./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1316868119 <...> Warning: Permanently added '10.128.0.250' (ED25519) to the list of known hosts. execve("./syz-executor1316868119", ["./syz-executor1316868119"], 0x7ffed3324880 /* 10 vars */) = 0 brk(NULL) = 0x55555719e000 brk(0x55555719ee00) = 0x55555719ee00 arch_prctl(ARCH_SET_FS, 0x55555719e480) = 0 set_tid_address(0x55555719e750) = 294 set_robust_list(0x55555719e760, 24) = 0 rseq(0x55555719eda0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1316868119", 4096) = 28 getrandom("\xab\xdc\xf8\x67\x3a\xe1\x95\x66", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555719ee00 brk(0x5555571bfe00) = 0x5555571bfe00 brk(0x5555571c0000) = 0x5555571c0000 mprotect(0x7f86ba163000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 getpid() = 294 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 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "294", 3) = 3 close(3) = 0 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f86ba0bbc70, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f86ba0c4b70}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f86ba0bbc70, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f86ba0c4b70}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 295 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 296 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 297 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 298 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 299 ./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x55555719e760, 24) = 0 [pid 299] mkdir("./syzkaller.EYMqdw", 0700) = 0 [pid 299] chmod("./syzkaller.EYMqdw", 0777) = 0 [pid 299] chdir("./syzkaller.EYMqdw") = 0 [pid 299] mkdir("./0", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x55555719e760, 24) = 0 [pid 298] mkdir("./syzkaller.dWQCfF", 0700) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 300 [pid 298] chmod("./syzkaller.dWQCfF", 0777) = 0 [pid 298] chdir("./syzkaller.dWQCfF") = 0 [pid 298] mkdir("./0", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 301 ./strace-static-x86_64: Process 300 attached [pid 300] set_robust_list(0x55555719e760, 24) = 0 [pid 300] chdir("./0") = 0 [pid 300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 295 attached ./strace-static-x86_64: Process 301 attached [pid 300] setpgid(0, 0./strace-static-x86_64: Process 296 attached [pid 301] set_robust_list(0x55555719e760, 24 [pid 296] set_robust_list(0x55555719e760, 24 [pid 295] set_robust_list(0x55555719e760, 24./strace-static-x86_64: Process 297 attached [pid 301] <... set_robust_list resumed>) = 0 [pid 296] <... set_robust_list resumed>) = 0 [pid 295] <... set_robust_list resumed>) = 0 [pid 297] set_robust_list(0x55555719e760, 24 [pid 296] mkdir("./syzkaller.F0dgGp", 0700 [pid 301] chdir("./0") = 0 [pid 297] <... set_robust_list resumed>) = 0 [pid 295] mkdir("./syzkaller.GJIkHb", 0700 [pid 296] <... mkdir resumed>) = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] getrandom( [pid 301] <... prctl resumed>) = 0 [pid 297] <... getrandom resumed>"\x55\x4b\x2f\xd6\x25\x24\xb1\xa7", 8, GRND_NONBLOCK) = 8 [pid 295] <... mkdir resumed>) = 0 [pid 301] setpgid(0, 0 [pid 296] chmod("./syzkaller.F0dgGp", 0777 [pid 297] mkdir("./syzkaller.9cZiBv", 0700 [pid 295] chmod("./syzkaller.GJIkHb", 0777 [pid 301] <... setpgid resumed>) = 0 [pid 300] <... setpgid resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... chmod resumed>) = 0 [pid 296] <... chmod resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 301] <... openat resumed>) = 3 [pid 297] chmod("./syzkaller.9cZiBv", 0777 [pid 296] chdir("./syzkaller.F0dgGp" [pid 295] chdir("./syzkaller.GJIkHb" [pid 300] write(3, "1000", 4 [pid 295] <... chdir resumed>) = 0 [pid 296] <... chdir resumed>) = 0 [pid 301] write(3, "1000", 4 [pid 297] <... chmod resumed>) = 0 [pid 295] mkdir("./0", 0777 [pid 296] mkdir("./0", 0777 [pid 301] <... write resumed>) = 4 [pid 297] chdir("./syzkaller.9cZiBv" [pid 300] <... write resumed>) = 4 [pid 300] close(3) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 301] close(3 [pid 297] <... chdir resumed>) = 0 [pid 300] symlink("/dev/binderfs", "./binderfs" [pid 296] <... mkdir resumed>) = 0 [pid 301] <... close resumed>) = 0 [pid 297] mkdir("./0", 0777 [pid 301] symlink("/dev/binderfs", "./binderfs" [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program executing program [pid 301] <... symlink resumed>) = 0 [pid 300] <... symlink resumed>) = 0 [pid 300] write(1, "executing program\n", 18 [pid 297] <... mkdir resumed>) = 0 [pid 301] write(1, "executing program\n", 18 [pid 300] <... write resumed>) = 18 [pid 300] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 301] <... write resumed>) = 18 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 301] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 300] <... bpf resumed>) = 3 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 303 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 304 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 302 [pid 301] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [ 22.666166][ T30] audit: type=1400 audit(1716137109.749:66): avc: denied { execmem } for pid=294 comm="syz-executor131" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.685474][ T30] audit: type=1400 audit(1716137109.759:67): avc: denied { integrity } for pid=294 comm="syz-executor131" lockdown_reason="debugfs access" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=lockdown permissive=1 [pid 300] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4executing program [pid 301] <... bpf resumed>) = 0 [pid 300] <... bpf resumed>) = 0 [pid 300] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 302 attached [pid 302] set_robust_list(0x55555719e760, 24) = 0 [pid 302] chdir("./0") = 0 [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 302] setpgid(0, 0) = 0 [pid 302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 302] write(3, "1000", 4) = 4 [pid 302] close(3) = 0 [pid 302] symlink("/dev/binderfs", "./binderfs") = 0 [pid 302] write(1, "executing program\n", 18) = 18 [pid 302] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 302] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 304 attached ./strace-static-x86_64: Process 303 attached [pid 304] set_robust_list(0x55555719e760, 24 [pid 303] set_robust_list(0x55555719e760, 24) = 0 [pid 304] <... set_robust_list resumed>) = 0 [pid 304] chdir("./0" [ 22.715846][ T30] audit: type=1400 audit(1716137109.799:68): avc: denied { map_create } for pid=301 comm="syz-executor131" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.735401][ T30] audit: type=1400 audit(1716137109.799:69): avc: denied { map_create } for pid=300 comm="syz-executor131" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [pid 303] chdir("./0" [pid 304] <... chdir resumed>) = 0 [pid 303] <... chdir resumed>) = 0 [pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] <... prctl resumed>) = 0 [pid 303] <... prctl resumed>) = 0 [pid 304] setpgid(0, 0 [ 22.755615][ T30] audit: type=1400 audit(1716137109.799:70): avc: denied { perfmon } for pid=301 comm="syz-executor131" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 22.776726][ T30] audit: type=1400 audit(1716137109.799:71): avc: denied { perfmon } for pid=300 comm="syz-executor131" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 303] setpgid(0, 0 [pid 304] <... setpgid resumed>) = 0 [pid 303] <... setpgid resumed>) = 0 [pid 304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 304] <... openat resumed>) = 3 [pid 304] write(3, "1000", 4 [pid 303] <... openat resumed>) = 3 [pid 304] <... write resumed>) = 4 [pid 303] write(3, "1000", 4 [pid 304] close(3 [pid 303] <... write resumed>) = 4 [pid 304] <... close resumed>) = 0 [ 22.797778][ T30] audit: type=1400 audit(1716137109.799:72): avc: denied { map_read map_write } for pid=301 comm="syz-executor131" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.818043][ T30] audit: type=1400 audit(1716137109.799:73): avc: denied { map_read map_write } for pid=300 comm="syz-executor131" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 22.838365][ T30] audit: type=1400 audit(1716137109.799:74): avc: denied { bpf } for pid=301 comm="syz-executor131" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 303] close(3 [pid 304] symlink("/dev/binderfs", "./binderfs" [pid 303] <... close resumed>) = 0 [pid 304] <... symlink resumed>) = 0 [pid 303] symlink("/dev/binderfs", "./binderfs" [pid 304] write(1, "executing program\n", 18executing program [pid 303] <... symlink resumed>) = 0 [pid 304] <... write resumed>) = 18 executing program [pid 304] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 303] write(1, "executing program\n", 18 [pid 304] <... bpf resumed>) = 3 [pid 303] <... write resumed>) = 18 [pid 304] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 303] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 304] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 303] <... bpf resumed>) = 3 [pid 303] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [ 22.859010][ T30] audit: type=1400 audit(1716137109.799:75): avc: denied { prog_load } for pid=300 comm="syz-executor131" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [pid 303] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 302] <... bpf resumed>) = 4 [pid 300] <... bpf resumed>) = 4 [pid 300] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 301] <... bpf resumed>) = 4 [pid 300] <... bpf resumed>) = 5 [pid 300] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 304] <... bpf resumed>) = 4 [pid 300] <... openat resumed>) = 6 [pid 300] ioctl(6, PPPIOCNEWUNIT [pid 303] <... bpf resumed>) = 4 [pid 304] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 303] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 302] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 301] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 304] <... bpf resumed>) = 5 [pid 303] <... bpf resumed>) = 5 [pid 301] <... bpf resumed>) = 5 [pid 302] <... bpf resumed>) = 5 [pid 301] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 304] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 303] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 302] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 304] <... openat resumed>) = 6 [pid 303] <... openat resumed>) = 6 [pid 302] <... openat resumed>) = 6 [pid 301] <... openat resumed>) = 6 [pid 304] ioctl(6, PPPIOCNEWUNIT [pid 303] ioctl(6, PPPIOCNEWUNIT [pid 302] ioctl(6, PPPIOCNEWUNIT [pid 301] ioctl(6, PPPIOCNEWUNIT [pid 300] <... ioctl resumed>, 0x20001400) = 0 [pid 300] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 300] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 300] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 300] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 300] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 303] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 300] exit_group(0 [pid 301] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 304] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 303] bpf(BPF_PROG_LOAD, NULL, 0 [pid 302] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 301] bpf(BPF_PROG_LOAD, NULL, 0 [pid 300] <... exit_group resumed>) = ? [pid 304] bpf(BPF_PROG_LOAD, NULL, 0 [pid 303] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 302] bpf(BPF_PROG_LOAD, NULL, 0 [pid 301] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 304] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 303] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 302] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 301] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 304] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 303] <... bpf resumed>) = 7 [pid 302] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 301] <... bpf resumed>) = 7 [pid 304] <... bpf resumed>) = 7 [pid 303] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 304] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 303] <... bpf resumed>) = 0 [pid 302] <... bpf resumed>) = 7 [pid 301] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 304] <... bpf resumed>) = 0 [pid 303] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 302] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 301] <... bpf resumed>) = 0 [pid 304] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 302] <... bpf resumed>) = 0 [pid 301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 304] <... bpf resumed>) = 8 [pid 303] <... bpf resumed>) = 8 [pid 302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 301] <... bpf resumed>) = 8 [pid 304] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 303] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 302] <... bpf resumed>) = 8 [pid 301] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 304] <... bpf resumed>) = 9 [pid 303] <... bpf resumed>) = 9 [pid 302] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 301] <... bpf resumed>) = 9 [pid 304] exit_group(0 [pid 303] exit_group(0 [pid 302] <... bpf resumed>) = 9 [pid 301] exit_group(0 [pid 304] <... exit_group resumed>) = ? [pid 303] <... exit_group resumed>) = ? [pid 302] exit_group(0 [pid 301] <... exit_group resumed>) = ? [pid 304] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 303] +++ exited with 0 +++ [pid 302] <... exit_group resumed>) = ? [pid 301] +++ exited with 0 +++ [pid 297] <... restart_syscall resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 302] +++ exited with 0 +++ [pid 298] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... openat resumed>) = 3 [pid 296] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 298] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 296] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] newfstatat(3, "", [pid 295] <... restart_syscall resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] getdents64(3, [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./0/binderfs", [pid 297] newfstatat(AT_FDCWD, "./0/binderfs", [pid 296] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./0/binderfs" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... openat resumed>) = 3 [pid 298] <... unlink resumed>) = 0 [pid 297] unlink("./0/binderfs" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(3, "", [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./0" [pid 297] <... unlink resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./0/binderfs", [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] mkdir("./1", 0777 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 297] getdents64(3, [pid 295] getdents64(3, [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] unlink("./0/binderfs" [pid 297] close(3 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 307 [pid 296] <... unlink resumed>) = 0 [pid 295] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... close resumed>) = 0 [pid 296] getdents64(3, [pid 297] rmdir("./0" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 307 attached [pid 307] set_robust_list(0x55555719e760, 24) = 0 [pid 307] chdir("./1" [pid 297] <... rmdir resumed>) = 0 [pid 296] close(3 [pid 295] newfstatat(AT_FDCWD, "./0/binderfs", [pid 297] mkdir("./1", 0777 [pid 296] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... chdir resumed>) = 0 [pid 307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] setpgid(0, 0) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 295] unlink("./0/binderfs"executing program [pid 296] rmdir("./0" [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... unlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... rmdir resumed>) = 0 [pid 295] getdents64(3, [pid 307] <... openat resumed>) = 3 [pid 307] write(3, "1000", 4) = 4 [pid 307] close(3) = 0 [pid 307] symlink("/dev/binderfs", "./binderfs" [pid 296] mkdir("./1", 0777 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 308 [pid 307] <... symlink resumed>) = 0 [pid 307] write(1, "executing program\n", 18) = 18 [pid 307] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... mkdir resumed>) = 0 [pid 295] close(3 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... close resumed>) = 0 [pid 307] <... bpf resumed>) = 3 [pid 307] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 307] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] rmdir("./0" [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 309 [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./1", 0777 [pid 307] <... bpf resumed>) = 4 [pid 295] <... mkdir resumed>) = 0 [pid 300] +++ exited with 0 +++ [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=21} --- [pid 307] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 308 attached [pid 308] set_robust_list(0x55555719e760, 24) = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 310 [pid 299] <... restart_syscall resumed>) = 0 [pid 299] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] chdir("./1" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... chdir resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 308] <... prctl resumed>) = 0 [pid 299] getdents64(3, [pid 308] setpgid(0, 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 308] <... setpgid resumed>) = 0 [pid 299] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./0/binderfs" [pid 308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 308] write(3, "1000", 4 [pid 299] <... close resumed>) = 0 executing program [pid 308] <... write resumed>) = 4 [pid 308] close(3) = 0 [pid 299] rmdir("./0" [pid 308] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] write(1, "executing program\n", 18 [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./1", 0777 [pid 308] <... write resumed>) = 18 [pid 308] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 308] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 311 ./strace-static-x86_64: Process 309 attached ./strace-static-x86_64: Process 311 attached [pid 308] <... bpf resumed>) = 4 [pid 308] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 310 attached [pid 311] set_robust_list(0x55555719e760, 24 [pid 310] set_robust_list(0x55555719e760, 24) = 0 [pid 310] chdir("./1") = 0 [pid 310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] setpgid(0, 0) = 0 [pid 310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] write(3, "1000", 4) = 4 [pid 310] close(3) = 0 [pid 310] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] write(1, "executing program\n", 18) = 18 executing program [pid 310] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 311] <... set_robust_list resumed>) = 0 [pid 309] set_robust_list(0x55555719e760, 24 [pid 310] <... bpf resumed>) = 3 [pid 310] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 310] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 309] <... set_robust_list resumed>) = 0 [pid 309] chdir("./1" [pid 311] chdir("./1" [pid 310] <... bpf resumed>) = 4 [pid 310] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 311] <... chdir resumed>) = 0 [pid 309] <... chdir resumed>) = 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 [pid 309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 311] <... openat resumed>) = 3 [pid 311] write(3, "1000", 4) = 4 [pid 311] close(3) = 0 [pid 311] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 311] write(1, "executing program\n", 18) = 18 [pid 311] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 309] <... prctl resumed>) = 0 [pid 311] <... bpf resumed>) = 3 [pid 311] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 311] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 309] setpgid(0, 0 [pid 311] <... bpf resumed>) = 4 [pid 309] <... setpgid resumed>) = 0 [pid 311] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] write(3, "1000", 4) = 4 [pid 309] close(3) = 0 [pid 309] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 309] write(1, "executing program\n", 18) = 18 [pid 309] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 309] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 309] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 309] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 307] <... bpf resumed>) = 5 [pid 311] <... bpf resumed>) = 5 [pid 310] <... bpf resumed>) = 5 [pid 308] <... bpf resumed>) = 5 [pid 307] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 309] <... bpf resumed>) = 5 [pid 311] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 310] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 308] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 307] <... openat resumed>) = 6 [pid 309] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 311] <... openat resumed>) = 6 [pid 310] <... openat resumed>) = 6 [pid 307] ioctl(6, PPPIOCNEWUNIT [pid 308] <... openat resumed>) = 6 [pid 311] ioctl(6, PPPIOCNEWUNIT [pid 310] ioctl(6, PPPIOCNEWUNIT [pid 309] <... openat resumed>) = 6 [pid 307] <... ioctl resumed>, 0x20001400) = 0 [pid 311] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 310] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 307] bpf(BPF_PROG_LOAD, NULL, 0 [pid 311] bpf(BPF_PROG_LOAD, NULL, 0 [pid 310] bpf(BPF_PROG_LOAD, NULL, 0 [pid 307] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 311] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 310] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 307] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 311] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 310] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 309] ioctl(6, PPPIOCNEWUNIT [pid 308] ioctl(6, PPPIOCNEWUNIT [pid 307] <... bpf resumed>) = 7 [pid 311] <... bpf resumed>) = 7 [pid 310] <... bpf resumed>) = 7 [pid 307] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 311] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 310] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 308] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 307] <... bpf resumed>) = 0 [pid 311] <... bpf resumed>) = 0 [pid 310] <... bpf resumed>) = 0 [pid 309] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 308] bpf(BPF_PROG_LOAD, NULL, 0 [pid 307] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 311] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 310] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 309] bpf(BPF_PROG_LOAD, NULL, 0 [pid 308] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 307] <... bpf resumed>) = 8 [pid 311] <... bpf resumed>) = 8 [pid 310] <... bpf resumed>) = 8 [pid 307] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 311] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 310] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 307] <... bpf resumed>) = 9 [pid 311] <... bpf resumed>) = 9 [pid 310] <... bpf resumed>) = 9 [pid 309] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 308] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 307] exit_group(0 [pid 311] exit_group(0 [pid 310] exit_group(0 [pid 309] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 308] <... bpf resumed>) = 7 [pid 307] <... exit_group resumed>) = ? [pid 311] <... exit_group resumed>) = ? [pid 310] <... exit_group resumed>) = ? [pid 309] <... bpf resumed>) = 7 [pid 308] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 311] +++ exited with 0 +++ [pid 310] +++ exited with 0 +++ [pid 309] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 308] <... bpf resumed>) = 0 [pid 308] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... bpf resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... bpf resumed>) = 8 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 309] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 309] <... bpf resumed>) = 8 [pid 295] <... restart_syscall resumed>) = 0 [pid 309] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 308] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... restart_syscall resumed>) = 0 [pid 299] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... bpf resumed>) = 9 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... bpf resumed>) = 9 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] exit_group(0 [pid 299] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] exit_group(0 [pid 308] <... exit_group resumed>) = ? [pid 295] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] <... openat resumed>) = 3 [pid 308] +++ exited with 0 +++ [pid 299] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... exit_group resumed>) = ? [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 299] getdents64(3, [pid 309] +++ exited with 0 +++ [pid 297] <... restart_syscall resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] newfstatat(AT_FDCWD, "./1/binderfs", [pid 297] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... openat resumed>) = 3 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./1/binderfs" [pid 297] newfstatat(3, "", [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 295] newfstatat(AT_FDCWD, "./1/binderfs", [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... unlink resumed>) = 0 [pid 297] getdents64(3, [pid 296] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] getdents64(3, [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] unlink("./1/binderfs" [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./1/binderfs" [pid 299] close(3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./1/binderfs", [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 299] rmdir("./1" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./1" [pid 299] <... rmdir resumed>) = 0 [pid 297] unlink("./1/binderfs" [pid 296] <... rmdir resumed>) = 0 [pid 295] close(3 [pid 299] mkdir("./2", 0777 [pid 296] mkdir("./2", 0777 [pid 297] <... unlink resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... mkdir resumed>) = 0 [pid 297] getdents64(3, [pid 295] rmdir("./1" [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 313 [pid 297] close(3 [pid 295] <... rmdir resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 314 [pid 297] rmdir("./1" [pid 295] mkdir("./2", 0777./strace-static-x86_64: Process 314 attached [pid 314] set_robust_list(0x55555719e760, 24) = 0 [pid 314] chdir("./2" [pid 297] <... rmdir resumed>) = 0 [pid 314] <... chdir resumed>) = 0 [pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 314] setpgid(0, 0) = 0 [pid 314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] mkdir("./2", 0777 [pid 295] <... mkdir resumed>) = 0 [pid 314] <... openat resumed>) = 3 [pid 314] write(3, "1000", 4) = 4 [pid 314] close(3) = 0 [pid 297] <... mkdir resumed>) = 0 executing program [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 314] symlink("/dev/binderfs", "./binderfs") = 0 [pid 314] write(1, "executing program\n", 18) = 18 [pid 314] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 315 [pid 314] <... bpf resumed>) = 3 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 316 [pid 314] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 314] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 314] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 314] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 314] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 316 attached [pid 316] set_robust_list(0x55555719e760, 24) = 0 [pid 316] chdir("./2") = 0 [pid 316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 314] <... ioctl resumed>, 0x20001400) = 0 ./strace-static-x86_64: Process 315 attached [pid 315] set_robust_list(0x55555719e760, 24) = 0 [pid 315] chdir("./2" [pid 314] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 314] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 315] <... chdir resumed>) = 0 [pid 314] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 314] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 316] setpgid(0, 0 [pid 315] <... prctl resumed>) = 0 [pid 314] <... bpf resumed>) = 8 [pid 315] setpgid(0, 0) = 0 [pid 315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 316] <... setpgid resumed>) = 0 [pid 315] <... openat resumed>) = 3 [pid 315] write(3, "1000", 4) = 4 [pid 315] close(3 [pid 314] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 315] <... close resumed>) = 0 [pid 314] <... bpf resumed>) = 9 [pid 315] symlink("/dev/binderfs", "./binderfs" [pid 314] exit_group(0 [pid 315] <... symlink resumed>) = 0 [pid 314] <... exit_group resumed>) = ? [pid 316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 315] write(1, "executing program\n", 18) = 18 [pid 315] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 313 attached [pid 316] <... openat resumed>) = 3 [pid 315] <... bpf resumed>) = 3 [pid 316] write(3, "1000", 4 [pid 315] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 313] set_robust_list(0x55555719e760, 24 [pid 316] <... write resumed>) = 4 [pid 315] <... bpf resumed>) = 0 [pid 313] <... set_robust_list resumed>) = 0 [pid 316] close(3 [pid 315] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 313] chdir("./2" [pid 316] <... close resumed>) = 0 [pid 315] <... bpf resumed>) = 4 [pid 313] <... chdir resumed>) = 0 [pid 316] symlink("/dev/binderfs", "./binderfs" [pid 315] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 316] <... symlink resumed>) = 0 [pid 313] <... prctl resumed>) = 0 [pid 316] write(1, "executing program\n", 18 [pid 313] setpgid(0, 0executing program [pid 316] <... write resumed>) = 18 [pid 313] <... setpgid resumed>) = 0 [pid 316] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 316] <... bpf resumed>) = 3 [pid 313] <... openat resumed>) = 3 [pid 316] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 313] write(3, "1000", 4 [pid 316] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 313] <... write resumed>) = 4 [pid 316] <... bpf resumed>) = 4 [pid 313] close(3 [pid 316] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 313] <... close resumed>) = 0 [pid 313] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 313] write(1, "executing program\n", 18) = 18 [pid 313] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 313] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 313] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 315] <... bpf resumed>) = 5 [pid 316] <... bpf resumed>) = 5 [pid 307] +++ exited with 0 +++ [pid 316] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 315] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 313] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 316] <... openat resumed>) = 6 [pid 315] <... openat resumed>) = 6 [pid 313] <... bpf resumed>) = 5 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 316] ioctl(6, PPPIOCNEWUNIT [pid 315] ioctl(6, PPPIOCNEWUNIT [pid 313] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] <... restart_syscall resumed>) = 0 [pid 316] <... ioctl resumed>, 0x20001400) = 0 [pid 315] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 313] <... openat resumed>) = 6 [pid 316] bpf(BPF_PROG_LOAD, NULL, 0 [pid 315] bpf(BPF_PROG_LOAD, NULL, 0 [pid 313] ioctl(6, PPPIOCNEWUNIT [pid 316] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 315] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 313] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 298] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 316] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 315] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 313] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 316] <... bpf resumed>) = 7 [pid 315] <... bpf resumed>) = 7 [pid 313] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 316] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 315] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 313] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... openat resumed>) = 3 [pid 316] <... bpf resumed>) = 0 [pid 315] <... bpf resumed>) = 0 [pid 313] <... bpf resumed>) = 7 [pid 298] newfstatat(3, "", [pid 316] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 315] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 313] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 316] <... bpf resumed>) = 8 [pid 315] <... bpf resumed>) = 8 [pid 314] +++ exited with 0 +++ [pid 313] <... bpf resumed>) = 0 [pid 298] getdents64(3, [pid 316] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 315] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 313] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 316] <... bpf resumed>) = 9 [pid 315] <... bpf resumed>) = 9 [pid 298] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 315] exit_group(0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 315] <... exit_group resumed>) = ? [pid 298] newfstatat(AT_FDCWD, "./1/binderfs", [pid 316] exit_group(0 [pid 315] +++ exited with 0 +++ [pid 313] <... bpf resumed>) = 8 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 316] <... exit_group resumed>) = ? [pid 313] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... restart_syscall resumed>) = 0 [pid 298] unlink("./1/binderfs") = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] getdents64(3, [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./1") = 0 [pid 313] <... bpf resumed>) = 9 [pid 298] mkdir("./2", 0777) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 313] exit_group(0 [pid 299] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 320 attached [pid 313] <... exit_group resumed>) = ? [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 320 [pid 297] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... openat resumed>) = 3 [pid 297] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] newfstatat(3, "", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] unlink("./2/binderfs" [pid 299] getdents64(3, [pid 297] <... unlink resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] close(3 [pid 320] set_robust_list(0x55555719e760, 24 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... close resumed>) = 0 [pid 297] rmdir("./2" [pid 320] <... set_robust_list resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./2/binderfs", [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./3", 0777) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 320] chdir("./2" [pid 299] unlink("./2/binderfs" [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 322 ./strace-static-x86_64: Process 322 attached [pid 322] set_robust_list(0x55555719e760, 24) = 0 [pid 322] chdir("./3") = 0 [pid 322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 322] setpgid(0, 0) = 0 [pid 322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 322] write(3, "1000", 4) = 4 [pid 322] close(3 [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 320] <... chdir resumed>) = 0 [pid 322] <... close resumed>) = 0 [pid 322] symlink("/dev/binderfs", "./binderfs") = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 320] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 322] write(1, "executing program\n", 18) = 18 [pid 322] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 322] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 322] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 320] <... prctl resumed>) = 0 [pid 299] close(3 [pid 322] <... bpf resumed>) = 4 [pid 320] setpgid(0, 0 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./2" [pid 320] <... setpgid resumed>) = 0 [pid 322] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] <... rmdir resumed>) = 0 [pid 320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] mkdir("./3", 0777) = 0 [pid 320] <... openat resumed>) = 3 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 320] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 323 attached [pid 323] set_robust_list(0x55555719e760, 24) = 0 [pid 320] close(3 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 323 [pid 323] chdir("./3") = 0 [pid 323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 323] setpgid(0, 0) = 0 [pid 320] <... close resumed>) = 0 [pid 320] symlink("/dev/binderfs", "./binderfs" [pid 323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 320] <... symlink resumed>) = 0 [pid 320] write(1, "executing program\n", 18executing program [pid 323] <... openat resumed>) = 3 [pid 320] <... write resumed>) = 18 [pid 323] write(3, "1000", 4) = 4 [pid 323] close(3 [pid 320] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 323] <... close resumed>) = 0 [pid 320] <... bpf resumed>) = 3 [pid 323] symlink("/dev/binderfs", "./binderfs" [pid 320] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 320] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program [pid 323] <... symlink resumed>) = 0 [pid 323] write(1, "executing program\n", 18) = 18 [pid 323] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 320] <... bpf resumed>) = 4 [pid 323] <... bpf resumed>) = 3 [pid 320] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 323] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 322] <... bpf resumed>) = 5 [pid 313] +++ exited with 0 +++ [pid 323] <... bpf resumed>) = 0 [pid 322] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 323] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 322] <... openat resumed>) = 6 [pid 320] <... bpf resumed>) = 5 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 323] <... bpf resumed>) = 4 [pid 322] ioctl(6, PPPIOCNEWUNIT [pid 320] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 323] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 320] <... openat resumed>) = 6 [pid 320] ioctl(6, PPPIOCNEWUNIT [pid 296] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 322] <... ioctl resumed>, 0x20001400) = 0 [pid 320] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 320] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 320] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] <... openat resumed>) = 3 [pid 320] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] newfstatat(3, "", [pid 320] <... bpf resumed>) = 7 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 323] <... bpf resumed>) = 5 [pid 320] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] getdents64(3, [pid 323] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 320] <... bpf resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 323] <... openat resumed>) = 6 [pid 322] bpf(BPF_PROG_LOAD, NULL, 0 [pid 323] ioctl(6, PPPIOCNEWUNIT [pid 322] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 323] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 322] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 320] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 323] bpf(BPF_PROG_LOAD, NULL, 0 [pid 322] <... bpf resumed>) = 7 [pid 323] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 322] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 320] <... bpf resumed>) = 8 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 323] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 322] <... bpf resumed>) = 0 [pid 320] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] newfstatat(AT_FDCWD, "./2/binderfs", [pid 323] <... bpf resumed>) = 7 [pid 322] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 320] <... bpf resumed>) = 9 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./2/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./2") = 0 [pid 296] mkdir("./3", 0777 [pid 323] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 322] <... bpf resumed>) = 8 [pid 320] exit_group(0 [pid 296] <... mkdir resumed>) = 0 [pid 323] <... bpf resumed>) = 0 [pid 322] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 320] <... exit_group resumed>) = ? [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 323] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 322] <... bpf resumed>) = 9 [pid 320] +++ exited with 0 +++ [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 326 [pid 323] <... bpf resumed>) = 8 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 322] exit_group(0 [pid 323] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 322] <... exit_group resumed>) = ? [pid 323] <... bpf resumed>) = 9 [pid 323] exit_group(0 [pid 298] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 323] <... exit_group resumed>) = ? [pid 298] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 326 attached [pid 326] set_robust_list(0x55555719e760, 24) = 0 [pid 326] chdir("./3") = 0 [pid 326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 326] setpgid(0, 0) = 0 [pid 326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 298] <... openat resumed>) = 3 [pid 326] write(3, "1000", 4) = 4 [pid 326] close(3) = 0 [pid 326] symlink("/dev/binderfs", "./binderfs") = 0 [pid 326] write(1, "executing program\n", 18 [pid 323] +++ exited with 0 +++ [pid 326] <... write resumed>) = 18 [pid 298] newfstatat(3, "", [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 326] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 326] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 326] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 326] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 326] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 326] ioctl(6, PPPIOCNEWUNIT [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] getdents64(3, [pid 299] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... openat resumed>) = 3 executing program [pid 298] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] newfstatat(3, "", [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] newfstatat(AT_FDCWD, "./2/binderfs", [pid 299] getdents64(3, [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] unlink("./2/binderfs" [pid 299] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... unlink resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] getdents64(3, [pid 299] newfstatat(AT_FDCWD, "./3/binderfs", [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] close(3 [pid 299] unlink("./3/binderfs" [pid 298] <... close resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 298] rmdir("./2" [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 299] close(3 [pid 298] mkdir("./3", 0777 [pid 299] <... close resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 299] rmdir("./3" [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... rmdir resumed>) = 0 [pid 326] <... ioctl resumed>, 0x20001400) = 0 [pid 326] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 326] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 326] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 326] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] mkdir("./4", 0777 [pid 326] <... bpf resumed>) = 8 [pid 316] +++ exited with 0 +++ [pid 299] <... mkdir resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 326] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 326] exit_group(0) = ? [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 328 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 329 [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, ./strace-static-x86_64: Process 329 attached ./strace-static-x86_64: Process 328 attached 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 328] set_robust_list(0x55555719e760, 24 [pid 295] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 328] <... set_robust_list resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 328] chdir("./3" [pid 295] unlink("./2/binderfs" [pid 328] <... chdir resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 328] <... prctl resumed>) = 0 [pid 295] close(3 [pid 328] setpgid(0, 0 [pid 295] <... close resumed>) = 0 [pid 328] <... setpgid resumed>) = 0 [pid 295] rmdir("./2") = 0 [pid 328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] mkdir("./3", 0777 [pid 329] set_robust_list(0x55555719e760, 24 [pid 328] <... openat resumed>) = 3 [pid 295] <... mkdir resumed>) = 0 [pid 328] write(3, "1000", 4 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 328] <... write resumed>) = 4 [pid 328] close(3 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 331 [pid 329] <... set_robust_list resumed>) = 0 [pid 328] <... close resumed>) = 0 [pid 328] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 328] write(1, "executing program\n", 18) = 18 [pid 328] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 328] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 328] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 329] chdir("./4") = 0 [pid 328] <... bpf resumed>) = 4 [pid 328] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 328] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 328] ioctl(6, PPPIOCNEWUNIT [pid 329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 329] setpgid(0, 0) = 0 [pid 328] <... ioctl resumed>, 0x20001400) = 0 [pid 329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 329] write(3, "1000", 4) = 4 [pid 329] close(3) = 0 [pid 329] symlink("/dev/binderfs", "./binderfs") = 0 [pid 329] write(1, "executing program\n", 18 [pid 328] bpf(BPF_PROG_LOAD, NULL, 0executing program ) = -1 EFAULT (Bad address) [pid 329] <... write resumed>) = 18 [pid 328] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 329] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 328] <... bpf resumed>) = 7 [pid 328] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 328] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 329] <... bpf resumed>) = 3 [pid 329] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 329] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 328] <... bpf resumed>) = 8 [pid 328] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 328] exit_group(0) = ? [pid 329] <... bpf resumed>) = 4 [pid 329] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 329] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 329] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 331 attached [pid 331] set_robust_list(0x55555719e760, 24) = 0 [pid 331] chdir("./3") = 0 [pid 331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 331] setpgid(0, 0) = 0 [pid 331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 329] <... ioctl resumed>, 0x20001400) = 0 [pid 329] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 329] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 329] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 329] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 329] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 329] exit_group(0) = ? [pid 331] write(3, "1000", 4) = 4 [pid 331] close(3) = 0 [pid 331] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 331] write(1, "executing program\n", 18) = 18 [pid 331] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 331] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 331] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 331] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 331] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 322] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 331] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 331] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 331] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 331] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 331] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 331] <... bpf resumed>) = 8 [pid 331] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 331] exit_group(0) = ? [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./3/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./3") = 0 [pid 297] mkdir("./4", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 336 ./strace-static-x86_64: Process 336 attached [pid 336] set_robust_list(0x55555719e760, 24) = 0 [pid 336] chdir("./4") = 0 [pid 336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 336] setpgid(0, 0) = 0 [pid 336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 336] write(3, "1000", 4) = 4 [pid 336] close(3) = 0 [pid 336] symlink("/dev/binderfs", "./binderfs") = 0 [pid 336] write(1, "executing program\n", 18executing program ) = 18 [pid 336] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 336] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 336] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 336] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 336] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 336] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 336] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 336] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 336] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 336] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 336] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 336] exit_group(0) = ? [pid 326] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 296] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 328] +++ exited with 0 +++ [pid 296] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... openat resumed>) = 3 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 298] <... restart_syscall resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./3/binderfs", [pid 298] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... openat resumed>) = 3 [pid 296] unlink("./3/binderfs" [pid 298] newfstatat(3, "", [pid 296] <... unlink resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 298] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] close(3 [pid 298] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... close resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] rmdir("./3" [pid 298] newfstatat(AT_FDCWD, "./3/binderfs", [pid 296] <... rmdir resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] mkdir("./4", 0777 [pid 298] unlink("./3/binderfs" [pid 296] <... mkdir resumed>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 340 [pid 298] close(3) = 0 [pid 298] rmdir("./3"./strace-static-x86_64: Process 340 attached [pid 340] set_robust_list(0x55555719e760, 24 [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./4", 0777 [pid 340] <... set_robust_list resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 340] chdir("./4") = 0 [pid 340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 341 [pid 340] <... prctl resumed>) = 0 [pid 340] setpgid(0, 0) = 0 [pid 340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 340] write(3, "1000", 4) = 4 [pid 340] close(3) = 0 ./strace-static-x86_64: Process 341 attached [pid 340] symlink("/dev/binderfs", "./binderfs" [pid 341] set_robust_list(0x55555719e760, 24 [pid 340] <... symlink resumed>) = 0 [pid 341] <... set_robust_list resumed>) = 0 [pid 341] chdir("./4") = 0 [pid 341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 341] setpgid(0, 0 [pid 340] write(1, "executing program\n", 18 [pid 341] <... setpgid resumed>) = 0 executing program [pid 340] <... write resumed>) = 18 [pid 341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 340] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 341] <... openat resumed>) = 3 [pid 340] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 341] write(3, "1000", 4) = 4 [pid 341] close(3) = 0 [pid 341] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 341] write(1, "executing program\n", 18) = 18 [pid 341] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 341] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 341] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 340] <... bpf resumed>) = 4 [pid 340] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 340] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 340] ioctl(6, PPPIOCNEWUNIT [pid 341] <... bpf resumed>) = 4 [pid 341] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 341] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 341] ioctl(6, PPPIOCNEWUNIT [pid 340] <... ioctl resumed>, 0x20001400) = 0 [pid 341] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 341] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 341] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 341] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 341] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 341] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 341] exit_group(0) = ? [pid 340] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 340] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 340] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 341] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 298] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 331] +++ exited with 0 +++ [pid 329] +++ exited with 0 +++ [pid 298] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 340] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... restart_syscall resumed>) = 0 [pid 298] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./4/binderfs") = 0 [pid 299] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... close resumed>) = 0 [pid 298] rmdir("./4" [pid 299] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./5", 0777 [pid 299] <... openat resumed>) = 3 [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 344 ./strace-static-x86_64: Process 344 attached [pid 344] set_robust_list(0x55555719e760, 24) = 0 [pid 344] chdir("./5" [pid 299] newfstatat(3, "", [pid 295] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 344] <... chdir resumed>) = 0 [pid 344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 344] setpgid(0, 0) = 0 [pid 344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 344] write(3, "1000", 4) = 4 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 344] close(3) = 0 [pid 299] getdents64(3, [pid 295] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 344] symlink("/dev/binderfs", "./binderfs" [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... openat resumed>) = 3 [pid 344] <... symlink resumed>) = 0 [pid 299] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 344] write(1, "executing program\n", 18) = 18 [pid 299] newfstatat(AT_FDCWD, "./4/binderfs", [pid 295] getdents64(3, [pid 344] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 344] <... bpf resumed>) = 3 [pid 344] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] unlink("./4/binderfs" [pid 295] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 344] <... bpf resumed>) = 0 [pid 344] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] getdents64(3, [pid 295] newfstatat(AT_FDCWD, "./3/binderfs", [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] close(3 [pid 295] unlink("./3/binderfs" [pid 299] <... close resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 299] rmdir("./4" [pid 295] getdents64(3, [pid 299] <... rmdir resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 344] <... bpf resumed>) = 4 [pid 344] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] mkdir("./5", 0777 [pid 295] close(3 [pid 299] <... mkdir resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] rmdir("./3") = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 346 ./strace-static-x86_64: Process 346 attached [pid 295] mkdir("./4", 0777 [pid 346] set_robust_list(0x55555719e760, 24 [pid 295] <... mkdir resumed>) = 0 [pid 346] <... set_robust_list resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 346] chdir("./5") = 0 [pid 346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 346] setpgid(0, 0) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 348 [pid 346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 346] write(3, "1000", 4) = 4 [pid 346] close(3) = 0 [pid 346] symlink("/dev/binderfs", "./binderfs") = 0 [pid 346] write(1, "executing program\n", 18executing program ) = 18 [pid 346] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 346] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 346] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 348 attached [pid 348] set_robust_list(0x55555719e760, 24 [pid 344] <... bpf resumed>) = 5 [pid 340] <... bpf resumed>) = 9 [pid 336] +++ exited with 0 +++ [pid 348] <... set_robust_list resumed>) = 0 [pid 344] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 340] exit_group(0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 348] chdir("./4" [pid 344] <... openat resumed>) = 6 [pid 340] <... exit_group resumed>) = ? [pid 348] <... chdir resumed>) = 0 [pid 344] ioctl(6, PPPIOCNEWUNIT [pid 348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 344] <... ioctl resumed>, 0x20001400) = 0 [pid 344] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 344] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 344] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 344] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 348] <... prctl resumed>) = 0 [pid 344] <... bpf resumed>) = 8 [pid 348] setpgid(0, 0 [pid 344] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 348] <... setpgid resumed>) = 0 [pid 344] <... bpf resumed>) = 9 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 344] exit_group(0 [pid 297] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 344] <... exit_group resumed>) = ? [pid 348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... openat resumed>) = 3 [pid 346] <... bpf resumed>) = 4 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 346] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 348] <... openat resumed>) = 3 [pid 297] getdents64(3, [pid 348] write(3, "1000", 4 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 348] <... write resumed>) = 4 [pid 297] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 348] close(3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 348] <... close resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./4/binderfs", [pid 346] <... bpf resumed>) = 5 [pid 346] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 348] symlink("/dev/binderfs", "./binderfs" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 348] <... symlink resumed>) = 0 [pid 297] unlink("./4/binderfs"executing program [pid 348] write(1, "executing program\n", 18 [pid 346] <... openat resumed>) = 6 [pid 348] <... write resumed>) = 18 [pid 346] ioctl(6, PPPIOCNEWUNIT [pid 297] <... unlink resumed>) = 0 [pid 348] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] getdents64(3, [pid 348] <... bpf resumed>) = 3 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 348] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 297] close(3) = 0 [pid 348] <... bpf resumed>) = 0 [pid 348] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] rmdir("./4" [pid 346] <... ioctl resumed>, 0x20001400) = 0 [pid 340] +++ exited with 0 +++ [pid 348] <... bpf resumed>) = 4 [pid 346] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 348] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 346] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] <... rmdir resumed>) = 0 [pid 348] <... bpf resumed>) = 5 [pid 346] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] mkdir("./5", 0777 [pid 348] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 346] <... bpf resumed>) = 7 [pid 296] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 348] <... openat resumed>) = 6 [pid 346] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] <... mkdir resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 348] ioctl(6, PPPIOCNEWUNIT [pid 346] <... bpf resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 348] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 346] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... openat resumed>) = 3 [pid 348] bpf(BPF_PROG_LOAD, NULL, 0 [pid 346] <... bpf resumed>) = 8 [pid 296] newfstatat(3, "", [pid 348] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 346] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 352 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 348] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 346] <... bpf resumed>) = 9 [pid 296] getdents64(3, ./strace-static-x86_64: Process 352 attached [pid 348] <... bpf resumed>) = 7 [pid 346] exit_group(0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 352] set_robust_list(0x55555719e760, 24 [pid 348] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 346] <... exit_group resumed>) = ? [pid 296] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 352] <... set_robust_list resumed>) = 0 [pid 348] <... bpf resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 352] chdir("./5" [pid 348] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] newfstatat(AT_FDCWD, "./4/binderfs", [pid 352] <... chdir resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./4/binderfs") = 0 [pid 296] getdents64(3, [pid 348] <... bpf resumed>) = 8 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 348] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] rmdir("./4" [pid 352] <... prctl resumed>) = 0 [pid 348] <... bpf resumed>) = 9 [pid 296] <... rmdir resumed>) = 0 [pid 352] setpgid(0, 0 [pid 348] exit_group(0 [pid 296] mkdir("./5", 0777 [pid 352] <... setpgid resumed>) = 0 [pid 348] <... exit_group resumed>) = ? [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 355 [pid 352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 348] +++ exited with 0 +++ [pid 352] <... openat resumed>) = 3 [pid 352] write(3, "1000", 4 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 352] <... write resumed>) = 4 [pid 295] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 352] close(3) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 352] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 355 attached [pid 295] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 352] <... symlink resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 355] set_robust_list(0x55555719e760, 24 [pid 352] write(1, "executing program\n", 18 [pid 295] newfstatat(3, "", [pid 355] <... set_robust_list resumed>) = 0 [pid 352] <... write resumed>) = 18 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 355] chdir("./5" [pid 352] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] getdents64(3, [pid 355] <... chdir resumed>) = 0 [pid 352] <... bpf resumed>) = 3 [pid 355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 352] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 355] <... prctl resumed>) = 0 [pid 352] <... bpf resumed>) = 0 [pid 295] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 355] setpgid(0, 0 [pid 352] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 355] <... setpgid resumed>) = 0 [pid 352] <... bpf resumed>) = 4 [pid 295] newfstatat(AT_FDCWD, "./4/binderfs", [pid 355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 352] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 355] <... openat resumed>) = 3 [pid 352] <... bpf resumed>) = 5 [pid 295] unlink("./4/binderfs" [pid 355] write(3, "1000", 4 [pid 352] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] <... unlink resumed>) = 0 [pid 355] <... write resumed>) = 4 [pid 352] <... openat resumed>) = 6 [pid 295] getdents64(3, [pid 355] close(3 [pid 352] ioctl(6, PPPIOCNEWUNIT [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 355] <... close resumed>) = 0 [pid 352] <... ioctl resumed>, 0x20001400) = 0 [pid 295] close(3 [pid 355] symlink("/dev/binderfs", "./binderfs" [pid 352] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] <... close resumed>) = 0 [pid 355] <... symlink resumed>) = 0 [pid 352] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 344] +++ exited with 0 +++ [pid 295] rmdir("./4" [pid 355] write(1, "executing program\n", 18 [pid 352] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 295] <... rmdir resumed>) = 0 [pid 355] <... write resumed>) = 18 [pid 352] <... bpf resumed>) = 7 [pid 295] mkdir("./5", 0777 [pid 355] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 352] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... mkdir resumed>) = 0 [pid 355] <... bpf resumed>) = 3 [pid 352] <... bpf resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 355] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 352] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 355] <... bpf resumed>) = 0 [pid 352] <... bpf resumed>) = 8 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 358 [pid 355] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 352] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 355] <... bpf resumed>) = 4 [pid 352] <... bpf resumed>) = 9 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 355] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 352] exit_group(0 [pid 355] <... bpf resumed>) = 5 [pid 352] <... exit_group resumed>) = ? [pid 355] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 355] <... openat resumed>) = 6 [pid 355] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 298] <... openat resumed>) = 3 [pid 355] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 355] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 355] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 355] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 298] newfstatat(3, "", [pid 355] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 355] exit_group(0) = ? [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 358 attached [pid 358] set_robust_list(0x55555719e760, 24) = 0 [pid 358] chdir("./5" [pid 298] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 358] <... chdir resumed>) = 0 [pid 358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 358] setpgid(0, 0) = 0 [pid 358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 358] write(3, "1000", 4 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 358] <... write resumed>) = 4 [pid 358] close(3) = 0 [pid 358] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 358] write(1, "executing program\n", 18) = 18 [pid 358] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 358] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 298] newfstatat(AT_FDCWD, "./5/binderfs", [pid 358] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 358] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] unlink("./5/binderfs" [pid 358] <... bpf resumed>) = 5 [pid 358] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 358] ioctl(6, PPPIOCNEWUNIT [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./5" [pid 358] <... ioctl resumed>, 0x20001400) = 0 [pid 358] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 358] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 358] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 358] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 358] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 358] exit_group(0) = ? [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./6", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 360 attached [pid 360] set_robust_list(0x55555719e760, 24 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 360 [pid 360] <... set_robust_list resumed>) = 0 [pid 360] chdir("./6") = 0 [pid 360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 360] setpgid(0, 0) = 0 [pid 360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 360] write(3, "1000", 4) = 4 [pid 360] close(3) = 0 [pid 360] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 360] write(1, "executing program\n", 18) = 18 [pid 360] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 360] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 360] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 360] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 360] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 360] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 360] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 360] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 360] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 360] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 360] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 360] exit_group(0) = ? [pid 346] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./5/binderfs") = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./5") = 0 [pid 299] mkdir("./6", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 362 [pid 355] +++ exited with 0 +++ [pid 352] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./5/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] newfstatat(3, "", [pid 297] close(3) = 0 [pid 297] rmdir("./5") = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] mkdir("./6", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] getdents64(3, [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 363 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 363 attached [pid 363] set_robust_list(0x55555719e760, 24) = 0 [pid 363] chdir("./6") = 0 [pid 363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 296] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 363] setpgid(0, 0) = 0 [pid 363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./5/binderfs" [pid 363] <... openat resumed>) = 3 [pid 363] write(3, "1000", 4 [pid 296] <... unlink resumed>) = 0 [pid 363] <... write resumed>) = 4 [pid 296] getdents64(3, [pid 363] close(3 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 363] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 363] symlink("/dev/binderfs", "./binderfs" [pid 296] rmdir("./5") = 0 executing program [pid 296] mkdir("./6", 0777 [pid 363] <... symlink resumed>) = 0 [pid 363] write(1, "executing program\n", 18) = 18 [pid 363] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... mkdir resumed>) = 0 [pid 363] <... bpf resumed>) = 3 [pid 363] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 363] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 364 [pid 363] <... bpf resumed>) = 4 [pid 363] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 364 attached [pid 364] set_robust_list(0x55555719e760, 24) = 0 ./strace-static-x86_64: Process 362 attached [pid 364] chdir("./6" [pid 362] set_robust_list(0x55555719e760, 24 [pid 364] <... chdir resumed>) = 0 [pid 362] <... set_robust_list resumed>) = 0 [pid 364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 364] setpgid(0, 0) = 0 [pid 364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 364] write(3, "1000", 4 [pid 362] chdir("./6" [pid 364] <... write resumed>) = 4 [pid 364] close(3) = 0 [pid 364] symlink("/dev/binderfs", "./binderfs"executing program [pid 362] <... chdir resumed>) = 0 [pid 364] <... symlink resumed>) = 0 [pid 364] write(1, "executing program\n", 18 [pid 362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 364] <... write resumed>) = 18 [pid 364] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 364] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 364] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 362] <... prctl resumed>) = 0 [pid 362] setpgid(0, 0) = 0 [pid 364] <... bpf resumed>) = 4 [pid 364] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 362] write(3, "1000", 4) = 4 [pid 362] close(3) = 0 [pid 362] symlink("/dev/binderfs", "./binderfs") = 0 [pid 362] write(1, "executing program\n", 18executing program ) = 18 [pid 362] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 362] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 362] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 362] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 364] <... bpf resumed>) = 5 [pid 363] <... bpf resumed>) = 5 [pid 358] +++ exited with 0 +++ [pid 362] <... bpf resumed>) = 5 [pid 364] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 363] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 362] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 364] <... openat resumed>) = 6 [pid 363] <... openat resumed>) = 6 [pid 362] <... openat resumed>) = 6 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 362] ioctl(6, PPPIOCNEWUNIT [pid 364] ioctl(6, PPPIOCNEWUNIT [pid 363] ioctl(6, PPPIOCNEWUNIT [pid 364] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 363] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 362] <... ioctl resumed>, 0x20001400) = 0 [pid 362] bpf(BPF_PROG_LOAD, NULL, 0 [pid 364] bpf(BPF_PROG_LOAD, NULL, 0 [pid 363] bpf(BPF_PROG_LOAD, NULL, 0 [pid 362] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 362] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 364] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 363] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 362] <... bpf resumed>) = 7 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 362] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 364] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 363] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 362] <... bpf resumed>) = 0 [pid 295] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 362] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 364] <... bpf resumed>) = 7 [pid 363] <... bpf resumed>) = 7 [pid 295] <... openat resumed>) = 3 [pid 364] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 363] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 364] <... bpf resumed>) = 0 [pid 363] <... bpf resumed>) = 0 [pid 362] <... bpf resumed>) = 8 [pid 295] newfstatat(3, "", [pid 364] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 363] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 362] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 364] <... bpf resumed>) = 8 [pid 363] <... bpf resumed>) = 8 [pid 362] <... bpf resumed>) = 9 [pid 360] +++ exited with 0 +++ [pid 295] getdents64(3, [pid 364] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 363] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 362] exit_group(0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 364] <... bpf resumed>) = 9 [pid 363] <... bpf resumed>) = 9 [pid 362] <... exit_group resumed>) = ? [pid 295] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 364] exit_group(0 [pid 363] exit_group(0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 364] <... exit_group resumed>) = ? [pid 363] <... exit_group resumed>) = ? [pid 298] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] newfstatat(AT_FDCWD, "./5/binderfs", [pid 363] +++ exited with 0 +++ [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] unlink("./5/binderfs" [pid 298] <... openat resumed>) = 3 [pid 295] <... unlink resumed>) = 0 [pid 298] newfstatat(3, "", [pid 295] getdents64(3, [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] getdents64(3, [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] close(3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... close resumed>) = 0 [pid 298] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... openat resumed>) = 3 [pid 295] rmdir("./5" [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(3, "", [pid 295] <... rmdir resumed>) = 0 [pid 298] newfstatat(AT_FDCWD, "./6/binderfs", [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] mkdir("./6", 0777 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] getdents64(3, [pid 295] <... mkdir resumed>) = 0 [pid 298] unlink("./6/binderfs" [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... unlink resumed>) = 0 [pid 297] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] getdents64(3, [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 371 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] newfstatat(AT_FDCWD, "./6/binderfs", [pid 298] close(3 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... close resumed>) = 0 [pid 297] unlink("./6/binderfs" [pid 298] rmdir("./6" [pid 297] <... unlink resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 297] getdents64(3, [pid 298] mkdir("./7", 0777 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 297] close(3 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... close resumed>) = 0 [pid 297] rmdir("./6" [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 372 [pid 297] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 371 attached [pid 297] mkdir("./7", 0777 [pid 371] set_robust_list(0x55555719e760, 24 [pid 297] <... mkdir resumed>) = 0 [pid 371] <... set_robust_list resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 373 ./strace-static-x86_64: Process 373 attached [pid 373] set_robust_list(0x55555719e760, 24) = 0 [pid 373] chdir("./7" [pid 364] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=364, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 371] chdir("./6") = 0 [pid 371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 371] <... prctl resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 371] setpgid(0, 0 [pid 296] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 371] <... setpgid resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 371] <... openat resumed>) = 3 [pid 296] getdents64(3, [pid 371] write(3, "1000", 4 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 371] <... write resumed>) = 4 [pid 296] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./6/binderfs" [pid 373] <... chdir resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 371] close(3 [pid 296] getdents64(3, [pid 373] <... prctl resumed>) = 0 [pid 371] <... close resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 373] setpgid(0, 0 [pid 371] symlink("/dev/binderfs", "./binderfs" [pid 296] close(3 [pid 373] <... setpgid resumed>) = 0 [pid 371] <... symlink resumed>) = 0 [pid 296] <... close resumed>) = 0 executing program ./strace-static-x86_64: Process 372 attached [pid 373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 371] write(1, "executing program\n", 18 [pid 296] rmdir("./6" [pid 373] <... openat resumed>) = 3 [pid 372] set_robust_list(0x55555719e760, 24 [pid 371] <... write resumed>) = 18 [pid 296] <... rmdir resumed>) = 0 [pid 373] write(3, "1000", 4 [pid 372] <... set_robust_list resumed>) = 0 [pid 371] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] mkdir("./7", 0777 [pid 373] <... write resumed>) = 4 [pid 372] chdir("./7" [pid 371] <... bpf resumed>) = 3 [pid 296] <... mkdir resumed>) = 0 [pid 373] close(3 [pid 372] <... chdir resumed>) = 0 [pid 371] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 373] <... close resumed>) = 0 [pid 372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 371] <... bpf resumed>) = 0 [pid 373] symlink("/dev/binderfs", "./binderfs" [pid 372] <... prctl resumed>) = 0 [pid 371] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 377 [pid 373] <... symlink resumed>) = 0 [pid 372] setpgid(0, 0executing program [pid 373] write(1, "executing program\n", 18 [pid 372] <... setpgid resumed>) = 0 [pid 371] <... bpf resumed>) = 4 [pid 373] <... write resumed>) = 18 [pid 372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 373] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 372] <... openat resumed>) = 3 [pid 373] <... bpf resumed>) = 3 [pid 372] write(3, "1000", 4 [pid 373] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 372] <... write resumed>) = 4 [pid 373] <... bpf resumed>) = 0 [pid 372] close(3 [pid 371] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 373] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 372] <... close resumed>) = 0 [pid 371] <... bpf resumed>) = 5 [pid 373] <... bpf resumed>) = 4 [pid 372] symlink("/dev/binderfs", "./binderfs" [pid 371] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 373] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 372] <... symlink resumed>) = 0 [pid 371] <... openat resumed>) = 6 [pid 373] <... bpf resumed>) = 5 executing program [pid 372] write(1, "executing program\n", 18 [pid 371] ioctl(6, PPPIOCNEWUNIT [pid 373] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 372] <... write resumed>) = 18 [pid 373] <... openat resumed>) = 6 [pid 372] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 377 attached [pid 373] ioctl(6, PPPIOCNEWUNIT [pid 372] <... bpf resumed>) = 3 [pid 371] <... ioctl resumed>, 0x20001400) = 0 [pid 377] set_robust_list(0x55555719e760, 24 [pid 373] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 372] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 362] +++ exited with 0 +++ [pid 373] bpf(BPF_PROG_LOAD, NULL, 0 [pid 372] <... bpf resumed>) = 0 [pid 373] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 372] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 377] <... set_robust_list resumed>) = 0 [pid 373] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 371] bpf(BPF_PROG_LOAD, NULL, 0 [pid 377] chdir("./7" [pid 371] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 377] <... chdir resumed>) = 0 [pid 373] <... bpf resumed>) = 7 [pid 371] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 373] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 372] <... bpf resumed>) = 4 [pid 371] <... bpf resumed>) = 7 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 377] <... prctl resumed>) = 0 [pid 373] <... bpf resumed>) = 0 [pid 372] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 371] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 377] setpgid(0, 0 [pid 373] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 372] <... bpf resumed>) = 5 [pid 371] <... bpf resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 377] <... setpgid resumed>) = 0 [pid 371] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] newfstatat(3, "", [pid 377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 373] <... bpf resumed>) = 8 [pid 372] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 371] <... bpf resumed>) = 8 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 377] <... openat resumed>) = 3 [pid 373] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 372] <... openat resumed>) = 6 [pid 371] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] getdents64(3, [pid 377] write(3, "1000", 4 [pid 373] <... bpf resumed>) = 9 [pid 372] ioctl(6, PPPIOCNEWUNIT [pid 371] <... bpf resumed>) = 9 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 377] <... write resumed>) = 4 [pid 373] exit_group(0 [pid 372] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 371] exit_group(0 [pid 299] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 377] close(3 [pid 373] <... exit_group resumed>) = ? [pid 372] bpf(BPF_PROG_LOAD, NULL, 0 [pid 371] <... exit_group resumed>) = ? [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 377] <... close resumed>) = 0 [pid 373] +++ exited with 0 +++ [pid 372] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] newfstatat(AT_FDCWD, "./6/binderfs", [pid 377] symlink("/dev/binderfs", "./binderfs" [pid 372] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 377] <... symlink resumed>) = 0 [pid 299] unlink("./6/binderfs" [pid 377] write(1, "executing program\n", 18 [pid 299] <... unlink resumed>) = 0 [pid 377] <... write resumed>) = 18 [pid 299] getdents64(3, executing program [pid 377] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 372] <... bpf resumed>) = 7 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 377] <... bpf resumed>) = 3 [pid 299] close(3 [pid 377] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] <... close resumed>) = 0 [pid 377] <... bpf resumed>) = 0 [pid 299] rmdir("./6" [pid 377] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... rmdir resumed>) = 0 [pid 377] <... bpf resumed>) = 4 [pid 372] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] mkdir("./7", 0777 [pid 297] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 377] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 372] <... bpf resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 377] <... bpf resumed>) = 5 [pid 372] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 377] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 372] <... bpf resumed>) = 8 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 380 [pid 377] ioctl(6, PPPIOCNEWUNIT [pid 372] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 380 attached [pid 377] <... ioctl resumed>, 0x20001400) = 0 [pid 377] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 377] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 377] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 377] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 372] <... bpf resumed>) = 9 [pid 297] <... openat resumed>) = 3 [pid 377] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 380] set_robust_list(0x55555719e760, 24 [pid 377] <... bpf resumed>) = 9 [pid 372] exit_group(0 [pid 297] newfstatat(3, "", [pid 377] exit_group(0 [pid 372] <... exit_group resumed>) = ? [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 377] <... exit_group resumed>) = ? [pid 372] +++ exited with 0 +++ [pid 380] <... set_robust_list resumed>) = 0 [pid 297] getdents64(3, [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./7/binderfs", [pid 380] chdir("./7" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 380] <... chdir resumed>) = 0 [pid 380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] unlink("./7/binderfs") = 0 [pid 298] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] getdents64(3, [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] close(3 [pid 298] <... openat resumed>) = 3 [pid 297] <... close resumed>) = 0 [pid 298] newfstatat(3, "", [pid 297] rmdir("./7" [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 380] <... prctl resumed>) = 0 [pid 380] setpgid(0, 0 [pid 297] <... rmdir resumed>) = 0 [pid 298] getdents64(3, [pid 380] <... setpgid resumed>) = 0 [pid 297] mkdir("./8", 0777 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... mkdir resumed>) = 0 [pid 380] <... openat resumed>) = 3 [pid 371] +++ exited with 0 +++ [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] newfstatat(AT_FDCWD, "./7/binderfs", [pid 380] write(3, "1000", 4 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 380] <... write resumed>) = 4 [pid 298] unlink("./7/binderfs" [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 382 [pid 380] close(3 [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, [pid 380] <... close resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 380] symlink("/dev/binderfs", "./binderfs" [pid 298] <... close resumed>) = 0 [pid 298] rmdir("./7" [pid 380] <... symlink resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./8", 0777 [pid 380] write(1, "executing program\n", 18 executing program [pid 298] <... mkdir resumed>) = 0 [pid 295] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 382 attached [pid 380] <... write resumed>) = 18 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 380] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 382] set_robust_list(0x55555719e760, 24 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 383 [pid 295] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 382] <... set_robust_list resumed>) = 0 [pid 380] <... bpf resumed>) = 3 [pid 380] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 295] <... openat resumed>) = 3 [pid 382] chdir("./8" [pid 380] <... bpf resumed>) = 0 [pid 295] newfstatat(3, "", [pid 382] <... chdir resumed>) = 0 [pid 380] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 380] <... bpf resumed>) = 4 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 382] <... prctl resumed>) = 0 [pid 380] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] getdents64(3, [pid 382] setpgid(0, 0 [pid 380] <... bpf resumed>) = 5 [pid 380] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 380] ioctl(6, PPPIOCNEWUNIT [pid 382] <... setpgid resumed>) = 0 [pid 380] <... ioctl resumed>, 0x20001400) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 383 attached [pid 380] bpf(BPF_PROG_LOAD, NULL, 0 [pid 383] set_robust_list(0x55555719e760, 24 [pid 380] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 383] <... set_robust_list resumed>) = 0 [pid 380] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 383] chdir("./8" [pid 380] <... bpf resumed>) = 7 [pid 383] <... chdir resumed>) = 0 [pid 380] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 380] <... bpf resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 383] <... prctl resumed>) = 0 [pid 380] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 383] setpgid(0, 0 [pid 380] <... bpf resumed>) = 8 [pid 295] newfstatat(AT_FDCWD, "./6/binderfs", [pid 382] <... openat resumed>) = 3 [pid 383] <... setpgid resumed>) = 0 [pid 380] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 382] write(3, "1000", 4 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 380] <... bpf resumed>) = 9 [pid 383] <... openat resumed>) = 3 [pid 382] <... write resumed>) = 4 [pid 380] exit_group(0 [pid 295] unlink("./6/binderfs" [pid 382] close(3 [pid 383] write(3, "1000", 4 [pid 380] <... exit_group resumed>) = ? [pid 383] <... write resumed>) = 4 [pid 382] <... close resumed>) = 0 executing program executing program [pid 295] <... unlink resumed>) = 0 [pid 382] symlink("/dev/binderfs", "./binderfs" [pid 295] getdents64(3, [pid 383] close(3 [pid 382] <... symlink resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3 [pid 382] write(1, "executing program\n", 18 [pid 383] <... close resumed>) = 0 [pid 383] symlink("/dev/binderfs", "./binderfs") = 0 [pid 295] <... close resumed>) = 0 [pid 382] <... write resumed>) = 18 [pid 383] write(1, "executing program\n", 18 [pid 295] rmdir("./6" [pid 383] <... write resumed>) = 18 [pid 383] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 382] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] <... rmdir resumed>) = 0 [pid 383] <... bpf resumed>) = 3 [pid 383] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 383] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 382] <... bpf resumed>) = 3 [pid 295] mkdir("./7", 0777 [pid 382] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 383] <... bpf resumed>) = 4 [pid 382] <... bpf resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 382] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 383] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 383] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 383] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 382] <... bpf resumed>) = 4 [pid 383] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 383] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 383] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 383] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 382] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 385 [pid 383] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 383] exit_group(0) = ? [pid 382] <... bpf resumed>) = 5 [pid 382] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 382] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 385 attached [pid 385] set_robust_list(0x55555719e760, 24) = 0 [pid 385] chdir("./7") = 0 [pid 385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 385] setpgid(0, 0) = 0 [pid 385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 385] write(3, "1000", 4) = 4 [pid 385] close(3) = 0 [pid 385] symlink("/dev/binderfs", "./binderfs") = 0 [pid 385] write(1, "executing program\n", 18executing program ) = 18 [pid 385] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 385] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 385] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 385] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 385] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 385] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 382] <... ioctl resumed>, 0x20001400) = 0 [pid 385] bpf(BPF_PROG_LOAD, NULL, 0 [pid 382] bpf(BPF_PROG_LOAD, NULL, 0 [pid 385] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 382] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 385] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 382] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 385] <... bpf resumed>) = 7 [pid 382] <... bpf resumed>) = 7 [pid 377] +++ exited with 0 +++ [pid 385] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 382] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=377, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 385] <... bpf resumed>) = 0 [pid 382] <... bpf resumed>) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 385] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 382] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... restart_syscall resumed>) = 0 [pid 385] <... bpf resumed>) = 8 [pid 382] <... bpf resumed>) = 8 [pid 385] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 382] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 385] <... bpf resumed>) = 9 [pid 382] <... bpf resumed>) = 9 [pid 296] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 385] exit_group(0 [pid 382] exit_group(0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 385] <... exit_group resumed>) = ? [pid 382] <... exit_group resumed>) = ? [pid 296] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 385] +++ exited with 0 +++ [pid 296] <... openat resumed>) = 3 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... openat resumed>) = 3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(3, "", [pid 296] newfstatat(AT_FDCWD, "./7/binderfs", [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./7/binderfs" [pid 295] getdents64(3, [pid 296] <... unlink resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] getdents64(3, [pid 295] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] close(3 [pid 295] newfstatat(AT_FDCWD, "./7/binderfs", [pid 296] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] rmdir("./7" [pid 295] unlink("./7/binderfs" [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./8", 0777 [pid 295] <... unlink resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 390 [pid 295] close(3) = 0 [pid 295] rmdir("./7"./strace-static-x86_64: Process 390 attached ) = 0 [pid 295] mkdir("./8", 0777 [pid 390] set_robust_list(0x55555719e760, 24) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 390] chdir("./8" [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 391 [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 390] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 391 attached [pid 390] close(3 [pid 391] set_robust_list(0x55555719e760, 24) = 0 [pid 391] chdir("./8") = 0 [pid 390] <... close resumed>) = 0 [pid 390] symlink("/dev/binderfs", "./binderfs" [pid 391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 391] setpgid(0, 0) = 0 [pid 391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 390] <... symlink resumed>) = 0 executing program [pid 390] write(1, "executing program\n", 18 [pid 391] <... openat resumed>) = 3 [pid 391] write(3, "1000", 4) = 4 [pid 391] close(3) = 0 [pid 391] symlink("/dev/binderfs", "./binderfs" [pid 390] <... write resumed>) = 18 executing program [pid 391] <... symlink resumed>) = 0 [pid 391] write(1, "executing program\n", 18) = 18 [pid 391] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 391] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 391] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 390] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 391] <... bpf resumed>) = 4 [pid 390] <... bpf resumed>) = 3 [pid 391] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 391] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 391] ioctl(6, PPPIOCNEWUNIT [pid 390] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 390] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 390] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 390] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 390] ioctl(6, PPPIOCNEWUNIT [pid 383] +++ exited with 0 +++ [pid 380] +++ exited with 0 +++ [pid 391] <... ioctl resumed>, 0x20001400) = 0 [pid 391] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 391] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 391] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... openat resumed>) = 3 [pid 298] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... openat resumed>) = 3 [pid 391] <... bpf resumed>) = 0 [pid 299] getdents64(3, [pid 298] newfstatat(3, "", [pid 391] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] getdents64(3, [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 391] <... bpf resumed>) = 8 [pid 299] newfstatat(AT_FDCWD, "./7/binderfs", [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] unlink("./7/binderfs" [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 391] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 390] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 299] <... unlink resumed>) = 0 [pid 298] newfstatat(AT_FDCWD, "./8/binderfs", [pid 299] getdents64(3, [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] unlink("./8/binderfs" [pid 299] close(3 [pid 391] <... bpf resumed>) = 9 [pid 390] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] <... close resumed>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 299] rmdir("./7" [pid 298] getdents64(3, [pid 391] exit_group(0 [pid 390] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 391] <... exit_group resumed>) = ? [pid 390] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... rmdir resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] mkdir("./8", 0777 [pid 298] close(3 [pid 390] <... bpf resumed>) = 7 [pid 299] <... mkdir resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 390] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 390] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] rmdir("./8" [pid 390] <... bpf resumed>) = 8 [pid 298] <... rmdir resumed>) = 0 [pid 390] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 394 [pid 298] mkdir("./9", 0777 [pid 390] exit_group(0) = ? [pid 390] +++ exited with 0 +++ [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 394 attached [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 395 [pid 296] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 394] set_robust_list(0x55555719e760, 24 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./8/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 394] <... set_robust_list resumed>) = 0 [pid 296] close(3 [pid 394] chdir("./8" [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./8" [pid 394] <... chdir resumed>) = 0 [pid 394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./9", 0777 [pid 394] <... prctl resumed>) = 0 [pid 394] setpgid(0, 0 [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 394] <... setpgid resumed>) = 0 [pid 394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 396 [pid 394] <... openat resumed>) = 3 [pid 394] write(3, "1000", 4./strace-static-x86_64: Process 396 attached [pid 396] set_robust_list(0x55555719e760, 24 [pid 394] <... write resumed>) = 4 [pid 394] close(3 [pid 396] <... set_robust_list resumed>) = 0 [pid 394] <... close resumed>) = 0 [pid 396] chdir("./9" [pid 394] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 395 attached [pid 396] <... chdir resumed>) = 0 [pid 394] <... symlink resumed>) = 0 [pid 396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 395] set_robust_list(0x55555719e760, 24 [pid 394] write(1, "executing program\n", 18 [pid 396] setpgid(0, 0 [pid 395] <... set_robust_list resumed>) = 0 executing program [pid 395] chdir("./9" [pid 394] <... write resumed>) = 18 [pid 395] <... chdir resumed>) = 0 [pid 394] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 396] <... setpgid resumed>) = 0 [pid 396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 394] <... bpf resumed>) = 3 [pid 396] <... openat resumed>) = 3 [pid 395] <... prctl resumed>) = 0 [pid 394] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 396] write(3, "1000", 4 [pid 395] setpgid(0, 0 [pid 394] <... bpf resumed>) = 0 [pid 396] <... write resumed>) = 4 [pid 395] <... setpgid resumed>) = 0 [pid 394] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 396] close(3 [pid 395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 394] <... bpf resumed>) = 4 [pid 395] <... openat resumed>) = 3 [pid 394] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 395] write(3, "1000", 4 [pid 394] <... bpf resumed>) = 5 [pid 396] <... close resumed>) = 0 [pid 395] <... write resumed>) = 4 [pid 394] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 396] symlink("/dev/binderfs", "./binderfs" [pid 395] close(3 [pid 394] <... openat resumed>) = 6 [pid 396] <... symlink resumed>) = 0 [pid 395] <... close resumed>) = 0 [pid 394] ioctl(6, PPPIOCNEWUNIT [pid 396] write(1, "executing program\n", 18 [pid 395] symlink("/dev/binderfs", "./binderfs" [pid 394] <... ioctl resumed>, 0x20001400) = 0 [pid 395] <... symlink resumed>) = 0 executing program [pid 395] write(1, "executing program\n", 18 [pid 394] bpf(BPF_PROG_LOAD, NULL, 0 [pid 395] <... write resumed>) = 18 executing program [pid 396] <... write resumed>) = 18 [pid 395] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 394] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 395] <... bpf resumed>) = 3 [pid 396] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 395] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 394] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 396] <... bpf resumed>) = 3 [pid 395] <... bpf resumed>) = 0 [pid 394] <... bpf resumed>) = 7 [pid 382] +++ exited with 0 +++ [pid 396] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 395] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 394] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 396] <... bpf resumed>) = 0 [pid 395] <... bpf resumed>) = 4 [pid 394] <... bpf resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 396] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 395] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 394] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 396] <... bpf resumed>) = 4 [pid 395] <... bpf resumed>) = 5 [pid 394] <... bpf resumed>) = 8 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 396] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 395] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 394] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 396] <... bpf resumed>) = 5 [pid 395] <... openat resumed>) = 6 [pid 394] <... bpf resumed>) = 9 [pid 396] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 395] ioctl(6, PPPIOCNEWUNIT [pid 394] exit_group(0 [pid 297] <... openat resumed>) = 3 [pid 396] <... openat resumed>) = 6 [pid 395] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 394] <... exit_group resumed>) = ? [pid 297] newfstatat(3, "", [pid 396] ioctl(6, PPPIOCNEWUNIT [pid 395] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 396] <... ioctl resumed>, 0x20001400) = 0 [pid 395] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 395] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 395] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 297] getdents64(3, [pid 395] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 396] bpf(BPF_PROG_LOAD, NULL, 0 [pid 395] <... bpf resumed>) = 8 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 396] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 395] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 396] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 395] <... bpf resumed>) = 9 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 396] <... bpf resumed>) = 7 [pid 395] exit_group(0 [pid 297] newfstatat(AT_FDCWD, "./8/binderfs", [pid 396] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 395] <... exit_group resumed>) = ? [pid 396] <... bpf resumed>) = 0 [pid 395] +++ exited with 0 +++ [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 396] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] unlink("./8/binderfs" [pid 396] <... bpf resumed>) = 8 [pid 297] <... unlink resumed>) = 0 [pid 396] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 297] getdents64(3, [pid 396] exit_group(0 [pid 298] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 396] <... exit_group resumed>) = ? [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] close(3 [pid 391] +++ exited with 0 +++ [pid 298] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... close resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 297] rmdir("./8" [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 298] getdents64(3, [pid 297] mkdir("./9", 0777 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... mkdir resumed>) = 0 [pid 295] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] newfstatat(AT_FDCWD, "./9/binderfs", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] unlink("./9/binderfs" [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 404 [pid 298] <... unlink resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 298] getdents64(3, [pid 295] newfstatat(3, "", [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... close resumed>) = 0 [pid 298] rmdir("./9" [pid 295] getdents64(3, [pid 298] <... rmdir resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] mkdir("./10", 0777 [pid 295] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... mkdir resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] newfstatat(AT_FDCWD, "./8/binderfs", ./strace-static-x86_64: Process 404 attached {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 405 [pid 295] unlink("./8/binderfs" [pid 404] set_robust_list(0x55555719e760, 24 [pid 295] <... unlink resumed>) = 0 [pid 404] <... set_robust_list resumed>) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3 [pid 404] chdir("./9" [pid 295] <... close resumed>) = 0 [pid 404] <... chdir resumed>) = 0 [pid 295] rmdir("./8" [pid 404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... rmdir resumed>) = 0 [pid 404] <... prctl resumed>) = 0 [pid 295] mkdir("./9", 0777 [pid 404] setpgid(0, 0) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 406 [pid 404] <... openat resumed>) = 3 [pid 404] write(3, "1000", 4) = 4 [pid 404] close(3./strace-static-x86_64: Process 405 attached ) = 0 ./strace-static-x86_64: Process 406 attached [pid 404] symlink("/dev/binderfs", "./binderfs" [pid 406] set_robust_list(0x55555719e760, 24 [pid 405] set_robust_list(0x55555719e760, 24 [pid 404] <... symlink resumed>) = 0 [pid 406] <... set_robust_list resumed>) = 0 [pid 404] write(1, "executing program\n", 18executing program [pid 406] chdir("./9" [pid 405] <... set_robust_list resumed>) = 0 [pid 404] <... write resumed>) = 18 [pid 406] <... chdir resumed>) = 0 [pid 406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 405] chdir("./10" [pid 404] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 406] <... prctl resumed>) = 0 [pid 404] <... bpf resumed>) = 3 [pid 406] setpgid(0, 0 [pid 404] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 406] <... setpgid resumed>) = 0 [pid 404] <... bpf resumed>) = 0 [pid 406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 405] <... chdir resumed>) = 0 [pid 404] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 406] <... openat resumed>) = 3 [pid 405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 406] write(3, "1000", 4 [pid 404] <... bpf resumed>) = 4 [pid 406] <... write resumed>) = 4 [pid 405] <... prctl resumed>) = 0 [pid 404] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 406] close(3 [pid 404] <... bpf resumed>) = 5 [pid 406] <... close resumed>) = 0 [pid 406] symlink("/dev/binderfs", "./binderfs" [pid 404] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 406] <... symlink resumed>) = 0 [pid 405] setpgid(0, 0 [pid 404] <... openat resumed>) = 6 [pid 406] write(1, "executing program\n", 18executing program [pid 405] <... setpgid resumed>) = 0 [pid 404] ioctl(6, PPPIOCNEWUNIT [pid 406] <... write resumed>) = 18 [pid 405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 405] write(3, "1000", 4) = 4 [pid 406] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 405] close(3 [pid 404] <... ioctl resumed>, 0x20001400) = 0 [pid 405] <... close resumed>) = 0 [pid 394] +++ exited with 0 +++ [pid 405] symlink("/dev/binderfs", "./binderfs" [pid 406] <... bpf resumed>) = 3 [pid 405] <... symlink resumed>) = 0 executing program [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=394, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 405] write(1, "executing program\n", 18) = 18 [pid 406] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 405] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 406] <... bpf resumed>) = 0 [pid 405] <... bpf resumed>) = 3 [pid 404] bpf(BPF_PROG_LOAD, NULL, 0 [pid 406] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 405] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 406] <... bpf resumed>) = 4 [pid 405] <... bpf resumed>) = 0 [pid 404] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 406] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 405] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 404] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 405] <... bpf resumed>) = 4 [pid 404] <... bpf resumed>) = 7 [pid 405] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 404] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 299] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 404] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 404] <... bpf resumed>) = 8 [pid 299] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 404] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./8/binderfs") = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./8") = 0 [pid 299] mkdir("./9", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 408 ./strace-static-x86_64: Process 408 attached [pid 408] set_robust_list(0x55555719e760, 24) = 0 [pid 396] +++ exited with 0 +++ [pid 406] <... bpf resumed>) = 5 [pid 405] <... bpf resumed>) = 5 [pid 404] <... bpf resumed>) = 9 [pid 406] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 405] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 404] exit_group(0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 406] <... openat resumed>) = 6 [pid 405] <... openat resumed>) = 6 [pid 406] ioctl(6, PPPIOCNEWUNIT [pid 405] ioctl(6, PPPIOCNEWUNIT [pid 404] <... exit_group resumed>) = ? [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 406] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 405] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 408] chdir("./9") = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 406] bpf(BPF_PROG_LOAD, NULL, 0 [pid 405] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 296] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 406] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 405] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 406] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 405] <... bpf resumed>) = 7 [pid 408] <... prctl resumed>) = 0 [pid 408] setpgid(0, 0) = 0 [pid 408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 406] <... bpf resumed>) = 7 [pid 406] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 405] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 406] <... bpf resumed>) = 0 [pid 405] <... bpf resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 406] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 405] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] newfstatat(3, "", [pid 408] <... openat resumed>) = 3 [pid 406] <... bpf resumed>) = 8 [pid 408] write(3, "1000", 4 [pid 406] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 405] <... bpf resumed>) = 8 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 406] <... bpf resumed>) = 9 [pid 405] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 406] exit_group(0 [pid 296] getdents64(3, [pid 405] <... bpf resumed>) = 9 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 406] <... exit_group resumed>) = ? [pid 405] exit_group(0 [pid 296] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 408] <... write resumed>) = 4 [pid 408] close(3 [pid 406] +++ exited with 0 +++ [pid 405] <... exit_group resumed>) = ? [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 408] <... close resumed>) = 0 [pid 408] symlink("/dev/binderfs", "./binderfs" [pid 405] +++ exited with 0 +++ [pid 296] newfstatat(AT_FDCWD, "./9/binderfs", [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] unlink("./9/binderfs" [pid 295] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... openat resumed>) = 3 [pid 296] getdents64(3, [pid 298] newfstatat(3, "", [pid 295] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... openat resumed>) = 3 [pid 296] close(3 [pid 298] getdents64(3, [pid 295] newfstatat(3, "", [pid 296] <... close resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] rmdir("./9" [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 408] <... symlink resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... rmdir resumed>) = 0 [pid 295] getdents64(3, [pid 298] newfstatat(AT_FDCWD, "./10/binderfs", [pid 296] mkdir("./10", 0777 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 408] write(1, "executing program\n", 18 [pid 296] <... mkdir resumed>) = 0 [pid 298] unlink("./10/binderfs" [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./9/binderfs", [pid 298] getdents64(3, [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 409 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] unlink("./9/binderfs" [pid 298] close(3 [pid 295] <... unlink resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 295] getdents64(3, [pid 298] rmdir("./10" [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 executing program [pid 408] <... write resumed>) = 18 [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./11", 0777 [pid 295] close(3 [pid 408] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 409 attached [pid 298] <... mkdir resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 409] set_robust_list(0x55555719e760, 24 [pid 408] <... bpf resumed>) = 3 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] rmdir("./9" [pid 409] <... set_robust_list resumed>) = 0 [pid 408] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 295] <... rmdir resumed>) = 0 [pid 409] chdir("./10" [pid 408] <... bpf resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 410 [pid 295] mkdir("./10", 0777 [pid 409] <... chdir resumed>) = 0 [pid 408] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... mkdir resumed>) = 0 [pid 409] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 409] <... prctl resumed>) = 0 [pid 409] setpgid(0, 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 411 [pid 409] <... setpgid resumed>) = 0 [pid 408] <... bpf resumed>) = 4 [pid 409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 408] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 409] <... openat resumed>) = 3 [pid 409] write(3, "1000", 4 [pid 408] <... bpf resumed>) = 5 [pid 409] <... write resumed>) = 4 [pid 409] close(3) = 0 [pid 409] symlink("/dev/binderfs", "./binderfs") = 0 [pid 408] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 409] write(1, "executing program\n", 18executing program ) = 18 [pid 409] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 408] <... openat resumed>) = 6 [pid 409] <... bpf resumed>) = 3 [pid 409] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 408] ioctl(6, PPPIOCNEWUNIT [pid 409] <... bpf resumed>) = 0 [pid 409] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 408] <... ioctl resumed>, 0x20001400) = 0 [pid 409] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 408] bpf(BPF_PROG_LOAD, NULL, 0 [pid 409] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 409] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 408] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 409] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 409] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 408] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 409] <... bpf resumed>) = 7 [pid 409] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 409] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 408] <... bpf resumed>) = 7 [pid 409] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 408] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 409] <... bpf resumed>) = 9 [pid 408] <... bpf resumed>) = 0 [pid 409] exit_group(0) = ? ./strace-static-x86_64: Process 411 attached ./strace-static-x86_64: Process 410 attached [pid 409] +++ exited with 0 +++ [pid 408] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 411] set_robust_list(0x55555719e760, 24 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 296] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 408] <... bpf resumed>) = 8 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./10/binderfs" [pid 411] <... set_robust_list resumed>) = 0 [pid 410] set_robust_list(0x55555719e760, 24 [pid 408] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 408] <... bpf resumed>) = 9 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./10") = 0 [pid 408] exit_group(0 [pid 296] mkdir("./11", 0777 [pid 411] chdir("./10" [pid 410] <... set_robust_list resumed>) = 0 [pid 408] <... exit_group resumed>) = ? [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 411] <... chdir resumed>) = 0 [pid 410] chdir("./11" [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 413 ./strace-static-x86_64: Process 413 attached [pid 413] set_robust_list(0x55555719e760, 24) = 0 [pid 411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 410] <... chdir resumed>) = 0 [pid 413] chdir("./11" [pid 411] <... prctl resumed>) = 0 [pid 410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 413] <... chdir resumed>) = 0 [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 [pid 411] setpgid(0, 0 [pid 410] <... prctl resumed>) = 0 [pid 411] <... setpgid resumed>) = 0 [pid 410] setpgid(0, 0 [pid 413] <... openat resumed>) = 3 [pid 413] write(3, "1000", 4 [pid 411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 410] <... setpgid resumed>) = 0 [pid 413] <... write resumed>) = 4 [pid 413] close(3) = 0 [pid 413] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 413] write(1, "executing program\n", 18 [pid 410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 413] <... write resumed>) = 18 [pid 413] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 411] <... openat resumed>) = 3 [pid 410] <... openat resumed>) = 3 [pid 411] write(3, "1000", 4 [pid 410] write(3, "1000", 4 [pid 411] <... write resumed>) = 4 [pid 410] <... write resumed>) = 4 [pid 413] <... bpf resumed>) = 3 [pid 413] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 413] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 411] close(3 [pid 410] close(3 [pid 411] <... close resumed>) = 0 [pid 410] <... close resumed>) = 0 [pid 410] symlink("/dev/binderfs", "./binderfs" [pid 411] symlink("/dev/binderfs", "./binderfs" [pid 410] <... symlink resumed>) = 0 executing program [pid 411] <... symlink resumed>) = 0 [pid 410] write(1, "executing program\n", 18executing program ) = 18 [pid 411] write(1, "executing program\n", 18 [pid 413] <... bpf resumed>) = 4 [pid 413] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 411] <... write resumed>) = 18 [pid 410] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 411] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 410] <... bpf resumed>) = 3 [pid 413] <... bpf resumed>) = 5 [pid 411] <... bpf resumed>) = 3 [pid 410] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 413] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 413] ioctl(6, PPPIOCNEWUNIT [pid 411] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 410] <... bpf resumed>) = 0 [pid 411] <... bpf resumed>) = 0 [pid 410] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 411] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 410] <... bpf resumed>) = 4 [pid 411] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 410] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 411] <... bpf resumed>) = 5 [pid 410] <... bpf resumed>) = 5 [pid 411] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 410] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 411] <... openat resumed>) = 6 [pid 410] <... openat resumed>) = 6 [pid 411] ioctl(6, PPPIOCNEWUNIT [pid 410] ioctl(6, PPPIOCNEWUNIT [pid 413] <... ioctl resumed>, 0x20001400) = 0 [pid 413] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 413] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 413] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 413] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 411] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 411] bpf(BPF_PROG_LOAD, NULL, 0 [pid 410] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 410] bpf(BPF_PROG_LOAD, NULL, 0 [pid 411] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 410] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 411] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 410] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 411] <... bpf resumed>) = 7 [pid 411] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 410] <... bpf resumed>) = 7 [pid 411] <... bpf resumed>) = 0 [pid 410] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 411] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 410] <... bpf resumed>) = 0 [pid 411] <... bpf resumed>) = 8 [pid 410] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 411] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 410] <... bpf resumed>) = 8 [pid 411] <... bpf resumed>) = 9 [pid 410] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 411] exit_group(0 [pid 410] <... bpf resumed>) = 9 [pid 411] <... exit_group resumed>) = ? [pid 410] exit_group(0 [pid 413] <... bpf resumed>) = 8 [pid 411] +++ exited with 0 +++ [pid 410] <... exit_group resumed>) = ? [pid 404] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=404, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 410] +++ exited with 0 +++ [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] getdents64(3, [pid 295] getdents64(3, [pid 413] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... restart_syscall resumed>) = 0 [pid 297] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./9/binderfs", [pid 413] <... bpf resumed>) = 9 [pid 295] newfstatat(AT_FDCWD, "./10/binderfs", [pid 298] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] unlink("./9/binderfs" [pid 295] unlink("./10/binderfs" [pid 413] exit_group(0 [pid 298] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 297] getdents64(3, [pid 295] getdents64(3, [pid 298] newfstatat(3, "", [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 297] close(3 [pid 295] close(3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... close resumed>) = 0 [pid 298] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] rmdir("./9" [pid 295] <... close resumed>) = 0 [pid 413] <... exit_group resumed>) = ? [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... rmdir resumed>) = 0 [pid 295] rmdir("./10" [pid 298] newfstatat(AT_FDCWD, "./11/binderfs", [pid 297] mkdir("./10", 0777 [pid 295] <... rmdir resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 295] mkdir("./11", 0777 [pid 298] unlink("./11/binderfs" [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... mkdir resumed>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] getdents64(3, [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 417 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 418 [pid 298] <... close resumed>) = 0 [pid 298] rmdir("./11") = 0 [pid 298] mkdir("./12", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 419 ./strace-static-x86_64: Process 419 attached [pid 419] set_robust_list(0x55555719e760, 24) = 0 [pid 419] chdir("./12") = 0 [pid 419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 419] setpgid(0, 0) = 0 [pid 419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 419] write(3, "1000", 4) = 4 [pid 419] close(3) = 0 [pid 419] symlink("/dev/binderfs", "./binderfs") = 0 [pid 419] write(1, "executing program\n", 18executing program ) = 18 [pid 419] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 419] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 419] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 417 attached [pid 417] set_robust_list(0x55555719e760, 24) = 0 [pid 417] chdir("./10" [pid 419] <... bpf resumed>) = 4 [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 419] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 419] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 417] write(3, "1000", 4 [pid 419] <... openat resumed>) = 6 [pid 417] <... write resumed>) = 4 [pid 417] close(3) = 0 [pid 419] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 418 attached [pid 418] set_robust_list(0x55555719e760, 24) = 0 [pid 417] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 417] write(1, "executing program\n", 18) = 18 [pid 418] chdir("./11") = 0 [pid 418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 417] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 418] <... prctl resumed>) = 0 [pid 417] <... bpf resumed>) = 3 [pid 417] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 417] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 418] setpgid(0, 0) = 0 [pid 418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 417] <... bpf resumed>) = 4 [pid 418] write(3, "1000", 4) = 4 [pid 418] close(3) = 0 [pid 418] symlink("/dev/binderfs", "./binderfs") = 0 [pid 418] write(1, "executing program\n", 18executing program ) = 18 [pid 418] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 418] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 418] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 418] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 418] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 419] <... ioctl resumed>, 0x20001400) = 0 [pid 418] ioctl(6, PPPIOCNEWUNIT [pid 417] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 418] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 417] <... bpf resumed>) = 5 [pid 418] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 417] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 419] bpf(BPF_PROG_LOAD, NULL, 0 [pid 418] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 419] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 418] <... bpf resumed>) = 7 [pid 417] <... openat resumed>) = 6 [pid 419] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 418] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 419] <... bpf resumed>) = 7 [pid 418] <... bpf resumed>) = 0 [pid 417] ioctl(6, PPPIOCNEWUNIT [pid 419] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 418] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 419] <... bpf resumed>) = 0 [pid 418] <... bpf resumed>) = 8 [pid 417] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 419] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 418] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 419] <... bpf resumed>) = 8 [pid 418] <... bpf resumed>) = 9 [pid 417] bpf(BPF_PROG_LOAD, NULL, 0 [pid 419] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 418] exit_group(0 [pid 417] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 419] <... bpf resumed>) = 9 [pid 418] <... exit_group resumed>) = ? [pid 417] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 419] exit_group(0 [pid 418] +++ exited with 0 +++ [pid 417] <... bpf resumed>) = 7 [pid 408] +++ exited with 0 +++ [pid 419] <... exit_group resumed>) = ? [pid 417] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 417] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=408, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 417] <... bpf resumed>) = 8 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 417] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 417] exit_group(0 [pid 299] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 417] <... exit_group resumed>) = ? [pid 417] +++ exited with 0 +++ [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 297] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] newfstatat(3, "", [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 297] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... openat resumed>) = 3 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] newfstatat(3, "", [pid 295] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./9/binderfs", [pid 297] getdents64(3, [pid 295] newfstatat(AT_FDCWD, "./11/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./9/binderfs" [pid 297] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] unlink("./11/binderfs" [pid 299] <... unlink resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 299] getdents64(3, [pid 297] newfstatat(AT_FDCWD, "./10/binderfs", [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] close(3 [pid 299] close(3 [pid 297] unlink("./10/binderfs" [pid 295] <... close resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 295] rmdir("./11" [pid 299] rmdir("./9" [pid 297] <... unlink resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./12", 0777 [pid 299] <... rmdir resumed>) = 0 [pid 297] getdents64(3, [pid 299] mkdir("./10", 0777 [pid 295] <... mkdir resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... mkdir resumed>) = 0 [pid 297] close(3 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... close resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 425 [pid 297] rmdir("./10" [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 426 ./strace-static-x86_64: Process 425 attached [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./11", 0777 [pid 425] set_robust_list(0x55555719e760, 24 [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 425] <... set_robust_list resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 427 [pid 425] chdir("./12") = 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"./strace-static-x86_64: Process 427 attached ) = 0 [pid 427] set_robust_list(0x55555719e760, 24) = 0 [pid 425] write(1, "executing program\n", 18executing program ) = 18 [pid 425] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 425] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 427] chdir("./11" [pid 425] <... bpf resumed>) = 0 [pid 427] <... chdir resumed>) = 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 425] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 427] write(3, "1000", 4) = 4 [pid 427] close(3) = 0 [pid 425] <... bpf resumed>) = 4 [pid 425] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 426 attached [pid 426] set_robust_list(0x55555719e760, 24) = 0 [pid 426] chdir("./10") = 0 [pid 427] symlink("/dev/binderfs", "./binderfs" [pid 426] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 427] <... symlink resumed>) = 0 executing program [pid 427] write(1, "executing program\n", 18) = 18 [pid 426] <... prctl resumed>) = 0 [pid 427] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 426] setpgid(0, 0 [pid 427] <... bpf resumed>) = 3 [pid 426] <... setpgid resumed>) = 0 [pid 427] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 427] <... bpf resumed>) = 0 [pid 426] <... openat resumed>) = 3 [pid 427] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 426] write(3, "1000", 4) = 4 [pid 426] close(3) = 0 [pid 426] symlink("/dev/binderfs", "./binderfs" [pid 427] <... bpf resumed>) = 4 [pid 426] <... symlink resumed>) = 0 [pid 427] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 426] write(1, "executing program\n", 18executing program ) = 18 [pid 426] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 426] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 426] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 426] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 425] <... bpf resumed>) = 5 [pid 413] +++ exited with 0 +++ [pid 427] <... bpf resumed>) = 5 [pid 426] <... bpf resumed>) = 5 [pid 425] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 427] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 426] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 425] <... openat resumed>) = 6 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 427] <... openat resumed>) = 6 [pid 426] <... openat resumed>) = 6 [pid 425] ioctl(6, PPPIOCNEWUNIT [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 427] ioctl(6, PPPIOCNEWUNIT [pid 426] ioctl(6, PPPIOCNEWUNIT [pid 425] <... ioctl resumed>, 0x20001400) = 0 [pid 425] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 427] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 426] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 425] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 425] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 425] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 427] bpf(BPF_PROG_LOAD, NULL, 0 [pid 426] bpf(BPF_PROG_LOAD, NULL, 0 [pid 425] <... bpf resumed>) = 0 [pid 425] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 427] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 426] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 425] <... bpf resumed>) = 8 [pid 427] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 426] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 425] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 427] <... bpf resumed>) = 7 [pid 426] <... bpf resumed>) = 7 [pid 425] <... bpf resumed>) = 9 [pid 419] +++ exited with 0 +++ [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 427] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 426] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 425] exit_group(0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 427] <... bpf resumed>) = 0 [pid 426] <... bpf resumed>) = 0 [pid 425] <... exit_group resumed>) = ? [pid 427] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 426] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... openat resumed>) = 3 [pid 427] <... bpf resumed>) = 8 [pid 426] <... bpf resumed>) = 8 [pid 298] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] newfstatat(3, "", [pid 427] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 426] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 427] <... bpf resumed>) = 9 [pid 426] <... bpf resumed>) = 9 [pid 298] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] getdents64(3, [pid 427] exit_group(0 [pid 298] <... openat resumed>) = 3 [pid 426] exit_group(0 [ 23.877115][ C1] softirq: huh, entered softirq 3 NET_RX ffffffff83e89ec0 with preempt_count 00000102, exited with 00000101? [ 23.888698][ T291] BUG: scheduling while atomic: strace-static-x/291/0x00000002 [ 23.896119][ T291] Modules linked in: [ 23.899791][ T291] Preemption disabled at: [ 23.899800][ T291] [] up_read+0x16/0x170 [ 23.909524][ T291] CPU: 1 PID: 291 Comm: strace-static-x Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0 [ 23.919573][ T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 23.929475][ T291] Call Trace: [ 23.932599][ T291] [ 23.935372][ T291] dump_stack_lvl+0x151/0x1b7 [ 23.939882][ T291] ? up_read+0x16/0x170 [ 23.943877][ T291] ? up_read+0x16/0x170 [ 23.947869][ T291] ? io_uring_drop_tctx_refs+0x190/0x190 [ 23.953351][ T291] ? up_read+0x16/0x170 [ 23.957328][ T291] dump_stack+0x15/0x17 [ 23.961322][ T291] __schedule_bug+0x195/0x260 [ 23.965837][ T291] ? ttwu_queue_wakelist+0x510/0x510 [ 23.970966][ T291] __schedule+0xd19/0x1590 [ 23.975210][ T291] ? __sched_text_start+0x8/0x8 [ 23.979896][ T291] ? __kasan_check_write+0x14/0x20 [ 23.984842][ T291] ? switch_fpu_return+0x1ed/0x3d0 [ 23.989790][ T291] schedule+0x11f/0x1e0 [ 23.993782][ T291] exit_to_user_mode_loop+0x4d/0xe0 [ 23.998819][ T291] exit_to_user_mode_prepare+0x5a/0xa0 [ 24.004110][ T291] syscall_exit_to_user_mode+0x26/0x160 [ 24.009494][ T291] do_syscall_64+0x49/0xb0 [ 24.013751][ T291] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 24.019481][ T291] RIP: 0033:0x4e815a [ 24.023209][ T291] Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 78 0c 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 36 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 b8 ff ff ff f7 [ 24.042648][ T291] RSP: 002b:00007ffed3323338 EFLAGS: 00000246 ORIG_RAX: 0000000000000136 [ 24.050976][ T291] RAX: 0000000000001000 RBX: 00007f86ba14e000 RCX: 00000000004e815a [ 24.058789][ T291] RDX: 0000000000000001 RSI: 00007ffed3323360 RDI: 000000000000012a [ 24.066602][ T291] RBP: 000000000063c8a0 R08: 0000000000000001 R09: 0000000000000000 [pid 298] newfstatat(3, "", [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 427] <... exit_group resumed>) = ? [pid 426] <... exit_group resumed>) = ? [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 427] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=427, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] getdents64(3, [pid 296] newfstatat(AT_FDCWD, "./11/binderfs", [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] unlink("./11/binderfs" [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./12/binderfs", [pid 296] <... unlink resumed>) = 0 [pid 297] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] getdents64(3, [pid 298] unlink("./12/binderfs" [pid 297] <... openat resumed>) = 3 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... unlink resumed>) = 0 [pid 297] newfstatat(3, "", [pid 296] close(3 [pid 298] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... close resumed>) = 0 [pid 298] close(3 [pid 297] getdents64(3, [pid 296] rmdir("./11" [pid 298] <... close resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] rmdir("./12" [pid 297] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... rmdir resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] mkdir("./12", 0777 [pid 298] mkdir("./13", 0777 [pid 297] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 297] unlink("./11/binderfs" [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 434 attached [pid 434] set_robust_list(0x55555719e760, 24) = 0 [pid 434] chdir("./12") = 0 [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 297] getdents64(3, [pid 434] <... openat resumed>) = 3 [pid 434] write(3, "1000", 4) = 4 [pid 434] close(3) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 434 [pid 434] symlink("/dev/binderfs", "./binderfs" [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 435 [pid 297] close(3) = 0 executing program [pid 297] rmdir("./11" [pid 434] <... symlink resumed>) = 0 [pid 434] write(1, "executing program\n", 18) = 18 [pid 434] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... rmdir resumed>) = 0 [pid 434] <... bpf resumed>) = 3 [pid 297] mkdir("./12", 0777 [pid 434] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 434] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 434] <... bpf resumed>) = 4 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 436 [pid 434] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 435 attached [pid 435] set_robust_list(0x55555719e760, 24) = 0 [pid 435] chdir("./13") = 0 [pid 435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 435] setpgid(0, 0) = 0 [pid 435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 435] write(3, "1000", 4./strace-static-x86_64: Process 436 attached [pid 434] <... bpf resumed>) = 5 [pid 426] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=426, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 434] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 436] set_robust_list(0x55555719e760, 24 [pid 434] ioctl(6, PPPIOCNEWUNIT [pid 436] <... set_robust_list resumed>) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 436] chdir("./12" [pid 299] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 436] <... chdir resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 436] <... prctl resumed>) = 0 [pid 299] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 436] setpgid(0, 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./10/binderfs", [pid 436] <... setpgid resumed>) = 0 [pid 435] <... write resumed>) = 4 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 435] close(3 [pid 299] unlink("./10/binderfs" [pid 436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 435] <... close resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 435] symlink("/dev/binderfs", "./binderfs" [pid 299] getdents64(3, [pid 436] <... openat resumed>) = 3 [pid 435] <... symlink resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 executing program [pid 435] write(1, "executing program\n", 18 [pid 434] <... ioctl resumed>, 0x20001400) = 0 [pid 299] close(3 [pid 435] <... write resumed>) = 18 [pid 434] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] <... close resumed>) = 0 [pid 436] write(3, "1000", 4 [pid 435] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 434] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] rmdir("./10" [pid 436] <... write resumed>) = 4 [pid 435] <... bpf resumed>) = 3 [pid 434] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... rmdir resumed>) = 0 [pid 436] close(3 [pid 435] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 434] <... bpf resumed>) = 7 [pid 299] mkdir("./11", 0777 [pid 436] <... close resumed>) = 0 [pid 435] <... bpf resumed>) = 0 [pid 434] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... mkdir resumed>) = 0 [pid 435] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 434] <... bpf resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 436] symlink("/dev/binderfs", "./binderfs" [pid 435] <... bpf resumed>) = 4 [pid 434] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 435] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 434] <... bpf resumed>) = 8 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 439 [pid 434] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 436] <... symlink resumed>) = 0 executing program [pid 436] write(1, "executing program\n", 18) = 18 [pid 436] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 436] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 436] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 436] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 439 attached [pid 439] set_robust_list(0x55555719e760, 24) = 0 [pid 439] chdir("./11") = 0 [pid 439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 439] setpgid(0, 0) = 0 [pid 439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 439] write(3, "1000", 4) = 4 [pid 439] close(3) = 0 [pid 439] symlink("/dev/binderfs", "./binderfs") = 0 [pid 439] write(1, "executing program\n", 18executing program ) = 18 [pid 439] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 439] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 439] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 439] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 436] <... bpf resumed>) = 5 [pid 435] <... bpf resumed>) = 5 [pid 434] <... bpf resumed>) = 9 [pid 425] +++ exited with 0 +++ [pid 439] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 436] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 435] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 434] exit_group(0 [pid 439] <... openat resumed>) = 6 [pid 436] <... openat resumed>) = 6 [pid 435] <... openat resumed>) = 6 [pid 434] <... exit_group resumed>) = ? [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=425, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 439] ioctl(6, PPPIOCNEWUNIT [pid 436] ioctl(6, PPPIOCNEWUNIT [pid 435] ioctl(6, PPPIOCNEWUNIT [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 439] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 436] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 295] <... restart_syscall resumed>) = 0 [pid 439] bpf(BPF_PROG_LOAD, NULL, 0 [pid 436] bpf(BPF_PROG_LOAD, NULL, 0 [pid 439] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 436] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 439] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [ 24.074412][ T291] R10: 00007ffed3323370 R11: 0000000000000246 R12: 0000000000000000 [ 24.082228][ T291] R13: 00007f86ba14edfd R14: 00000000022ee010 R15: 00007ffed3323410 [ 24.090038][ T291] [pid 436] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 439] <... bpf resumed>) = 7 [pid 436] <... bpf resumed>) = 7 [pid 435] <... ioctl resumed>, 0x20001400) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 439] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 436] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 435] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 439] <... bpf resumed>) = 0 [pid 436] <... bpf resumed>) = 0 [pid 435] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] <... openat resumed>) = 3 [pid 439] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 436] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 435] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] newfstatat(3, "", [pid 439] <... bpf resumed>) = 8 [pid 436] <... bpf resumed>) = 8 [pid 435] <... bpf resumed>) = 7 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 439] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 436] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 435] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] getdents64(3, [pid 439] <... bpf resumed>) = 9 [pid 436] <... bpf resumed>) = 9 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 439] exit_group(0 [pid 436] exit_group(0 [pid 295] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 439] <... exit_group resumed>) = ? [pid 436] <... exit_group resumed>) = ? [pid 435] <... bpf resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 439] +++ exited with 0 +++ [pid 436] +++ exited with 0 +++ [pid 435] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] newfstatat(AT_FDCWD, "./12/binderfs", [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./12/binderfs" [pid 435] <... bpf resumed>) = 8 [pid 295] <... unlink resumed>) = 0 [pid 435] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 435] <... bpf resumed>) = 9 [pid 295] close(3 [pid 435] exit_group(0 [pid 295] <... close resumed>) = 0 [pid 435] <... exit_group resumed>) = ? [pid 295] rmdir("./12") = 0 [pid 295] mkdir("./13", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 443 [pid 299] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 443 attached [pid 443] set_robust_list(0x55555719e760, 24) = 0 [pid 443] chdir("./13") = 0 [pid 443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 443] setpgid(0, 0) = 0 [pid 443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... openat resumed>) = 3 [pid 299] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 299] newfstatat(3, "", [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 299] getdents64(3, [pid 443] <... openat resumed>) = 3 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 443] write(3, "1000", 4 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./12/binderfs", [pid 299] newfstatat(AT_FDCWD, "./11/binderfs", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 443] <... write resumed>) = 4 [pid 299] unlink("./11/binderfs" [pid 297] unlink("./12/binderfs" [pid 443] close(3) = 0 [pid 443] symlink("/dev/binderfs", "./binderfs") = 0 [pid 299] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 executing program [pid 299] getdents64(3, [pid 297] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 297] close(3 [pid 299] <... close resumed>) = 0 [pid 443] write(1, "executing program\n", 18) = 18 [pid 443] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] rmdir("./11" [pid 297] <... close resumed>) = 0 [pid 443] <... bpf resumed>) = 3 [pid 299] <... rmdir resumed>) = 0 [pid 297] rmdir("./12" [pid 443] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] mkdir("./12", 0777 [pid 297] <... rmdir resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 443] <... bpf resumed>) = 0 [pid 297] mkdir("./13", 0777 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 443] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 446 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 447 [pid 443] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 447 attached [pid 443] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 447] set_robust_list(0x55555719e760, 24 [pid 443] <... bpf resumed>) = 5 [pid 443] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 443] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 ./strace-static-x86_64: Process 446 attached [pid 446] set_robust_list(0x55555719e760, 24) = 0 [pid 446] chdir("./12") = 0 [pid 446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 446] setpgid(0, 0 [pid 443] bpf(BPF_PROG_LOAD, NULL, 0 [pid 446] <... setpgid resumed>) = 0 [pid 446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 447] <... set_robust_list resumed>) = 0 [pid 443] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 443] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 446] <... openat resumed>) = 3 [pid 446] write(3, "1000", 4) = 4 [pid 446] close(3 [pid 443] <... bpf resumed>) = 7 [pid 446] <... close resumed>) = 0 [pid 443] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 446] symlink("/dev/binderfs", "./binderfs" [pid 443] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program [pid 446] <... symlink resumed>) = 0 [pid 446] write(1, "executing program\n", 18) = 18 [pid 434] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 443] <... bpf resumed>) = 8 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 443] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./12/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./12" [pid 447] chdir("./13" [pid 446] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... rmdir resumed>) = 0 [pid 447] <... chdir resumed>) = 0 [pid 447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 446] <... bpf resumed>) = 3 [pid 296] mkdir("./13", 0777 [pid 447] <... prctl resumed>) = 0 [pid 447] setpgid(0, 0) = 0 [pid 447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 447] <... openat resumed>) = 3 [pid 447] write(3, "1000", 4) = 4 [pid 447] close(3) = 0 [pid 447] symlink("/dev/binderfs", "./binderfs" [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 449 [pid 447] <... symlink resumed>) = 0 [pid 447] write(1, "executing program\n", 18executing program ) = 18 [pid 447] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 447] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 447] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 446] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 447] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 446] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 443] <... bpf resumed>) = 9 [pid 435] +++ exited with 0 +++ [pid 443] exit_group(0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 443] <... exit_group resumed>) = ? [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 447] <... bpf resumed>) = 5 [pid 446] <... bpf resumed>) = 4 [pid 447] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 446] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] <... restart_syscall resumed>) = 0 executing program [pid 447] <... openat resumed>) = 6 [pid 446] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 449 attached [pid 449] set_robust_list(0x55555719e760, 24) = 0 [pid 449] chdir("./13") = 0 [pid 449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 449] setpgid(0, 0) = 0 [pid 449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 449] write(3, "1000", 4) = 4 [pid 449] close(3) = 0 [pid 449] symlink("/dev/binderfs", "./binderfs") = 0 [pid 449] write(1, "executing program\n", 18) = 18 [pid 449] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 449] <... bpf resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 449] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] getdents64(3, [pid 447] ioctl(6, PPPIOCNEWUNIT [pid 446] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 449] <... bpf resumed>) = 0 [pid 449] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./13/binderfs", [pid 446] <... openat resumed>) = 6 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./13/binderfs" [pid 446] ioctl(6, PPPIOCNEWUNIT [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./13" [pid 449] <... bpf resumed>) = 4 [pid 449] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./14", 0777 [pid 449] <... bpf resumed>) = 5 [pid 449] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 449] ioctl(6, PPPIOCNEWUNIT [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 451 ./strace-static-x86_64: Process 451 attached [pid 451] set_robust_list(0x55555719e760, 24) = 0 [pid 451] chdir("./14") = 0 [pid 451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 451] setpgid(0, 0) = 0 executing program [pid 451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 451] write(3, "1000", 4) = 4 [pid 451] close(3) = 0 [pid 451] symlink("/dev/binderfs", "./binderfs") = 0 [pid 451] write(1, "executing program\n", 18) = 18 [pid 451] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 451] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 451] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 446] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 446] bpf(BPF_PROG_LOAD, NULL, 0 [pid 449] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 446] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 449] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 449] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 446] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 447] <... ioctl resumed>, 0x20001400) = 0 [pid 447] bpf(BPF_PROG_LOAD, NULL, 0 [pid 446] <... bpf resumed>) = 7 [pid 446] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 447] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 446] <... bpf resumed>) = 0 [pid 449] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 449] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 447] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 446] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 449] <... bpf resumed>) = 8 [pid 447] <... bpf resumed>) = 7 [pid 446] <... bpf resumed>) = 8 [pid 446] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 447] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 446] <... bpf resumed>) = 9 [pid 449] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 447] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 446] exit_group(0 [pid 449] exit_group(0) = ? [pid 449] +++ exited with 0 +++ [pid 446] <... exit_group resumed>) = ? [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 451] <... bpf resumed>) = 4 [pid 447] <... bpf resumed>) = 8 [pid 446] +++ exited with 0 +++ [pid 296] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 451] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 451] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 451] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 451] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 451] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 447] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 451] <... bpf resumed>) = 7 [pid 296] <... openat resumed>) = 3 [pid 451] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 447] <... bpf resumed>) = 9 [pid 296] newfstatat(3, "", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] getdents64(3, [pid 451] <... bpf resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 451] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] newfstatat(3, "", [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 447] exit_group(0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 447] <... exit_group resumed>) = ? [pid 299] getdents64(3, [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 451] <... bpf resumed>) = 8 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] newfstatat(AT_FDCWD, "./13/binderfs", [pid 299] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 451] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] unlink("./13/binderfs" [pid 299] newfstatat(AT_FDCWD, "./12/binderfs", [pid 451] <... bpf resumed>) = 9 [pid 451] exit_group(0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 451] <... exit_group resumed>) = ? [pid 299] unlink("./12/binderfs" [pid 296] getdents64(3, [pid 451] +++ exited with 0 +++ [pid 299] <... unlink resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] getdents64(3, [pid 296] close(3 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] close(3 [pid 296] <... close resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./12" [pid 296] rmdir("./13" [pid 299] <... rmdir resumed>) = 0 [pid 298] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... rmdir resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] mkdir("./14", 0777 [pid 299] mkdir("./13", 0777 [pid 298] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... mkdir resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 299] <... mkdir resumed>) = 0 [pid 298] newfstatat(3, "", [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 453 [pid 298] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 454 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./14/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./14") = 0 [pid 298] mkdir("./15", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 455 ./strace-static-x86_64: Process 453 attached [pid 453] set_robust_list(0x55555719e760, 24./strace-static-x86_64: Process 454 attached ) = 0 [pid 453] chdir("./13") = 0 [pid 453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 453] setpgid(0, 0) = 0 [pid 453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 454] set_robust_list(0x55555719e760, 24 [pid 453] write(3, "1000", 4) = 4 [pid 453] close(3) = 0 [pid 453] symlink("/dev/binderfs", "./binderfs" [pid 454] <... set_robust_list resumed>) = 0 [pid 453] <... symlink resumed>) = 0 executing program [pid 454] chdir("./14" [pid 453] write(1, "executing program\n", 18) = 18 [pid 454] <... chdir resumed>) = 0 [pid 454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 453] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 454] setpgid(0, 0) = 0 [pid 453] <... bpf resumed>) = 3 [pid 454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 453] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 454] <... openat resumed>) = 3 [pid 453] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 454] write(3, "1000", 4./strace-static-x86_64: Process 455 attached [pid 455] set_robust_list(0x55555719e760, 24) = 0 [pid 455] chdir("./15") = 0 [pid 455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 455] setpgid(0, 0) = 0 executing program [pid 455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 454] <... write resumed>) = 4 [pid 455] write(3, "1000", 4 [pid 454] close(3) = 0 [pid 455] <... write resumed>) = 4 [pid 454] symlink("/dev/binderfs", "./binderfs" [pid 455] close(3) = 0 [pid 455] symlink("/dev/binderfs", "./binderfs") = 0 [pid 453] <... bpf resumed>) = 4 [pid 455] write(1, "executing program\n", 18) = 18 [pid 455] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 454] <... symlink resumed>) = 0 [pid 453] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 454] write(1, "executing program\n", 18 [pid 455] <... bpf resumed>) = 3 [pid 455] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4executing program ) = 0 [pid 455] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 454] <... write resumed>) = 18 [pid 455] <... bpf resumed>) = 4 [pid 454] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 455] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 454] <... bpf resumed>) = 3 [pid 454] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 454] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 443] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 453] <... bpf resumed>) = 5 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 454] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 453] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 455] <... bpf resumed>) = 5 [pid 455] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 455] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 454] <... bpf resumed>) = 5 [pid 453] <... openat resumed>) = 6 [pid 295] <... restart_syscall resumed>) = 0 [pid 455] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 455] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 455] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 455] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 455] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 454] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 453] ioctl(6, PPPIOCNEWUNIT [pid 295] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 453] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 295] <... openat resumed>) = 3 [pid 453] bpf(BPF_PROG_LOAD, NULL, 0 [pid 454] <... openat resumed>) = 6 [pid 295] newfstatat(3, "", [pid 455] exit_group(0 [pid 454] ioctl(6, PPPIOCNEWUNIT [pid 453] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 453] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] getdents64(3, [pid 455] <... exit_group resumed>) = ? [pid 454] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 453] <... bpf resumed>) = 7 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 454] bpf(BPF_PROG_LOAD, NULL, 0 [pid 453] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 454] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 453] <... bpf resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 454] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 453] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] newfstatat(AT_FDCWD, "./13/binderfs", [pid 454] <... bpf resumed>) = 7 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./13/binderfs") = 0 [pid 454] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] getdents64(3, [pid 454] <... bpf resumed>) = 0 [pid 453] <... bpf resumed>) = 8 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 454] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 453] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] close(3) = 0 [pid 295] rmdir("./13" [pid 453] <... bpf resumed>) = 9 [pid 295] <... rmdir resumed>) = 0 [pid 453] exit_group(0 [pid 295] mkdir("./14", 0777 [pid 454] <... bpf resumed>) = 8 [pid 453] <... exit_group resumed>) = ? [pid 447] +++ exited with 0 +++ [pid 295] <... mkdir resumed>) = 0 [pid 454] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 454] exit_group(0) = ? [pid 454] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 457 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=447, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 297] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] unlink("./13/binderfs") = 0 [pid 296] <... openat resumed>) = 3 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] newfstatat(3, "", [pid 297] close(3) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] rmdir("./13") = 0 [pid 296] getdents64(3, [pid 297] mkdir("./14", 0777) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 458 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./14/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./14"./strace-static-x86_64: Process 457 attached [pid 457] set_robust_list(0x55555719e760, 24) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./15", 0777 [pid 457] chdir("./14" [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 457] <... chdir resumed>) = 0 [pid 457] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 459 [pid 457] <... prctl resumed>) = 0 [pid 457] setpgid(0, 0) = 0 [pid 457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 457] write(3, "1000", 4) = 4 [pid 457] close(3) = 0 [pid 457] symlink("/dev/binderfs", "./binderfs" [pid 453] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 457] <... symlink resumed>) = 0 [pid 299] unlink("./13/binderfs"executing program [pid 457] write(1, "executing program\n", 18 [pid 299] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 459 attached ./strace-static-x86_64: Process 458 attached [pid 457] <... write resumed>) = 18 [pid 299] getdents64(3, [pid 457] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 459] set_robust_list(0x55555719e760, 24 [pid 458] set_robust_list(0x55555719e760, 24 [pid 457] <... bpf resumed>) = 3 [pid 299] close(3 [pid 459] <... set_robust_list resumed>) = 0 [pid 458] <... set_robust_list resumed>) = 0 [pid 457] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] <... close resumed>) = 0 [pid 458] chdir("./14" [pid 457] <... bpf resumed>) = 0 [pid 299] rmdir("./13" [pid 459] chdir("./15" [pid 458] <... chdir resumed>) = 0 [pid 457] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... rmdir resumed>) = 0 [pid 459] <... chdir resumed>) = 0 [pid 458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 457] <... bpf resumed>) = 4 [pid 299] mkdir("./14", 0777 [pid 459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 458] <... prctl resumed>) = 0 [pid 457] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] <... mkdir resumed>) = 0 [pid 459] <... prctl resumed>) = 0 [pid 458] setpgid(0, 0 [pid 457] <... bpf resumed>) = 5 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 459] setpgid(0, 0 [pid 458] <... setpgid resumed>) = 0 [pid 457] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 459] <... setpgid resumed>) = 0 [pid 458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 457] <... openat resumed>) = 6 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 460 [pid 459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 457] ioctl(6, PPPIOCNEWUNIT [pid 459] <... openat resumed>) = 3 [pid 458] <... openat resumed>) = 3 [pid 457] <... ioctl resumed>, 0x20001400) = 0 [pid 457] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 457] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 457] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 459] write(3, "1000", 4 [pid 458] write(3, "1000", 4 [pid 457] <... bpf resumed>) = 0 [pid 459] <... write resumed>) = 4 [pid 458] <... write resumed>) = 4 [pid 457] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 459] close(3 [pid 458] close(3 [pid 457] <... bpf resumed>) = 8 [pid 459] <... close resumed>) = 0 [pid 458] <... close resumed>) = 0 [pid 457] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16./strace-static-x86_64: Process 460 attached [pid 459] symlink("/dev/binderfs", "./binderfs" [pid 458] symlink("/dev/binderfs", "./binderfs") = 0 [pid 459] <... symlink resumed>) = 0 [pid 458] write(1, "executing program\n", 18executing program [pid 460] set_robust_list(0x55555719e760, 24 [pid 459] write(1, "executing program\n", 18 [pid 458] <... write resumed>) = 18 executing program [pid 460] <... set_robust_list resumed>) = 0 [pid 459] <... write resumed>) = 18 [pid 458] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 459] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 458] <... bpf resumed>) = 3 [pid 459] <... bpf resumed>) = 3 [pid 458] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 459] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 458] <... bpf resumed>) = 0 [pid 460] chdir("./14" [pid 459] <... bpf resumed>) = 0 [pid 458] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 460] <... chdir resumed>) = 0 [pid 459] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 458] <... bpf resumed>) = 4 [pid 460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 460] setpgid(0, 0) = 0 [pid 459] <... bpf resumed>) = 4 [pid 460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 459] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 458] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 460] <... openat resumed>) = 3 [pid 460] write(3, "1000", 4) = 4 [pid 460] close(3) = 0 [pid 460] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 460] write(1, "executing program\n", 18) = 18 [pid 460] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 459] <... bpf resumed>) = 5 [pid 458] <... bpf resumed>) = 5 [pid 457] <... bpf resumed>) = 9 [pid 455] +++ exited with 0 +++ [pid 460] <... bpf resumed>) = 3 [pid 459] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 458] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 457] exit_group(0 [pid 460] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 459] <... openat resumed>) = 6 [pid 458] <... openat resumed>) = 6 [pid 457] <... exit_group resumed>) = ? [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 460] <... bpf resumed>) = 0 [pid 459] ioctl(6, PPPIOCNEWUNIT [pid 458] ioctl(6, PPPIOCNEWUNIT [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 460] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 458] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 298] <... restart_syscall resumed>) = 0 [pid 460] <... bpf resumed>) = 4 [pid 458] bpf(BPF_PROG_LOAD, NULL, 0 [pid 460] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 458] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 460] <... bpf resumed>) = 5 [pid 458] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 460] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 458] <... bpf resumed>) = 7 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 460] <... openat resumed>) = 6 [pid 458] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 460] ioctl(6, PPPIOCNEWUNIT [pid 458] <... bpf resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 458] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] newfstatat(3, "", [pid 458] <... bpf resumed>) = 8 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 458] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] getdents64(3, [pid 458] <... bpf resumed>) = 9 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 458] exit_group(0 [pid 298] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 458] <... exit_group resumed>) = ? [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 460] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 459] <... ioctl resumed>, 0x20001400) = 0 [pid 458] +++ exited with 0 +++ [pid 298] newfstatat(AT_FDCWD, "./15/binderfs", [pid 460] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 460] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] unlink("./15/binderfs" [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 460] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... unlink resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 460] <... bpf resumed>) = 7 [pid 298] getdents64(3, [pid 460] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 460] <... bpf resumed>) = 0 [pid 298] close(3 [pid 297] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 460] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 459] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... close resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 460] <... bpf resumed>) = 8 [pid 298] rmdir("./15" [pid 297] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 460] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 459] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] <... rmdir resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 460] <... bpf resumed>) = 9 [pid 459] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] mkdir("./16", 0777 [pid 297] newfstatat(3, "", [pid 460] exit_group(0 [pid 459] <... bpf resumed>) = 7 [pid 298] <... mkdir resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 460] <... exit_group resumed>) = ? [pid 459] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] getdents64(3, [pid 460] +++ exited with 0 +++ [pid 459] <... bpf resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 459] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 463 [pid 297] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./14/binderfs", [pid 459] <... bpf resumed>) = 8 [pid 299] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] unlink("./14/binderfs" [pid 459] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... unlink resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 297] getdents64(3, [pid 299] newfstatat(3, "", [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] close(3 [pid 459] <... bpf resumed>) = 9 [pid 299] getdents64(3, [pid 297] <... close resumed>) = 0 [pid 459] exit_group(0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] rmdir("./14" [pid 459] <... exit_group resumed>) = ? [pid 299] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... rmdir resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] mkdir("./15", 0777 [pid 299] newfstatat(AT_FDCWD, "./14/binderfs", [pid 297] <... mkdir resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 464 attached ./strace-static-x86_64: Process 463 attached [pid 299] unlink("./14/binderfs" [pid 464] set_robust_list(0x55555719e760, 24 [pid 463] set_robust_list(0x55555719e760, 24 [pid 464] <... set_robust_list resumed>) = 0 [pid 463] <... set_robust_list resumed>) = 0 [pid 464] chdir("./15" [pid 463] chdir("./16" [pid 299] <... unlink resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 464 [pid 464] <... chdir resumed>) = 0 [pid 463] <... chdir resumed>) = 0 [pid 299] getdents64(3, [pid 464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 463] <... prctl resumed>) = 0 [pid 464] <... prctl resumed>) = 0 [pid 299] close(3 [pid 464] setpgid(0, 0 [pid 463] setpgid(0, 0 [pid 299] <... close resumed>) = 0 [pid 464] <... setpgid resumed>) = 0 [pid 463] <... setpgid resumed>) = 0 [pid 299] rmdir("./14" [pid 464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... rmdir resumed>) = 0 [pid 464] <... openat resumed>) = 3 [pid 463] <... openat resumed>) = 3 [pid 299] mkdir("./15", 0777 [pid 464] write(3, "1000", 4 [pid 463] write(3, "1000", 4 [pid 299] <... mkdir resumed>) = 0 [pid 464] <... write resumed>) = 4 [pid 463] <... write resumed>) = 4 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 464] close(3 [pid 463] close(3 [pid 464] <... close resumed>) = 0 [pid 463] <... close resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 466 ./strace-static-x86_64: Process 466 attached [pid 466] set_robust_list(0x55555719e760, 24) = 0 [pid 464] symlink("/dev/binderfs", "./binderfs" [pid 463] symlink("/dev/binderfs", "./binderfs" [pid 464] <... symlink resumed>) = 0 executing program [pid 463] <... symlink resumed>) = 0 [pid 464] write(1, "executing program\n", 18executing program [pid 463] write(1, "executing program\n", 18 [pid 464] <... write resumed>) = 18 [pid 463] <... write resumed>) = 18 [pid 464] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 463] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 466] chdir("./15" [pid 464] <... bpf resumed>) = 3 [pid 463] <... bpf resumed>) = 3 [pid 464] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 463] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 464] <... bpf resumed>) = 0 [pid 463] <... bpf resumed>) = 0 [pid 464] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 463] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 464] <... bpf resumed>) = 4 [pid 463] <... bpf resumed>) = 4 [pid 464] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 463] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 464] <... bpf resumed>) = 5 [pid 463] <... bpf resumed>) = 5 [pid 464] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 463] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 464] <... openat resumed>) = 6 [pid 463] <... openat resumed>) = 6 [pid 464] ioctl(6, PPPIOCNEWUNIT [pid 463] ioctl(6, PPPIOCNEWUNIT [pid 464] <... ioctl resumed>, 0x20001400) = 0 [pid 463] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 464] bpf(BPF_PROG_LOAD, NULL, 0 [pid 463] bpf(BPF_PROG_LOAD, NULL, 0 [pid 464] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 463] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 464] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 463] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 464] <... bpf resumed>) = 7 [pid 463] <... bpf resumed>) = 7 [pid 464] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 463] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 466] <... chdir resumed>) = 0 [pid 464] <... bpf resumed>) = 0 [pid 463] <... bpf resumed>) = 0 [pid 466] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 464] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 463] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 466] <... prctl resumed>) = 0 [pid 464] <... bpf resumed>) = 8 [pid 463] <... bpf resumed>) = 8 [pid 466] setpgid(0, 0 [pid 464] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 463] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 466] <... setpgid resumed>) = 0 [pid 464] <... bpf resumed>) = 9 [pid 463] <... bpf resumed>) = 9 [pid 466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 464] exit_group(0 [pid 463] exit_group(0 [pid 466] <... openat resumed>) = 3 [pid 464] <... exit_group resumed>) = ? [pid 463] <... exit_group resumed>) = ? [pid 466] write(3, "1000", 4 [pid 463] +++ exited with 0 +++ [pid 466] <... write resumed>) = 4 [pid 466] close(3) = 0 [pid 466] symlink("/dev/binderfs", "./binderfs") = 0 [pid 466] write(1, "executing program\n", 18executing program ) = 18 [pid 466] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 466] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 466] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 466] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 466] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 466] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 466] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 298] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 466] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 457] +++ exited with 0 +++ [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 466] <... bpf resumed>) = 7 [pid 298] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 466] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... openat resumed>) = 3 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 466] <... bpf resumed>) = 0 [pid 298] newfstatat(3, "", [pid 295] <... restart_syscall resumed>) = 0 [pid 466] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 466] <... bpf resumed>) = 8 [pid 298] getdents64(3, [pid 466] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 466] <... bpf resumed>) = 9 [pid 298] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 466] exit_group(0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 466] <... exit_group resumed>) = ? [pid 298] newfstatat(AT_FDCWD, "./16/binderfs", [pid 295] <... openat resumed>) = 3 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(3, "", [pid 298] unlink("./16/binderfs" [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 298] getdents64(3, [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] close(3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... close resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./14/binderfs", [pid 298] rmdir("./16" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 295] unlink("./14/binderfs" [pid 298] mkdir("./17", 0777 [pid 295] <... unlink resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 295] getdents64(3, [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 475 [pid 295] <... close resumed>) = 0 [pid 295] rmdir("./14") = 0 [pid 295] mkdir("./15", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 476 ./strace-static-x86_64: Process 475 attached ./strace-static-x86_64: Process 476 attached [pid 476] set_robust_list(0x55555719e760, 24) = 0 [pid 476] chdir("./15") = 0 [pid 476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 476] setpgid(0, 0) = 0 [pid 476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 475] set_robust_list(0x55555719e760, 24) = 0 [pid 475] chdir("./17") = 0 [pid 475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 475] setpgid(0, 0) = 0 [pid 476] write(3, "1000", 4) = 4 [pid 476] close(3) = 0 [pid 475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 476] symlink("/dev/binderfs", "./binderfs" [pid 475] <... openat resumed>) = 3 [pid 476] <... symlink resumed>) = 0 [pid 475] write(3, "1000", 4 [pid 476] write(1, "executing program\n", 18 [pid 475] <... write resumed>) = 4 executing program [pid 476] <... write resumed>) = 18 [pid 475] close(3 [pid 476] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 475] <... close resumed>) = 0 [pid 476] <... bpf resumed>) = 3 [pid 475] symlink("/dev/binderfs", "./binderfs" [pid 476] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 475] <... symlink resumed>) = 0 executing program [pid 476] <... bpf resumed>) = 0 [pid 475] write(1, "executing program\n", 18 [pid 476] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 475] <... write resumed>) = 18 [pid 476] <... bpf resumed>) = 4 [pid 475] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 459] +++ exited with 0 +++ [pid 476] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 475] <... bpf resumed>) = 3 [pid 475] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=459, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 475] <... bpf resumed>) = 0 [pid 296] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 475] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 475] <... bpf resumed>) = 4 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 475] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./15/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./15") = 0 [pid 296] mkdir("./16", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 479 ./strace-static-x86_64: Process 479 attached [pid 479] set_robust_list(0x55555719e760, 24) = 0 [pid 479] chdir("./16") = 0 [pid 479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 479] setpgid(0, 0) = 0 [pid 479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 479] write(3, "1000", 4) = 4 [pid 479] close(3) = 0 [pid 479] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 479] write(1, "executing program\n", 18) = 18 [pid 479] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 479] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 479] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 479] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 464] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 476] <... bpf resumed>) = 5 [pid 475] <... bpf resumed>) = 5 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 475] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 476] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 479] <... bpf resumed>) = 5 [pid 479] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 475] <... openat resumed>) = 6 [pid 476] <... openat resumed>) = 6 [pid 297] <... restart_syscall resumed>) = 0 [pid 476] ioctl(6, PPPIOCNEWUNIT [pid 475] ioctl(6, PPPIOCNEWUNIT [pid 297] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./15/binderfs" [pid 476] <... ioctl resumed>, 0x20001400) = 0 [pid 297] <... unlink resumed>) = 0 [pid 475] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./15") = 0 [pid 297] mkdir("./16", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 475] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 481 [pid 475] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 479] ioctl(6, PPPIOCNEWUNIT [pid 476] bpf(BPF_PROG_LOAD, NULL, 0 [pid 475] <... bpf resumed>) = 7 [pid 479] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 476] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 475] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 479] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 479] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 476] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 475] <... bpf resumed>) = 0 [pid 479] <... bpf resumed>) = 7 [pid 475] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 476] <... bpf resumed>) = 7 [pid 479] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 479] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 476] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 475] <... bpf resumed>) = 8 [pid 479] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 479] exit_group(0 [pid 476] <... bpf resumed>) = 0 [pid 475] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 479] <... exit_group resumed>) = ? [pid 479] +++ exited with 0 +++ [pid 476] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 475] <... bpf resumed>) = 9 ./strace-static-x86_64: Process 481 attached [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=479, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 481] set_robust_list(0x55555719e760, 24) = 0 [pid 476] <... bpf resumed>) = 8 [pid 481] chdir("./16" [pid 476] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 475] exit_group(0 [pid 296] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 481] <... chdir resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 481] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 481] <... prctl resumed>) = 0 [pid 476] <... bpf resumed>) = 9 [pid 475] <... exit_group resumed>) = ? [pid 296] <... openat resumed>) = 3 [pid 481] setpgid(0, 0 [pid 296] newfstatat(3, "", [pid 481] <... setpgid resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] getdents64(3, [pid 481] <... openat resumed>) = 3 [pid 476] exit_group(0 [pid 475] +++ exited with 0 +++ [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 481] write(3, "1000", 4 [pid 476] <... exit_group resumed>) = ? executing program [pid 296] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 481] <... write resumed>) = 4 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 481] close(3 [pid 298] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./16/binderfs", [pid 481] <... close resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 481] symlink("/dev/binderfs", "./binderfs" [pid 298] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] unlink("./16/binderfs" [pid 481] <... symlink resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 296] <... unlink resumed>) = 0 [pid 481] write(1, "executing program\n", 18 [pid 298] newfstatat(3, "", [pid 296] getdents64(3, [pid 481] <... write resumed>) = 18 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 481] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] getdents64(3, [pid 296] close(3 [pid 481] <... bpf resumed>) = 3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... close resumed>) = 0 [pid 481] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] rmdir("./16" [pid 481] <... bpf resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... rmdir resumed>) = 0 [pid 481] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] newfstatat(AT_FDCWD, "./17/binderfs", [pid 296] mkdir("./17", 0777 [pid 481] <... bpf resumed>) = 4 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 481] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] unlink("./17/binderfs" [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 481] <... bpf resumed>) = 5 [pid 298] <... unlink resumed>) = 0 [pid 481] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] getdents64(3, [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 482 [pid 481] <... openat resumed>) = 6 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 481] ioctl(6, PPPIOCNEWUNIT [pid 298] close(3 [pid 481] <... ioctl resumed>, 0x20001400) = 0 [pid 298] <... close resumed>) = 0 [pid 481] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] rmdir("./17" [pid 481] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] <... rmdir resumed>) = 0 [pid 481] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] mkdir("./18", 0777 [pid 481] <... bpf resumed>) = 7 [pid 298] <... mkdir resumed>) = 0 [pid 481] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 481] <... bpf resumed>) = 0 [pid 481] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 484 [pid 481] <... bpf resumed>) = 8 [pid 481] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 481] exit_group(0) = ? ./strace-static-x86_64: Process 484 attached [pid 484] set_robust_list(0x55555719e760, 24./strace-static-x86_64: Process 482 attached [pid 482] set_robust_list(0x55555719e760, 24) = 0 [pid 482] chdir("./17" [pid 466] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=466, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", [pid 484] <... set_robust_list resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 484] chdir("./18" [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./15/binderfs", [pid 484] <... chdir resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./15/binderfs" [pid 484] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 484] <... prctl resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./15" [pid 484] setpgid(0, 0 [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./16", 0777 [pid 484] <... setpgid resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 482] <... chdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 485 [pid 484] <... openat resumed>) = 3 [pid 482] setpgid(0, 0) = 0 [pid 484] write(3, "1000", 4 [pid 482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 484] <... write resumed>) = 4 [pid 482] <... openat resumed>) = 3 [pid 482] write(3, "1000", 4 [pid 484] close(3 [pid 482] <... write resumed>) = 4 [pid 484] <... close resumed>) = 0 [pid 482] close(3 [pid 484] symlink("/dev/binderfs", "./binderfs" [pid 482] <... close resumed>) = 0 [pid 482] symlink("/dev/binderfs", "./binderfs" [pid 484] <... symlink resumed>) = 0 [pid 482] <... symlink resumed>) = 0 [pid 482] write(1, "executing program\n", 18executing program ) = 18 [pid 484] write(1, "executing program\n", 18 [pid 482] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 482] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 482] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 482] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 482] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 482] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 482] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 482] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 482] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 482] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program ./strace-static-x86_64: Process 485 attached [pid 484] <... write resumed>) = 18 [pid 482] <... bpf resumed>) = 8 [pid 485] set_robust_list(0x55555719e760, 24 [pid 484] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 485] <... set_robust_list resumed>) = 0 [pid 482] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 485] chdir("./16" [pid 484] <... bpf resumed>) = 3 [pid 482] exit_group(0) = ? [pid 485] <... chdir resumed>) = 0 [pid 484] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 484] <... bpf resumed>) = 0 [pid 485] <... prctl resumed>) = 0 [pid 484] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 485] setpgid(0, 0 [pid 484] <... bpf resumed>) = 4 [pid 485] <... setpgid resumed>) = 0 [pid 484] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 484] <... bpf resumed>) = 5 [pid 485] <... openat resumed>) = 3 [pid 484] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 485] write(3, "1000", 4 [pid 484] <... openat resumed>) = 6 [pid 485] <... write resumed>) = 4 [pid 484] ioctl(6, PPPIOCNEWUNIT [pid 485] close(3 [pid 484] <... ioctl resumed>, 0x20001400) = 0 [pid 485] <... close resumed>) = 0 [pid 484] bpf(BPF_PROG_LOAD, NULL, 0 [pid 485] symlink("/dev/binderfs", "./binderfs" [pid 484] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 485] <... symlink resumed>) = 0 [pid 484] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 485] write(1, "executing program\n", 18executing program [pid 484] <... bpf resumed>) = 7 [pid 485] <... write resumed>) = 18 [pid 484] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 485] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 484] <... bpf resumed>) = 0 [pid 485] <... bpf resumed>) = 3 [pid 484] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 485] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 484] <... bpf resumed>) = 8 [pid 485] <... bpf resumed>) = 0 [pid 484] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 485] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 484] <... bpf resumed>) = 9 [pid 485] <... bpf resumed>) = 4 [pid 484] exit_group(0 [pid 485] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 484] <... exit_group resumed>) = ? [pid 485] <... bpf resumed>) = 5 [pid 485] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 485] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 485] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 485] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 485] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 485] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 485] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 485] exit_group(0) = ? [pid 481] +++ exited with 0 +++ [pid 476] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=476, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 297] <... restart_syscall resumed>) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 297] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... openat resumed>) = 3 [pid 295] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] newfstatat(3, "", [pid 295] <... openat resumed>) = 3 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] newfstatat(3, "", [pid 297] getdents64(3, [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] getdents64(3, [pid 297] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] newfstatat(AT_FDCWD, "./16/binderfs", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./15/binderfs", [pid 297] unlink("./16/binderfs" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] unlink("./15/binderfs" [pid 297] getdents64(3, [pid 295] <... unlink resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] getdents64(3, [pid 297] close(3 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... close resumed>) = 0 [pid 295] close(3 [pid 297] rmdir("./16" [pid 295] <... close resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 295] rmdir("./15" [pid 297] mkdir("./17", 0777 [pid 295] <... rmdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 295] mkdir("./16", 0777 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 490 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 491 ./strace-static-x86_64: Process 491 attached [pid 491] set_robust_list(0x55555719e760, 24) = 0 [pid 491] chdir("./16") = 0 [pid 491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 491] setpgid(0, 0) = 0 [pid 491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 491] write(3, "1000", 4) = 4 [pid 491] close(3) = 0 [pid 491] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 491] write(1, "executing program\n", 18) = 18 [pid 491] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 491] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 491] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 491] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 491] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 491] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 490 attached [pid 490] set_robust_list(0x55555719e760, 24) = 0 [pid 490] chdir("./17") = 0 [pid 490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 490] setpgid(0, 0) = 0 [pid 490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 490] write(3, "1000", 4) = 4 [pid 490] close(3) = 0 [pid 490] symlink("/dev/binderfs", "./binderfs") = 0 [pid 490] write(1, "executing program\n", 18executing program ) = 18 [pid 490] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 484] +++ exited with 0 +++ [pid 482] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 298] <... restart_syscall resumed>) = 0 [pid 490] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] <... restart_syscall resumed>) = 0 [pid 490] <... bpf resumed>) = 0 [pid 298] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 490] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... openat resumed>) = 3 [pid 296] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", [pid 296] newfstatat(3, "", [pid 490] <... bpf resumed>) = 4 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 490] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] getdents64(3, [pid 296] getdents64(3, [pid 490] <... bpf resumed>) = 5 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 490] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 491] <... ioctl resumed>, 0x20001400) = 0 [pid 490] <... openat resumed>) = 6 [pid 298] newfstatat(AT_FDCWD, "./18/binderfs", [pid 296] newfstatat(AT_FDCWD, "./17/binderfs", [pid 491] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 491] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 490] ioctl(6, PPPIOCNEWUNIT [pid 298] unlink("./18/binderfs" [pid 296] unlink("./17/binderfs" [pid 491] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 490] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 298] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 491] <... bpf resumed>) = 7 [pid 490] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] getdents64(3, [pid 296] getdents64(3, [pid 491] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 490] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 491] <... bpf resumed>) = 0 [pid 490] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] close(3 [pid 296] close(3 [pid 491] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 491] <... bpf resumed>) = 8 [pid 490] <... bpf resumed>) = 7 [pid 298] rmdir("./18" [pid 296] rmdir("./17" [pid 491] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 490] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... rmdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 491] <... bpf resumed>) = 9 [pid 490] <... bpf resumed>) = 0 [pid 298] mkdir("./19", 0777 [pid 296] mkdir("./18", 0777 [pid 491] exit_group(0 [pid 490] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... mkdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 491] <... exit_group resumed>) = ? [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 490] <... bpf resumed>) = 8 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 495 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 497 [pid 490] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 ./strace-static-x86_64: Process 497 attached [pid 497] set_robust_list(0x55555719e760, 24) = 0 [pid 490] exit_group(0) = ? [pid 490] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 497] chdir("./18") = 0 [pid 497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 497] setpgid(0, 0) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 297] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, ./strace-static-x86_64: Process 495 attached 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 495] set_robust_list(0x55555719e760, 24 [pid 297] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./17/binderfs", [pid 495] <... set_robust_list resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./17/binderfs" [pid 495] chdir("./19" [pid 297] <... unlink resumed>) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./17" [pid 495] <... chdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./18", 0777 [pid 495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 495] <... prctl resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 499 [pid 495] setpgid(0, 0) = 0 [pid 497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 497] write(3, "1000", 4 [pid 495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 497] <... write resumed>) = 4 [pid 495] <... openat resumed>) = 3 [pid 497] close(3) = 0 [pid 497] symlink("/dev/binderfs", "./binderfs") = 0 [pid 495] write(3, "1000", 4 executing program [pid 497] write(1, "executing program\n", 18) = 18 [pid 497] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 495] <... write resumed>) = 4 [pid 497] <... bpf resumed>) = 3 [pid 495] close(3 [pid 497] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 497] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 495] <... close resumed>) = 0 [pid 497] <... bpf resumed>) = 4 [pid 495] symlink("/dev/binderfs", "./binderfs" [pid 497] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 495] <... symlink resumed>) = 0 [pid 497] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 495] write(1, "executing program\n", 18executing program [pid 497] <... openat resumed>) = 6 [pid 497] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 499 attached [pid 495] <... write resumed>) = 18 [pid 495] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 499] set_robust_list(0x55555719e760, 24 [pid 495] <... bpf resumed>) = 3 [pid 485] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 497] <... ioctl resumed>, 0x20001400) = 0 [pid 499] <... set_robust_list resumed>) = 0 [pid 495] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 497] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 497] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 499] chdir("./18" [pid 495] <... bpf resumed>) = 0 [pid 497] <... bpf resumed>) = 7 [pid 497] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 497] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 499] <... chdir resumed>) = 0 [pid 495] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 497] <... bpf resumed>) = 8 [pid 495] <... bpf resumed>) = 4 [pid 499] <... prctl resumed>) = 0 [pid 497] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 495] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 499] setpgid(0, 0 [pid 497] <... bpf resumed>) = 9 [pid 299] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 495] <... bpf resumed>) = 5 [pid 499] <... setpgid resumed>) = 0 [pid 497] exit_group(0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 497] <... exit_group resumed>) = ? [pid 299] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 495] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] <... openat resumed>) = 3 [pid 499] <... openat resumed>) = 3 [pid 495] <... openat resumed>) = 6 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 499] write(3, "1000", 4 [pid 495] ioctl(6, PPPIOCNEWUNIT [pid 299] getdents64(3, [pid 499] <... write resumed>) = 4 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./16/binderfs" [pid 499] close(3 [pid 495] <... ioctl resumed>, 0x20001400) = 0 [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 499] <... close resumed>) = 0 [pid 495] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] close(3 [pid 499] symlink("/dev/binderfs", "./binderfs" [pid 299] <... close resumed>) = 0 [pid 495] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] rmdir("./16" [pid 499] <... symlink resumed>) = 0 [pid 495] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... rmdir resumed>) = 0 [pid 499] write(1, "executing program\n", 18 [pid 299] mkdir("./17", 0777executing program [pid 499] <... write resumed>) = 18 [pid 495] <... bpf resumed>) = 7 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 499] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 495] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 502 [pid 499] <... bpf resumed>) = 3 [pid 495] <... bpf resumed>) = 0 [pid 499] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 495] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 499] <... bpf resumed>) = 0 ./strace-static-x86_64: Process 502 attached [pid 502] set_robust_list(0x55555719e760, 24) = 0 [pid 502] chdir("./17") = 0 [pid 502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 502] setpgid(0, 0) = 0 [pid 502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 499] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 495] <... bpf resumed>) = 8 [pid 499] <... bpf resumed>) = 4 [pid 495] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 502] <... openat resumed>) = 3 [pid 502] write(3, "1000", 4) = 4 [pid 502] close(3 [pid 499] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 495] <... bpf resumed>) = 9 [pid 502] <... close resumed>) = 0 [pid 499] <... bpf resumed>) = 5 [pid 495] exit_group(0 [pid 499] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 495] <... exit_group resumed>) = ? executing program [pid 502] symlink("/dev/binderfs", "./binderfs" [pid 499] <... openat resumed>) = 6 [pid 502] <... symlink resumed>) = 0 [pid 502] write(1, "executing program\n", 18) = 18 [pid 499] ioctl(6, PPPIOCNEWUNIT [pid 502] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 502] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 502] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 499] <... ioctl resumed>, 0x20001400) = 0 [pid 491] +++ exited with 0 +++ [pid 499] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=491, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 295] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 499] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 499] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 499] <... bpf resumed>) = 7 [pid 295] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 499] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./16/binderfs", [pid 499] <... bpf resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./16/binderfs" [pid 499] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 502] <... bpf resumed>) = 4 [pid 499] <... bpf resumed>) = 8 [pid 295] close(3) = 0 [pid 499] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] rmdir("./16" [pid 502] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 499] <... bpf resumed>) = 9 [pid 295] <... rmdir resumed>) = 0 [pid 502] <... bpf resumed>) = 5 [pid 295] mkdir("./17", 0777 [pid 502] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 499] exit_group(0 [pid 295] <... mkdir resumed>) = 0 [pid 502] <... openat resumed>) = 6 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 502] ioctl(6, PPPIOCNEWUNIT [pid 499] <... exit_group resumed>) = ? [pid 502] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 504 [pid 502] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 502] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 502] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 502] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 502] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 ./strace-static-x86_64: Process 504 attached [pid 502] exit_group(0 [pid 504] set_robust_list(0x55555719e760, 24 [pid 502] <... exit_group resumed>) = ? [pid 504] <... set_robust_list resumed>) = 0 [pid 502] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 504] chdir("./17" [pid 299] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 504] <... chdir resumed>) = 0 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 504] <... prctl resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./17/binderfs", [pid 504] setpgid(0, 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./17/binderfs" [pid 504] <... setpgid resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./17" [pid 504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./18", 0777 [pid 504] <... openat resumed>) = 3 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 504] write(3, "1000", 4 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 506 ./strace-static-x86_64: Process 506 attached [pid 504] <... write resumed>) = 4 [pid 504] close(3 [pid 506] set_robust_list(0x55555719e760, 24 [pid 504] <... close resumed>) = 0 [pid 506] <... set_robust_list resumed>) = 0 [pid 504] symlink("/dev/binderfs", "./binderfs" [pid 506] chdir("./18" [pid 504] <... symlink resumed>) = 0 [pid 506] <... chdir resumed>) = 0 executing program [pid 504] write(1, "executing program\n", 18 [pid 506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 504] <... write resumed>) = 18 [pid 506] <... prctl resumed>) = 0 [pid 504] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 506] setpgid(0, 0 [pid 504] <... bpf resumed>) = 3 [pid 506] <... setpgid resumed>) = 0 [pid 504] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 504] <... bpf resumed>) = 0 [pid 506] <... openat resumed>) = 3 [pid 504] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 506] write(3, "1000", 4 [pid 504] <... bpf resumed>) = 4 [pid 506] <... write resumed>) = 4 [pid 504] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 506] close(3 [pid 504] <... bpf resumed>) = 5 [pid 506] <... close resumed>) = 0 [pid 504] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 506] symlink("/dev/binderfs", "./binderfs" [pid 504] <... openat resumed>) = 6 [pid 506] <... symlink resumed>) = 0 [pid 504] ioctl(6, PPPIOCNEWUNIT [pid 506] write(1, "executing program\n", 18 executing program [pid 504] <... ioctl resumed>, 0x20001400) = 0 [pid 506] <... write resumed>) = 18 [pid 504] bpf(BPF_PROG_LOAD, NULL, 0 [pid 506] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 504] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 506] <... bpf resumed>) = 3 [pid 504] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 506] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 504] <... bpf resumed>) = 7 [pid 506] <... bpf resumed>) = 0 [pid 504] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 506] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 504] <... bpf resumed>) = 0 [pid 506] <... bpf resumed>) = 4 [pid 504] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 506] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 504] <... bpf resumed>) = 8 [pid 506] <... bpf resumed>) = 5 [pid 504] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 506] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 504] <... bpf resumed>) = 9 [pid 506] <... openat resumed>) = 6 [pid 504] exit_group(0 [pid 506] ioctl(6, PPPIOCNEWUNIT [pid 504] <... exit_group resumed>) = ? [pid 506] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 506] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 506] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 497] +++ exited with 0 +++ [pid 495] +++ exited with 0 +++ [pid 506] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 506] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=495, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 296] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 506] <... bpf resumed>) = 8 [pid 506] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 296] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 506] exit_group(0 [pid 298] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 506] <... exit_group resumed>) = ? [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 506] +++ exited with 0 +++ [pid 298] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... openat resumed>) = 3 [pid 296] <... openat resumed>) = 3 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 298] newfstatat(3, "", [pid 296] newfstatat(3, "", [pid 299] <... restart_syscall resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 296] getdents64(3, [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] newfstatat(AT_FDCWD, "./19/binderfs", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... openat resumed>) = 3 [pid 296] newfstatat(AT_FDCWD, "./18/binderfs", [pid 299] newfstatat(3, "", [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] unlink("./19/binderfs" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] getdents64(3, [pid 298] <... unlink resumed>) = 0 [pid 296] unlink("./18/binderfs" [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] getdents64(3, [pid 296] <... unlink resumed>) = 0 [pid 299] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] getdents64(3, [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] close(3 [pid 299] newfstatat(AT_FDCWD, "./18/binderfs", [pid 298] <... close resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] rmdir("./19" [pid 296] close(3 [pid 299] unlink("./18/binderfs" [pid 296] <... close resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 296] rmdir("./18" [pid 299] getdents64(3, [pid 298] mkdir("./20", 0777 [pid 296] <... rmdir resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 296] mkdir("./19", 0777 [pid 299] close(3 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... mkdir resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] rmdir("./18" [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 508 [pid 299] <... rmdir resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 509 [pid 299] mkdir("./19", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 510 ./strace-static-x86_64: Process 509 attached [pid 509] set_robust_list(0x55555719e760, 24) = 0 [pid 509] chdir("./19") = 0 [pid 509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 509] setpgid(0, 0) = 0 [pid 509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 509] write(3, "1000", 4) = 4 [pid 509] close(3) = 0 [pid 509] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 509] write(1, "executing program\n", 18) = 18 ./strace-static-x86_64: Process 510 attached ./strace-static-x86_64: Process 508 attached [pid 510] set_robust_list(0x55555719e760, 24) = 0 [pid 509] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 508] set_robust_list(0x55555719e760, 24) = 0 [pid 509] <... bpf resumed>) = 3 [pid 509] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 510] chdir("./19" [pid 508] chdir("./20" [pid 509] <... bpf resumed>) = 0 [pid 510] <... chdir resumed>) = 0 [pid 510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 509] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 510] <... prctl resumed>) = 0 [pid 508] <... chdir resumed>) = 0 [pid 510] setpgid(0, 0 [pid 508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 510] <... setpgid resumed>) = 0 [pid 509] <... bpf resumed>) = 4 [pid 508] <... prctl resumed>) = 0 [pid 510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 508] setpgid(0, 0 [pid 510] <... openat resumed>) = 3 [pid 508] <... setpgid resumed>) = 0 [pid 510] write(3, "1000", 4 [pid 508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 510] <... write resumed>) = 4 [pid 508] <... openat resumed>) = 3 [pid 510] close(3 [pid 508] write(3, "1000", 4 [pid 510] <... close resumed>) = 0 [pid 508] <... write resumed>) = 4 [pid 510] symlink("/dev/binderfs", "./binderfs" [pid 508] close(3 [pid 510] <... symlink resumed>) = 0 [pid 509] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 508] <... close resumed>) = 0 [pid 510] write(1, "executing program\n", 18 [pid 509] <... bpf resumed>) = 5 [pid 508] symlink("/dev/binderfs", "./binderfs"executing program [pid 510] <... write resumed>) = 18 [pid 509] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 508] <... symlink resumed>) = 0 [pid 510] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 executing program [pid 509] <... openat resumed>) = 6 [pid 508] write(1, "executing program\n", 18 [pid 510] <... bpf resumed>) = 3 [pid 509] ioctl(6, PPPIOCNEWUNIT [pid 508] <... write resumed>) = 18 [pid 510] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 508] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 510] <... bpf resumed>) = 0 [pid 508] <... bpf resumed>) = 3 [pid 510] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 508] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 510] <... bpf resumed>) = 4 [pid 508] <... bpf resumed>) = 0 [pid 510] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 508] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 510] <... bpf resumed>) = 5 [pid 508] <... bpf resumed>) = 4 [pid 510] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 508] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 510] <... openat resumed>) = 6 [pid 508] <... bpf resumed>) = 5 [pid 510] ioctl(6, PPPIOCNEWUNIT [pid 508] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 508] ioctl(6, PPPIOCNEWUNIT [pid 510] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 509] <... ioctl resumed>, 0x20001400) = 0 [pid 508] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 499] +++ exited with 0 +++ [pid 510] bpf(BPF_PROG_LOAD, NULL, 0 [pid 509] bpf(BPF_PROG_LOAD, NULL, 0 [pid 508] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 510] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 509] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 508] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 510] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 509] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 508] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 510] <... bpf resumed>) = 7 [pid 509] <... bpf resumed>) = 7 [pid 508] <... bpf resumed>) = 7 [pid 297] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 510] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 509] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 508] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 510] <... bpf resumed>) = 0 [pid 509] <... bpf resumed>) = 0 [pid 508] <... bpf resumed>) = 0 [pid 297] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 510] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 509] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 508] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... openat resumed>) = 3 [pid 510] <... bpf resumed>) = 8 [pid 509] <... bpf resumed>) = 8 [pid 508] <... bpf resumed>) = 8 [pid 297] newfstatat(3, "", [pid 510] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 509] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 508] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 510] <... bpf resumed>) = 9 [pid 509] <... bpf resumed>) = 9 [pid 508] <... bpf resumed>) = 9 [pid 297] getdents64(3, [pid 510] exit_group(0 [pid 509] exit_group(0 [pid 508] exit_group(0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 510] <... exit_group resumed>) = ? [pid 509] <... exit_group resumed>) = ? [pid 508] <... exit_group resumed>) = ? [pid 297] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 510] +++ exited with 0 +++ [pid 508] +++ exited with 0 +++ [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=508, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./18/binderfs" [pid 299] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... unlink resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, [pid 299] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... openat resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 297] close(3 [pid 299] newfstatat(3, "", [pid 298] newfstatat(3, "", [pid 297] <... close resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] rmdir("./18" [pid 299] getdents64(3, [pid 298] getdents64(3, [pid 297] <... rmdir resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] mkdir("./19", 0777 [pid 299] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... mkdir resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] newfstatat(AT_FDCWD, "./19/binderfs", [pid 298] newfstatat(AT_FDCWD, "./20/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 515 [pid 299] unlink("./19/binderfs" [pid 298] unlink("./20/binderfs" [pid 299] <... unlink resumed>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 298] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 298] close(3 [pid 299] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 299] rmdir("./19" [pid 298] rmdir("./20" [pid 299] <... rmdir resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 299] mkdir("./20", 0777 [pid 298] mkdir("./21", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 515 attached [pid 515] set_robust_list(0x55555719e760, 24 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 517 [pid 515] <... set_robust_list resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 518 [pid 515] chdir("./19") = 0 [pid 515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 515] setpgid(0, 0) = 0 [pid 515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 518 attached ) = 3 [pid 518] set_robust_list(0x55555719e760, 24 [pid 515] write(3, "1000", 4 [pid 518] <... set_robust_list resumed>) = 0 [pid 515] <... write resumed>) = 4 [pid 518] chdir("./21" [pid 515] close(3 [pid 518] <... chdir resumed>) = 0 [pid 518] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 515] <... close resumed>) = 0 [pid 518] <... prctl resumed>) = 0 [pid 515] symlink("/dev/binderfs", "./binderfs" [pid 518] setpgid(0, 0 [pid 515] <... symlink resumed>) = 0 [pid 518] <... setpgid resumed>) = 0 [pid 515] write(1, "executing program\n", 18executing program ) = 18 [pid 518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 515] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 518] <... openat resumed>) = 3 [pid 518] write(3, "1000", 4 [pid 515] <... bpf resumed>) = 3 [pid 518] <... write resumed>) = 4 [pid 518] close(3 [pid 515] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 518] <... close resumed>) = 0 [pid 515] <... bpf resumed>) = 0 [pid 518] symlink("/dev/binderfs", "./binderfs" [pid 515] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 518] <... symlink resumed>) = 0 [pid 515] <... bpf resumed>) = 4 [pid 518] write(1, "executing program\n", 18executing program ) = 18 [pid 515] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 518] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 515] <... bpf resumed>) = 5 [pid 518] <... bpf resumed>) = 3 [pid 515] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 518] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 515] <... openat resumed>) = 6 [pid 518] <... bpf resumed>) = 0 [pid 515] ioctl(6, PPPIOCNEWUNIT [pid 518] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 517 attached [pid 517] set_robust_list(0x55555719e760, 24) = 0 [pid 517] chdir("./20") = 0 [pid 517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 517] setpgid(0, 0) = 0 [pid 517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 517] write(3, "1000", 4) = 4 [pid 515] <... ioctl resumed>, 0x20001400) = 0 [pid 517] close(3 [pid 515] bpf(BPF_PROG_LOAD, NULL, 0 [pid 517] <... close resumed>) = 0 [pid 515] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 518] <... bpf resumed>) = 4 [pid 517] symlink("/dev/binderfs", "./binderfs" [pid 515] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 517] <... symlink resumed>) = 0 [pid 515] <... bpf resumed>) = 7 [pid 517] write(1, "executing program\n", 18 [pid 515] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4executing program [pid 518] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 517] <... write resumed>) = 18 [pid 515] <... bpf resumed>) = 0 [pid 517] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 515] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 518] <... bpf resumed>) = 5 [pid 517] <... bpf resumed>) = 3 [pid 515] <... bpf resumed>) = 8 [pid 518] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 517] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 515] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 504] +++ exited with 0 +++ [pid 518] <... openat resumed>) = 6 [pid 517] <... bpf resumed>) = 0 [pid 515] <... bpf resumed>) = 9 [pid 518] ioctl(6, PPPIOCNEWUNIT [pid 517] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 515] exit_group(0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=504, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 518] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 517] <... bpf resumed>) = 4 [pid 515] <... exit_group resumed>) = ? [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 518] bpf(BPF_PROG_LOAD, NULL, 0 [pid 517] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 517] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 517] ioctl(6, PPPIOCNEWUNIT [pid 518] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] <... restart_syscall resumed>) = 0 [pid 517] <... ioctl resumed>, 0x20001400) = 0 [pid 518] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 517] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 518] <... bpf resumed>) = 7 [pid 518] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 517] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 517] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 517] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 518] <... bpf resumed>) = 0 [pid 295] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 517] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 518] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 517] <... bpf resumed>) = 9 [pid 517] exit_group(0) = ? [pid 518] <... bpf resumed>) = 8 [pid 295] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 518] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", [pid 518] <... bpf resumed>) = 9 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 518] exit_group(0 [pid 295] getdents64(3, [pid 518] <... exit_group resumed>) = ? [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 518] +++ exited with 0 +++ [pid 295] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 295] newfstatat(AT_FDCWD, "./17/binderfs", [pid 298] <... restart_syscall resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./17/binderfs") = 0 [pid 298] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] close(3 [pid 298] <... openat resumed>) = 3 [pid 295] <... close resumed>) = 0 [pid 298] newfstatat(3, "", [pid 295] rmdir("./17" [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 298] getdents64(3, [pid 295] mkdir("./18", 0777 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... mkdir resumed>) = 0 [pid 298] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./21/binderfs", [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 523 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./21/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./21") = 0 [pid 298] mkdir("./22", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 524 ./strace-static-x86_64: Process 524 attached ./strace-static-x86_64: Process 523 attached [pid 524] set_robust_list(0x55555719e760, 24) = 0 [pid 523] set_robust_list(0x55555719e760, 24) = 0 [pid 523] chdir("./18") = 0 [pid 523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 524] chdir("./22") = 0 [pid 523] setpgid(0, 0 [pid 524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 524] setpgid(0, 0) = 0 [pid 523] <... setpgid resumed>) = 0 [pid 523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 523] <... openat resumed>) = 3 [pid 524] <... openat resumed>) = 3 [pid 524] write(3, "1000", 4) = 4 [pid 523] write(3, "1000", 4 [pid 524] close(3) = 0 [pid 524] symlink("/dev/binderfs", "./binderfs" [pid 523] <... write resumed>) = 4 [pid 523] close(3) = 0 [pid 523] symlink("/dev/binderfs", "./binderfs") = 0 [pid 524] <... symlink resumed>) = 0 [pid 524] write(1, "executing program\n", 18executing program ) = 18 [pid 524] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 executing program [pid 523] write(1, "executing program\n", 18) = 18 [pid 523] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 524] <... bpf resumed>) = 3 [pid 523] <... bpf resumed>) = 3 [pid 524] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 524] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 523] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 523] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 524] <... bpf resumed>) = 4 [pid 523] <... bpf resumed>) = 4 [pid 524] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 524] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 523] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 523] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 523] ioctl(6, PPPIOCNEWUNIT [pid 524] ioctl(6, PPPIOCNEWUNIT [pid 509] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=509, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 524] <... ioctl resumed>, 0x20001400) = 0 [pid 524] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 524] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 523] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 523] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 523] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 523] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 523] <... bpf resumed>) = 7 [pid 296] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 523] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] getdents64(3, [pid 523] <... bpf resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 524] <... bpf resumed>) = 7 [pid 523] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 524] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] newfstatat(AT_FDCWD, "./19/binderfs", [pid 524] <... bpf resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 524] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] unlink("./19/binderfs" [pid 524] <... bpf resumed>) = 8 [pid 523] <... bpf resumed>) = 8 [pid 296] <... unlink resumed>) = 0 [pid 524] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] getdents64(3, [pid 524] <... bpf resumed>) = 9 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 524] exit_group(0 [pid 523] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] close(3 [pid 524] <... exit_group resumed>) = ? [pid 296] <... close resumed>) = 0 [pid 523] <... bpf resumed>) = 9 [pid 296] rmdir("./19" [pid 523] exit_group(0 [pid 296] <... rmdir resumed>) = 0 [pid 523] <... exit_group resumed>) = ? [pid 296] mkdir("./20", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 527 [pid 523] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./18/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./18"./strace-static-x86_64: Process 527 attached ) = 0 [pid 295] mkdir("./19", 0777 [pid 527] set_robust_list(0x55555719e760, 24 [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 527] <... set_robust_list resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 529 [pid 527] chdir("./20"./strace-static-x86_64: Process 529 attached ) = 0 [pid 529] set_robust_list(0x55555719e760, 24 [pid 527] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 529] <... set_robust_list resumed>) = 0 [pid 527] <... prctl resumed>) = 0 [pid 529] chdir("./19" [pid 527] setpgid(0, 0 [pid 529] <... chdir resumed>) = 0 [pid 527] <... setpgid resumed>) = 0 [pid 529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 529] <... prctl resumed>) = 0 [pid 527] <... openat resumed>) = 3 [pid 529] setpgid(0, 0 [pid 527] write(3, "1000", 4 [pid 529] <... setpgid resumed>) = 0 [pid 527] <... write resumed>) = 4 [pid 529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 527] close(3 [pid 529] <... openat resumed>) = 3 [pid 527] <... close resumed>) = 0 [pid 529] write(3, "1000", 4 [pid 527] symlink("/dev/binderfs", "./binderfs" [pid 529] <... write resumed>) = 4 [pid 527] <... symlink resumed>) = 0 [pid 529] close(3 [pid 527] write(1, "executing program\n", 18executing program [pid 529] <... close resumed>) = 0 [pid 527] <... write resumed>) = 18 [pid 529] symlink("/dev/binderfs", "./binderfs" [pid 527] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 529] <... symlink resumed>) = 0 [pid 527] <... bpf resumed>) = 3 [pid 529] write(1, "executing program\n", 18 executing program [pid 527] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 529] <... write resumed>) = 18 [pid 527] <... bpf resumed>) = 0 [pid 529] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 527] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 529] <... bpf resumed>) = 3 [pid 527] <... bpf resumed>) = 4 [pid 529] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 527] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 529] <... bpf resumed>) = 0 [pid 527] <... bpf resumed>) = 5 [pid 515] +++ exited with 0 +++ [pid 517] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=517, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 527] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 299] <... restart_syscall resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 527] ioctl(6, PPPIOCNEWUNIT [pid 529] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 529] <... bpf resumed>) = 4 [pid 527] <... ioctl resumed>, 0x20001400) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 529] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 527] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] <... openat resumed>) = 3 [pid 297] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 297] newfstatat(3, "", [pid 529] <... bpf resumed>) = 5 [pid 527] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 297] getdents64(3, [pid 529] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 527] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 529] <... openat resumed>) = 6 [pid 299] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 529] ioctl(6, PPPIOCNEWUNIT [pid 527] <... bpf resumed>) = 7 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./20/binderfs", [pid 297] newfstatat(AT_FDCWD, "./19/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 529] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 527] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] unlink("./20/binderfs" [pid 297] unlink("./19/binderfs" [pid 529] bpf(BPF_PROG_LOAD, NULL, 0 [pid 527] <... bpf resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 297] getdents64(3, [pid 529] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 527] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 529] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] close(3 [pid 297] close(3 [pid 299] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 299] rmdir("./20" [pid 297] rmdir("./19" [pid 529] <... bpf resumed>) = 7 [pid 527] <... bpf resumed>) = 8 [pid 299] <... rmdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 299] mkdir("./21", 0777 [pid 297] mkdir("./20", 0777 [pid 529] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 527] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... mkdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 529] <... bpf resumed>) = 0 [pid 527] <... bpf resumed>) = 9 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 531 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 532 [pid 529] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 527] exit_group(0./strace-static-x86_64: Process 532 attached [pid 532] set_robust_list(0x55555719e760, 24 [pid 529] <... bpf resumed>) = 8 [pid 527] <... exit_group resumed>) = ? [pid 532] <... set_robust_list resumed>) = 0 [pid 532] chdir("./20") = 0 [pid 529] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 529] <... bpf resumed>) = 9 [pid 529] exit_group(0 [pid 532] setpgid(0, 0) = 0 [pid 532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 529] <... exit_group resumed>) = ? [pid 529] +++ exited with 0 +++ ./strace-static-x86_64: Process 531 attached [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 531] set_robust_list(0x55555719e760, 24 [pid 295] umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW [pid 531] <... set_robust_list resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 532] <... openat resumed>) = 3 [pid 295] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 532] write(3, "1000", 4 [pid 295] <... openat resumed>) = 3 [pid 532] <... write resumed>) = 4 [pid 295] newfstatat(3, "", [pid 532] close(3 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 532] <... close resumed>) = 0 [pid 295] getdents64(3, [pid 532] symlink("/dev/binderfs", "./binderfs" [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 532] <... symlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 532] write(1, "executing program\n", 18 [pid 531] chdir("./21") = 0 [pid 531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 531] setpgid(0, 0) = 0 [pid 531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 531] write(3, "1000", 4) = 4 [pid 531] close(3) = 0 [pid 531] symlink("/dev/binderfs", "./binderfs") = 0 [pid 531] write(1, "executing program\n", 18executing program ) = 18 executing program [pid 532] <... write resumed>) = 18 [pid 531] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./19/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./19") = 0 [pid 295] mkdir("./20", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 534 [pid 532] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 531] <... bpf resumed>) = 3 [pid 532] <... bpf resumed>) = 3 [pid 531] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 532] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 531] <... bpf resumed>) = 0 ./strace-static-x86_64: Process 534 attached [pid 534] set_robust_list(0x55555719e760, 24) = 0 [pid 534] chdir("./20" [pid 532] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 531] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 534] <... chdir resumed>) = 0 [pid 534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 532] <... bpf resumed>) = 4 [pid 534] setpgid(0, 0 [pid 532] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 531] <... bpf resumed>) = 4 [pid 534] <... setpgid resumed>) = 0 [pid 534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 534] write(3, "1000", 4 [pid 531] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 534] <... write resumed>) = 4 [pid 534] close(3) = 0 [pid 534] symlink("/dev/binderfs", "./binderfs") = 0 [pid 534] write(1, "executing program\n", 18executing program ) = 18 [pid 534] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 534] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 534] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 534] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 524] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 532] <... bpf resumed>) = 5 [pid 532] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 531] <... bpf resumed>) = 5 [pid 532] <... openat resumed>) = 6 [pid 531] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 532] ioctl(6, PPPIOCNEWUNIT [pid 531] <... openat resumed>) = 6 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 534] <... bpf resumed>) = 5 [pid 534] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 298] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 534] ioctl(6, PPPIOCNEWUNIT [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./22/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./22") = 0 [pid 298] mkdir("./23", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 536 [pid 531] ioctl(6, PPPIOCNEWUNIT [pid 532] <... ioctl resumed>, 0x20001400) = 0 ./strace-static-x86_64: Process 536 attached [pid 534] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 532] bpf(BPF_PROG_LOAD, NULL, 0 [pid 531] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 536] set_robust_list(0x55555719e760, 24 [pid 534] bpf(BPF_PROG_LOAD, NULL, 0 [pid 532] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 531] bpf(BPF_PROG_LOAD, NULL, 0 [pid 536] <... set_robust_list resumed>) = 0 [pid 532] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 531] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 532] <... bpf resumed>) = 7 [pid 532] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 531] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 536] chdir("./23" [pid 532] <... bpf resumed>) = 0 [pid 531] <... bpf resumed>) = 7 [pid 532] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 531] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 536] <... chdir resumed>) = 0 [pid 534] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 532] <... bpf resumed>) = 8 [pid 531] <... bpf resumed>) = 0 [pid 536] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 532] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 531] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 536] <... prctl resumed>) = 0 [pid 532] <... bpf resumed>) = 9 [pid 534] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 531] <... bpf resumed>) = 8 [pid 536] setpgid(0, 0 [pid 534] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 532] exit_group(0 [pid 531] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 536] <... setpgid resumed>) = 0 [pid 534] <... bpf resumed>) = 0 [pid 532] <... exit_group resumed>) = ? [pid 531] <... bpf resumed>) = 9 [pid 534] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 534] <... bpf resumed>) = 8 [pid 531] exit_group(0) = ? [pid 534] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 534] exit_group(0) = ? [pid 531] +++ exited with 0 +++ [pid 536] <... openat resumed>) = 3 [pid 534] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=531, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 299] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 536] write(3, "1000", 4 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./21/binderfs") = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./21") = 0 [pid 299] mkdir("./22", 0777 [pid 295] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 536] <... write resumed>) = 4 [pid 295] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 536] close(3 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 538 [pid 536] <... close resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 536] symlink("/dev/binderfs", "./binderfs" [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 536] <... symlink resumed>) = 0 [pid 536] write(1, "executing program\n", 18 [pid 295] getdents64(3, executing program [pid 536] <... write resumed>) = 18 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 536] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 536] <... bpf resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 536] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 295] newfstatat(AT_FDCWD, "./20/binderfs", [pid 536] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 538 attached [pid 538] set_robust_list(0x55555719e760, 24) = 0 [pid 538] chdir("./22" [pid 536] <... bpf resumed>) = 4 [pid 295] unlink("./20/binderfs" [pid 536] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] <... unlink resumed>) = 0 [pid 536] <... bpf resumed>) = 5 [pid 295] getdents64(3, [pid 536] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 536] <... openat resumed>) = 6 [pid 295] close(3 [pid 536] ioctl(6, PPPIOCNEWUNIT [pid 295] <... close resumed>) = 0 [pid 538] <... chdir resumed>) = 0 [pid 538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 538] setpgid(0, 0) = 0 [pid 538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 538] write(3, "1000", 4) = 4 [pid 538] close(3) = 0 [pid 538] symlink("/dev/binderfs", "./binderfs") = 0 [pid 538] write(1, "executing program\n", 18executing program ) = 18 [pid 538] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 538] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 538] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 295] rmdir("./20" [pid 538] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 538] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 538] ioctl(6, PPPIOCNEWUNIT [pid 295] <... rmdir resumed>) = 0 [pid 536] <... ioctl resumed>, 0x20001400) = 0 [pid 527] +++ exited with 0 +++ [pid 295] mkdir("./21", 0777 [pid 536] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=527, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 538] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 295] <... mkdir resumed>) = 0 [pid 536] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 536] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 538] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 536] <... bpf resumed>) = 7 [pid 538] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 536] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] <... restart_syscall resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 540 [pid 538] <... bpf resumed>) = 7 [pid 536] <... bpf resumed>) = 0 [pid 538] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 536] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 538] <... bpf resumed>) = 0 [pid 538] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 536] <... bpf resumed>) = 8 [pid 296] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 536] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 538] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 536] <... bpf resumed>) = 9 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 538] <... bpf resumed>) = 9 [pid 536] exit_group(0 [pid 296] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 538] exit_group(0 [pid 536] <... exit_group resumed>) = ? [pid 538] <... exit_group resumed>) = ? [pid 296] <... openat resumed>) = 3 [pid 538] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] getdents64(3, [pid 299] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./20/binderfs", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./22/binderfs", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./20/binderfs" [pid 299] unlink("./22/binderfs") = 0 [pid 296] <... unlink resumed>) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] getdents64(3, [pid 299] close(3) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] rmdir("./22" [pid 296] close(3 [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./23", 0777 [pid 296] <... close resumed>) = 0 ./strace-static-x86_64: Process 540 attached [pid 299] <... mkdir resumed>) = 0 [pid 296] rmdir("./20" [pid 540] set_robust_list(0x55555719e760, 24 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 540] <... set_robust_list resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 540] chdir("./21" [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 541 [pid 296] mkdir("./21", 0777 [pid 540] <... chdir resumed>) = 0 [pid 540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 540] setpgid(0, 0 [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 540] <... setpgid resumed>) = 0 [pid 540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 540] write(3, "1000", 4 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 542 [pid 540] <... write resumed>) = 4 [pid 540] close(3) = 0 [pid 540] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 540] write(1, "executing program\n", 18) = 18 [pid 540] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 540] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 540] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 540] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 540] openat(AT_FDCWD, "/dev/ppp", O_RDONLY./strace-static-x86_64: Process 541 attached ) = 6 [pid 541] set_robust_list(0x55555719e760, 24 [pid 540] ioctl(6, PPPIOCNEWUNIT [pid 541] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 542 attached [pid 542] set_robust_list(0x55555719e760, 24) = 0 [pid 542] chdir("./21") = 0 [pid 542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 542] setpgid(0, 0) = 0 [pid 542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 542] write(3, "1000", 4) = 4 [pid 542] close(3) = 0 [pid 542] symlink("/dev/binderfs", "./binderfs") = 0 [pid 542] write(1, "executing program\n", 18 [pid 541] chdir("./23"executing program [pid 542] <... write resumed>) = 18 [pid 542] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 541] <... chdir resumed>) = 0 [pid 541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 541] setpgid(0, 0 [pid 542] <... bpf resumed>) = 3 [pid 541] <... setpgid resumed>) = 0 [pid 541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 542] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 541] <... openat resumed>) = 3 [pid 542] <... bpf resumed>) = 0 [pid 542] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 541] write(3, "1000", 4 [pid 540] <... ioctl resumed>, 0x20001400) = 0 [pid 532] +++ exited with 0 +++ [pid 541] <... write resumed>) = 4 [pid 541] close(3 [pid 540] bpf(BPF_PROG_LOAD, NULL, 0 [pid 541] <... close resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 542] <... bpf resumed>) = 4 [pid 541] symlink("/dev/binderfs", "./binderfs" [pid 540] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW [pid 542] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 541] <... symlink resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 540] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 541] write(1, "executing program\n", 18 [pid 297] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 542] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] <... openat resumed>) = 3 [pid 541] <... write resumed>) = 18 [pid 540] <... bpf resumed>) = 7 [pid 542] <... openat resumed>) = 6 [pid 541] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] newfstatat(3, "", [pid 542] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 542] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 542] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 540] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 541] <... bpf resumed>) = 3 [pid 542] <... bpf resumed>) = 7 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 542] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] getdents64(3, [pid 542] <... bpf resumed>) = 0 [pid 540] <... bpf resumed>) = 0 [pid 542] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 541] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 540] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 542] <... bpf resumed>) = 8 [pid 541] <... bpf resumed>) = 0 [pid 297] umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 542] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 542] exit_group(0 [pid 540] <... bpf resumed>) = 8 [pid 541] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 540] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 542] <... exit_group resumed>) = ? [pid 542] +++ exited with 0 +++ [pid 541] <... bpf resumed>) = 4 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] newfstatat(AT_FDCWD, "./20/binderfs", [pid 541] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 540] <... bpf resumed>) = 9 [pid 296] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] unlink("./20/binderfs" [pid 541] <... bpf resumed>) = 5 [pid 297] <... unlink resumed>) = 0 [pid 541] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 540] exit_group(0 [pid 297] getdents64(3, [pid 541] <... openat resumed>) = 6 [pid 540] <... exit_group resumed>) = ? [pid 296] <... openat resumed>) = 3 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] newfstatat(3, "", [pid 541] ioctl(6, PPPIOCNEWUNIT [pid 297] close(3 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... close resumed>) = 0 [pid 296] getdents64(3, [pid 297] rmdir("./20" [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... rmdir resumed>) = 0 [pid 296] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] mkdir("./21", 0777 [pid 296] newfstatat(AT_FDCWD, "./21/binderfs", [pid 297] <... mkdir resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] unlink("./21/binderfs" [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 548 [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, executing program 0x55555719f7f0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 548 attached [pid 548] set_robust_list(0x55555719e760, 24 [pid 296] close(3 [pid 548] <... set_robust_list resumed>) = 0 [pid 548] chdir("./21") = 0 [pid 548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 296] <... close resumed>) = 0 [pid 548] setpgid(0, 0 [pid 296] rmdir("./21" [pid 548] <... setpgid resumed>) = 0 [pid 548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 296] <... rmdir resumed>) = 0 [pid 548] write(3, "1000", 4) = 4 [pid 548] close(3) = 0 [pid 548] symlink("/dev/binderfs", "./binderfs") = 0 [pid 548] write(1, "executing program\n", 18) = 18 [pid 548] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] mkdir("./22", 0777 [pid 548] <... bpf resumed>) = 3 [pid 548] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 548] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 541] <... ioctl resumed>, 0x20001400) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 548] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 541] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 550 [pid 541] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 550 attached [pid 548] <... bpf resumed>) = 5 [pid 541] <... bpf resumed>) = 7 [pid 548] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 541] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 550] set_robust_list(0x55555719e760, 24 [pid 548] <... openat resumed>) = 6 [pid 541] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 541] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 541] exit_group(0) = ? [pid 536] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./23/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./23") = 0 [pid 298] mkdir("./24", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 553 [pid 548] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 553 attached [pid 550] <... set_robust_list resumed>) = 0 [pid 553] set_robust_list(0x55555719e760, 24) = 0 [pid 553] chdir("./24") = 0 [pid 553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 553] setpgid(0, 0) = 0 [pid 553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 553] write(3, "1000", 4) = 4 [pid 553] close(3) = 0 [pid 553] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 553] write(1, "executing program\n", 18 [pid 550] chdir("./22" [pid 553] <... write resumed>) = 18 [pid 553] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 553] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 553] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 550] <... chdir resumed>) = 0 [pid 553] <... bpf resumed>) = 4 [pid 553] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 553] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 550] <... prctl resumed>) = 0 [pid 553] <... openat resumed>) = 6 [pid 550] setpgid(0, 0 [pid 553] ioctl(6, PPPIOCNEWUNIT [pid 550] <... setpgid resumed>) = 0 [pid 550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 550] write(3, "1000", 4) = 4 [pid 550] close(3) = 0 [pid 550] symlink("/dev/binderfs", "./binderfs") = 0 [pid 540] +++ exited with 0 +++ executing program [pid 550] write(1, "executing program\n", 18 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 550] <... write resumed>) = 18 [pid 550] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 553] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 553] bpf(BPF_PROG_LOAD, NULL, 0 [pid 550] <... bpf resumed>) = 3 [pid 548] <... ioctl resumed>, 0x20001400) = 0 [pid 553] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 553] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 548] bpf(BPF_PROG_LOAD, NULL, 0 [pid 553] <... bpf resumed>) = 7 [pid 553] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 550] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 548] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 553] <... bpf resumed>) = 0 [pid 553] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 550] <... bpf resumed>) = 0 [pid 548] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 550] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 553] <... bpf resumed>) = 8 [pid 550] <... bpf resumed>) = 4 [pid 548] <... bpf resumed>) = 7 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 553] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 550] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 548] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 553] <... bpf resumed>) = 9 [pid 550] <... bpf resumed>) = 5 [pid 548] <... bpf resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 553] exit_group(0 [pid 550] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 548] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] newfstatat(3, "", [pid 553] <... exit_group resumed>) = ? [pid 550] <... openat resumed>) = 6 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 550] ioctl(6, PPPIOCNEWUNIT [pid 548] <... bpf resumed>) = 8 [pid 295] getdents64(3, [pid 553] +++ exited with 0 +++ [pid 550] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 548] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 550] bpf(BPF_PROG_LOAD, NULL, 0 [pid 548] <... bpf resumed>) = 9 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 550] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 548] exit_group(0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 550] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 548] <... exit_group resumed>) = ? [pid 295] newfstatat(AT_FDCWD, "./21/binderfs", [pid 550] <... bpf resumed>) = 7 [pid 298] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] unlink("./21/binderfs" [pid 298] <... openat resumed>) = 3 [pid 550] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] <... unlink resumed>) = 0 [pid 550] <... bpf resumed>) = 0 [pid 298] newfstatat(3, "", [pid 295] getdents64(3, [pid 550] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 550] <... bpf resumed>) = 8 [pid 298] getdents64(3, [pid 295] close(3 [pid 550] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... close resumed>) = 0 [pid 550] <... bpf resumed>) = 9 [pid 298] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] rmdir("./21" [pid 550] exit_group(0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... rmdir resumed>) = 0 [pid 550] <... exit_group resumed>) = ? [pid 298] newfstatat(AT_FDCWD, "./24/binderfs", [pid 295] mkdir("./22", 0777 [pid 550] +++ exited with 0 +++ [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 298] unlink("./24/binderfs" [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 557 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./24") = 0 ./strace-static-x86_64: Process 557 attached [pid 298] mkdir("./25", 0777 [pid 557] set_robust_list(0x55555719e760, 24 [pid 298] <... mkdir resumed>) = 0 [pid 557] <... set_robust_list resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 557] chdir("./22" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 557] <... chdir resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 559 [pid 296] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... openat resumed>) = 3 [pid 557] <... prctl resumed>) = 0 [pid 296] newfstatat(3, "", [pid 557] setpgid(0, 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 557] <... setpgid resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 559 attached [pid 557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 559] set_robust_list(0x55555719e760, 24 [pid 557] <... openat resumed>) = 3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 559] <... set_robust_list resumed>) = 0 [pid 557] write(3, "1000", 4 [pid 296] newfstatat(AT_FDCWD, "./22/binderfs", [pid 559] chdir("./25" [pid 557] <... write resumed>) = 4 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 559] <... chdir resumed>) = 0 [pid 557] close(3 [pid 296] unlink("./22/binderfs" [pid 559] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 557] <... close resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 559] <... prctl resumed>) = 0 [pid 557] symlink("/dev/binderfs", "./binderfs" [pid 296] getdents64(3, [pid 559] setpgid(0, 0 [pid 557] <... symlink resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 559] <... setpgid resumed>) = 0 [pid 557] write(1, "executing program\n", 18executing program [pid 296] close(3 [pid 559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 557] <... write resumed>) = 18 [pid 296] <... close resumed>) = 0 [pid 559] <... openat resumed>) = 3 [pid 557] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] rmdir("./22" [pid 559] write(3, "1000", 4 [pid 557] <... bpf resumed>) = 3 [pid 296] <... rmdir resumed>) = 0 [pid 559] <... write resumed>) = 4 [pid 557] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] mkdir("./23", 0777 [pid 559] close(3 [pid 557] <... bpf resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 559] <... close resumed>) = 0 [pid 557] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 559] symlink("/dev/binderfs", "./binderfs" [pid 557] <... bpf resumed>) = 4 [pid 559] <... symlink resumed>) = 0 [pid 557] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 562 executing program [pid 559] write(1, "executing program\n", 18 [pid 557] <... bpf resumed>) = 5 [pid 559] <... write resumed>) = 18 [pid 557] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 559] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 557] <... openat resumed>) = 6 [pid 559] <... bpf resumed>) = 3 [pid 557] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 562 attached [pid 562] set_robust_list(0x55555719e760, 24 [pid 559] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 562] <... set_robust_list resumed>) = 0 [pid 562] chdir("./23" [pid 559] <... bpf resumed>) = 0 [pid 559] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 557] <... ioctl resumed>, 0x20001400) = 0 [pid 541] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 559] <... bpf resumed>) = 4 [pid 557] bpf(BPF_PROG_LOAD, NULL, 0 [pid 559] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 557] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 559] <... bpf resumed>) = 5 [pid 557] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 559] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 557] <... bpf resumed>) = 7 [pid 559] <... openat resumed>) = 6 [pid 557] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 562] <... chdir resumed>) = 0 [pid 559] ioctl(6, PPPIOCNEWUNIT [pid 557] <... bpf resumed>) = 0 [pid 562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 559] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 557] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 562] <... prctl resumed>) = 0 [pid 559] bpf(BPF_PROG_LOAD, NULL, 0 [pid 562] setpgid(0, 0 [pid 559] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 557] <... bpf resumed>) = 8 [pid 299] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 562] <... setpgid resumed>) = 0 [pid 559] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 557] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 559] <... bpf resumed>) = 7 [pid 557] <... bpf resumed>) = 9 [pid 299] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 562] <... openat resumed>) = 3 [pid 559] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 557] exit_group(0 [pid 299] <... openat resumed>) = 3 [pid 562] write(3, "1000", 4 [pid 559] <... bpf resumed>) = 0 [pid 557] <... exit_group resumed>) = ? [pid 299] newfstatat(3, "", [pid 562] <... write resumed>) = 4 [pid 559] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 562] close(3 [pid 299] getdents64(3, [pid 562] <... close resumed>) = 0 [pid 559] <... bpf resumed>) = 8 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 559] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 299] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 559] exit_group(0) = ? [pid 562] symlink("/dev/binderfs", "./binderfs" [pid 559] +++ exited with 0 +++ [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./23/binderfs" [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 562] <... symlink resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 298] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 562] write(1, "executing program\n", 18 [pid 299] getdents64(3, [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 562] <... write resumed>) = 18 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 562] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] close(3 [pid 298] <... openat resumed>) = 3 [pid 562] <... bpf resumed>) = 3 [pid 299] <... close resumed>) = 0 [pid 298] newfstatat(3, "", [pid 562] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] rmdir("./23" [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 562] <... bpf resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 298] getdents64(3, [pid 562] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] mkdir("./24", 0777 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 562] <... bpf resumed>) = 4 [pid 299] <... mkdir resumed>) = 0 [pid 298] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 562] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 562] <... bpf resumed>) = 5 [pid 298] newfstatat(AT_FDCWD, "./25/binderfs", [pid 562] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 567 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 562] <... openat resumed>) = 6 [pid 548] +++ exited with 0 +++ [pid 298] unlink("./25/binderfs"./strace-static-x86_64: Process 567 attached [pid 562] ioctl(6, PPPIOCNEWUNIT [pid 298] <... unlink resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 567] set_robust_list(0x55555719e760, 24 [pid 298] getdents64(3, [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 567] <... set_robust_list resumed>) = 0 [pid 562] <... ioctl resumed>, 0x20001400) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 567] chdir("./24" [pid 562] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] close(3 [pid 567] <... chdir resumed>) = 0 [pid 562] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] <... close resumed>) = 0 [pid 567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 562] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] rmdir("./25" [pid 297] umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW [pid 567] <... prctl resumed>) = 0 [pid 562] <... bpf resumed>) = 7 [pid 298] <... rmdir resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 562] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] mkdir("./26", 0777 [pid 297] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 567] setpgid(0, 0 [pid 562] <... bpf resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 567] <... setpgid resumed>) = 0 [pid 562] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] newfstatat(3, "", [pid 567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 562] <... bpf resumed>) = 8 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 562] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 570 [pid 297] getdents64(3, [pid 567] <... openat resumed>) = 3 [pid 562] <... bpf resumed>) = 9 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 567] write(3, "1000", 4 [pid 562] exit_group(0 [pid 297] umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 570 attached [pid 567] <... write resumed>) = 4 [pid 562] <... exit_group resumed>) = ? [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 570] set_robust_list(0x55555719e760, 24 [pid 567] close(3 [pid 297] newfstatat(AT_FDCWD, "./21/binderfs", [pid 570] <... set_robust_list resumed>) = 0 [pid 567] <... close resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 570] chdir("./26" [pid 567] symlink("/dev/binderfs", "./binderfs" [pid 297] unlink("./21/binderfs" [pid 570] <... chdir resumed>) = 0 [pid 567] <... symlink resumed>) = 0 executing program [pid 297] <... unlink resumed>) = 0 [pid 570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 567] write(1, "executing program\n", 18 [pid 297] getdents64(3, [pid 570] <... prctl resumed>) = 0 [pid 567] <... write resumed>) = 18 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 570] setpgid(0, 0 [pid 567] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] close(3 [pid 570] <... setpgid resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 567] <... bpf resumed>) = 3 [pid 297] rmdir("./21" [pid 570] <... openat resumed>) = 3 [pid 567] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 297] <... rmdir resumed>) = 0 [pid 570] write(3, "1000", 4 [pid 567] <... bpf resumed>) = 0 [pid 297] mkdir("./22", 0777 [pid 570] <... write resumed>) = 4 [pid 567] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... mkdir resumed>) = 0 [pid 570] close(3 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 567] <... bpf resumed>) = 4 [pid 570] <... close resumed>) = 0 [pid 567] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 570] symlink("/dev/binderfs", "./binderfs" [pid 567] <... bpf resumed>) = 5 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 573 [pid 570] <... symlink resumed>) = 0 [pid 567] openat(AT_FDCWD, "/dev/ppp", O_RDONLYexecuting program [pid 570] write(1, "executing program\n", 18 [pid 567] <... openat resumed>) = 6 [pid 570] <... write resumed>) = 18 [pid 567] ioctl(6, PPPIOCNEWUNIT [pid 570] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 573 attached ) = 3 [pid 567] <... ioctl resumed>, 0x20001400) = 0 [pid 570] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 567] bpf(BPF_PROG_LOAD, NULL, 0 [pid 573] set_robust_list(0x55555719e760, 24 [pid 570] <... bpf resumed>) = 0 [pid 567] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 573] <... set_robust_list resumed>) = 0 [pid 570] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 567] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 573] chdir("./22" [pid 570] <... bpf resumed>) = 4 [pid 567] <... bpf resumed>) = 7 [pid 573] <... chdir resumed>) = 0 [pid 573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 570] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 567] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 573] <... prctl resumed>) = 0 [pid 570] <... bpf resumed>) = 5 [pid 567] <... bpf resumed>) = 0 [pid 573] setpgid(0, 0 [pid 570] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 567] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 573] <... setpgid resumed>) = 0 [pid 570] <... openat resumed>) = 6 [pid 573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 570] ioctl(6, PPPIOCNEWUNIT [pid 567] <... bpf resumed>) = 8 [pid 573] <... openat resumed>) = 3 [pid 570] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 567] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 573] write(3, "1000", 4 [pid 570] bpf(BPF_PROG_LOAD, NULL, 0 [pid 567] <... bpf resumed>) = 9 [pid 570] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 573] <... write resumed>) = 4 [pid 570] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 567] exit_group(0 [pid 573] close(3 [pid 570] <... bpf resumed>) = 7 [pid 567] <... exit_group resumed>) = ? [pid 573] <... close resumed>) = 0 [pid 570] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 573] symlink("/dev/binderfs", "./binderfs" [pid 570] <... bpf resumed>) = 0 [pid 570] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 573] <... symlink resumed>) = 0 [pid 570] <... bpf resumed>) = 8 [pid 573] write(1, "executing program\n", 18 [pid 570] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16executing program ) = 9 [pid 573] <... write resumed>) = 18 [pid 570] exit_group(0) = ? [pid 573] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 570] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 573] <... bpf resumed>) = 3 [pid 573] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 298] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 573] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 573] <... bpf resumed>) = 4 [pid 298] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 573] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] <... openat resumed>) = 3 [pid 573] <... bpf resumed>) = 5 [pid 298] newfstatat(3, "", [pid 573] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 573] <... openat resumed>) = 6 [pid 298] getdents64(3, [pid 573] ioctl(6, PPPIOCNEWUNIT [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./26/binderfs" [pid 573] <... ioctl resumed>, 0x20001400) = 0 [pid 298] <... unlink resumed>) = 0 [pid 573] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] getdents64(3, [pid 573] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 562] +++ exited with 0 +++ [pid 567] +++ exited with 0 +++ [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 573] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] close(3 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 573] <... bpf resumed>) = 7 [pid 298] <... close resumed>) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 573] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] rmdir("./26" [pid 296] <... restart_syscall resumed>) = 0 [pid 573] <... bpf resumed>) = 0 [pid 299] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... rmdir resumed>) = 0 [pid 573] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] mkdir("./27", 0777 [pid 573] <... bpf resumed>) = 8 [pid 299] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... mkdir resumed>) = 0 [pid 296] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 573] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... openat resumed>) = 3 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(3, "", [pid 296] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 577 [pid 296] <... openat resumed>) = 3 [pid 299] getdents64(3, [pid 296] newfstatat(3, "", [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] getdents64(3, [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] newfstatat(AT_FDCWD, "./24/binderfs", [pid 296] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./24/binderfs" [pid 296] newfstatat(AT_FDCWD, "./23/binderfs", ./strace-static-x86_64: Process 577 attached [pid 299] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 577] set_robust_list(0x55555719e760, 24 [pid 299] getdents64(3, [pid 296] unlink("./23/binderfs" [pid 577] <... set_robust_list resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... unlink resumed>) = 0 [pid 577] chdir("./27" [pid 299] close(3 [pid 296] getdents64(3, [pid 577] <... chdir resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 577] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] rmdir("./24" [pid 296] close(3 [pid 577] <... prctl resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 577] setpgid(0, 0 [pid 299] mkdir("./25", 0777 [pid 296] rmdir("./23" [pid 577] <... setpgid resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] mkdir("./24", 0777 [pid 577] <... openat resumed>) = 3 [pid 296] <... mkdir resumed>) = 0 [pid 577] write(3, "1000", 4 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 580 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 577] <... write resumed>) = 4 [pid 577] close(3 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 581 [pid 577] <... close resumed>) = 0 [pid 577] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 577] write(1, "executing program\n", 18) = 18 [pid 577] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 577] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4./strace-static-x86_64: Process 580 attached ) = 0 [pid 580] set_robust_list(0x55555719e760, 24 [pid 577] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 581 attached [pid 580] <... set_robust_list resumed>) = 0 [pid 577] <... bpf resumed>) = 4 [pid 580] chdir("./25" [pid 577] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 573] <... bpf resumed>) = 9 [pid 557] +++ exited with 0 +++ [pid 580] <... chdir resumed>) = 0 [pid 577] <... bpf resumed>) = 5 [pid 573] exit_group(0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 573] <... exit_group resumed>) = ? [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 577] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] <... restart_syscall resumed>) = 0 [pid 580] <... prctl resumed>) = 0 [pid 577] <... openat resumed>) = 6 [pid 580] setpgid(0, 0 [pid 577] ioctl(6, PPPIOCNEWUNIT [pid 580] <... setpgid resumed>) = 0 [pid 295] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 577] <... ioctl resumed>, 0x20001400) = 0 [pid 295] <... openat resumed>) = 3 [pid 580] <... openat resumed>) = 3 [pid 577] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] newfstatat(3, "", [pid 580] write(3, "1000", 4 [pid 577] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 580] <... write resumed>) = 4 [pid 577] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] getdents64(3, [pid 580] close(3 [pid 577] <... bpf resumed>) = 7 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 581] set_robust_list(0x55555719e760, 24 [pid 580] <... close resumed>) = 0 [pid 577] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 581] <... set_robust_list resumed>) = 0 [pid 580] symlink("/dev/binderfs", "./binderfs" [pid 577] <... bpf resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 581] chdir("./24" [pid 580] <... symlink resumed>) = 0 [pid 577] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program [pid 295] newfstatat(AT_FDCWD, "./22/binderfs", [pid 581] <... chdir resumed>) = 0 [pid 580] write(1, "executing program\n", 18 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 580] <... write resumed>) = 18 [pid 577] <... bpf resumed>) = 8 [pid 295] unlink("./22/binderfs" [pid 581] <... prctl resumed>) = 0 [pid 580] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 577] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] <... unlink resumed>) = 0 [pid 581] setpgid(0, 0 [pid 580] <... bpf resumed>) = 3 [pid 577] <... bpf resumed>) = 9 [pid 295] getdents64(3, [pid 581] <... setpgid resumed>) = 0 [pid 580] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 577] exit_group(0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] close(3 [pid 581] <... openat resumed>) = 3 [pid 295] <... close resumed>) = 0 [pid 581] write(3, "1000", 4 [pid 580] <... bpf resumed>) = 0 [pid 577] <... exit_group resumed>) = ? [pid 295] rmdir("./22" [pid 581] <... write resumed>) = 4 [pid 295] <... rmdir resumed>) = 0 [pid 581] close(3 [pid 580] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] mkdir("./23", 0777 [pid 581] <... close resumed>) = 0 [pid 580] <... bpf resumed>) = 4 [pid 295] <... mkdir resumed>) = 0 [pid 581] symlink("/dev/binderfs", "./binderfs" [pid 580] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 581] <... symlink resumed>) = 0 executing program [pid 580] <... bpf resumed>) = 5 [pid 581] write(1, "executing program\n", 18 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 585 [pid 581] <... write resumed>) = 18 [pid 581] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 581] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 580] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 581] <... bpf resumed>) = 0 [pid 580] <... openat resumed>) = 6 [pid 581] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 580] ioctl(6, PPPIOCNEWUNIT [pid 581] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 585 attached [pid 581] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 580] <... ioctl resumed>, 0x20001400) = 0 [pid 585] set_robust_list(0x55555719e760, 24 [pid 581] <... bpf resumed>) = 5 [pid 580] bpf(BPF_PROG_LOAD, NULL, 0 [pid 585] <... set_robust_list resumed>) = 0 [pid 581] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 580] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 585] chdir("./23" [pid 581] <... openat resumed>) = 6 [pid 580] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 585] <... chdir resumed>) = 0 [pid 581] ioctl(6, PPPIOCNEWUNIT [pid 585] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 581] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 580] <... bpf resumed>) = 7 [pid 585] <... prctl resumed>) = 0 [pid 581] bpf(BPF_PROG_LOAD, NULL, 0 [pid 580] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 585] setpgid(0, 0 [pid 581] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 580] <... bpf resumed>) = 0 [pid 585] <... setpgid resumed>) = 0 [pid 581] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 580] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 581] <... bpf resumed>) = 7 [pid 581] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 585] <... openat resumed>) = 3 [pid 580] <... bpf resumed>) = 8 [pid 585] write(3, "1000", 4 [pid 581] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 580] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 573] +++ exited with 0 +++ [pid 585] <... write resumed>) = 4 [pid 581] <... bpf resumed>) = 8 [pid 580] <... bpf resumed>) = 9 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=573, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 581] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 585] close(3 [pid 581] exit_group(0 [pid 580] exit_group(0 [pid 297] umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW [pid 581] <... exit_group resumed>) = ? [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 585] <... close resumed>) = 0 [pid 581] +++ exited with 0 +++ [pid 580] <... exit_group resumed>) = ? [pid 297] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 585] symlink("/dev/binderfs", "./binderfs" [pid 297] <... openat resumed>) = 3 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=581, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 585] <... symlink resumed>) = 0 [pid 297] newfstatat(3, "", [pid 585] write(1, "executing program\n", 18executing program [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 585] <... write resumed>) = 18 [pid 297] getdents64(3, [pid 296] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... openat resumed>) = 3 [pid 297] newfstatat(AT_FDCWD, "./22/binderfs", [pid 296] newfstatat(3, "", [pid 585] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 585] <... bpf resumed>) = 3 [pid 297] unlink("./22/binderfs" [pid 296] getdents64(3, [pid 585] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 297] <... unlink resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 585] <... bpf resumed>) = 0 [pid 297] getdents64(3, [pid 296] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 585] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] close(3 [pid 296] newfstatat(AT_FDCWD, "./24/binderfs", [pid 585] <... bpf resumed>) = 4 [pid 297] <... close resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 585] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] rmdir("./22" [pid 296] unlink("./24/binderfs" [pid 585] <... bpf resumed>) = 5 [pid 297] <... rmdir resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 585] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] mkdir("./23", 0777 [pid 296] getdents64(3, [pid 585] <... openat resumed>) = 6 [pid 297] <... mkdir resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 585] ioctl(6, PPPIOCNEWUNIT [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] close(3 [pid 585] <... ioctl resumed>, 0x20001400) = 0 [pid 296] <... close resumed>) = 0 [pid 585] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 590 [pid 296] rmdir("./24" [pid 585] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] <... rmdir resumed>) = 0 [pid 585] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] mkdir("./25", 0777 [pid 585] <... bpf resumed>) = 7 [pid 296] <... mkdir resumed>) = 0 [pid 585] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 585] <... bpf resumed>) = 0 [pid 585] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 592 [pid 585] <... bpf resumed>) = 8 [pid 585] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 585] exit_group(0) = ? ./strace-static-x86_64: Process 590 attached [pid 590] set_robust_list(0x55555719e760, 24executing program ) = 0 [pid 590] chdir("./23") = 0 [pid 590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 590] setpgid(0, 0) = 0 [pid 590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 590] write(3, "1000", 4) = 4 [pid 590] close(3) = 0 [pid 590] symlink("/dev/binderfs", "./binderfs") = 0 [pid 590] write(1, "executing program\n", 18) = 18 [pid 590] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 590] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 590] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 590] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 590] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 590] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 592 attached [pid 592] set_robust_list(0x55555719e760, 24) = 0 [pid 592] chdir("./25") = 0 [pid 592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 592] setpgid(0, 0) = 0 [pid 592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 592] write(3, "1000", 4 [pid 590] <... ioctl resumed>, 0x20001400) = 0 [pid 590] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 590] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 592] <... write resumed>) = 4 [pid 592] close(3) = 0 [pid 590] <... bpf resumed>) = 7 [pid 590] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 592] symlink("/dev/binderfs", "./binderfs" [pid 590] <... bpf resumed>) = 0 [pid 590] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program [pid 592] <... symlink resumed>) = 0 [pid 590] <... bpf resumed>) = 8 [pid 590] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 592] write(1, "executing program\n", 18 [pid 590] <... bpf resumed>) = 9 [pid 592] <... write resumed>) = 18 [pid 590] exit_group(0) = ? [pid 592] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 592] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 592] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 592] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 592] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 592] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 592] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 592] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 592] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 592] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 592] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 592] exit_group(0) = ? [pid 577] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=577, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./27/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./27") = 0 [pid 298] mkdir("./28", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 594 ./strace-static-x86_64: Process 594 attached [pid 594] set_robust_list(0x55555719e760, 24) = 0 [pid 594] chdir("./28") = 0 [pid 594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 594] setpgid(0, 0) = 0 [pid 594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 594] write(3, "1000", 4) = 4 [pid 594] close(3) = 0 [pid 594] symlink("/dev/binderfs", "./binderfs") = 0 [pid 594] write(1, "executing program\n", 18executing program ) = 18 [pid 580] +++ exited with 0 +++ [pid 585] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 594] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=585, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] <... restart_syscall resumed>) = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 594] <... bpf resumed>) = 3 [pid 295] <... restart_syscall resumed>) = 0 [pid 299] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 594] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 594] <... bpf resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 295] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 594] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] newfstatat(3, "", [pid 295] <... openat resumed>) = 3 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] newfstatat(3, "", [pid 594] <... bpf resumed>) = 4 [pid 299] getdents64(3, [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 594] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] getdents64(3, [pid 299] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] newfstatat(AT_FDCWD, "./25/binderfs", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./23/binderfs", [pid 299] unlink("./25/binderfs" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... unlink resumed>) = 0 [pid 295] unlink("./23/binderfs" [pid 299] getdents64(3, [pid 295] <... unlink resumed>) = 0 [pid 592] +++ exited with 0 +++ [pid 590] +++ exited with 0 +++ [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] getdents64(3, [pid 299] close(3 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=590, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... close resumed>) = 0 [pid 295] close(3 [pid 299] rmdir("./25" [pid 295] <... close resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 297] umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] rmdir("./23" [pid 299] mkdir("./26", 0777 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... rmdir resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 297] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] mkdir("./24", 0777 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... openat resumed>) = 3 [pid 296] <... openat resumed>) = 3 [pid 295] <... mkdir resumed>) = 0 [pid 297] newfstatat(3, "", [pid 296] newfstatat(3, "", [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 595 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 296] getdents64(3, [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 596 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./23/binderfs", [pid 296] newfstatat(AT_FDCWD, "./25/binderfs", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./23/binderfs" [pid 296] unlink("./25/binderfs" [pid 297] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 595 attached [pid 297] getdents64(3, [pid 296] getdents64(3, [pid 595] set_robust_list(0x55555719e760, 24 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 595] <... set_robust_list resumed>) = 0 [pid 297] close(3 [pid 296] close(3 [pid 595] chdir("./26" [pid 297] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 297] rmdir("./23" [pid 296] rmdir("./25" [pid 595] <... chdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] mkdir("./24", 0777 [pid 296] mkdir("./26", 0777 [pid 595] <... prctl resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 595] setpgid(0, 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 595] <... setpgid resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 597 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 598 [pid 595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 596 attached ) = 3 [pid 596] set_robust_list(0x55555719e760, 24 [pid 595] write(3, "1000", 4 [pid 596] <... set_robust_list resumed>) = 0 [pid 595] <... write resumed>) = 4 [pid 596] chdir("./24" [pid 595] close(3 [pid 596] <... chdir resumed>) = 0 [pid 596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 595] <... close resumed>) = 0 [pid 596] <... prctl resumed>) = 0 [pid 595] symlink("/dev/binderfs", "./binderfs" [pid 596] setpgid(0, 0./strace-static-x86_64: Process 597 attached ) = 0 [pid 595] <... symlink resumed>) = 0 executing program [pid 597] set_robust_list(0x55555719e760, 24 [pid 596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 595] write(1, "executing program\n", 18 [pid 597] <... set_robust_list resumed>) = 0 [pid 596] <... openat resumed>) = 3 [pid 595] <... write resumed>) = 18 [pid 596] write(3, "1000", 4 [pid 595] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 594] <... bpf resumed>) = 5 [pid 597] chdir("./24" [pid 596] <... write resumed>) = 4 [pid 595] <... bpf resumed>) = 3 [pid 594] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 597] <... chdir resumed>) = 0 [pid 596] close(3 [pid 595] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 594] <... openat resumed>) = 6 [pid 597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 596] <... close resumed>) = 0 [pid 595] <... bpf resumed>) = 0 [pid 594] ioctl(6, PPPIOCNEWUNIT [pid 597] <... prctl resumed>) = 0 [pid 596] symlink("/dev/binderfs", "./binderfs" [pid 595] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 596] <... symlink resumed>) = 0 executing program ./strace-static-x86_64: Process 598 attached [pid 596] write(1, "executing program\n", 18 [pid 598] set_robust_list(0x55555719e760, 24 [pid 596] <... write resumed>) = 18 [pid 594] <... ioctl resumed>, 0x20001400) = 0 [pid 598] <... set_robust_list resumed>) = 0 [pid 596] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 598] chdir("./26" [pid 596] <... bpf resumed>) = 3 [pid 598] <... chdir resumed>) = 0 [pid 596] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 598] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 596] <... bpf resumed>) = 0 [pid 598] <... prctl resumed>) = 0 [pid 596] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 595] <... bpf resumed>) = 4 [pid 598] setpgid(0, 0 [pid 597] setpgid(0, 0 [pid 596] <... bpf resumed>) = 4 [pid 595] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 594] bpf(BPF_PROG_LOAD, NULL, 0 [pid 598] <... setpgid resumed>) = 0 [pid 597] <... setpgid resumed>) = 0 [pid 596] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 595] <... bpf resumed>) = 5 [pid 594] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 596] <... bpf resumed>) = 5 [pid 595] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 594] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 598] <... openat resumed>) = 3 [pid 597] <... openat resumed>) = 3 [pid 596] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 595] <... openat resumed>) = 6 [pid 594] <... bpf resumed>) = 7 [pid 598] write(3, "1000", 4 [pid 597] write(3, "1000", 4 [pid 596] <... openat resumed>) = 6 [pid 595] ioctl(6, PPPIOCNEWUNIT [pid 594] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 598] <... write resumed>) = 4 [pid 597] <... write resumed>) = 4 [pid 596] ioctl(6, PPPIOCNEWUNIT [pid 595] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 594] <... bpf resumed>) = 0 [pid 598] close(3 [pid 597] close(3 [pid 596] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 595] bpf(BPF_PROG_LOAD, NULL, 0 [pid 594] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 598] <... close resumed>) = 0 [pid 597] <... close resumed>) = 0 [pid 596] bpf(BPF_PROG_LOAD, NULL, 0 [pid 595] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 598] symlink("/dev/binderfs", "./binderfs" [pid 597] symlink("/dev/binderfs", "./binderfs" [pid 596] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 595] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 594] <... bpf resumed>) = 8 [pid 598] <... symlink resumed>) = 0 [pid 597] <... symlink resumed>) = 0 [pid 596] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 595] <... bpf resumed>) = 7 [pid 594] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16executing program executing program [pid 598] write(1, "executing program\n", 18 [pid 597] write(1, "executing program\n", 18 [pid 596] <... bpf resumed>) = 7 [pid 595] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 594] <... bpf resumed>) = 9 [pid 598] <... write resumed>) = 18 [pid 597] <... write resumed>) = 18 [pid 596] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 595] <... bpf resumed>) = 0 [pid 594] exit_group(0 [pid 598] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 597] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 596] <... bpf resumed>) = 0 [pid 595] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 594] <... exit_group resumed>) = ? [pid 598] <... bpf resumed>) = 3 [pid 597] <... bpf resumed>) = 3 [pid 596] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 598] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 597] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 596] <... bpf resumed>) = 8 [pid 595] <... bpf resumed>) = 8 [pid 598] <... bpf resumed>) = 0 [pid 596] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 598] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 596] <... bpf resumed>) = 9 [pid 598] <... bpf resumed>) = 4 [pid 597] <... bpf resumed>) = 0 [pid 596] exit_group(0 [pid 595] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 598] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 597] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 596] <... exit_group resumed>) = ? [pid 595] <... bpf resumed>) = 9 [pid 598] <... bpf resumed>) = 5 [pid 597] <... bpf resumed>) = 4 [pid 596] +++ exited with 0 +++ [pid 598] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 598] <... openat resumed>) = 6 [pid 597] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 595] exit_group(0 [pid 598] ioctl(6, PPPIOCNEWUNIT [pid 597] <... bpf resumed>) = 5 [pid 595] <... exit_group resumed>) = ? [pid 598] <... ioctl resumed>, 0x20001400) = 0 [pid 598] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 597] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 598] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 598] <... bpf resumed>) = 7 [pid 597] <... openat resumed>) = 6 [pid 595] +++ exited with 0 +++ [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 598] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 597] ioctl(6, PPPIOCNEWUNIT [pid 295] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 598] <... bpf resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 598] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 597] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=595, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] newfstatat(3, "", [pid 598] <... bpf resumed>) = 8 [pid 597] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 598] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 597] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] getdents64(3, [pid 598] <... bpf resumed>) = 9 [pid 597] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 598] exit_group(0 [pid 597] <... bpf resumed>) = 7 [pid 299] <... openat resumed>) = 3 [pid 295] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 598] <... exit_group resumed>) = ? [pid 597] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] newfstatat(3, "", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 597] <... bpf resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] newfstatat(AT_FDCWD, "./24/binderfs", [pid 597] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] getdents64(3, [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./24/binderfs" [pid 597] <... bpf resumed>) = 8 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... unlink resumed>) = 0 [pid 597] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 597] <... bpf resumed>) = 9 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 597] exit_group(0 [pid 299] newfstatat(AT_FDCWD, "./26/binderfs", [pid 295] close(3 [pid 597] <... exit_group resumed>) = ? [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... close resumed>) = 0 [pid 295] rmdir("./24" [pid 597] +++ exited with 0 +++ [pid 299] unlink("./26/binderfs" [pid 295] <... rmdir resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 295] mkdir("./25", 0777 [pid 299] getdents64(3, [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=597, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... mkdir resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] close(3 [pid 297] <... restart_syscall resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 601 [pid 299] rmdir("./26" [pid 297] umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... rmdir resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] mkdir("./27", 0777 [pid 297] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", [pid 299] <... mkdir resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 602 [pid 297] umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./24/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./24") = 0 ./strace-static-x86_64: Process 601 attached [pid 297] mkdir("./25", 0777 [pid 601] set_robust_list(0x55555719e760, 24 [pid 297] <... mkdir resumed>) = 0 [pid 601] <... set_robust_list resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 601] chdir("./25" [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 603 [pid 601] <... chdir resumed>) = 0 [pid 601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 601] setpgid(0, 0) = 0 [pid 601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 601] write(3, "1000", 4) = 4 [pid 601] close(3) = 0 [pid 601] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 602 attached ./strace-static-x86_64: Process 603 attached ) = 0 executing program [pid 601] write(1, "executing program\n", 18 [pid 603] set_robust_list(0x55555719e760, 24) = 0 [pid 601] <... write resumed>) = 18 [pid 603] chdir("./25" [pid 601] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 603] <... chdir resumed>) = 0 [pid 601] <... bpf resumed>) = 3 [pid 603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 601] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 603] <... prctl resumed>) = 0 [pid 601] <... bpf resumed>) = 0 [pid 603] setpgid(0, 0 [pid 601] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 603] <... setpgid resumed>) = 0 [pid 602] set_robust_list(0x55555719e760, 24) = 0 [pid 602] chdir("./27" [pid 601] <... bpf resumed>) = 4 [pid 603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 602] <... chdir resumed>) = 0 [pid 601] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 603] <... openat resumed>) = 3 [pid 602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 601] <... bpf resumed>) = 5 [pid 603] write(3, "1000", 4 [pid 602] <... prctl resumed>) = 0 [pid 601] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 603] <... write resumed>) = 4 [pid 603] close(3 [pid 602] setpgid(0, 0 [pid 601] <... openat resumed>) = 6 [pid 603] <... close resumed>) = 0 [pid 602] <... setpgid resumed>) = 0 [pid 601] ioctl(6, PPPIOCNEWUNIT [pid 603] symlink("/dev/binderfs", "./binderfs" [pid 602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 602] write(3, "1000", 4) = 4 [pid 602] close(3) = 0 [pid 602] symlink("/dev/binderfs", "./binderfs" [pid 603] <... symlink resumed>) = 0 [pid 602] <... symlink resumed>) = 0 [pid 601] <... ioctl resumed>, 0x20001400) = 0 executing program [pid 602] write(1, "executing program\n", 18) = 18 [pid 602] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 603] write(1, "executing program\n", 18 [pid 602] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 executing program [pid 603] <... write resumed>) = 18 [pid 602] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 603] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 602] <... bpf resumed>) = 4 [pid 601] bpf(BPF_PROG_LOAD, NULL, 0 [pid 603] <... bpf resumed>) = 3 [pid 602] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 601] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 603] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 602] <... bpf resumed>) = 5 [pid 601] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 603] <... bpf resumed>) = 0 [pid 602] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 601] <... bpf resumed>) = 7 [pid 603] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 602] <... openat resumed>) = 6 [pid 601] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 602] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 603] <... bpf resumed>) = 4 [pid 602] bpf(BPF_PROG_LOAD, NULL, 0 [pid 601] <... bpf resumed>) = 0 [pid 603] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 602] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 601] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 603] <... bpf resumed>) = 5 [pid 602] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 603] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 602] <... bpf resumed>) = 7 [pid 601] <... bpf resumed>) = 8 [pid 603] <... openat resumed>) = 6 [pid 602] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 601] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 603] ioctl(6, PPPIOCNEWUNIT [pid 602] <... bpf resumed>) = 0 [pid 601] <... bpf resumed>) = 9 [pid 603] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 602] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 603] bpf(BPF_PROG_LOAD, NULL, 0 [pid 602] <... bpf resumed>) = 8 [pid 601] exit_group(0 [pid 602] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 594] +++ exited with 0 +++ [pid 603] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 602] <... bpf resumed>) = 9 [pid 601] <... exit_group resumed>) = ? [pid 603] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 602] exit_group(0 [pid 598] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=594, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 603] <... bpf resumed>) = 7 [pid 602] <... exit_group resumed>) = ? [pid 298] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 602] +++ exited with 0 +++ [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] --- 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] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=602, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 603] <... bpf resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 296] <... restart_syscall resumed>) = 0 [pid 603] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] newfstatat(3, "", [pid 299] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 603] <... bpf resumed>) = 8 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] getdents64(3, [pid 296] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 603] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 603] <... bpf resumed>) = 9 [pid 299] <... openat resumed>) = 3 [pid 298] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 603] exit_group(0 [pid 299] newfstatat(3, "", [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... openat resumed>) = 3 [pid 603] <... exit_group resumed>) = ? [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] newfstatat(AT_FDCWD, "./28/binderfs", [pid 296] newfstatat(3, "", [pid 299] getdents64(3, [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] unlink("./28/binderfs" [pid 296] getdents64(3, [pid 299] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... unlink resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] getdents64(3, [pid 296] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] newfstatat(AT_FDCWD, "./27/binderfs", [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 603] +++ exited with 0 +++ [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] close(3 [pid 296] newfstatat(AT_FDCWD, "./26/binderfs", [pid 299] unlink("./27/binderfs" [pid 298] <... close resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... unlink resumed>) = 0 [pid 298] rmdir("./28" [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=603, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] unlink("./26/binderfs" [pid 299] getdents64(3, [pid 298] <... rmdir resumed>) = 0 [pid 297] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] mkdir("./29", 0777 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] getdents64(3, [pid 299] close(3 [pid 298] <... mkdir resumed>) = 0 [pid 297] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... close resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... openat resumed>) = 3 [pid 296] close(3 [pid 299] rmdir("./27" [pid 297] newfstatat(3, "", [pid 296] <... close resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 609 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] rmdir("./26" [pid 299] mkdir("./28", 0777 [pid 297] getdents64(3, [pid 296] <... rmdir resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] mkdir("./27", 0777 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 609 attached [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 609] set_robust_list(0x55555719e760, 24 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 610 [pid 297] newfstatat(AT_FDCWD, "./25/binderfs", [pid 609] <... set_robust_list resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 611 [pid 609] chdir("./29" [pid 297] unlink("./25/binderfs" [pid 609] <... chdir resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 609] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] getdents64(3, ./strace-static-x86_64: Process 610 attached [pid 609] <... prctl resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 609] setpgid(0, 0 [pid 297] close(3 [pid 609] <... setpgid resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 610] set_robust_list(0x55555719e760, 24 [pid 609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] rmdir("./25" [pid 610] <... set_robust_list resumed>) = 0 [pid 609] <... openat resumed>) = 3 [pid 297] <... rmdir resumed>) = 0 [pid 609] write(3, "1000", 4 [pid 297] mkdir("./26", 0777 [pid 610] chdir("./28" [pid 609] <... write resumed>) = 4 [pid 297] <... mkdir resumed>) = 0 [pid 610] <... chdir resumed>) = 0 [pid 609] close(3 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 609] <... close resumed>) = 0 [pid 610] <... prctl resumed>) = 0 [pid 609] symlink("/dev/binderfs", "./binderfs" [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 614 executing program ./strace-static-x86_64: Process 614 attached [pid 610] setpgid(0, 0 [pid 609] <... symlink resumed>) = 0 [pid 614] set_robust_list(0x55555719e760, 24 [pid 610] <... setpgid resumed>) = 0 [pid 609] write(1, "executing program\n", 18 [pid 614] <... set_robust_list resumed>) = 0 [pid 610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 609] <... write resumed>) = 18 [pid 614] chdir("./26" [pid 610] <... openat resumed>) = 3 [pid 609] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 614] <... chdir resumed>) = 0 [pid 610] write(3, "1000", 4 [pid 609] <... bpf resumed>) = 3 [pid 614] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 610] <... write resumed>) = 4 [pid 609] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 614] <... prctl resumed>) = 0 [pid 610] close(3 [pid 609] <... bpf resumed>) = 0 [pid 614] setpgid(0, 0 [pid 610] <... close resumed>) = 0 [pid 609] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 611 attached [pid 614] <... setpgid resumed>) = 0 [pid 610] symlink("/dev/binderfs", "./binderfs" [pid 609] <... bpf resumed>) = 4 [pid 614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 611] set_robust_list(0x55555719e760, 24 [pid 610] <... symlink resumed>) = 0 [pid 609] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16executing program [pid 614] <... openat resumed>) = 3 [pid 611] <... set_robust_list resumed>) = 0 [pid 610] write(1, "executing program\n", 18 [pid 609] <... bpf resumed>) = 5 [pid 614] write(3, "1000", 4 [pid 611] chdir("./27" [pid 610] <... write resumed>) = 18 [pid 609] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 614] <... write resumed>) = 4 [pid 611] <... chdir resumed>) = 0 [pid 610] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 609] <... openat resumed>) = 6 [pid 614] close(3 [pid 611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 610] <... bpf resumed>) = 3 [pid 609] ioctl(6, PPPIOCNEWUNIT [pid 614] <... close resumed>) = 0 [pid 611] <... prctl resumed>) = 0 [pid 610] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 609] <... ioctl resumed>, 0x20001400) = 0 [pid 611] setpgid(0, 0 [pid 609] bpf(BPF_PROG_LOAD, NULL, 0 [pid 614] symlink("/dev/binderfs", "./binderfs" [pid 611] <... setpgid resumed>) = 0 [pid 610] <... bpf resumed>) = 0 [pid 609] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 614] <... symlink resumed>) = 0 [pid 611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 610] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 609] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 614] write(1, "executing program\n", 18 [pid 611] <... openat resumed>) = 3 executing program [pid 609] <... bpf resumed>) = 7 [pid 614] <... write resumed>) = 18 [pid 611] write(3, "1000", 4 [pid 610] <... bpf resumed>) = 4 [pid 609] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 614] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 611] <... write resumed>) = 4 [pid 610] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 609] <... bpf resumed>) = 0 [pid 611] close(3 [pid 609] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 614] <... bpf resumed>) = 3 [pid 611] <... close resumed>) = 0 [pid 610] <... bpf resumed>) = 5 [pid 609] <... bpf resumed>) = 8 [pid 614] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 611] symlink("/dev/binderfs", "./binderfs" [pid 610] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 609] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 614] <... bpf resumed>) = 0 [pid 611] <... symlink resumed>) = 0 executing program [pid 610] <... openat resumed>) = 6 [pid 609] <... bpf resumed>) = 9 [pid 614] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 611] write(1, "executing program\n", 18 [pid 610] ioctl(6, PPPIOCNEWUNIT [pid 609] exit_group(0 [pid 611] <... write resumed>) = 18 [pid 609] <... exit_group resumed>) = ? [pid 614] <... bpf resumed>) = 4 [pid 611] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 614] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 611] <... bpf resumed>) = 3 [pid 611] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 611] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 614] <... bpf resumed>) = 5 [pid 611] <... bpf resumed>) = 4 [pid 610] <... ioctl resumed>, 0x20001400) = 0 [pid 614] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 611] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 611] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 614] <... openat resumed>) = 6 [pid 611] <... openat resumed>) = 6 [pid 611] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 611] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 601] +++ exited with 0 +++ [pid 614] ioctl(6, PPPIOCNEWUNIT [pid 611] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 614] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 611] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 614] bpf(BPF_PROG_LOAD, NULL, 0 [pid 611] <... bpf resumed>) = 0 [pid 610] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 614] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 611] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 610] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 614] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 611] <... bpf resumed>) = 8 [pid 610] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 614] <... bpf resumed>) = 7 [pid 611] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 610] <... bpf resumed>) = 7 [pid 295] umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW [pid 614] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 611] <... bpf resumed>) = 9 [pid 610] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 614] <... bpf resumed>) = 0 [pid 611] exit_group(0 [pid 610] <... bpf resumed>) = 0 [pid 295] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 614] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 611] <... exit_group resumed>) = ? [pid 610] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... openat resumed>) = 3 [pid 614] <... bpf resumed>) = 8 [pid 611] +++ exited with 0 +++ [pid 295] newfstatat(3, "", [pid 614] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 610] <... bpf resumed>) = 8 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 614] <... bpf resumed>) = 9 [pid 610] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] getdents64(3, [pid 614] exit_group(0 [pid 610] <... bpf resumed>) = 9 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 614] <... exit_group resumed>) = ? [pid 610] exit_group(0 [pid 296] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 614] +++ exited with 0 +++ [pid 610] <... exit_group resumed>) = ? [pid 296] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] newfstatat(AT_FDCWD, "./25/binderfs", [pid 296] <... openat resumed>) = 3 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] newfstatat(3, "", [pid 295] unlink("./25/binderfs" [pid 297] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... unlink resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 297] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... openat resumed>) = 3 [pid 296] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] close(3 [pid 297] newfstatat(3, "", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... close resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] newfstatat(AT_FDCWD, "./27/binderfs", [pid 295] rmdir("./25" [pid 297] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] unlink("./27/binderfs" [pid 295] mkdir("./26", 0777 [pid 297] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] getdents64(3, [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] newfstatat(AT_FDCWD, "./26/binderfs", [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] close(3 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 619 [pid 297] unlink("./26/binderfs" [pid 296] <... close resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] rmdir("./27" [pid 297] getdents64(3, [pid 296] <... rmdir resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] mkdir("./28", 0777./strace-static-x86_64: Process 619 attached [pid 297] close(3 [pid 296] <... mkdir resumed>) = 0 [pid 619] set_robust_list(0x55555719e760, 24 [pid 297] <... close resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] rmdir("./26" [pid 619] <... set_robust_list resumed>) = 0 [pid 619] chdir("./26") = 0 [pid 619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] <... rmdir resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 621 [pid 297] mkdir("./27", 0777 [pid 619] <... prctl resumed>) = 0 [pid 619] setpgid(0, 0) = 0 [pid 619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... mkdir resumed>) = 0 [pid 619] <... openat resumed>) = 3 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 619] write(3, "1000", 4) = 4 [pid 619] close(3) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 622 [pid 619] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 619] write(1, "executing program\n", 18) = 18 [pid 619] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 619] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 619] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 622 attached ./strace-static-x86_64: Process 621 attached ) = 4 [pid 622] set_robust_list(0x55555719e760, 24 [pid 621] set_robust_list(0x55555719e760, 24 [pid 619] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 622] <... set_robust_list resumed>) = 0 [pid 621] <... set_robust_list resumed>) = 0 [pid 619] <... bpf resumed>) = 5 [pid 619] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 622] chdir("./27" [pid 621] chdir("./28" [pid 622] <... chdir resumed>) = 0 [pid 621] <... chdir resumed>) = 0 [pid 619] ioctl(6, PPPIOCNEWUNIT [pid 622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 622] <... prctl resumed>) = 0 [pid 621] <... prctl resumed>) = 0 [pid 622] setpgid(0, 0 [pid 621] setpgid(0, 0 [pid 622] <... setpgid resumed>) = 0 [pid 621] <... setpgid resumed>) = 0 [pid 622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 622] <... openat resumed>) = 3 [pid 621] <... openat resumed>) = 3 [pid 622] write(3, "1000", 4 [pid 621] write(3, "1000", 4 [pid 622] <... write resumed>) = 4 [pid 621] <... write resumed>) = 4 [pid 622] close(3 [pid 621] close(3 [pid 609] +++ exited with 0 +++ [pid 622] <... close resumed>) = 0 [pid 621] <... close resumed>) = 0 [pid 619] <... ioctl resumed>, 0x20001400) = 0 [pid 622] symlink("/dev/binderfs", "./binderfs" [pid 621] symlink("/dev/binderfs", "./binderfs" [pid 619] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 622] <... symlink resumed>) = 0 executing program [pid 621] <... symlink resumed>) = 0 [pid 619] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 622] write(1, "executing program\n", 18executing program [pid 621] write(1, "executing program\n", 18 [pid 619] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... restart_syscall resumed>) = 0 [pid 622] <... write resumed>) = 18 [pid 621] <... write resumed>) = 18 [pid 619] <... bpf resumed>) = 7 [pid 622] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 621] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 619] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 622] <... bpf resumed>) = 3 [pid 621] <... bpf resumed>) = 3 [pid 619] <... bpf resumed>) = 0 [pid 298] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 622] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 621] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 619] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 622] <... bpf resumed>) = 0 [pid 621] <... bpf resumed>) = 0 [pid 298] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 622] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 621] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 619] <... bpf resumed>) = 8 [pid 298] <... openat resumed>) = 3 [pid 622] <... bpf resumed>) = 4 [pid 621] <... bpf resumed>) = 4 [pid 619] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] newfstatat(3, "", [pid 622] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 621] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 619] <... bpf resumed>) = 9 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 622] <... bpf resumed>) = 5 [pid 621] <... bpf resumed>) = 5 [pid 619] exit_group(0 [pid 298] getdents64(3, [pid 622] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 621] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 619] <... exit_group resumed>) = ? [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 622] <... openat resumed>) = 6 [pid 621] <... openat resumed>) = 6 [pid 298] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 622] ioctl(6, PPPIOCNEWUNIT [pid 621] ioctl(6, PPPIOCNEWUNIT [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./29/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./29") = 0 [pid 298] mkdir("./30", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 622] <... ioctl resumed>, 0x20001400) = 0 [pid 621] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 622] bpf(BPF_PROG_LOAD, NULL, 0 [pid 621] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 625 [pid 622] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 621] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 622] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 621] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 622] <... bpf resumed>) = 7 [pid 621] <... bpf resumed>) = 7 [pid 622] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 621] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4./strace-static-x86_64: Process 625 attached [pid 622] <... bpf resumed>) = 0 [pid 621] <... bpf resumed>) = 0 [pid 622] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 621] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 625] set_robust_list(0x55555719e760, 24) = 0 [pid 625] chdir("./30") = 0 [pid 625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 625] setpgid(0, 0) = 0 [pid 622] <... bpf resumed>) = 8 [pid 625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 625] write(3, "1000", 4) = 4 [pid 625] close(3) = 0 [pid 625] symlink("/dev/binderfs", "./binderfs" [pid 621] <... bpf resumed>) = 8 [pid 622] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 621] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 622] <... bpf resumed>) = 9 [pid 625] <... symlink resumed>) = 0 [pid 622] exit_group(0executing program [pid 621] <... bpf resumed>) = 9 [pid 622] <... exit_group resumed>) = ? [pid 625] write(1, "executing program\n", 18) = 18 [pid 625] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 621] exit_group(0 [pid 625] <... bpf resumed>) = 3 [pid 625] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 625] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 610] +++ exited with 0 +++ [pid 625] <... bpf resumed>) = 4 [pid 625] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 625] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 621] <... exit_group resumed>) = ? [pid 625] <... openat resumed>) = 6 [pid 625] ioctl(6, PPPIOCNEWUNIT [pid 621] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=621, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 296] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 625] <... ioctl resumed>, 0x20001400) = 0 [pid 299] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 299] newfstatat(AT_FDCWD, "./28/binderfs", [pid 625] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 625] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] unlink("./28/binderfs" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... unlink resumed>) = 0 [pid 625] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] newfstatat(AT_FDCWD, "./28/binderfs", [pid 625] <... bpf resumed>) = 7 [pid 299] getdents64(3, [pid 625] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 625] <... bpf resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] unlink("./28/binderfs" [pid 625] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] close(3 [pid 296] <... unlink resumed>) = 0 [pid 625] <... bpf resumed>) = 8 [pid 296] getdents64(3, [pid 299] <... close resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 625] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] rmdir("./28" [pid 296] close(3 [pid 625] <... bpf resumed>) = 9 [pid 296] <... close resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 296] rmdir("./28" [pid 625] exit_group(0 [pid 296] <... rmdir resumed>) = 0 [pid 299] mkdir("./29", 0777 [pid 625] <... exit_group resumed>) = ? [pid 296] mkdir("./29", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 629 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 630 ./strace-static-x86_64: Process 629 attached [pid 629] set_robust_list(0x55555719e760, 24) = 0 [pid 629] chdir("./29") = 0 [pid 629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 629] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 630 attached [pid 629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 630] set_robust_list(0x55555719e760, 24 [pid 629] <... openat resumed>) = 3 [pid 629] write(3, "1000", 4) = 4 [pid 629] close(3) = 0 [pid 629] symlink("/dev/binderfs", "./binderfs" [pid 630] <... set_robust_list resumed>) = 0 [pid 629] <... symlink resumed>) = 0 executing program [pid 629] write(1, "executing program\n", 18) = 18 [pid 629] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 630] chdir("./29" [pid 629] <... bpf resumed>) = 3 [pid 629] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 629] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 630] <... chdir resumed>) = 0 [pid 619] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW [pid 630] <... prctl resumed>) = 0 [pid 629] <... bpf resumed>) = 4 [pid 629] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 630] setpgid(0, 0 [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 630] <... setpgid resumed>) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./26/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./26") = 0 [pid 295] mkdir("./27", 0777 [pid 630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 633 [pid 630] <... openat resumed>) = 3 [pid 630] write(3, "1000", 4./strace-static-x86_64: Process 633 attached ) = 4 [pid 630] close(3) = 0 [pid 633] set_robust_list(0x55555719e760, 24 [pid 630] symlink("/dev/binderfs", "./binderfs" [pid 633] <... set_robust_list resumed>) = 0 [pid 630] <... symlink resumed>) = 0 [pid 630] write(1, "executing program\n", 18executing program ) = 18 [pid 630] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 633] chdir("./27" [pid 630] <... bpf resumed>) = 3 [pid 630] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 630] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 633] <... chdir resumed>) = 0 [pid 630] <... bpf resumed>) = 4 [pid 633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 630] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 633] <... prctl resumed>) = 0 [pid 633] setpgid(0, 0) = 0 [pid 633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 633] write(3, "1000", 4) = 4 [pid 633] close(3) = 0 [pid 633] symlink("/dev/binderfs", "./binderfs") = 0 [pid 633] write(1, "executing program\n", 18executing program ) = 18 [pid 633] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 633] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 633] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 633] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 622] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 625] +++ exited with 0 +++ [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=625, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 298] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... openat resumed>) = 3 [pid 297] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", [pid 297] newfstatat(3, "", [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 297] getdents64(3, [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./30/binderfs", [pid 297] newfstatat(AT_FDCWD, "./27/binderfs", [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./30/binderfs" [pid 297] unlink("./27/binderfs" [pid 298] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 298] getdents64(3, [pid 297] getdents64(3, [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 297] close(3 [pid 298] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 298] rmdir("./30" [pid 297] rmdir("./27" [pid 298] <... rmdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 298] mkdir("./31", 0777 [pid 297] mkdir("./28", 0777 [pid 298] <... mkdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 636 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 637 ./strace-static-x86_64: Process 637 attached [pid 637] set_robust_list(0x55555719e760, 24) = 0 [pid 637] chdir("./28") = 0 [pid 637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 637] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 636 attached [pid 636] set_robust_list(0x55555719e760, 24) = 0 [pid 637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 637] write(3, "1000", 4) = 4 [pid 637] close(3) = 0 [pid 637] symlink("/dev/binderfs", "./binderfs" [pid 636] chdir("./31" [pid 637] <... symlink resumed>) = 0 [pid 636] <... chdir resumed>) = 0 executing program [pid 637] write(1, "executing program\n", 18) = 18 [pid 636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 637] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 637] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 637] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 636] <... prctl resumed>) = 0 [pid 636] setpgid(0, 0) = 0 [pid 636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 636] write(3, "1000", 4 [pid 637] <... bpf resumed>) = 4 [pid 636] <... write resumed>) = 4 [pid 637] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 636] close(3) = 0 [pid 636] symlink("/dev/binderfs", "./binderfs") = 0 [pid 636] write(1, "executing program\n", 18executing program ) = 18 [pid 636] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 636] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 636] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 636] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 637] <... bpf resumed>) = 5 [pid 636] <... bpf resumed>) = 5 [pid 633] <... bpf resumed>) = 5 [pid 630] <... bpf resumed>) = 5 [pid 629] <... bpf resumed>) = 5 [pid 636] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 633] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 636] <... openat resumed>) = 6 [pid 633] <... openat resumed>) = 6 [pid 630] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 637] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 636] ioctl(6, PPPIOCNEWUNIT [pid 633] ioctl(6, PPPIOCNEWUNIT [pid 629] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 637] <... openat resumed>) = 6 [pid 636] <... ioctl resumed>, 0x20001400) = 0 [pid 633] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 630] <... openat resumed>) = 6 [pid 636] bpf(BPF_PROG_LOAD, NULL, 0 [pid 633] bpf(BPF_PROG_LOAD, NULL, 0 [pid 630] ioctl(6, PPPIOCNEWUNIT [pid 629] <... openat resumed>) = 6 [pid 636] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 633] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 636] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 633] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 637] ioctl(6, PPPIOCNEWUNIT [pid 636] <... bpf resumed>) = 7 [pid 633] <... bpf resumed>) = 7 [pid 630] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 629] ioctl(6, PPPIOCNEWUNIT [pid 637] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 636] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 633] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 629] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 630] bpf(BPF_PROG_LOAD, NULL, 0 [pid 636] <... bpf resumed>) = 0 [pid 633] <... bpf resumed>) = 0 [pid 637] bpf(BPF_PROG_LOAD, NULL, 0 [pid 636] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 633] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 630] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 629] bpf(BPF_PROG_LOAD, NULL, 0 [pid 637] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 636] <... bpf resumed>) = 8 [pid 633] <... bpf resumed>) = 8 [pid 630] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 629] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 636] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 633] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 637] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 636] <... bpf resumed>) = 9 [pid 633] <... bpf resumed>) = 9 [pid 630] <... bpf resumed>) = 7 [pid 629] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 637] <... bpf resumed>) = 7 [pid 636] exit_group(0 [pid 633] exit_group(0 [pid 630] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 637] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 636] <... exit_group resumed>) = ? [pid 633] <... exit_group resumed>) = ? [pid 630] <... bpf resumed>) = 0 [pid 629] <... bpf resumed>) = 7 [pid 637] <... bpf resumed>) = 0 [pid 633] +++ exited with 0 +++ [pid 630] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 629] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 637] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 629] <... bpf resumed>) = 0 [pid 630] <... bpf resumed>) = 8 [pid 629] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 630] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=633, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 637] <... bpf resumed>) = 8 [pid 629] <... bpf resumed>) = 8 [pid 295] umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW [pid 629] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 637] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 630] <... bpf resumed>) = 9 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 629] <... bpf resumed>) = 9 [pid 630] exit_group(0 [pid 295] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 629] exit_group(0 [pid 295] <... openat resumed>) = 3 [pid 630] <... exit_group resumed>) = ? [pid 629] <... exit_group resumed>) = ? [pid 295] newfstatat(3, "", [pid 637] <... bpf resumed>) = 9 [pid 629] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 630] +++ exited with 0 +++ [pid 299] <... restart_syscall resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 637] exit_group(0 [pid 299] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... restart_syscall resumed>) = 0 [pid 295] umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 637] <... exit_group resumed>) = ? [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... openat resumed>) = 3 [pid 296] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] newfstatat(AT_FDCWD, "./27/binderfs", [pid 299] newfstatat(3, "", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] getdents64(3, [pid 296] <... openat resumed>) = 3 [pid 295] unlink("./27/binderfs" [pid 296] newfstatat(3, "", [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 299] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... unlink resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 299] newfstatat(AT_FDCWD, "./29/binderfs", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(AT_FDCWD, "./29/binderfs", [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] unlink("./29/binderfs" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./29/binderfs" [pid 295] close(3 [pid 299] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 296] getdents64(3, [pid 295] <... close resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] rmdir("./27" [pid 299] close(3 [pid 296] close(3) = 0 [pid 296] rmdir("./29" [pid 299] <... close resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 299] rmdir("./29" [pid 296] mkdir("./30", 0777 [pid 295] mkdir("./28", 0777 [pid 299] <... rmdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 641 [pid 299] mkdir("./30", 0777./strace-static-x86_64: Process 641 attached ) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 641] set_robust_list(0x55555719e760, 24) = 0 [pid 641] chdir("./30") = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 641] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 643 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 644 ./strace-static-x86_64: Process 644 attached [pid 641] <... prctl resumed>) = 0 [pid 641] setpgid(0, 0) = 0 [pid 644] set_robust_list(0x55555719e760, 24) = 0 [pid 641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 644] chdir("./28" [pid 641] <... openat resumed>) = 3 [pid 641] write(3, "1000", 4 [pid 644] <... chdir resumed>) = 0 [pid 641] <... write resumed>) = 4 [pid 644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 641] close(3) = 0 [pid 644] setpgid(0, 0 [pid 641] symlink("/dev/binderfs", "./binderfs") = 0 [pid 644] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 643 attached [pid 643] set_robust_list(0x55555719e760, 24) = 0 [pid 641] write(1, "executing program\n", 18 [pid 643] chdir("./30"executing program [pid 644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 641] <... write resumed>) = 18 [pid 637] +++ exited with 0 +++ [pid 636] +++ exited with 0 +++ [pid 643] <... chdir resumed>) = 0 [pid 643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=637, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 643] <... prctl resumed>) = 0 [pid 643] setpgid(0, 0) = 0 [pid 641] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 644] <... openat resumed>) = 3 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... openat resumed>) = 3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(3, "", [pid 297] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... openat resumed>) = 3 [pid 298] getdents64(3, [pid 297] newfstatat(3, "", [pid 643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] getdents64(3, [pid 643] <... openat resumed>) = 3 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] newfstatat(AT_FDCWD, "./31/binderfs", [pid 297] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] unlink("./31/binderfs"executing program [pid 297] newfstatat(AT_FDCWD, "./28/binderfs", [pid 644] write(3, "1000", 4 [pid 643] write(3, "1000", 4 [pid 641] <... bpf resumed>) = 3 [pid 298] <... unlink resumed>) = 0 [pid 643] <... write resumed>) = 4 [pid 643] close(3) = 0 [pid 643] symlink("/dev/binderfs", "./binderfs") = 0 [pid 643] write(1, "executing program\n", 18) = 18 [pid 643] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] unlink("./28/binderfs" [pid 298] close(3 [pid 643] <... bpf resumed>) = 3 [pid 643] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 297] <... unlink resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 297] getdents64(3, [pid 643] <... bpf resumed>) = 0 [pid 298] rmdir("./31" [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 643] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 644] <... write resumed>) = 4 [pid 643] <... bpf resumed>) = 4 [pid 641] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] <... rmdir resumed>) = 0 [pid 297] close(3 [pid 298] mkdir("./32", 0777 [pid 297] <... close resumed>) = 0 [pid 297] rmdir("./28" [pid 298] <... mkdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] mkdir("./29", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 647 attached ./strace-static-x86_64: Process 646 attached [pid 644] close(3 [pid 641] <... bpf resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 646 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 647 [pid 643] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 641] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 647] set_robust_list(0x55555719e760, 24 [pid 646] set_robust_list(0x55555719e760, 24 [pid 644] <... close resumed>) = 0 [pid 647] <... set_robust_list resumed>) = 0 [pid 646] <... set_robust_list resumed>) = 0 [pid 644] symlink("/dev/binderfs", "./binderfs" [pid 641] <... bpf resumed>) = 4 [pid 641] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 644] <... symlink resumed>) = 0 [pid 644] write(1, "executing program\n", 18executing program ) = 18 [pid 644] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 647] chdir("./29" [pid 646] chdir("./32" [pid 644] <... bpf resumed>) = 3 [pid 644] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 647] <... chdir resumed>) = 0 [pid 646] <... chdir resumed>) = 0 [pid 646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 644] <... bpf resumed>) = 0 [pid 647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 644] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 646] <... prctl resumed>) = 0 [pid 647] <... prctl resumed>) = 0 [pid 644] <... bpf resumed>) = 4 [pid 644] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 647] setpgid(0, 0 [pid 646] setpgid(0, 0 [pid 647] <... setpgid resumed>) = 0 [pid 646] <... setpgid resumed>) = 0 [pid 643] <... bpf resumed>) = 5 [pid 641] <... bpf resumed>) = 5 [pid 644] <... bpf resumed>) = 5 [pid 643] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 643] ioctl(6, PPPIOCNEWUNIT [pid 647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 644] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 643] <... ioctl resumed>, 0x20001400) = 0 [pid 641] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 643] bpf(BPF_PROG_LOAD, NULL, 0 [pid 641] <... openat resumed>) = 6 [pid 644] <... openat resumed>) = 6 [pid 641] ioctl(6, PPPIOCNEWUNIT [pid 643] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 641] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 644] ioctl(6, PPPIOCNEWUNIT [pid 643] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 643] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 643] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 646] <... openat resumed>) = 3 [pid 644] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 641] bpf(BPF_PROG_LOAD, NULL, 0 [pid 647] <... openat resumed>) = 3 [pid 646] write(3, "1000", 4 [pid 644] bpf(BPF_PROG_LOAD, NULL, 0 [pid 643] <... bpf resumed>) = 8 [pid 641] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 641] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 646] <... write resumed>) = 4 [pid 644] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 641] <... bpf resumed>) = 7 [pid 641] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 644] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 641] <... bpf resumed>) = 0 [pid 644] <... bpf resumed>) = 7 [pid 641] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 646] close(3 [pid 644] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 643] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 643] exit_group(0) = ? [pid 644] <... bpf resumed>) = 0 [pid 641] <... bpf resumed>) = 8 [pid 646] <... close resumed>) = 0 [pid 644] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 641] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 644] <... bpf resumed>) = 8 [pid 641] <... bpf resumed>) = 9 [pid 646] symlink("/dev/binderfs", "./binderfs" [pid 641] exit_group(0 [pid 644] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 641] <... exit_group resumed>) = ? [pid 641] +++ exited with 0 +++ [pid 644] <... bpf resumed>) = 9 [pid 647] write(3, "1000", 4 [pid 646] <... symlink resumed>) = 0 [pid 644] exit_group(0 executing program [pid 646] write(1, "executing program\n", 18 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 644] <... exit_group resumed>) = ? [pid 646] <... write resumed>) = 18 [pid 296] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 647] <... write resumed>) = 4 [pid 646] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 644] +++ exited with 0 +++ [pid 296] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 647] close(3) = 0 [pid 647] symlink("/dev/binderfs", "./binderfs" [pid 646] <... bpf resumed>) = 3 [pid 296] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 647] <... symlink resumed>) = 0 executing program [pid 647] write(1, "executing program\n", 18) = 18 [pid 646] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", [pid 295] umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] getdents64(3, [pid 295] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 647] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... openat resumed>) = 3 [pid 296] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] newfstatat(3, "", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] newfstatat(AT_FDCWD, "./30/binderfs", [pid 295] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 647] <... bpf resumed>) = 3 [pid 296] unlink("./30/binderfs" [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 647] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 647] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 646] <... bpf resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 646] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] newfstatat(AT_FDCWD, "./28/binderfs", [pid 296] close(3 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... close resumed>) = 0 [pid 295] unlink("./28/binderfs" [pid 296] rmdir("./30" [pid 647] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] <... unlink resumed>) = 0 [pid 647] <... bpf resumed>) = 5 [pid 296] <... rmdir resumed>) = 0 [pid 295] getdents64(3, [pid 296] mkdir("./31", 0777 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 647] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 647] ioctl(6, PPPIOCNEWUNIT [pid 296] <... mkdir resumed>) = 0 [pid 295] close(3 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... close resumed>) = 0 ./strace-static-x86_64: Process 648 attached [pid 647] <... ioctl resumed>, 0x20001400) = 0 [pid 646] <... bpf resumed>) = 4 [pid 295] rmdir("./28" [pid 646] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 648 [pid 647] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 295] <... rmdir resumed>) = 0 [pid 647] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 646] <... bpf resumed>) = 5 [pid 295] mkdir("./29", 0777 [pid 646] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 647] <... bpf resumed>) = 7 [pid 647] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] <... mkdir resumed>) = 0 [pid 647] <... bpf resumed>) = 0 [pid 647] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 646] <... openat resumed>) = 6 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 648] set_robust_list(0x55555719e760, 24 [pid 646] ioctl(6, PPPIOCNEWUNIT [pid 648] <... set_robust_list resumed>) = 0 [pid 647] <... bpf resumed>) = 8 [pid 646] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 647] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 647] exit_group(0) = ? [pid 646] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 649 [pid 646] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 646] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 648] chdir("./31" [pid 646] <... bpf resumed>) = 7 [pid 648] <... chdir resumed>) = 0 [pid 646] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4./strace-static-x86_64: Process 649 attached [pid 649] set_robust_list(0x55555719e760, 24 [pid 648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 646] <... bpf resumed>) = 0 [pid 648] <... prctl resumed>) = 0 [pid 646] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 649] <... set_robust_list resumed>) = 0 [pid 649] chdir("./29") = 0 [pid 649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 649] setpgid(0, 0) = 0 [pid 649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 646] <... bpf resumed>) = 8 [pid 649] <... openat resumed>) = 3 [pid 646] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 648] setpgid(0, 0 [pid 649] write(3, "1000", 4 [pid 646] <... bpf resumed>) = 9 [pid 646] exit_group(0 [pid 649] <... write resumed>) = 4 [pid 648] <... setpgid resumed>) = 0 [pid 646] <... exit_group resumed>) = ? [pid 646] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=646, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 649] close(3 [pid 648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] <... restart_syscall resumed>) = 0 [pid 298] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 649] <... close resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 649] symlink("/dev/binderfs", "./binderfs" [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 649] <... symlink resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./32/binderfs", executing program [pid 649] write(1, "executing program\n", 18 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./32/binderfs" [pid 649] <... write resumed>) = 18 [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./32") = 0 [pid 298] mkdir("./33", 0777 [pid 649] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 648] <... openat resumed>) = 3 [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 649] <... bpf resumed>) = 3 [pid 648] write(3, "1000", 4 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 651 [pid 648] <... write resumed>) = 4 [pid 649] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 648] close(3) = 0 [pid 649] <... bpf resumed>) = 0 [pid 648] symlink("/dev/binderfs", "./binderfs" [pid 649] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 651 attached [pid 651] set_robust_list(0x55555719e760, 24) = 0 [pid 651] chdir("./33" [pid 648] <... symlink resumed>) = 0 [pid 651] <... chdir resumed>) = 0 [pid 651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 651] setpgid(0, 0) = 0 executing program [pid 651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 649] <... bpf resumed>) = 4 [pid 648] write(1, "executing program\n", 18 [pid 651] <... openat resumed>) = 3 [pid 648] <... write resumed>) = 18 [pid 651] write(3, "1000", 4 [pid 648] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 649] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 648] <... bpf resumed>) = 3 [pid 648] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 651] <... write resumed>) = 4 [pid 648] <... bpf resumed>) = 0 [pid 651] close(3) = 0 [pid 651] symlink("/dev/binderfs", "./binderfs"executing program [pid 648] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 651] <... symlink resumed>) = 0 [pid 651] write(1, "executing program\n", 18) = 18 [pid 648] <... bpf resumed>) = 4 [pid 651] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 648] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 651] <... bpf resumed>) = 3 [pid 651] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 651] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 649] <... bpf resumed>) = 5 [pid 648] <... bpf resumed>) = 5 [pid 643] +++ exited with 0 +++ [pid 651] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 651] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 651] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 649] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 648] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=643, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 651] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 651] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 651] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 651] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 649] <... openat resumed>) = 6 [pid 648] <... openat resumed>) = 6 [pid 649] ioctl(6, PPPIOCNEWUNIT [pid 648] ioctl(6, PPPIOCNEWUNIT [pid 651] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 651] exit_group(0) = ? [pid 649] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 648] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 649] bpf(BPF_PROG_LOAD, NULL, 0 [pid 648] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 649] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 648] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 649] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 648] <... bpf resumed>) = 7 [pid 299] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 649] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 648] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 649] <... bpf resumed>) = 0 [pid 648] <... bpf resumed>) = 0 [pid 299] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 649] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 648] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... openat resumed>) = 3 [pid 649] <... bpf resumed>) = 8 [pid 648] <... bpf resumed>) = 8 [pid 299] newfstatat(3, "", [pid 649] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 648] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 649] <... bpf resumed>) = 9 [pid 648] <... bpf resumed>) = 9 [pid 299] getdents64(3, [pid 649] exit_group(0 [pid 648] exit_group(0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 649] <... exit_group resumed>) = ? [pid 648] <... exit_group resumed>) = ? [pid 299] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 649] +++ exited with 0 +++ [pid 648] +++ exited with 0 +++ [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=648, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=649, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] unlink("./30/binderfs" [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 299] <... unlink resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 296] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... close resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] rmdir("./30" [pid 296] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... rmdir resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 299] mkdir("./31", 0777 [pid 296] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 299] <... mkdir resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 656 [pid 296] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./31/binderfs", [pid 295] newfstatat(AT_FDCWD, "./29/binderfs", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./31/binderfs" [pid 295] unlink("./29/binderfs" [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 295] close(3 [pid 296] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 296] rmdir("./31" [pid 295] rmdir("./29" [pid 296] <... rmdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 296] mkdir("./32", 0777 [pid 295] mkdir("./30", 0777 [pid 296] <... mkdir resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 659 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 660 ./strace-static-x86_64: Process 656 attached [pid 656] set_robust_list(0x55555719e760, 24) = 0 [pid 656] chdir("./31") = 0 [pid 656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 660 attached ./strace-static-x86_64: Process 659 attached [pid 651] +++ exited with 0 +++ [pid 647] +++ exited with 0 +++ [pid 660] set_robust_list(0x55555719e760, 24 [pid 659] set_robust_list(0x55555719e760, 24 [pid 656] setpgid(0, 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 660] <... set_robust_list resumed>) = 0 [pid 659] <... set_robust_list resumed>) = 0 [pid 656] <... setpgid resumed>) = 0 [pid 659] chdir("./32" [pid 656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 660] chdir("./30" [pid 659] <... chdir resumed>) = 0 [pid 656] <... openat resumed>) = 3 [pid 298] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 660] <... chdir resumed>) = 0 [pid 659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 656] write(3, "1000", 4 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW [pid 660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 659] <... prctl resumed>) = 0 [pid 656] <... write resumed>) = 4 [pid 298] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 660] <... prctl resumed>) = 0 [pid 659] setpgid(0, 0 [pid 656] close(3 [pid 298] <... openat resumed>) = 3 [pid 297] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 660] setpgid(0, 0 [pid 659] <... setpgid resumed>) = 0 [pid 656] <... close resumed>) = 0 [pid 298] newfstatat(3, "", [pid 297] <... openat resumed>) = 3 [pid 660] <... setpgid resumed>) = 0 [pid 659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 656] symlink("/dev/binderfs", "./binderfs" [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] newfstatat(3, "", [pid 660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 659] <... openat resumed>) = 3 [pid 656] <... symlink resumed>) = 0 [pid 298] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program [pid 660] <... openat resumed>) = 3 [pid 659] write(3, "1000", 4 [pid 656] write(1, "executing program\n", 18 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] getdents64(3, [pid 660] write(3, "1000", 4 [pid 659] <... write resumed>) = 4 [pid 656] <... write resumed>) = 18 [pid 298] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 660] <... write resumed>) = 4 [pid 659] close(3 [pid 656] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 660] close(3 [pid 659] <... close resumed>) = 0 [pid 656] <... bpf resumed>) = 3 [pid 298] newfstatat(AT_FDCWD, "./33/binderfs", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 660] <... close resumed>) = 0 [pid 659] symlink("/dev/binderfs", "./binderfs" [pid 656] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 660] symlink("/dev/binderfs", "./binderfs" [pid 659] <... symlink resumed>) = 0 [pid 656] <... bpf resumed>) = 0 [pid 298] unlink("./33/binderfs"executing program [pid 297] unlink("./29/binderfs" [pid 660] <... symlink resumed>) = 0 [pid 659] write(1, "executing program\n", 18 [pid 656] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program [pid 298] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 660] write(1, "executing program\n", 18 [pid 659] <... write resumed>) = 18 [pid 656] <... bpf resumed>) = 4 [pid 298] getdents64(3, [pid 297] getdents64(3, [pid 660] <... write resumed>) = 18 [pid 659] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 656] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 660] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 659] <... bpf resumed>) = 3 [pid 298] close(3 [pid 297] close(3 [pid 660] <... bpf resumed>) = 3 [pid 659] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 660] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 656] <... bpf resumed>) = 5 [pid 298] <... close resumed>) = 0 [pid 659] <... bpf resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 660] <... bpf resumed>) = 0 [pid 659] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 656] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] rmdir("./33" [pid 297] rmdir("./29" [pid 660] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 656] <... openat resumed>) = 6 [pid 659] <... bpf resumed>) = 4 [pid 656] ioctl(6, PPPIOCNEWUNIT [pid 660] <... bpf resumed>) = 4 [pid 656] <... ioctl resumed>, 0x20001400) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 656] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 656] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] mkdir("./34", 0777 [pid 297] mkdir("./30", 0777 [pid 656] <... bpf resumed>) = 7 [pid 656] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 656] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... mkdir resumed>) = 0 [pid 660] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 659] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 656] <... bpf resumed>) = 8 [pid 298] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 660] <... bpf resumed>) = 5 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 656] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 660] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 659] <... bpf resumed>) = 5 [pid 656] exit_group(0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 666 [pid 660] <... openat resumed>) = 6 [pid 659] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 656] <... exit_group resumed>) = ? [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 667 ./strace-static-x86_64: Process 667 attached ./strace-static-x86_64: Process 666 attached [pid 660] ioctl(6, PPPIOCNEWUNIT [pid 659] <... openat resumed>) = 6 [pid 667] set_robust_list(0x55555719e760, 24 [pid 660] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 659] ioctl(6, PPPIOCNEWUNIT [pid 667] <... set_robust_list resumed>) = 0 [pid 660] bpf(BPF_PROG_LOAD, NULL, 0 [pid 659] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 667] chdir("./34" [pid 666] set_robust_list(0x55555719e760, 24 [pid 660] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 659] bpf(BPF_PROG_LOAD, NULL, 0 [pid 667] <... chdir resumed>) = 0 [pid 666] <... set_robust_list resumed>) = 0 [pid 660] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 659] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 666] chdir("./30" [pid 660] <... bpf resumed>) = 7 [pid 659] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 667] <... prctl resumed>) = 0 [pid 666] <... chdir resumed>) = 0 [pid 660] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 659] <... bpf resumed>) = 7 [pid 667] setpgid(0, 0 [pid 666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 660] <... bpf resumed>) = 0 [pid 659] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 667] <... setpgid resumed>) = 0 [pid 666] <... prctl resumed>) = 0 [pid 660] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 659] <... bpf resumed>) = 0 [pid 667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 666] setpgid(0, 0 [pid 660] <... bpf resumed>) = 8 [pid 659] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 667] <... openat resumed>) = 3 [pid 666] <... setpgid resumed>) = 0 [pid 660] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 659] <... bpf resumed>) = 8 [pid 667] write(3, "1000", 4 [pid 666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 660] <... bpf resumed>) = 9 [pid 659] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 667] <... write resumed>) = 4 [pid 666] <... openat resumed>) = 3 [pid 660] exit_group(0 [pid 659] <... bpf resumed>) = 9 [pid 667] close(3 [pid 666] write(3, "1000", 4 [pid 660] <... exit_group resumed>) = ? [pid 659] exit_group(0 [pid 667] <... close resumed>) = 0 [pid 666] <... write resumed>) = 4 [pid 660] +++ exited with 0 +++ [pid 659] <... exit_group resumed>) = ? [pid 667] symlink("/dev/binderfs", "./binderfs" [pid 666] close(3 [pid 659] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=660, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 667] <... symlink resumed>) = 0 [pid 666] <... close resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> executing program [pid 667] write(1, "executing program\n", 18 [pid 666] symlink("/dev/binderfs", "./binderfs" [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] <... restart_syscall resumed>) = 0 [pid 667] <... write resumed>) = 18 [pid 666] <... symlink resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 667] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 666] write(1, "executing program\n", 18 [pid 667] <... bpf resumed>) = 3 [pid 666] <... write resumed>) = 18 [pid 295] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW [pid 667] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 666] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 667] <... bpf resumed>) = 0 [pid 666] <... bpf resumed>) = 3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 667] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 666] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... openat resumed>) = 3 [pid 667] <... bpf resumed>) = 4 [pid 666] <... bpf resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", [pid 667] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 666] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] newfstatat(3, "", [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 667] <... bpf resumed>) = 5 [pid 666] <... bpf resumed>) = 4 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, [pid 667] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 666] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] getdents64(3, [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 667] <... openat resumed>) = 6 [pid 666] <... bpf resumed>) = 5 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 667] ioctl(6, PPPIOCNEWUNIT [pid 666] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 667] <... ioctl resumed>, 0x20001400) = 0 [pid 666] <... openat resumed>) = 6 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./30/binderfs", [pid 667] bpf(BPF_PROG_LOAD, NULL, 0 [pid 666] ioctl(6, PPPIOCNEWUNIT [pid 296] newfstatat(AT_FDCWD, "./32/binderfs", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 667] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 666] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./30/binderfs" [pid 667] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 666] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] unlink("./32/binderfs" [pid 295] <... unlink resumed>) = 0 [pid 667] <... bpf resumed>) = 7 [pid 666] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 667] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 666] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] getdents64(3, [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 667] <... bpf resumed>) = 0 [pid 666] <... bpf resumed>) = 7 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3 [pid 667] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 666] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] close(3 [pid 295] <... close resumed>) = 0 [pid 667] <... bpf resumed>) = 8 [pid 666] <... bpf resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 295] rmdir("./30" [pid 667] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 666] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] rmdir("./32" [pid 295] <... rmdir resumed>) = 0 [pid 667] <... bpf resumed>) = 9 [pid 666] <... bpf resumed>) = 8 [pid 296] <... rmdir resumed>) = 0 [pid 295] mkdir("./31", 0777 [pid 667] exit_group(0 [pid 666] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] mkdir("./33", 0777 [pid 295] <... mkdir resumed>) = 0 [pid 667] <... exit_group resumed>) = ? [pid 666] <... bpf resumed>) = 9 [pid 296] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 666] exit_group(0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 666] <... exit_group resumed>) = ? [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 670 [pid 666] +++ exited with 0 +++ [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 671 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=666, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 671 attached [pid 671] set_robust_list(0x55555719e760, 24) = 0 [pid 671] chdir("./33") = 0 [pid 671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 671] setpgid(0, 0) = 0 [pid 671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 671] write(3, "1000", 4) = 4 [pid 297] umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./30/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./30") = 0 [pid 297] mkdir("./31", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 672 [pid 671] close(3) = 0 [pid 671] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 671] write(1, "executing program\n", 18) = 18 [pid 671] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 671] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 671] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 671] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 672 attached [pid 672] set_robust_list(0x55555719e760, 24) = 0 [pid 672] chdir("./31") = 0 [pid 672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 670 attached [pid 672] setpgid(0, 0 [pid 670] set_robust_list(0x55555719e760, 24 [pid 672] <... setpgid resumed>) = 0 [pid 670] <... set_robust_list resumed>) = 0 [pid 672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 670] chdir("./31" [pid 672] <... openat resumed>) = 3 [pid 670] <... chdir resumed>) = 0 [pid 672] write(3, "1000", 4 [pid 670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 672] <... write resumed>) = 4 [pid 670] <... prctl resumed>) = 0 [pid 672] close(3 [pid 670] setpgid(0, 0 [pid 672] <... close resumed>) = 0 [pid 670] <... setpgid resumed>) = 0 [pid 672] symlink("/dev/binderfs", "./binderfs" [pid 670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 672] <... symlink resumed>) = 0 [pid 670] <... openat resumed>) = 3 [pid 672] write(1, "executing program\n", 18 [pid 670] write(3, "1000", 4executing program [pid 672] <... write resumed>) = 18 [pid 670] <... write resumed>) = 4 [pid 672] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 670] close(3 [pid 672] <... bpf resumed>) = 3 [pid 670] <... close resumed>) = 0 [pid 672] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 670] symlink("/dev/binderfs", "./binderfs" [pid 672] <... bpf resumed>) = 0 [pid 670] <... symlink resumed>) = 0 [pid 672] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 670] write(1, "executing program\n", 18executing program [pid 672] <... bpf resumed>) = 4 [pid 670] <... write resumed>) = 18 [pid 672] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 670] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 671] <... bpf resumed>) = 5 [pid 670] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 656] +++ exited with 0 +++ [pid 671] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 670] <... bpf resumed>) = 0 [pid 671] <... openat resumed>) = 6 [pid 670] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=656, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 671] ioctl(6, PPPIOCNEWUNIT [pid 670] <... bpf resumed>) = 4 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 671] <... ioctl resumed>, 0x20001400) = 0 [pid 670] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] <... restart_syscall resumed>) = 0 [pid 671] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 671] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 671] <... bpf resumed>) = 7 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 671] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 671] <... bpf resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 671] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] newfstatat(3, "", [pid 671] <... bpf resumed>) = 8 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 671] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./31/binderfs") = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./31") = 0 [pid 299] mkdir("./32", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 677 ./strace-static-x86_64: Process 677 attached [pid 677] set_robust_list(0x55555719e760, 24) = 0 [pid 677] chdir("./32") = 0 [pid 677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 677] setpgid(0, 0) = 0 [pid 677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 677] write(3, "1000", 4) = 4 [pid 677] close(3) = 0 [pid 677] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 677] write(1, "executing program\n", 18) = 18 [pid 677] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 677] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 677] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 677] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 672] <... bpf resumed>) = 5 [pid 671] <... bpf resumed>) = 9 [pid 670] <... bpf resumed>) = 5 [pid 667] +++ exited with 0 +++ [pid 677] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 672] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 671] exit_group(0 [pid 670] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 677] <... openat resumed>) = 6 [pid 672] <... openat resumed>) = 6 [pid 671] <... exit_group resumed>) = ? [pid 670] <... openat resumed>) = 6 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 677] ioctl(6, PPPIOCNEWUNIT [pid 672] ioctl(6, PPPIOCNEWUNIT [pid 670] ioctl(6, PPPIOCNEWUNIT [pid 677] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 672] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 670] <... ioctl resumed>, 0x20001400) = 0 [pid 298] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 677] bpf(BPF_PROG_LOAD, NULL, 0 [pid 672] bpf(BPF_PROG_LOAD, NULL, 0 [pid 670] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 677] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 672] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 670] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 677] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 672] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 670] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... openat resumed>) = 3 [pid 677] <... bpf resumed>) = 7 [pid 672] <... bpf resumed>) = 7 [pid 670] <... bpf resumed>) = 7 [pid 298] newfstatat(3, "", [pid 677] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 672] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 670] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 677] <... bpf resumed>) = 0 [pid 672] <... bpf resumed>) = 0 [pid 670] <... bpf resumed>) = 0 [pid 298] getdents64(3, [pid 677] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 672] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 670] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 677] <... bpf resumed>) = 8 [pid 672] <... bpf resumed>) = 8 [pid 670] <... bpf resumed>) = 8 [pid 298] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 677] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 672] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 670] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 677] <... bpf resumed>) = 9 [pid 672] <... bpf resumed>) = 9 [pid 670] <... bpf resumed>) = 9 [pid 298] newfstatat(AT_FDCWD, "./34/binderfs", [pid 677] exit_group(0 [pid 672] exit_group(0 [pid 670] exit_group(0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 677] <... exit_group resumed>) = ? [pid 672] <... exit_group resumed>) = ? [pid 670] <... exit_group resumed>) = ? [pid 298] unlink("./34/binderfs" [pid 677] +++ exited with 0 +++ [pid 672] +++ exited with 0 +++ [pid 298] <... unlink resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=677, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] getdents64(3, [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 299] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... close resumed>) = 0 [pid 297] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] rmdir("./34" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... rmdir resumed>) = 0 [pid 297] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... openat resumed>) = 3 [pid 298] mkdir("./35", 0777 [pid 297] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 298] <... mkdir resumed>) = 0 [pid 297] newfstatat(3, "", [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 297] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 683 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./32/binderfs", [pid 297] newfstatat(AT_FDCWD, "./31/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./32/binderfs" [pid 297] unlink("./31/binderfs" [pid 299] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 297] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 297] close(3 [pid 299] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 299] rmdir("./32" [pid 297] rmdir("./31" [pid 299] <... rmdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 299] mkdir("./33", 0777 [pid 297] mkdir("./32", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 684 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 685 ./strace-static-x86_64: Process 684 attached [pid 684] set_robust_list(0x55555719e760, 24./strace-static-x86_64: Process 685 attached ) = 0 [pid 685] set_robust_list(0x55555719e760, 24 [pid 684] chdir("./33" [pid 685] <... set_robust_list resumed>) = 0 [pid 685] chdir("./32" [pid 684] <... chdir resumed>) = 0 [pid 684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 684] setpgid(0, 0 [pid 685] <... chdir resumed>) = 0 [pid 685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 684] <... setpgid resumed>) = 0 [pid 685] <... prctl resumed>) = 0 [pid 684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 685] setpgid(0, 0) = 0 [pid 685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 684] <... openat resumed>) = 3 [pid 685] <... openat resumed>) = 3 [pid 684] write(3, "1000", 4) = 4 [pid 684] close(3) = 0 [pid 685] write(3, "1000", 4) = 4 [pid 684] symlink("/dev/binderfs", "./binderfs") = 0 [pid 685] close(3) = 0 [pid 685] symlink("/dev/binderfs", "./binderfs") = 0 [pid 684] write(1, "executing program\n", 18executing program ) = 18 [pid 684] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 685] write(1, "executing program\n", 18executing program ) = 18 [pid 685] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 684] <... bpf resumed>) = 3 [pid 685] <... bpf resumed>) = 3 [pid 684] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 685] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 684] <... bpf resumed>) = 0 [pid 684] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 685] <... bpf resumed>) = 0 [pid 685] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 684] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 683 attached [pid 685] <... bpf resumed>) = 4 [pid 685] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 684] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 685] <... bpf resumed>) = 5 [pid 684] <... bpf resumed>) = 5 [pid 683] set_robust_list(0x55555719e760, 24 [pid 685] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 684] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 685] <... openat resumed>) = 6 [pid 684] <... openat resumed>) = 6 [pid 685] ioctl(6, PPPIOCNEWUNIT [pid 684] ioctl(6, PPPIOCNEWUNIT [pid 683] <... set_robust_list resumed>) = 0 [pid 683] chdir("./35") = 0 [pid 683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 685] <... ioctl resumed>, 0x20001400) = 0 [pid 684] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 683] <... prctl resumed>) = 0 [pid 684] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 684] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 683] setpgid(0, 0 [pid 685] bpf(BPF_PROG_LOAD, NULL, 0 [pid 684] <... bpf resumed>) = 7 [pid 685] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 684] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 683] <... setpgid resumed>) = 0 [pid 685] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 684] <... bpf resumed>) = 0 [pid 685] <... bpf resumed>) = 7 [pid 684] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 685] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 684] <... bpf resumed>) = 8 [pid 683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 685] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 684] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 685] <... bpf resumed>) = 8 [pid 684] <... bpf resumed>) = 9 [pid 685] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 684] exit_group(0 [pid 683] <... openat resumed>) = 3 [pid 685] <... bpf resumed>) = 9 [pid 684] <... exit_group resumed>) = ? [pid 683] write(3, "1000", 4 [pid 685] exit_group(0 [pid 684] +++ exited with 0 +++ [pid 683] <... write resumed>) = 4 [pid 685] <... exit_group resumed>) = ? [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 683] close(3) = 0 [pid 299] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 683] symlink("/dev/binderfs", "./binderfs" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./33/binderfs", [pid 683] <... symlink resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./33/binderfs" [pid 683] write(1, "executing program\n", 18 [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, executing program 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 683] <... write resumed>) = 18 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./33" [pid 683] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./34", 0777 [pid 683] <... bpf resumed>) = 3 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 683] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 688 [pid 683] <... bpf resumed>) = 0 [pid 683] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 671] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=671, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", [pid 683] <... bpf resumed>) = 4 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 683] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./33/binderfs" [pid 683] <... bpf resumed>) = 5 [pid 296] <... unlink resumed>) = 0 [pid 683] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 683] <... openat resumed>) = 6 [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./33" [pid 683] ioctl(6, PPPIOCNEWUNIT [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./34", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 683] <... ioctl resumed>, 0x20001400) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 689 [pid 683] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 689 attached [pid 689] set_robust_list(0x55555719e760, 24) = 0 [pid 689] chdir("./34" [pid 683] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 689] <... chdir resumed>) = 0 [pid 689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 689] setpgid(0, 0) = 0 [pid 689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 683] <... bpf resumed>) = 7 [pid 683] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 689] <... openat resumed>) = 3 [pid 683] <... bpf resumed>) = 0 ./strace-static-x86_64: Process 688 attached executing program [pid 689] write(3, "1000", 4 [pid 688] set_robust_list(0x55555719e760, 24 [pid 683] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 689] <... write resumed>) = 4 [pid 688] <... set_robust_list resumed>) = 0 [pid 689] close(3 [pid 688] chdir("./34" [pid 689] <... close resumed>) = 0 [pid 688] <... chdir resumed>) = 0 [pid 689] symlink("/dev/binderfs", "./binderfs" [pid 688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 689] <... symlink resumed>) = 0 [pid 688] <... prctl resumed>) = 0 [pid 689] write(1, "executing program\n", 18 [pid 688] setpgid(0, 0 [pid 689] <... write resumed>) = 18 [pid 688] <... setpgid resumed>) = 0 [pid 689] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 689] <... bpf resumed>) = 3 [pid 688] <... openat resumed>) = 3 [pid 689] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 688] write(3, "1000", 4 [pid 689] <... bpf resumed>) = 0 [pid 688] <... write resumed>) = 4 [pid 689] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 688] close(3 [pid 689] <... bpf resumed>) = 4 [pid 688] <... close resumed>) = 0 [pid 689] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 688] symlink("/dev/binderfs", "./binderfs" [pid 689] <... bpf resumed>) = 5 [pid 688] <... symlink resumed>) = 0 [pid 689] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 688] write(1, "executing program\n", 18 [pid 683] <... bpf resumed>) = 8 executing program [pid 689] <... openat resumed>) = 6 [pid 688] <... write resumed>) = 18 [pid 689] ioctl(6, PPPIOCNEWUNIT [pid 688] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 683] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 689] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 688] <... bpf resumed>) = 3 [pid 689] bpf(BPF_PROG_LOAD, NULL, 0 [pid 688] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 689] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 688] <... bpf resumed>) = 0 [pid 689] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 688] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 689] <... bpf resumed>) = 7 [pid 688] <... bpf resumed>) = 4 [pid 683] <... bpf resumed>) = 9 [pid 688] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 688] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 683] exit_group(0 [pid 689] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 688] ioctl(6, PPPIOCNEWUNIT [pid 683] <... exit_group resumed>) = ? [pid 688] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 688] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 688] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 688] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 688] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 689] <... bpf resumed>) = 0 [pid 688] <... bpf resumed>) = 8 [pid 688] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 689] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 688] exit_group(0) = ? [pid 688] +++ exited with 0 +++ [pid 689] <... bpf resumed>) = 8 [pid 689] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=688, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 689] exit_group(0) = ? [pid 670] +++ exited with 0 +++ [pid 685] +++ exited with 0 +++ [pid 299] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=685, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./34/binderfs") = 0 [pid 297] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] close(3 [pid 297] <... openat resumed>) = 3 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./34") = 0 [pid 297] newfstatat(3, "", [pid 295] <... openat resumed>) = 3 [pid 299] mkdir("./35", 0777 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] newfstatat(3, "", [pid 299] <... mkdir resumed>) = 0 [pid 297] getdents64(3, [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] getdents64(3, [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 692 [pid 297] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] newfstatat(AT_FDCWD, "./32/binderfs", [pid 295] umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] unlink("./32/binderfs" [pid 295] newfstatat(AT_FDCWD, "./31/binderfs", [pid 297] <... unlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] getdents64(3, [pid 295] unlink("./31/binderfs" [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... unlink resumed>) = 0 [pid 297] close(3 [pid 295] getdents64(3, [pid 297] <... close resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] rmdir("./32" [pid 295] close(3 [pid 297] <... rmdir resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 297] mkdir("./33", 0777 [pid 295] rmdir("./31" [pid 297] <... mkdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] mkdir("./32", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 694 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 695 ./strace-static-x86_64: Process 695 attached ./strace-static-x86_64: Process 694 attached ./strace-static-x86_64: Process 692 attached [pid 695] set_robust_list(0x55555719e760, 24) = 0 [pid 695] chdir("./32" [pid 692] set_robust_list(0x55555719e760, 24 [pid 694] set_robust_list(0x55555719e760, 24 [pid 695] <... chdir resumed>) = 0 [pid 694] <... set_robust_list resumed>) = 0 [pid 692] <... set_robust_list resumed>) = 0 [pid 695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 695] setpgid(0, 0) = 0 [pid 695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 692] chdir("./35" [pid 695] <... openat resumed>) = 3 [pid 692] <... chdir resumed>) = 0 [pid 695] write(3, "1000", 4 [pid 692] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 694] chdir("./33" [pid 695] <... write resumed>) = 4 [pid 692] <... prctl resumed>) = 0 [pid 694] <... chdir resumed>) = 0 [pid 695] close(3) = 0 [pid 692] setpgid(0, 0 [pid 694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 695] symlink("/dev/binderfs", "./binderfs" [pid 692] <... setpgid resumed>) = 0 [pid 694] <... prctl resumed>) = 0 executing program [pid 695] <... symlink resumed>) = 0 [pid 695] write(1, "executing program\n", 18) = 18 [pid 695] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 694] setpgid(0, 0 [pid 692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 695] <... bpf resumed>) = 3 [pid 695] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 695] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 694] <... setpgid resumed>) = 0 [pid 692] <... openat resumed>) = 3 [pid 695] <... bpf resumed>) = 4 [pid 692] write(3, "1000", 4 [pid 695] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 692] <... write resumed>) = 4 [pid 692] close(3) = 0 [pid 692] symlink("/dev/binderfs", "./binderfs") = 0 [pid 694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 692] write(1, "executing program\n", 18executing program ) = 18 [pid 692] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 694] <... openat resumed>) = 3 [pid 692] <... bpf resumed>) = 3 [pid 694] write(3, "1000", 4 [pid 692] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 694] <... write resumed>) = 4 [pid 694] close(3 [pid 692] <... bpf resumed>) = 0 [pid 689] +++ exited with 0 +++ [pid 683] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=683, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=689, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 298] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./35/binderfs", [pid 296] <... restart_syscall resumed>) = 0 [pid 692] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./35/binderfs" [pid 296] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] <... unlink resumed>) = 0 [pid 296] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] getdents64(3, [pid 296] <... openat resumed>) = 3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] newfstatat(3, "", [pid 298] close(3 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... close resumed>) = 0 [pid 296] getdents64(3, [pid 298] rmdir("./35" [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 296] unlink("./34/binderfs" [pid 694] <... close resumed>) = 0 [pid 692] <... bpf resumed>) = 4 [pid 298] mkdir("./36", 0777 [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./34" [pid 694] symlink("/dev/binderfs", "./binderfs" [pid 692] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] <... mkdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] mkdir("./35", 0777) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 696 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 694] <... symlink resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 697 ./strace-static-x86_64: Process 696 attached [pid 694] write(1, "executing program\n", 18 [pid 696] set_robust_list(0x55555719e760, 24) = 0 executing program [pid 694] <... write resumed>) = 18 [pid 694] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 696] chdir("./36" [pid 694] <... bpf resumed>) = 3 [pid 694] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 696] <... chdir resumed>) = 0 [pid 696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 694] <... bpf resumed>) = 0 [pid 694] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 696] <... prctl resumed>) = 0 [pid 696] setpgid(0, 0) = 0 [pid 696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 696] write(3, "1000", 4) = 4 [pid 696] close(3 [pid 694] <... bpf resumed>) = 4 [pid 694] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 696] <... close resumed>) = 0 [pid 696] symlink("/dev/binderfs", "./binderfs") = 0 [pid 696] write(1, "executing program\n", 18executing program ) = 18 [pid 696] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 696] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 696] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 ./strace-static-x86_64: Process 697 attached [pid 697] set_robust_list(0x55555719e760, 24) = 0 [pid 697] chdir("./35") = 0 [pid 697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 697] setpgid(0, 0) = 0 [pid 697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 696] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 697] <... openat resumed>) = 3 [pid 697] write(3, "1000", 4executing program ) = 4 [pid 697] close(3) = 0 [pid 697] symlink("/dev/binderfs", "./binderfs") = 0 [pid 697] write(1, "executing program\n", 18) = 18 [pid 697] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 697] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 697] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 697] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 695] <... bpf resumed>) = 5 [pid 695] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 695] ioctl(6, PPPIOCNEWUNIT [pid 692] <... bpf resumed>) = 5 [pid 697] <... bpf resumed>) = 5 [pid 696] <... bpf resumed>) = 5 [pid 695] <... ioctl resumed>, 0x20001400) = 0 [pid 694] <... bpf resumed>) = 5 [pid 697] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 696] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 695] bpf(BPF_PROG_LOAD, NULL, 0 [pid 697] <... openat resumed>) = 6 [pid 696] <... openat resumed>) = 6 [pid 695] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 697] ioctl(6, PPPIOCNEWUNIT [pid 696] ioctl(6, PPPIOCNEWUNIT [pid 695] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 697] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 696] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 695] <... bpf resumed>) = 7 [pid 697] bpf(BPF_PROG_LOAD, NULL, 0 [pid 696] bpf(BPF_PROG_LOAD, NULL, 0 [pid 695] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 697] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 696] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 695] <... bpf resumed>) = 0 [pid 697] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 696] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 695] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 697] <... bpf resumed>) = 7 [pid 696] <... bpf resumed>) = 7 [pid 695] <... bpf resumed>) = 8 [pid 694] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 692] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 697] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 696] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 695] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 697] <... bpf resumed>) = 0 [pid 696] <... bpf resumed>) = 0 [pid 695] <... bpf resumed>) = 9 [pid 697] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 696] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 695] exit_group(0 [pid 694] <... openat resumed>) = 6 [pid 692] <... openat resumed>) = 6 [pid 697] <... bpf resumed>) = 8 [pid 696] <... bpf resumed>) = 8 [pid 695] <... exit_group resumed>) = ? [pid 697] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 696] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 694] ioctl(6, PPPIOCNEWUNIT [pid 692] ioctl(6, PPPIOCNEWUNIT [pid 697] <... bpf resumed>) = 9 [pid 696] <... bpf resumed>) = 9 [pid 697] exit_group(0 [pid 696] exit_group(0 [pid 697] <... exit_group resumed>) = ? [pid 696] <... exit_group resumed>) = ? [pid 697] +++ exited with 0 +++ [pid 696] +++ exited with 0 +++ [pid 694] <... ioctl resumed>, 0x20001400) = 0 [pid 692] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=697, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 692] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 296] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 694] bpf(BPF_PROG_LOAD, NULL, 0 [pid 692] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] newfstatat(AT_FDCWD, "./35/binderfs", [pid 692] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 694] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 692] <... bpf resumed>) = 7 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] unlink("./35/binderfs" [pid 694] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 692] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 692] <... bpf resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 296] rmdir("./35" [pid 694] <... bpf resumed>) = 7 [pid 692] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] newfstatat(3, "", [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./36", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 701 ./strace-static-x86_64: Process 701 attached [pid 694] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 692] <... bpf resumed>) = 8 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 694] <... bpf resumed>) = 0 [pid 692] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] getdents64(3, [pid 694] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 692] <... bpf resumed>) = 9 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 694] <... bpf resumed>) = 8 [pid 692] exit_group(0 [pid 298] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 694] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 692] <... exit_group resumed>) = ? [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 694] <... bpf resumed>) = 9 [pid 692] +++ exited with 0 +++ [pid 298] newfstatat(AT_FDCWD, "./36/binderfs", [pid 694] exit_group(0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 694] <... exit_group resumed>) = ? [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] unlink("./36/binderfs" [pid 701] set_robust_list(0x55555719e760, 24 [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 701] <... set_robust_list resumed>) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] close(3 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... close resumed>) = 0 [pid 701] chdir("./36" [pid 299] <... openat resumed>) = 3 [pid 298] rmdir("./36" [pid 701] <... chdir resumed>) = 0 [pid 299] newfstatat(3, "", [pid 298] <... rmdir resumed>) = 0 [pid 701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] mkdir("./37", 0777 [pid 701] <... prctl resumed>) = 0 [pid 299] getdents64(3, [pid 298] <... mkdir resumed>) = 0 [pid 701] setpgid(0, 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 701] <... setpgid resumed>) = 0 [pid 299] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 703 [pid 701] <... openat resumed>) = 3 [pid 299] newfstatat(AT_FDCWD, "./35/binderfs", [pid 701] write(3, "1000", 4 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 701] <... write resumed>) = 4 [pid 299] unlink("./35/binderfs" [pid 701] close(3 [pid 299] <... unlink resumed>) = 0 [pid 701] <... close resumed>) = 0 [pid 299] getdents64(3, [pid 701] symlink("/dev/binderfs", "./binderfs" [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 701] <... symlink resumed>) = 0 [pid 299] close(3executing program [pid 701] write(1, "executing program\n", 18 [pid 299] <... close resumed>) = 0 [pid 701] <... write resumed>) = 18 [pid 299] rmdir("./35" [pid 701] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... rmdir resumed>) = 0 [pid 701] <... bpf resumed>) = 3 [pid 299] mkdir("./36", 0777 [pid 701] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] <... mkdir resumed>) = 0 [pid 701] <... bpf resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 701] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 706 [pid 701] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 701] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 701] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 706 attached , 0x20001400) = 0 [pid 701] bpf(BPF_PROG_LOAD, NULL, 0 [pid 706] set_robust_list(0x55555719e760, 24 [pid 701] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 706] <... set_robust_list resumed>) = 0 [pid 701] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 706] chdir("./36" [pid 701] <... bpf resumed>) = 7 [pid 706] <... chdir resumed>) = 0 [pid 701] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 701] <... bpf resumed>) = 0 [pid 706] setpgid(0, 0 [pid 701] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 706] <... setpgid resumed>) = 0 [pid 706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 701] <... bpf resumed>) = 8 [pid 706] <... openat resumed>) = 3 [pid 701] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 701] exit_group(0) = ? [pid 706] write(3, "1000", 4) = 4 [pid 706] close(3) = 0 [pid 706] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 703 attached [pid 706] write(1, "executing program\n", 18executing program ) = 18 [pid 703] set_robust_list(0x55555719e760, 24 [pid 695] +++ exited with 0 +++ [pid 706] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 703] <... set_robust_list resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=695, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 706] <... bpf resumed>) = 3 [pid 703] chdir("./37" [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 706] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 703] <... chdir resumed>) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 706] <... bpf resumed>) = 0 [pid 703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 706] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 703] <... prctl resumed>) = 0 [pid 703] setpgid(0, 0 [pid 295] umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW [pid 706] <... bpf resumed>) = 4 [pid 703] <... setpgid resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 706] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 706] <... bpf resumed>) = 5 [pid 703] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 706] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 703] write(3, "1000", 4 [pid 295] newfstatat(3, "", [pid 706] <... openat resumed>) = 6 [pid 703] <... write resumed>) = 4 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 706] ioctl(6, PPPIOCNEWUNIT [pid 703] close(3 [pid 295] getdents64(3, [pid 703] <... close resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 703] symlink("/dev/binderfs", "./binderfs" [pid 295] umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 706] <... ioctl resumed>, 0x20001400) = 0 [pid 703] <... symlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 706] bpf(BPF_PROG_LOAD, NULL, 0 [pid 703] write(1, "executing program\n", 18 [pid 295] newfstatat(AT_FDCWD, "./32/binderfs", [pid 703] <... write resumed>) = 18 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 703] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] unlink("./32/binderfs" [pid 703] <... bpf resumed>) = 3 [pid 295] <... unlink resumed>) = 0 [pid 706] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 703] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 295] getdents64(3, [pid 703] <... bpf resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 703] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] close(3 [pid 706] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 703] <... bpf resumed>) = 4 [pid 295] <... close resumed>) = 0 [pid 706] <... bpf resumed>) = 7 [pid 703] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] rmdir("./32" [pid 706] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 703] <... bpf resumed>) = 5 [pid 295] <... rmdir resumed>) = 0 [pid 706] <... bpf resumed>) = 0 [pid 703] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] mkdir("./33", 0777 [pid 706] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 703] <... openat resumed>) = 6 [pid 295] <... mkdir resumed>) = 0 [pid 703] ioctl(6, PPPIOCNEWUNIT [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 703] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 703] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 712 [pid 706] <... bpf resumed>) = 8 [pid 703] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 706] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 703] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 706] <... bpf resumed>) = 9 [pid 703] <... bpf resumed>) = 7 [pid 706] exit_group(0 [pid 703] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 706] <... exit_group resumed>) = ? [pid 703] <... bpf resumed>) = 0 [pid 703] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 703] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 703] exit_group(0) = ? [pid 703] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 298] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./37/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./37") = 0 [pid 298] mkdir("./38", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 714 ./strace-static-x86_64: Process 712 attached [pid 712] set_robust_list(0x55555719e760, 24) = 0 [pid 712] chdir("./33") = 0 [pid 712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 712] setpgid(0, 0) = 0 [pid 712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 694] +++ exited with 0 +++ [pid 712] <... openat resumed>) = 3 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=694, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 712] write(3, "1000", 4) = 4 [pid 712] close(3) = 0 executing program [pid 712] symlink("/dev/binderfs", "./binderfs") = 0 [pid 712] write(1, "executing program\n", 18./strace-static-x86_64: Process 714 attached ) = 18 [pid 714] set_robust_list(0x55555719e760, 24 [pid 712] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 714] <... set_robust_list resumed>) = 0 [pid 712] <... bpf resumed>) = 3 [pid 712] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 714] chdir("./38" [pid 712] <... bpf resumed>) = 0 [pid 714] <... chdir resumed>) = 0 [pid 712] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 714] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 712] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 714] <... prctl resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 714] setpgid(0, 0 [pid 297] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 714] <... setpgid resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 714] <... openat resumed>) = 3 [pid 297] getdents64(3, [pid 714] write(3, "1000", 4) = 4 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 714] close(3 [pid 297] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 714] <... close resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 714] symlink("/dev/binderfs", "./binderfs" [pid 297] newfstatat(AT_FDCWD, "./33/binderfs", [pid 714] <... symlink resumed>) = 0 executing program [pid 714] write(1, "executing program\n", 18 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 714] <... write resumed>) = 18 [pid 297] unlink("./33/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./33" [pid 714] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... rmdir resumed>) = 0 [pid 714] <... bpf resumed>) = 3 [pid 297] mkdir("./34", 0777) = 0 [pid 714] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 714] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 714] <... bpf resumed>) = 4 [pid 714] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 716 ./strace-static-x86_64: Process 716 attached [pid 716] set_robust_list(0x55555719e760, 24) = 0 [pid 716] chdir("./34") = 0 [pid 716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 716] setpgid(0, 0) = 0 [pid 716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 716] write(3, "1000", 4) = 4 [pid 716] close(3) = 0 [pid 716] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 716] write(1, "executing program\n", 18) = 18 [pid 716] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 716] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 716] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 716] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 714] <... bpf resumed>) = 5 [pid 712] <... bpf resumed>) = 5 [pid 706] +++ exited with 0 +++ [pid 701] +++ exited with 0 +++ [pid 716] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 714] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 712] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 716] <... openat resumed>) = 6 [pid 714] <... openat resumed>) = 6 [pid 712] <... openat resumed>) = 6 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=706, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 716] ioctl(6, PPPIOCNEWUNIT [pid 714] ioctl(6, PPPIOCNEWUNIT [pid 712] ioctl(6, PPPIOCNEWUNIT [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 716] <... ioctl resumed>, 0x20001400) = 0 [pid 714] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 712] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 299] <... restart_syscall resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 716] bpf(BPF_PROG_LOAD, NULL, 0 [pid 714] bpf(BPF_PROG_LOAD, NULL, 0 [pid 712] bpf(BPF_PROG_LOAD, NULL, 0 [pid 716] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 714] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 712] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 716] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 714] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 712] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 716] <... bpf resumed>) = 7 [pid 714] <... bpf resumed>) = 7 [pid 712] <... bpf resumed>) = 7 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 716] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 714] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 712] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 716] <... bpf resumed>) = 0 [pid 714] <... bpf resumed>) = 0 [pid 712] <... bpf resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 296] <... openat resumed>) = 3 [pid 716] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 714] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 712] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] newfstatat(3, "", [pid 296] newfstatat(3, "", [pid 716] <... bpf resumed>) = 8 [pid 714] <... bpf resumed>) = 8 [pid 712] <... bpf resumed>) = 8 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 716] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 714] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 712] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] getdents64(3, [pid 296] getdents64(3, [pid 716] <... bpf resumed>) = 9 [pid 714] <... bpf resumed>) = 9 [pid 712] <... bpf resumed>) = 9 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 716] exit_group(0 [pid 714] exit_group(0 [pid 712] exit_group(0 [pid 299] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 716] <... exit_group resumed>) = ? [pid 714] <... exit_group resumed>) = ? [pid 712] <... exit_group resumed>) = ? [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 714] +++ exited with 0 +++ [pid 299] newfstatat(AT_FDCWD, "./36/binderfs", [pid 296] newfstatat(AT_FDCWD, "./36/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=714, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./36/binderfs" [pid 296] unlink("./36/binderfs" [pid 299] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 298] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 298] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] close(3 [pid 299] <... close resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 296] <... close resumed>) = 0 [pid 299] rmdir("./36" [pid 298] newfstatat(3, "", [pid 296] rmdir("./36" [pid 299] <... rmdir resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 299] mkdir("./37", 0777 [pid 298] getdents64(3, [pid 296] mkdir("./37", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 712] +++ exited with 0 +++ [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 722 [pid 298] newfstatat(AT_FDCWD, "./38/binderfs", [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 723 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 298] unlink("./38/binderfs") = 0 ./strace-static-x86_64: Process 722 attached [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./38" [pid 295] umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW [pid 722] set_robust_list(0x55555719e760, 24 [pid 298] <... rmdir resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] mkdir("./39", 0777 [pid 295] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 722] <... set_robust_list resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] newfstatat(3, "", ./strace-static-x86_64: Process 725 attached [pid 722] chdir("./37" [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 725 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 722] <... chdir resumed>) = 0 [pid 295] umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./33/binderfs" [pid 725] set_robust_list(0x55555719e760, 24 [pid 722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./33" [pid 725] <... set_robust_list resumed>) = 0 [pid 722] <... prctl resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./34", 0777 [pid 722] setpgid(0, 0 [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 725] chdir("./39" [pid 722] <... setpgid resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 726 ./strace-static-x86_64: Process 723 attached ./strace-static-x86_64: Process 726 attached [pid 725] <... chdir resumed>) = 0 [pid 722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 723] set_robust_list(0x55555719e760, 24) = 0 [pid 723] chdir("./37") = 0 [pid 723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 722] <... openat resumed>) = 3 [pid 723] <... prctl resumed>) = 0 [pid 723] setpgid(0, 0) = 0 [pid 723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 722] write(3, "1000", 4 [pid 725] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 723] <... openat resumed>) = 3 [pid 723] write(3, "1000", 4) = 4 [pid 723] close(3) = 0 [pid 723] symlink("/dev/binderfs", "./binderfs" [pid 726] set_robust_list(0x55555719e760, 24 [pid 725] <... prctl resumed>) = 0 [pid 722] <... write resumed>) = 4 [pid 722] close(3 [pid 725] setpgid(0, 0 [pid 726] <... set_robust_list resumed>) = 0 executing program [pid 723] <... symlink resumed>) = 0 [pid 723] write(1, "executing program\n", 18) = 18 [pid 723] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 723] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 723] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 722] <... close resumed>) = 0 [pid 725] <... setpgid resumed>) = 0 [pid 722] symlink("/dev/binderfs", "./binderfs" [pid 726] chdir("./34" [pid 725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 723] <... bpf resumed>) = 4 [pid 722] <... symlink resumed>) = 0 [pid 723] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16executing program ) = 5 [pid 723] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 723] ioctl(6, PPPIOCNEWUNIT [pid 722] write(1, "executing program\n", 18) = 18 [pid 726] <... chdir resumed>) = 0 [pid 725] <... openat resumed>) = 3 [pid 722] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 725] write(3, "1000", 4 [pid 726] <... prctl resumed>) = 0 [pid 725] <... write resumed>) = 4 [pid 722] <... bpf resumed>) = 3 [pid 722] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 725] close(3 [pid 722] <... bpf resumed>) = 0 [pid 726] setpgid(0, 0 [pid 725] <... close resumed>) = 0 [pid 722] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 723] <... ioctl resumed>, 0x20001400) = 0 [pid 722] <... bpf resumed>) = 4 [pid 723] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 723] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 726] <... setpgid resumed>) = 0 [pid 725] symlink("/dev/binderfs", "./binderfs" [pid 722] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 723] <... bpf resumed>) = 7 [pid 723] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 723] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 725] <... symlink resumed>) = 0 [pid 725] write(1, "executing program\n", 18 [pid 723] <... bpf resumed>) = 8 [pid 722] <... bpf resumed>) = 5 [pid 723] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 executing program [pid 723] exit_group(0) = ? [pid 725] <... write resumed>) = 18 [pid 722] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 725] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 722] <... openat resumed>) = 6 [pid 725] <... bpf resumed>) = 3 [pid 722] ioctl(6, PPPIOCNEWUNIT [pid 726] <... openat resumed>) = 3 [pid 725] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 726] write(3, "1000", 4 [pid 725] <... bpf resumed>) = 0 [pid 726] <... write resumed>) = 4 [pid 725] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 726] close(3 [pid 725] <... bpf resumed>) = 4 [pid 726] <... close resumed>) = 0 [pid 725] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 726] symlink("/dev/binderfs", "./binderfs" [pid 725] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 722] <... ioctl resumed>, 0x20001400) = 0 [pid 716] +++ exited with 0 +++ [pid 726] <... symlink resumed>) = 0 [pid 725] <... openat resumed>) = 6 [pid 722] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 726] write(1, "executing program\n", 18 [pid 725] ioctl(6, PPPIOCNEWUNIT [pid 722] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] restart_syscall(<... resuming interrupted clone ...>executing program [pid 726] <... write resumed>) = 18 [pid 725] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 722] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... restart_syscall resumed>) = 0 [pid 726] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 725] bpf(BPF_PROG_LOAD, NULL, 0 [pid 722] <... bpf resumed>) = 7 [pid 726] <... bpf resumed>) = 3 [pid 725] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 725] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 726] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 722] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 725] <... bpf resumed>) = 7 [pid 722] <... bpf resumed>) = 0 [pid 725] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 722] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 726] <... bpf resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 722] <... bpf resumed>) = 8 [pid 726] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 725] <... bpf resumed>) = 0 [pid 297] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 722] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 725] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... openat resumed>) = 3 [pid 726] <... bpf resumed>) = 4 [pid 725] <... bpf resumed>) = 8 [pid 297] newfstatat(3, "", [pid 726] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 725] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 722] <... bpf resumed>) = 9 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 725] <... bpf resumed>) = 9 [pid 297] getdents64(3, [pid 725] exit_group(0) = ? [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 726] <... bpf resumed>) = 5 [pid 725] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=725, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 726] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 726] <... openat resumed>) = 6 [pid 722] exit_group(0 [pid 298] <... restart_syscall resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 726] ioctl(6, PPPIOCNEWUNIT [pid 722] <... exit_group resumed>) = ? [pid 298] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] newfstatat(AT_FDCWD, "./34/binderfs", [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 726] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] unlink("./34/binderfs" [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./39/binderfs" [pid 726] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 726] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] <... close resumed>) = 0 [pid 297] getdents64(3, [pid 298] rmdir("./39") = 0 [pid 726] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] mkdir("./40", 0777 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 726] <... bpf resumed>) = 7 [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 726] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] close(3 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 728 [pid 726] <... bpf resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 726] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] rmdir("./34" [pid 726] <... bpf resumed>) = 8 [pid 726] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./35", 0777 [pid 726] <... bpf resumed>) = 9 executing program ./strace-static-x86_64: Process 728 attached [pid 728] set_robust_list(0x55555719e760, 24) = 0 [pid 728] chdir("./40") = 0 [pid 728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 728] setpgid(0, 0) = 0 [pid 728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 728] write(3, "1000", 4) = 4 [pid 728] close(3) = 0 [pid 728] symlink("/dev/binderfs", "./binderfs") = 0 [pid 728] write(1, "executing program\n", 18) = 18 [pid 728] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 728] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 728] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [ 25.936264][ C1] softirq: huh, entered softirq 3 NET_RX ffffffff83e89ec0 with preempt_count 00000102, exited with 00000101? [ 25.948074][ T297] BUG: scheduling while atomic: syz-executor131/297/0x00000002 [ 25.955452][ T297] Modules linked in: [ 25.959159][ T297] Preemption disabled at: [ 25.959164][ T297] [] ext4_es_lookup_extent+0xd0/0x940 [ 25.970099][ T297] CPU: 1 PID: 297 Comm: syz-executor131 Tainted: G W 5.15.149-syzkaller-00490-g5d96939590c0 #0 [ 25.981568][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 25.991449][ T297] Call Trace: [ 25.994576][ T297] [ 25.997352][ T297] dump_stack_lvl+0x151/0x1b7 [ 26.001862][ T297] ? ext4_es_lookup_extent+0xd0/0x940 [ 26.007072][ T297] ? ext4_es_lookup_extent+0xd0/0x940 [ 26.012500][ T297] ? io_uring_drop_tctx_refs+0x190/0x190 [ 26.017973][ T297] ? ext4_es_lookup_extent+0xd0/0x940 [ 26.023179][ T297] dump_stack+0x15/0x17 [ 26.027164][ T297] __schedule_bug+0x195/0x260 [ 26.031682][ T297] ? ttwu_queue_wakelist+0x510/0x510 [ 26.036804][ T297] __schedule+0xd19/0x1590 [ 26.041055][ T297] ? __kasan_check_write+0x14/0x20 [ 26.046002][ T297] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 26.050947][ T297] ? __sched_text_start+0x8/0x8 [ 26.055635][ T297] ? cgroup_update_frozen+0x15f/0x980 [ 26.060841][ T297] ? kmem_cache_free+0x116/0x2e0 [ 26.065616][ T297] schedule+0x11f/0x1e0 [ 26.069606][ T297] ptrace_stop+0x4ea/0xa90 [ 26.073878][ T297] ptrace_notify+0x22b/0x350 [ 26.078289][ T297] ? do_notify_parent+0xa30/0xa30 [ 26.083154][ T297] ? vfs_mkdir+0x610/0x610 [ 26.087401][ T297] ? getname_flags+0x1fd/0x520 [ 26.092006][ T297] syscall_exit_to_user_mode+0xac/0x160 [ 26.097384][ T297] do_syscall_64+0x49/0xb0 [ 26.101636][ T297] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 26.107364][ T297] RIP: 0033:0x7f86ba0f5bc7 [ 26.111622][ T297] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [pid 297] <... mkdir resumed>) = 0 [pid 728] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 726] exit_group(0 [pid 728] <... bpf resumed>) = 5 [pid 726] <... exit_group resumed>) = ? [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 728] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 726] +++ exited with 0 +++ ./strace-static-x86_64: Process 735 attached [pid 728] <... openat resumed>) = 6 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 728] ioctl(6, PPPIOCNEWUNIT [pid 723] +++ exited with 0 +++ [pid 735] set_robust_list(0x55555719e760, 24 [pid 728] <... ioctl resumed>, 0x20001400) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 735 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=723, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 735] <... set_robust_list resumed>) = 0 [pid 728] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 735] chdir("./35" [pid 728] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] <... restart_syscall resumed>) = 0 [pid 735] <... chdir resumed>) = 0 [pid 728] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 728] <... bpf resumed>) = 7 [pid 735] <... prctl resumed>) = 0 [pid 728] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW [pid 735] setpgid(0, 0 [pid 728] <... bpf resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 735] <... setpgid resumed>) = 0 [pid 728] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 728] <... bpf resumed>) = 8 [pid 296] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 735] <... openat resumed>) = 3 [pid 728] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 735] write(3, "1000", 4 [pid 728] <... bpf resumed>) = 9 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 735] <... write resumed>) = 4 [pid 728] exit_group(0 [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 735] close(3 [pid 728] <... exit_group resumed>) = ? [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 735] <... close resumed>) = 0 [pid 296] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 735] symlink("/dev/binderfs", "./binderfs" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 735] <... symlink resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./37/binderfs", [pid 295] newfstatat(AT_FDCWD, "./34/binderfs", executing program [pid 735] write(1, "executing program\n", 18 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 735] <... write resumed>) = 18 [pid 296] unlink("./37/binderfs" [pid 295] unlink("./34/binderfs" [pid 735] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 735] <... bpf resumed>) = 3 [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 735] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 735] <... bpf resumed>) = 0 [pid 296] close(3 [ 26.131059][ T297] RSP: 002b:00007ffd95073468 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 26.139305][ T297] RAX: 0000000000000000 RBX: 00000000000064e7 RCX: 00007f86ba0f5bc7 [ 26.147117][ T297] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 00007ffd950734a0 [ 26.154925][ T297] RBP: 00000000000002cc R08: 0000000000000004 R09: 00007ffd95073206 [ 26.162741][ T297] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd9507348c [ 26.170546][ T297] R13: 00007ffd950734c0 R14: 00007ffd950734a0 R15: 0000000000000023 [ 26.178362][ T297] [pid 295] close(3 [pid 735] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 296] rmdir("./37" [pid 295] rmdir("./34" [pid 735] <... bpf resumed>) = 4 [pid 296] <... rmdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 735] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] mkdir("./38", 0777 [pid 295] mkdir("./35", 0777 [pid 735] <... bpf resumed>) = 5 [pid 296] <... mkdir resumed>) = 0 [pid 735] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 735] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 722] +++ exited with 0 +++ [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... mkdir resumed>) = 0 [pid 735] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 735] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 735] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 735] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 735] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 735] exit_group(0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 735] <... exit_group resumed>) = ? [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=722, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 738 ./strace-static-x86_64: Process 739 attached [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 739 ./strace-static-x86_64: Process 738 attached [pid 739] set_robust_list(0x55555719e760, 24) = 0 [pid 738] set_robust_list(0x55555719e760, 24 [pid 299] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 739] chdir("./35" [pid 738] <... set_robust_list resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 739] <... chdir resumed>) = 0 [pid 738] chdir("./38" [pid 299] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 738] <... chdir resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 739] <... prctl resumed>) = 0 [pid 738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] newfstatat(3, "", [pid 739] setpgid(0, 0 [pid 738] <... prctl resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 739] <... setpgid resumed>) = 0 [pid 738] setpgid(0, 0 [pid 299] getdents64(3, [pid 739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 738] <... setpgid resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 739] <... openat resumed>) = 3 [pid 738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 739] write(3, "1000", 4 [pid 738] <... openat resumed>) = 3 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 739] <... write resumed>) = 4 [pid 738] write(3, "1000", 4 [pid 299] newfstatat(AT_FDCWD, "./37/binderfs", [pid 739] close(3 [pid 738] <... write resumed>) = 4 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 739] <... close resumed>) = 0 [pid 738] close(3 [pid 299] unlink("./37/binderfs" [pid 739] symlink("/dev/binderfs", "./binderfs" [pid 738] <... close resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 739] <... symlink resumed>) = 0 [pid 738] symlink("/dev/binderfs", "./binderfs" [pid 299] getdents64(3, executing program [pid 739] write(1, "executing program\n", 18 [pid 738] <... symlink resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 739] <... write resumed>) = 18 executing program [pid 738] write(1, "executing program\n", 18 [pid 299] close(3 [pid 739] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 738] <... write resumed>) = 18 [pid 299] <... close resumed>) = 0 [pid 739] <... bpf resumed>) = 3 [pid 738] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] rmdir("./37" [pid 739] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 738] <... bpf resumed>) = 3 [pid 299] <... rmdir resumed>) = 0 [pid 739] <... bpf resumed>) = 0 [pid 738] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] mkdir("./38", 0777 [pid 739] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 738] <... bpf resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 739] <... bpf resumed>) = 4 [pid 738] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 739] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 738] <... bpf resumed>) = 4 [pid 738] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 743 ./strace-static-x86_64: Process 743 attached [pid 743] set_robust_list(0x55555719e760, 24) = 0 [pid 743] chdir("./38") = 0 [pid 743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 743] setpgid(0, 0) = 0 [pid 743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 743] write(3, "1000", 4) = 4 [pid 743] close(3) = 0 [pid 743] symlink("/dev/binderfs", "./binderfs") = 0 [pid 743] write(1, "executing program\n", 18executing program ) = 18 [pid 743] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 743] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 743] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 739] <... bpf resumed>) = 5 [pid 738] <... bpf resumed>) = 5 [pid 728] +++ exited with 0 +++ [pid 739] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 738] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=728, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 739] <... openat resumed>) = 6 [pid 738] <... openat resumed>) = 6 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 739] ioctl(6, PPPIOCNEWUNIT [pid 738] ioctl(6, PPPIOCNEWUNIT [pid 298] <... restart_syscall resumed>) = 0 [pid 739] <... ioctl resumed>, 0x20001400) = 0 [pid 738] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 743] <... bpf resumed>) = 4 [pid 739] bpf(BPF_PROG_LOAD, NULL, 0 [pid 738] bpf(BPF_PROG_LOAD, NULL, 0 [pid 743] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 739] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 738] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 743] <... bpf resumed>) = 5 [pid 739] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 738] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 743] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 739] <... bpf resumed>) = 7 [pid 738] <... bpf resumed>) = 7 [pid 298] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 743] <... openat resumed>) = 6 [pid 739] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 738] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... openat resumed>) = 3 [pid 743] ioctl(6, PPPIOCNEWUNIT [pid 739] <... bpf resumed>) = 0 [pid 738] <... bpf resumed>) = 0 [pid 298] newfstatat(3, "", [pid 743] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 739] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 738] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 743] bpf(BPF_PROG_LOAD, NULL, 0 [pid 739] <... bpf resumed>) = 8 [pid 738] <... bpf resumed>) = 8 [pid 298] getdents64(3, [pid 743] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 739] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 738] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 743] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 739] <... bpf resumed>) = 9 [pid 738] <... bpf resumed>) = 9 [pid 298] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 743] <... bpf resumed>) = 7 [pid 739] exit_group(0 [pid 738] exit_group(0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 743] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 739] <... exit_group resumed>) = ? [pid 738] <... exit_group resumed>) = ? [pid 298] newfstatat(AT_FDCWD, "./40/binderfs", [pid 743] <... bpf resumed>) = 0 [pid 738] +++ exited with 0 +++ [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 743] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] unlink("./40/binderfs" [pid 743] <... bpf resumed>) = 8 [pid 298] <... unlink resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=738, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 743] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] getdents64(3, [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 743] <... bpf resumed>) = 9 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 743] exit_group(0 [pid 298] close(3 [pid 743] <... exit_group resumed>) = ? [pid 298] <... close resumed>) = 0 [pid 743] +++ exited with 0 +++ [pid 298] rmdir("./40" [pid 296] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=743, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... rmdir resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] mkdir("./41", 0777 [pid 296] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... mkdir resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 299] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] newfstatat(3, "", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 751 [pid 296] getdents64(3, [pid 299] <... openat resumed>) = 3 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] newfstatat(3, "", [pid 296] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] getdents64(3, [pid 296] newfstatat(AT_FDCWD, "./38/binderfs", [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] unlink("./38/binderfs" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./38/binderfs", [pid 296] getdents64(3, [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] unlink("./38/binderfs" [pid 296] close(3 [pid 299] <... unlink resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 299] getdents64(3, [pid 296] rmdir("./38" [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 299] close(3 [pid 296] mkdir("./39", 0777 [pid 299] <... close resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 751 attached [pid 299] rmdir("./38" [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 751] set_robust_list(0x55555719e760, 24 [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./39", 0777 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 753 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 751] <... set_robust_list resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 754 ./strace-static-x86_64: Process 753 attached [pid 751] chdir("./41" [pid 753] set_robust_list(0x55555719e760, 24) = 0 [pid 753] chdir("./39") = 0 [pid 753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 753] setpgid(0, 0) = 0 [pid 751] <... chdir resumed>) = 0 [pid 751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 751] setpgid(0, 0 [pid 753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 751] <... setpgid resumed>) = 0 [pid 753] <... openat resumed>) = 3 [pid 753] write(3, "1000", 4) = 4 [pid 751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 753] close(3) = 0 [pid 753] symlink("/dev/binderfs", "./binderfs" [pid 751] <... openat resumed>) = 3 [pid 751] write(3, "1000", 4) = 4 [pid 751] close(3) = 0 executing program [pid 751] symlink("/dev/binderfs", "./binderfs" [pid 753] <... symlink resumed>) = 0 [pid 753] write(1, "executing program\n", 18) = 18 [pid 753] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 751] <... symlink resumed>) = 0 executing program [pid 751] write(1, "executing program\n", 18 [pid 753] <... bpf resumed>) = 3 [pid 751] <... write resumed>) = 18 ./strace-static-x86_64: Process 754 attached [pid 751] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 754] set_robust_list(0x55555719e760, 24) = 0 [pid 753] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 751] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 751] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 751] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 754] chdir("./39" [pid 753] <... bpf resumed>) = 0 [pid 754] <... chdir resumed>) = 0 [pid 754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 753] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 754] <... prctl resumed>) = 0 [pid 754] setpgid(0, 0 [pid 753] <... bpf resumed>) = 4 [pid 754] <... setpgid resumed>) = 0 [pid 754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 753] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 754] write(3, "1000", 4) = 4 [pid 754] close(3) = 0 [pid 754] symlink("/dev/binderfs", "./binderfs") = 0 [pid 754] write(1, "executing program\n", 18executing program ) = 18 [pid 754] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 754] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 754] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 754] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 753] <... bpf resumed>) = 5 [pid 751] <... bpf resumed>) = 5 [pid 739] +++ exited with 0 +++ [pid 735] +++ exited with 0 +++ [pid 754] <... bpf resumed>) = 5 [pid 753] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 751] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 754] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 753] <... openat resumed>) = 6 [pid 751] <... openat resumed>) = 6 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 754] <... openat resumed>) = 6 [pid 753] ioctl(6, PPPIOCNEWUNIT [pid 751] ioctl(6, PPPIOCNEWUNIT [pid 754] ioctl(6, PPPIOCNEWUNIT [pid 753] <... ioctl resumed>, 0x20001400) = 0 [pid 751] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 751] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 751] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 751] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 751] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 751] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 751] exit_group(0) = ? [pid 754] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 753] bpf(BPF_PROG_LOAD, NULL, 0 [pid 751] +++ exited with 0 +++ [pid 297] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW [pid 754] bpf(BPF_PROG_LOAD, NULL, 0 [pid 753] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=751, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 754] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 753] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 754] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 753] <... bpf resumed>) = 7 [pid 297] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 754] <... bpf resumed>) = 7 [pid 753] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 754] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 753] <... bpf resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 754] <... bpf resumed>) = 0 [pid 753] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] getdents64(3, [pid 295] getdents64(3, [pid 754] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 753] <... bpf resumed>) = 8 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 754] <... bpf resumed>) = 8 [pid 753] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 754] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 753] <... bpf resumed>) = 9 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 754] <... bpf resumed>) = 9 [pid 753] exit_group(0 [pid 297] newfstatat(AT_FDCWD, "./35/binderfs", [pid 295] newfstatat(AT_FDCWD, "./35/binderfs", [pid 754] exit_group(0 [pid 753] <... exit_group resumed>) = ? [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 754] <... exit_group resumed>) = ? [pid 298] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] unlink("./35/binderfs" [pid 295] unlink("./35/binderfs" [pid 298] <... openat resumed>) = 3 [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 297] getdents64(3, [pid 295] getdents64(3, [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3 [pid 295] close(3 [pid 297] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 297] rmdir("./35" [pid 295] rmdir("./35" [pid 754] +++ exited with 0 +++ [pid 298] newfstatat(3, "", [pid 297] <... rmdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 297] mkdir("./36", 0777 [pid 295] mkdir("./36", 0777 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=754, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 298] getdents64(3, [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 757 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 758 ./strace-static-x86_64: Process 757 attached [pid 299] <... restart_syscall resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 757] set_robust_list(0x55555719e760, 24 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 757] <... set_robust_list resumed>) = 0 [pid 757] chdir("./36") = 0 [pid 298] newfstatat(AT_FDCWD, "./41/binderfs", [pid 299] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 757] setpgid(0, 0) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 757] write(3, "1000", 4) = 4 [pid 757] close(3) = 0 [pid 757] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 757] write(1, "executing program\n", 18) = 18 [pid 757] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] unlink("./41/binderfs" [pid 299] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 298] <... unlink resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 299] getdents64(3, [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] close(3 [pid 757] <... bpf resumed>) = 3 [pid 299] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... close resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] rmdir("./41" [pid 299] newfstatat(AT_FDCWD, "./39/binderfs", [pid 757] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] mkdir("./42", 0777 [pid 299] unlink("./39/binderfs" [pid 757] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... mkdir resumed>) = 0 [pid 757] <... bpf resumed>) = 4 [pid 299] <... unlink resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] getdents64(3, [pid 757] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 757] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] close(3 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 759 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./39" [pid 757] <... openat resumed>) = 6 [pid 757] ioctl(6, PPPIOCNEWUNIT [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./40", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 760 ./strace-static-x86_64: Process 758 attached [pid 758] set_robust_list(0x55555719e760, 24 [pid 757] <... ioctl resumed>, 0x20001400) = 0 [pid 757] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 757] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 758] <... set_robust_list resumed>) = 0 [pid 757] <... bpf resumed>) = 7 [pid 757] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 757] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 758] chdir("./36"./strace-static-x86_64: Process 760 attached ) = 0 [pid 757] <... bpf resumed>) = 8 [pid 757] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 757] exit_group(0./strace-static-x86_64: Process 759 attached [pid 759] set_robust_list(0x55555719e760, 24 [pid 757] <... exit_group resumed>) = ? [pid 758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 760] set_robust_list(0x55555719e760, 24 [pid 759] <... set_robust_list resumed>) = 0 [pid 760] <... set_robust_list resumed>) = 0 [pid 759] chdir("./42" [pid 758] <... prctl resumed>) = 0 [pid 758] setpgid(0, 0 [pid 760] chdir("./40" [pid 759] <... chdir resumed>) = 0 [pid 759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 759] setpgid(0, 0) = 0 [pid 759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 758] <... setpgid resumed>) = 0 [pid 759] <... openat resumed>) = 3 [pid 759] write(3, "1000", 4) = 4 [pid 759] close(3) = 0 [pid 759] symlink("/dev/binderfs", "./binderfs" [pid 760] <... chdir resumed>) = 0 [pid 758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 758] <... openat resumed>) = 3 [pid 760] <... prctl resumed>) = 0 [pid 759] <... symlink resumed>) = 0 executing program [pid 758] write(3, "1000", 4 [pid 759] write(1, "executing program\n", 18) = 18 [pid 759] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 760] setpgid(0, 0 [pid 758] <... write resumed>) = 4 [pid 759] <... bpf resumed>) = 3 [pid 759] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 759] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 760] <... setpgid resumed>) = 0 [pid 758] close(3 [pid 760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 758] <... close resumed>) = 0 [pid 760] <... openat resumed>) = 3 [pid 758] symlink("/dev/binderfs", "./binderfs" [pid 760] write(3, "1000", 4 [pid 758] <... symlink resumed>) = 0 [pid 760] <... write resumed>) = 4 [pid 759] <... bpf resumed>) = 4 [pid 758] write(1, "executing program\n", 18executing program [pid 760] close(3 [pid 759] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 758] <... write resumed>) = 18 [pid 760] <... close resumed>) = 0 [pid 759] <... bpf resumed>) = 5 [pid 759] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 760] symlink("/dev/binderfs", "./binderfs" [pid 759] ioctl(6, PPPIOCNEWUNIT [pid 758] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 760] <... symlink resumed>) = 0 [pid 758] <... bpf resumed>) = 3 [pid 760] write(1, "executing program\n", 18executing program [pid 758] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 760] <... write resumed>) = 18 [pid 758] <... bpf resumed>) = 0 [pid 760] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 758] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 760] <... bpf resumed>) = 3 [pid 759] <... ioctl resumed>, 0x20001400) = 0 [pid 758] <... bpf resumed>) = 4 [pid 753] +++ exited with 0 +++ [pid 760] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 759] bpf(BPF_PROG_LOAD, NULL, 0 [pid 758] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 760] <... bpf resumed>) = 0 [pid 759] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 758] <... bpf resumed>) = 5 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=753, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 760] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 759] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 758] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 760] <... bpf resumed>) = 4 [pid 759] <... bpf resumed>) = 7 [pid 758] <... openat resumed>) = 6 [pid 296] <... restart_syscall resumed>) = 0 [pid 760] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 759] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 758] ioctl(6, PPPIOCNEWUNIT [pid 760] <... bpf resumed>) = 5 [pid 759] <... bpf resumed>) = 0 [pid 758] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 760] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 759] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 758] bpf(BPF_PROG_LOAD, NULL, 0 [pid 760] <... openat resumed>) = 6 [pid 758] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 760] ioctl(6, PPPIOCNEWUNIT [pid 759] <... bpf resumed>) = 8 [pid 758] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 760] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 758] <... bpf resumed>) = 7 [pid 760] bpf(BPF_PROG_LOAD, NULL, 0 [pid 759] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 758] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 760] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 759] <... bpf resumed>) = 9 [pid 758] <... bpf resumed>) = 0 [pid 296] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 760] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 759] exit_group(0 [pid 758] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... openat resumed>) = 3 [pid 759] <... exit_group resumed>) = ? [pid 296] newfstatat(3, "", [pid 760] <... bpf resumed>) = 7 [pid 758] <... bpf resumed>) = 8 [pid 760] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 758] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 760] <... bpf resumed>) = 0 [pid 758] <... bpf resumed>) = 9 [pid 296] getdents64(3, [pid 760] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 758] exit_group(0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 760] <... bpf resumed>) = 8 [pid 758] <... exit_group resumed>) = ? [pid 296] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 760] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 758] +++ exited with 0 +++ [pid 760] <... bpf resumed>) = 9 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=758, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 760] exit_group(0 [pid 296] newfstatat(AT_FDCWD, "./39/binderfs", [pid 760] <... exit_group resumed>) = ? [pid 760] +++ exited with 0 +++ [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=760, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 296] unlink("./39/binderfs" [pid 295] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... restart_syscall resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] getdents64(3, [pid 295] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... openat resumed>) = 3 [pid 299] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] close(3 [pid 295] newfstatat(3, "", [pid 296] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] rmdir("./39" [pid 295] getdents64(3, [pid 296] <... rmdir resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] mkdir("./40", 0777 [pid 295] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... openat resumed>) = 3 [pid 296] <... mkdir resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(3, "", [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] newfstatat(AT_FDCWD, "./36/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 769 [pid 295] unlink("./36/binderfs" [pid 299] getdents64(3, [pid 295] <... unlink resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./36" [pid 299] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./37", 0777 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... mkdir resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./40/binderfs", [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 769 attached [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 771 [pid 299] unlink("./40/binderfs"./strace-static-x86_64: Process 771 attached [pid 769] set_robust_list(0x55555719e760, 24 [pid 299] <... unlink resumed>) = 0 [pid 769] <... set_robust_list resumed>) = 0 [pid 299] getdents64(3, [pid 769] chdir("./40" [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 769] <... chdir resumed>) = 0 [pid 299] close(3 [pid 769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... close resumed>) = 0 [pid 771] set_robust_list(0x55555719e760, 24 [pid 769] <... prctl resumed>) = 0 [pid 299] rmdir("./40" [pid 771] <... set_robust_list resumed>) = 0 [pid 769] setpgid(0, 0 [pid 299] <... rmdir resumed>) = 0 [pid 771] chdir("./37" [pid 769] <... setpgid resumed>) = 0 [pid 299] mkdir("./41", 0777 [pid 771] <... chdir resumed>) = 0 [pid 769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... mkdir resumed>) = 0 [pid 771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 769] <... openat resumed>) = 3 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 771] <... prctl resumed>) = 0 [pid 769] write(3, "1000", 4 [pid 771] setpgid(0, 0 [pid 769] <... write resumed>) = 4 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 773 ./strace-static-x86_64: Process 773 attached [pid 771] <... setpgid resumed>) = 0 [pid 769] close(3 [pid 773] set_robust_list(0x55555719e760, 24 [pid 771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 769] <... close resumed>) = 0 [pid 773] <... set_robust_list resumed>) = 0 [pid 771] <... openat resumed>) = 3 [pid 769] symlink("/dev/binderfs", "./binderfs" [pid 773] chdir("./41" [pid 771] write(3, "1000", 4 [pid 769] <... symlink resumed>) = 0 [pid 757] +++ exited with 0 +++ executing program [pid 773] <... chdir resumed>) = 0 [pid 771] <... write resumed>) = 4 [pid 769] write(1, "executing program\n", 18 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 771] close(3 [pid 769] <... write resumed>) = 18 [pid 773] <... prctl resumed>) = 0 [pid 771] <... close resumed>) = 0 [pid 769] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 773] setpgid(0, 0 [pid 771] symlink("/dev/binderfs", "./binderfs" [pid 769] <... bpf resumed>) = 3 [pid 773] <... setpgid resumed>) = 0 [pid 771] <... symlink resumed>) = 0 [pid 769] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4executing program [pid 773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 771] write(1, "executing program\n", 18 [pid 769] <... bpf resumed>) = 0 [pid 773] <... openat resumed>) = 3 [pid 771] <... write resumed>) = 18 [pid 769] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 773] write(3, "1000", 4 [pid 771] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 769] <... bpf resumed>) = 4 [pid 771] <... bpf resumed>) = 3 [pid 769] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 773] <... write resumed>) = 4 [pid 771] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 769] <... bpf resumed>) = 5 [pid 773] close(3 [pid 771] <... bpf resumed>) = 0 [pid 769] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW [pid 773] <... close resumed>) = 0 [pid 771] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 769] <... openat resumed>) = 6 [pid 773] symlink("/dev/binderfs", "./binderfs" [pid 771] <... bpf resumed>) = 4 [pid 769] ioctl(6, PPPIOCNEWUNIT [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 773] <... symlink resumed>) = 0 [pid 771] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 769] <... ioctl resumed>, 0x20001400) = 0 [pid 771] <... bpf resumed>) = 5 [pid 769] bpf(BPF_PROG_LOAD, NULL, 0 [pid 771] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 769] <... bpf resumed>) = -1 EFAULT (Bad address) executing program [pid 773] write(1, "executing program\n", 18 [pid 297] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 773] <... write resumed>) = 18 [pid 771] <... openat resumed>) = 6 [pid 769] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... openat resumed>) = 3 [pid 773] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 771] ioctl(6, PPPIOCNEWUNIT [pid 769] <... bpf resumed>) = 7 [pid 297] newfstatat(3, "", [pid 773] <... bpf resumed>) = 3 [pid 771] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 769] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 773] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 771] bpf(BPF_PROG_LOAD, NULL, 0 [pid 769] <... bpf resumed>) = 0 [pid 773] <... bpf resumed>) = 0 [pid 771] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 769] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] getdents64(3, [pid 773] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 771] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 769] <... bpf resumed>) = 8 [pid 773] <... bpf resumed>) = 4 [pid 771] <... bpf resumed>) = 7 [pid 769] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 773] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 771] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 769] <... bpf resumed>) = 9 [pid 297] umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 773] <... bpf resumed>) = 5 [pid 771] <... bpf resumed>) = 0 [pid 769] exit_group(0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 773] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 771] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 769] <... exit_group resumed>) = ? [pid 297] newfstatat(AT_FDCWD, "./36/binderfs", [pid 773] <... openat resumed>) = 6 [pid 771] <... bpf resumed>) = 8 [pid 773] ioctl(6, PPPIOCNEWUNIT [pid 771] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 771] <... bpf resumed>) = 9 [pid 771] exit_group(0) = ? [pid 773] <... ioctl resumed>, 0x20001400) = 0 [pid 771] +++ exited with 0 +++ [pid 297] unlink("./36/binderfs" [pid 773] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] <... unlink resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=771, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 773] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] getdents64(3, [pid 773] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 773] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] close(3 [pid 773] <... bpf resumed>) = 0 [pid 295] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 773] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... close resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 773] <... bpf resumed>) = 8 [pid 297] rmdir("./36" [pid 295] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 773] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... rmdir resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 773] <... bpf resumed>) = 9 [pid 297] mkdir("./37", 0777 [pid 295] newfstatat(3, "", [pid 773] exit_group(0 [pid 297] <... mkdir resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 773] <... exit_group resumed>) = ? [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] getdents64(3, [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 777 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 759] +++ exited with 0 +++ [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=759, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 295] newfstatat(AT_FDCWD, "./37/binderfs", [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 295] unlink("./37/binderfs"./strace-static-x86_64: Process 777 attached ) = 0 [pid 777] set_robust_list(0x55555719e760, 24 [pid 295] getdents64(3, [pid 777] <... set_robust_list resumed>) = 0 [pid 777] chdir("./37") = 0 [pid 777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 777] setpgid(0, 0 [pid 298] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] close(3 [pid 298] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... close resumed>) = 0 [pid 777] <... setpgid resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", [pid 295] rmdir("./37" [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... rmdir resumed>) = 0 [pid 298] getdents64(3, [pid 295] mkdir("./38", 0777 [pid 777] <... openat resumed>) = 3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 777] write(3, "1000", 4) = 4 [pid 777] close(3) = 0 [pid 777] symlink("/dev/binderfs", "./binderfs" [pid 295] <... mkdir resumed>) = 0 [pid 298] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 778 attached [pid 777] <... symlink resumed>) = 0 [pid 298] newfstatat(AT_FDCWD, "./42/binderfs", [pid 777] write(1, "executing program\n", 18 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 778 [pid 778] set_robust_list(0x55555719e760, 24 [pid 777] <... write resumed>) = 18 [pid 298] unlink("./42/binderfs" [pid 778] <... set_robust_list resumed>) = 0 [pid 777] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... unlink resumed>) = 0 [pid 778] chdir("./38" [pid 777] <... bpf resumed>) = 3 [pid 298] getdents64(3, [pid 778] <... chdir resumed>) = 0 [pid 777] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 777] <... bpf resumed>) = 0 [pid 298] close(3 [pid 778] <... prctl resumed>) = 0 [pid 777] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 778] setpgid(0, 0 [pid 777] <... bpf resumed>) = 4 [pid 298] <... close resumed>) = 0 [pid 778] <... setpgid resumed>) = 0 [pid 777] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] rmdir("./42" [pid 778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 777] <... bpf resumed>) = 5 [pid 778] <... openat resumed>) = 3 [pid 777] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 778] write(3, "1000", 4 [pid 777] <... openat resumed>) = 6 [pid 298] <... rmdir resumed>) = 0 [pid 778] <... write resumed>) = 4 [pid 777] ioctl(6, PPPIOCNEWUNIT [pid 298] mkdir("./43", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 779 [pid 778] close(3) = 0 [pid 778] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 778] write(1, "executing program\n", 18./strace-static-x86_64: Process 779 attached ) = 18 [pid 777] <... ioctl resumed>, 0x20001400) = 0 [pid 779] set_robust_list(0x55555719e760, 24 [pid 777] bpf(BPF_PROG_LOAD, NULL, 0 [pid 779] <... set_robust_list resumed>) = 0 [pid 777] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 778] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 779] chdir("./43" [pid 777] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 779] <... chdir resumed>) = 0 [pid 777] <... bpf resumed>) = 7 [pid 779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 777] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 779] <... prctl resumed>) = 0 [pid 778] <... bpf resumed>) = 3 [pid 777] <... bpf resumed>) = 0 [pid 779] setpgid(0, 0 [pid 777] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 779] <... setpgid resumed>) = 0 [pid 778] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 777] <... bpf resumed>) = 8 [pid 779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 778] <... bpf resumed>) = 0 [pid 777] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 779] <... openat resumed>) = 3 [pid 778] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 777] <... bpf resumed>) = 9 [pid 779] write(3, "1000", 4 [pid 777] exit_group(0 [pid 779] <... write resumed>) = 4 [pid 777] <... exit_group resumed>) = ? [pid 779] close(3 [pid 778] <... bpf resumed>) = 4 [pid 778] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 778] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 779] <... close resumed>) = 0 [pid 778] <... openat resumed>) = 6 [pid 778] ioctl(6, PPPIOCNEWUNIT [pid 779] symlink("/dev/binderfs", "./binderfs") = 0 [pid 778] <... ioctl resumed>, 0x20001400) = 0 [pid 779] write(1, "executing program\n", 18 [pid 778] bpf(BPF_PROG_LOAD, NULL, 0executing program [pid 779] <... write resumed>) = 18 [pid 778] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 779] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 778] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 779] <... bpf resumed>) = 3 [pid 778] <... bpf resumed>) = 7 [pid 779] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 778] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 779] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 778] <... bpf resumed>) = 0 [pid 779] <... bpf resumed>) = 4 [pid 778] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 779] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 778] <... bpf resumed>) = 8 [pid 779] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 778] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 779] <... openat resumed>) = 6 [pid 778] <... bpf resumed>) = 9 [pid 779] ioctl(6, PPPIOCNEWUNIT [pid 778] exit_group(0 [pid 779] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 778] <... exit_group resumed>) = ? [pid 779] bpf(BPF_PROG_LOAD, NULL, 0 [pid 769] +++ exited with 0 +++ [pid 779] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=769, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 779] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 779] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 779] <... bpf resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 779] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 779] <... bpf resumed>) = 8 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 779] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 779] <... bpf resumed>) = 9 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 779] exit_group(0 [pid 296] newfstatat(AT_FDCWD, "./40/binderfs", [pid 779] <... exit_group resumed>) = ? [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./40/binderfs") = 0 [pid 296] getdents64(3, [pid 779] +++ exited with 0 +++ [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... close resumed>) = 0 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 296] rmdir("./40") = 0 [pid 296] mkdir("./41", 0777 [pid 298] <... restart_syscall resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 781 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, ./strace-static-x86_64: Process 781 attached 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./43/binderfs" [pid 781] set_robust_list(0x55555719e760, 24) = 0 [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./43" [pid 781] chdir("./41" [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./44", 0777 [pid 781] <... chdir resumed>) = 0 [pid 781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 781] <... prctl resumed>) = 0 [pid 781] setpgid(0, 0) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 782 [pid 781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 781] write(3, "1000", 4) = 4 [pid 781] close(3) = 0 [pid 781] symlink("/dev/binderfs", "./binderfs") = 0 [pid 781] write(1, "executing program\n", 18executing program ) = 18 [pid 781] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 781] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 781] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 781] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 781] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 781] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 781] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 781] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 781] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 781] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 782 attached [pid 782] set_robust_list(0x55555719e760, 24 [pid 781] <... bpf resumed>) = 8 [pid 782] <... set_robust_list resumed>) = 0 [pid 782] chdir("./44") = 0 [pid 782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 782] setpgid(0, 0 [pid 781] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 782] <... setpgid resumed>) = 0 [pid 781] <... bpf resumed>) = 9 [pid 782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 781] exit_group(0 [pid 782] <... openat resumed>) = 3 [pid 781] <... exit_group resumed>) = ? [pid 782] write(3, "1000", 4) = 4 [pid 782] close(3) = 0 [pid 782] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 782] write(1, "executing program\n", 18) = 18 [pid 782] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 782] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 782] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 782] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 782] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 777] +++ exited with 0 +++ [pid 773] +++ exited with 0 +++ [pid 782] ioctl(6, PPPIOCNEWUNIT [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=773, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 782] <... ioctl resumed>, 0x20001400) = 0 [pid 782] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 782] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 782] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 782] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 782] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 782] exit_group(0 [pid 299] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... openat resumed>) = 3 [pid 782] <... exit_group resumed>) = ? [pid 299] newfstatat(3, "", [pid 297] <... openat resumed>) = 3 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] newfstatat(3, "", [pid 299] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] getdents64(3, [pid 299] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] newfstatat(AT_FDCWD, "./41/binderfs", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] newfstatat(AT_FDCWD, "./37/binderfs", [pid 299] unlink("./41/binderfs" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... unlink resumed>) = 0 [pid 297] unlink("./37/binderfs" [pid 299] getdents64(3, [pid 297] <... unlink resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] getdents64(3, [pid 299] close(3 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... close resumed>) = 0 [pid 297] close(3 [pid 299] rmdir("./41" [pid 297] <... close resumed>) = 0 [pid 297] rmdir("./37" [pid 778] +++ exited with 0 +++ [pid 299] <... rmdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 299] mkdir("./42", 0777 [pid 297] mkdir("./38", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=778, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 789 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 790 [pid 295] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./38/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./38"./strace-static-x86_64: Process 790 attached ./strace-static-x86_64: Process 789 attached ) = 0 [pid 790] set_robust_list(0x55555719e760, 24 [pid 789] set_robust_list(0x55555719e760, 24 [pid 790] <... set_robust_list resumed>) = 0 [pid 789] <... set_robust_list resumed>) = 0 [pid 790] chdir("./38" [pid 789] chdir("./42" [pid 790] <... chdir resumed>) = 0 [pid 789] <... chdir resumed>) = 0 [pid 790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 789] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 790] <... prctl resumed>) = 0 [pid 790] setpgid(0, 0 [pid 789] <... prctl resumed>) = 0 [pid 295] mkdir("./39", 0777 [pid 790] <... setpgid resumed>) = 0 [pid 789] setpgid(0, 0 [pid 790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 789] <... setpgid resumed>) = 0 [pid 790] <... openat resumed>) = 3 [pid 789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... mkdir resumed>) = 0 [pid 790] write(3, "1000", 4 [pid 789] <... openat resumed>) = 3 [pid 790] <... write resumed>) = 4 [pid 789] write(3, "1000", 4 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 790] close(3 [pid 789] <... write resumed>) = 4 [pid 790] <... close resumed>) = 0 [pid 790] symlink("/dev/binderfs", "./binderfs" [pid 789] close(3 [pid 790] <... symlink resumed>) = 0 [pid 789] <... close resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 792 [pid 790] write(1, "executing program\n", 18executing program [pid 789] symlink("/dev/binderfs", "./binderfs" [pid 790] <... write resumed>) = 18 [pid 789] <... symlink resumed>) = 0 [pid 790] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 789] write(1, "executing program\n", 18 [pid 790] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4executing program ) = 0 [pid 789] <... write resumed>) = 18 [pid 790] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 789] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 792 attached [pid 790] <... bpf resumed>) = 4 [pid 789] <... bpf resumed>) = 3 [pid 792] set_robust_list(0x55555719e760, 24 [pid 790] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 789] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 792] <... set_robust_list resumed>) = 0 [pid 790] <... bpf resumed>) = 5 [pid 789] <... bpf resumed>) = 0 [pid 792] chdir("./39" [pid 790] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 789] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 792] <... chdir resumed>) = 0 [pid 790] <... openat resumed>) = 6 [pid 789] <... bpf resumed>) = 4 [pid 792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 790] ioctl(6, PPPIOCNEWUNIT [pid 789] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 792] <... prctl resumed>) = 0 [pid 790] <... ioctl resumed>, 0x20001400) = 0 [pid 789] <... bpf resumed>) = 5 [pid 792] setpgid(0, 0 [pid 790] bpf(BPF_PROG_LOAD, NULL, 0 [pid 789] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 792] <... setpgid resumed>) = 0 [pid 790] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 789] <... openat resumed>) = 6 [pid 792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 790] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 789] ioctl(6, PPPIOCNEWUNIT [pid 792] <... openat resumed>) = 3 [pid 790] <... bpf resumed>) = 7 [pid 789] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 792] write(3, "1000", 4 [pid 790] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 789] bpf(BPF_PROG_LOAD, NULL, 0 [pid 792] <... write resumed>) = 4 [pid 790] <... bpf resumed>) = 0 [pid 789] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 792] close(3 [pid 790] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 789] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 792] <... close resumed>) = 0 [pid 790] <... bpf resumed>) = 8 [pid 789] <... bpf resumed>) = 7 [pid 790] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 789] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 790] <... bpf resumed>) = 9 [pid 789] <... bpf resumed>) = 0 [pid 792] symlink("/dev/binderfs", "./binderfs" [pid 790] exit_group(0 [pid 789] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 790] <... exit_group resumed>) = ? [pid 789] <... bpf resumed>) = 8 [pid 792] <... symlink resumed>) = 0 [pid 789] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 executing program [pid 792] write(1, "executing program\n", 18 [pid 789] exit_group(0 [pid 792] <... write resumed>) = 18 [pid 789] <... exit_group resumed>) = ? [pid 792] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 789] +++ exited with 0 +++ [pid 792] <... bpf resumed>) = 3 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=789, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 792] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 792] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... restart_syscall resumed>) = 0 [pid 792] <... bpf resumed>) = 4 [pid 792] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 299] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 792] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 782] +++ exited with 0 +++ [pid 781] +++ exited with 0 +++ [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 792] <... openat resumed>) = 6 [pid 299] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=781, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 792] ioctl(6, PPPIOCNEWUNIT [pid 299] <... openat resumed>) = 3 [pid 792] <... ioctl resumed>, 0x20001400) = 0 [pid 299] newfstatat(3, "", [pid 792] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 792] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] getdents64(3, [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 792] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 792] <... bpf resumed>) = 7 [pid 299] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... openat resumed>) = 3 [pid 792] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(3, "", [pid 792] <... bpf resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./42/binderfs", [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 792] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] getdents64(3, [pid 296] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 792] <... bpf resumed>) = 8 [pid 299] unlink("./42/binderfs" [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 792] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... unlink resumed>) = 0 [pid 298] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 792] <... bpf resumed>) = 9 [pid 299] getdents64(3, [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 792] exit_group(0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] newfstatat(AT_FDCWD, "./44/binderfs", [pid 296] <... openat resumed>) = 3 [pid 792] <... exit_group resumed>) = ? [pid 299] close(3 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(3, "", [pid 299] <... close resumed>) = 0 [pid 298] unlink("./44/binderfs" [pid 299] rmdir("./42" [pid 298] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] <... rmdir resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./41/binderfs", [pid 299] mkdir("./43", 0777 [pid 298] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./41/binderfs" [pid 299] <... mkdir resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... unlink resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] close(3 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 298] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 798 [pid 298] rmdir("./44" [pid 296] rmdir("./41" [pid 298] <... rmdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 298] mkdir("./45", 0777 [pid 296] mkdir("./42", 0777 [pid 298] <... mkdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 800 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 799 ./strace-static-x86_64: Process 799 attached [pid 799] set_robust_list(0x55555719e760, 24) = 0 [pid 799] chdir("./42"./strace-static-x86_64: Process 798 attached [pid 798] set_robust_list(0x55555719e760, 24) = 0 [pid 798] chdir("./43" [pid 799] <... chdir resumed>) = 0 [pid 799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 799] setpgid(0, 0 [pid 798] <... chdir resumed>) = 0 [pid 799] <... setpgid resumed>) = 0 [pid 799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 798] setpgid(0, 0) = 0 [pid 798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 799] <... openat resumed>) = 3 ./strace-static-x86_64: Process 800 attached [pid 800] set_robust_list(0x55555719e760, 24) = 0 [pid 800] chdir("./45" [pid 798] <... openat resumed>) = 3 [pid 799] write(3, "1000", 4) = 4 [pid 799] close(3) = 0 [pid 799] symlink("/dev/binderfs", "./binderfs" [pid 798] write(3, "1000", 4 [pid 800] <... chdir resumed>) = 0 [pid 800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 799] <... symlink resumed>) = 0 [pid 798] <... write resumed>) = 4 [pid 800] setpgid(0, 0 [pid 799] write(1, "executing program\n", 18 [pid 798] close(3executing program [pid 800] <... setpgid resumed>) = 0 [pid 799] <... write resumed>) = 18 [pid 798] <... close resumed>) = 0 [pid 800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 799] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 798] symlink("/dev/binderfs", "./binderfs" [pid 800] <... openat resumed>) = 3 [pid 800] write(3, "1000", 4 [pid 799] <... bpf resumed>) = 3 [pid 798] <... symlink resumed>) = 0 [pid 800] <... write resumed>) = 4 [pid 799] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 798] write(1, "executing program\n", 18executing program [pid 800] close(3 [pid 799] <... bpf resumed>) = 0 [pid 798] <... write resumed>) = 18 [pid 799] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 798] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 800] <... close resumed>) = 0 [pid 799] <... bpf resumed>) = 4 [pid 798] <... bpf resumed>) = 3 [pid 800] symlink("/dev/binderfs", "./binderfs" [pid 799] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 798] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 800] <... symlink resumed>) = 0 [pid 798] <... bpf resumed>) = 0 executing program [pid 800] write(1, "executing program\n", 18 [pid 798] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 800] <... write resumed>) = 18 [pid 798] <... bpf resumed>) = 4 [pid 800] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 798] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 800] <... bpf resumed>) = 3 [pid 800] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 800] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 800] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 799] <... bpf resumed>) = 5 [pid 798] <... bpf resumed>) = 5 [pid 790] +++ exited with 0 +++ [pid 800] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 799] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 798] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 800] <... openat resumed>) = 6 [pid 799] <... openat resumed>) = 6 [pid 798] <... openat resumed>) = 6 [pid 800] ioctl(6, PPPIOCNEWUNIT [pid 799] ioctl(6, PPPIOCNEWUNIT [pid 798] ioctl(6, PPPIOCNEWUNIT [pid 800] <... ioctl resumed>, 0x20001400) = 0 [pid 799] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 798] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 800] bpf(BPF_PROG_LOAD, NULL, 0 [pid 799] bpf(BPF_PROG_LOAD, NULL, 0 [pid 798] bpf(BPF_PROG_LOAD, NULL, 0 [pid 800] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 799] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 798] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 800] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 799] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 798] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 800] <... bpf resumed>) = 7 [pid 799] <... bpf resumed>) = 7 [pid 798] <... bpf resumed>) = 7 [pid 800] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 799] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 798] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 800] <... bpf resumed>) = 0 [pid 799] <... bpf resumed>) = 0 [pid 798] <... bpf resumed>) = 0 [pid 297] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 800] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 799] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 798] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 800] <... bpf resumed>) = 8 [pid 799] <... bpf resumed>) = 8 [pid 798] <... bpf resumed>) = 8 [pid 792] +++ exited with 0 +++ [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 800] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 799] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 798] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 800] <... bpf resumed>) = 9 [pid 799] <... bpf resumed>) = 9 [pid 798] <... bpf resumed>) = 9 [pid 297] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=792, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 800] exit_group(0 [pid 799] exit_group(0 [pid 798] exit_group(0 [pid 297] <... openat resumed>) = 3 [pid 800] <... exit_group resumed>) = ? [pid 799] <... exit_group resumed>) = ? [pid 798] <... exit_group resumed>) = ? [pid 297] newfstatat(3, "", [pid 799] +++ exited with 0 +++ [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] getdents64(3, [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=799, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... openat resumed>) = 3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(3, "", [pid 297] newfstatat(AT_FDCWD, "./38/binderfs", [pid 296] <... restart_syscall resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] getdents64(3, [pid 297] unlink("./38/binderfs" [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] newfstatat(AT_FDCWD, "./39/binderfs", [pid 296] <... openat resumed>) = 3 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(3, "", [pid 295] unlink("./39/binderfs" [pid 297] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] close(3 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... close resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./42/binderfs", [pid 295] rmdir("./39" [pid 297] close(3 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 296] unlink("./42/binderfs" [pid 295] mkdir("./40", 0777 [pid 297] <... close resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 297] rmdir("./38" [pid 296] getdents64(3, [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 806 [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./42"./strace-static-x86_64: Process 806 attached [pid 297] <... rmdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 806] set_robust_list(0x55555719e760, 24 [pid 297] mkdir("./39", 0777 [pid 296] mkdir("./43", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... mkdir resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 807 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 808 attached [pid 806] <... set_robust_list resumed>) = 0 [pid 798] +++ exited with 0 +++ ./strace-static-x86_64: Process 807 attached [pid 807] set_robust_list(0x55555719e760, 24) = 0 [pid 807] chdir("./43") = 0 [pid 807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 807] setpgid(0, 0) = 0 [pid 807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 807] write(3, "1000", 4 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 808 [pid 807] <... write resumed>) = 4 [pid 807] close(3) = 0 [pid 807] symlink("/dev/binderfs", "./binderfs" [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=798, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 807] <... symlink resumed>) = 0 executing program [pid 807] write(1, "executing program\n", 18) = 18 [pid 807] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... restart_syscall resumed>) = 0 [pid 807] <... bpf resumed>) = 3 [pid 807] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 807] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 806] chdir("./40" [pid 807] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 807] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 807] ioctl(6, PPPIOCNEWUNIT [pid 299] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 808] set_robust_list(0x55555719e760, 24 [pid 806] <... chdir resumed>) = 0 [pid 299] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 808] <... set_robust_list resumed>) = 0 [pid 806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 806] <... prctl resumed>) = 0 [pid 299] unlink("./43/binderfs" [pid 807] <... ioctl resumed>, 0x20001400) = 0 [pid 807] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 299] <... unlink resumed>) = 0 [pid 807] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 806] setpgid(0, 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 807] <... bpf resumed>) = 7 [pid 807] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 299] close(3 [pid 807] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./43" [pid 807] <... bpf resumed>) = 8 [pid 299] <... rmdir resumed>) = 0 [pid 807] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] mkdir("./44", 0777 [pid 806] <... setpgid resumed>) = 0 [pid 807] <... bpf resumed>) = 9 [pid 807] exit_group(0) = ? [pid 299] <... mkdir resumed>) = 0 [pid 806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 810 [pid 806] <... openat resumed>) = 3 [pid 808] chdir("./39") = 0 [pid 808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 808] setpgid(0, 0) = 0 [pid 808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 808] write(3, "1000", 4) = 4 [pid 808] close(3) = 0 [pid 808] symlink("/dev/binderfs", "./binderfs" [pid 806] write(3, "1000", 4) = 4 executing program [pid 808] <... symlink resumed>) = 0 [pid 806] close(3 [pid 808] write(1, "executing program\n", 18) = 18 [pid 808] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 808] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 808] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 806] <... close resumed>) = 0 [pid 806] symlink("/dev/binderfs", "./binderfs") = 0 [pid 806] write(1, "executing program\n", 18executing program ) = 18 [pid 808] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 806] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 808] <... bpf resumed>) = 5 [pid 806] <... bpf resumed>) = 3 [pid 808] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 808] ioctl(6, PPPIOCNEWUNIT [pid 806] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 806] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 806] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 810 attached [pid 810] set_robust_list(0x55555719e760, 24) = 0 [pid 810] chdir("./44" [pid 806] <... bpf resumed>) = 5 [pid 810] <... chdir resumed>) = 0 [pid 810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 810] setpgid(0, 0) = 0 [pid 810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 808] <... ioctl resumed>, 0x20001400) = 0 [pid 810] <... openat resumed>) = 3 [pid 808] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 808] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 810] write(3, "1000", 4 [pid 808] <... bpf resumed>) = 7 [pid 810] <... write resumed>) = 4 [pid 808] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 810] close(3 [pid 808] <... bpf resumed>) = 0 [pid 810] <... close resumed>) = 0 [pid 808] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 810] symlink("/dev/binderfs", "./binderfs" [pid 808] <... bpf resumed>) = 8 [pid 806] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 800] +++ exited with 0 +++ [pid 810] <... symlink resumed>) = 0 [pid 806] <... openat resumed>) = 6 [pid 810] write(1, "executing program\n", 18 executing program [pid 808] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 810] <... write resumed>) = 18 [pid 808] <... bpf resumed>) = 9 [pid 810] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 808] exit_group(0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=800, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 806] ioctl(6, PPPIOCNEWUNIT [pid 810] <... bpf resumed>) = 3 [pid 808] <... exit_group resumed>) = ? [pid 810] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 806] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 298] <... restart_syscall resumed>) = 0 [pid 810] <... bpf resumed>) = 0 [pid 806] bpf(BPF_PROG_LOAD, NULL, 0 [pid 810] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 806] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 810] <... bpf resumed>) = 4 [pid 806] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 810] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 810] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 810] <... openat resumed>) = 6 [pid 810] ioctl(6, PPPIOCNEWUNIT [pid 298] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 806] <... bpf resumed>) = 7 [pid 298] <... openat resumed>) = 3 [pid 806] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 810] <... ioctl resumed>, 0x20001400) = 0 [pid 807] +++ exited with 0 +++ [pid 806] <... bpf resumed>) = 0 [pid 298] newfstatat(3, "", [pid 810] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 810] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 810] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 810] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 806] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 810] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 810] exit_group(0) = ? [pid 298] getdents64(3, [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=807, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 806] <... bpf resumed>) = 8 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 806] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 806] <... bpf resumed>) = 9 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 806] exit_group(0 [pid 298] newfstatat(AT_FDCWD, "./45/binderfs", [pid 296] getdents64(3, [pid 806] <... exit_group resumed>) = ? [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./45/binderfs" [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... unlink resumed>) = 0 [pid 296] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 806] +++ exited with 0 +++ [pid 298] getdents64(3, [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=806, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] newfstatat(AT_FDCWD, "./43/binderfs", [pid 295] <... restart_syscall resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] close(3 [pid 296] unlink("./43/binderfs" [pid 298] <... close resumed>) = 0 [pid 298] rmdir("./45" [pid 296] <... unlink resumed>) = 0 [pid 295] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... rmdir resumed>) = 0 [pid 296] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] mkdir("./46", 0777 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] close(3 [pid 298] <... mkdir resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 296] <... close resumed>) = 0 [pid 295] newfstatat(3, "", [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] rmdir("./43" [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 812 attached [pid 812] set_robust_list(0x55555719e760, 24) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 812 [pid 295] getdents64(3, [pid 296] mkdir("./44", 0777 [pid 812] chdir("./46") = 0 [pid 812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 812] setpgid(0, 0) = 0 [pid 812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 296] <... mkdir resumed>) = 0 [pid 295] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 812] write(3, "1000", 4 [pid 295] newfstatat(AT_FDCWD, "./40/binderfs", [pid 812] <... write resumed>) = 4 [pid 812] close(3) = 0 [pid 812] symlink("/dev/binderfs", "./binderfs") = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 812] write(1, "executing program\n", 18executing program [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 813 [pid 295] unlink("./40/binderfs" [pid 812] <... write resumed>) = 18 ./strace-static-x86_64: Process 813 attached [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 812] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] rmdir("./40" [pid 812] <... bpf resumed>) = 3 [pid 812] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 812] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./41", 0777 [pid 812] <... bpf resumed>) = 4 [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 812] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 812] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 812] ioctl(6, PPPIOCNEWUNIT [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 814 ./strace-static-x86_64: Process 814 attached [pid 814] set_robust_list(0x55555719e760, 24 [pid 812] <... ioctl resumed>, 0x20001400) = 0 [pid 814] <... set_robust_list resumed>) = 0 [pid 813] set_robust_list(0x55555719e760, 24) = 0 [pid 813] chdir("./44") = 0 [pid 812] bpf(BPF_PROG_LOAD, NULL, 0 [pid 813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 812] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 813] <... prctl resumed>) = 0 [pid 812] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 813] setpgid(0, 0 [pid 812] <... bpf resumed>) = 7 [pid 813] <... setpgid resumed>) = 0 [pid 812] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 812] <... bpf resumed>) = 0 [pid 812] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 814] chdir("./41" [pid 812] <... bpf resumed>) = 8 [pid 813] <... openat resumed>) = 3 [pid 813] write(3, "1000", 4) = 4 [pid 813] close(3) = 0 [pid 813] symlink("/dev/binderfs", "./binderfs") = 0 [pid 813] write(1, "executing program\n", 18executing program ) = 18 [pid 813] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 812] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 813] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 814] <... chdir resumed>) = 0 [pid 813] <... bpf resumed>) = 0 [pid 812] exit_group(0 [pid 813] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 812] <... exit_group resumed>) = ? [pid 814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 813] <... bpf resumed>) = 4 [pid 813] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 814] setpgid(0, 0) = 0 [pid 813] <... bpf resumed>) = 5 [pid 814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 813] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 814] write(3, "1000", 4 [pid 813] <... openat resumed>) = 6 [pid 814] <... write resumed>) = 4 [pid 813] ioctl(6, PPPIOCNEWUNIT [pid 814] close(3) = 0 [pid 814] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 814] write(1, "executing program\n", 18) = 18 [pid 814] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 814] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 813] <... ioctl resumed>, 0x20001400) = 0 [pid 814] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 813] bpf(BPF_PROG_LOAD, NULL, 0 [pid 814] <... bpf resumed>) = 4 [pid 813] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 814] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 813] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 814] <... bpf resumed>) = 5 [pid 814] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 813] <... bpf resumed>) = 7 [pid 814] <... openat resumed>) = 6 [pid 814] ioctl(6, PPPIOCNEWUNIT [pid 813] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 814] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 814] bpf(BPF_PROG_LOAD, NULL, 0 [pid 813] <... bpf resumed>) = 0 [pid 814] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 814] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 813] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 814] <... bpf resumed>) = 7 [pid 814] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 813] <... bpf resumed>) = 8 [pid 814] <... bpf resumed>) = 0 [pid 813] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 814] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 813] <... bpf resumed>) = 9 [pid 814] <... bpf resumed>) = 8 [pid 813] exit_group(0 [pid 814] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 813] <... exit_group resumed>) = ? [pid 814] exit_group(0) = ? [pid 814] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=814, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./41/binderfs") = 0 [pid 808] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=808, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] getdents64(3, [pid 297] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./39/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./39") = 0 [pid 295] close(3 [pid 297] mkdir("./40", 0777) = 0 [pid 295] <... close resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] rmdir("./41" [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 818 [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./42", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 819 ./strace-static-x86_64: Process 819 attached [pid 819] set_robust_list(0x55555719e760, 24) = 0 [pid 819] chdir("./42") = 0 [pid 819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 819] setpgid(0, 0) = 0 [pid 819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 819] write(3, "1000", 4) = 4 [pid 819] close(3) = 0 [pid 819] symlink("/dev/binderfs", "./binderfs") = 0 [pid 819] write(1, "executing program\n", 18executing program ) = 18 [pid 819] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 819] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 819] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 810] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./44/binderfs") = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./44") = 0 [pid 299] mkdir("./45", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 820 [pid 819] <... bpf resumed>) = 4 [pid 819] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 820 attached [pid 820] set_robust_list(0x55555719e760, 24) = 0 [pid 820] chdir("./45") = 0 [pid 820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 820] setpgid(0, 0) = 0 [pid 820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 820] write(3, "1000", 4) = 4 [pid 820] close(3) = 0 [pid 820] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 820] write(1, "executing program\n", 18) = 18 [pid 820] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 820] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 820] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 820] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 818 attached [pid 818] set_robust_list(0x55555719e760, 24) = 0 [pid 818] chdir("./40") = 0 [pid 818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 818] setpgid(0, 0) = 0 [pid 818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 818] write(3, "1000", 4) = 4 [pid 818] close(3) = 0 [pid 818] symlink("/dev/binderfs", "./binderfs") = 0 [pid 818] write(1, "executing program\n", 18executing program ) = 18 [pid 818] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 818] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 818] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 818] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 813] +++ exited with 0 +++ [pid 812] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=812, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=813, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... restart_syscall resumed>) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 298] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./46/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./46") = 0 [pid 298] mkdir("./47", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 823 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./44/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./44") = 0 [pid 296] mkdir("./45", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 824 ./strace-static-x86_64: Process 824 attached [pid 824] set_robust_list(0x55555719e760, 24) = 0 [pid 824] chdir("./45") = 0 [pid 824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 824] setpgid(0, 0) = 0 [pid 824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 824] write(3, "1000", 4) = 4 [pid 824] close(3) = 0 [pid 824] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 824] write(1, "executing program\n", 18) = 18 [pid 824] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 824] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 824] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 824] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 823 attached [pid 823] set_robust_list(0x55555719e760, 24) = 0 [pid 823] chdir("./47") = 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 823] write(3, "1000", 4) = 4 [pid 823] close(3 [pid 824] <... bpf resumed>) = 5 [pid 820] <... bpf resumed>) = 5 [pid 819] <... bpf resumed>) = 5 [pid 818] <... bpf resumed>) = 5 [pid 824] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 820] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 819] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 818] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 824] <... openat resumed>) = 6 [pid 820] <... openat resumed>) = 6 [pid 819] <... openat resumed>) = 6 [pid 818] <... openat resumed>) = 6 [pid 824] ioctl(6, PPPIOCNEWUNIT [pid 820] ioctl(6, PPPIOCNEWUNIT [pid 819] ioctl(6, PPPIOCNEWUNIT [pid 818] ioctl(6, PPPIOCNEWUNIT [pid 824] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 823] <... close resumed>) = 0 [pid 820] <... ioctl resumed>, 0x20001400) = 0 [pid 819] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 818] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 824] bpf(BPF_PROG_LOAD, NULL, 0 [pid 820] bpf(BPF_PROG_LOAD, NULL, 0 [pid 819] bpf(BPF_PROG_LOAD, NULL, 0 [pid 818] bpf(BPF_PROG_LOAD, NULL, 0 [pid 824] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 823] symlink("/dev/binderfs", "./binderfs" [pid 820] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 819] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 818] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 824] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 820] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 819] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 818] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 824] <... bpf resumed>) = 7 [pid 820] <... bpf resumed>) = 7 [pid 819] <... bpf resumed>) = 7 [pid 818] <... bpf resumed>) = 7 [pid 824] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 820] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 819] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 818] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 824] <... bpf resumed>) = 0 [pid 820] <... bpf resumed>) = 0 [pid 819] <... bpf resumed>) = 0 [pid 818] <... bpf resumed>) = 0 [pid 824] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 820] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 819] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 818] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 824] <... bpf resumed>) = 8 [pid 823] <... symlink resumed>) = 0 [pid 820] <... bpf resumed>) = 8 [pid 819] <... bpf resumed>) = 8 [pid 818] <... bpf resumed>) = 8 [pid 824] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 820] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 819] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 818] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 824] <... bpf resumed>) = 9 [pid 823] write(1, "executing program\n", 18 [pid 820] <... bpf resumed>) = 9 [pid 819] <... bpf resumed>) = 9 [pid 818] <... bpf resumed>) = 9 [pid 824] exit_group(0 [pid 820] exit_group(0 [pid 819] exit_group(0 [pid 818] exit_group(0 [pid 824] <... exit_group resumed>) = ? executing program [pid 820] <... exit_group resumed>) = ? [pid 819] <... exit_group resumed>) = ? [pid 818] <... exit_group resumed>) = ? [pid 824] +++ exited with 0 +++ [pid 823] <... write resumed>) = 18 [pid 819] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=824, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 823] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=819, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 823] <... bpf resumed>) = 3 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./45/binderfs", [pid 823] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./45/binderfs") = 0 [pid 296] getdents64(3, [pid 823] <... bpf resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./45") = 0 [pid 296] mkdir("./46", 0777 [pid 823] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 827 ./strace-static-x86_64: Process 827 attached [pid 827] set_robust_list(0x55555719e760, 24) = 0 [pid 823] <... bpf resumed>) = 4 [pid 818] +++ exited with 0 +++ [pid 295] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=818, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 827] chdir("./46") = 0 [pid 827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 827] setpgid(0, 0) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 823] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./40/binderfs", [pid 823] <... bpf resumed>) = 5 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... openat resumed>) = 3 [pid 297] unlink("./40/binderfs" [pid 823] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] <... unlink resumed>) = 0 [pid 295] newfstatat(3, "", [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./40") = 0 [pid 297] mkdir("./41", 0777 [pid 823] <... openat resumed>) = 6 [pid 297] <... mkdir resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 823] ioctl(6, PPPIOCNEWUNITexecuting program [pid 295] getdents64(3, [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 828 [pid 827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 827] write(3, "1000", 4) = 4 [pid 827] close(3) = 0 [pid 827] symlink("/dev/binderfs", "./binderfs") = 0 [pid 827] write(1, "executing program\n", 18) = 18 [pid 827] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 823] <... ioctl resumed>, 0x20001400) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 827] <... bpf resumed>) = 3 [pid 823] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] newfstatat(AT_FDCWD, "./42/binderfs", [pid 827] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 823] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] unlink("./42/binderfs" [pid 827] <... bpf resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 823] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] getdents64(3, [pid 827] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 823] <... bpf resumed>) = 7 [pid 295] close(3 [pid 827] <... bpf resumed>) = 4 [pid 823] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] <... close resumed>) = 0 [pid 827] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 823] <... bpf resumed>) = 0 [pid 295] rmdir("./42" [pid 827] <... bpf resumed>) = 5 [pid 823] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... rmdir resumed>) = 0 [pid 827] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] mkdir("./43", 0777 [pid 827] <... openat resumed>) = 6 [pid 827] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 827] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 827] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 823] <... bpf resumed>) = 8 [pid 827] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 827] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 823] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] <... mkdir resumed>) = 0 [pid 827] <... bpf resumed>) = 8 [pid 823] <... bpf resumed>) = 9 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 827] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 827] exit_group(0 [pid 823] exit_group(0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 829 [pid 827] <... exit_group resumed>) = ? [pid 823] <... exit_group resumed>) = ? [pid 827] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=827, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./46/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./46") = 0 [pid 296] mkdir("./47", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 830 ./strace-static-x86_64: Process 829 attached [pid 829] set_robust_list(0x55555719e760, 24) = 0 [pid 829] chdir("./43") = 0 [pid 829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 829] setpgid(0, 0) = 0 [pid 829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 829] write(3, "1000", 4) = 4 [pid 829] close(3) = 0 [pid 829] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 829] write(1, "executing program\n", 18) = 18 [pid 829] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 829] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 829] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 829] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 828 attached ) = 5 [pid 829] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 829] ioctl(6, PPPIOCNEWUNIT [pid 828] set_robust_list(0x55555719e760, 24./strace-static-x86_64: Process 830 attached ) = 0 [pid 830] set_robust_list(0x55555719e760, 24) = 0 [pid 830] chdir("./47") = 0 [pid 828] chdir("./41" [pid 830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 830] setpgid(0, 0) = 0 [pid 830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 830] write(3, "1000", 4) = 4 [pid 828] <... chdir resumed>) = 0 [pid 830] close(3) = 0 [pid 828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 830] symlink("/dev/binderfs", "./binderfs" [pid 828] <... prctl resumed>) = 0 executing program [pid 830] <... symlink resumed>) = 0 [pid 830] write(1, "executing program\n", 18 [pid 828] setpgid(0, 0 [pid 830] <... write resumed>) = 18 [pid 830] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 828] <... setpgid resumed>) = 0 [pid 830] <... bpf resumed>) = 3 [pid 830] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 830] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 830] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 830] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 828] <... openat resumed>) = 3 [pid 830] <... openat resumed>) = 6 [pid 830] ioctl(6, PPPIOCNEWUNIT [pid 828] write(3, "1000", 4 [pid 830] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 829] <... ioctl resumed>, 0x20001400) = 0 [pid 828] <... write resumed>) = 4 [pid 830] bpf(BPF_PROG_LOAD, NULL, 0 [pid 829] bpf(BPF_PROG_LOAD, NULL, 0 [pid 828] close(3 [pid 830] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 829] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 830] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 829] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 830] <... bpf resumed>) = 7 [pid 828] <... close resumed>) = 0 [pid 830] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 829] <... bpf resumed>) = 7 [pid 828] symlink("/dev/binderfs", "./binderfs" [pid 830] <... bpf resumed>) = 0 [pid 829] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 830] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 829] <... bpf resumed>) = 0 [pid 830] <... bpf resumed>) = 8 [pid 829] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 828] <... symlink resumed>) = 0 [pid 830] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 829] <... bpf resumed>) = 8 [pid 828] write(1, "executing program\n", 18executing program [pid 830] <... bpf resumed>) = 9 [pid 829] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 828] <... write resumed>) = 18 [pid 830] exit_group(0 [pid 829] <... bpf resumed>) = 9 [pid 830] <... exit_group resumed>) = ? [pid 829] exit_group(0 [pid 830] +++ exited with 0 +++ [pid 829] <... exit_group resumed>) = ? [pid 828] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=830, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 828] <... bpf resumed>) = 3 [pid 296] unlink("./47/binderfs" [pid 828] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 820] +++ exited with 0 +++ [pid 296] <... unlink resumed>) = 0 [pid 828] <... bpf resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] getdents64(3, [pid 828] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 828] <... bpf resumed>) = 4 [pid 296] close(3 [pid 828] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] <... close resumed>) = 0 [pid 828] <... bpf resumed>) = 5 [pid 296] rmdir("./47" [pid 828] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] <... rmdir resumed>) = 0 [pid 299] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] mkdir("./48", 0777 [pid 828] <... openat resumed>) = 6 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... mkdir resumed>) = 0 [pid 828] ioctl(6, PPPIOCNEWUNIT [pid 299] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 831 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./45/binderfs") = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./45"./strace-static-x86_64: Process 831 attached [pid 828] <... ioctl resumed>, 0x20001400) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 828] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] mkdir("./46", 0777 [pid 831] set_robust_list(0x55555719e760, 24 [pid 828] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 831] <... set_robust_list resumed>) = 0 [pid 828] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 832 attached [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 832 [pid 828] <... bpf resumed>) = 7 [pid 828] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 832] set_robust_list(0x55555719e760, 24 [pid 831] chdir("./48" [pid 828] <... bpf resumed>) = 0 [pid 828] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 832] <... set_robust_list resumed>) = 0 [pid 831] <... chdir resumed>) = 0 [pid 828] <... bpf resumed>) = 8 [pid 828] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 828] exit_group(0) = ? [pid 832] chdir("./46" [pid 831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 832] <... chdir resumed>) = 0 [pid 831] <... prctl resumed>) = 0 [pid 832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 831] setpgid(0, 0 [pid 823] +++ exited with 0 +++ [pid 832] <... prctl resumed>) = 0 [pid 831] <... setpgid resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=823, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 832] setpgid(0, 0 [pid 831] <... openat resumed>) = 3 [pid 832] <... setpgid resumed>) = 0 [pid 831] write(3, "1000", 4) = 4 [pid 832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 831] close(3) = 0 [pid 831] symlink("/dev/binderfs", "./binderfs" [pid 298] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./47/binderfs" [pid 831] <... symlink resumed>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./47" [pid 832] <... openat resumed>) = 3 [pid 831] write(1, "executing program\n", 18 [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./48", 0777executing program [pid 831] <... write resumed>) = 18 [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 832] write(3, "1000", 4 [pid 831] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 834 [pid 831] <... bpf resumed>) = 3 [pid 831] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 832] <... write resumed>) = 4 [pid 831] <... bpf resumed>) = 0 [pid 831] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 832] close(3 [pid 831] <... bpf resumed>) = 4 [pid 832] <... close resumed>) = 0 [pid 832] symlink("/dev/binderfs", "./binderfs" [pid 831] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 832] <... symlink resumed>) = 0 executing program [pid 832] write(1, "executing program\n", 18) = 18 [pid 832] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 832] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 ./strace-static-x86_64: Process 834 attached [pid 834] set_robust_list(0x55555719e760, 24) = 0 [pid 832] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 834] chdir("./48" [pid 832] <... bpf resumed>) = 4 [pid 834] <... chdir resumed>) = 0 [pid 832] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 834] setpgid(0, 0) = 0 [pid 834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 834] write(3, "1000", 4 [pid 829] +++ exited with 0 +++ [pid 832] <... bpf resumed>) = 5 [pid 831] <... bpf resumed>) = 5 [pid 832] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 831] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=829, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 831] <... openat resumed>) = 6 [pid 832] <... openat resumed>) = 6 [pid 295] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW [pid 832] ioctl(6, PPPIOCNEWUNIT [pid 831] ioctl(6, PPPIOCNEWUNIT [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./43/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./43" [pid 834] <... write resumed>) = 4 [pid 832] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 831] <... ioctl resumed>, 0x20001400) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./44", 0777 [pid 834] close(3 [pid 832] bpf(BPF_PROG_LOAD, NULL, 0 [pid 831] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] <... mkdir resumed>) = 0 [pid 832] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 831] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 832] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 831] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 834] <... close resumed>) = 0 [pid 832] <... bpf resumed>) = 7 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 836 [pid 832] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 831] <... bpf resumed>) = 7 [pid 832] <... bpf resumed>) = 0 [pid 831] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 832] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 831] <... bpf resumed>) = 0 ./strace-static-x86_64: Process 836 attached [pid 836] set_robust_list(0x55555719e760, 24) = 0 [pid 836] chdir("./44") = 0 [pid 836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 832] <... bpf resumed>) = 8 [pid 831] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 834] symlink("/dev/binderfs", "./binderfs" [pid 832] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 836] setpgid(0, 0) = 0 [pid 836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 831] <... bpf resumed>) = 8 [pid 832] <... bpf resumed>) = 9 [pid 831] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 832] exit_group(0 [pid 831] <... bpf resumed>) = 9 [pid 832] <... exit_group resumed>) = ? [pid 836] <... openat resumed>) = 3 [pid 832] +++ exited with 0 +++ [pid 831] exit_group(0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=832, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 831] <... exit_group resumed>) = ? [pid 299] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 834] <... symlink resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./46/binderfs" [pid 834] write(1, "executing program\n", 18 [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./46"executing program [pid 834] <... write resumed>) = 18 [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./47", 0777 [pid 834] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 834] <... bpf resumed>) = 3 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 837 [pid 834] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 836] write(3, "1000", 4) = 4 [pid 836] close(3) = 0 [pid 836] symlink("/dev/binderfs", "./binderfs") = 0 [pid 834] <... bpf resumed>) = 0 [pid 836] write(1, "executing program\n", 18executing program ) = 18 [pid 836] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 834] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 836] <... bpf resumed>) = 3 [pid 836] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 836] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 834] <... bpf resumed>) = 4 [pid 836] <... bpf resumed>) = 4 [pid 834] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 836] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 837 attached [pid 837] set_robust_list(0x55555719e760, 24) = 0 [pid 837] chdir("./47") = 0 [pid 837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 837] setpgid(0, 0) = 0 [pid 837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 837] write(3, "1000", 4) = 4 [pid 837] close(3) = 0 [pid 837] symlink("/dev/binderfs", "./binderfs") = 0 [pid 837] write(1, "executing program\n", 18executing program ) = 18 [pid 837] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 837] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 837] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 836] <... bpf resumed>) = 5 [pid 834] <... bpf resumed>) = 5 [pid 828] +++ exited with 0 +++ [pid 834] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 831] +++ exited with 0 +++ [pid 836] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 834] <... openat resumed>) = 6 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=828, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=831, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 834] ioctl(6, PPPIOCNEWUNIT [pid 836] <... openat resumed>) = 6 [pid 836] ioctl(6, PPPIOCNEWUNIT [pid 837] <... bpf resumed>) = 4 [pid 836] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 834] <... ioctl resumed>, 0x20001400) = 0 [pid 297] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 837] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 836] bpf(BPF_PROG_LOAD, NULL, 0 [pid 834] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 834] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 837] <... bpf resumed>) = 5 [pid 834] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 837] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 834] <... bpf resumed>) = 7 [pid 837] <... openat resumed>) = 6 [pid 836] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 834] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 837] ioctl(6, PPPIOCNEWUNIT [pid 836] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 834] <... bpf resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 296] <... openat resumed>) = 3 [pid 837] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 834] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 837] bpf(BPF_PROG_LOAD, NULL, 0 [pid 836] <... bpf resumed>) = 7 [pid 297] newfstatat(3, "", [pid 296] newfstatat(3, "", [pid 836] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 837] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 836] <... bpf resumed>) = 0 [pid 834] <... bpf resumed>) = 8 [pid 297] getdents64(3, [pid 296] getdents64(3, [pid 837] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 836] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 834] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 837] <... bpf resumed>) = 7 [pid 836] <... bpf resumed>) = 8 [pid 834] <... bpf resumed>) = 9 [pid 297] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 837] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 836] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 834] exit_group(0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 837] <... bpf resumed>) = 0 [pid 836] <... bpf resumed>) = 9 [pid 834] <... exit_group resumed>) = ? [pid 297] newfstatat(AT_FDCWD, "./41/binderfs", [pid 296] newfstatat(AT_FDCWD, "./48/binderfs", [pid 837] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 836] exit_group(0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 836] <... exit_group resumed>) = ? [pid 297] unlink("./41/binderfs" [pid 296] unlink("./48/binderfs" [pid 837] <... bpf resumed>) = 8 [pid 836] +++ exited with 0 +++ [pid 837] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 296] <... unlink resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=836, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 837] exit_group(0 [pid 297] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 837] <... exit_group resumed>) = ? [pid 297] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 297] close(3 [pid 295] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 297] rmdir("./41" [pid 296] rmdir("./48" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... rmdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 295] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] mkdir("./42", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 841 attached [pid 837] +++ exited with 0 +++ [pid 296] mkdir("./49", 0777 [pid 295] <... openat resumed>) = 3 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=837, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 841 [pid 841] set_robust_list(0x55555719e760, 24 [pid 296] <... mkdir resumed>) = 0 [pid 295] newfstatat(3, "", [pid 841] <... set_robust_list resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 844 attached [pid 841] chdir("./42" [pid 299] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] getdents64(3, [pid 299] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 841] <... chdir resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 844 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] newfstatat(AT_FDCWD, "./47/binderfs", [pid 841] <... prctl resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 841] setpgid(0, 0 [pid 299] unlink("./47/binderfs" [pid 844] set_robust_list(0x55555719e760, 24 [pid 841] <... setpgid resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] close(3 [pid 295] newfstatat(AT_FDCWD, "./44/binderfs", [pid 841] <... openat resumed>) = 3 [pid 299] <... close resumed>) = 0 [pid 841] write(3, "1000", 4 [pid 299] rmdir("./47" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 844] <... set_robust_list resumed>) = 0 [pid 841] <... write resumed>) = 4 [pid 299] <... rmdir resumed>) = 0 [pid 295] unlink("./44/binderfs" [pid 841] close(3 [pid 299] mkdir("./48", 0777 [pid 844] chdir("./49" [pid 841] <... close resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 841] symlink("/dev/binderfs", "./binderfs" [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] getdents64(3, [pid 841] <... symlink resumed>) = 0 [pid 841] write(1, "executing program\n", 18executing program [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 845 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 841] <... write resumed>) = 18 [pid 295] close(3 [pid 841] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 844] <... chdir resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 841] <... bpf resumed>) = 3 [pid 295] rmdir("./44" [pid 844] <... prctl resumed>) = 0 [pid 841] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 295] <... rmdir resumed>) = 0 [pid 841] <... bpf resumed>) = 0 [pid 295] mkdir("./45", 0777 [pid 844] setpgid(0, 0 [pid 841] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... mkdir resumed>) = 0 [pid 844] <... setpgid resumed>) = 0 [pid 841] <... bpf resumed>) = 4 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 841] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 846 attached [pid 844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 834] +++ exited with 0 +++ [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 846 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=834, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 844] <... openat resumed>) = 3 [pid 846] set_robust_list(0x55555719e760, 24 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 846] <... set_robust_list resumed>) = 0 [pid 844] write(3, "1000", 4 [pid 298] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 844] <... write resumed>) = 4 ./strace-static-x86_64: Process 845 attached [pid 844] close(3 [pid 298] <... openat resumed>) = 3 [pid 846] chdir("./45" [pid 844] <... close resumed>) = 0 [pid 298] newfstatat(3, "", [pid 844] symlink("/dev/binderfs", "./binderfs" [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 845] set_robust_list(0x55555719e760, 24 [pid 298] getdents64(3, [pid 846] <... chdir resumed>) = 0 [pid 844] <... symlink resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 846] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 844] write(1, "executing program\n", 18 [pid 298] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 846] <... prctl resumed>) = 0 [pid 844] <... write resumed>) = 18 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./48/binderfs", [pid 844] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 846] setpgid(0, 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 846] <... setpgid resumed>) = 0 [pid 844] <... bpf resumed>) = 3 [pid 298] unlink("./48/binderfs" [pid 845] <... set_robust_list resumed>) = 0 [pid 845] chdir("./48" [pid 844] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] <... unlink resumed>) = 0 [pid 846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 844] <... bpf resumed>) = 0 [pid 298] getdents64(3, [pid 844] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 846] <... openat resumed>) = 3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 845] <... chdir resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 298] rmdir("./48" [pid 845] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 846] write(3, "1000", 4 [pid 845] <... prctl resumed>) = 0 [pid 844] <... bpf resumed>) = 4 [pid 298] <... rmdir resumed>) = 0 [pid 845] setpgid(0, 0) = 0 [pid 845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 845] write(3, "1000", 4) = 4 [pid 845] close(3) = 0 [pid 845] symlink("/dev/binderfs", "./binderfs") = 0 [pid 845] write(1, "executing program\n", 18) = 18 [pid 845] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 845] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 845] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 846] <... write resumed>) = 4 [pid 845] <... bpf resumed>) = 4 [pid 844] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 841] <... bpf resumed>) = 5 [pid 298] mkdir("./49", 0777 [pid 846] close(3 [pid 841] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 845] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 845] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 298] <... mkdir resumed>) = 0 [pid 845] ioctl(6, PPPIOCNEWUNIT [pid 841] <... openat resumed>) = 6 [pid 846] <... close resumed>) = 0 [pid 844] <... bpf resumed>) = 5 [pid 841] ioctl(6, PPPIOCNEWUNIT [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 846] symlink("/dev/binderfs", "./binderfs" [pid 844] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 845] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 841] <... ioctl resumed>, 0x20001400) = 0 [pid 845] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 845] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 845] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 845] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 841] bpf(BPF_PROG_LOAD, NULL, 0 [pid 845] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 845] exit_group(0) = ? [pid 844] <... openat resumed>) = 6 [pid 841] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 848 [pid 844] ioctl(6, PPPIOCNEWUNIT [pid 841] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 844] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 841] <... bpf resumed>) = 7 [pid 844] bpf(BPF_PROG_LOAD, NULL, 0 [pid 846] <... symlink resumed>) = 0 [pid 841] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 846] write(1, "executing program\n", 18executing program [pid 844] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 841] <... bpf resumed>) = 0 [pid 846] <... write resumed>) = 18 [pid 844] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 841] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 848 attached [pid 846] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 844] <... bpf resumed>) = 7 [pid 848] set_robust_list(0x55555719e760, 24 [pid 846] <... bpf resumed>) = 3 [pid 845] +++ exited with 0 +++ [pid 844] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 841] <... bpf resumed>) = 8 [pid 848] <... set_robust_list resumed>) = 0 [pid 848] chdir("./49" [pid 846] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 844] <... bpf resumed>) = 0 [pid 841] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=845, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 846] <... bpf resumed>) = 0 [pid 844] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 841] <... bpf resumed>) = 9 [pid 848] <... chdir resumed>) = 0 [pid 848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 848] setpgid(0, 0) = 0 [pid 848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 844] <... bpf resumed>) = 8 [pid 848] <... openat resumed>) = 3 executing program [pid 846] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 844] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 841] exit_group(0 [pid 299] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 848] write(3, "1000", 4 [pid 841] <... exit_group resumed>) = ? [pid 844] <... bpf resumed>) = 9 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 848] <... write resumed>) = 4 [pid 848] close(3) = 0 [pid 848] symlink("/dev/binderfs", "./binderfs") = 0 [pid 848] write(1, "executing program\n", 18) = 18 [pid 299] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 848] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 844] exit_group(0 [pid 299] <... openat resumed>) = 3 [pid 848] <... bpf resumed>) = 3 [pid 844] <... exit_group resumed>) = ? [pid 299] newfstatat(3, "", [pid 848] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 846] <... bpf resumed>) = 4 [pid 844] +++ exited with 0 +++ [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 848] <... bpf resumed>) = 0 [pid 299] getdents64(3, [pid 846] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=844, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 848] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 846] <... bpf resumed>) = 5 [pid 299] newfstatat(AT_FDCWD, "./48/binderfs", [pid 848] <... bpf resumed>) = 4 [pid 846] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 846] <... openat resumed>) = 6 [pid 299] unlink("./48/binderfs" [pid 848] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 299] <... unlink resumed>) = 0 [pid 848] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] getdents64(3, [pid 846] ioctl(6, PPPIOCNEWUNIT [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 848] <... openat resumed>) = 6 [pid 299] close(3 [pid 296] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... close resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] rmdir("./48" [pid 296] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 848] ioctl(6, PPPIOCNEWUNIT [pid 299] <... rmdir resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 299] mkdir("./49", 0777 [pid 296] newfstatat(3, "", [pid 848] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 846] <... ioctl resumed>, 0x20001400) = 0 [pid 848] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] <... mkdir resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 848] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 846] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] getdents64(3, [pid 848] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 846] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 848] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 851 [pid 296] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 848] <... bpf resumed>) = 0 [pid 846] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 848] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 846] <... bpf resumed>) = 7 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 851 attached [pid 848] <... bpf resumed>) = 8 [pid 846] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] newfstatat(AT_FDCWD, "./49/binderfs", [pid 851] set_robust_list(0x55555719e760, 24 [pid 848] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 846] <... bpf resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 851] <... set_robust_list resumed>) = 0 [pid 296] unlink("./49/binderfs" [pid 851] chdir("./49" [pid 848] <... bpf resumed>) = 9 [pid 846] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... unlink resumed>) = 0 [pid 851] <... chdir resumed>) = 0 [pid 296] getdents64(3, [pid 851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 851] <... prctl resumed>) = 0 [pid 296] close(3 [pid 851] setpgid(0, 0 [pid 848] exit_group(0 [pid 846] <... bpf resumed>) = 8 [pid 296] <... close resumed>) = 0 [pid 851] <... setpgid resumed>) = 0 [pid 296] rmdir("./49" [pid 851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 848] <... exit_group resumed>) = ? [pid 846] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 851] <... openat resumed>) = 3 [pid 848] +++ exited with 0 +++ [pid 846] <... bpf resumed>) = 9 [pid 296] <... rmdir resumed>) = 0 [pid 851] write(3, "1000", 4 [pid 846] exit_group(0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] mkdir("./50", 0777 [pid 851] <... write resumed>) = 4 [pid 846] <... exit_group resumed>) = ? [pid 851] close(3 [pid 296] <... mkdir resumed>) = 0 [pid 851] <... close resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 851] symlink("/dev/binderfs", "./binderfs") = 0 [pid 851] write(1, "executing program\n", 18executing program ) = 18 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 855 [pid 851] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 298] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 851] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 851] <... bpf resumed>) = 0 [pid 851] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 855 attached [pid 855] set_robust_list(0x55555719e760, 24 [pid 851] <... bpf resumed>) = 4 [pid 298] <... openat resumed>) = 3 [pid 851] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./49/binderfs" [pid 855] <... set_robust_list resumed>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./49") = 0 [pid 298] mkdir("./50", 0777 [pid 855] chdir("./50" [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 855] <... chdir resumed>) = 0 [pid 855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 856 [pid 855] <... prctl resumed>) = 0 [pid 855] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 856 attached [pid 855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 856] set_robust_list(0x55555719e760, 24) = 0 [pid 856] chdir("./50") = 0 [pid 856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 856] setpgid(0, 0 [pid 855] write(3, "1000", 4 [pid 856] <... setpgid resumed>) = 0 [pid 856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 856] write(3, "1000", 4 [pid 855] <... write resumed>) = 4 [pid 855] close(3) = 0 [pid 855] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 855] write(1, "executing program\n", 18) = 18 [pid 855] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 855] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 855] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 856] <... write resumed>) = 4 [pid 855] <... bpf resumed>) = 4 [pid 855] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 856] close(3) = 0 [pid 856] symlink("/dev/binderfs", "./binderfs") = 0 [pid 856] write(1, "executing program\n", 18executing program ) = 18 [pid 856] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 851] <... bpf resumed>) = 5 [pid 841] +++ exited with 0 +++ [pid 855] <... bpf resumed>) = 5 [pid 856] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 855] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 851] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=841, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 856] <... bpf resumed>) = 0 [pid 855] <... openat resumed>) = 6 [pid 851] <... openat resumed>) = 6 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 856] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 855] ioctl(6, PPPIOCNEWUNIT [pid 851] ioctl(6, PPPIOCNEWUNIT [pid 297] <... restart_syscall resumed>) = 0 [pid 856] <... bpf resumed>) = 4 [pid 855] <... ioctl resumed>, 0x20001400) = 0 [pid 851] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 856] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 851] bpf(BPF_PROG_LOAD, NULL, 0 [pid 856] <... bpf resumed>) = 5 [pid 851] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW [pid 856] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 851] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 856] <... openat resumed>) = 6 [pid 851] <... bpf resumed>) = 7 [pid 297] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 856] ioctl(6, PPPIOCNEWUNIT [pid 851] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] <... openat resumed>) = 3 [pid 856] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 855] bpf(BPF_PROG_LOAD, NULL, 0 [pid 851] <... bpf resumed>) = 0 [pid 297] newfstatat(3, "", [pid 856] bpf(BPF_PROG_LOAD, NULL, 0 [pid 851] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 856] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 855] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 851] <... bpf resumed>) = 8 [pid 846] +++ exited with 0 +++ [pid 297] getdents64(3, [pid 856] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 855] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 851] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=846, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 856] <... bpf resumed>) = 7 [pid 855] <... bpf resumed>) = 7 [pid 851] <... bpf resumed>) = 9 [pid 297] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 856] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 855] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 851] exit_group(0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... restart_syscall resumed>) = 0 [pid 856] <... bpf resumed>) = 0 [pid 855] <... bpf resumed>) = 0 [pid 851] <... exit_group resumed>) = ? [pid 297] newfstatat(AT_FDCWD, "./42/binderfs", [pid 856] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 855] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 851] +++ exited with 0 +++ [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 856] <... bpf resumed>) = 8 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=851, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] unlink("./42/binderfs" [pid 295] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 856] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 855] <... bpf resumed>) = 8 [pid 297] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 856] <... bpf resumed>) = 9 [pid 855] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] getdents64(3, [pid 295] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 856] exit_group(0 [pid 855] <... bpf resumed>) = 9 [pid 299] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... openat resumed>) = 3 [pid 856] <... exit_group resumed>) = ? [pid 855] exit_group(0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] close(3 [pid 295] newfstatat(3, "", [pid 856] +++ exited with 0 +++ [pid 855] <... exit_group resumed>) = ? [pid 299] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... openat resumed>) = 3 [pid 297] rmdir("./42" [pid 295] getdents64(3, [pid 299] newfstatat(3, "", [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... rmdir resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 297] mkdir("./43", 0777 [pid 295] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] getdents64(3, [pid 298] <... restart_syscall resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] newfstatat(AT_FDCWD, "./45/binderfs", [pid 299] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 860 [pid 295] unlink("./45/binderfs" [pid 299] newfstatat(AT_FDCWD, "./49/binderfs", [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] getdents64(3, [pid 299] unlink("./49/binderfs" [pid 298] <... openat resumed>) = 3 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... unlink resumed>) = 0 [pid 298] newfstatat(3, "", [pid 295] close(3 [pid 299] getdents64(3, [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... close resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] getdents64(3, [pid 295] rmdir("./45"./strace-static-x86_64: Process 860 attached [pid 299] close(3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... rmdir resumed>) = 0 [pid 860] set_robust_list(0x55555719e760, 24 [pid 299] <... close resumed>) = 0 [pid 298] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] mkdir("./46", 0777 [pid 860] <... set_robust_list resumed>) = 0 [pid 299] rmdir("./49" [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... mkdir resumed>) = 0 [pid 860] chdir("./43" [pid 299] <... rmdir resumed>) = 0 [pid 298] newfstatat(AT_FDCWD, "./50/binderfs", [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 860] <... chdir resumed>) = 0 [pid 299] mkdir("./50", 0777 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... mkdir resumed>) = 0 [pid 298] unlink("./50/binderfs" [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 863 [pid 860] <... prctl resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... unlink resumed>) = 0 [pid 860] setpgid(0, 0 [pid 298] getdents64(3, [pid 860] <... setpgid resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 864 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] close(3 [pid 860] <... openat resumed>) = 3 [pid 298] <... close resumed>) = 0 [pid 298] rmdir("./50") = 0 [pid 298] mkdir("./51", 0777) = 0 [pid 860] write(3, "1000", 4 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 860] <... write resumed>) = 4 [pid 860] close(3 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 865 [pid 860] <... close resumed>) = 0 [pid 860] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 864 attached [pid 864] set_robust_list(0x55555719e760, 24) = 0 [pid 864] chdir("./50" [pid 860] <... symlink resumed>) = 0 [pid 864] <... chdir resumed>) = 0 executing program [pid 860] write(1, "executing program\n", 18 [pid 864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 860] <... write resumed>) = 18 [pid 864] <... prctl resumed>) = 0 [pid 864] setpgid(0, 0 [pid 860] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 860] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 860] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 864] <... setpgid resumed>) = 0 [pid 864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 864] write(3, "1000", 4 [pid 860] <... bpf resumed>) = 4 [pid 864] <... write resumed>) = 4 [pid 860] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 864] close(3) = 0 [pid 860] <... bpf resumed>) = 5 [pid 864] symlink("/dev/binderfs", "./binderfs" executing program [pid 860] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 860] ioctl(6, PPPIOCNEWUNIT [pid 864] <... symlink resumed>) = 0 [pid 864] write(1, "executing program\n", 18) = 18 [pid 864] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 864] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 864] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 863 attached ) = 4 [pid 860] <... ioctl resumed>, 0x20001400) = 0 [pid 860] bpf(BPF_PROG_LOAD, NULL, 0 [pid 864] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 863] set_robust_list(0x55555719e760, 24 [pid 860] <... bpf resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 865 attached [pid 864] <... bpf resumed>) = 5 [pid 863] <... set_robust_list resumed>) = 0 [pid 860] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 865] set_robust_list(0x55555719e760, 24 [pid 864] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 860] <... bpf resumed>) = 7 [pid 865] <... set_robust_list resumed>) = 0 [pid 864] <... openat resumed>) = 6 [pid 860] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 863] chdir("./46" [pid 860] <... bpf resumed>) = 0 [pid 865] chdir("./51" [pid 864] ioctl(6, PPPIOCNEWUNIT [pid 863] <... chdir resumed>) = 0 [pid 860] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 865] <... chdir resumed>) = 0 [pid 864] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 864] bpf(BPF_PROG_LOAD, NULL, 0 [pid 865] <... prctl resumed>) = 0 [pid 864] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 865] setpgid(0, 0 [pid 864] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 863] <... prctl resumed>) = 0 [pid 860] <... bpf resumed>) = 8 [pid 865] <... setpgid resumed>) = 0 [pid 864] <... bpf resumed>) = 7 [pid 863] setpgid(0, 0 [pid 860] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 864] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 863] <... setpgid resumed>) = 0 [pid 860] <... bpf resumed>) = 9 [pid 865] <... openat resumed>) = 3 [pid 864] <... bpf resumed>) = 0 [pid 860] exit_group(0 [pid 863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 860] <... exit_group resumed>) = ? [pid 865] write(3, "1000", 4 [pid 864] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 865] <... write resumed>) = 4 [pid 864] <... bpf resumed>) = 8 [pid 865] close(3 [pid 864] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 865] <... close resumed>) = 0 [pid 864] <... bpf resumed>) = 9 [pid 865] symlink("/dev/binderfs", "./binderfs" [pid 864] exit_group(0 [pid 863] <... openat resumed>) = 3 [pid 865] <... symlink resumed>) = 0 executing program [pid 864] <... exit_group resumed>) = ? [pid 865] write(1, "executing program\n", 18 [pid 864] +++ exited with 0 +++ [pid 863] write(3, "1000", 4 [pid 865] <... write resumed>) = 18 [pid 863] <... write resumed>) = 4 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=864, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 865] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 863] close(3 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 865] <... bpf resumed>) = 3 [pid 863] <... close resumed>) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 865] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 865] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 865] <... bpf resumed>) = 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 865] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 865] <... bpf resumed>) = 5 [pid 299] <... openat resumed>) = 3 [pid 865] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] newfstatat(3, "", [pid 865] <... openat resumed>) = 6 [pid 863] symlink("/dev/binderfs", "./binderfs" [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 865] ioctl(6, PPPIOCNEWUNIT [pid 299] getdents64(3, [pid 863] <... symlink resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 executing program [pid 865] <... ioctl resumed>, 0x20001400) = 0 [pid 863] write(1, "executing program\n", 18 [pid 299] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 865] bpf(BPF_PROG_LOAD, NULL, 0 [pid 863] <... write resumed>) = 18 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 865] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 863] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] newfstatat(AT_FDCWD, "./50/binderfs", [pid 865] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 863] <... bpf resumed>) = 3 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 865] <... bpf resumed>) = 7 [pid 863] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] unlink("./50/binderfs" [pid 865] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 863] <... bpf resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 865] <... bpf resumed>) = 0 [pid 299] getdents64(3, [pid 865] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 865] <... bpf resumed>) = 8 [pid 863] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 855] +++ exited with 0 +++ [pid 299] close(3 [pid 865] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... close resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 865] <... bpf resumed>) = 9 [pid 863] <... bpf resumed>) = 4 [pid 299] rmdir("./50" [pid 865] exit_group(0 [pid 863] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] <... rmdir resumed>) = 0 [pid 865] <... exit_group resumed>) = ? [pid 863] <... bpf resumed>) = 5 [pid 299] mkdir("./51", 0777 [pid 863] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] <... mkdir resumed>) = 0 [pid 863] <... openat resumed>) = 6 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 863] ioctl(6, PPPIOCNEWUNIT [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 868 [pid 296] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./50/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./50" [pid 863] <... ioctl resumed>, 0x20001400) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 863] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] mkdir("./51", 0777 [pid 863] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 863] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 871 [pid 863] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 863] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 868 attached ) = 8 [pid 863] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 863] exit_group(0) = ? [pid 868] set_robust_list(0x55555719e760, 24) = 0 [pid 868] chdir("./51") = 0 [pid 868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 868] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 871 attached [pid 868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 871] set_robust_list(0x55555719e760, 24 [pid 868] <... openat resumed>) = 3 [pid 868] write(3, "1000", 4) = 4 [pid 868] close(3 [pid 871] <... set_robust_list resumed>) = 0 [pid 868] <... close resumed>) = 0 [pid 868] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 868] write(1, "executing program\n", 18 [pid 871] chdir("./51" [pid 868] <... write resumed>) = 18 [pid 868] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 871] <... chdir resumed>) = 0 [pid 868] <... bpf resumed>) = 3 [pid 871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 868] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 868] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 871] <... prctl resumed>) = 0 [pid 868] <... bpf resumed>) = 4 [pid 868] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 868] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 871] setpgid(0, 0 [pid 868] <... openat resumed>) = 6 [pid 868] ioctl(6, PPPIOCNEWUNIT [pid 871] <... setpgid resumed>) = 0 [pid 871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 868] <... ioctl resumed>, 0x20001400) = 0 [pid 871] <... openat resumed>) = 3 [pid 868] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 868] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 871] write(3, "1000", 4 [pid 868] <... bpf resumed>) = 7 [pid 868] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 868] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 871] <... write resumed>) = 4 [pid 868] <... bpf resumed>) = 8 [pid 871] close(3) = 0 [pid 868] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 868] exit_group(0) = ? [pid 871] symlink("/dev/binderfs", "./binderfs") = 0 [pid 871] write(1, "executing program\n", 18executing program ) = 18 [pid 871] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 871] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 871] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 871] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 860] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=860, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 871] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", [pid 871] <... openat resumed>) = 6 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 871] ioctl(6, PPPIOCNEWUNIT [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./43/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./43") = 0 [pid 297] mkdir("./44", 0777 [pid 871] <... ioctl resumed>, 0x20001400) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 871] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 873 [pid 871] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 871] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 871] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 871] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 871] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 871] exit_group(0) = ? ./strace-static-x86_64: Process 873 attached [pid 873] set_robust_list(0x55555719e760, 24) = 0 [pid 873] chdir("./44") = 0 [pid 873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 873] setpgid(0, 0) = 0 [pid 873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 873] write(3, "1000", 4) = 4 [pid 873] close(3) = 0 [pid 873] symlink("/dev/binderfs", "./binderfs") = 0 [pid 873] write(1, "executing program\n", 18executing program ) = 18 [pid 873] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 873] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 873] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 873] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 873] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 873] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 865] +++ exited with 0 +++ [pid 863] +++ exited with 0 +++ [pid 873] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 873] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 873] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 873] <... bpf resumed>) = 7 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 873] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 873] <... bpf resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 295] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 873] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] newfstatat(3, "", [pid 873] <... bpf resumed>) = 8 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... openat resumed>) = 3 [pid 873] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] getdents64(3, [pid 295] newfstatat(3, "", [pid 873] <... bpf resumed>) = 9 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 873] exit_group(0 [pid 298] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 873] <... exit_group resumed>) = ? [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./51/binderfs", [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./51/binderfs" [pid 295] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] newfstatat(AT_FDCWD, "./46/binderfs", [pid 298] close(3 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./46/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./46") = 0 [pid 295] mkdir("./47", 0777 [pid 298] <... close resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 298] rmdir("./51" [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 878 attached [pid 298] <... rmdir resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 878 [pid 878] set_robust_list(0x55555719e760, 24 [pid 298] mkdir("./52", 0777 [pid 878] <... set_robust_list resumed>) = 0 [pid 878] chdir("./47") = 0 [pid 878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 878] setpgid(0, 0 [pid 298] <... mkdir resumed>) = 0 [pid 878] <... setpgid resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 879 [pid 878] write(3, "1000", 4) = 4 [pid 878] close(3) = 0 [pid 878] symlink("/dev/binderfs", "./binderfs") = 0 [pid 878] write(1, "executing program\n", 18executing program ) = 18 [pid 878] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 868] +++ exited with 0 +++ [pid 878] <... bpf resumed>) = 3 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 878] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 299] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 878] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 878] <... bpf resumed>) = 4 [pid 299] <... openat resumed>) = 3 [pid 878] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, ./strace-static-x86_64: Process 879 attached 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 879] set_robust_list(0x55555719e760, 24 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./51/binderfs" [pid 879] <... set_robust_list resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 879] chdir("./52" [pid 299] getdents64(3, [pid 879] <... chdir resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] close(3 [pid 879] <... prctl resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./51" [pid 879] setpgid(0, 0 [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./52", 0777 [pid 879] <... setpgid resumed>) = 0 [pid 879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 879] <... openat resumed>) = 3 [pid 879] write(3, "1000", 4 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 880 [pid 879] <... write resumed>) = 4 [pid 879] close(3) = 0 ./strace-static-x86_64: Process 880 attached [pid 879] symlink("/dev/binderfs", "./binderfs" [pid 880] set_robust_list(0x55555719e760, 24 [pid 879] <... symlink resumed>) = 0 [pid 879] write(1, "executing program\n", 18executing program [pid 880] <... set_robust_list resumed>) = 0 [pid 880] chdir("./52" [pid 879] <... write resumed>) = 18 [pid 879] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 880] <... chdir resumed>) = 0 [pid 880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 880] setpgid(0, 0) = 0 [pid 880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 879] <... bpf resumed>) = 3 [pid 880] <... openat resumed>) = 3 [pid 879] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 880] write(3, "1000", 4) = 4 [pid 880] close(3) = 0 [pid 880] symlink("/dev/binderfs", "./binderfs") = 0 [pid 879] <... bpf resumed>) = 0 executing program [pid 879] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 880] write(1, "executing program\n", 18) = 18 [pid 880] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 880] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 879] <... bpf resumed>) = 4 [pid 880] <... bpf resumed>) = 0 [pid 880] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 879] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 880] <... bpf resumed>) = 4 [pid 880] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 879] <... bpf resumed>) = 5 [pid 878] <... bpf resumed>) = 5 [pid 871] +++ exited with 0 +++ [pid 880] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 879] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 878] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 880] <... openat resumed>) = 6 [pid 879] <... openat resumed>) = 6 [pid 878] <... openat resumed>) = 6 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=871, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 880] ioctl(6, PPPIOCNEWUNIT [pid 878] ioctl(6, PPPIOCNEWUNIT [pid 879] ioctl(6, PPPIOCNEWUNIT [pid 880] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 878] <... ioctl resumed>, 0x20001400) = 0 [pid 880] bpf(BPF_PROG_LOAD, NULL, 0 [pid 878] bpf(BPF_PROG_LOAD, NULL, 0 [pid 880] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 878] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 880] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 878] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 880] <... bpf resumed>) = 7 [pid 879] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 878] <... bpf resumed>) = 7 [pid 296] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 880] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 879] bpf(BPF_PROG_LOAD, NULL, 0 [pid 878] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 880] <... bpf resumed>) = 0 [pid 879] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 878] <... bpf resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 880] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 878] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 880] <... bpf resumed>) = 8 [pid 879] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 878] <... bpf resumed>) = 8 [pid 296] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 880] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 878] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 880] <... bpf resumed>) = 9 [pid 879] <... bpf resumed>) = 7 [pid 878] <... bpf resumed>) = 9 [pid 296] <... openat resumed>) = 3 [pid 880] exit_group(0 [pid 879] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 878] exit_group(0 [pid 296] newfstatat(3, "", [pid 880] <... exit_group resumed>) = ? [pid 879] <... bpf resumed>) = 0 [pid 878] <... exit_group resumed>) = ? [pid 880] +++ exited with 0 +++ [pid 879] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 873] +++ exited with 0 +++ [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=873, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 879] <... bpf resumed>) = 8 [pid 299] <... restart_syscall resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 879] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] unlink("./51/binderfs" [pid 879] <... bpf resumed>) = 9 [pid 299] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 879] exit_group(0) = ? [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] getdents64(3, [pid 299] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... openat resumed>) = 3 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 296] close(3 [pid 299] newfstatat(3, "", [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... close resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 296] rmdir("./51" [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... rmdir resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] mkdir("./52", 0777 [pid 299] newfstatat(AT_FDCWD, "./52/binderfs", [pid 297] newfstatat(AT_FDCWD, "./44/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 299] unlink("./52/binderfs" [pid 297] unlink("./44/binderfs" [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 297] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 882 attached [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] getdents64(3, [pid 299] close(3 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 882 [pid 299] <... close resumed>) = 0 [pid 297] close(3 [pid 882] set_robust_list(0x55555719e760, 24 [pid 299] rmdir("./52" [pid 297] <... close resumed>) = 0 [pid 882] <... set_robust_list resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 297] rmdir("./44" [pid 299] mkdir("./53", 0777 [pid 297] <... rmdir resumed>) = 0 [pid 882] chdir("./52" [pid 299] <... mkdir resumed>) = 0 [pid 297] mkdir("./45", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 882] <... chdir resumed>) = 0 [pid 882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 884 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 885 ./strace-static-x86_64: Process 885 attached [pid 882] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 884 attached [pid 885] set_robust_list(0x55555719e760, 24 [pid 882] setpgid(0, 0) = 0 [pid 885] <... set_robust_list resumed>) = 0 [pid 882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 885] chdir("./45" [pid 884] set_robust_list(0x55555719e760, 24 [pid 885] <... chdir resumed>) = 0 [pid 884] <... set_robust_list resumed>) = 0 [pid 882] <... openat resumed>) = 3 [pid 882] write(3, "1000", 4 [pid 885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 882] <... write resumed>) = 4 [pid 885] <... prctl resumed>) = 0 [pid 884] chdir("./53" [pid 882] close(3executing program [pid 885] setpgid(0, 0 [pid 884] <... chdir resumed>) = 0 [pid 882] <... close resumed>) = 0 [pid 882] symlink("/dev/binderfs", "./binderfs" [pid 885] <... setpgid resumed>) = 0 [pid 884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 882] <... symlink resumed>) = 0 [pid 882] write(1, "executing program\n", 18) = 18 [pid 885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 882] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 884] <... prctl resumed>) = 0 [pid 882] <... bpf resumed>) = 3 [pid 885] <... openat resumed>) = 3 [pid 882] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 885] write(3, "1000", 4 [pid 884] setpgid(0, 0 [pid 882] <... bpf resumed>) = 0 [pid 879] +++ exited with 0 +++ [pid 885] <... write resumed>) = 4 [pid 882] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=879, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 884] <... setpgid resumed>) = 0 [pid 885] close(3 [pid 882] <... bpf resumed>) = 4 [pid 882] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 885] <... close resumed>) = 0 [pid 882] <... bpf resumed>) = 5 [pid 885] symlink("/dev/binderfs", "./binderfs" [pid 882] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 882] <... openat resumed>) = 6 [pid 298] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 882] ioctl(6, PPPIOCNEWUNIT [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 882] <... ioctl resumed>, 0x20001400) = 0 [pid 885] <... symlink resumed>) = 0 [pid 884] <... openat resumed>) = 3 [pid 882] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 executing program [pid 298] newfstatat(3, "", [pid 882] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 882] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 885] write(1, "executing program\n", 18 [pid 884] write(3, "1000", 4 [pid 882] <... bpf resumed>) = 7 [pid 885] <... write resumed>) = 18 [pid 882] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] getdents64(3, [pid 884] <... write resumed>) = 4 [pid 885] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 884] close(3 [pid 882] <... bpf resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 885] <... bpf resumed>) = 3 [pid 884] <... close resumed>) = 0 [pid 882] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 885] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 884] symlink("/dev/binderfs", "./binderfs" [pid 882] <... bpf resumed>) = 8 [pid 885] <... bpf resumed>) = 0 [pid 882] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 885] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 884] <... symlink resumed>) = 0 [pid 882] <... bpf resumed>) = 9 [pid 298] newfstatat(AT_FDCWD, "./52/binderfs", [pid 882] exit_group(0 [pid 885] <... bpf resumed>) = 4 [pid 882] <... exit_group resumed>) = ? [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 884] write(1, "executing program\n", 18 [pid 885] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] unlink("./52/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 executing program [pid 885] <... bpf resumed>) = 5 [pid 884] <... write resumed>) = 18 [pid 298] rmdir("./52" [pid 885] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] <... rmdir resumed>) = 0 [pid 885] <... openat resumed>) = 6 [pid 884] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] mkdir("./53", 0777 [pid 885] ioctl(6, PPPIOCNEWUNIT [pid 884] <... bpf resumed>) = 3 [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 886 attached [pid 885] <... ioctl resumed>, 0x20001400) = 0 [pid 884] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 886 [pid 886] set_robust_list(0x55555719e760, 24 [pid 885] bpf(BPF_PROG_LOAD, NULL, 0 [pid 884] <... bpf resumed>) = 0 [pid 886] <... set_robust_list resumed>) = 0 [pid 885] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 884] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 886] chdir("./53" [pid 885] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 884] <... bpf resumed>) = 4 [pid 886] <... chdir resumed>) = 0 [pid 885] <... bpf resumed>) = 7 [pid 884] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 885] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 886] <... prctl resumed>) = 0 [pid 884] <... bpf resumed>) = 5 [pid 885] <... bpf resumed>) = 0 [pid 886] setpgid(0, 0 [pid 885] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 884] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 886] <... setpgid resumed>) = 0 [pid 885] <... bpf resumed>) = 8 [pid 884] <... openat resumed>) = 6 [pid 886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 885] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 884] ioctl(6, PPPIOCNEWUNIT [pid 886] <... openat resumed>) = 3 [pid 885] <... bpf resumed>) = 9 [pid 886] write(3, "1000", 4 [pid 884] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 886] <... write resumed>) = 4 [pid 885] exit_group(0 [pid 884] bpf(BPF_PROG_LOAD, NULL, 0 [pid 886] close(3 [pid 885] <... exit_group resumed>) = ? [pid 884] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 886] <... close resumed>) = 0 [pid 886] symlink("/dev/binderfs", "./binderfs" [pid 884] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 886] <... symlink resumed>) = 0 [pid 884] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 886] write(1, "executing program\n", 18executing program [pid 884] <... bpf resumed>) = 0 [pid 886] <... write resumed>) = 18 [pid 884] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 886] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 884] <... bpf resumed>) = 8 [pid 886] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 884] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 886] <... bpf resumed>) = 0 [pid 884] <... bpf resumed>) = 9 [pid 886] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 884] exit_group(0 [pid 886] <... bpf resumed>) = 4 [pid 884] <... exit_group resumed>) = ? [pid 886] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 884] +++ exited with 0 +++ [pid 886] <... bpf resumed>) = 5 [pid 878] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 886] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 886] <... openat resumed>) = 6 [pid 299] <... restart_syscall resumed>) = 0 [pid 886] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 886] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 886] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 886] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 886] <... bpf resumed>) = 7 [pid 299] <... openat resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 886] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] newfstatat(3, "", [pid 295] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 886] <... bpf resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... openat resumed>) = 3 [pid 886] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] getdents64(3, [pid 295] newfstatat(3, "", [pid 886] <... bpf resumed>) = 8 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 886] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 886] <... bpf resumed>) = 9 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 886] exit_group(0 [pid 299] newfstatat(AT_FDCWD, "./53/binderfs", [pid 295] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 886] <... exit_group resumed>) = ? [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./53/binderfs" [pid 295] newfstatat(AT_FDCWD, "./47/binderfs", [pid 299] <... unlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] getdents64(3, [pid 295] unlink("./47/binderfs" [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... unlink resumed>) = 0 [pid 299] close(3 [pid 295] getdents64(3, [pid 299] <... close resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] rmdir("./53" [pid 295] close(3 [pid 299] <... rmdir resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 299] mkdir("./54", 0777 [pid 295] rmdir("./47" [pid 299] <... mkdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] mkdir("./48", 0777) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 890 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 891 ./strace-static-x86_64: Process 890 attached [pid 890] set_robust_list(0x55555719e760, 24) = 0 [pid 890] chdir("./54") = 0 [pid 890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 890] setpgid(0, 0) = 0 [pid 890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 890] write(3, "1000", 4) = 4 [pid 890] close(3) = 0 [pid 890] symlink("/dev/binderfs", "./binderfs") = 0 [pid 890] write(1, "executing program\n", 18executing program ) = 18 [pid 890] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 890] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 890] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 890] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 890] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 890] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 891 attached [pid 891] set_robust_list(0x55555719e760, 24) = 0 [pid 891] chdir("./48") = 0 [pid 890] <... ioctl resumed>, 0x20001400) = 0 [pid 891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 890] bpf(BPF_PROG_LOAD, NULL, 0 [pid 891] <... prctl resumed>) = 0 [pid 890] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 891] setpgid(0, 0) = 0 [pid 891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 891] write(3, "1000", 4) = 4 [pid 891] close(3) = 0 [pid 891] symlink("/dev/binderfs", "./binderfs") = 0 [pid 891] write(1, "executing program\n", 18executing program [pid 890] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 891] <... write resumed>) = 18 [pid 891] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 890] <... bpf resumed>) = 7 [pid 891] <... bpf resumed>) = 3 [pid 890] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 891] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 890] <... bpf resumed>) = 0 [pid 891] <... bpf resumed>) = 0 [pid 890] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 891] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 890] <... bpf resumed>) = 8 [pid 891] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 890] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 891] <... bpf resumed>) = 5 [pid 890] <... bpf resumed>) = 9 [pid 891] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 890] exit_group(0 [pid 891] <... openat resumed>) = 6 [pid 890] <... exit_group resumed>) = ? [pid 891] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 891] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 891] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 891] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 891] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 891] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 891] exit_group(0) = ? [pid 882] +++ exited with 0 +++ [pid 885] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=885, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... openat resumed>) = 3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(3, "", [pid 297] newfstatat(AT_FDCWD, "./45/binderfs", [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./45/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 296] getdents64(3, [pid 297] rmdir("./45") = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] mkdir("./46", 0777 [pid 296] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./52/binderfs", [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 899 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./52/binderfs"./strace-static-x86_64: Process 899 attached ) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./52" [pid 899] set_robust_list(0x55555719e760, 24 [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./53", 0777 [pid 899] <... set_robust_list resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 899] chdir("./46" [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 900 [pid 899] <... chdir resumed>) = 0 [pid 899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 899] setpgid(0, 0) = 0 [pid 899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 899] write(3, "1000", 4) = 4 [pid 899] close(3./strace-static-x86_64: Process 900 attached [pid 900] set_robust_list(0x55555719e760, 24 [pid 899] <... close resumed>) = 0 [pid 899] symlink("/dev/binderfs", "./binderfs" [pid 900] <... set_robust_list resumed>) = 0 [pid 899] <... symlink resumed>) = 0 [pid 900] chdir("./53" [pid 899] write(1, "executing program\n", 18 [pid 900] <... chdir resumed>) = 0 [pid 900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 900] setpgid(0, 0) = 0 executing program [pid 900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 899] <... write resumed>) = 18 [pid 900] <... openat resumed>) = 3 [pid 899] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 900] write(3, "1000", 4 [pid 899] <... bpf resumed>) = 3 [pid 900] <... write resumed>) = 4 [pid 899] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 900] close(3 [pid 899] <... bpf resumed>) = 0 [pid 900] <... close resumed>) = 0 [pid 900] symlink("/dev/binderfs", "./binderfs" [pid 899] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 900] <... symlink resumed>) = 0 [pid 900] write(1, "executing program\n", 18executing program [pid 899] <... bpf resumed>) = 4 [pid 900] <... write resumed>) = 18 [pid 899] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 900] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 899] <... bpf resumed>) = 5 [pid 900] <... bpf resumed>) = 3 [pid 899] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 900] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 899] <... openat resumed>) = 6 [pid 900] <... bpf resumed>) = 0 [pid 899] ioctl(6, PPPIOCNEWUNIT [pid 900] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 899] <... ioctl resumed>, 0x20001400) = 0 [pid 900] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 899] bpf(BPF_PROG_LOAD, NULL, 0 [pid 900] <... bpf resumed>) = 5 [pid 899] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 900] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 899] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 900] <... openat resumed>) = 6 [pid 899] <... bpf resumed>) = 7 [pid 900] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 899] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 900] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 900] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 899] <... bpf resumed>) = 0 [pid 900] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 899] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 900] <... bpf resumed>) = 0 [pid 899] <... bpf resumed>) = 8 [pid 900] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 899] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 899] exit_group(0 [pid 900] <... bpf resumed>) = 8 [pid 899] <... exit_group resumed>) = ? [pid 900] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 900] exit_group(0) = ? [pid 900] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./53/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./53") = 0 [pid 296] mkdir("./54", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 903 attached [pid 903] set_robust_list(0x55555719e760, 24) = 0 [pid 903] chdir("./54") = 0 [pid 903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 903] setpgid(0, 0) = 0 [pid 903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 903] write(3, "1000", 4) = 4 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 903 [pid 903] close(3) = 0 [pid 903] symlink("/dev/binderfs", "./binderfs") = 0 [pid 903] write(1, "executing program\n", 18executing program ) = 18 [pid 903] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 903] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 903] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 890] +++ exited with 0 +++ [pid 903] <... bpf resumed>) = 4 [pid 903] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 903] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 886] +++ exited with 0 +++ [pid 903] <... openat resumed>) = 6 [pid 903] ioctl(6, PPPIOCNEWUNIT [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=886, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 903] <... ioctl resumed>, 0x20001400) = 0 [pid 299] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 298] <... openat resumed>) = 3 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] newfstatat(3, "", [pid 299] getdents64(3, [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] getdents64(3, [pid 299] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] newfstatat(AT_FDCWD, "./54/binderfs", [pid 298] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./54/binderfs" [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... unlink resumed>) = 0 [pid 298] newfstatat(AT_FDCWD, "./53/binderfs", [pid 299] getdents64(3, [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] unlink("./53/binderfs" [pid 299] close(3) = 0 [pid 298] <... unlink resumed>) = 0 [pid 299] rmdir("./54" [pid 298] getdents64(3, [pid 903] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] <... rmdir resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] mkdir("./55", 0777 [pid 298] close(3 [pid 903] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] <... mkdir resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 903] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] rmdir("./53" [pid 903] <... bpf resumed>) = 7 [pid 903] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 903] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 906 [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./54", 0777 [pid 903] <... bpf resumed>) = 8 [pid 298] <... mkdir resumed>) = 0 [pid 903] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 903] <... bpf resumed>) = 9 [pid 903] exit_group(0) = ? [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 907 ./strace-static-x86_64: Process 906 attached [pid 906] set_robust_list(0x55555719e760, 24) = 0 ./strace-static-x86_64: Process 907 attached [pid 907] set_robust_list(0x55555719e760, 24) = 0 [pid 907] chdir("./54") = 0 [pid 907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 907] setpgid(0, 0) = 0 [pid 907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 906] chdir("./55" [pid 907] <... openat resumed>) = 3 [pid 907] write(3, "1000", 4) = 4 [pid 907] close(3) = 0 [pid 907] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 907] write(1, "executing program\n", 18) = 18 [pid 907] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 907] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 907] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 906] <... chdir resumed>) = 0 [pid 907] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 907] <... bpf resumed>) = 5 [pid 906] <... prctl resumed>) = 0 [pid 907] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 906] setpgid(0, 0 [pid 907] <... openat resumed>) = 6 [pid 906] <... setpgid resumed>) = 0 [pid 907] ioctl(6, PPPIOCNEWUNIT [pid 906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 906] write(3, "1000", 4) = 4 [pid 906] close(3 [pid 907] <... ioctl resumed>, 0x20001400) = 0 [pid 906] <... close resumed>) = 0 [pid 907] bpf(BPF_PROG_LOAD, NULL, 0 [pid 906] symlink("/dev/binderfs", "./binderfs" [pid 907] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 906] <... symlink resumed>) = 0 [pid 907] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 906] write(1, "executing program\n", 18executing program [pid 907] <... bpf resumed>) = 7 [pid 906] <... write resumed>) = 18 [pid 907] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 906] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 907] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 906] <... bpf resumed>) = 3 [pid 906] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 907] <... bpf resumed>) = 8 [pid 906] <... bpf resumed>) = 0 [pid 899] +++ exited with 0 +++ [pid 891] +++ exited with 0 +++ [pid 907] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 906] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=899, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=891, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 907] <... bpf resumed>) = 9 [pid 906] <... bpf resumed>) = 4 [pid 906] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 906] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 907] exit_group(0 [pid 906] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 906] bpf(BPF_PROG_LOAD, NULL, 0 [pid 907] <... exit_group resumed>) = ? [pid 906] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 906] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 906] <... bpf resumed>) = 7 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 906] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 906] <... bpf resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 906] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] newfstatat(3, "", [pid 906] <... bpf resumed>) = 8 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 906] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] getdents64(3, [pid 906] <... bpf resumed>) = 9 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... openat resumed>) = 3 [pid 906] exit_group(0 [pid 297] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] newfstatat(3, "", [pid 906] <... exit_group resumed>) = ? [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 906] +++ exited with 0 +++ [pid 297] newfstatat(AT_FDCWD, "./46/binderfs", [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=906, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] unlink("./46/binderfs" [pid 295] getdents64(3, [pid 299] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... unlink resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... openat resumed>) = 3 [pid 297] close(3 [pid 295] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] newfstatat(3, "", [pid 297] <... close resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] rmdir("./46" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] getdents64(3, [pid 297] <... rmdir resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./48/binderfs", [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] mkdir("./47", 0777 [pid 299] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... mkdir resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] unlink("./48/binderfs" [pid 299] newfstatat(AT_FDCWD, "./55/binderfs", [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 913 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... unlink resumed>) = 0 [pid 299] unlink("./55/binderfs" [pid 295] getdents64(3, [pid 299] <... unlink resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] getdents64(3, [pid 295] close(3 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 295] <... close resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 295] rmdir("./48" [pid 299] rmdir("./55"./strace-static-x86_64: Process 913 attached [pid 295] <... rmdir resumed>) = 0 [pid 913] set_robust_list(0x55555719e760, 24 [pid 299] <... rmdir resumed>) = 0 [pid 295] mkdir("./49", 0777 [pid 299] mkdir("./56", 0777 [pid 913] <... set_robust_list resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 913] chdir("./47" [pid 299] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 913] <... chdir resumed>) = 0 [pid 913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 915 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 914 [pid 913] <... prctl resumed>) = 0 [pid 913] setpgid(0, 0) = 0 [pid 913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 913] write(3, "1000", 4) = 4 [pid 913] close(3) = 0 [pid 913] symlink("/dev/binderfs", "./binderfs") = 0 [pid 913] write(1, "executing program\n", 18executing program ) = 18 [pid 913] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 913] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 913] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 915 attached [pid 915] set_robust_list(0x55555719e760, 24 [pid 913] <... bpf resumed>) = 4 [pid 913] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 915] <... set_robust_list resumed>) = 0 [pid 915] chdir("./56") = 0 [pid 915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 913] <... bpf resumed>) = 5 [pid 915] setpgid(0, 0 [pid 913] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 913] ioctl(6, PPPIOCNEWUNIT [pid 915] <... setpgid resumed>) = 0 [pid 915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 915] write(3, "1000", 4) = 4 [pid 915] close(3./strace-static-x86_64: Process 914 attached ) = 0 [pid 915] symlink("/dev/binderfs", "./binderfs" [pid 914] set_robust_list(0x55555719e760, 24 [pid 915] <... symlink resumed>) = 0 executing program [pid 915] write(1, "executing program\n", 18 [pid 914] <... set_robust_list resumed>) = 0 [pid 915] <... write resumed>) = 18 [pid 914] chdir("./49" [pid 915] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 914] <... chdir resumed>) = 0 [pid 915] <... bpf resumed>) = 3 [pid 914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 915] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 914] <... prctl resumed>) = 0 [pid 915] <... bpf resumed>) = 0 [pid 915] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 914] setpgid(0, 0) = 0 [pid 914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 915] <... bpf resumed>) = 4 [pid 914] <... openat resumed>) = 3 [pid 915] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 914] write(3, "1000", 4 [pid 915] <... bpf resumed>) = 5 [pid 914] <... write resumed>) = 4 [pid 915] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 914] close(3 [pid 915] <... openat resumed>) = 6 [pid 915] ioctl(6, PPPIOCNEWUNIT [pid 914] <... close resumed>) = 0 [pid 914] symlink("/dev/binderfs", "./binderfs") = 0 [pid 914] write(1, "executing program\n", 18executing program ) = 18 [pid 914] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 914] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 914] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 913] <... ioctl resumed>, 0x20001400) = 0 [pid 903] +++ exited with 0 +++ [pid 915] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 914] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 913] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 915] bpf(BPF_PROG_LOAD, NULL, 0 [pid 914] <... bpf resumed>) = 5 [pid 913] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 915] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 914] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 913] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 915] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 914] <... openat resumed>) = 6 [pid 913] <... bpf resumed>) = 7 [pid 915] <... bpf resumed>) = 7 [pid 914] ioctl(6, PPPIOCNEWUNIT [pid 913] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 915] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 914] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 913] <... bpf resumed>) = 0 [pid 914] bpf(BPF_PROG_LOAD, NULL, 0 [pid 913] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 915] <... bpf resumed>) = 0 [pid 914] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 913] <... bpf resumed>) = 8 [pid 915] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 914] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 913] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 915] <... bpf resumed>) = 8 [pid 914] <... bpf resumed>) = 7 [pid 913] <... bpf resumed>) = 9 [pid 915] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 914] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 913] exit_group(0 [pid 296] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 915] <... bpf resumed>) = 9 [pid 914] <... bpf resumed>) = 0 [pid 913] <... exit_group resumed>) = ? [pid 915] exit_group(0 [pid 914] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 915] <... exit_group resumed>) = ? [pid 296] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 915] +++ exited with 0 +++ [pid 914] <... bpf resumed>) = 8 [pid 296] <... openat resumed>) = 3 [pid 914] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=915, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] newfstatat(3, "", [pid 914] <... bpf resumed>) = 9 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 914] exit_group(0 [pid 296] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 914] <... exit_group resumed>) = ? [pid 296] unlink("./54/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./54") = 0 [pid 296] mkdir("./55", 0777 [pid 914] +++ exited with 0 +++ [pid 296] <... mkdir resumed>) = 0 [pid 299] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 921 [pid 299] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./56/binderfs") = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 295] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] rmdir("./56" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... rmdir resumed>) = 0 [pid 295] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] mkdir("./57", 0777 [pid 295] <... openat resumed>) = 3 [pid 299] <... mkdir resumed>) = 0 [pid 295] newfstatat(3, "", [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 922 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./49/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./49") = 0 [pid 295] mkdir("./50", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 923 ./strace-static-x86_64: Process 923 attached ./strace-static-x86_64: Process 922 attached ./strace-static-x86_64: Process 921 attached [pid 921] set_robust_list(0x55555719e760, 24 [pid 922] set_robust_list(0x55555719e760, 24) = 0 [pid 921] <... set_robust_list resumed>) = 0 [pid 922] chdir("./57") = 0 [pid 921] chdir("./55") = 0 [pid 921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 921] setpgid(0, 0) = 0 [pid 921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 922] setpgid(0, 0) = 0 [pid 921] <... openat resumed>) = 3 [pid 922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 921] write(3, "1000", 4 [pid 922] <... openat resumed>) = 3 [pid 922] write(3, "1000", 4) = 4 [pid 922] close(3) = 0 [pid 922] symlink("/dev/binderfs", "./binderfs" [pid 921] <... write resumed>) = 4 [pid 922] <... symlink resumed>) = 0 executing program [pid 922] write(1, "executing program\n", 18 [pid 921] close(3 [pid 922] <... write resumed>) = 18 [pid 921] <... close resumed>) = 0 [pid 922] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 921] symlink("/dev/binderfs", "./binderfs" [pid 922] <... bpf resumed>) = 3 [pid 921] <... symlink resumed>) = 0 [pid 922] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 922] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 923] set_robust_list(0x55555719e760, 24 [pid 921] write(1, "executing program\n", 18executing program [pid 923] <... set_robust_list resumed>) = 0 [pid 922] <... bpf resumed>) = 4 [pid 923] chdir("./50" [pid 922] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 921] <... write resumed>) = 18 [pid 923] <... chdir resumed>) = 0 [pid 921] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 921] <... bpf resumed>) = 3 [pid 923] <... prctl resumed>) = 0 [pid 921] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 923] setpgid(0, 0 [pid 921] <... bpf resumed>) = 0 [pid 923] <... setpgid resumed>) = 0 [pid 921] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 922] <... bpf resumed>) = 5 [pid 921] <... bpf resumed>) = 4 [pid 907] +++ exited with 0 +++ [pid 923] <... openat resumed>) = 3 [pid 922] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 921] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=907, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 923] write(3, "1000", 4 [pid 922] <... openat resumed>) = 6 [pid 921] <... bpf resumed>) = 5 [pid 923] <... write resumed>) = 4 [pid 922] ioctl(6, PPPIOCNEWUNIT [pid 921] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 923] close(3 [pid 921] <... openat resumed>) = 6 [pid 923] <... close resumed>) = 0 [pid 921] ioctl(6, PPPIOCNEWUNIT [pid 923] symlink("/dev/binderfs", "./binderfs" [pid 922] <... ioctl resumed>, 0x20001400) = 0 [pid 921] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 298] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 923] <... symlink resumed>) = 0 [pid 922] bpf(BPF_PROG_LOAD, NULL, 0 [pid 921] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 923] write(1, "executing program\n", 18 [pid 922] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 921] <... bpf resumed>) = -1 EFAULT (Bad address) executing program [pid 298] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 923] <... write resumed>) = 18 [pid 922] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 921] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... openat resumed>) = 3 [pid 923] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 922] <... bpf resumed>) = 7 [pid 921] <... bpf resumed>) = 7 [pid 298] newfstatat(3, "", [pid 923] <... bpf resumed>) = 3 [pid 922] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 921] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 923] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 922] <... bpf resumed>) = 0 [pid 921] <... bpf resumed>) = 0 [pid 923] <... bpf resumed>) = 0 [pid 922] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 921] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] getdents64(3, [pid 923] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 922] <... bpf resumed>) = 8 [pid 921] <... bpf resumed>) = 8 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 923] <... bpf resumed>) = 4 [pid 921] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 923] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 921] <... bpf resumed>) = 9 [pid 923] <... bpf resumed>) = 5 [pid 921] exit_group(0 [pid 923] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 922] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 921] <... exit_group resumed>) = ? [pid 298] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 923] <... openat resumed>) = 6 [pid 922] <... bpf resumed>) = 9 [pid 921] +++ exited with 0 +++ [pid 923] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 923] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 922] exit_group(0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 923] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 923] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 922] <... exit_group resumed>) = ? [pid 298] newfstatat(AT_FDCWD, "./54/binderfs", [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=921, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 923] <... bpf resumed>) = 0 [pid 923] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 923] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] unlink("./54/binderfs" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 923] <... bpf resumed>) = 9 [pid 923] exit_group(0) = ? [pid 923] +++ exited with 0 +++ [pid 298] <... unlink resumed>) = 0 [pid 296] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=923, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] getdents64(3, [pid 296] <... openat resumed>) = 3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] newfstatat(3, "", [pid 298] close(3 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... close resumed>) = 0 [pid 296] getdents64(3, [pid 298] rmdir("./54" [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... rmdir resumed>) = 0 [pid 296] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] mkdir("./55", 0777 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... mkdir resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./55/binderfs", [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./55/binderfs" [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 927 [pid 296] <... unlink resumed>) = 0 [pid 295] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] close(3 [pid 295] <... openat resumed>) = 3 [pid 296] <... close resumed>) = 0 [pid 295] newfstatat(3, "", [pid 296] rmdir("./55" [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 295] getdents64(3, [pid 296] mkdir("./56", 0777 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... mkdir resumed>) = 0 [pid 295] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./50/binderfs", [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 928 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./50/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./50") = 0 [pid 295] mkdir("./51", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 929 ./strace-static-x86_64: Process 928 attached [pid 928] set_robust_list(0x55555719e760, 24) = 0 [pid 928] chdir("./56") = 0 [pid 928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 928] setpgid(0, 0) = 0 [pid 928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 928] write(3, "1000", 4) = 4 [pid 928] close(3) = 0 [pid 928] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 928] write(1, "executing program\n", 18) = 18 [pid 928] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 928] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 928] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 928] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 928] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 928] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 929 attached [pid 929] set_robust_list(0x55555719e760, 24./strace-static-x86_64: Process 927 attached ) = 0 [pid 927] set_robust_list(0x55555719e760, 24 [pid 929] chdir("./51" [pid 927] <... set_robust_list resumed>) = 0 [pid 929] <... chdir resumed>) = 0 [pid 929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 927] chdir("./55" [pid 929] <... prctl resumed>) = 0 [pid 927] <... chdir resumed>) = 0 [pid 929] setpgid(0, 0 [pid 927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 929] <... setpgid resumed>) = 0 [pid 927] <... prctl resumed>) = 0 [pid 929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 927] setpgid(0, 0 [pid 928] <... ioctl resumed>, 0x20001400) = 0 [pid 928] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 928] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 928] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 928] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 929] <... openat resumed>) = 3 [pid 927] <... setpgid resumed>) = 0 [pid 929] write(3, "1000", 4 [pid 928] <... bpf resumed>) = 8 [pid 927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 928] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 929] <... write resumed>) = 4 [pid 928] exit_group(0 [pid 929] close(3 [pid 928] <... exit_group resumed>) = ? [pid 929] <... close resumed>) = 0 [pid 927] <... openat resumed>) = 3 [pid 929] symlink("/dev/binderfs", "./binderfs" [pid 927] write(3, "1000", 4 [pid 929] <... symlink resumed>) = 0 [pid 927] <... write resumed>) = 4 executing program [pid 929] write(1, "executing program\n", 18 [pid 927] close(3 [pid 929] <... write resumed>) = 18 [pid 927] <... close resumed>) = 0 [pid 929] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 927] symlink("/dev/binderfs", "./binderfs" [pid 929] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 927] <... symlink resumed>) = 0 [pid 929] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program [pid 927] write(1, "executing program\n", 18 [pid 929] <... bpf resumed>) = 4 [pid 927] <... write resumed>) = 18 [pid 929] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 927] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 929] <... bpf resumed>) = 5 [pid 927] <... bpf resumed>) = 3 [pid 913] +++ exited with 0 +++ [pid 929] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 927] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 929] <... openat resumed>) = 6 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=913, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 929] ioctl(6, PPPIOCNEWUNIT [pid 927] <... bpf resumed>) = 0 [pid 929] <... ioctl resumed>, 0x20001400) = 0 [pid 927] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 929] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 929] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 927] <... bpf resumed>) = 4 [pid 929] <... bpf resumed>) = 7 [pid 929] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 929] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 927] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 929] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 929] exit_group(0) = ? [pid 927] <... bpf resumed>) = 5 [pid 297] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW [pid 927] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 927] <... openat resumed>) = 6 [pid 297] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 927] ioctl(6, PPPIOCNEWUNIT [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./47/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./47" [pid 927] <... ioctl resumed>, 0x20001400) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 927] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] mkdir("./48", 0777 [pid 927] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] <... mkdir resumed>) = 0 [pid 927] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 927] <... bpf resumed>) = 7 [pid 927] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 934 [pid 927] <... bpf resumed>) = 0 [pid 927] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 927] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 927] exit_group(0) = ? ./strace-static-x86_64: Process 934 attached [pid 934] set_robust_list(0x55555719e760, 24) = 0 [pid 934] chdir("./48") = 0 [pid 934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 934] setpgid(0, 0) = 0 [pid 934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 934] write(3, "1000", 4) = 4 [pid 934] close(3) = 0 [pid 934] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 934] write(1, "executing program\n", 18) = 18 [pid 934] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 934] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 934] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 934] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 934] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 934] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 934] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 934] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 934] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 934] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 934] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 934] exit_group(0) = ? [pid 928] +++ exited with 0 +++ [pid 922] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=928, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 299] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... openat resumed>) = 3 [pid 296] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 296] newfstatat(3, "", [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 296] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./57/binderfs", [pid 296] newfstatat(AT_FDCWD, "./56/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./57/binderfs" [pid 296] unlink("./56/binderfs" [pid 299] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 296] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 296] close(3 [pid 299] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 299] rmdir("./57" [pid 296] rmdir("./56" [pid 299] <... rmdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 299] mkdir("./58", 0777 [pid 296] mkdir("./57", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 939 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 940 ./strace-static-x86_64: Process 940 attached [pid 940] set_robust_list(0x55555719e760, 24) = 0 [pid 940] chdir("./57") = 0 [pid 940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 939 attached [pid 939] set_robust_list(0x55555719e760, 24) = 0 [pid 939] chdir("./58" [pid 940] setpgid(0, 0) = 0 [pid 939] <... chdir resumed>) = 0 [pid 940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 939] setpgid(0, 0) = 0 [pid 939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 939] write(3, "1000", 4 [pid 940] <... openat resumed>) = 3 [pid 940] write(3, "1000", 4) = 4 [pid 940] close(3) = 0 [pid 940] symlink("/dev/binderfs", "./binderfs" [pid 939] <... write resumed>) = 4 [pid 939] close(3) = 0 [pid 939] symlink("/dev/binderfs", "./binderfs") = 0 [pid 940] <... symlink resumed>) = 0 [pid 939] write(1, "executing program\n", 18executing program [pid 940] write(1, "executing program\n", 18) = 18 executing program [pid 940] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 939] <... write resumed>) = 18 [pid 939] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 940] <... bpf resumed>) = 3 [pid 939] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 940] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 940] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 939] <... bpf resumed>) = 0 [pid 939] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 939] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 940] <... bpf resumed>) = 4 [pid 940] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 939] <... bpf resumed>) = 5 [pid 939] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 940] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 940] ioctl(6, PPPIOCNEWUNIT [pid 939] ioctl(6, PPPIOCNEWUNIT [pid 940] <... ioctl resumed>, 0x20001400) = 0 [pid 940] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 940] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 940] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 940] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 940] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 939] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 940] <... bpf resumed>) = 9 [pid 940] exit_group(0) = ? [pid 939] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 939] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 939] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 939] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 939] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 939] exit_group(0) = ? [pid 939] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=939, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 299] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./58/binderfs") = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./58") = 0 [pid 299] mkdir("./59", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 942 ./strace-static-x86_64: Process 942 attached [pid 929] +++ exited with 0 +++ [pid 927] +++ exited with 0 +++ [pid 942] set_robust_list(0x55555719e760, 24) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=927, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=929, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 942] chdir("./59") = 0 [pid 942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 942] setpgid(0, 0) = 0 [pid 942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 942] write(3, "1000", 4) = 4 [pid 298] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 942] close(3 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 942] <... close resumed>) = 0 [pid 298] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... openat resumed>) = 3 [pid 295] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] newfstatat(3, "", [pid 942] symlink("/dev/binderfs", "./binderfs" [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... openat resumed>) = 3 [pid 942] <... symlink resumed>) = 0 [pid 298] getdents64(3, [pid 295] newfstatat(3, "", [pid 934] +++ exited with 0 +++ [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=934, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] getdents64(3, [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./55/binderfs", [pid 297] <... restart_syscall resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./51/binderfs", [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./55/binderfs" [pid 297] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] unlink("./51/binderfs" [pid 298] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 298] getdents64(3, [pid 297] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] getdents64(3, [pid 297] <... openat resumed>) = 3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] newfstatat(3, "", [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] close(3 [pid 295] close(3 [pid 297] getdents64(3, [pid 295] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] rmdir("./51" [pid 298] rmdir("./55" [pid 297] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... rmdir resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... rmdir resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./48/binderfs", [pid 298] mkdir("./56", 0777 [pid 295] mkdir("./52", 0777 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 297] unlink("./48/binderfs" [pid 942] write(1, "executing program\n", 18 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... unlink resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 946 [pid 297] getdents64(3, [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 947 [pid 297] <... close resumed>) = 0 [pid 297] rmdir("./48"executing program ) = 0 [pid 297] mkdir("./49", 0777 [pid 942] <... write resumed>) = 18 [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 946 attached [pid 946] set_robust_list(0x55555719e760, 24 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 948 [pid 946] <... set_robust_list resumed>) = 0 [pid 946] chdir("./56") = 0 [pid 946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 946] setpgid(0, 0) = 0 [pid 946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 942] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 947 attached ) = 3 ./strace-static-x86_64: Process 948 attached [pid 947] set_robust_list(0x55555719e760, 24) = 0 [pid 947] chdir("./52" [pid 942] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 946] <... openat resumed>) = 3 [pid 946] write(3, "1000", 4 [pid 942] <... bpf resumed>) = 0 [pid 946] <... write resumed>) = 4 [pid 947] <... chdir resumed>) = 0 [pid 942] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 946] close(3) = 0 [pid 946] symlink("/dev/binderfs", "./binderfs" [pid 947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 947] setpgid(0, 0 [pid 946] <... symlink resumed>) = 0 [pid 947] <... setpgid resumed>) = 0 executing program [pid 947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 946] write(1, "executing program\n", 18) = 18 [pid 946] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 948] set_robust_list(0x55555719e760, 24 [pid 942] <... bpf resumed>) = 4 [pid 942] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 946] <... bpf resumed>) = 3 [pid 942] <... bpf resumed>) = 5 [pid 947] write(3, "1000", 4 [pid 946] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 942] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 946] <... bpf resumed>) = 0 [pid 947] <... write resumed>) = 4 [pid 942] <... openat resumed>) = 6 [pid 948] <... set_robust_list resumed>) = 0 [pid 946] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 947] close(3) = 0 [pid 947] symlink("/dev/binderfs", "./binderfs"executing program [pid 942] ioctl(6, PPPIOCNEWUNIT [pid 947] <... symlink resumed>) = 0 [pid 947] write(1, "executing program\n", 18) = 18 [pid 948] chdir("./49" [pid 947] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 946] <... bpf resumed>) = 4 [pid 947] <... bpf resumed>) = 3 [pid 947] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 947] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 946] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 947] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 948] <... chdir resumed>) = 0 [pid 942] <... ioctl resumed>, 0x20001400) = 0 [pid 942] bpf(BPF_PROG_LOAD, NULL, 0 [pid 948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 942] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 948] <... prctl resumed>) = 0 [pid 948] setpgid(0, 0 [pid 942] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 940] +++ exited with 0 +++ [pid 948] <... setpgid resumed>) = 0 [pid 948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 942] <... bpf resumed>) = 7 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 948] <... openat resumed>) = 3 [pid 942] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 948] write(3, "1000", 4 [pid 296] <... restart_syscall resumed>) = 0 [pid 948] <... write resumed>) = 4 [pid 948] close(3) = 0 [pid 942] <... bpf resumed>) = 0 [pid 948] symlink("/dev/binderfs", "./binderfs" [pid 296] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 942] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 948] <... symlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 948] write(1, "executing program\n", 18 [pid 296] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 948] <... write resumed>) = 18 [pid 296] <... openat resumed>) = 3 [pid 948] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 942] <... bpf resumed>) = 8 [pid 296] newfstatat(3, "", [pid 948] <... bpf resumed>) = 3 [pid 946] <... bpf resumed>) = 5 [pid 942] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 948] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] getdents64(3, [pid 948] <... bpf resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 948] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 947] <... bpf resumed>) = 5 [pid 946] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 942] <... bpf resumed>) = 9 [pid 948] <... bpf resumed>) = 4 [pid 947] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 946] <... openat resumed>) = 6 [pid 942] exit_group(0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 948] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 947] <... openat resumed>) = 6 [pid 946] ioctl(6, PPPIOCNEWUNIT [pid 942] <... exit_group resumed>) = ? [pid 296] newfstatat(AT_FDCWD, "./57/binderfs", [pid 948] <... bpf resumed>) = 5 [pid 947] ioctl(6, PPPIOCNEWUNIT [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 948] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] unlink("./57/binderfs" [pid 948] <... openat resumed>) = 6 [pid 948] ioctl(6, PPPIOCNEWUNIT [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./57") = 0 [pid 296] mkdir("./58", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 951 [pid 946] <... ioctl resumed>, 0x20001400) = 0 [pid 946] bpf(BPF_PROG_LOAD, NULL, 0 [pid 948] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 947] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 948] bpf(BPF_PROG_LOAD, NULL, 0 [pid 946] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 948] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 948] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 946] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 948] <... bpf resumed>) = 7 [pid 947] bpf(BPF_PROG_LOAD, NULL, 0 [pid 946] <... bpf resumed>) = 7 [pid 948] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 947] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 946] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 948] <... bpf resumed>) = 0 [pid 947] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 946] <... bpf resumed>) = 0 [pid 948] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 946] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 948] <... bpf resumed>) = 8 [pid 947] <... bpf resumed>) = 7 [pid 946] <... bpf resumed>) = 8 [pid 948] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 946] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 948] <... bpf resumed>) = 9 ./strace-static-x86_64: Process 951 attached [pid 948] exit_group(0 [pid 946] <... bpf resumed>) = 9 [pid 947] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 948] <... exit_group resumed>) = ? [pid 946] exit_group(0 [pid 951] set_robust_list(0x55555719e760, 24 [pid 948] +++ exited with 0 +++ [pid 947] <... bpf resumed>) = 0 [pid 946] <... exit_group resumed>) = ? [pid 951] <... set_robust_list resumed>) = 0 [pid 947] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 947] <... bpf resumed>) = 8 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./49/binderfs", [pid 951] chdir("./58" [pid 947] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 947] <... bpf resumed>) = 9 [pid 297] unlink("./49/binderfs" [pid 951] <... chdir resumed>) = 0 [pid 947] exit_group(0 [pid 297] <... unlink resumed>) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./49" [pid 951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 947] <... exit_group resumed>) = ? [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./50", 0777 [pid 951] <... prctl resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 947] +++ exited with 0 +++ [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=947, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 951] setpgid(0, 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 953 [pid 295] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 951] <... setpgid resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 951] <... openat resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./52/binderfs", [pid 951] write(3, "1000", 4 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./52/binderfs" [pid 951] <... write resumed>) = 4 [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3 [pid 951] close(3 [pid 295] <... close resumed>) = 0 [pid 295] rmdir("./52" [pid 951] <... close resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./53", 0777 [pid 951] symlink("/dev/binderfs", "./binderfs" [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 956 ./strace-static-x86_64: Process 953 attached [pid 953] set_robust_list(0x55555719e760, 24) = 0 [pid 953] chdir("./50") = 0 [pid 953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 953] setpgid(0, 0) = 0 [pid 953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 953] write(3, "1000", 4) = 4 [pid 953] close(3) = 0 [pid 953] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 956 attached [pid 956] set_robust_list(0x55555719e760, 24) = 0 [pid 956] chdir("./53") = 0 [pid 956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 956] setpgid(0, 0) = 0 [pid 956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 956] write(3, "1000", 4) = 4 [pid 956] close(3) = 0 [pid 956] symlink("/dev/binderfs", "./binderfs" [pid 942] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 299] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 946] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=946, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 956] <... symlink resumed>) = 0 [pid 953] <... symlink resumed>) = 0 [pid 951] <... symlink resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 951] write(1, "executing program\n", 18executing program executing program executing program [pid 956] write(1, "executing program\n", 18 [pid 953] write(1, "executing program\n", 18 [pid 951] <... write resumed>) = 18 [pid 299] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 956] <... write resumed>) = 18 [pid 953] <... write resumed>) = 18 [pid 951] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 956] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 953] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 951] <... bpf resumed>) = 3 [pid 299] newfstatat(AT_FDCWD, "./59/binderfs", [pid 951] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 956] <... bpf resumed>) = 3 [pid 953] <... bpf resumed>) = 3 [pid 951] <... bpf resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] newfstatat(AT_FDCWD, "./56/binderfs", [pid 951] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 956] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 953] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] unlink("./59/binderfs" [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 956] <... bpf resumed>) = 0 [pid 953] <... bpf resumed>) = 0 [pid 951] <... bpf resumed>) = 4 [pid 299] <... unlink resumed>) = 0 [pid 298] unlink("./56/binderfs" [pid 956] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 953] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 951] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] getdents64(3, [pid 298] <... unlink resumed>) = 0 [pid 956] <... bpf resumed>) = 4 [pid 953] <... bpf resumed>) = 4 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] getdents64(3, [pid 956] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 953] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] close(3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... close resumed>) = 0 [pid 298] close(3 [pid 299] rmdir("./59" [pid 298] <... close resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 298] rmdir("./56" [pid 956] <... bpf resumed>) = 5 [pid 953] <... bpf resumed>) = 5 [pid 951] <... bpf resumed>) = 5 [pid 299] mkdir("./60", 0777 [pid 298] <... rmdir resumed>) = 0 [pid 956] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 953] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 951] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] <... mkdir resumed>) = 0 [pid 298] mkdir("./57", 0777 [pid 956] <... openat resumed>) = 6 [pid 953] <... openat resumed>) = 6 [pid 951] <... openat resumed>) = 6 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... mkdir resumed>) = 0 [pid 956] ioctl(6, PPPIOCNEWUNIT [pid 953] ioctl(6, PPPIOCNEWUNIT [pid 951] ioctl(6, PPPIOCNEWUNIT [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 966 attached ./strace-static-x86_64: Process 964 attached [pid 956] <... ioctl resumed>, 0x20001400) = 0 [pid 953] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 951] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 964 [pid 956] bpf(BPF_PROG_LOAD, NULL, 0 [pid 953] bpf(BPF_PROG_LOAD, NULL, 0 [pid 951] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 966 [pid 964] set_robust_list(0x55555719e760, 24 [pid 956] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 953] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 951] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 964] <... set_robust_list resumed>) = 0 [pid 956] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 953] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 951] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 966] set_robust_list(0x55555719e760, 24 [pid 964] chdir("./60" [pid 956] <... bpf resumed>) = 7 [pid 953] <... bpf resumed>) = 7 [pid 951] <... bpf resumed>) = 7 [pid 956] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 953] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 951] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 964] <... chdir resumed>) = 0 [pid 956] <... bpf resumed>) = 0 [pid 953] <... bpf resumed>) = 0 [pid 951] <... bpf resumed>) = 0 [pid 964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 956] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 953] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 951] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 966] <... set_robust_list resumed>) = 0 [pid 964] <... prctl resumed>) = 0 [pid 956] <... bpf resumed>) = 8 [pid 956] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 956] exit_group(0 [pid 953] <... bpf resumed>) = 8 [pid 956] <... exit_group resumed>) = ? [pid 966] chdir("./57" [pid 964] setpgid(0, 0 [pid 953] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 951] <... bpf resumed>) = 8 [pid 964] <... setpgid resumed>) = 0 [pid 953] <... bpf resumed>) = 9 [pid 951] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 966] <... chdir resumed>) = 0 [pid 964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 953] exit_group(0 [pid 951] <... bpf resumed>) = 9 [pid 953] <... exit_group resumed>) = ? [pid 951] exit_group(0 [pid 966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 964] <... openat resumed>) = 3 [pid 953] +++ exited with 0 +++ [pid 951] <... exit_group resumed>) = ? [pid 966] <... prctl resumed>) = 0 [pid 964] write(3, "1000", 4 [pid 966] setpgid(0, 0 [pid 964] <... write resumed>) = 4 [pid 951] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=953, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 966] <... setpgid resumed>) = 0 [pid 964] close(3) = 0 [pid 297] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 964] symlink("/dev/binderfs", "./binderfs" [pid 296] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 296] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... openat resumed>) = 3 [pid 297] getdents64(3, [pid 296] newfstatat(3, "", [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] getdents64(3, [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 966] <... openat resumed>) = 3 [pid 964] <... symlink resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./50/binderfs", [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 executing program [pid 966] write(3, "1000", 4 [pid 964] write(1, "executing program\n", 18 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 966] <... write resumed>) = 4 [pid 964] <... write resumed>) = 18 [pid 297] unlink("./50/binderfs" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 966] close(3 [pid 964] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... unlink resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./58/binderfs", [pid 964] <... bpf resumed>) = 3 [pid 297] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 964] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] unlink("./58/binderfs" [pid 964] <... bpf resumed>) = 0 [pid 297] close(3 [pid 296] <... unlink resumed>) = 0 [pid 964] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... close resumed>) = 0 [pid 296] getdents64(3, [pid 964] <... bpf resumed>) = 4 [pid 297] rmdir("./50" [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 964] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] <... rmdir resumed>) = 0 [pid 296] close(3 [pid 966] <... close resumed>) = 0 [pid 964] <... bpf resumed>) = 5 [pid 297] mkdir("./51", 0777 [pid 296] <... close resumed>) = 0 [pid 966] symlink("/dev/binderfs", "./binderfs" [pid 964] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] <... mkdir resumed>) = 0 [pid 296] rmdir("./58" [pid 966] <... symlink resumed>) = 0 [pid 964] <... openat resumed>) = 6 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 967 attached [pid 966] write(1, "executing program\n", 18 [pid 964] ioctl(6, PPPIOCNEWUNIT [pid 967] set_robust_list(0x55555719e760, 24) = 0 [pid 967] chdir("./51" [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 967 [pid 296] mkdir("./59", 0777 [pid 967] <... chdir resumed>) = 0 [pid 967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 967] <... prctl resumed>) = 0 [pid 967] setpgid(0, 0) = 0 executing program [pid 967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 969 [pid 967] <... openat resumed>) = 3 [pid 966] <... write resumed>) = 18 [pid 964] <... ioctl resumed>, 0x20001400) = 0 [pid 967] write(3, "1000", 4 [pid 966] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 964] bpf(BPF_PROG_LOAD, NULL, 0./strace-static-x86_64: Process 969 attached [pid 967] <... write resumed>) = 4 [pid 966] <... bpf resumed>) = 3 [pid 964] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 969] set_robust_list(0x55555719e760, 24 [pid 967] close(3 [pid 966] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 964] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 969] <... set_robust_list resumed>) = 0 [pid 966] <... bpf resumed>) = 0 [pid 964] <... bpf resumed>) = 7 [pid 966] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 969] chdir("./59" [pid 964] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 967] <... close resumed>) = 0 [pid 967] symlink("/dev/binderfs", "./binderfs" [pid 969] <... chdir resumed>) = 0 [pid 967] <... symlink resumed>) = 0 [pid 966] <... bpf resumed>) = 4 [pid 964] <... bpf resumed>) = 0 executing program [pid 967] write(1, "executing program\n", 18 [pid 969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 967] <... write resumed>) = 18 [pid 966] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 964] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 969] <... prctl resumed>) = 0 [pid 967] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 966] <... bpf resumed>) = 5 [pid 969] setpgid(0, 0 [pid 967] <... bpf resumed>) = 3 [pid 966] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 964] <... bpf resumed>) = 8 [pid 967] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 969] <... setpgid resumed>) = 0 [pid 967] <... bpf resumed>) = 0 [pid 966] <... openat resumed>) = 6 [pid 964] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 967] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 966] ioctl(6, PPPIOCNEWUNIT [pid 969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 967] <... bpf resumed>) = 4 [pid 964] <... bpf resumed>) = 9 [pid 969] <... openat resumed>) = 3 [pid 967] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 966] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 964] exit_group(0 [pid 969] write(3, "1000", 4 [pid 967] <... bpf resumed>) = 5 [pid 966] bpf(BPF_PROG_LOAD, NULL, 0 [pid 964] <... exit_group resumed>) = ? [pid 969] <... write resumed>) = 4 [pid 967] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 966] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 969] close(3 [pid 967] <... openat resumed>) = 6 [pid 966] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 967] ioctl(6, PPPIOCNEWUNIT [pid 969] <... close resumed>) = 0 [pid 966] <... bpf resumed>) = 7 [pid 969] symlink("/dev/binderfs", "./binderfs" [pid 966] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 966] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 969] <... symlink resumed>) = 0 [pid 966] <... bpf resumed>) = 8 [pid 966] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16executing program [pid 969] write(1, "executing program\n", 18 [pid 967] <... ioctl resumed>, 0x20001400) = 0 [pid 966] <... bpf resumed>) = 9 [pid 956] +++ exited with 0 +++ [pid 967] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=956, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 967] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 967] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 295] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 967] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 967] <... bpf resumed>) = 0 [pid 295] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 967] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... openat resumed>) = 3 [pid 967] <... bpf resumed>) = 8 [pid 966] exit_group(0 [pid 295] newfstatat(3, "", [pid 967] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 967] <... bpf resumed>) = 9 [pid 295] getdents64(3, [pid 967] exit_group(0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 967] <... exit_group resumed>) = ? [pid 966] <... exit_group resumed>) = ? [pid 295] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 969] <... write resumed>) = 18 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./53/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3 [pid 966] +++ exited with 0 +++ [pid 295] <... close resumed>) = 0 [pid 295] rmdir("./53" [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=966, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 969] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./54", 0777) = 0 [pid 298] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 969] <... bpf resumed>) = 3 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 970 [pid 969] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] <... openat resumed>) = 3 [pid 969] <... bpf resumed>) = 0 [pid 298] newfstatat(3, "", [pid 969] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, ./strace-static-x86_64: Process 970 attached 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 970] set_robust_list(0x55555719e760, 24 [pid 298] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 970] <... set_robust_list resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./57/binderfs" [pid 970] chdir("./54") = 0 [pid 298] <... unlink resumed>) = 0 [pid 970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] getdents64(3, [pid 970] <... prctl resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 970] setpgid(0, 0 [pid 298] <... close resumed>) = 0 [pid 969] <... bpf resumed>) = 4 [pid 298] rmdir("./57" [pid 969] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 970] <... setpgid resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 969] <... bpf resumed>) = 5 [pid 298] mkdir("./58", 0777 [pid 969] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 970] <... openat resumed>) = 3 [pid 970] write(3, "1000", 4) = 4 [pid 970] close(3) = 0 [pid 970] symlink("/dev/binderfs", "./binderfs" [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 969] <... openat resumed>) = 6 [pid 969] ioctl(6, PPPIOCNEWUNIT [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 971 [pid 970] <... symlink resumed>) = 0 [pid 970] write(1, "executing program\n", 18) = 18 [pid 970] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 970] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 970] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 970] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 970] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 970] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 971 attached [pid 971] set_robust_list(0x55555719e760, 24) = 0 [pid 971] chdir("./58") = 0 [pid 971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 971] setpgid(0, 0) = 0 [pid 971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 971] write(3, "1000", 4) = 4 [pid 971] close(3) = 0 [pid 971] symlink("/dev/binderfs", "./binderfs") = 0 [pid 971] write(1, "executing program\n", 18) = 18 [pid 971] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 971] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 971] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 971] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 971] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 971] ioctl(6, PPPIOCNEWUNITexecuting program executing program [pid 970] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 969] <... ioctl resumed>, 0x20001400) = 0 [pid 970] bpf(BPF_PROG_LOAD, NULL, 0 [pid 969] bpf(BPF_PROG_LOAD, NULL, 0 [pid 970] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 969] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 970] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 969] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 970] <... bpf resumed>) = 7 [pid 970] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 969] <... bpf resumed>) = 7 [pid 970] <... bpf resumed>) = 0 [pid 969] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 971] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 970] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 969] <... bpf resumed>) = 0 [pid 971] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 970] <... bpf resumed>) = 8 [pid 970] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 969] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 970] <... bpf resumed>) = 9 [pid 970] exit_group(0) = ? [pid 970] +++ exited with 0 +++ [pid 971] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 971] <... bpf resumed>) = 7 [pid 971] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 969] <... bpf resumed>) = 8 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 969] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 969] <... bpf resumed>) = 9 [pid 295] <... openat resumed>) = 3 [pid 971] <... bpf resumed>) = 0 [pid 295] newfstatat(3, "", [pid 969] exit_group(0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 969] <... exit_group resumed>) = ? [pid 971] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./54/binderfs" [pid 971] <... bpf resumed>) = 8 [pid 295] <... unlink resumed>) = 0 [pid 971] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] getdents64(3, [pid 971] <... bpf resumed>) = 9 [pid 971] exit_group(0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 971] <... exit_group resumed>) = ? [pid 971] +++ exited with 0 +++ [pid 295] close(3 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=971, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... close resumed>) = 0 [pid 295] rmdir("./54" [pid 298] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 964] +++ exited with 0 +++ [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... rmdir resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=964, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] mkdir("./55", 0777 [pid 298] <... openat resumed>) = 3 [pid 295] <... mkdir resumed>) = 0 [pid 299] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] newfstatat(3, "", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] getdents64(3, [pid 299] <... openat resumed>) = 3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 973 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] getdents64(3, [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] newfstatat(AT_FDCWD, "./58/binderfs", [pid 299] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] unlink("./58/binderfs" [pid 299] newfstatat(AT_FDCWD, "./60/binderfs", ./strace-static-x86_64: Process 973 attached [pid 973] set_robust_list(0x55555719e760, 24 [pid 298] <... unlink resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] getdents64(3, [pid 299] unlink("./60/binderfs" [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 973] <... set_robust_list resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 298] close(3 [pid 299] getdents64(3, [pid 973] chdir("./55" [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 executing program [pid 298] <... close resumed>) = 0 [pid 299] close(3 [pid 298] rmdir("./58" [pid 973] <... chdir resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 973] setpgid(0, 0) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 299] rmdir("./60" [pid 298] mkdir("./59", 0777 [pid 973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... rmdir resumed>) = 0 [pid 973] <... openat resumed>) = 3 [pid 973] write(3, "1000", 4) = 4 [pid 973] close(3) = 0 [pid 973] symlink("/dev/binderfs", "./binderfs" [pid 298] <... mkdir resumed>) = 0 [pid 299] mkdir("./61", 0777 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 973] <... symlink resumed>) = 0 [pid 973] write(1, "executing program\n", 18) = 18 [pid 299] <... mkdir resumed>) = 0 [pid 973] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 973] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 973] <... bpf resumed>) = 0 [pid 973] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 976 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 975 ./strace-static-x86_64: Process 975 attached [pid 975] set_robust_list(0x55555719e760, 24) = 0 ./strace-static-x86_64: Process 976 attached [pid 975] chdir("./59" [pid 973] <... bpf resumed>) = 4 [pid 973] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 975] <... chdir resumed>) = 0 [pid 973] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 973] <... openat resumed>) = 6 [pid 973] ioctl(6, PPPIOCNEWUNIT [pid 976] set_robust_list(0x55555719e760, 24 [pid 975] setpgid(0, 0) = 0 [pid 976] <... set_robust_list resumed>) = 0 [pid 975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 975] write(3, "1000", 4) = 4 [pid 975] close(3 [pid 976] chdir("./61" [pid 973] <... ioctl resumed>, 0x20001400) = 0 [pid 973] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 973] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 973] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 973] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 973] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 973] exit_group(0) = ? [pid 975] <... close resumed>) = 0 [pid 975] symlink("/dev/binderfs", "./binderfs" [pid 976] <... chdir resumed>) = 0 [pid 975] <... symlink resumed>) = 0 [pid 975] write(1, "executing program\n", 18executing program ) = 18 [pid 976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 975] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 976] <... prctl resumed>) = 0 [pid 976] setpgid(0, 0 [pid 975] <... bpf resumed>) = 3 [pid 975] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 976] <... setpgid resumed>) = 0 [pid 975] <... bpf resumed>) = 0 [pid 975] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 975] <... bpf resumed>) = 4 [pid 975] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 975] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 975] ioctl(6, PPPIOCNEWUNIT [pid 976] <... openat resumed>) = 3 [pid 976] write(3, "1000", 4) = 4 [pid 976] close(3) = 0 [pid 976] symlink("/dev/binderfs", "./binderfs") = 0 [pid 976] write(1, "executing program\n", 18executing program ) = 18 [pid 976] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 976] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 976] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 975] <... ioctl resumed>, 0x20001400) = 0 [pid 975] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 975] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 975] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 975] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 975] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 975] exit_group(0) = ? [pid 976] <... bpf resumed>) = 4 [pid 976] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 969] +++ exited with 0 +++ [pid 967] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=969, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=967, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 297] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... openat resumed>) = 3 [pid 296] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] newfstatat(3, "", [pid 296] <... openat resumed>) = 3 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] newfstatat(3, "", [pid 297] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] getdents64(3, [pid 297] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] newfstatat(AT_FDCWD, "./51/binderfs", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(AT_FDCWD, "./59/binderfs", [pid 297] unlink("./51/binderfs" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... unlink resumed>) = 0 [pid 297] getdents64(3, [pid 296] unlink("./59/binderfs" [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... unlink resumed>) = 0 [pid 297] close(3 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... close resumed>) = 0 [pid 296] close(3 [pid 297] rmdir("./51" [pid 296] <... close resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 296] rmdir("./59" [pid 297] mkdir("./52", 0777 [pid 296] <... rmdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 296] mkdir("./60", 0777 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 978 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 979 [pid 976] openat(AT_FDCWD, "/dev/ppp", O_RDONLY./strace-static-x86_64: Process 979 attached ) = 6 [pid 979] set_robust_list(0x55555719e760, 24 [pid 976] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 978 attached [pid 979] <... set_robust_list resumed>) = 0 [pid 976] <... ioctl resumed>, 0x20001400) = 0 [pid 976] bpf(BPF_PROG_LOAD, NULL, 0 [pid 979] chdir("./60" [pid 978] set_robust_list(0x55555719e760, 24 [pid 976] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 976] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 976] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 976] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 976] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 976] exit_group(0) = ? [pid 979] <... chdir resumed>) = 0 [pid 973] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=973, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 979] setpgid(0, 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 295] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./55/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./55") = 0 [pid 295] mkdir("./56", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 983 [pid 979] <... setpgid resumed>) = 0 [pid 979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 979] write(3, "1000", 4) = 4 [pid 979] close(3) = 0 [pid 979] symlink("/dev/binderfs", "./binderfs") = 0 [pid 979] write(1, "executing program\n", 18executing program ) = 18 [pid 979] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 979] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 979] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 978] <... set_robust_list resumed>) = 0 [pid 978] chdir("./52") = 0 [pid 978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 979] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 978] setpgid(0, 0) = 0 [pid 978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 978] write(3, "1000", 4) = 4 [pid 978] close(3) = 0 [pid 978] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 978] write(1, "executing program\n", 18) = 18 [pid 978] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 978] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 978] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 979] <... bpf resumed>) = 5 [pid 978] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 975] +++ exited with 0 +++ [pid 979] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 978] <... bpf resumed>) = 5 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=975, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 983 attached [pid 979] <... openat resumed>) = 6 [pid 978] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 979] ioctl(6, PPPIOCNEWUNIT [pid 978] <... openat resumed>) = 6 [pid 298] <... restart_syscall resumed>) = 0 [pid 983] set_robust_list(0x55555719e760, 24 [pid 978] ioctl(6, PPPIOCNEWUNIT [pid 298] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 983] <... set_robust_list resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 983] chdir("./56" [pid 298] getdents64(3, [pid 983] <... chdir resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 983] <... prctl resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 983] setpgid(0, 0 [pid 298] newfstatat(AT_FDCWD, "./59/binderfs", [pid 983] <... setpgid resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./59/binderfs" [pid 983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 979] <... ioctl resumed>, 0x20001400) = 0 [pid 978] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 298] <... unlink resumed>) = 0 [pid 983] <... openat resumed>) = 3 [pid 979] bpf(BPF_PROG_LOAD, NULL, 0 [pid 978] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] getdents64(3, [pid 983] write(3, "1000", 4 [pid 979] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 978] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 983] <... write resumed>) = 4 [pid 979] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 978] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] close(3 [pid 983] close(3 [pid 979] <... bpf resumed>) = 7 [pid 978] <... bpf resumed>) = 7 [pid 298] <... close resumed>) = 0 [pid 983] <... close resumed>) = 0 [pid 979] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 978] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] rmdir("./59" [pid 983] symlink("/dev/binderfs", "./binderfs" [pid 979] <... bpf resumed>) = 0 [pid 978] <... bpf resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 983] <... symlink resumed>) = 0 [pid 979] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 978] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] mkdir("./60", 0777executing program [pid 983] write(1, "executing program\n", 18 [pid 979] <... bpf resumed>) = 8 [pid 978] <... bpf resumed>) = 8 [pid 298] <... mkdir resumed>) = 0 [pid 983] <... write resumed>) = 18 [pid 979] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 978] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 983] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 979] <... bpf resumed>) = 9 [pid 978] <... bpf resumed>) = 9 [pid 983] <... bpf resumed>) = 3 [pid 979] exit_group(0 [pid 978] exit_group(0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 988 [pid 983] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 979] <... exit_group resumed>) = ? [pid 978] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 988 attached [pid 983] <... bpf resumed>) = 0 [pid 978] +++ exited with 0 +++ [pid 988] set_robust_list(0x55555719e760, 24 [pid 983] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 988] <... set_robust_list resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=978, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 983] <... bpf resumed>) = 4 [pid 297] <... restart_syscall resumed>) = 0 [pid 297] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 988] chdir("./60" [pid 983] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] getdents64(3, [pid 988] <... chdir resumed>) = 0 [pid 983] <... bpf resumed>) = 5 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 983] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 988] <... prctl resumed>) = 0 [pid 983] <... openat resumed>) = 6 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 988] setpgid(0, 0 [pid 983] ioctl(6, PPPIOCNEWUNIT [pid 297] newfstatat(AT_FDCWD, "./52/binderfs", [pid 988] <... setpgid resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./52/binderfs") = 0 [pid 988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 983] <... ioctl resumed>, 0x20001400) = 0 [pid 297] getdents64(3, [pid 988] <... openat resumed>) = 3 [pid 983] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 988] write(3, "1000", 4 [pid 983] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] close(3 [pid 988] <... write resumed>) = 4 [pid 983] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... close resumed>) = 0 [pid 988] close(3 [pid 983] <... bpf resumed>) = 7 [pid 297] rmdir("./52" [pid 988] <... close resumed>) = 0 [pid 983] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 976] +++ exited with 0 +++ [pid 297] <... rmdir resumed>) = 0 [pid 988] symlink("/dev/binderfs", "./binderfs" [pid 983] <... bpf resumed>) = 0 [pid 297] mkdir("./53", 0777 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=976, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] <... mkdir resumed>) = 0 [pid 988] <... symlink resumed>) = 0 [pid 983] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 988] write(1, "executing program\n", 18 [pid 983] <... bpf resumed>) = 8 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 988] <... write resumed>) = 18 [pid 983] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 991 [pid 988] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 983] <... bpf resumed>) = 9 [pid 299] <... openat resumed>) = 3 [pid 988] <... bpf resumed>) = 3 [pid 983] exit_group(0 [pid 299] newfstatat(3, "", [pid 988] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 983] <... exit_group resumed>) = ? [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 988] <... bpf resumed>) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 988] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 988] <... bpf resumed>) = 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 988] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] newfstatat(AT_FDCWD, "./61/binderfs", [pid 988] <... bpf resumed>) = 5 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./61/binderfs") = 0 [pid 988] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] getdents64(3, [pid 988] <... openat resumed>) = 6 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 988] ioctl(6, PPPIOCNEWUNIT [pid 299] close(3) = 0 [pid 299] rmdir("./61") = 0 [pid 988] <... ioctl resumed>, 0x20001400) = 0 [pid 988] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] mkdir("./62", 0777 [pid 988] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] <... mkdir resumed>) = 0 [pid 988] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 988] <... bpf resumed>) = 7 [pid 988] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 993 [pid 988] <... bpf resumed>) = 0 [pid 988] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 991 attached [pid 991] set_robust_list(0x55555719e760, 24 [pid 988] <... bpf resumed>) = 8 [pid 988] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 991] <... set_robust_list resumed>) = 0 [pid 988] <... bpf resumed>) = 9 [pid 991] chdir("./53" [pid 988] exit_group(0 [pid 991] <... chdir resumed>) = 0 [pid 988] <... exit_group resumed>) = ? [pid 991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 991] setpgid(0, 0) = 0 [pid 991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 991] write(3, "1000", 4) = 4 [pid 991] close(3) = 0 [pid 991] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 993 attached ) = 0 [pid 993] set_robust_list(0x55555719e760, 24 [pid 991] write(1, "executing program\n", 18executing program [pid 993] <... set_robust_list resumed>) = 0 [pid 991] <... write resumed>) = 18 [pid 993] chdir("./62" [pid 991] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 993] <... chdir resumed>) = 0 [pid 991] <... bpf resumed>) = 3 [pid 993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 991] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 993] <... prctl resumed>) = 0 [pid 991] <... bpf resumed>) = 0 [pid 993] setpgid(0, 0 [pid 991] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 993] <... setpgid resumed>) = 0 [pid 993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 991] <... bpf resumed>) = 4 [pid 993] <... openat resumed>) = 3 [pid 991] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 993] write(3, "1000", 4 [pid 991] <... bpf resumed>) = 5 [pid 993] <... write resumed>) = 4 [pid 991] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 993] close(3 [pid 991] <... openat resumed>) = 6 [pid 993] <... close resumed>) = 0 [pid 991] ioctl(6, PPPIOCNEWUNIT [pid 993] symlink("/dev/binderfs", "./binderfs") = 0 [pid 993] write(1, "executing program\n", 18 [pid 991] <... ioctl resumed>, 0x20001400) = 0 [pid 991] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 991] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 991] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 991] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 executing program [pid 993] <... write resumed>) = 18 [pid 991] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 993] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 991] <... bpf resumed>) = 9 [pid 993] <... bpf resumed>) = 3 [pid 991] exit_group(0 [pid 993] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 991] <... exit_group resumed>) = ? [pid 993] <... bpf resumed>) = 0 [pid 993] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 993] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 993] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 993] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 993] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 993] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 993] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 993] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 993] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 993] exit_group(0) = ? [pid 979] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./60/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./60") = 0 [pid 296] mkdir("./61", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 998 ./strace-static-x86_64: Process 998 attached [pid 998] set_robust_list(0x55555719e760, 24) = 0 [pid 998] chdir("./61") = 0 [pid 998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 998] setpgid(0, 0) = 0 [pid 998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 998] write(3, "1000", 4) = 4 [pid 998] close(3) = 0 [pid 998] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 998] write(1, "executing program\n", 18) = 18 [pid 998] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 998] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 998] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 998] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 998] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 998] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 998] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 998] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 998] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 998] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 998] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 998] exit_group(0) = ? [pid 993] +++ exited with 0 +++ [pid 988] +++ exited with 0 +++ [pid 983] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=983, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=993, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... openat resumed>) = 3 [pid 299] <... openat resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", [pid 299] newfstatat(3, "", [pid 298] newfstatat(3, "", [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, [pid 299] getdents64(3, [pid 298] getdents64(3, [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./62/binderfs", [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./56/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] newfstatat(AT_FDCWD, "./60/binderfs", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./62/binderfs" [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./56/binderfs" [pid 299] <... unlink resumed>) = 0 [pid 298] unlink("./60/binderfs" [pid 295] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 298] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] getdents64(3, [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 298] close(3 [pid 299] <... close resumed>) = 0 [pid 295] rmdir("./56" [pid 299] rmdir("./62" [pid 298] <... close resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 298] rmdir("./60" [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./63", 0777 [pid 298] <... rmdir resumed>) = 0 [pid 295] mkdir("./57", 0777 [pid 298] mkdir("./61", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1003 attached [pid 1003] set_robust_list(0x55555719e760, 24) = 0 [pid 1003] chdir("./61") = 0 [pid 1003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1003 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1004 [pid 1003] <... prctl resumed>) = 0 [pid 1003] setpgid(0, 0) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1005 [pid 1003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1003] write(3, "1000", 4) = 4 [pid 1003] close(3) = 0 [pid 1003] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1003] write(1, "executing program\n", 18) = 18 [pid 1003] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1003] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1003] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 1005 attached ) = 4 [pid 1003] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 1004 attached [pid 1005] set_robust_list(0x55555719e760, 24) = 0 [pid 1004] set_robust_list(0x55555719e760, 24) = 0 [pid 1004] chdir("./63" [pid 1005] chdir("./57") = 0 [pid 1005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1005] setpgid(0, 0 [pid 1004] <... chdir resumed>) = 0 [pid 1004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1004] setpgid(0, 0) = 0 [pid 1005] <... setpgid resumed>) = 0 [pid 1004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1004] write(3, "1000", 4) = 4 [pid 1004] close(3 [pid 1005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1005] write(3, "1000", 4 [pid 1004] <... close resumed>) = 0 [pid 1005] <... write resumed>) = 4 [pid 1004] symlink("/dev/binderfs", "./binderfs" [pid 1005] close(3executing program ) = 0 [pid 1004] <... symlink resumed>) = 0 [pid 1004] write(1, "executing program\n", 18) = 18 [pid 1004] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1005] symlink("/dev/binderfs", "./binderfs" [pid 991] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=991, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 1005] <... symlink resumed>) = 0 [pid 297] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 1005] write(1, "executing program\n", 18 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./53/binderfs", executing program {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./53/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./53" [pid 1005] <... write resumed>) = 18 [pid 1003] <... bpf resumed>) = 5 [pid 297] <... rmdir resumed>) = 0 [pid 1003] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] mkdir("./54", 0777 [pid 1005] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1003] <... openat resumed>) = 6 [pid 297] <... mkdir resumed>) = 0 [pid 1003] ioctl(6, PPPIOCNEWUNIT [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1005] <... bpf resumed>) = 3 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1008 [pid 1005] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1005] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1004] <... bpf resumed>) = 3 [pid 1004] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1004] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1005] <... bpf resumed>) = 4 [pid 1005] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1005] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1004] <... bpf resumed>) = 4 [pid 1004] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1005] ioctl(6, PPPIOCNEWUNIT [pid 1004] <... bpf resumed>) = 5 [pid 1004] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1004] ioctl(6, PPPIOCNEWUNIT [pid 1005] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1003] <... ioctl resumed>, 0x20001400) = 0 [pid 998] +++ exited with 0 +++ [pid 1005] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1004] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1003] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=998, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1004] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1003] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1005] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1004] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1003] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1005] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1004] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1003] <... bpf resumed>) = 7 [pid 296] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1008 attached [pid 1005] <... bpf resumed>) = 7 [pid 1004] <... bpf resumed>) = 7 [pid 1003] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1004] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1003] <... bpf resumed>) = 0 [pid 296] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1004] <... bpf resumed>) = 0 [pid 1003] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... openat resumed>) = 3 [pid 1008] set_robust_list(0x55555719e760, 24 [pid 1005] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1004] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1003] <... bpf resumed>) = 8 [pid 296] newfstatat(3, "", [pid 1008] <... set_robust_list resumed>) = 0 [pid 1005] <... bpf resumed>) = 0 [pid 1004] <... bpf resumed>) = 8 [pid 1003] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1004] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1003] <... bpf resumed>) = 9 [pid 296] getdents64(3, [pid 1008] chdir("./54" [pid 1005] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1004] <... bpf resumed>) = 9 [pid 1003] exit_group(0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1004] exit_group(0 [pid 1003] <... exit_group resumed>) = ? [pid 296] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1008] <... chdir resumed>) = 0 [pid 1005] <... bpf resumed>) = 8 [pid 1004] <... exit_group resumed>) = ? [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1005] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1004] +++ exited with 0 +++ [pid 296] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1005] <... bpf resumed>) = 9 [pid 296] unlink("./61/binderfs" [pid 1008] <... prctl resumed>) = 0 [pid 1005] exit_group(0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1004, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... unlink resumed>) = 0 [pid 1005] <... exit_group resumed>) = ? [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 299] <... restart_syscall resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./61") = 0 [pid 1005] +++ exited with 0 +++ [pid 296] mkdir("./62", 0777 [pid 1008] setpgid(0, 0 [pid 296] <... mkdir resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1005, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1008] <... setpgid resumed>) = 0 [pid 299] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1009 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] getdents64(3, [pid 295] <... openat resumed>) = 3 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] newfstatat(3, "", [pid 299] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] getdents64(3, [pid 299] unlink("./63/binderfs" [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... unlink resumed>) = 0 [pid 295] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] close(3 [pid 295] newfstatat(AT_FDCWD, "./57/binderfs", [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./63" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 295] unlink("./57/binderfs" [pid 299] mkdir("./64", 0777 [pid 295] <... unlink resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 295] getdents64(3, [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 ./strace-static-x86_64: Process 1010 attached [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1010 [pid 295] rmdir("./57" [pid 1010] set_robust_list(0x55555719e760, 24) = 0 [pid 1010] chdir("./64" [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./58", 0777 [pid 1008] <... openat resumed>) = 3 [pid 295] <... mkdir resumed>) = 0 [pid 1010] <... chdir resumed>) = 0 [pid 1010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1010] setpgid(0, 0) = 0 [pid 1010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1008] write(3, "1000", 4 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1010] <... openat resumed>) = 3 [pid 1010] write(3, "1000", 4) = 4 [pid 1010] close(3) = 0 [pid 1008] <... write resumed>) = 4 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1011 [pid 1008] close(3) = 0 [pid 1008] symlink("/dev/binderfs", "./binderfs" [pid 1010] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1008] <... symlink resumed>) = 0 executing program [pid 1010] write(1, "executing program\n", 18 [pid 1008] write(1, "executing program\n", 18executing program [pid 1010] <... write resumed>) = 18 [pid 1010] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1008] <... write resumed>) = 18 [pid 1008] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1008] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1008] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1010] <... bpf resumed>) = 3 [pid 1010] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1010] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1008] <... bpf resumed>) = 4 [pid 1010] <... bpf resumed>) = 4 [pid 1010] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1010] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1010] ioctl(6, PPPIOCNEWUNIT [pid 1008] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1008] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 ./strace-static-x86_64: Process 1011 attached [pid 1008] ioctl(6, PPPIOCNEWUNIT [pid 1011] set_robust_list(0x55555719e760, 24) = 0 [pid 1011] chdir("./58") = 0 [pid 1011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1011] setpgid(0, 0executing program ) = 0 [pid 1011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1011] write(3, "1000", 4) = 4 [pid 1011] close(3) = 0 [pid 1011] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1011] write(1, "executing program\n", 18) = 18 [pid 1011] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1011] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1011] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 1009 attached [pid 1009] set_robust_list(0x55555719e760, 24) = 0 [pid 1011] <... bpf resumed>) = 4 [pid 1009] chdir("./62" [pid 1011] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1011] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1011] ioctl(6, PPPIOCNEWUNIT [pid 1010] <... ioctl resumed>, 0x20001400) = 0 [pid 1010] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1008] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1011] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1010] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1009] <... chdir resumed>) = 0 [pid 1008] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1011] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1010] <... bpf resumed>) = 7 [pid 1008] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1011] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1010] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1011] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1010] <... bpf resumed>) = 0 [pid 1009] <... prctl resumed>) = 0 [pid 1008] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1011] <... bpf resumed>) = 7 [pid 1010] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1009] setpgid(0, 0 [pid 1011] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1010] <... bpf resumed>) = 8 [pid 1008] <... bpf resumed>) = 7 [pid 1011] <... bpf resumed>) = 0 [pid 1010] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1011] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1010] <... bpf resumed>) = 9 [pid 1009] <... setpgid resumed>) = 0 [pid 1008] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1011] <... bpf resumed>) = 8 [pid 1010] exit_group(0 [pid 1011] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1010] <... exit_group resumed>) = ? [pid 1008] <... bpf resumed>) = 0 [pid 1011] <... bpf resumed>) = 9 [pid 1009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1011] exit_group(0 [pid 1009] <... openat resumed>) = 3 [pid 1008] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1011] <... exit_group resumed>) = ? [pid 1011] +++ exited with 0 +++ [pid 1003] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1003, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 1009] write(3, "1000", 4 [pid 298] <... restart_syscall resumed>) = 0 [pid 1008] <... bpf resumed>) = 8 [pid 1009] <... write resumed>) = 4 [pid 1008] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1009] close(3 [pid 298] <... openat resumed>) = 3 [pid 295] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1008] <... bpf resumed>) = 9 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1009] <... close resumed>) = 0 [pid 1008] exit_group(0 [pid 298] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1009] symlink("/dev/binderfs", "./binderfs" [pid 1008] <... exit_group resumed>) = ? [pid 298] unlink("./61/binderfs" [pid 295] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... unlink resumed>) = 0 [pid 1009] <... symlink resumed>) = 0 [pid 298] getdents64(3, [pid 295] <... openat resumed>) = 3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./61"executing program [pid 1009] write(1, "executing program\n", 18 [pid 298] <... rmdir resumed>) = 0 [pid 295] newfstatat(3, "", [pid 298] mkdir("./62", 0777 [pid 1009] <... write resumed>) = 18 [pid 298] <... mkdir resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1009] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] getdents64(3, [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1014 [pid 1009] <... bpf resumed>) = 3 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1009] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 295] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1009] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1009] <... bpf resumed>) = 4 [pid 295] newfstatat(AT_FDCWD, "./58/binderfs", [pid 1009] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./58/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./58") = 0 [pid 295] mkdir("./59", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1009] <... bpf resumed>) = 5 [pid 1008] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1008, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 1009] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 297] <... restart_syscall resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1015 [pid 1009] ioctl(6, PPPIOCNEWUNIT [pid 297] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./54/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3 [pid 1009] <... ioctl resumed>, 0x20001400) = 0 [pid 297] <... close resumed>) = 0 [pid 297] rmdir("./54") = 0 ./strace-static-x86_64: Process 1014 attached [pid 1009] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] mkdir("./55", 0777 [pid 1014] set_robust_list(0x55555719e760, 24 [pid 1009] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1014] <... set_robust_list resumed>) = 0 [pid 1009] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 1015 attached [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1017 [pid 1015] set_robust_list(0x55555719e760, 24./strace-static-x86_64: Process 1017 attached ) = 0 [pid 1009] <... bpf resumed>) = 7 [pid 1014] chdir("./62") = 0 [pid 1009] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1017] set_robust_list(0x55555719e760, 24 [pid 1015] chdir("./59" [pid 1014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1009] <... bpf resumed>) = 0 [pid 1014] <... prctl resumed>) = 0 [pid 1017] <... set_robust_list resumed>) = 0 [pid 1009] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1017] chdir("./55" [pid 1015] <... chdir resumed>) = 0 [pid 1014] setpgid(0, 0 [pid 1009] <... bpf resumed>) = 8 [pid 1014] <... setpgid resumed>) = 0 [pid 1017] <... chdir resumed>) = 0 [pid 1015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1009] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1009] <... bpf resumed>) = 9 [pid 1015] <... prctl resumed>) = 0 [pid 1014] <... openat resumed>) = 3 [pid 1009] exit_group(0 [pid 1017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1015] setpgid(0, 0 [pid 1014] write(3, "1000", 4 [pid 1009] <... exit_group resumed>) = ? [pid 1017] <... prctl resumed>) = 0 [pid 1015] <... setpgid resumed>) = 0 [pid 1014] <... write resumed>) = 4 [pid 1017] setpgid(0, 0) = 0 [pid 1014] close(3 [pid 1017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1014] <... close resumed>) = 0 [pid 1017] <... openat resumed>) = 3 [pid 1017] write(3, "1000", 4) = 4 [pid 1017] close(3) = 0 [pid 1015] <... openat resumed>) = 3 [pid 1014] symlink("/dev/binderfs", "./binderfs"executing program [pid 1017] symlink("/dev/binderfs", "./binderfs" [pid 1015] write(3, "1000", 4 [pid 1014] <... symlink resumed>) = 0 [pid 1015] <... write resumed>) = 4 [pid 1014] write(1, "executing program\n", 18 [pid 1015] close(3 [pid 1014] <... write resumed>) = 18 [pid 1015] <... close resumed>) = 0 [pid 1014] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1015] symlink("/dev/binderfs", "./binderfs" [pid 1014] <... bpf resumed>) = 3 [pid 1015] <... symlink resumed>) = 0 executing program executing program [pid 1014] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1017] <... symlink resumed>) = 0 [pid 1015] write(1, "executing program\n", 18 [pid 1014] <... bpf resumed>) = 0 [pid 1015] <... write resumed>) = 18 [pid 1014] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1017] write(1, "executing program\n", 18) = 18 [pid 1017] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1015] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1014] <... bpf resumed>) = 4 [pid 1017] <... bpf resumed>) = 3 [pid 1015] <... bpf resumed>) = 3 [pid 1014] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1015] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1017] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1015] <... bpf resumed>) = 0 [pid 1015] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1017] <... bpf resumed>) = 0 [pid 1015] <... bpf resumed>) = 4 [pid 1015] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1017] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1017] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1010] +++ exited with 0 +++ [pid 1009] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1010, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] <... openat resumed>) = 3 [pid 299] newfstatat(AT_FDCWD, "./64/binderfs", [pid 296] newfstatat(3, "", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./64/binderfs") = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] getdents64(3, [pid 299] close(3) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] rmdir("./64") = 0 [pid 296] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] mkdir("./65", 0777) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] newfstatat(AT_FDCWD, "./62/binderfs", [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1019 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./62/binderfs"./strace-static-x86_64: Process 1019 attached [pid 1019] set_robust_list(0x55555719e760, 24 [pid 296] <... unlink resumed>) = 0 [pid 1019] <... set_robust_list resumed>) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./62" [pid 1019] chdir("./65") = 0 [pid 1019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./63", 0777 [pid 1019] setpgid(0, 0) = 0 [pid 1019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1019] <... openat resumed>) = 3 [pid 1019] write(3, "1000", 4) = 4 [pid 1019] close(3) = 0 [pid 1019] symlink("/dev/binderfs", "./binderfs" [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1020 [pid 1019] <... symlink resumed>) = 0 executing program [pid 1019] write(1, "executing program\n", 18) = 18 [pid 1019] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1019] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1019] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 ./strace-static-x86_64: Process 1020 attached [pid 1019] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1020] set_robust_list(0x55555719e760, 24) = 0 [pid 1020] chdir("./63") = 0 [pid 1020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1020] setpgid(0, 0) = 0 [pid 1020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1020] write(3, "1000", 4) = 4 [pid 1020] close(3) = 0 [pid 1020] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1020] write(1, "executing program\n", 18executing program ) = 18 [pid 1020] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1020] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1020] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1020] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1017] <... bpf resumed>) = 5 [pid 1015] <... bpf resumed>) = 5 [pid 1014] <... bpf resumed>) = 5 [pid 1019] <... bpf resumed>) = 5 [pid 1017] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1015] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1014] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1019] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1017] <... openat resumed>) = 6 [pid 1015] <... openat resumed>) = 6 [pid 1017] ioctl(6, PPPIOCNEWUNIT [pid 1015] ioctl(6, PPPIOCNEWUNIT [pid 1014] <... openat resumed>) = 6 [pid 1020] <... bpf resumed>) = 5 [pid 1019] <... openat resumed>) = 6 [pid 1017] <... ioctl resumed>, 0x20001400) = 0 [pid 1015] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1020] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1019] ioctl(6, PPPIOCNEWUNIT [pid 1017] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1015] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1014] ioctl(6, PPPIOCNEWUNIT [pid 1017] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1015] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1017] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1015] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1014] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1020] <... openat resumed>) = 6 [pid 1019] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1017] <... bpf resumed>) = 7 [pid 1015] <... bpf resumed>) = 7 [pid 1014] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1020] ioctl(6, PPPIOCNEWUNIT [pid 1019] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1017] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1015] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1014] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1020] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1019] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1017] <... bpf resumed>) = 0 [pid 1015] <... bpf resumed>) = 0 [pid 1014] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1020] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1019] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1017] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1015] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1020] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1019] <... bpf resumed>) = 7 [pid 1017] <... bpf resumed>) = 8 [pid 1015] <... bpf resumed>) = 8 [pid 1014] <... bpf resumed>) = 7 [pid 1020] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1019] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1017] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1015] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1014] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1020] <... bpf resumed>) = 7 [pid 1019] <... bpf resumed>) = 0 [pid 1017] <... bpf resumed>) = 9 [pid 1015] <... bpf resumed>) = 9 [pid 1014] <... bpf resumed>) = 0 [pid 1020] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1019] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1017] exit_group(0 [pid 1015] exit_group(0 [pid 1014] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1020] <... bpf resumed>) = 0 [pid 1019] <... bpf resumed>) = 8 [pid 1017] <... exit_group resumed>) = ? [pid 1015] <... exit_group resumed>) = ? [pid 1015] +++ exited with 0 +++ [pid 1014] <... bpf resumed>) = 8 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1015, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1014] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1014] <... bpf resumed>) = 9 [pid 1014] exit_group(0) = ? [pid 295] <... restart_syscall resumed>) = 0 [pid 1014] +++ exited with 0 +++ [pid 1020] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1019] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1014, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1019] <... bpf resumed>) = 9 [pid 1019] exit_group(0) = ? [pid 298] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1019] +++ exited with 0 +++ [pid 298] <... openat resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1020] <... bpf resumed>) = 8 [pid 298] newfstatat(3, "", [pid 1020] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1019, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1020] <... bpf resumed>) = 9 [pid 299] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] getdents64(3, [pid 1020] exit_group(0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... openat resumed>) = 3 [pid 299] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] newfstatat(3, "", [pid 1020] <... exit_group resumed>) = ? [pid 299] <... openat resumed>) = 3 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(3, "", [pid 298] newfstatat(AT_FDCWD, "./62/binderfs", [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] getdents64(3, [pid 298] unlink("./62/binderfs" [pid 295] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... unlink resumed>) = 0 [pid 299] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] getdents64(3, [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] newfstatat(AT_FDCWD, "./65/binderfs", [pid 298] close(3 [pid 295] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... close resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./65/binderfs" [pid 298] rmdir("./62" [pid 295] newfstatat(AT_FDCWD, "./59/binderfs", [pid 299] <... unlink resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 299] getdents64(3, [pid 298] mkdir("./63", 0777 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 295] unlink("./59/binderfs" [pid 299] close(3 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... close resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 299] rmdir("./65" [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1021 [pid 295] getdents64(3, ./strace-static-x86_64: Process 1021 attached [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./66", 0777 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1021] set_robust_list(0x55555719e760, 24 [pid 299] <... mkdir resumed>) = 0 [pid 295] close(3 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1021] <... set_robust_list resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1022 [pid 295] rmdir("./59"./strace-static-x86_64: Process 1022 attached [pid 1022] set_robust_list(0x55555719e760, 24 [pid 295] <... rmdir resumed>) = 0 [pid 1022] <... set_robust_list resumed>) = 0 [pid 1021] chdir("./63" [pid 295] mkdir("./60", 0777 [pid 1022] chdir("./66") = 0 [pid 1022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 1022] setpgid(0, 0) = 0 [pid 1021] <... chdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1022] write(3, "1000", 4) = 4 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1023 [pid 1021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1020] +++ exited with 0 +++ [pid 296] --- 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] <... prctl resumed>) = 0 [pid 1022] close(3 [pid 296] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1022] <... close resumed>) = 0 [pid 296] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1021] setpgid(0, 0 [pid 296] <... openat resumed>) = 3 [pid 1022] symlink("/dev/binderfs", "./binderfs" [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 1022] <... symlink resumed>) = 0 [pid 1021] <... setpgid resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 executing program [pid 1022] write(1, "executing program\n", 18 [pid 296] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1022] <... write resumed>) = 18 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1022] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] newfstatat(AT_FDCWD, "./63/binderfs", [pid 1021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1022] <... bpf resumed>) = 3 [pid 296] unlink("./63/binderfs" [pid 1022] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 1022] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./63" [pid 1022] <... bpf resumed>) = 4 [pid 1021] <... openat resumed>) = 3 [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./64", 0777 [pid 1022] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1022] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 296] <... mkdir resumed>) = 0 [pid 1022] ioctl(6, PPPIOCNEWUNIT [pid 1021] write(3, "1000", 4 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1024 attached [pid 1021] <... write resumed>) = 4 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1024 ./strace-static-x86_64: Process 1023 attached [pid 1023] set_robust_list(0x55555719e760, 24) = 0 [pid 1023] chdir("./60" [pid 1021] close(3 [pid 1024] set_robust_list(0x55555719e760, 24) = 0 [pid 1021] <... close resumed>) = 0 [pid 1023] <... chdir resumed>) = 0 [pid 1023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1023] setpgid(0, 0) = 0 [pid 1021] symlink("/dev/binderfs", "./binderfs" [pid 1024] chdir("./64" [pid 1021] <... symlink resumed>) = 0 [pid 1023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 1021] write(1, "executing program\n", 18) = 18 [pid 1023] <... openat resumed>) = 3 [pid 1021] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1024] <... chdir resumed>) = 0 [pid 1023] write(3, "1000", 4 [pid 1022] <... ioctl resumed>, 0x20001400) = 0 [pid 1021] <... bpf resumed>) = 3 [pid 1024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1023] <... write resumed>) = 4 [pid 1022] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1023] close(3 [pid 1022] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1024] <... prctl resumed>) = 0 [pid 1023] <... close resumed>) = 0 [pid 1022] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1021] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1021] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1024] setpgid(0, 0 [pid 1023] symlink("/dev/binderfs", "./binderfs" [pid 1022] <... bpf resumed>) = 7 executing program [pid 1024] <... setpgid resumed>) = 0 [pid 1023] <... symlink resumed>) = 0 [pid 1022] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1021] <... bpf resumed>) = 4 [pid 1023] write(1, "executing program\n", 18 [pid 1022] <... bpf resumed>) = 0 [pid 1021] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1023] <... write resumed>) = 18 [pid 1022] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1023] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1022] <... bpf resumed>) = 8 [pid 1024] <... openat resumed>) = 3 [pid 1023] <... bpf resumed>) = 3 [pid 1022] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1024] write(3, "1000", 4 [pid 1023] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1024] <... write resumed>) = 4 [pid 1024] close(3 [pid 1023] <... bpf resumed>) = 0 [pid 1024] <... close resumed>) = 0 [pid 1024] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1023] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program [pid 1024] write(1, "executing program\n", 18 [pid 1023] <... bpf resumed>) = 4 [pid 1021] <... bpf resumed>) = 5 [pid 1017] +++ exited with 0 +++ [pid 1024] <... write resumed>) = 18 [pid 1023] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1022] <... bpf resumed>) = 9 [pid 1021] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1024] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1023] <... bpf resumed>) = 5 [pid 1022] exit_group(0 [pid 1021] <... openat resumed>) = 6 [pid 1024] <... bpf resumed>) = 3 [pid 1023] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1022] <... exit_group resumed>) = ? [pid 1021] ioctl(6, PPPIOCNEWUNIT [pid 1024] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1023] <... openat resumed>) = 6 [pid 1021] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 297] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1024] <... bpf resumed>) = 0 [pid 1023] ioctl(6, PPPIOCNEWUNIT [pid 1021] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1024] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1021] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1024] <... bpf resumed>) = 4 [pid 1021] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... openat resumed>) = 3 [pid 1024] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1021] <... bpf resumed>) = 7 [pid 297] newfstatat(3, "", [pid 1024] <... bpf resumed>) = 5 [pid 1023] <... ioctl resumed>, 0x20001400) = 0 [pid 1021] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1024] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1023] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1021] <... bpf resumed>) = 0 [pid 297] getdents64(3, [pid 1024] <... openat resumed>) = 6 [pid 1023] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1021] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1024] ioctl(6, PPPIOCNEWUNIT [pid 1023] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1021] <... bpf resumed>) = 8 [pid 297] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1024] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1023] <... bpf resumed>) = 7 [pid 1021] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1024] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1023] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1021] <... bpf resumed>) = 9 [pid 297] newfstatat(AT_FDCWD, "./55/binderfs", [pid 1024] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1023] <... bpf resumed>) = 0 [pid 1021] exit_group(0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1024] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1023] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1021] <... exit_group resumed>) = ? [pid 297] unlink("./55/binderfs" [pid 1024] <... bpf resumed>) = 7 [pid 1023] <... bpf resumed>) = 8 [pid 1021] +++ exited with 0 +++ [pid 297] <... unlink resumed>) = 0 [pid 1024] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1023] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1021, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] getdents64(3, [pid 1024] <... bpf resumed>) = 0 [pid 1023] <... bpf resumed>) = 9 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1024] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1023] exit_group(0 [pid 297] close(3 [pid 1024] <... bpf resumed>) = 8 [pid 1023] <... exit_group resumed>) = ? [pid 298] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... close resumed>) = 0 [pid 1024] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] rmdir("./55" [pid 1024] <... bpf resumed>) = 9 [pid 298] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... rmdir resumed>) = 0 [pid 1024] exit_group(0 [pid 298] <... openat resumed>) = 3 [pid 297] mkdir("./56", 0777 [pid 1024] <... exit_group resumed>) = ? [pid 298] newfstatat(3, "", [pid 297] <... mkdir resumed>) = 0 [pid 1024] +++ exited with 0 +++ [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1027 attached [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1027 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1024, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1027] set_robust_list(0x55555719e760, 24 [pid 298] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./63/binderfs" [pid 1027] <... set_robust_list resumed>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, [pid 296] <... restart_syscall resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 296] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] rmdir("./63" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1027] chdir("./56" [pid 298] <... rmdir resumed>) = 0 [pid 296] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] mkdir("./64", 0777 [pid 296] <... openat resumed>) = 3 [pid 1027] <... chdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 296] newfstatat(3, "", [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 1028 attached [pid 1027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] getdents64(3, [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1028 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1027] <... prctl resumed>) = 0 [pid 1028] set_robust_list(0x55555719e760, 24 [pid 296] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1027] setpgid(0, 0 [pid 1028] <... set_robust_list resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./64/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./64" [pid 1027] <... setpgid resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./65", 0777 [pid 1027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1027] <... openat resumed>) = 3 [pid 1028] chdir("./64" [pid 1027] write(3, "1000", 4 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1029 ./strace-static-x86_64: Process 1029 attached [pid 1028] <... chdir resumed>) = 0 [pid 1027] <... write resumed>) = 4 [pid 1028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1027] close(3 [pid 1029] set_robust_list(0x55555719e760, 24) = 0 [pid 1028] <... prctl resumed>) = 0 [pid 1027] <... close resumed>) = 0 [pid 1027] symlink("/dev/binderfs", "./binderfs" [pid 1028] setpgid(0, 0) = 0 [pid 1027] <... symlink resumed>) = 0 [pid 1027] write(1, "executing program\n", 18executing program [pid 1028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1027] <... write resumed>) = 18 [pid 1029] chdir("./65" [pid 1028] <... openat resumed>) = 3 [pid 1027] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1028] write(3, "1000", 4 [pid 1029] <... chdir resumed>) = 0 [pid 1027] <... bpf resumed>) = 3 [pid 1028] <... write resumed>) = 4 [pid 1029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1028] close(3 [pid 1027] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1029] <... prctl resumed>) = 0 [pid 1028] <... close resumed>) = 0 [pid 1027] <... bpf resumed>) = 0 [pid 1029] setpgid(0, 0 [pid 1028] symlink("/dev/binderfs", "./binderfs" [pid 1027] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1029] <... setpgid resumed>) = 0 [pid 1028] <... symlink resumed>) = 0 [pid 1029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1028] write(1, "executing program\n", 18executing program [pid 1027] <... bpf resumed>) = 4 [pid 1029] <... openat resumed>) = 3 [pid 1028] <... write resumed>) = 18 [pid 1027] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1029] write(3, "1000", 4 [pid 1028] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1029] <... write resumed>) = 4 [pid 1028] <... bpf resumed>) = 3 [pid 1027] <... bpf resumed>) = 5 [pid 1029] close(3 [pid 1028] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1027] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1029] <... close resumed>) = 0 [pid 1028] <... bpf resumed>) = 0 [pid 1029] symlink("/dev/binderfs", "./binderfs" [pid 1028] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1027] <... openat resumed>) = 6 [pid 1029] <... symlink resumed>) = 0 [pid 1028] <... bpf resumed>) = 4 [pid 1027] ioctl(6, PPPIOCNEWUNIT [pid 1029] write(1, "executing program\n", 18 [pid 1028] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 executing program [pid 1029] <... write resumed>) = 18 [pid 1028] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1027] <... ioctl resumed>, 0x20001400) = 0 [pid 1023] +++ exited with 0 +++ [pid 1022] +++ exited with 0 +++ [pid 1029] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1028] <... openat resumed>) = 6 [pid 1027] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1022, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1023, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 1029] <... bpf resumed>) = 3 [pid 1028] ioctl(6, PPPIOCNEWUNIT [pid 1027] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1029] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1028] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1027] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1029] <... bpf resumed>) = 0 [pid 1028] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1027] <... bpf resumed>) = 7 [pid 299] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1029] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1028] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1027] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1029] <... bpf resumed>) = 4 [pid 1028] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1027] <... bpf resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 1029] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1028] <... bpf resumed>) = 7 [pid 1027] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 1029] <... bpf resumed>) = 5 [pid 1028] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1029] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1028] <... bpf resumed>) = 0 [pid 1027] <... bpf resumed>) = 8 [pid 299] getdents64(3, [pid 295] getdents64(3, [pid 1029] <... openat resumed>) = 6 [pid 1028] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1027] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1029] ioctl(6, PPPIOCNEWUNIT [pid 299] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1029] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1028] <... bpf resumed>) = 8 [pid 1027] <... bpf resumed>) = 9 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1029] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1028] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1027] exit_group(0 [pid 299] newfstatat(AT_FDCWD, "./66/binderfs", [pid 295] newfstatat(AT_FDCWD, "./60/binderfs", [pid 1029] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1028] <... bpf resumed>) = 9 [pid 1027] <... exit_group resumed>) = ? [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1029] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1028] exit_group(0 [pid 299] unlink("./66/binderfs" [pid 295] unlink("./60/binderfs" [pid 1029] <... bpf resumed>) = 7 [pid 1028] <... exit_group resumed>) = ? [pid 299] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 1029] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] getdents64(3, [pid 295] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 295] close(3 [pid 299] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 299] rmdir("./66" [pid 295] rmdir("./60" [pid 1028] +++ exited with 0 +++ [pid 1029] <... bpf resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1028, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] mkdir("./67", 0777 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 1029] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... mkdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... restart_syscall resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1032 [pid 1029] <... bpf resumed>) = 8 [pid 295] mkdir("./61", 0777 [pid 1029] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] <... mkdir resumed>) = 0 [pid 298] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1029] <... bpf resumed>) = 9 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 1032 attached [pid 1029] exit_group(0 [pid 298] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1032] set_robust_list(0x55555719e760, 24) = 0 [pid 1032] chdir("./67" [pid 1029] <... exit_group resumed>) = ? [pid 298] <... openat resumed>) = 3 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1033 [pid 1032] <... chdir resumed>) = 0 [pid 1032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1032] setpgid(0, 0 [pid 298] newfstatat(3, "", [pid 1029] +++ exited with 0 +++ [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1029, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] getdents64(3, [pid 296] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 1033 attached [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... restart_syscall resumed>) = 0 [pid 298] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./64/binderfs", [pid 296] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] unlink("./64/binderfs" [pid 296] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", [pid 298] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 296] getdents64(3, [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] close(3 [pid 296] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... close resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./65/binderfs", [pid 298] rmdir("./64" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./65/binderfs") = 0 [pid 298] <... rmdir resumed>) = 0 [pid 296] getdents64(3, [pid 298] mkdir("./65", 0777 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./65" [pid 298] <... mkdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] mkdir("./66", 0777) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1034 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1034 attached [pid 1033] set_robust_list(0x55555719e760, 24 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1035 [pid 1034] set_robust_list(0x55555719e760, 24 [pid 1033] <... set_robust_list resumed>) = 0 [pid 1032] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 1035 attached [pid 1032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1033] chdir("./61" [pid 1032] <... openat resumed>) = 3 [pid 1032] write(3, "1000", 4) = 4 [pid 1032] close(3) = 0 [pid 1032] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1032] write(1, "executing program\n", 18) = 18 [pid 1032] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1035] set_robust_list(0x55555719e760, 24 [pid 1034] <... set_robust_list resumed>) = 0 [pid 1033] <... chdir resumed>) = 0 [pid 1032] <... bpf resumed>) = 3 [pid 1032] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1032] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1035] <... set_robust_list resumed>) = 0 [pid 1034] chdir("./65" [pid 1033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1032] <... bpf resumed>) = 4 [pid 1032] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1034] <... chdir resumed>) = 0 [pid 1033] <... prctl resumed>) = 0 [pid 1032] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1032] ioctl(6, PPPIOCNEWUNIT [pid 1035] chdir("./66" [pid 1034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1033] setpgid(0, 0 [pid 1035] <... chdir resumed>) = 0 [pid 1034] <... prctl resumed>) = 0 [pid 1033] <... setpgid resumed>) = 0 [pid 1034] setpgid(0, 0) = 0 [pid 1032] <... ioctl resumed>, 0x20001400) = 0 [pid 1033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1032] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1032] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1032] <... bpf resumed>) = 7 [pid 1033] <... openat resumed>) = 3 [pid 1032] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1034] <... openat resumed>) = 3 [pid 1033] write(3, "1000", 4 [pid 1032] <... bpf resumed>) = 0 [pid 1032] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1034] write(3, "1000", 4 [pid 1033] <... write resumed>) = 4 [pid 1032] <... bpf resumed>) = 8 [pid 1032] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1034] <... write resumed>) = 4 [pid 1033] close(3 [pid 1032] exit_group(0) = ? [pid 1035] <... prctl resumed>) = 0 [pid 1034] close(3 [pid 1033] <... close resumed>) = 0 [pid 1034] <... close resumed>) = 0 [pid 1033] symlink("/dev/binderfs", "./binderfs" [pid 1035] setpgid(0, 0 [pid 1034] symlink("/dev/binderfs", "./binderfs" [pid 1033] <... symlink resumed>) = 0 [pid 1034] <... symlink resumed>) = 0 [pid 1035] <... setpgid resumed>) = 0 [pid 1033] write(1, "executing program\n", 18executing program [pid 1035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1034] write(1, "executing program\n", 18 [pid 1033] <... write resumed>) = 18 executing program [pid 1035] <... openat resumed>) = 3 [pid 1034] <... write resumed>) = 18 [pid 1033] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1034] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1035] write(3, "1000", 4 [pid 1033] <... bpf resumed>) = 3 [pid 1034] <... bpf resumed>) = 3 [pid 1033] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1035] <... write resumed>) = 4 [pid 1034] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1033] <... bpf resumed>) = 0 [pid 1035] close(3 [pid 1034] <... bpf resumed>) = 0 [pid 1033] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1035] <... close resumed>) = 0 [pid 1034] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1035] symlink("/dev/binderfs", "./binderfs" [pid 1033] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16executing program [pid 1034] <... bpf resumed>) = 4 [pid 1035] <... symlink resumed>) = 0 [pid 1035] write(1, "executing program\n", 18) = 18 [pid 1034] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1035] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1035] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1035] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1035] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1027] +++ exited with 0 +++ [pid 1033] <... bpf resumed>) = 5 [pid 1034] <... bpf resumed>) = 5 [pid 1033] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1035] <... bpf resumed>) = 5 [pid 1034] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1035] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1033] <... openat resumed>) = 6 [pid 1034] <... openat resumed>) = 6 [pid 1035] <... openat resumed>) = 6 [pid 1034] ioctl(6, PPPIOCNEWUNIT [pid 1033] ioctl(6, PPPIOCNEWUNIT [pid 1035] ioctl(6, PPPIOCNEWUNIT [pid 297] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1035] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1034] <... ioctl resumed>, 0x20001400) = 0 [pid 1033] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 297] <... openat resumed>) = 3 [pid 1033] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1035] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1034] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1033] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] newfstatat(3, "", [pid 1035] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1033] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1035] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1034] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1033] <... bpf resumed>) = 7 [pid 297] getdents64(3, [pid 1035] <... bpf resumed>) = 7 [pid 1033] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1034] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1035] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1033] <... bpf resumed>) = 0 [pid 297] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1035] <... bpf resumed>) = 0 [pid 1034] <... bpf resumed>) = 7 [pid 1033] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1035] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1033] <... bpf resumed>) = 8 [pid 1035] <... bpf resumed>) = 8 [pid 1035] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1034] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1033] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] newfstatat(AT_FDCWD, "./56/binderfs", [pid 1035] <... bpf resumed>) = 9 [pid 1034] <... bpf resumed>) = 0 [pid 1033] <... bpf resumed>) = 9 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1035] exit_group(0 [pid 297] unlink("./56/binderfs" [pid 1033] exit_group(0 [pid 297] <... unlink resumed>) = 0 [pid 1035] <... exit_group resumed>) = ? [pid 1034] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1033] <... exit_group resumed>) = ? [pid 297] getdents64(3, [pid 1035] +++ exited with 0 +++ [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./56") = 0 [pid 1033] +++ exited with 0 +++ [pid 297] mkdir("./57", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1034] <... bpf resumed>) = 8 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1035, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1042 [pid 1034] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16./strace-static-x86_64: Process 1042 attached [pid 296] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./66/binderfs", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./61/binderfs", [pid 296] unlink("./66/binderfs" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] unlink("./61/binderfs" [pid 296] getdents64(3, [pid 295] <... unlink resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] getdents64(3, [pid 296] close(3 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... close resumed>) = 0 [pid 295] close(3 [pid 296] rmdir("./66" [pid 295] <... close resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 295] rmdir("./61" [pid 296] mkdir("./67", 0777 [pid 295] <... rmdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 295] mkdir("./62", 0777 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1043 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1044 [pid 1042] set_robust_list(0x55555719e760, 24./strace-static-x86_64: Process 1044 attached ) = 0 [pid 1044] set_robust_list(0x55555719e760, 24 [pid 1042] chdir("./57") = 0 [pid 1044] <... set_robust_list resumed>) = 0 [pid 1042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1044] chdir("./62" [pid 1042] <... prctl resumed>) = 0 [pid 1042] setpgid(0, 0 [pid 1044] <... chdir resumed>) = 0 [pid 1044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1042] <... setpgid resumed>) = 0 [pid 1044] <... prctl resumed>) = 0 [pid 1042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 1043 attached [pid 1043] set_robust_list(0x55555719e760, 24) = 0 [pid 1043] chdir("./67") = 0 [pid 1043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1043] setpgid(0, 0) = 0 [pid 1043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1044] setpgid(0, 0 [pid 1042] <... openat resumed>) = 3 [pid 1042] write(3, "1000", 4 [pid 1044] <... setpgid resumed>) = 0 [pid 1043] write(3, "1000", 4) = 4 [pid 1043] close(3) = 0 [pid 1043] symlink("/dev/binderfs", "./binderfs" [pid 1042] <... write resumed>) = 4 [pid 1043] <... symlink resumed>) = 0 [pid 1042] close(3 [pid 1043] write(1, "executing program\n", 18 [pid 1042] <... close resumed>) = 0 executing program [pid 1043] <... write resumed>) = 18 [pid 1043] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1042] symlink("/dev/binderfs", "./binderfs" [pid 1043] <... bpf resumed>) = 3 [pid 1043] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1043] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1042] <... symlink resumed>) = 0 [pid 1044] <... openat resumed>) = 3 [pid 1042] write(1, "executing program\n", 18executing program ) = 18 [pid 1044] write(3, "1000", 4 [pid 1042] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1044] <... write resumed>) = 4 [pid 1042] <... bpf resumed>) = 3 [pid 1044] close(3 [pid 1043] <... bpf resumed>) = 4 [pid 1042] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1044] <... close resumed>) = 0 [pid 1042] <... bpf resumed>) = 0 [pid 1042] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1044] symlink("/dev/binderfs", "./binderfs" [pid 1043] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1042] <... bpf resumed>) = 4 [pid 1042] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1044] <... symlink resumed>) = 0 [pid 1044] write(1, "executing program\n", 18executing program ) = 18 [pid 1044] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1044] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1044] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1044] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1032] +++ exited with 0 +++ [pid 1043] <... bpf resumed>) = 5 [pid 1034] <... bpf resumed>) = 9 [pid 1042] <... bpf resumed>) = 5 [pid 1043] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1042] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1034] exit_group(0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1032, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1042] <... openat resumed>) = 6 [pid 1034] <... exit_group resumed>) = ? [pid 1042] ioctl(6, PPPIOCNEWUNIT [pid 1043] <... openat resumed>) = 6 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 1043] ioctl(6, PPPIOCNEWUNIT [pid 299] <... restart_syscall resumed>) = 0 [pid 1043] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1043] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 299] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1043] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1043] <... bpf resumed>) = 7 [pid 299] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1043] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... openat resumed>) = 3 [pid 1043] <... bpf resumed>) = 0 [pid 299] newfstatat(3, "", [pid 1043] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1043] <... bpf resumed>) = 8 [pid 299] getdents64(3, [pid 1043] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1043] <... bpf resumed>) = 9 [pid 299] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1043] exit_group(0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1043] <... exit_group resumed>) = ? [pid 299] newfstatat(AT_FDCWD, "./67/binderfs", [pid 1043] +++ exited with 0 +++ [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./67/binderfs") = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./67") = 0 [pid 299] mkdir("./68", 0777) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1043, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1048 ./strace-static-x86_64: Process 1048 attached [pid 1048] set_robust_list(0x55555719e760, 24 [pid 296] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1048] <... set_robust_list resumed>) = 0 [pid 1048] chdir("./68") = 0 [pid 1048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", [pid 1044] <... bpf resumed>) = 5 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1044] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1044] <... openat resumed>) = 6 [pid 296] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1048] setpgid(0, 0 [pid 1044] ioctl(6, PPPIOCNEWUNIT [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./67/binderfs", [pid 1042] <... ioctl resumed>, 0x20001400) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1048] <... setpgid resumed>) = 0 [pid 1044] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1042] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] unlink("./67/binderfs" [pid 1044] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1042] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... unlink resumed>) = 0 [pid 1044] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1042] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1044] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] getdents64(3, [pid 1042] <... bpf resumed>) = 7 [pid 1042] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1044] <... bpf resumed>) = 7 [pid 1042] <... bpf resumed>) = 0 [pid 296] close(3 [pid 1042] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1044] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] <... close resumed>) = 0 [pid 1048] <... openat resumed>) = 3 [pid 1048] write(3, "1000", 4) = 4 [pid 1048] close(3 [pid 1042] <... bpf resumed>) = 8 [pid 1044] <... bpf resumed>) = 0 [pid 296] rmdir("./67" [pid 1042] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1048] <... close resumed>) = 0 [pid 1048] symlink("/dev/binderfs", "./binderfs" [pid 296] <... rmdir resumed>) = 0 [pid 1042] <... bpf resumed>) = 9 executing program [pid 1044] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] mkdir("./68", 0777 [pid 1042] exit_group(0 [pid 1048] <... symlink resumed>) = 0 [pid 1048] write(1, "executing program\n", 18) = 18 [pid 296] <... mkdir resumed>) = 0 [pid 1042] <... exit_group resumed>) = ? [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1048] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1048] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1048] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1049 [pid 1044] <... bpf resumed>) = 8 [pid 1048] <... bpf resumed>) = 4 [pid 1048] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1048] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1044] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1048] <... openat resumed>) = 6 [pid 1044] <... bpf resumed>) = 9 [pid 1044] exit_group(0) = ? [pid 1048] ioctl(6, PPPIOCNEWUNIT [pid 1044] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1044, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 295] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./62/binderfs") = 0 ./strace-static-x86_64: Process 1049 attached [pid 1049] set_robust_list(0x55555719e760, 24 [pid 295] getdents64(3, [pid 1049] <... set_robust_list resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./62" [pid 1049] chdir("./68" [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./63", 0777 [pid 1049] <... chdir resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1050 [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 1049] write(3, "1000", 4) = 4 [pid 1049] close(3) = 0 [pid 1049] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1049] write(1, "executing program\n", 18./strace-static-x86_64: Process 1050 attached executing program [pid 1050] set_robust_list(0x55555719e760, 24 [pid 1049] <... write resumed>) = 18 [pid 1050] <... set_robust_list resumed>) = 0 [pid 1049] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1050] chdir("./63" [pid 1049] <... bpf resumed>) = 3 [pid 1050] <... chdir resumed>) = 0 [pid 1049] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1049] <... bpf resumed>) = 0 [pid 1050] <... prctl resumed>) = 0 [pid 1050] setpgid(0, 0 [pid 1049] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1050] <... setpgid resumed>) = 0 [pid 1050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1049] <... bpf resumed>) = 4 [pid 1050] <... openat resumed>) = 3 [pid 1049] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1050] write(3, "1000", 4 [pid 1049] <... bpf resumed>) = 5 [pid 1050] <... write resumed>) = 4 [pid 1049] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1048] <... ioctl resumed>, 0x20001400) = 0 [pid 1050] close(3 [pid 1049] <... openat resumed>) = 6 [pid 1048] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1050] <... close resumed>) = 0 [pid 1049] ioctl(6, PPPIOCNEWUNIT [pid 1048] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1050] symlink("/dev/binderfs", "./binderfs" [pid 1049] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1048] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 1050] <... symlink resumed>) = 0 [pid 1049] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1048] <... bpf resumed>) = 7 [pid 1050] write(1, "executing program\n", 18 [pid 1049] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1048] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1050] <... write resumed>) = 18 [pid 1049] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1048] <... bpf resumed>) = 0 [pid 1050] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1049] <... bpf resumed>) = 7 [pid 1048] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1050] <... bpf resumed>) = 3 [pid 1049] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1048] <... bpf resumed>) = 8 [pid 1050] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1049] <... bpf resumed>) = 0 [pid 1048] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1050] <... bpf resumed>) = 0 [pid 1049] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1048] <... bpf resumed>) = 9 [pid 1050] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1049] <... bpf resumed>) = 8 [pid 1048] exit_group(0 [pid 1049] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1048] <... exit_group resumed>) = ? [pid 1049] <... bpf resumed>) = 9 [pid 1049] exit_group(0) = ? [pid 1049] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1049, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1050] <... bpf resumed>) = 4 [pid 1050] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1034] +++ exited with 0 +++ [pid 1050] <... bpf resumed>) = 5 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1050] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1034, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1050] ioctl(6, PPPIOCNEWUNIT [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 296] <... openat resumed>) = 3 [pid 298] <... restart_syscall resumed>) = 0 [pid 1050] <... ioctl resumed>, 0x20001400) = 0 [pid 1048] +++ exited with 0 +++ [pid 296] newfstatat(3, "", [pid 1050] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1048, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1050] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] getdents64(3, [pid 1050] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1050] <... bpf resumed>) = 7 [pid 299] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1050] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... openat resumed>) = 3 [pid 296] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1050] <... bpf resumed>) = 0 [pid 299] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] newfstatat(3, "", [pid 1050] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... openat resumed>) = 3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1050] <... bpf resumed>) = 8 [pid 299] getdents64(3, [pid 298] getdents64(3, [pid 296] newfstatat(AT_FDCWD, "./68/binderfs", [pid 1050] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] unlink("./68/binderfs" [pid 299] newfstatat(AT_FDCWD, "./68/binderfs", [pid 298] newfstatat(AT_FDCWD, "./65/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 299] unlink("./68/binderfs" [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] getdents64(3, [pid 299] <... unlink resumed>) = 0 [pid 298] unlink("./65/binderfs" [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] getdents64(3, [pid 298] <... unlink resumed>) = 0 [pid 296] close(3 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] getdents64(3, [pid 296] <... close resumed>) = 0 [pid 299] close(3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] rmdir("./68" [pid 299] <... close resumed>) = 0 [pid 298] close(3 [pid 299] rmdir("./68") = 0 [pid 298] <... close resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 299] mkdir("./69", 0777 [pid 298] rmdir("./65" [pid 296] mkdir("./69", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... rmdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1054 [pid 298] mkdir("./66", 0777 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1055 attached [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1055 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1056 [pid 1055] set_robust_list(0x55555719e760, 24) = 0 [pid 1055] chdir("./69") = 0 [pid 1055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 1054 attached [pid 1055] setpgid(0, 0 [pid 1054] set_robust_list(0x55555719e760, 24) = 0 [pid 1055] <... setpgid resumed>) = 0 [pid 1054] chdir("./69" [pid 1055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1054] <... chdir resumed>) = 0 [pid 1054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1055] <... openat resumed>) = 3 [pid 1054] setpgid(0, 0 [pid 1055] write(3, "1000", 4) = 4 [pid 1055] close(3) = 0 [pid 1055] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1054] <... setpgid resumed>) = 0 [pid 1055] write(1, "executing program\n", 18executing program [pid 1054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1055] <... write resumed>) = 18 [pid 1055] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1055] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1055] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1054] <... openat resumed>) = 3 [pid 1055] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1054] write(3, "1000", 4) = 4 [pid 1054] close(3./strace-static-x86_64: Process 1056 attached ) = 0 [pid 1056] set_robust_list(0x55555719e760, 24 [pid 1054] symlink("/dev/binderfs", "./binderfs" [pid 1042] +++ exited with 0 +++ [pid 1056] <... set_robust_list resumed>) = 0 [pid 1055] <... bpf resumed>) = 5 [pid 1050] <... bpf resumed>) = 9 [pid 1055] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1050] exit_group(0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1042, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1050] <... exit_group resumed>) = ? [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 1055] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1055] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1055] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1055] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1055] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... restart_syscall resumed>) = 0 [pid 1055] <... bpf resumed>) = 8 [pid 1054] <... symlink resumed>) = 0 [pid 1056] chdir("./66" [pid 1055] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1056] <... chdir resumed>) = 0 [pid 1054] write(1, "executing program\n", 18 [pid 297] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 1054] <... write resumed>) = 18 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1055] <... bpf resumed>) = 9 [pid 1054] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1056] <... prctl resumed>) = 0 [pid 1055] exit_group(0 [pid 1054] <... bpf resumed>) = 3 [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1054] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 297] getdents64(3, [pid 1056] setpgid(0, 0 [pid 1055] <... exit_group resumed>) = ? [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1054] <... bpf resumed>) = 0 [pid 297] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1056] <... setpgid resumed>) = 0 [pid 1055] +++ exited with 0 +++ [pid 1054] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./57/binderfs", [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 297] unlink("./57/binderfs" [pid 296] <... restart_syscall resumed>) = 0 [pid 1056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... unlink resumed>) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1056] <... openat resumed>) = 3 [pid 297] close(3 [pid 1056] write(3, "1000", 4 [pid 297] <... close resumed>) = 0 [pid 296] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] rmdir("./57" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1056] <... write resumed>) = 4 [pid 1056] close(3) = 0 [pid 1056] symlink("/dev/binderfs", "./binderfs") = 0 [pid 297] <... rmdir resumed>) = 0 executing program [pid 296] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1054] <... bpf resumed>) = 4 [pid 297] mkdir("./58", 0777 [pid 1054] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] <... openat resumed>) = 3 [pid 1056] write(1, "executing program\n", 18) = 18 [pid 1056] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 297] <... mkdir resumed>) = 0 [pid 296] newfstatat(3, "", [pid 1056] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1054] <... bpf resumed>) = 5 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1056] <... bpf resumed>) = 0 [pid 1054] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1056] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1054] <... openat resumed>) = 6 [pid 296] getdents64(3, [pid 1056] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16executing program [pid 1054] ioctl(6, PPPIOCNEWUNIT [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1059 [pid 1056] <... bpf resumed>) = 5 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1056] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1056] <... openat resumed>) = 6 [pid 1056] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1059 attached [pid 1059] set_robust_list(0x55555719e760, 24) = 0 [pid 1059] chdir("./58" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1059] <... chdir resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./69/binderfs" [pid 1059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1059] setpgid(0, 0) = 0 [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 1059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 1059] <... openat resumed>) = 3 [pid 296] <... close resumed>) = 0 [pid 1059] write(3, "1000", 4 [pid 296] rmdir("./69" [pid 1059] <... write resumed>) = 4 [pid 1059] close(3) = 0 [pid 1059] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1059] write(1, "executing program\n", 18) = 18 [pid 1059] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1059] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1059] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./70", 0777 [pid 1059] <... bpf resumed>) = 4 [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1059] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1059] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1059] ioctl(6, PPPIOCNEWUNIT [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1060 ./strace-static-x86_64: Process 1060 attached [pid 1060] set_robust_list(0x55555719e760, 24) = 0 [pid 1056] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1054] <... ioctl resumed>, 0x20001400) = 0 [pid 1056] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1054] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1059] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1056] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1054] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1059] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1056] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1054] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1059] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1056] <... bpf resumed>) = 7 [pid 1059] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1056] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1054] <... bpf resumed>) = 7 [pid 1059] <... bpf resumed>) = 7 [pid 1056] <... bpf resumed>) = 0 [pid 1054] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1059] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1056] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1059] <... bpf resumed>) = 0 [pid 1056] <... bpf resumed>) = 8 [pid 1054] <... bpf resumed>) = 0 [pid 1059] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1056] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1054] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1059] <... bpf resumed>) = 8 [pid 1056] <... bpf resumed>) = 9 [pid 1059] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1056] exit_group(0 [pid 1059] <... bpf resumed>) = 9 [pid 1056] <... exit_group resumed>) = ? [pid 1059] exit_group(0 [pid 1056] +++ exited with 0 +++ [pid 1050] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1056, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1050, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1059] <... exit_group resumed>) = ? [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 298] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1054] <... bpf resumed>) = 8 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1054] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... restart_syscall resumed>) = 0 [pid 1060] chdir("./70" [pid 298] <... openat resumed>) = 3 [pid 1060] <... chdir resumed>) = 0 [pid 298] newfstatat(3, "", [pid 295] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] getdents64(3, [pid 295] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... openat resumed>) = 3 [pid 1060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(3, "", [pid 298] newfstatat(AT_FDCWD, "./66/binderfs", [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] getdents64(3, [pid 298] unlink("./66/binderfs" [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1060] <... prctl resumed>) = 0 [pid 1060] setpgid(0, 0) = 0 [pid 298] <... unlink resumed>) = 0 [pid 295] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] getdents64(3, [pid 1060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] close(3 [pid 295] newfstatat(AT_FDCWD, "./63/binderfs", [pid 1060] <... openat resumed>) = 3 [pid 298] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] rmdir("./66" [pid 295] unlink("./63/binderfs" [pid 1060] write(3, "1000", 4) = 4 [pid 1060] close(3) = 0 [pid 1060] symlink("/dev/binderfs", "./binderfs" [pid 298] <... rmdir resumed>) = 0 executing program [pid 1060] <... symlink resumed>) = 0 [pid 298] mkdir("./67", 0777 [pid 295] <... unlink resumed>) = 0 [pid 1060] write(1, "executing program\n", 18) = 18 [pid 1060] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... mkdir resumed>) = 0 [pid 295] getdents64(3, [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1060] <... bpf resumed>) = 3 [pid 1060] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1060] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] close(3 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1061 [pid 295] <... close resumed>) = 0 [pid 1060] <... bpf resumed>) = 4 [pid 295] rmdir("./63" [pid 1060] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 1061 attached [pid 1061] set_robust_list(0x55555719e760, 24 [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./64", 0777 [pid 1061] <... set_robust_list resumed>) = 0 [pid 1061] chdir("./67") = 0 [pid 1061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1061] setpgid(0, 0 [pid 295] <... mkdir resumed>) = 0 [pid 1061] <... setpgid resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1061] write(3, "1000", 4) = 4 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1062 [pid 1061] close(3) = 0 [pid 1061] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1061] write(1, "executing program\n", 18) = 18 [pid 1061] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1061] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1061] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1061] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1060] <... bpf resumed>) = 5 [pid 1059] +++ exited with 0 +++ [pid 1054] <... bpf resumed>) = 9 [pid 1060] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1054] exit_group(0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1060] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1054] <... exit_group resumed>) = ? [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 1060] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1060] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1060] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1060] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 297] <... restart_syscall resumed>) = 0 [pid 1060] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1060] exit_group(0) = ? [pid 1060] +++ exited with 0 +++ [pid 297] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1060, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1061] <... bpf resumed>) = 5 [pid 1061] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] <... openat resumed>) = 3 [pid 1061] <... openat resumed>) = 6 [pid 297] newfstatat(3, "", [pid 1061] ioctl(6, PPPIOCNEWUNIT [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1062 attached [pid 1062] set_robust_list(0x55555719e760, 24) = 0 [pid 1062] chdir("./64" [pid 297] newfstatat(AT_FDCWD, "./58/binderfs", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1062] <... chdir resumed>) = 0 [pid 1062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1062] setpgid(0, 0) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] unlink("./58/binderfs" [pid 296] <... openat resumed>) = 3 [pid 1062] <... openat resumed>) = 3 [pid 297] <... unlink resumed>) = 0 [pid 296] newfstatat(3, "", [pid 1062] write(3, "1000", 4) = 4 [pid 1062] close(3) = 0 [pid 1062] symlink("/dev/binderfs", "./binderfs" [pid 297] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1062] <... symlink resumed>) = 0 [pid 296] getdents64(3, [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 executing program [pid 1062] write(1, "executing program\n", 18) = 18 [pid 1062] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] close(3 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1062] <... bpf resumed>) = 3 [pid 1062] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... close resumed>) = 0 [pid 1062] <... bpf resumed>) = 0 [pid 1062] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] rmdir("./58" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1062] <... bpf resumed>) = 4 [pid 297] <... rmdir resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./70/binderfs", [pid 1061] <... ioctl resumed>, 0x20001400) = 0 [pid 1061] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1061] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] mkdir("./59", 0777 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1061] <... bpf resumed>) = 7 [pid 1061] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1061] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 297] <... mkdir resumed>) = 0 [pid 296] unlink("./70/binderfs" [pid 1061] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1061] exit_group(0) = ? [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... unlink resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1066 [pid 1062] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1062] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1062] ioctl(6, PPPIOCNEWUNIT [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./70"./strace-static-x86_64: Process 1066 attached [pid 1066] set_robust_list(0x55555719e760, 24) = 0 [pid 1066] chdir("./59") = 0 [pid 1066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... rmdir resumed>) = 0 [pid 1066] <... prctl resumed>) = 0 [pid 1066] setpgid(0, 0) = 0 [pid 1066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1066] write(3, "1000", 4) = 4 [pid 1066] close(3) = 0 [pid 1066] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1066] write(1, "executing program\n", 18 executing program [pid 296] mkdir("./71", 0777 [pid 1066] <... write resumed>) = 18 [pid 1066] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 296] <... mkdir resumed>) = 0 [pid 1066] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1066] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1066] <... bpf resumed>) = 4 [pid 1062] <... ioctl resumed>, 0x20001400) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1068 [pid 1062] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1062] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1062] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1062] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1062] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1062] exit_group(0) = ? [pid 1054] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1054, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 1066] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1066] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1066] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1068 attached [pid 1068] set_robust_list(0x55555719e760, 24) = 0 [pid 1068] chdir("./71" [pid 299] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1066] <... ioctl resumed>, 0x20001400) = 0 [pid 1066] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1066] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1068] <... chdir resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1066] <... bpf resumed>) = 7 [pid 1066] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1066] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1068] <... prctl resumed>) = 0 [pid 1066] <... bpf resumed>) = 8 [pid 299] <... openat resumed>) = 3 [pid 1066] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1068] setpgid(0, 0 [pid 1066] <... bpf resumed>) = 9 [pid 299] newfstatat(3, "", [pid 1066] exit_group(0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1068] <... setpgid resumed>) = 0 [pid 1066] <... exit_group resumed>) = ? [pid 1068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] getdents64(3, [pid 1068] <... openat resumed>) = 3 [pid 1068] write(3, "1000", 4 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1068] <... write resumed>) = 4 [pid 299] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1068] close(3 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1068] <... close resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./69/binderfs", [pid 1068] symlink("/dev/binderfs", "./binderfs" [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1068] <... symlink resumed>) = 0 [pid 299] unlink("./69/binderfs"executing program [pid 1068] write(1, "executing program\n", 18) = 18 [pid 299] <... unlink resumed>) = 0 [pid 1068] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] getdents64(3, [pid 1068] <... bpf resumed>) = 3 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1068] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] close(3) = 0 [pid 1068] <... bpf resumed>) = 0 [pid 299] rmdir("./69" [pid 1068] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... rmdir resumed>) = 0 [pid 1068] <... bpf resumed>) = 4 [pid 299] mkdir("./70", 0777 [pid 1068] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1061] +++ exited with 0 +++ [pid 299] <... mkdir resumed>) = 0 [pid 1068] <... bpf resumed>) = 5 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1061, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 1072 attached [pid 1068] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1072] set_robust_list(0x55555719e760, 24 [pid 1068] <... openat resumed>) = 6 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1072 [pid 1068] ioctl(6, PPPIOCNEWUNIT [pid 298] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1072] <... set_robust_list resumed>) = 0 [pid 1068] <... ioctl resumed>, 0x20001400) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1068] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1068] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1068] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... openat resumed>) = 3 [pid 1072] chdir("./70" [pid 1068] <... bpf resumed>) = 7 [pid 298] newfstatat(3, "", [pid 1072] <... chdir resumed>) = 0 [pid 1072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1068] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 1068] <... bpf resumed>) = 0 [pid 1072] <... prctl resumed>) = 0 [pid 1068] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1072] setpgid(0, 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1068] <... bpf resumed>) = 8 [pid 298] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1072] <... setpgid resumed>) = 0 [pid 1068] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./67/binderfs", [pid 1068] <... bpf resumed>) = 9 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./67/binderfs" [pid 1068] exit_group(0 [pid 1072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1068] <... exit_group resumed>) = ? [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 1072] <... openat resumed>) = 3 [pid 298] <... close resumed>) = 0 [pid 298] rmdir("./67" [pid 1072] write(3, "1000", 4) = 4 [pid 298] <... rmdir resumed>) = 0 [pid 1072] close(3 [pid 298] mkdir("./68", 0777) = 0 [pid 1072] <... close resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1072] symlink("/dev/binderfs", "./binderfs" [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1074 ./strace-static-x86_64: Process 1074 attached [pid 1074] set_robust_list(0x55555719e760, 24) = 0 [pid 1074] chdir("./68" [pid 1072] <... symlink resumed>) = 0 [pid 1072] write(1, "executing program\n", 18 [pid 1074] <... chdir resumed>) = 0 [pid 1074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1074] setpgid(0, 0executing program ) = 0 [pid 1074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1072] <... write resumed>) = 18 [pid 1074] <... openat resumed>) = 3 [pid 1074] write(3, "1000", 4 [pid 1072] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1072] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1074] <... write resumed>) = 4 [pid 1074] close(3) = 0 [pid 1074] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1072] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1074] write(1, "executing program\n", 18 [pid 1072] <... bpf resumed>) = 4 [pid 1072] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16executing program ) = 5 [pid 1072] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1074] <... write resumed>) = 18 [pid 1074] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1072] <... openat resumed>) = 6 [pid 1074] <... bpf resumed>) = 3 [pid 1074] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1072] ioctl(6, PPPIOCNEWUNIT [pid 1074] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1072] <... ioctl resumed>, 0x20001400) = 0 [pid 1074] <... bpf resumed>) = 4 [pid 1072] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1074] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1072] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1074] <... bpf resumed>) = 5 [pid 1072] <... bpf resumed>) = 7 [pid 1074] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1072] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1074] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1072] <... bpf resumed>) = 0 [pid 1074] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1072] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1074] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1074] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1074] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1072] <... bpf resumed>) = 8 [pid 1074] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1072] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1074] <... bpf resumed>) = 8 [pid 1072] <... bpf resumed>) = 9 [pid 1074] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1072] exit_group(0 [pid 1074] exit_group(0 [pid 1072] <... exit_group resumed>) = ? [pid 1074] <... exit_group resumed>) = ? [pid 1074] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./68/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./68") = 0 [pid 298] mkdir("./69", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1076 ./strace-static-x86_64: Process 1076 attached [pid 1076] set_robust_list(0x55555719e760, 24) = 0 [pid 1076] chdir("./69") = 0 [pid 1076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1076] setpgid(0, 0) = 0 [pid 1076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1076] write(3, "1000", 4) = 4 [pid 1076] close(3) = 0 [pid 1076] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1076] write(1, "executing program\n", 18) = 18 [pid 1076] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1076] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1076] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1076] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1076] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1076] ioctl(6, PPPIOCNEWUNIT [pid 1066] +++ exited with 0 +++ [pid 1062] +++ exited with 0 +++ [pid 1076] <... ioctl resumed>, 0x20001400) = 0 [pid 1076] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1076] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1066, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1076] <... bpf resumed>) = 7 [pid 1076] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1076] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 297] <... restart_syscall resumed>) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 297] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... openat resumed>) = 3 [pid 1076] <... bpf resumed>) = 8 [pid 1076] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1076] exit_group(0 [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 1076] <... exit_group resumed>) = ? [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 295] getdents64(3, [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./64/binderfs", [pid 297] newfstatat(AT_FDCWD, "./59/binderfs", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./64/binderfs" [pid 297] unlink("./59/binderfs") = 0 [pid 297] getdents64(3, [pid 295] <... unlink resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] getdents64(3, [pid 297] close(3 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3 [pid 297] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 297] rmdir("./59") = 0 [pid 295] rmdir("./64" [pid 297] mkdir("./60", 0777 [pid 295] <... rmdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 295] mkdir("./65", 0777 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1078 ./strace-static-x86_64: Process 1078 attached [pid 1078] set_robust_list(0x55555719e760, 24) = 0 [pid 1078] chdir("./60") = 0 [pid 1078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1078] setpgid(0, 0) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1079 [pid 1078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1078] write(3, "1000", 4) = 4 [pid 1078] close(3) = 0 [pid 1078] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1078] write(1, "executing program\n", 18) = 18 [pid 1078] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1078] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1078] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1078] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1078] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1079 attached [pid 1079] set_robust_list(0x55555719e760, 24) = 0 [pid 1079] chdir("./65"executing program ) = 0 [pid 1079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1079] setpgid(0, 0) = 0 [pid 1079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1079] write(3, "1000", 4) = 4 [pid 1079] close(3) = 0 [pid 1079] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1079] write(1, "executing program\n", 18) = 18 [pid 1079] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1079] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1079] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1078] <... ioctl resumed>, 0x20001400) = 0 [pid 1078] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1078] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1078] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1079] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1078] <... bpf resumed>) = 0 [pid 1078] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1079] <... bpf resumed>) = 5 [pid 1078] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1079] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1078] exit_group(0) = ? [pid 1079] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1079] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1072] +++ exited with 0 +++ [pid 1068] +++ exited with 0 +++ [pid 1079] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1072, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 1079] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1068, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1079] <... bpf resumed>) = 7 [pid 299] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... openat resumed>) = 3 [pid 299] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1079] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] newfstatat(3, "", [pid 296] getdents64(3, [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./70/binderfs", [pid 296] newfstatat(AT_FDCWD, "./71/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./70/binderfs" [pid 296] unlink("./71/binderfs" [pid 299] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 296] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 296] close(3 [pid 299] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 299] rmdir("./70" [pid 296] rmdir("./71" [pid 299] <... rmdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 299] mkdir("./71", 0777 [pid 296] mkdir("./72", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1081 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1082 [pid 1079] <... bpf resumed>) = 0 ./strace-static-x86_64: Process 1082 attached [pid 1079] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1082] set_robust_list(0x55555719e760, 24) = 0 [pid 1079] <... bpf resumed>) = 8 [pid 1079] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1079] exit_group(0) = ? ./strace-static-x86_64: Process 1081 attached [pid 1081] set_robust_list(0x55555719e760, 24) = 0 [pid 1081] chdir("./71") = 0 [pid 1081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1081] setpgid(0, 0) = 0 [pid 1081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1081] write(3, "1000", 4) = 4 [pid 1081] close(3) = 0 [pid 1081] symlink("/dev/binderfs", "./binderfs" [pid 1082] chdir("./72") = 0 [pid 1081] <... symlink resumed>) = 0 [pid 1081] write(1, "executing program\n", 18executing program ) = 18 [pid 1081] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1081] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1081] <... bpf resumed>) = 0 [pid 1081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1082] <... prctl resumed>) = 0 [pid 1081] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1081] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1081] ioctl(6, PPPIOCNEWUNIT [pid 1082] setpgid(0, 0) = 0 [pid 1082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1082] write(3, "1000", 4) = 4 [pid 1082] close(3) = 0 [pid 1082] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1082] write(1, "executing program\n", 18executing program ) = 18 [pid 1082] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1082] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1082] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1082] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1082] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1082] ioctl(6, PPPIOCNEWUNIT [pid 1081] <... ioctl resumed>, 0x20001400) = 0 [pid 1081] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1078] +++ exited with 0 +++ [pid 1076] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1076, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1079] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1078, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1081] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1079, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1081] <... bpf resumed>) = 7 [pid 298] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1081] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1081] <... bpf resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", [pid 297] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... openat resumed>) = 3 [pid 298] getdents64(3, [pid 297] newfstatat(3, "", [pid 1081] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] getdents64(3, [pid 295] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./69/binderfs", [pid 297] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] unlink("./69/binderfs" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... openat resumed>) = 3 [pid 1082] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1081] <... bpf resumed>) = 8 [pid 298] <... unlink resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./60/binderfs", [pid 295] newfstatat(3, "", [pid 1082] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1082] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] unlink("./60/binderfs" [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1082] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] close(3 [pid 297] <... unlink resumed>) = 0 [pid 297] getdents64(3, [pid 295] getdents64(3, [pid 298] <... close resumed>) = 0 [pid 1081] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1082] <... bpf resumed>) = 7 [pid 1081] exit_group(0 [pid 298] rmdir("./69" [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1081] <... exit_group resumed>) = ? executing program [pid 1082] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... rmdir resumed>) = 0 [pid 297] close(3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1082] <... bpf resumed>) = 0 [pid 298] mkdir("./70", 0777 [pid 297] <... close resumed>) = 0 [pid 1082] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] newfstatat(AT_FDCWD, "./65/binderfs", [pid 298] <... mkdir resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./65/binderfs" [pid 297] rmdir("./60" [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 297] <... rmdir resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] mkdir("./61", 0777 [pid 295] close(3./strace-static-x86_64: Process 1084 attached ) = 0 [pid 1084] set_robust_list(0x55555719e760, 24) = 0 [pid 1084] chdir("./70" [pid 297] <... mkdir resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1084 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] rmdir("./65" [pid 1084] <... chdir resumed>) = 0 [pid 1084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1084] setpgid(0, 0) = 0 [pid 1084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1085 [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./66", 0777 [pid 1084] write(3, "1000", 4) = 4 [pid 1084] close(3) = 0 [pid 1084] symlink("/dev/binderfs", "./binderfs") = 0 [pid 295] <... mkdir resumed>) = 0 [pid 1084] write(1, "executing program\n", 18 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1084] <... write resumed>) = 18 [pid 1084] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1084] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1086 [pid 1084] <... bpf resumed>) = 0 [pid 1084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1082] <... bpf resumed>) = 8 [pid 1082] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1084] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1082] <... bpf resumed>) = 9 [pid 1084] <... bpf resumed>) = 5 [pid 1084] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1082] exit_group(0) = ? [pid 1084] <... openat resumed>) = 6 [pid 1084] ioctl(6, PPPIOCNEWUNIT [pid 1082] +++ exited with 0 +++ ./strace-static-x86_64: Process 1085 attached [pid 1085] set_robust_list(0x55555719e760, 24 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1082, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1085] <... set_robust_list resumed>) = 0 [pid 1085] chdir("./61" [pid 296] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1085] <... chdir resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1085] <... prctl resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 1085] setpgid(0, 0 [pid 296] newfstatat(3, "", [pid 1085] <... setpgid resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] getdents64(3, [pid 1085] <... openat resumed>) = 3 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1085] write(3, "1000", 4 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1085] <... write resumed>) = 4 [pid 296] newfstatat(AT_FDCWD, "./72/binderfs", [pid 1085] close(3 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./72/binderfs"executing program [pid 1085] <... close resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 1085] symlink("/dev/binderfs", "./binderfs" [pid 296] getdents64(3, [pid 1085] <... symlink resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1085] write(1, "executing program\n", 18 [pid 296] close(3 [pid 1085] <... write resumed>) = 18 [pid 296] <... close resumed>) = 0 [pid 1085] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] rmdir("./72" [pid 1085] <... bpf resumed>) = 3 [pid 1085] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1085] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./73", 0777./strace-static-x86_64: Process 1086 attached [pid 1085] <... bpf resumed>) = 4 [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1086] set_robust_list(0x55555719e760, 24 [pid 1085] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1084] <... ioctl resumed>, 0x20001400) = 0 [pid 1086] <... set_robust_list resumed>) = 0 [pid 1085] <... bpf resumed>) = 5 [pid 1084] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1087 [pid 1086] chdir("./66" [pid 1085] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1084] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1086] <... chdir resumed>) = 0 [pid 1085] <... openat resumed>) = 6 [pid 1084] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1085] ioctl(6, PPPIOCNEWUNIT [pid 1084] <... bpf resumed>) = 7 [pid 1086] <... prctl resumed>) = 0 [pid 1085] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1084] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1086] setpgid(0, 0 [pid 1085] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1084] <... bpf resumed>) = 0 [pid 1086] <... setpgid resumed>) = 0 [pid 1085] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1084] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1085] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1084] <... bpf resumed>) = 8 ./strace-static-x86_64: Process 1087 attached [pid 1086] <... openat resumed>) = 3 [pid 1085] <... bpf resumed>) = 7 [pid 1084] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1087] set_robust_list(0x55555719e760, 24 [pid 1086] write(3, "1000", 4 [pid 1085] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1084] <... bpf resumed>) = 9 [pid 1087] <... set_robust_list resumed>) = 0 [pid 1086] <... write resumed>) = 4 [pid 1085] <... bpf resumed>) = 0 [pid 1084] exit_group(0 [pid 1087] chdir("./73" [pid 1086] close(3 [pid 1085] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1084] <... exit_group resumed>) = ? [pid 1087] <... chdir resumed>) = 0 [pid 1086] <... close resumed>) = 0 [pid 1085] <... bpf resumed>) = 8 [pid 1087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1086] symlink("/dev/binderfs", "./binderfs" [pid 1085] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1087] <... prctl resumed>) = 0 [pid 1086] <... symlink resumed>) = 0 [pid 1085] <... bpf resumed>) = 9 [pid 1087] setpgid(0, 0 [pid 1086] write(1, "executing program\n", 18executing program [pid 1085] exit_group(0 [pid 1087] <... setpgid resumed>) = 0 [pid 1086] <... write resumed>) = 18 [pid 1085] <... exit_group resumed>) = ? [pid 1087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1086] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1085] +++ exited with 0 +++ [pid 1086] <... bpf resumed>) = 3 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1087] <... openat resumed>) = 3 [pid 1087] write(3, "1000", 4 [pid 1086] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1087] <... write resumed>) = 4 [pid 1086] <... bpf resumed>) = 0 [pid 1087] close(3 [pid 1086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1087] <... close resumed>) = 0 [pid 1086] <... bpf resumed>) = 4 [pid 1087] symlink("/dev/binderfs", "./binderfs" [pid 1086] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1087] <... symlink resumed>) = 0 [pid 1086] <... bpf resumed>) = 5 executing program [pid 1087] write(1, "executing program\n", 18 [pid 1086] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1087] <... write resumed>) = 18 [pid 1086] <... openat resumed>) = 6 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1087] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1086] ioctl(6, PPPIOCNEWUNIT [pid 297] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1087] <... bpf resumed>) = 3 [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1087] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1086] <... ioctl resumed>, 0x20001400) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1087] <... bpf resumed>) = 0 [pid 1086] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] newfstatat(AT_FDCWD, "./61/binderfs", [pid 1087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1086] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./61/binderfs") = 0 [pid 297] getdents64(3, [pid 1087] <... bpf resumed>) = 4 [pid 1086] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1087] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1086] <... bpf resumed>) = 7 [pid 1081] +++ exited with 0 +++ [pid 297] close(3 [pid 1087] <... bpf resumed>) = 5 [pid 1086] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1081, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... close resumed>) = 0 [pid 1087] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1086] <... bpf resumed>) = 0 [pid 297] rmdir("./61" [pid 1086] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1087] <... openat resumed>) = 6 [pid 1086] <... bpf resumed>) = 8 [pid 299] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... rmdir resumed>) = 0 [pid 1087] ioctl(6, PPPIOCNEWUNIT [pid 1086] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] mkdir("./62", 0777 [pid 1086] <... bpf resumed>) = 9 [pid 1087] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 297] <... mkdir resumed>) = 0 [pid 1086] exit_group(0 [pid 1087] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1086] <... exit_group resumed>) = ? [pid 1087] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1087] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... openat resumed>) = 3 ./strace-static-x86_64: Process 1091 attached [pid 1087] <... bpf resumed>) = 7 [pid 299] newfstatat(3, "", [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1091 [pid 1091] set_robust_list(0x55555719e760, 24 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1087] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1091] <... set_robust_list resumed>) = 0 [pid 1087] <... bpf resumed>) = 0 [pid 299] getdents64(3, [pid 1091] chdir("./62" [pid 1087] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1091] <... chdir resumed>) = 0 [pid 1091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1091] setpgid(0, 0) = 0 [pid 1091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1091] write(3, "1000", 4 [pid 1087] <... bpf resumed>) = 8 [pid 299] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1087] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1091] <... write resumed>) = 4 [pid 1091] close(3) = 0 [pid 1091] symlink("/dev/binderfs", "./binderfs" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1087] <... bpf resumed>) = 9 [pid 299] newfstatat(AT_FDCWD, "./71/binderfs", executing program {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1091] <... symlink resumed>) = 0 [pid 1091] write(1, "executing program\n", 18) = 18 [pid 1091] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1087] exit_group(0 [pid 1091] <... bpf resumed>) = 3 [pid 1091] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] unlink("./71/binderfs" [pid 1087] <... exit_group resumed>) = ? [pid 299] <... unlink resumed>) = 0 [pid 1091] <... bpf resumed>) = 4 [pid 1091] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1087] +++ exited with 0 +++ [pid 1091] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1091] ioctl(6, PPPIOCNEWUNIT [pid 299] getdents64(3, [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] close(3 [pid 296] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... close resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 299] rmdir("./71" [pid 296] newfstatat(3, "", [pid 299] <... rmdir resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 299] mkdir("./72", 0777 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1091] <... ioctl resumed>, 0x20001400) = 0 [pid 1084] +++ exited with 0 +++ [pid 299] <... mkdir resumed>) = 0 [pid 296] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1091] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1091] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1091] <... bpf resumed>) = 7 [pid 1091] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1091] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] newfstatat(AT_FDCWD, "./73/binderfs", [pid 1091] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 298] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1094 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1091] exit_group(0 [pid 296] unlink("./73/binderfs" [pid 298] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1091] <... exit_group resumed>) = ? [pid 298] <... openat resumed>) = 3 [pid 296] <... unlink resumed>) = 0 [pid 298] newfstatat(3, "", [pid 296] getdents64(3, [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] getdents64(3, [pid 296] close(3./strace-static-x86_64: Process 1094 attached [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... close resumed>) = 0 [pid 1094] set_robust_list(0x55555719e760, 24 [pid 298] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] rmdir("./73" [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... rmdir resumed>) = 0 [pid 298] newfstatat(AT_FDCWD, "./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./70/binderfs" [pid 296] mkdir("./74", 0777 [pid 298] <... unlink resumed>) = 0 [pid 1094] <... set_robust_list resumed>) = 0 [pid 298] getdents64(3, [pid 296] <... mkdir resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] close(3 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1096 [pid 298] <... close resumed>) = 0 [pid 1094] chdir("./72" [pid 298] rmdir("./70" [pid 1094] <... chdir resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./71", 0777) = 0 [pid 1094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1097 attached [pid 1094] setpgid(0, 0./strace-static-x86_64: Process 1096 attached [pid 1096] set_robust_list(0x55555719e760, 24) = 0 [pid 1094] <... setpgid resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1097 [pid 1096] chdir("./74") = 0 [pid 1096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1096] <... prctl resumed>) = 0 [pid 1096] setpgid(0, 0) = 0 [pid 1094] <... openat resumed>) = 3 [pid 1097] set_robust_list(0x55555719e760, 24) = 0 [pid 1094] write(3, "1000", 4 [pid 1096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1094] <... write resumed>) = 4 [pid 1096] write(3, "1000", 4) = 4 [pid 1096] close(3) = 0 [pid 1096] symlink("/dev/binderfs", "./binderfs" [pid 1094] close(3) = 0 executing program [pid 1096] <... symlink resumed>) = 0 [pid 1096] write(1, "executing program\n", 18) = 18 [pid 1096] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1097] chdir("./71" [pid 1094] symlink("/dev/binderfs", "./binderfs" [pid 1096] <... bpf resumed>) = 3 [pid 1097] <... chdir resumed>) = 0 [pid 1094] <... symlink resumed>) = 0 [pid 1096] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 executing program [pid 1096] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1094] write(1, "executing program\n", 18 [pid 1096] <... bpf resumed>) = 4 [pid 1096] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1096] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1096] ioctl(6, PPPIOCNEWUNIT [pid 1097] <... prctl resumed>) = 0 [pid 1094] <... write resumed>) = 18 [pid 1096] <... ioctl resumed>, 0x20001400) = 0 [pid 1086] +++ exited with 0 +++ [pid 1096] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1096] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1096] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1096] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1096] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1097] setpgid(0, 0) = 0 [pid 1096] exit_group(0 [pid 1094] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1096] <... exit_group resumed>) = ? [pid 1097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1094] <... bpf resumed>) = 3 [pid 295] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 1094] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1097] <... openat resumed>) = 3 [pid 1094] <... bpf resumed>) = 0 [pid 1094] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1097] write(3, "1000", 4) = 4 [pid 1094] <... bpf resumed>) = 4 [pid 295] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1097] close(3 [pid 1094] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1097] <... close resumed>) = 0 [pid 1094] <... bpf resumed>) = 5 [pid 295] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 1097] symlink("/dev/binderfs", "./binderfs" [pid 1094] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] newfstatat(3, "", [pid 1097] <... symlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1097] write(1, "executing program\n", 18 [pid 1094] <... openat resumed>) = 6 executing program [pid 295] getdents64(3, [pid 1097] <... write resumed>) = 18 [pid 1094] ioctl(6, PPPIOCNEWUNIT [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1097] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1097] <... bpf resumed>) = 3 [pid 1094] <... ioctl resumed>, 0x20001400) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1097] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1094] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] newfstatat(AT_FDCWD, "./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1097] <... bpf resumed>) = 0 [pid 295] unlink("./66/binderfs" [pid 1097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... unlink resumed>) = 0 [pid 1094] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1097] <... bpf resumed>) = 4 [pid 295] getdents64(3, [pid 1094] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1097] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1094] <... bpf resumed>) = 7 [pid 295] close(3) = 0 [pid 295] rmdir("./66" [pid 1097] <... bpf resumed>) = 5 [pid 1094] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] <... rmdir resumed>) = 0 [pid 1097] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1094] <... bpf resumed>) = 0 [pid 295] mkdir("./67", 0777 [pid 1094] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... mkdir resumed>) = 0 [pid 1094] <... bpf resumed>) = 8 [pid 1097] <... openat resumed>) = 6 [pid 1094] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1097] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1094] <... bpf resumed>) = 9 [pid 1097] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1094] exit_group(0 [pid 1097] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1102 [pid 1094] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 1102 attached [pid 1097] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1097] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1097] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1097] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1097] exit_group(0) = ? [pid 1097] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1097, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./71/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./71") = 0 [pid 298] mkdir("./72", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1105 [pid 1102] set_robust_list(0x55555719e760, 24) = 0 [pid 1102] chdir("./67") = 0 [pid 1102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1102] setpgid(0, 0 [pid 1091] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 1102] <... setpgid resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 297] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1102] <... openat resumed>) = 3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1102] write(3, "1000", 4 [pid 297] newfstatat(AT_FDCWD, "./62/binderfs", [pid 1102] <... write resumed>) = 4 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1102] close(3 [pid 297] unlink("./62/binderfs" [pid 1102] <... close resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 1102] symlink("/dev/binderfs", "./binderfs" [pid 297] getdents64(3, [pid 1102] <... symlink resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 executing program [pid 1102] write(1, "executing program\n", 18 [pid 297] close(3 [pid 1102] <... write resumed>) = 18 [pid 297] <... close resumed>) = 0 [pid 1102] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] rmdir("./62" [pid 1102] <... bpf resumed>) = 3 [pid 297] <... rmdir resumed>) = 0 [pid 1102] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 297] mkdir("./63", 0777 [pid 1102] <... bpf resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 1102] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1105 attached [pid 1102] <... bpf resumed>) = 4 [pid 1105] set_robust_list(0x55555719e760, 24 [pid 1102] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1107 [pid 1105] <... set_robust_list resumed>) = 0 [pid 1102] <... bpf resumed>) = 5 [pid 1105] chdir("./72" [pid 1102] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1105] <... chdir resumed>) = 0 [pid 1102] <... openat resumed>) = 6 [pid 1105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1102] ioctl(6, PPPIOCNEWUNIT [pid 1105] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 1107 attached [pid 1105] setpgid(0, 0 [pid 1107] set_robust_list(0x55555719e760, 24 [pid 1105] <... setpgid resumed>) = 0 [pid 1107] <... set_robust_list resumed>) = 0 [pid 1105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1102] <... ioctl resumed>, 0x20001400) = 0 [pid 1105] <... openat resumed>) = 3 [pid 1102] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1105] write(3, "1000", 4 [pid 1107] chdir("./63" [pid 1105] <... write resumed>) = 4 [pid 1107] <... chdir resumed>) = 0 [pid 1105] close(3 [pid 1102] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1105] <... close resumed>) = 0 [pid 1107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1105] symlink("/dev/binderfs", "./binderfs" [pid 1102] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 1107] <... prctl resumed>) = 0 [pid 1105] <... symlink resumed>) = 0 [pid 1102] <... bpf resumed>) = 7 [pid 1107] setpgid(0, 0 [pid 1105] write(1, "executing program\n", 18 [pid 1102] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1107] <... setpgid resumed>) = 0 [pid 1105] <... write resumed>) = 18 [pid 1102] <... bpf resumed>) = 0 [pid 1105] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1102] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1105] <... bpf resumed>) = 3 [pid 1102] <... bpf resumed>) = 8 [pid 1102] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1102] exit_group(0) = ? [pid 1107] <... openat resumed>) = 3 [pid 1105] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1107] write(3, "1000", 4 [pid 1105] <... bpf resumed>) = 0 [pid 1107] <... write resumed>) = 4 [pid 1105] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1107] close(3) = 0 [pid 1105] <... bpf resumed>) = 4 [pid 1107] symlink("/dev/binderfs", "./binderfs" [pid 1105] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1107] <... symlink resumed>) = 0 [pid 1105] <... bpf resumed>) = 5 executing program [pid 1107] write(1, "executing program\n", 18) = 18 [pid 1105] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1107] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1105] <... openat resumed>) = 6 [pid 1107] <... bpf resumed>) = 3 [pid 1105] ioctl(6, PPPIOCNEWUNIT [pid 1107] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1107] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1105] <... ioctl resumed>, 0x20001400) = 0 [pid 1096] +++ exited with 0 +++ [pid 1094] +++ exited with 0 +++ [pid 1107] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1105] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1107] <... bpf resumed>) = 5 [pid 1105] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1107] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1105] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1107] <... openat resumed>) = 6 [pid 1105] <... bpf resumed>) = 7 [pid 299] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1107] ioctl(6, PPPIOCNEWUNIT [pid 1105] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1107] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1105] <... bpf resumed>) = 0 [pid 299] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1107] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1105] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... openat resumed>) = 3 [pid 296] <... openat resumed>) = 3 [pid 1107] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] newfstatat(3, "", [pid 296] newfstatat(3, "", [pid 1107] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1105] <... bpf resumed>) = 8 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1107] <... bpf resumed>) = 7 [pid 1105] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] getdents64(3, [pid 296] getdents64(3, [pid 1107] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1105] <... bpf resumed>) = 9 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1107] <... bpf resumed>) = 0 [pid 1105] exit_group(0 [pid 299] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1107] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1105] <... exit_group resumed>) = ? [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1107] <... bpf resumed>) = 8 [pid 299] newfstatat(AT_FDCWD, "./72/binderfs", [pid 296] newfstatat(AT_FDCWD, "./74/binderfs", [pid 1107] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1107] <... bpf resumed>) = 9 [pid 299] unlink("./72/binderfs" [pid 296] unlink("./74/binderfs" [pid 1107] exit_group(0 [pid 299] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 1107] <... exit_group resumed>) = ? [pid 299] getdents64(3, [pid 296] getdents64(3, [pid 1107] +++ exited with 0 +++ [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] close(3 [pid 299] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 299] rmdir("./72" [pid 296] rmdir("./74" [pid 299] <... rmdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 299] mkdir("./73", 0777 [pid 296] mkdir("./75", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1113 [pid 297] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1114 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./63/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./63") = 0 [pid 297] mkdir("./64", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1113 attached , child_tidptr=0x55555719e750) = 1115 ./strace-static-x86_64: Process 1114 attached [pid 1114] set_robust_list(0x55555719e760, 24) = 0 [pid 1114] chdir("./75") = 0 [pid 1114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1114] setpgid(0, 0) = 0 [pid 1114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1113] set_robust_list(0x55555719e760, 24) = 0 [pid 1113] chdir("./73") = 0 [pid 1113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1113] setpgid(0, 0) = 0 [pid 1113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1113] write(3, "1000", 4./strace-static-x86_64: Process 1115 attached [pid 1114] write(3, "1000", 4 [pid 1115] set_robust_list(0x55555719e760, 24 [pid 1113] <... write resumed>) = 4 [pid 1115] <... set_robust_list resumed>) = 0 [pid 1114] <... write resumed>) = 4 [pid 1113] close(3 [pid 1115] chdir("./64" [pid 1114] close(3 [pid 1113] <... close resumed>) = 0 [pid 1115] <... chdir resumed>) = 0 [pid 1114] <... close resumed>) = 0 [pid 1115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1114] symlink("/dev/binderfs", "./binderfs" [pid 1115] <... prctl resumed>) = 0 [pid 1114] <... symlink resumed>) = 0 [pid 1113] symlink("/dev/binderfs", "./binderfs"executing program [pid 1115] setpgid(0, 0 [pid 1114] write(1, "executing program\n", 18 [pid 1113] <... symlink resumed>) = 0 executing program [pid 1115] <... setpgid resumed>) = 0 [pid 1114] <... write resumed>) = 18 [pid 1113] write(1, "executing program\n", 18 [pid 1115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1114] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1113] <... write resumed>) = 18 [pid 1115] <... openat resumed>) = 3 [pid 1114] <... bpf resumed>) = 3 [pid 1113] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1115] write(3, "1000", 4 [pid 1114] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1113] <... bpf resumed>) = 3 [pid 1115] <... write resumed>) = 4 [pid 1114] <... bpf resumed>) = 0 [pid 1113] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1115] close(3 [pid 1114] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1113] <... bpf resumed>) = 0 [pid 1115] <... close resumed>) = 0 [pid 1114] <... bpf resumed>) = 4 [pid 1113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1115] symlink("/dev/binderfs", "./binderfs" [pid 1114] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16executing program [pid 1115] <... symlink resumed>) = 0 [pid 1114] <... bpf resumed>) = 5 [pid 1113] <... bpf resumed>) = 4 [pid 1115] write(1, "executing program\n", 18 [pid 1114] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1113] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1115] <... write resumed>) = 18 [pid 1114] <... openat resumed>) = 6 [pid 1113] <... bpf resumed>) = 5 [pid 1115] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1114] ioctl(6, PPPIOCNEWUNIT [pid 1113] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1115] <... bpf resumed>) = 3 [pid 1114] <... ioctl resumed>, 0x20001400) = 0 [pid 1102] +++ exited with 0 +++ [pid 1115] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1114] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1115] <... bpf resumed>) = 0 [pid 1114] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1113] <... openat resumed>) = 6 [pid 1115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1114] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1113] ioctl(6, PPPIOCNEWUNIT [pid 1115] <... bpf resumed>) = 4 [pid 1114] <... bpf resumed>) = 7 [pid 1113] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1115] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1114] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1115] <... bpf resumed>) = 5 [pid 1114] <... bpf resumed>) = 0 [pid 1115] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1114] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1115] <... openat resumed>) = 6 [pid 1114] <... bpf resumed>) = 8 [pid 1113] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1115] ioctl(6, PPPIOCNEWUNIT [pid 1114] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1113] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1115] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1114] <... bpf resumed>) = 9 [pid 1113] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] <... openat resumed>) = 3 [pid 1115] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1114] exit_group(0 [pid 1113] <... bpf resumed>) = 7 [pid 295] newfstatat(3, "", [pid 1115] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1114] <... exit_group resumed>) = ? [pid 1113] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1115] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1113] <... bpf resumed>) = 0 [pid 295] getdents64(3, [pid 1115] <... bpf resumed>) = 7 [pid 1113] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1105] +++ exited with 0 +++ [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1115] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1115] <... bpf resumed>) = 0 [pid 1113] <... bpf resumed>) = 8 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1115] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1113] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] newfstatat(AT_FDCWD, "./67/binderfs", [pid 1115] <... bpf resumed>) = 8 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1115] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1113] <... bpf resumed>) = 9 [pid 298] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] unlink("./67/binderfs" [pid 1115] <... bpf resumed>) = 9 [pid 1113] exit_group(0 [pid 298] <... openat resumed>) = 3 [pid 295] <... unlink resumed>) = 0 [pid 1115] exit_group(0 [pid 1113] <... exit_group resumed>) = ? [pid 298] newfstatat(3, "", [pid 295] getdents64(3, [pid 1115] <... exit_group resumed>) = ? [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1113] +++ exited with 0 +++ [pid 298] getdents64(3, [pid 295] close(3 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... close resumed>) = 0 [pid 298] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] rmdir("./67" [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... rmdir resumed>) = 0 [pid 299] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] newfstatat(AT_FDCWD, "./72/binderfs", [pid 295] mkdir("./68", 0777 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 299] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] unlink("./72/binderfs" [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... openat resumed>) = 3 [pid 298] <... unlink resumed>) = 0 [pid 299] newfstatat(3, "", [pid 298] getdents64(3, [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1122 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] getdents64(3, [pid 298] close(3 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... close resumed>) = 0 [pid 299] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] rmdir("./72" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... rmdir resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./73/binderfs", [pid 298] mkdir("./73", 0777 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 299] unlink("./73/binderfs" [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1122 attached [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1124 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 1122] set_robust_list(0x55555719e760, 24 [pid 299] <... close resumed>) = 0 [pid 1122] <... set_robust_list resumed>) = 0 [pid 299] rmdir("./73" [pid 1122] chdir("./68" [pid 299] <... rmdir resumed>) = 0 [pid 1122] <... chdir resumed>) = 0 [pid 299] mkdir("./74", 0777 [pid 1122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... mkdir resumed>) = 0 [pid 1122] <... prctl resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1122] setpgid(0, 0) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1125 [pid 1122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1115] +++ exited with 0 +++ [pid 1122] <... openat resumed>) = 3 [pid 1122] write(3, "1000", 4 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1122] <... write resumed>) = 4 [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 1124 attached [pid 1122] close(3) = 0 [pid 1124] set_robust_list(0x55555719e760, 24 [pid 1122] symlink("/dev/binderfs", "./binderfs" [pid 297] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1124] <... set_robust_list resumed>) = 0 [pid 1122] <... symlink resumed>) = 0 executing program [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1124] chdir("./73" [pid 1122] write(1, "executing program\n", 18 [pid 297] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1124] <... chdir resumed>) = 0 [pid 1122] <... write resumed>) = 18 [pid 297] <... openat resumed>) = 3 [pid 1124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1122] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] newfstatat(3, "", [pid 1124] <... prctl resumed>) = 0 [pid 1122] <... bpf resumed>) = 3 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1124] setpgid(0, 0 [pid 1122] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 297] getdents64(3, [pid 1124] <... setpgid resumed>) = 0 [pid 1122] <... bpf resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1122] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./64/binderfs", [pid 1124] <... openat resumed>) = 3 [pid 1122] <... bpf resumed>) = 4 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1124] write(3, "1000", 4 [pid 1122] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] unlink("./64/binderfs" [pid 1124] <... write resumed>) = 4 [pid 1122] <... bpf resumed>) = 5 [pid 297] <... unlink resumed>) = 0 [pid 1124] close(3 [pid 1122] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] getdents64(3, [pid 1124] <... close resumed>) = 0 [pid 1122] <... openat resumed>) = 6 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3./strace-static-x86_64: Process 1125 attached ) = 0 [pid 1125] set_robust_list(0x55555719e760, 24 [pid 297] rmdir("./64" [pid 1125] <... set_robust_list resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 1125] chdir("./74" [pid 297] mkdir("./65", 0777 [pid 1125] <... chdir resumed>) = 0 [pid 1122] ioctl(6, PPPIOCNEWUNIT [pid 297] <... mkdir resumed>) = 0 [pid 1125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1124] symlink("/dev/binderfs", "./binderfs" [pid 1122] <... ioctl resumed>, 0x20001400) = 0 [pid 1125] <... prctl resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1122] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1125] setpgid(0, 0 [pid 1122] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1125] <... setpgid resumed>) = 0 executing program [pid 1124] <... symlink resumed>) = 0 [pid 1122] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1126 ./strace-static-x86_64: Process 1126 attached [pid 1125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1125] write(3, "1000", 4) = 4 [pid 1125] close(3) = 0 [pid 1124] write(1, "executing program\n", 18 [pid 1122] <... bpf resumed>) = 7 [pid 1125] symlink("/dev/binderfs", "./binderfs" [pid 1124] <... write resumed>) = 18 [pid 1122] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1125] <... symlink resumed>) = 0 executing program [pid 1124] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1122] <... bpf resumed>) = 0 [pid 1126] set_robust_list(0x55555719e760, 24 [pid 1125] write(1, "executing program\n", 18) = 18 [pid 1125] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1124] <... bpf resumed>) = 3 [pid 1122] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1125] <... bpf resumed>) = 3 [pid 1124] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1125] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1125] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1124] <... bpf resumed>) = 0 [pid 1122] <... bpf resumed>) = 8 [pid 1125] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1124] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1122] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1125] <... bpf resumed>) = 5 [pid 1125] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1125] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1124] <... bpf resumed>) = 4 [pid 1122] <... bpf resumed>) = 9 [pid 1125] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1124] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1122] exit_group(0 [pid 1125] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1124] <... bpf resumed>) = 5 [pid 1126] <... set_robust_list resumed>) = 0 [pid 1125] <... bpf resumed>) = 7 [pid 1124] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1122] <... exit_group resumed>) = ? [pid 1125] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1124] <... openat resumed>) = 6 [pid 1125] <... bpf resumed>) = 0 [pid 1125] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1124] ioctl(6, PPPIOCNEWUNIT [pid 1125] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1125] exit_group(0) = ? [pid 1126] chdir("./65" [pid 1124] <... ioctl resumed>, 0x20001400) = 0 [pid 1126] <... chdir resumed>) = 0 [pid 1124] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1124] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1126] <... prctl resumed>) = 0 [pid 1124] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1126] setpgid(0, 0 [pid 1124] <... bpf resumed>) = 7 [pid 1126] <... setpgid resumed>) = 0 [pid 1124] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1125] +++ exited with 0 +++ [pid 1124] <... bpf resumed>) = 0 [pid 1126] <... openat resumed>) = 3 [pid 1124] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1126] write(3, "1000", 4 [pid 1124] <... bpf resumed>) = 8 [pid 1114] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1126] <... write resumed>) = 4 [pid 1124] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1126] close(3 [pid 1124] <... bpf resumed>) = 9 [pid 1126] <... close resumed>) = 0 [pid 1124] exit_group(0 [pid 299] <... restart_syscall resumed>) = 0 [pid 1126] symlink("/dev/binderfs", "./binderfs" [pid 1124] <... exit_group resumed>) = ? [pid 299] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1126] <... symlink resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1126] write(1, "executing program\n", 18 [pid 299] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 1126] <... write resumed>) = 18 [pid 299] <... openat resumed>) = 3 [pid 296] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1126] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] newfstatat(3, "", [pid 296] <... openat resumed>) = 3 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] newfstatat(3, "", [pid 299] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1126] <... bpf resumed>) = 3 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] getdents64(3, [pid 1126] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 299] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1126] <... bpf resumed>) = 4 [pid 299] newfstatat(AT_FDCWD, "./74/binderfs", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1126] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(AT_FDCWD, "./75/binderfs", [pid 1126] <... bpf resumed>) = 5 [pid 299] unlink("./74/binderfs" [pid 1126] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1126] <... openat resumed>) = 6 [pid 299] <... unlink resumed>) = 0 [pid 296] unlink("./75/binderfs" [pid 1126] ioctl(6, PPPIOCNEWUNIT [pid 299] getdents64(3, [pid 1126] <... ioctl resumed>, 0x20001400) = 0 [pid 296] <... unlink resumed>) = 0 [pid 1126] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1126] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] getdents64(3, [pid 1126] <... bpf resumed>) = 7 [pid 1126] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] close(3 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... close resumed>) = 0 [pid 296] close(3 [pid 299] rmdir("./74" [pid 296] <... close resumed>) = 0 [pid 1126] <... bpf resumed>) = 0 [pid 1126] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 299] <... rmdir resumed>) = 0 [pid 296] rmdir("./75" [pid 1126] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 299] mkdir("./75", 0777 [pid 1126] exit_group(0 [pid 296] <... rmdir resumed>) = 0 [pid 1126] <... exit_group resumed>) = ? [pid 299] <... mkdir resumed>) = 0 [pid 296] mkdir("./76", 0777 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1127 attached [pid 296] <... mkdir resumed>) = 0 [pid 1127] set_robust_list(0x55555719e760, 24 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1127 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1128 attached [pid 1127] <... set_robust_list resumed>) = 0 [pid 1128] set_robust_list(0x55555719e760, 24 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1128 [pid 1128] <... set_robust_list resumed>) = 0 [pid 1128] chdir("./76") = 0 [pid 1128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1128] setpgid(0, 0) = 0 [pid 1128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1128] write(3, "1000", 4) = 4 [pid 1128] close(3) = 0 [pid 1128] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1127] chdir("./75" [pid 1128] write(1, "executing program\n", 18 executing program [pid 1127] <... chdir resumed>) = 0 [pid 1128] <... write resumed>) = 18 [pid 1127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1128] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1127] <... prctl resumed>) = 0 [pid 1128] <... bpf resumed>) = 3 [pid 1127] setpgid(0, 0 [pid 1128] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1127] <... setpgid resumed>) = 0 [pid 1128] <... bpf resumed>) = 0 [pid 1127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1128] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1127] <... openat resumed>) = 3 [pid 1128] <... bpf resumed>) = 4 [pid 1127] write(3, "1000", 4 [pid 1128] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1127] <... write resumed>) = 4 [pid 1128] <... bpf resumed>) = 5 [pid 1127] close(3 [pid 1128] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1127] <... close resumed>) = 0 [pid 1128] <... openat resumed>) = 6 [pid 1127] symlink("/dev/binderfs", "./binderfs" [pid 1128] ioctl(6, PPPIOCNEWUNITexecuting program , 0x20001400) = 0 [pid 1127] <... symlink resumed>) = 0 [pid 1127] write(1, "executing program\n", 18) = 18 [pid 1128] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1127] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1128] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1128] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1127] <... bpf resumed>) = 3 [pid 1127] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1127] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1128] <... bpf resumed>) = 7 [pid 1128] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1127] <... bpf resumed>) = 4 [pid 1128] <... bpf resumed>) = 0 [pid 1127] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1128] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1127] <... bpf resumed>) = 5 [pid 1127] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1127] ioctl(6, PPPIOCNEWUNIT [pid 1128] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1127] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1122] +++ exited with 0 +++ [pid 1128] exit_group(0 [pid 1127] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1128] <... exit_group resumed>) = ? [pid 1127] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1127] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1127] <... bpf resumed>) = 7 [pid 1127] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] <... restart_syscall resumed>) = 0 [pid 1127] <... bpf resumed>) = 0 [pid 1127] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 295] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1127] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1127] <... bpf resumed>) = 9 [pid 295] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1127] exit_group(0 [pid 295] <... openat resumed>) = 3 [pid 1127] <... exit_group resumed>) = ? [pid 295] newfstatat(3, "", [pid 1127] +++ exited with 0 +++ [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 295] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./68/binderfs") = 0 [pid 295] getdents64(3, [pid 299] <... restart_syscall resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 299] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] rmdir("./68" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... rmdir resumed>) = 0 [pid 299] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] mkdir("./69", 0777 [pid 299] <... openat resumed>) = 3 [pid 295] <... mkdir resumed>) = 0 [pid 299] newfstatat(3, "", [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1132 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./75/binderfs") = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./75") = 0 [pid 299] mkdir("./76", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1133 ./strace-static-x86_64: Process 1133 attached [pid 1133] set_robust_list(0x55555719e760, 24) = 0 [pid 1133] chdir("./76") = 0 [pid 1133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1133] setpgid(0, 0) = 0 [pid 1133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1133] write(3, "1000", 4) = 4 [pid 1133] close(3) = 0 [pid 1133] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1133] write(1, "executing program\n", 18) = 18 [pid 1133] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1133] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1124] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./73/binderfs") = 0 ./strace-static-x86_64: Process 1132 attached [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1132] set_robust_list(0x55555719e760, 24 [pid 298] close(3) = 0 [pid 298] rmdir("./73" [pid 1132] <... set_robust_list resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./74", 0777 [pid 1132] chdir("./69" [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1132] <... chdir resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1135 [pid 1132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1133] <... bpf resumed>) = 4 [pid 1133] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 1135 attached [pid 1135] set_robust_list(0x55555719e760, 24) = 0 [pid 1135] chdir("./74") = 0 [pid 1135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1135] setpgid(0, 0) = 0 [pid 1132] <... prctl resumed>) = 0 [pid 1132] setpgid(0, 0) = 0 [pid 1135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1135] write(3, "1000", 4) = 4 [pid 1135] close(3) = 0 [pid 1135] symlink("/dev/binderfs", "./binderfs" [pid 1132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1135] <... symlink resumed>) = 0 [pid 1132] <... openat resumed>) = 3 [pid 1135] write(1, "executing program\n", 18 executing program [pid 1132] write(3, "1000", 4 [pid 1135] <... write resumed>) = 18 [pid 1135] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1132] <... write resumed>) = 4 [pid 1132] close(3 [pid 1135] <... bpf resumed>) = 3 [pid 1135] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program [pid 1132] <... close resumed>) = 0 [pid 1132] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1132] write(1, "executing program\n", 18) = 18 [pid 1132] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1132] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1132] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1135] <... bpf resumed>) = 4 [pid 1135] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1132] <... bpf resumed>) = 4 [pid 1132] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1126] +++ exited with 0 +++ [pid 1133] <... bpf resumed>) = 5 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1135] <... bpf resumed>) = 5 [pid 1132] <... bpf resumed>) = 5 [pid 1128] +++ exited with 0 +++ [pid 1135] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1133] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1132] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1135] <... openat resumed>) = 6 [pid 1133] <... openat resumed>) = 6 [pid 1132] <... openat resumed>) = 6 [pid 1135] ioctl(6, PPPIOCNEWUNIT [pid 1133] ioctl(6, PPPIOCNEWUNIT [pid 1132] ioctl(6, PPPIOCNEWUNIT [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... openat resumed>) = 3 [pid 296] <... openat resumed>) = 3 [pid 1133] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1132] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 297] newfstatat(3, "", [pid 296] newfstatat(3, "", [pid 1135] <... ioctl resumed>, 0x20001400) = 0 [pid 1133] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1132] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1135] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1133] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1132] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1135] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1133] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1132] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1135] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1133] <... bpf resumed>) = 7 [pid 1132] <... bpf resumed>) = 7 [pid 1133] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1135] <... bpf resumed>) = 7 [pid 1132] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1133] <... bpf resumed>) = 0 [pid 1135] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1132] <... bpf resumed>) = 0 [pid 1133] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1135] <... bpf resumed>) = 0 [pid 1132] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] getdents64(3, [pid 296] getdents64(3, [pid 1133] <... bpf resumed>) = 8 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1135] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1133] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1132] <... bpf resumed>) = 8 [pid 297] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1135] <... bpf resumed>) = 8 [pid 1133] <... bpf resumed>) = 9 [pid 1132] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1135] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1133] exit_group(0 [pid 1132] <... bpf resumed>) = 9 [pid 297] newfstatat(AT_FDCWD, "./65/binderfs", [pid 296] newfstatat(AT_FDCWD, "./76/binderfs", [pid 1135] <... bpf resumed>) = 9 [pid 1133] <... exit_group resumed>) = ? [pid 1132] exit_group(0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1135] exit_group(0 [pid 1133] +++ exited with 0 +++ [pid 1132] <... exit_group resumed>) = ? [pid 297] unlink("./65/binderfs" [pid 296] unlink("./76/binderfs" [pid 1135] <... exit_group resumed>) = ? [pid 1132] +++ exited with 0 +++ [pid 297] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] getdents64(3, [pid 296] getdents64(3, [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 299] <... restart_syscall resumed>) = 0 [pid 297] close(3 [pid 296] close(3 [pid 295] <... restart_syscall resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 297] rmdir("./65" [pid 296] rmdir("./76" [pid 299] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... rmdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 295] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] mkdir("./66", 0777 [pid 296] mkdir("./77", 0777 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... mkdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 295] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... openat resumed>) = 3 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1139 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1140 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 295] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 1140 attached [pid 299] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./76/binderfs", [pid 295] newfstatat(AT_FDCWD, "./69/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./76/binderfs" [pid 295] unlink("./69/binderfs" [pid 1140] set_robust_list(0x55555719e760, 24 [pid 299] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 295] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 295] close(3 [pid 299] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 1140] <... set_robust_list resumed>) = 0 [pid 299] rmdir("./76" [pid 295] rmdir("./69" [pid 1140] chdir("./77" [pid 299] <... rmdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 299] mkdir("./77", 0777 [pid 295] mkdir("./70", 0777./strace-static-x86_64: Process 1139 attached [pid 1140] <... chdir resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 1140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1139] set_robust_list(0x55555719e760, 24 [pid 295] <... mkdir resumed>) = 0 [pid 1140] <... prctl resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1140] setpgid(0, 0 [pid 1139] <... set_robust_list resumed>) = 0 [pid 1140] <... setpgid resumed>) = 0 [pid 1140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1139] chdir("./66" [pid 1140] <... openat resumed>) = 3 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1143 [pid 1140] write(3, "1000", 4 [pid 1139] <... chdir resumed>) = 0 [pid 1140] <... write resumed>) = 4 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1144 [pid 1140] close(3 [pid 1139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1140] <... close resumed>) = 0 [pid 1140] symlink("/dev/binderfs", "./binderfs" [pid 1139] <... prctl resumed>) = 0 [pid 1140] <... symlink resumed>) = 0 executing program [pid 1140] write(1, "executing program\n", 18 [pid 1139] setpgid(0, 0./strace-static-x86_64: Process 1144 attached ./strace-static-x86_64: Process 1143 attached [pid 1140] <... write resumed>) = 18 [pid 1144] set_robust_list(0x55555719e760, 24 [pid 1143] set_robust_list(0x55555719e760, 24 [pid 1140] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1139] <... setpgid resumed>) = 0 [pid 1144] <... set_robust_list resumed>) = 0 [pid 1143] <... set_robust_list resumed>) = 0 [pid 1140] <... bpf resumed>) = 3 [pid 1144] chdir("./70" [pid 1143] chdir("./77" [pid 1140] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1144] <... chdir resumed>) = 0 [pid 1143] <... chdir resumed>) = 0 [pid 1140] <... bpf resumed>) = 0 [pid 1144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1140] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1139] <... openat resumed>) = 3 [pid 1144] <... prctl resumed>) = 0 [pid 1143] <... prctl resumed>) = 0 [pid 1140] <... bpf resumed>) = 4 [pid 1139] write(3, "1000", 4 [pid 1144] setpgid(0, 0 [pid 1143] setpgid(0, 0 [pid 1140] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1139] <... write resumed>) = 4 [pid 1144] <... setpgid resumed>) = 0 [pid 1143] <... setpgid resumed>) = 0 [pid 1140] <... bpf resumed>) = 5 [pid 1139] close(3 [pid 1143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1140] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1139] <... close resumed>) = 0 [pid 1144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1143] <... openat resumed>) = 3 [pid 1140] <... openat resumed>) = 6 [pid 1139] symlink("/dev/binderfs", "./binderfs" [pid 1144] <... openat resumed>) = 3 [pid 1143] write(3, "1000", 4 [pid 1140] ioctl(6, PPPIOCNEWUNIT [pid 1139] <... symlink resumed>) = 0 [pid 1144] write(3, "1000", 4 [pid 1143] <... write resumed>) = 4 [pid 1140] <... ioctl resumed>, 0x20001400) = 0 executing program [pid 1139] write(1, "executing program\n", 18 [pid 1144] <... write resumed>) = 4 [pid 1143] close(3 [pid 1140] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1139] <... write resumed>) = 18 [pid 1144] close(3 [pid 1143] <... close resumed>) = 0 [pid 1140] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1139] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1144] <... close resumed>) = 0 [pid 1143] symlink("/dev/binderfs", "./binderfs" [pid 1140] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1139] <... bpf resumed>) = 3 [pid 1144] symlink("/dev/binderfs", "./binderfs" [pid 1143] <... symlink resumed>) = 0 [pid 1140] <... bpf resumed>) = 7 [pid 1139] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1144] <... symlink resumed>) = 0 [pid 1143] write(1, "executing program\n", 18 [pid 1140] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4executing program [pid 1139] <... bpf resumed>) = 0 [pid 1144] write(1, "executing program\n", 18 [pid 1143] <... write resumed>) = 18 [pid 1140] <... bpf resumed>) = 0 [pid 1139] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program [pid 1140] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1139] <... bpf resumed>) = 4 [pid 1144] <... write resumed>) = 18 [pid 1143] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1140] <... bpf resumed>) = 8 [pid 1139] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1144] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1143] <... bpf resumed>) = 3 [pid 1140] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1139] <... bpf resumed>) = 5 [pid 1144] <... bpf resumed>) = 3 [pid 1143] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1140] <... bpf resumed>) = 9 [pid 1139] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1144] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1143] <... bpf resumed>) = 0 [pid 1140] exit_group(0 [pid 1139] <... openat resumed>) = 6 [pid 1144] <... bpf resumed>) = 0 [pid 1143] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1140] <... exit_group resumed>) = ? [pid 1139] ioctl(6, PPPIOCNEWUNIT [pid 1144] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1143] <... bpf resumed>) = 4 [pid 1139] <... ioctl resumed>, 0x20001400) = 0 [pid 1135] +++ exited with 0 +++ [pid 1139] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1144] <... bpf resumed>) = 4 [pid 1143] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1139] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1144] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1143] <... bpf resumed>) = 5 [pid 1139] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1135, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 1144] <... bpf resumed>) = 5 [pid 1143] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1139] <... bpf resumed>) = 0 [pid 1144] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1143] <... openat resumed>) = 6 [pid 1139] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1144] <... openat resumed>) = 6 [pid 1143] ioctl(6, PPPIOCNEWUNIT [pid 1139] <... bpf resumed>) = 8 [pid 1144] ioctl(6, PPPIOCNEWUNIT [pid 1143] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1139] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1144] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1143] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1139] <... bpf resumed>) = 9 [pid 1144] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1143] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1139] exit_group(0 [pid 1144] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1143] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1139] <... exit_group resumed>) = ? [pid 298] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1144] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1143] <... bpf resumed>) = 7 [pid 1144] <... bpf resumed>) = 7 [pid 1143] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1144] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1143] <... bpf resumed>) = 0 [pid 1144] <... bpf resumed>) = 0 [pid 298] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1144] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1143] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... openat resumed>) = 3 [pid 1144] <... bpf resumed>) = 8 [pid 1143] <... bpf resumed>) = 8 [pid 298] newfstatat(3, "", [pid 1144] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1143] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1144] <... bpf resumed>) = 9 [pid 1143] <... bpf resumed>) = 9 [pid 298] getdents64(3, [pid 1144] exit_group(0 [pid 1143] exit_group(0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1144] <... exit_group resumed>) = ? [pid 1143] <... exit_group resumed>) = ? [pid 298] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1144] +++ exited with 0 +++ [pid 1143] +++ exited with 0 +++ [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] newfstatat(AT_FDCWD, "./74/binderfs", [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./74/binderfs" [pid 299] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... unlink resumed>) = 0 [pid 295] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... openat resumed>) = 3 [pid 298] close(3 [pid 295] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 298] <... close resumed>) = 0 [pid 295] newfstatat(3, "", [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] rmdir("./74" [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] unlink("./77/binderfs") = 0 [pid 299] getdents64(3, [pid 298] <... rmdir resumed>) = 0 [pid 295] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] mkdir("./75", 0777 [pid 299] close(3 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./77") = 0 [pid 298] <... mkdir resumed>) = 0 [pid 295] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] mkdir("./78", 0777 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... mkdir resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] newfstatat(AT_FDCWD, "./70/binderfs", [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1150 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1149 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./70/binderfs"./strace-static-x86_64: Process 1150 attached ) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3 [pid 1150] set_robust_list(0x55555719e760, 24 [pid 295] <... close resumed>) = 0 [pid 295] rmdir("./70" [pid 1150] <... set_robust_list resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./71", 0777 [pid 1150] chdir("./78") = 0 [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1150] setpgid(0, 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1151 [pid 1150] <... setpgid resumed>) = 0 [pid 1150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1150] write(3, "1000", 4) = 4 [pid 1150] close(3) = 0 [pid 1150] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 1149 attached [pid 1149] set_robust_list(0x55555719e760, 24./strace-static-x86_64: Process 1151 attached ) = 0 [pid 1149] chdir("./75" [pid 1151] set_robust_list(0x55555719e760, 24) = 0 [pid 1149] <... chdir resumed>) = 0 [pid 1150] write(1, "executing program\n", 18 [pid 1149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1151] chdir("./71" [pid 1149] <... prctl resumed>) = 0 [pid 1149] setpgid(0, 0 [pid 1151] <... chdir resumed>) = 0 [pid 1149] <... setpgid resumed>) = 0 [pid 1151] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 1149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1150] <... write resumed>) = 18 [pid 1151] setpgid(0, 0 [pid 1150] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1149] <... openat resumed>) = 3 [pid 1151] <... setpgid resumed>) = 0 [pid 1151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1150] <... bpf resumed>) = 3 [pid 1149] write(3, "1000", 4) = 4 [pid 1151] <... openat resumed>) = 3 [pid 1150] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1149] close(3 [pid 1151] write(3, "1000", 4 [pid 1150] <... bpf resumed>) = 0 [pid 1149] <... close resumed>) = 0 [pid 1151] <... write resumed>) = 4 [pid 1150] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1149] symlink("/dev/binderfs", "./binderfs" [pid 1151] close(3 [pid 1150] <... bpf resumed>) = 4 [pid 1149] <... symlink resumed>) = 0 executing program [pid 1151] <... close resumed>) = 0 [pid 1150] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1149] write(1, "executing program\n", 18 [pid 1151] symlink("/dev/binderfs", "./binderfs" [pid 1150] <... bpf resumed>) = 5 [pid 1149] <... write resumed>) = 18 [pid 1150] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1149] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1151] <... symlink resumed>) = 0 [pid 1150] <... openat resumed>) = 6 [pid 1150] ioctl(6, PPPIOCNEWUNITexecuting program [pid 1151] write(1, "executing program\n", 18 [pid 1149] <... bpf resumed>) = 3 [pid 1151] <... write resumed>) = 18 [pid 1149] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1151] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1149] <... bpf resumed>) = 0 [pid 1151] <... bpf resumed>) = 3 [pid 1149] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1151] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1149] <... bpf resumed>) = 4 [pid 1151] <... bpf resumed>) = 0 [pid 1149] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1151] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1149] <... bpf resumed>) = 5 [pid 1151] <... bpf resumed>) = 4 [pid 1149] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1151] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1149] <... openat resumed>) = 6 [pid 1151] <... bpf resumed>) = 5 [pid 1149] ioctl(6, PPPIOCNEWUNIT [pid 1151] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1151] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1150] <... ioctl resumed>, 0x20001400) = 0 [pid 1149] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1140] +++ exited with 0 +++ [pid 1151] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1149] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1151] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1149] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 1151] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1149] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1151] <... bpf resumed>) = 7 [pid 1150] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 1151] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1149] <... bpf resumed>) = 7 [pid 1151] <... bpf resumed>) = 0 [pid 1150] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1149] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1151] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1149] <... bpf resumed>) = 0 [pid 296] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1151] <... bpf resumed>) = 8 [pid 1150] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1149] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1151] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1151] <... bpf resumed>) = 9 [pid 296] <... openat resumed>) = 3 [pid 1151] exit_group(0 [pid 296] newfstatat(3, "", [pid 1151] <... exit_group resumed>) = ? [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1151] +++ exited with 0 +++ [pid 1150] <... bpf resumed>) = 7 [pid 1149] <... bpf resumed>) = 8 [pid 296] getdents64(3, [pid 1150] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1149] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1150] <... bpf resumed>) = 0 [pid 1149] <... bpf resumed>) = 9 [pid 296] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1150] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1149] exit_group(0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1149] <... exit_group resumed>) = ? [pid 296] newfstatat(AT_FDCWD, "./77/binderfs", [pid 295] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] unlink("./77/binderfs" [pid 295] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... unlink resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 296] getdents64(3, [pid 295] newfstatat(3, "", [pid 1149] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 296] close(3 [pid 295] getdents64(3, [pid 1150] <... bpf resumed>) = 8 [pid 298] <... restart_syscall resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1150] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] rmdir("./77" [pid 295] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1150] <... bpf resumed>) = 9 [pid 296] <... rmdir resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1150] exit_group(0 [pid 298] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] mkdir("./78", 0777 [pid 295] newfstatat(AT_FDCWD, "./71/binderfs", [pid 1150] <... exit_group resumed>) = ? [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... mkdir resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] unlink("./71/binderfs" [pid 298] <... openat resumed>) = 3 [pid 295] <... unlink resumed>) = 0 [pid 298] newfstatat(3, "", [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1153 [pid 295] getdents64(3, [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] getdents64(3, [pid 295] close(3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... close resumed>) = 0 [pid 298] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] rmdir("./71" [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... rmdir resumed>) = 0 [pid 298] newfstatat(AT_FDCWD, "./75/binderfs", [pid 295] mkdir("./72", 0777 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 298] unlink("./75/binderfs" [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1154 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./75") = 0 [pid 298] mkdir("./76", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1155 ./strace-static-x86_64: Process 1153 attached [pid 1153] set_robust_list(0x55555719e760, 24) = 0 [pid 1153] chdir("./78"./strace-static-x86_64: Process 1155 attached ./strace-static-x86_64: Process 1154 attached [pid 1155] set_robust_list(0x55555719e760, 24) = 0 [pid 1155] chdir("./76") = 0 [pid 1155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1155] setpgid(0, 0) = 0 [pid 1155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1153] <... chdir resumed>) = 0 [pid 1155] <... openat resumed>) = 3 [pid 1153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1155] write(3, "1000", 4 [pid 1153] <... prctl resumed>) = 0 [pid 1155] <... write resumed>) = 4 [pid 1153] setpgid(0, 0 [pid 1154] set_robust_list(0x55555719e760, 24 [pid 1153] <... setpgid resumed>) = 0 [pid 1155] close(3 [pid 1154] <... set_robust_list resumed>) = 0 [pid 1153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1155] <... close resumed>) = 0 [pid 1154] chdir("./72" [pid 1153] <... openat resumed>) = 3 [pid 1155] symlink("/dev/binderfs", "./binderfs" [pid 1154] <... chdir resumed>) = 0 [pid 1153] write(3, "1000", 4 [pid 1155] <... symlink resumed>) = 0 [pid 1154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1153] <... write resumed>) = 4 [pid 1155] write(1, "executing program\n", 18 [pid 1154] <... prctl resumed>) = 0 [pid 1153] close(3executing program [pid 1155] <... write resumed>) = 18 [pid 1154] setpgid(0, 0 [pid 1153] <... close resumed>) = 0 [pid 1155] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1154] <... setpgid resumed>) = 0 [pid 1153] symlink("/dev/binderfs", "./binderfs"executing program [pid 1155] <... bpf resumed>) = 3 [pid 1154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1153] <... symlink resumed>) = 0 [pid 1153] write(1, "executing program\n", 18 [pid 1155] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1154] <... openat resumed>) = 3 [pid 1153] <... write resumed>) = 18 [pid 1155] <... bpf resumed>) = 0 [pid 1154] write(3, "1000", 4 [pid 1153] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1155] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1154] <... write resumed>) = 4 [pid 1153] <... bpf resumed>) = 3 [pid 1155] <... bpf resumed>) = 4 [pid 1154] close(3 [pid 1153] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1155] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1154] <... close resumed>) = 0 [pid 1153] <... bpf resumed>) = 0 [pid 1153] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1155] <... bpf resumed>) = 5 [pid 1154] symlink("/dev/binderfs", "./binderfs" [pid 1155] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1154] <... symlink resumed>) = 0 [pid 1153] <... bpf resumed>) = 4 [pid 1139] +++ exited with 0 +++ executing program [pid 1155] <... openat resumed>) = 6 [pid 1154] write(1, "executing program\n", 18 [pid 1153] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1139, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 1155] ioctl(6, PPPIOCNEWUNIT [pid 1154] <... write resumed>) = 18 [pid 1153] <... bpf resumed>) = 5 [pid 1155] <... ioctl resumed>, 0x20001400) = 0 [pid 1154] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1155] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1154] <... bpf resumed>) = 3 [pid 1155] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1154] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1153] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1155] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1154] <... bpf resumed>) = 0 [pid 1155] <... bpf resumed>) = 7 [pid 1154] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1153] <... openat resumed>) = 6 [pid 297] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1155] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1154] <... bpf resumed>) = 4 [pid 1153] ioctl(6, PPPIOCNEWUNIT [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1155] <... bpf resumed>) = 0 [pid 1154] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1153] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 297] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1155] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1154] <... bpf resumed>) = 5 [pid 1153] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1155] <... bpf resumed>) = 8 [pid 1154] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1153] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] <... openat resumed>) = 3 [pid 1155] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1154] <... openat resumed>) = 6 [pid 1153] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] newfstatat(3, "", [pid 1155] <... bpf resumed>) = 9 [pid 1154] ioctl(6, PPPIOCNEWUNIT [pid 1153] <... bpf resumed>) = 7 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1155] exit_group(0 [pid 1154] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1155] <... exit_group resumed>) = ? [pid 1154] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1153] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] getdents64(3, [pid 1154] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1153] <... bpf resumed>) = 0 [pid 1154] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1153] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1154] <... bpf resumed>) = 7 [pid 1154] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1154] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1153] <... bpf resumed>) = 8 [pid 297] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1154] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1154] exit_group(0) = ? [pid 1154] +++ exited with 0 +++ [pid 1153] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1153] <... bpf resumed>) = 9 [pid 297] newfstatat(AT_FDCWD, "./66/binderfs", [pid 1153] exit_group(0) = ? [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1154, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 1153] +++ exited with 0 +++ [pid 297] unlink("./66/binderfs" [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 297] <... unlink resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... restart_syscall resumed>) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3 [pid 296] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... close resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] rmdir("./66" [pid 296] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... rmdir resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 297] mkdir("./67", 0777 [pid 296] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 297] <... mkdir resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1162 [pid 296] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./78/binderfs", [pid 295] newfstatat(AT_FDCWD, "./72/binderfs", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./78/binderfs" [pid 295] unlink("./72/binderfs" [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 295] close(3 [pid 296] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 296] rmdir("./78" [pid 295] rmdir("./72" [pid 296] <... rmdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 296] mkdir("./79", 0777 [pid 295] mkdir("./73", 0777 [pid 296] <... mkdir resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1163 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1164 ./strace-static-x86_64: Process 1162 attached [pid 1162] set_robust_list(0x55555719e760, 24) = 0 [pid 1162] chdir("./67") = 0 [pid 1162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1162] setpgid(0, 0) = 0 [pid 1162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 1164 attached [pid 1162] write(3, "1000", 4 [pid 1164] set_robust_list(0x55555719e760, 24 [pid 1162] <... write resumed>) = 4 [pid 1162] close(3 [pid 1164] <... set_robust_list resumed>) = 0 [pid 1162] <... close resumed>) = 0 [pid 1164] chdir("./73" [pid 1162] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1164] <... chdir resumed>) = 0 [pid 1164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1164] setpgid(0, 0) = 0 [pid 1164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 1162] write(1, "executing program\n", 18) = 18 [pid 1162] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1164] <... openat resumed>) = 3 ./strace-static-x86_64: Process 1163 attached [pid 1163] set_robust_list(0x55555719e760, 24 [pid 1162] <... bpf resumed>) = 3 [pid 1164] write(3, "1000", 4 [pid 1162] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1164] <... write resumed>) = 4 [pid 1164] close(3 [pid 1162] <... bpf resumed>) = 0 [pid 1164] <... close resumed>) = 0 [pid 1162] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1164] symlink("/dev/binderfs", "./binderfs" [pid 1163] <... set_robust_list resumed>) = 0 executing program [pid 1164] <... symlink resumed>) = 0 [pid 1163] chdir("./79" [pid 1162] <... bpf resumed>) = 4 [pid 1164] write(1, "executing program\n", 18) = 18 [pid 1162] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1164] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1162] <... bpf resumed>) = 5 [pid 1163] <... chdir resumed>) = 0 [pid 1163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1164] <... bpf resumed>) = 3 [pid 1163] setpgid(0, 0 [pid 1162] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1164] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1163] <... setpgid resumed>) = 0 [pid 1164] <... bpf resumed>) = 0 [pid 1162] <... openat resumed>) = 6 [pid 1164] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1162] ioctl(6, PPPIOCNEWUNIT [pid 1163] <... openat resumed>) = 3 [pid 1163] write(3, "1000", 4 [pid 1164] <... bpf resumed>) = 4 [pid 1163] <... write resumed>) = 4 [pid 1163] close(3 [pid 1164] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1163] <... close resumed>) = 0 [pid 1162] <... ioctl resumed>, 0x20001400) = 0 [pid 1164] <... bpf resumed>) = 5 [pid 1163] symlink("/dev/binderfs", "./binderfs" [pid 1162] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1164] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1163] <... symlink resumed>) = 0 [pid 1162] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1164] <... openat resumed>) = 6 executing program [pid 1163] write(1, "executing program\n", 18 [pid 1162] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1164] ioctl(6, PPPIOCNEWUNIT [pid 1163] <... write resumed>) = 18 [pid 1162] <... bpf resumed>) = 7 [pid 1164] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1163] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1162] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1164] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1163] <... bpf resumed>) = 3 [pid 1162] <... bpf resumed>) = 0 [pid 1164] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1163] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1162] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1164] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1163] <... bpf resumed>) = 0 [pid 1162] <... bpf resumed>) = 8 [pid 1164] <... bpf resumed>) = 7 [pid 1163] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1162] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1164] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1163] <... bpf resumed>) = 4 [pid 1162] <... bpf resumed>) = 9 [pid 1164] <... bpf resumed>) = 0 [pid 1163] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1162] exit_group(0 [pid 1164] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1163] <... bpf resumed>) = 5 [pid 1162] <... exit_group resumed>) = ? [pid 1164] <... bpf resumed>) = 8 [pid 1163] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1162] +++ exited with 0 +++ [pid 1164] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1163] <... openat resumed>) = 6 [pid 297] --- 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] <... bpf resumed>) = 9 [pid 1163] ioctl(6, PPPIOCNEWUNIT [pid 1164] exit_group(0 [pid 1163] <... ioctl resumed>, 0x20001400) = 0 [pid 1164] <... exit_group resumed>) = ? [pid 1163] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1164] +++ exited with 0 +++ [pid 1163] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1163] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1163] <... bpf resumed>) = 7 [pid 1150] +++ exited with 0 +++ [pid 297] <... openat resumed>) = 3 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1163] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] newfstatat(3, "", [pid 295] <... restart_syscall resumed>) = 0 [pid 1163] <... bpf resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1163] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] getdents64(3, [pid 1163] <... bpf resumed>) = 8 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1163] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 297] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... restart_syscall resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./67/binderfs", [pid 295] <... openat resumed>) = 3 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(3, "", [pid 297] unlink("./67/binderfs" [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 299] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] getdents64(3, [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] close(3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... openat resumed>) = 3 [pid 297] <... close resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./73/binderfs", [pid 299] newfstatat(3, "", [pid 297] rmdir("./67" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 295] unlink("./73/binderfs" [pid 299] getdents64(3, [pid 297] mkdir("./68", 0777 [pid 295] <... unlink resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... mkdir resumed>) = 0 [pid 295] getdents64(3, [pid 299] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] close(3 [pid 299] newfstatat(AT_FDCWD, "./78/binderfs", [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1168 [pid 295] <... close resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] rmdir("./73" [pid 299] unlink("./78/binderfs" [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./74", 0777 [pid 299] <... unlink resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 299] getdents64(3, [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1169 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./78"./strace-static-x86_64: Process 1169 attached ) = 0 [pid 299] mkdir("./79", 0777 [pid 1169] set_robust_list(0x55555719e760, 24) = 0 [pid 1169] chdir("./74") = 0 [pid 299] <... mkdir resumed>) = 0 [pid 1169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1170 [pid 1169] setpgid(0, 0) = 0 [pid 1169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1169] write(3, "1000", 4) = 4 [pid 1169] close(3) = 0 [pid 1169] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1163] <... bpf resumed>) = 9 [pid 1155] +++ exited with 0 +++ [pid 1163] exit_group(0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1163] <... exit_group resumed>) = ? [pid 298] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./76/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./76") = 0 ./strace-static-x86_64: Process 1170 attached [pid 298] mkdir("./77", 0777./strace-static-x86_64: Process 1168 attached [pid 1170] set_robust_list(0x55555719e760, 24 [pid 1169] write(1, "executing program\n", 18 [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1170] <... set_robust_list resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1174 executing program [pid 1170] chdir("./79") = 0 [pid 1169] <... write resumed>) = 18 [pid 1170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1169] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1170] <... prctl resumed>) = 0 [pid 1169] <... bpf resumed>) = 3 [pid 1169] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1170] setpgid(0, 0 [pid 1169] <... bpf resumed>) = 0 [pid 1170] <... setpgid resumed>) = 0 [pid 1170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1169] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1170] write(3, "1000", 4) = 4 [pid 1170] close(3) = 0 [pid 1168] set_robust_list(0x55555719e760, 24) = 0 [pid 1170] symlink("/dev/binderfs", "./binderfs" [pid 1168] chdir("./68" [pid 1169] <... bpf resumed>) = 4 [pid 1168] <... chdir resumed>) = 0 [pid 1170] <... symlink resumed>) = 0 [pid 1169] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1170] write(1, "executing program\n", 18 [pid 1169] <... bpf resumed>) = 5 [pid 1168] <... prctl resumed>) = 0 executing program [pid 1169] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1168] setpgid(0, 0 [pid 1170] <... write resumed>) = 18 [pid 1169] <... openat resumed>) = 6 [pid 1168] <... setpgid resumed>) = 0 [pid 1169] ioctl(6, PPPIOCNEWUNIT [pid 1168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ./strace-static-x86_64: Process 1174 attached [pid 1170] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1169] <... ioctl resumed>, 0x20001400) = 0 [pid 1168] <... openat resumed>) = 3 [pid 1168] write(3, "1000", 4) = 4 [pid 1168] close(3) = 0 [pid 1168] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1168] write(1, "executing program\n", 18) = 18 [pid 1170] <... bpf resumed>) = 3 [pid 1168] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1169] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1168] <... bpf resumed>) = 3 [pid 1169] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1168] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1169] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1168] <... bpf resumed>) = 0 [pid 1170] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1169] <... bpf resumed>) = 7 [pid 1168] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1174] set_robust_list(0x55555719e760, 24 [pid 1170] <... bpf resumed>) = 0 [pid 1169] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1168] <... bpf resumed>) = 4 [pid 1169] <... bpf resumed>) = 0 [pid 1168] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1169] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1168] <... bpf resumed>) = 5 [pid 1174] <... set_robust_list resumed>) = 0 [pid 1170] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1169] <... bpf resumed>) = 8 [pid 1168] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1174] chdir("./77" [pid 1170] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1169] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1168] <... openat resumed>) = 6 [pid 1174] <... chdir resumed>) = 0 [pid 1170] <... bpf resumed>) = 5 [pid 1169] <... bpf resumed>) = 9 [pid 1168] ioctl(6, PPPIOCNEWUNIT [pid 1174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1170] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1169] exit_group(0 [pid 1168] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1169] <... exit_group resumed>) = ? [pid 1168] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1174] <... prctl resumed>) = 0 [pid 1170] <... openat resumed>) = 6 [pid 1168] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1163] +++ exited with 0 +++ [pid 1170] ioctl(6, PPPIOCNEWUNIT [pid 1168] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1174] setpgid(0, 0 [pid 1168] <... bpf resumed>) = 7 [pid 1168] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 296] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1168] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1174] <... setpgid resumed>) = 0 [pid 1168] <... bpf resumed>) = 8 [pid 296] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1168] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] <... openat resumed>) = 3 [pid 1168] <... bpf resumed>) = 9 [pid 296] newfstatat(3, "", [pid 1174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1168] exit_group(0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1174] <... openat resumed>) = 3 [pid 1168] <... exit_group resumed>) = ? [pid 296] getdents64(3, [pid 1174] write(3, "1000", 4 [pid 1168] +++ exited with 0 +++ [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 296] newfstatat(AT_FDCWD, "./79/binderfs", [pid 1170] <... ioctl resumed>, 0x20001400) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./79/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./79" [pid 297] <... restart_syscall resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 1170] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] mkdir("./80", 0777 [pid 1170] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] <... mkdir resumed>) = 0 [pid 1170] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1174] <... write resumed>) = 4 [pid 1170] <... bpf resumed>) = 7 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 1176 attached [pid 1170] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1176 [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 1176] set_robust_list(0x55555719e760, 24 [pid 1174] close(3 [pid 1170] <... bpf resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 1170] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1176] <... set_robust_list resumed>) = 0 [pid 1174] <... close resumed>) = 0 [pid 297] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./68/binderfs" [pid 1174] symlink("/dev/binderfs", "./binderfs" [pid 1170] <... bpf resumed>) = 8 [pid 297] <... unlink resumed>) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 1170] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] rmdir("./68" [pid 1176] chdir("./80" [pid 1174] <... symlink resumed>) = 0 [pid 1170] <... bpf resumed>) = 9 [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./69", 0777 [pid 1176] <... chdir resumed>) = 0 [pid 1174] write(1, "executing program\n", 18 [pid 1170] exit_group(0 [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 1176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1174] <... write resumed>) = 18 [pid 1170] <... exit_group resumed>) = ? [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1177 [pid 1174] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 1177 attached [pid 1176] <... prctl resumed>) = 0 [pid 1174] <... bpf resumed>) = 3 [pid 1177] set_robust_list(0x55555719e760, 24 [pid 1176] setpgid(0, 0 [pid 1174] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1176] <... setpgid resumed>) = 0 [pid 1177] <... set_robust_list resumed>) = 0 [pid 1177] chdir("./69" [pid 1176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1174] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1174] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1176] <... openat resumed>) = 3 [pid 1174] <... bpf resumed>) = 5 [pid 1176] write(3, "1000", 4 [pid 1174] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1176] <... write resumed>) = 4 [pid 1174] <... openat resumed>) = 6 [pid 1177] <... chdir resumed>) = 0 [pid 1174] ioctl(6, PPPIOCNEWUNIT [pid 1176] close(3 [pid 1177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1176] <... close resumed>) = 0 [pid 1174] <... ioctl resumed>, 0x20001400) = 0 [pid 1177] <... prctl resumed>) = 0 [pid 1177] setpgid(0, 0) = 0 [pid 1176] symlink("/dev/binderfs", "./binderfs" [pid 1174] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1176] <... symlink resumed>) = 0 executing program [pid 1176] write(1, "executing program\n", 18 [pid 1174] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1176] <... write resumed>) = 18 [pid 1177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1176] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1174] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1176] <... bpf resumed>) = 3 [pid 1176] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1174] <... bpf resumed>) = 7 [pid 1176] <... bpf resumed>) = 0 [pid 1174] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1177] <... openat resumed>) = 3 [pid 1177] write(3, "1000", 4 [pid 1176] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1174] <... bpf resumed>) = 0 [pid 1177] <... write resumed>) = 4 [pid 1177] close(3) = 0 [pid 1177] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1176] <... bpf resumed>) = 4 executing program [pid 1176] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1174] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1177] write(1, "executing program\n", 18) = 18 [pid 1177] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1176] <... bpf resumed>) = 5 [pid 1176] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1174] <... bpf resumed>) = 8 [pid 1176] <... openat resumed>) = 6 [pid 1174] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1176] ioctl(6, PPPIOCNEWUNIT [pid 1174] <... bpf resumed>) = 9 [pid 1176] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1176] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1174] exit_group(0 [pid 1176] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1174] <... exit_group resumed>) = ? [pid 1176] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1177] <... bpf resumed>) = 3 [pid 1177] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1176] <... bpf resumed>) = 7 [pid 1177] <... bpf resumed>) = 0 [pid 1177] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1177] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1176] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1176] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1177] <... bpf resumed>) = 5 [pid 1177] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1176] <... bpf resumed>) = 8 [pid 1177] <... openat resumed>) = 6 [pid 1176] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1177] ioctl(6, PPPIOCNEWUNIT [pid 1176] <... bpf resumed>) = 9 [pid 1177] <... ioctl resumed>, 0x20001400) = 0 [pid 1176] exit_group(0 [pid 1177] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1177] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1177] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1177] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1176] <... exit_group resumed>) = ? [pid 1169] +++ exited with 0 +++ [pid 1177] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1177] exit_group(0 [pid 1176] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1177] <... exit_group resumed>) = ? [pid 296] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./80/binderfs", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./74/binderfs", [pid 296] unlink("./80/binderfs" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] unlink("./74/binderfs" [pid 296] getdents64(3, [pid 295] <... unlink resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] getdents64(3, [pid 296] close(3) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] rmdir("./80" [pid 295] close(3 [pid 296] <... rmdir resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 296] mkdir("./81", 0777 [pid 295] rmdir("./74" [pid 296] <... mkdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] mkdir("./75", 0777) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1181 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1182 ./strace-static-x86_64: Process 1181 attached [pid 1181] set_robust_list(0x55555719e760, 24) = 0 [pid 1181] chdir("./81") = 0 [pid 1181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1181] setpgid(0, 0) = 0 [pid 1181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1181] write(3, "1000", 4) = 4 [pid 1181] close(3) = 0 [pid 1181] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1181] write(1, "executing program\n", 18) = 18 [pid 1181] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1181] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1181] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 1182 attached [pid 1182] set_robust_list(0x55555719e760, 24) = 0 [pid 1182] chdir("./75") = 0 [pid 1181] <... bpf resumed>) = 4 [pid 1182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1181] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1181] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1181] ioctl(6, PPPIOCNEWUNIT [pid 1182] <... prctl resumed>) = 0 [pid 1182] setpgid(0, 0) = 0 [pid 1182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1182] write(3, "1000", 4) = 4 [pid 1182] close(3) = 0 [pid 1182] symlink("/dev/binderfs", "./binderfs" [pid 1181] <... ioctl resumed>, 0x20001400) = 0 [pid 1181] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1181] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1182] <... symlink resumed>) = 0 [pid 1181] <... bpf resumed>) = 7 [pid 1181] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1182] write(1, "executing program\n", 18executing program ) = 18 [pid 1181] <... bpf resumed>) = 0 [pid 1181] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1182] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1182] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1182] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1181] <... bpf resumed>) = 8 [pid 1182] <... bpf resumed>) = 4 [pid 1181] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1181] exit_group(0) = ? [pid 1182] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1182] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1182] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1182] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1182] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1182] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1182] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1182] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1182] exit_group(0) = ? [pid 1182] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 295] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./75/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./75") = 0 [pid 295] mkdir("./76", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1185 ./strace-static-x86_64: Process 1185 attached [pid 1185] set_robust_list(0x55555719e760, 24) = 0 [pid 1185] chdir("./76") = 0 [pid 1185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1185] setpgid(0, 0) = 0 [pid 1185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1185] write(3, "1000", 4) = 4 [pid 1185] close(3) = 0 [pid 1185] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1185] write(1, "executing program\n", 18executing program ) = 18 [pid 1185] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1185] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1185] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1185] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1185] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1185] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1185] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1185] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1185] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1185] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1185] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1185] exit_group(0) = ? [pid 1174] +++ exited with 0 +++ [pid 1170] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... openat resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 298] newfstatat(3, "", [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 298] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./79/binderfs", [pid 298] newfstatat(AT_FDCWD, "./77/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./79/binderfs" [pid 298] unlink("./77/binderfs" [pid 299] <... unlink resumed>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 298] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 298] close(3 [pid 299] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 299] rmdir("./79" [pid 298] rmdir("./77" [pid 299] <... rmdir resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 299] mkdir("./80", 0777 [pid 298] mkdir("./78", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1188 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1189 ./strace-static-x86_64: Process 1189 attached [pid 1189] set_robust_list(0x55555719e760, 24) = 0 [pid 1189] chdir("./78") = 0 [pid 1189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1189] setpgid(0, 0) = 0 [pid 1189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1189] write(3, "1000", 4) = 4 [pid 1189] close(3) = 0 [pid 1189] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1189] write(1, "executing program\n", 18executing program ) = 18 [pid 1189] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1189] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1189] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1189] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1189] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1189] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1188 attached , 0x20001400) = 0 [pid 1188] set_robust_list(0x55555719e760, 24 [pid 1189] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1189] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1188] <... set_robust_list resumed>) = 0 [pid 1189] <... bpf resumed>) = 7 [pid 1189] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1189] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1188] chdir("./80") = 0 [pid 1188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1189] <... bpf resumed>) = 8 [pid 1188] setpgid(0, 0 [pid 1189] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1189] exit_group(0 [pid 1188] <... setpgid resumed>) = 0 [pid 1188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1189] <... exit_group resumed>) = ? [pid 1188] write(3, "1000", 4) = 4 [pid 1188] close(3) = 0 [pid 1188] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1188] write(1, "executing program\n", 18executing program ) = 18 [pid 1188] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1188] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1188] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1188] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1188] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1188] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1188] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1188] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1188] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1188] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1188] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1188] exit_group(0) = ? [pid 1181] +++ exited with 0 +++ [pid 1177] +++ exited with 0 +++ [pid 1185] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 297] <... restart_syscall resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 297] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... openat resumed>) = 3 [pid 296] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 296] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./69/binderfs", [pid 296] newfstatat(AT_FDCWD, "./81/binderfs", [pid 295] newfstatat(AT_FDCWD, "./76/binderfs", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./69/binderfs" [pid 296] unlink("./81/binderfs" [pid 295] unlink("./76/binderfs" [pid 297] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 297] getdents64(3, [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3 [pid 296] close(3 [pid 295] close(3 [pid 297] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 297] rmdir("./69" [pid 296] rmdir("./81" [pid 295] rmdir("./76" [pid 297] <... rmdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 297] mkdir("./70", 0777 [pid 296] mkdir("./82", 0777 [pid 295] mkdir("./77", 0777 [pid 297] <... mkdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1195 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1196 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1197 ./strace-static-x86_64: Process 1197 attached [pid 1197] set_robust_list(0x55555719e760, 24) = 0 [pid 1197] chdir("./77") = 0 [pid 1197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1197] setpgid(0, 0) = 0 [pid 1197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1197] write(3, "1000", 4) = 4 [pid 1197] close(3) = 0 [pid 1197] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1197] write(1, "executing program\n", 18executing program ) = 18 [pid 1197] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1197] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1197] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1197] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1189] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 1195 attached [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1195] set_robust_list(0x55555719e760, 24 [pid 298] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./78/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1195] <... set_robust_list resumed>) = 0 [pid 298] unlink("./78/binderfs" [pid 1197] <... bpf resumed>) = 5 [pid 1195] chdir("./70" [pid 298] <... unlink resumed>) = 0 [pid 1197] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] getdents64(3, [pid 1197] <... openat resumed>) = 6 [pid 1195] <... chdir resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1197] ioctl(6, PPPIOCNEWUNIT [pid 298] close(3./strace-static-x86_64: Process 1196 attached [pid 1195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] <... close resumed>) = 0 [pid 1196] set_robust_list(0x55555719e760, 24 [pid 298] rmdir("./78" [pid 1197] <... ioctl resumed>, 0x20001400) = 0 [pid 1196] <... set_robust_list resumed>) = 0 [pid 1195] <... prctl resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 1196] chdir("./82" [pid 298] mkdir("./79", 0777 [pid 1196] <... chdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 1196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1196] <... prctl resumed>) = 0 [pid 1196] setpgid(0, 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1198 [pid 1196] <... setpgid resumed>) = 0 [pid 1197] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1195] setpgid(0, 0 [pid 1197] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1196] <... openat resumed>) = 3 [pid 1195] <... setpgid resumed>) = 0 [pid 1197] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1196] write(3, "1000", 4 [pid 1197] <... bpf resumed>) = 7 [pid 1196] <... write resumed>) = 4 [pid 1197] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1196] close(3 [pid 1197] <... bpf resumed>) = 0 [pid 1196] <... close resumed>) = 0 [pid 1197] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1196] symlink("/dev/binderfs", "./binderfs" [pid 1197] <... bpf resumed>) = 8 [pid 1196] <... symlink resumed>) = 0 [pid 1195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ./strace-static-x86_64: Process 1198 attached [pid 1197] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1196] write(1, "executing program\n", 18 [pid 1198] set_robust_list(0x55555719e760, 24 [pid 1197] <... bpf resumed>) = 9 [pid 1196] <... write resumed>) = 18 [pid 1195] <... openat resumed>) = 3 [pid 1198] <... set_robust_list resumed>) = 0 [pid 1197] exit_group(0 [pid 1196] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1195] write(3, "1000", 4 [pid 1197] <... exit_group resumed>) = ? [pid 1196] <... bpf resumed>) = 3 [pid 1198] chdir("./79" [pid 1196] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1195] <... write resumed>) = 4 [pid 1198] <... chdir resumed>) = 0 [pid 1196] <... bpf resumed>) = 0 [pid 1195] close(3 [pid 1198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1196] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1198] <... prctl resumed>) = 0 [pid 1196] <... bpf resumed>) = 4 [pid 1195] <... close resumed>) = 0 [pid 1196] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1196] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1196] ioctl(6, PPPIOCNEWUNIT [pid 1198] setpgid(0, 0 [pid 1196] <... ioctl resumed>, 0x20001400) = 0 [pid 1195] symlink("/dev/binderfs", "./binderfs" [pid 1196] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1196] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1196] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1196] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1195] <... symlink resumed>) = 0 [pid 1196] <... bpf resumed>) = 8 [pid 1196] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1188] +++ exited with 0 +++ [pid 1196] <... bpf resumed>) = 9 [pid 1196] exit_group(0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1188, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 1196] <... exit_group resumed>) = ? [pid 299] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1195] write(1, "executing program\n", 18executing program [pid 1198] <... setpgid resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1195] <... write resumed>) = 18 [pid 299] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1195] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 1195] <... bpf resumed>) = 3 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1195] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./80/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./80/binderfs") = 0 [pid 1195] <... bpf resumed>) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./80" [pid 1195] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./81", 0777 [pid 1195] <... bpf resumed>) = 4 [pid 299] <... mkdir resumed>) = 0 [pid 1198] <... openat resumed>) = 3 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1198] write(3, "1000", 4 [pid 1195] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1200 ./strace-static-x86_64: Process 1200 attached [pid 1198] <... write resumed>) = 4 [pid 1195] <... bpf resumed>) = 5 [pid 1200] set_robust_list(0x55555719e760, 24 [pid 1198] close(3 [pid 1195] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1200] <... set_robust_list resumed>) = 0 [pid 1198] <... close resumed>) = 0 [pid 1195] <... openat resumed>) = 6 [pid 1200] chdir("./81" [pid 1198] symlink("/dev/binderfs", "./binderfs" [pid 1195] ioctl(6, PPPIOCNEWUNIT [pid 1200] <... chdir resumed>) = 0 [pid 1198] <... symlink resumed>) = 0 [pid 1195] <... ioctl resumed>, 0x20001400) = 0 [pid 1200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1198] write(1, "executing program\n", 18executing program [pid 1195] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1200] <... prctl resumed>) = 0 [pid 1198] <... write resumed>) = 18 [pid 1195] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1200] setpgid(0, 0 [pid 1198] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1195] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1200] <... setpgid resumed>) = 0 [pid 1198] <... bpf resumed>) = 3 [pid 1195] <... bpf resumed>) = 7 [pid 1200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1198] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1195] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1200] <... openat resumed>) = 3 [pid 1198] <... bpf resumed>) = 0 [pid 1195] <... bpf resumed>) = 0 [pid 1200] write(3, "1000", 4 [pid 1198] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1195] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1200] <... write resumed>) = 4 [pid 1198] <... bpf resumed>) = 4 [pid 1195] <... bpf resumed>) = 8 [pid 1200] close(3 [pid 1198] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1195] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1200] <... close resumed>) = 0 [pid 1198] <... bpf resumed>) = 5 [pid 1195] <... bpf resumed>) = 9 [pid 1200] symlink("/dev/binderfs", "./binderfs" [pid 1198] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1195] exit_group(0 [pid 1200] <... symlink resumed>) = 0 [pid 1198] <... openat resumed>) = 6 [pid 1195] <... exit_group resumed>) = ? [pid 1200] write(1, "executing program\n", 18 [pid 1198] ioctl(6, PPPIOCNEWUNITexecuting program [pid 1200] <... write resumed>) = 18 [pid 1200] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1200] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1198] <... ioctl resumed>, 0x20001400) = 0 [pid 1200] <... bpf resumed>) = 0 [pid 1200] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1200] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1197] +++ exited with 0 +++ [pid 1200] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1198] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1200] <... openat resumed>) = 6 [pid 1198] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1200] ioctl(6, PPPIOCNEWUNIT [pid 1198] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1200] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1198] <... bpf resumed>) = 7 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1200] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1198] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1200] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1198] <... bpf resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 1200] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1198] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] newfstatat(3, "", [pid 1200] <... bpf resumed>) = 7 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1200] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1198] <... bpf resumed>) = 8 [pid 295] getdents64(3, [pid 1200] <... bpf resumed>) = 0 [pid 1198] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1200] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1198] <... bpf resumed>) = 9 [pid 295] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1200] <... bpf resumed>) = 8 [pid 1198] exit_group(0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1200] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1198] <... exit_group resumed>) = ? [pid 295] newfstatat(AT_FDCWD, "./77/binderfs", [pid 1200] <... bpf resumed>) = 9 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1200] exit_group(0 [pid 295] unlink("./77/binderfs" [pid 1200] <... exit_group resumed>) = ? [pid 295] <... unlink resumed>) = 0 [pid 1200] +++ exited with 0 +++ [pid 295] getdents64(3, [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 299] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] rmdir("./77" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... rmdir resumed>) = 0 [pid 299] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] mkdir("./78", 0777 [pid 299] <... openat resumed>) = 3 [pid 295] <... mkdir resumed>) = 0 [pid 299] newfstatat(3, "", [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1204 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 1204 attached [pid 299] newfstatat(AT_FDCWD, "./81/binderfs", [pid 1204] set_robust_list(0x55555719e760, 24 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1204] <... set_robust_list resumed>) = 0 [pid 299] unlink("./81/binderfs" [pid 1204] chdir("./78" [pid 299] <... unlink resumed>) = 0 [pid 1204] <... chdir resumed>) = 0 [pid 299] getdents64(3, [pid 1204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1204] <... prctl resumed>) = 0 [pid 299] close(3 [pid 1204] setpgid(0, 0 [pid 299] <... close resumed>) = 0 [pid 1204] <... setpgid resumed>) = 0 [pid 299] rmdir("./81" [pid 1204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1196] +++ exited with 0 +++ [pid 299] <... rmdir resumed>) = 0 [pid 1204] <... openat resumed>) = 3 [pid 299] mkdir("./82", 0777 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1204] write(3, "1000", 4 [pid 299] <... mkdir resumed>) = 0 [pid 1204] <... write resumed>) = 4 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1204] close(3 [pid 296] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1204] <... close resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1207 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1204] symlink("/dev/binderfs", "./binderfs" [pid 296] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1204] <... symlink resumed>) = 0 [pid 296] <... openat resumed>) = 3 executing program [pid 1204] write(1, "executing program\n", 18 [pid 296] newfstatat(3, "", [pid 1204] <... write resumed>) = 18 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1204] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] getdents64(3, [pid 1204] <... bpf resumed>) = 3 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 1207 attached [pid 1204] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1207] set_robust_list(0x55555719e760, 24 [pid 1204] <... bpf resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./82/binderfs" [pid 1204] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1204] <... bpf resumed>) = 4 [pid 296] close(3 [pid 1207] <... set_robust_list resumed>) = 0 [pid 1204] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] <... close resumed>) = 0 [pid 1207] chdir("./82" [pid 296] rmdir("./82" [pid 1207] <... chdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 1207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] mkdir("./83", 0777 [pid 1207] <... prctl resumed>) = 0 [pid 1207] setpgid(0, 0) = 0 [pid 1207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1207] write(3, "1000", 4) = 4 [pid 1207] close(3) = 0 [pid 1207] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 1207] write(1, "executing program\n", 18) = 18 [pid 1207] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1207] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1207] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1207] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 1210 attached [pid 1210] set_robust_list(0x55555719e760, 24) = 0 [pid 1210] chdir("./83" [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1210 [pid 1210] <... chdir resumed>) = 0 [pid 1210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1210] setpgid(0, 0) = 0 [pid 1210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1210] write(3, "1000", 4) = 4 [pid 1210] close(3) = 0 [pid 1210] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1210] write(1, "executing program\n", 18) = 18 [pid 1210] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1210] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1210] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1210] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1195] +++ exited with 0 +++ [pid 1204] <... bpf resumed>) = 5 [pid 1207] <... bpf resumed>) = 5 [pid 1204] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1210] <... bpf resumed>) = 5 [pid 1210] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1210] ioctl(6, PPPIOCNEWUNIT [pid 1207] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1207] <... openat resumed>) = 6 [pid 1204] <... openat resumed>) = 6 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 1207] ioctl(6, PPPIOCNEWUNIT [pid 1204] ioctl(6, PPPIOCNEWUNIT [pid 297] <... restart_syscall resumed>) = 0 [pid 297] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1207] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1207] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1204] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1207] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1207] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1204] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1207] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1207] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1210] <... ioctl resumed>, 0x20001400) = 0 [pid 1204] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] <... openat resumed>) = 3 [pid 1207] <... bpf resumed>) = 8 [pid 1204] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] newfstatat(3, "", [pid 1204] <... bpf resumed>) = 7 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1207] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1204] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] getdents64(3, [pid 1207] <... bpf resumed>) = 9 [pid 1204] <... bpf resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1207] exit_group(0 [pid 1204] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1210] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1207] <... exit_group resumed>) = ? [pid 1204] <... bpf resumed>) = 8 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1210] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1204] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] newfstatat(AT_FDCWD, "./70/binderfs", [pid 1210] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1207] +++ exited with 0 +++ [pid 1204] <... bpf resumed>) = 9 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1210] <... bpf resumed>) = 7 [pid 1204] exit_group(0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] unlink("./70/binderfs" [pid 1210] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1204] <... exit_group resumed>) = ? [pid 297] <... unlink resumed>) = 0 [pid 1210] <... bpf resumed>) = 0 [pid 1204] +++ exited with 0 +++ [pid 297] getdents64(3, [pid 1210] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1210] <... bpf resumed>) = 8 [pid 297] close(3 [pid 1210] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... close resumed>) = 0 [pid 1210] <... bpf resumed>) = 9 [pid 297] rmdir("./70" [pid 295] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1210] exit_group(0 [pid 299] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... rmdir resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1210] <... exit_group resumed>) = ? [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] mkdir("./71", 0777 [pid 295] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... mkdir resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 299] <... openat resumed>) = 3 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] newfstatat(3, "", [pid 299] newfstatat(3, "", [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1216 [pid 295] getdents64(3, [pid 299] getdents64(3, [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./78/binderfs", [pid 299] newfstatat(AT_FDCWD, "./82/binderfs", [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./78/binderfs" [pid 299] unlink("./82/binderfs" [pid 295] <... unlink resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 299] getdents64(3, [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3 [pid 299] close(3 [pid 295] <... close resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 295] rmdir("./78" [pid 299] rmdir("./82" [pid 295] <... rmdir resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 295] mkdir("./79", 0777 [pid 299] mkdir("./83", 0777 [pid 295] <... mkdir resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1218 ./strace-static-x86_64: Process 1216 attached [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1219 [pid 1216] set_robust_list(0x55555719e760, 24) = 0 ./strace-static-x86_64: Process 1218 attached [pid 1216] chdir("./71") = 0 [pid 1218] set_robust_list(0x55555719e760, 24./strace-static-x86_64: Process 1219 attached ) = 0 [pid 1216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1218] chdir("./79" [pid 1219] set_robust_list(0x55555719e760, 24 [pid 1216] setpgid(0, 0) = 0 [pid 1219] <... set_robust_list resumed>) = 0 [pid 1218] <... chdir resumed>) = 0 [pid 1216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1216] <... openat resumed>) = 3 [pid 1219] chdir("./83" [pid 1218] <... prctl resumed>) = 0 [pid 1216] write(3, "1000", 4 [pid 1218] setpgid(0, 0 [pid 1216] <... write resumed>) = 4 [pid 1219] <... chdir resumed>) = 0 [pid 1216] close(3) = 0 [pid 1216] symlink("/dev/binderfs", "./binderfs"executing program [pid 1219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1218] <... setpgid resumed>) = 0 [pid 1216] <... symlink resumed>) = 0 [pid 1216] write(1, "executing program\n", 18) = 18 [pid 1216] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1219] <... prctl resumed>) = 0 [pid 1218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1216] <... bpf resumed>) = 3 [pid 1219] setpgid(0, 0 [pid 1218] <... openat resumed>) = 3 [pid 1216] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1219] <... setpgid resumed>) = 0 [pid 1218] write(3, "1000", 4 [pid 1216] <... bpf resumed>) = 0 [pid 1216] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1218] <... write resumed>) = 4 [pid 1219] <... openat resumed>) = 3 [pid 1218] close(3 [pid 1216] <... bpf resumed>) = 4 [pid 1219] write(3, "1000", 4 [pid 1218] <... close resumed>) = 0 [pid 1216] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1218] symlink("/dev/binderfs", "./binderfs" [pid 1219] <... write resumed>) = 4 [pid 1219] close(3 [pid 1218] <... symlink resumed>) = 0 [pid 1219] <... close resumed>) = 0 executing program [pid 1218] write(1, "executing program\n", 18 [pid 1219] symlink("/dev/binderfs", "./binderfs" [pid 1218] <... write resumed>) = 18 [pid 1219] <... symlink resumed>) = 0 [pid 1218] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 1219] write(1, "executing program\n", 18 [pid 1218] <... bpf resumed>) = 3 [pid 1219] <... write resumed>) = 18 [pid 1218] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1219] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1218] <... bpf resumed>) = 0 [pid 1219] <... bpf resumed>) = 3 [pid 1218] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1219] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1218] <... bpf resumed>) = 4 [pid 1219] <... bpf resumed>) = 0 [pid 1218] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1219] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1218] <... bpf resumed>) = 5 [pid 1216] <... bpf resumed>) = 5 [pid 1210] +++ exited with 0 +++ [pid 1198] +++ exited with 0 +++ [pid 1219] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1218] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1216] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1219] <... bpf resumed>) = 5 [pid 1218] <... openat resumed>) = 6 [pid 1216] <... openat resumed>) = 6 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1219] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1218] ioctl(6, PPPIOCNEWUNIT [pid 1216] ioctl(6, PPPIOCNEWUNIT [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 1219] <... openat resumed>) = 6 [pid 1218] <... ioctl resumed>, 0x20001400) = 0 [pid 1216] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 298] <... restart_syscall resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 1219] ioctl(6, PPPIOCNEWUNIT [pid 1218] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1219] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1218] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1219] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1218] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1219] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1218] <... bpf resumed>) = 7 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1219] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1218] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1216] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1219] <... bpf resumed>) = 7 [pid 1218] <... bpf resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 296] <... openat resumed>) = 3 [pid 1219] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1218] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] newfstatat(3, "", [pid 296] newfstatat(3, "", [pid 1219] <... bpf resumed>) = 0 [pid 1218] <... bpf resumed>) = 8 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1219] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1218] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1216] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] getdents64(3, [pid 296] getdents64(3, [pid 1216] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1216] <... bpf resumed>) = 7 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1216] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1216] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1219] <... bpf resumed>) = 8 [pid 1218] <... bpf resumed>) = 9 [pid 1216] <... bpf resumed>) = 8 [pid 298] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1216] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1219] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1218] exit_group(0 [pid 1216] exit_group(0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1219] <... bpf resumed>) = 9 [pid 1218] <... exit_group resumed>) = ? [pid 1216] <... exit_group resumed>) = ? [pid 298] newfstatat(AT_FDCWD, "./79/binderfs", [pid 296] newfstatat(AT_FDCWD, "./83/binderfs", [pid 1219] exit_group(0 [pid 1216] +++ exited with 0 +++ [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1219] <... exit_group resumed>) = ? [pid 298] unlink("./79/binderfs" [pid 296] unlink("./83/binderfs" [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 298] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 298] getdents64(3, [pid 297] <... restart_syscall resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 297] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] close(3 [pid 297] <... openat resumed>) = 3 [pid 296] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 297] newfstatat(3, "", [pid 296] rmdir("./83" [pid 298] rmdir("./79" [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... rmdir resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 297] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] mkdir("./80", 0777 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] mkdir("./84", 0777 [pid 1219] +++ exited with 0 +++ [pid 297] newfstatat(AT_FDCWD, "./71/binderfs", [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... mkdir resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] unlink("./71/binderfs" [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1222 [pid 297] <... unlink resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1223 [pid 299] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] newfstatat(3, "", [pid 297] close(3 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... close resumed>) = 0 [pid 299] getdents64(3, [pid 297] rmdir("./71"./strace-static-x86_64: Process 1223 attached [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1223] set_robust_list(0x55555719e760, 24) = 0 [pid 1223] chdir("./84") = 0 [pid 299] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... rmdir resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] mkdir("./72", 0777 [pid 299] newfstatat(AT_FDCWD, "./83/binderfs", [pid 1223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1223] setpgid(0, 0) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] unlink("./83/binderfs" [pid 1223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1223] write(3, "1000", 4) = 4 [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1225 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 1223] close(3 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./83" [pid 1223] <... close resumed>) = 0 [pid 1223] symlink("/dev/binderfs", "./binderfs") = 0 [pid 299] <... rmdir resumed>) = 0 [pid 1223] write(1, "executing program\n", 18executing program [pid 299] mkdir("./84", 0777 [pid 1223] <... write resumed>) = 18 [pid 1223] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1223] <... bpf resumed>) = 3 [pid 1223] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1223] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1226 ./strace-static-x86_64: Process 1226 attached ./strace-static-x86_64: Process 1222 attached [pid 1226] set_robust_list(0x55555719e760, 24 [pid 1222] set_robust_list(0x55555719e760, 24 [pid 1226] <... set_robust_list resumed>) = 0 [pid 1223] <... bpf resumed>) = 4 [pid 1222] <... set_robust_list resumed>) = 0 [pid 1223] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1223] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1223] ioctl(6, PPPIOCNEWUNIT [pid 1226] chdir("./84" [pid 1222] chdir("./80"./strace-static-x86_64: Process 1225 attached [pid 1225] set_robust_list(0x55555719e760, 24) = 0 [pid 1225] chdir("./72" [pid 1226] <... chdir resumed>) = 0 [pid 1222] <... chdir resumed>) = 0 [pid 1225] <... chdir resumed>) = 0 [pid 1225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1225] setpgid(0, 0) = 0 [pid 1225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1226] <... prctl resumed>) = 0 [pid 1222] <... prctl resumed>) = 0 [pid 1226] setpgid(0, 0 [pid 1222] setpgid(0, 0 [pid 1226] <... setpgid resumed>) = 0 [pid 1222] <... setpgid resumed>) = 0 [pid 1226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1226] <... openat resumed>) = 3 [pid 1225] <... openat resumed>) = 3 [pid 1226] write(3, "1000", 4 [pid 1225] write(3, "1000", 4 [pid 1223] <... ioctl resumed>, 0x20001400) = 0 [pid 1222] <... openat resumed>) = 3 [pid 1226] <... write resumed>) = 4 [pid 1225] <... write resumed>) = 4 [pid 1222] write(3, "1000", 4 [pid 1226] close(3 [pid 1225] close(3 [pid 1223] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1222] <... write resumed>) = 4 [pid 1225] <... close resumed>) = 0 [pid 1223] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1226] <... close resumed>) = 0 [pid 1222] close(3 [pid 1226] symlink("/dev/binderfs", "./binderfs" [pid 1225] symlink("/dev/binderfs", "./binderfs" [pid 1223] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1225] <... symlink resumed>) = 0 [pid 1223] <... bpf resumed>) = 7 [pid 1222] <... close resumed>) = 0 [pid 1226] <... symlink resumed>) = 0 executing program executing program [pid 1222] symlink("/dev/binderfs", "./binderfs" [pid 1225] write(1, "executing program\n", 18 [pid 1223] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1226] write(1, "executing program\n", 18 [pid 1225] <... write resumed>) = 18 [pid 1223] <... bpf resumed>) = 0 [pid 1226] <... write resumed>) = 18 [pid 1222] <... symlink resumed>) = 0 [pid 1225] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1223] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1226] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 1225] <... bpf resumed>) = 3 [pid 1223] <... bpf resumed>) = 8 [pid 1222] write(1, "executing program\n", 18 [pid 1226] <... bpf resumed>) = 3 [pid 1225] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1223] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1222] <... write resumed>) = 18 [pid 1225] <... bpf resumed>) = 0 [pid 1226] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1223] <... bpf resumed>) = 9 [pid 1222] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1226] <... bpf resumed>) = 0 [pid 1225] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1223] exit_group(0 [pid 1226] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1225] <... bpf resumed>) = 4 [pid 1222] <... bpf resumed>) = 3 [pid 1225] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1223] <... exit_group resumed>) = ? [pid 1226] <... bpf resumed>) = 4 [pid 1225] <... bpf resumed>) = 5 [pid 1222] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1226] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1225] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1222] <... bpf resumed>) = 0 [pid 1226] <... bpf resumed>) = 5 [pid 1225] <... openat resumed>) = 6 [pid 1222] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1226] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1225] ioctl(6, PPPIOCNEWUNIT [pid 1226] <... openat resumed>) = 6 [pid 1225] <... ioctl resumed>, 0x20001400) = 0 [pid 1222] <... bpf resumed>) = 4 [pid 1225] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1226] ioctl(6, PPPIOCNEWUNIT [pid 1222] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1218] +++ exited with 0 +++ [pid 1225] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1225] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1226] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1225] <... bpf resumed>) = 7 [pid 1222] <... bpf resumed>) = 5 [pid 1222] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1226] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1225] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1225] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1226] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1225] <... bpf resumed>) = 8 [pid 1222] <... openat resumed>) = 6 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1225] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1225] exit_group(0) = ? [pid 1226] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1222] ioctl(6, PPPIOCNEWUNIT [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1226] <... bpf resumed>) = 7 [pid 295] <... restart_syscall resumed>) = 0 [pid 1226] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1222] <... ioctl resumed>, 0x20001400) = 0 [pid 1226] <... bpf resumed>) = 0 [pid 1222] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1226] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1222] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1226] <... bpf resumed>) = 8 [pid 1222] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1226] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1222] <... bpf resumed>) = 7 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1226] <... bpf resumed>) = 9 [pid 1222] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1226] exit_group(0 [pid 1222] <... bpf resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 1226] <... exit_group resumed>) = ? [pid 1222] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] newfstatat(3, "", [pid 1226] +++ exited with 0 +++ [pid 1222] <... bpf resumed>) = 8 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1222] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] getdents64(3, [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 1222] <... bpf resumed>) = 9 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... restart_syscall resumed>) = 0 [pid 1222] exit_group(0 [pid 295] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1222] <... exit_group resumed>) = ? [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./79/binderfs", [pid 299] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] newfstatat(3, "", [pid 295] unlink("./79/binderfs") = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, [pid 299] getdents64(3, [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] close(3 [pid 299] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... close resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] rmdir("./79" [pid 299] newfstatat(AT_FDCWD, "./84/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 299] unlink("./84/binderfs") = 0 [pid 295] mkdir("./80", 0777 [pid 299] getdents64(3, [pid 295] <... mkdir resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./84") = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1231 [pid 299] mkdir("./85", 0777./strace-static-x86_64: Process 1231 attached ) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1232 [pid 1231] set_robust_list(0x55555719e760, 24) = 0 [pid 1231] chdir("./80"./strace-static-x86_64: Process 1232 attached ) = 0 [pid 1231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1232] set_robust_list(0x55555719e760, 24 [pid 1231] <... prctl resumed>) = 0 [pid 1232] <... set_robust_list resumed>) = 0 [pid 1231] setpgid(0, 0) = 0 [pid 1231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1232] chdir("./85" [pid 1231] write(3, "1000", 4) = 4 [pid 1232] <... chdir resumed>) = 0 [pid 1231] close(3 [pid 1232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1231] <... close resumed>) = 0 [pid 1231] symlink("/dev/binderfs", "./binderfs" [pid 1232] setpgid(0, 0 [pid 1231] <... symlink resumed>) = 0 [pid 1232] <... setpgid resumed>) = 0 executing program [pid 1231] write(1, "executing program\n", 18) = 18 [pid 1231] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1231] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1231] <... bpf resumed>) = 0 [pid 1231] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1232] <... openat resumed>) = 3 [pid 1232] write(3, "1000", 4 [pid 1231] <... bpf resumed>) = 4 [pid 1231] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1232] <... write resumed>) = 4 [pid 1231] <... bpf resumed>) = 5 [pid 1232] close(3 [pid 1231] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1232] <... close resumed>) = 0 [pid 1232] symlink("/dev/binderfs", "./binderfs" [pid 1231] <... openat resumed>) = 6 [pid 1231] ioctl(6, PPPIOCNEWUNIT [pid 1232] <... symlink resumed>) = 0 [pid 1231] <... ioctl resumed>, 0x20001400) = 0 [pid 1223] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1232] write(1, "executing program\n", 18 [pid 1231] bpf(BPF_PROG_LOAD, NULL, 0executing program [pid 296] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1232] <... write resumed>) = 18 [pid 1231] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./84/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./84/binderfs" [pid 1231] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... unlink resumed>) = 0 [pid 1232] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1231] <... bpf resumed>) = 7 [pid 1232] <... bpf resumed>) = 3 [pid 1231] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 1232] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1231] <... bpf resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./84" [pid 1232] <... bpf resumed>) = 0 [pid 1231] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./85", 0777 [pid 1232] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1231] <... bpf resumed>) = 8 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1235 [pid 1232] <... bpf resumed>) = 4 [pid 1231] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16./strace-static-x86_64: Process 1235 attached [pid 1235] set_robust_list(0x55555719e760, 24 [pid 1232] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1231] <... bpf resumed>) = 9 [pid 1235] <... set_robust_list resumed>) = 0 [pid 1235] chdir("./85") = 0 [pid 1235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1235] setpgid(0, 0) = 0 [pid 1232] <... bpf resumed>) = 5 [pid 1232] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1231] exit_group(0 [pid 1232] <... openat resumed>) = 6 [pid 1231] <... exit_group resumed>) = ? [pid 1235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1235] write(3, "1000", 4) = 4 [pid 1235] close(3) = 0 executing program [pid 1235] symlink("/dev/binderfs", "./binderfs" [pid 1232] ioctl(6, PPPIOCNEWUNIT [pid 1235] <... symlink resumed>) = 0 [pid 1235] write(1, "executing program\n", 18) = 18 [pid 1235] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1235] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1235] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1235] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1235] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1235] ioctl(6, PPPIOCNEWUNIT [pid 1232] <... ioctl resumed>, 0x20001400) = 0 [pid 1235] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1235] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1232] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1232] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1232] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1232] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1235] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1235] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1235] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1235] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1232] <... bpf resumed>) = 8 [pid 1232] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1232] exit_group(0) = ? [pid 1235] <... bpf resumed>) = 8 [pid 1235] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1235] exit_group(0) = ? [pid 1235] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 296] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./85/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./85") = 0 [pid 296] mkdir("./86", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1236 ./strace-static-x86_64: Process 1236 attached [pid 1236] set_robust_list(0x55555719e760, 24) = 0 [pid 1236] chdir("./86") = 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"executing program ) = 0 [pid 1236] write(1, "executing program\n", 18) = 18 [pid 1236] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1236] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1236] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1236] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1236] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1236] ioctl(6, PPPIOCNEWUNIT [pid 1225] +++ exited with 0 +++ [pid 1222] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./80/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./80/binderfs") = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./80") = 0 [pid 298] mkdir("./81", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1236] <... ioctl resumed>, 0x20001400) = 0 ./strace-static-x86_64: Process 1238 attached [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1238 [pid 297] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1236] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1238] set_robust_list(0x55555719e760, 24 [pid 297] <... openat resumed>) = 3 [pid 1238] <... set_robust_list resumed>) = 0 [pid 1236] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] newfstatat(3, "", [pid 1236] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 1236] <... bpf resumed>) = 7 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1236] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1236] <... bpf resumed>) = 0 [pid 1238] chdir("./81" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1236] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1238] <... chdir resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./72/binderfs", [pid 1236] <... bpf resumed>) = 8 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1236] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] unlink("./72/binderfs" [pid 1238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] <... unlink resumed>) = 0 [pid 1236] <... bpf resumed>) = 9 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1236] exit_group(0 [pid 297] close(3) = 0 [pid 1236] <... exit_group resumed>) = ? [pid 1238] <... prctl resumed>) = 0 [pid 297] rmdir("./72") = 0 [pid 297] mkdir("./73", 0777) = 0 [pid 1238] setpgid(0, 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1241 [pid 1238] <... setpgid resumed>) = 0 [pid 1238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 1241 attached ) = 3 [pid 1238] write(3, "1000", 4 [pid 1241] set_robust_list(0x55555719e760, 24 [pid 1238] <... write resumed>) = 4 [pid 1238] close(3 [pid 1241] <... set_robust_list resumed>) = 0 [pid 1238] <... close resumed>) = 0 [pid 1238] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1241] chdir("./73" [pid 1238] write(1, "executing program\n", 18 [pid 1241] <... chdir resumed>) = 0 executing program [pid 1238] <... write resumed>) = 18 [pid 1238] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1238] <... bpf resumed>) = 3 [pid 1241] <... prctl resumed>) = 0 [pid 1238] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1241] setpgid(0, 0 [pid 1238] <... bpf resumed>) = 0 [pid 1241] <... setpgid resumed>) = 0 [pid 1238] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1238] <... bpf resumed>) = 4 [pid 1238] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1238] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1241] <... openat resumed>) = 3 [pid 1238] <... openat resumed>) = 6 [pid 1238] ioctl(6, PPPIOCNEWUNIT [pid 1241] write(3, "1000", 4) = 4 [pid 1241] close(3executing program ) = 0 [pid 1241] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1241] write(1, "executing program\n", 18) = 18 [pid 1241] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1241] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1241] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1241] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1241] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1241] ioctl(6, PPPIOCNEWUNIT [pid 1238] <... ioctl resumed>, 0x20001400) = 0 [pid 1241] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1241] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1241] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1238] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1241] <... bpf resumed>) = 7 [pid 1241] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1241] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1238] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1238] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1238] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1241] <... bpf resumed>) = 8 [pid 1241] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1241] exit_group(0 [pid 1238] <... bpf resumed>) = 8 [pid 1241] <... exit_group resumed>) = ? [pid 1238] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1238] exit_group(0 [pid 1241] +++ exited with 0 +++ [pid 1238] <... exit_group resumed>) = ? [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./73/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./73") = 0 [pid 297] mkdir("./74", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1243 ./strace-static-x86_64: Process 1243 attached [pid 1243] set_robust_list(0x55555719e760, 24) = 0 [pid 1243] chdir("./74") = 0 [pid 1243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1243] setpgid(0, 0) = 0 [pid 1243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1232] +++ exited with 0 +++ [pid 1231] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 295] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./85/binderfs", [pid 295] newfstatat(AT_FDCWD, "./80/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./85/binderfs" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... unlink resumed>) = 0 [pid 295] unlink("./80/binderfs" [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... unlink resumed>) = 0 [pid 299] close(3 [pid 295] getdents64(3, [pid 299] <... close resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] rmdir("./85" [pid 295] close(3 [pid 1243] write(3, "1000", 4 [pid 299] <... rmdir resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 299] mkdir("./86", 0777 [pid 295] rmdir("./80" [pid 1243] <... write resumed>) = 4 [pid 1243] close(3 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./81", 0777 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1245 [pid 1243] <... close resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1243] symlink("/dev/binderfs", "./binderfs" [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1246 [pid 1243] <... symlink resumed>) = 0 executing program [pid 1243] write(1, "executing program\n", 18) = 18 [pid 1243] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1243] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 ./strace-static-x86_64: Process 1245 attached [pid 1245] set_robust_list(0x55555719e760, 24) = 0 [pid 1245] chdir("./86") = 0 [pid 1245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1243] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1245] <... prctl resumed>) = 0 [pid 1243] <... bpf resumed>) = 4 [pid 1245] setpgid(0, 0) = 0 [pid 1243] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1243] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 1246 attached [pid 1245] write(3, "1000", 4 [pid 1246] set_robust_list(0x55555719e760, 24 [pid 1245] <... write resumed>) = 4 [pid 1246] <... set_robust_list resumed>) = 0 [pid 1245] close(3) = 0 [pid 1246] chdir("./81") = 0 [pid 1245] symlink("/dev/binderfs", "./binderfs" [pid 1243] ioctl(6, PPPIOCNEWUNIT [pid 1246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1245] <... symlink resumed>) = 0 executing program [pid 1246] <... prctl resumed>) = 0 [pid 1245] write(1, "executing program\n", 18 [pid 1246] setpgid(0, 0 [pid 1245] <... write resumed>) = 18 [pid 1246] <... setpgid resumed>) = 0 [pid 1245] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1245] <... bpf resumed>) = 3 [pid 1246] <... openat resumed>) = 3 [pid 1245] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1246] write(3, "1000", 4 [pid 1245] <... bpf resumed>) = 0 [pid 1246] <... write resumed>) = 4 [pid 1245] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1246] close(3 [pid 1245] <... bpf resumed>) = 4 [pid 1246] <... close resumed>) = 0 [pid 1245] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1246] symlink("/dev/binderfs", "./binderfs" [pid 1245] <... bpf resumed>) = 5 executing program [pid 1246] <... symlink resumed>) = 0 [pid 1245] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1246] write(1, "executing program\n", 18 [pid 1245] <... openat resumed>) = 6 [pid 1246] <... write resumed>) = 18 [pid 1245] ioctl(6, PPPIOCNEWUNIT [pid 1246] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1246] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1246] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1243] <... ioctl resumed>, 0x20001400) = 0 [pid 1243] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1246] <... bpf resumed>) = 4 [pid 1243] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1246] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1245] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1246] <... bpf resumed>) = 5 [pid 1245] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1243] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1246] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1245] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1246] <... openat resumed>) = 6 [pid 1245] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1243] <... bpf resumed>) = 7 [pid 1246] ioctl(6, PPPIOCNEWUNIT [pid 1245] <... bpf resumed>) = 7 [pid 1243] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1246] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1245] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1243] <... bpf resumed>) = 0 [pid 1246] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1245] <... bpf resumed>) = 0 [pid 1243] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1246] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1245] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1246] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1245] <... bpf resumed>) = 8 [pid 1243] <... bpf resumed>) = 8 [pid 1246] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1245] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1243] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1246] <... bpf resumed>) = 0 [pid 1245] <... bpf resumed>) = 9 [pid 1243] <... bpf resumed>) = 9 [pid 1246] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1245] exit_group(0 [pid 1243] exit_group(0) = ? [pid 1246] <... bpf resumed>) = 8 [pid 1245] <... exit_group resumed>) = ? [pid 1246] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1245] +++ exited with 0 +++ [pid 1246] <... bpf resumed>) = 9 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1246] exit_group(0) = ? [pid 1246] +++ exited with 0 +++ [pid 299] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 299] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./86/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./86/binderfs") = 0 [pid 299] getdents64(3, [pid 295] <... restart_syscall resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 295] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] rmdir("./86" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... rmdir resumed>) = 0 [pid 295] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] mkdir("./87", 0777 [pid 295] <... openat resumed>) = 3 [pid 299] <... mkdir resumed>) = 0 [pid 295] newfstatat(3, "", [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1249 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./81/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./81") = 0 [pid 295] mkdir("./82", 0777) = 0 [pid 1236] +++ exited with 0 +++ [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1249 attached [pid 1249] set_robust_list(0x55555719e760, 24) = 0 [pid 1249] chdir("./87") = 0 [pid 1249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1249] setpgid(0, 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1250 [pid 1249] <... setpgid resumed>) = 0 [pid 1249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 296] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1249] write(3, "1000", 4 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 1250 attached [pid 1249] <... write resumed>) = 4 [pid 296] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1249] close(3 [pid 296] <... openat resumed>) = 3 [pid 1250] set_robust_list(0x55555719e760, 24 [pid 1249] <... close resumed>) = 0 [pid 296] newfstatat(3, "", [pid 1250] <... set_robust_list resumed>) = 0 [pid 1249] symlink("/dev/binderfs", "./binderfs" [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1250] chdir("./82" [pid 1249] <... symlink resumed>) = 0 [pid 296] getdents64(3, [pid 1250] <... chdir resumed>) = 0 [pid 1249] write(1, "executing program\n", 18 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 1250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1249] <... write resumed>) = 18 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1250] <... prctl resumed>) = 0 [pid 1249] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] newfstatat(AT_FDCWD, "./86/binderfs", [pid 1250] setpgid(0, 0 [pid 1249] <... bpf resumed>) = 3 [pid 1250] <... setpgid resumed>) = 0 [pid 1249] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1249] <... bpf resumed>) = 0 [pid 296] unlink("./86/binderfs" [pid 1249] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1250] <... openat resumed>) = 3 [pid 296] <... unlink resumed>) = 0 [pid 1250] write(3, "1000", 4 [pid 1249] <... bpf resumed>) = 4 [pid 296] getdents64(3, [pid 1250] <... write resumed>) = 4 [pid 1249] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1250] close(3 [pid 296] close(3 [pid 1250] <... close resumed>) = 0 [pid 1250] symlink("/dev/binderfs", "./binderfs" [pid 296] <... close resumed>) = 0 [pid 1250] <... symlink resumed>) = 0 [pid 296] rmdir("./86" executing program [pid 1250] write(1, "executing program\n", 18 [pid 1249] <... bpf resumed>) = 5 [pid 1238] +++ exited with 0 +++ [pid 296] <... rmdir resumed>) = 0 [pid 1250] <... write resumed>) = 18 [pid 1249] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1238, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 296] mkdir("./87", 0777 [pid 1250] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1249] <... openat resumed>) = 6 [pid 296] <... mkdir resumed>) = 0 [pid 1250] <... bpf resumed>) = 3 [pid 1249] ioctl(6, PPPIOCNEWUNIT [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1250] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1250] <... bpf resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1253 [pid 1250] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1250] <... bpf resumed>) = 4 [pid 298] <... openat resumed>) = 3 [pid 1250] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] newfstatat(3, "", [pid 1250] <... bpf resumed>) = 5 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1250] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] getdents64(3, [pid 1250] <... openat resumed>) = 6 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1250] ioctl(6, PPPIOCNEWUNIT [pid 298] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./81/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./81") = 0 [pid 298] mkdir("./82", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1254 ./strace-static-x86_64: Process 1253 attached [pid 1253] set_robust_list(0x55555719e760, 24) = 0 [pid 1253] chdir("./87" [pid 1250] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1250] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1249] <... ioctl resumed>, 0x20001400) = 0 [pid 1250] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1250] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1249] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1250] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1249] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1250] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1250] exit_group(0) = ? [pid 1250] +++ exited with 0 +++ [pid 1249] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 295] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1253] <... chdir resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 1253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1249] <... bpf resumed>) = 7 [pid 295] newfstatat(3, "", [pid 1253] <... prctl resumed>) = 0 [pid 1249] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1253] setpgid(0, 0 [pid 295] getdents64(3, [pid 1253] <... setpgid resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1249] <... bpf resumed>) = 0 [pid 295] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1254 attached [pid 1253] <... openat resumed>) = 3 [pid 1249] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1254] set_robust_list(0x55555719e760, 24 [pid 1253] write(3, "1000", 4 [pid 295] newfstatat(AT_FDCWD, "./82/binderfs", [pid 1254] <... set_robust_list resumed>) = 0 [pid 1253] <... write resumed>) = 4 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1254] chdir("./82" [pid 1253] close(3 [pid 1249] <... bpf resumed>) = 8 [pid 295] unlink("./82/binderfs" [pid 1254] <... chdir resumed>) = 0 [pid 1253] <... close resumed>) = 0 [pid 1249] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] <... unlink resumed>) = 0 [pid 1254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1253] symlink("/dev/binderfs", "./binderfs" [pid 295] getdents64(3, [pid 1254] <... prctl resumed>) = 0 [pid 1253] <... symlink resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1254] setpgid(0, 0 [pid 1253] write(1, "executing program\n", 18executing program [pid 295] close(3 [pid 1254] <... setpgid resumed>) = 0 [pid 1253] <... write resumed>) = 18 [pid 295] <... close resumed>) = 0 [pid 1254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1253] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] rmdir("./82" [pid 1254] <... openat resumed>) = 3 [pid 1253] <... bpf resumed>) = 3 [pid 295] <... rmdir resumed>) = 0 [pid 1254] write(3, "1000", 4 [pid 1253] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 295] mkdir("./83", 0777 [pid 1254] <... write resumed>) = 4 [pid 1253] <... bpf resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 1254] close(3 [pid 1253] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1254] <... close resumed>) = 0 [pid 1253] <... bpf resumed>) = 4 [pid 1254] symlink("/dev/binderfs", "./binderfs" [pid 1253] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1255 [pid 1254] <... symlink resumed>) = 0 [pid 1254] write(1, "executing program\n", 18executing program ) = 18 [pid 1254] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1254] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1254] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1254] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 1255 attached [pid 1255] set_robust_list(0x55555719e760, 24) = 0 [pid 1255] chdir("./83") = 0 [pid 1255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1255] setpgid(0, 0) = 0 [pid 1255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1255] write(3, "1000", 4) = 4 [pid 1255] close(3) = 0 [pid 1255] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1255] write(1, "executing program\n", 18 [pid 1243] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1243, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 1254] <... bpf resumed>) = 5 [pid 1253] <... bpf resumed>) = 5 [pid 1249] <... bpf resumed>) = 9 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 1254] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1253] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1254] <... openat resumed>) = 6 [pid 1253] <... openat resumed>) = 6 [pid 1249] exit_group(0 [pid 1254] ioctl(6, PPPIOCNEWUNIT [pid 1253] ioctl(6, PPPIOCNEWUNIT [pid 1249] <... exit_group resumed>) = ? [pid 1254] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1253] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 297] <... restart_syscall resumed>) = 0 [pid 1254] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1253] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1254] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1253] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1254] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1253] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1254] <... bpf resumed>) = 7 [pid 1253] <... bpf resumed>) = 7 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1254] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1253] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1254] <... bpf resumed>) = 0 [pid 1253] <... bpf resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 1254] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1253] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] newfstatat(3, "", [pid 1254] <... bpf resumed>) = 8 [pid 1253] <... bpf resumed>) = 8 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1254] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1253] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] getdents64(3, [pid 1254] <... bpf resumed>) = 9 [pid 1253] <... bpf resumed>) = 9 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1254] exit_group(0 [pid 1253] exit_group(0 [pid 297] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1254] <... exit_group resumed>) = ? [pid 1253] <... exit_group resumed>) = ? [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1254] +++ exited with 0 +++ [pid 1253] +++ exited with 0 +++ [pid 297] newfstatat(AT_FDCWD, "./74/binderfs", executing program [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1255] <... write resumed>) = 18 [pid 297] unlink("./74/binderfs" [pid 1255] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... unlink resumed>) = 0 [pid 1255] <... bpf resumed>) = 3 [pid 298] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] getdents64(3, [pid 296] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1255] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1255] <... bpf resumed>) = 0 [pid 298] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] close(3 [pid 296] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1255] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... openat resumed>) = 3 [pid 297] <... close resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", [pid 297] rmdir("./74" [pid 296] newfstatat(3, "", [pid 1255] <... bpf resumed>) = 4 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1255] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] <... rmdir resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1255] <... bpf resumed>) = 5 [pid 298] getdents64(3, [pid 297] mkdir("./75", 0777 [pid 296] getdents64(3, [pid 1255] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... mkdir resumed>) = 0 [pid 1255] <... openat resumed>) = 6 [pid 298] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1255] ioctl(6, PPPIOCNEWUNIT [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1258 attached [pid 1255] <... ioctl resumed>, 0x20001400) = 0 [pid 298] newfstatat(AT_FDCWD, "./82/binderfs", [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1258 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1255] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(AT_FDCWD, "./87/binderfs", [pid 1255] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] unlink("./82/binderfs" [pid 1255] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... unlink resumed>) = 0 [pid 1255] <... bpf resumed>) = 7 [pid 298] getdents64(3, [pid 1255] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] unlink("./87/binderfs" [pid 1255] <... bpf resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1255] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] close(3 [pid 296] <... unlink resumed>) = 0 [pid 1258] set_robust_list(0x55555719e760, 24) = 0 [pid 1255] <... bpf resumed>) = 8 [pid 1255] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... close resumed>) = 0 [pid 296] getdents64(3, [pid 1255] <... bpf resumed>) = 9 [pid 298] rmdir("./82" [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1255] exit_group(0 [pid 1249] +++ exited with 0 +++ [pid 298] <... rmdir resumed>) = 0 [pid 296] close(3 [pid 1255] <... exit_group resumed>) = ? [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] mkdir("./83", 0777 [pid 296] <... close resumed>) = 0 [pid 1258] chdir("./75" [pid 296] rmdir("./87" [pid 298] <... mkdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] mkdir("./88", 0777 [pid 1258] <... chdir resumed>) = 0 [pid 1258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1259 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1258] setpgid(0, 0 [pid 299] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1260 [pid 299] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1258] <... setpgid resumed>) = 0 [pid 299] getdents64(3, [pid 1258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 1260 attached ./strace-static-x86_64: Process 1259 attached [pid 299] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1260] set_robust_list(0x55555719e760, 24 [pid 1259] set_robust_list(0x55555719e760, 24 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1260] <... set_robust_list resumed>) = 0 [pid 1259] <... set_robust_list resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./87/binderfs", [pid 1260] chdir("./88" [pid 1259] chdir("./83" [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1260] <... chdir resumed>) = 0 [pid 1259] <... chdir resumed>) = 0 [pid 299] unlink("./87/binderfs" [pid 1260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... unlink resumed>) = 0 [pid 1260] <... prctl resumed>) = 0 [pid 1259] <... prctl resumed>) = 0 [pid 299] getdents64(3, [pid 1260] setpgid(0, 0 [pid 1259] setpgid(0, 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1260] <... setpgid resumed>) = 0 [pid 1259] <... setpgid resumed>) = 0 [pid 299] close(3 [pid 1260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... close resumed>) = 0 [pid 1260] <... openat resumed>) = 3 [pid 1259] <... openat resumed>) = 3 [pid 1258] <... openat resumed>) = 3 [pid 299] rmdir("./87" [pid 1260] write(3, "1000", 4 [pid 1259] write(3, "1000", 4 [pid 1258] write(3, "1000", 4 [pid 299] <... rmdir resumed>) = 0 [pid 1260] <... write resumed>) = 4 [pid 1259] <... write resumed>) = 4 [pid 299] mkdir("./88", 0777 [pid 1260] close(3 [pid 1259] close(3 [pid 299] <... mkdir resumed>) = 0 [pid 1260] <... close resumed>) = 0 [pid 1259] <... close resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1260] symlink("/dev/binderfs", "./binderfs" [pid 1259] symlink("/dev/binderfs", "./binderfs" [pid 1258] <... write resumed>) = 4 [pid 1260] <... symlink resumed>) = 0 [pid 1259] <... symlink resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1262 executing program executing program [pid 1260] write(1, "executing program\n", 18 [pid 1259] write(1, "executing program\n", 18 [pid 1258] close(3 [pid 1260] <... write resumed>) = 18 [pid 1259] <... write resumed>) = 18 [pid 1260] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1259] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1260] <... bpf resumed>) = 3 [pid 1259] <... bpf resumed>) = 3 [pid 1258] <... close resumed>) = 0 [pid 1260] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1259] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1258] symlink("/dev/binderfs", "./binderfs" [pid 1260] <... bpf resumed>) = 0 [pid 1259] <... bpf resumed>) = 0 [pid 1260] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1259] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1260] <... bpf resumed>) = 4 [pid 1259] <... bpf resumed>) = 4 [pid 1258] <... symlink resumed>) = 0 [pid 1260] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1259] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16executing program [pid 1258] write(1, "executing program\n", 18) = 18 ./strace-static-x86_64: Process 1262 attached [pid 1262] set_robust_list(0x55555719e760, 24) = 0 [pid 1262] chdir("./88") = 0 [pid 1262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1262] setpgid(0, 0) = 0 [pid 1262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1258] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1262] write(3, "1000", 4 [pid 1258] <... bpf resumed>) = 3 [pid 1258] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1258] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1262] <... write resumed>) = 4 [pid 1262] close(3) = 0 [pid 1262] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1258] <... bpf resumed>) = 4 executing program [pid 1262] write(1, "executing program\n", 18 [pid 1258] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1262] <... write resumed>) = 18 [pid 1262] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1262] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1262] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1262] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1260] <... bpf resumed>) = 5 [pid 1259] <... bpf resumed>) = 5 [pid 1258] <... bpf resumed>) = 5 [pid 1260] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1259] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1260] <... openat resumed>) = 6 [pid 1259] <... openat resumed>) = 6 [pid 1258] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1260] ioctl(6, PPPIOCNEWUNIT [pid 1259] ioctl(6, PPPIOCNEWUNIT [pid 1260] <... ioctl resumed>, 0x20001400) = 0 [pid 1259] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1258] <... openat resumed>) = 6 [pid 1260] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1259] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1260] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1259] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1260] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1259] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1262] <... bpf resumed>) = 5 [pid 1260] <... bpf resumed>) = 7 [pid 1259] <... bpf resumed>) = 7 [pid 1258] ioctl(6, PPPIOCNEWUNIT [pid 1262] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1260] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1259] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1262] <... openat resumed>) = 6 [pid 1260] <... bpf resumed>) = 0 [pid 1259] <... bpf resumed>) = 0 [pid 1262] ioctl(6, PPPIOCNEWUNIT [pid 1260] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1259] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1262] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1260] <... bpf resumed>) = 8 [pid 1259] <... bpf resumed>) = 8 [pid 1258] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1262] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1260] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1259] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1262] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1260] <... bpf resumed>) = 9 [pid 1259] <... bpf resumed>) = 9 [pid 1262] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1260] exit_group(0 [pid 1259] exit_group(0 [pid 1262] <... bpf resumed>) = 7 [pid 1260] <... exit_group resumed>) = ? [pid 1259] <... exit_group resumed>) = ? [pid 1262] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1259] +++ exited with 0 +++ [pid 1258] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1262] <... bpf resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1262] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1258] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1262] <... bpf resumed>) = 8 [pid 1258] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1262] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1262] <... bpf resumed>) = 9 [pid 1258] <... bpf resumed>) = 7 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1262] exit_group(0 [pid 298] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1262] <... exit_group resumed>) = ? [pid 298] <... openat resumed>) = 3 [pid 1262] +++ exited with 0 +++ [pid 1258] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] newfstatat(3, "", [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 1258] <... bpf resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1258] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] newfstatat(AT_FDCWD, "./83/binderfs", [pid 299] <... openat resumed>) = 3 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] newfstatat(3, "", [pid 298] unlink("./83/binderfs" [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 298] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1258] <... bpf resumed>) = 8 [pid 299] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] close(3 [pid 1258] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... close resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./88/binderfs", [pid 298] rmdir("./83" [pid 1258] <... bpf resumed>) = 9 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 299] unlink("./88/binderfs" [pid 298] mkdir("./84", 0777 [pid 1258] exit_group(0 [pid 299] <... unlink resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 299] getdents64(3, [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1258] <... exit_group resumed>) = ? [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1266 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./88") = 0 [pid 299] mkdir("./89", 0777 [pid 1258] +++ exited with 0 +++ [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1267 [pid 297] <... restart_syscall resumed>) = 0 [pid 297] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./75/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./75") = 0 [pid 297] mkdir("./76", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1266 attached , child_tidptr=0x55555719e750) = 1269 [pid 1266] set_robust_list(0x55555719e760, 24) = 0 ./strace-static-x86_64: Process 1267 attached [pid 1267] set_robust_list(0x55555719e760, 24) = 0 [pid 1266] chdir("./84" [pid 1267] chdir("./89") = 0 [pid 1267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1267] setpgid(0, 0) = 0 [pid 1266] <... chdir resumed>) = 0 [pid 1267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1266] setpgid(0, 0 [pid 1267] <... openat resumed>) = 3 [pid 1266] <... setpgid resumed>) = 0 [pid 1267] write(3, "1000", 4) = 4 [pid 1267] close(3) = 0 [pid 1267] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1267] write(1, "executing program\n", 18) = 18 [pid 1267] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1267] <... bpf resumed>) = 3 [pid 1266] write(3, "1000", 4 [pid 1267] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1267] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1266] <... write resumed>) = 4 [pid 1266] close(3) = 0 [pid 1267] <... bpf resumed>) = 4 [pid 1266] symlink("/dev/binderfs", "./binderfs" [pid 1267] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1267] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1267] ioctl(6, PPPIOCNEWUNIT [pid 1266] <... symlink resumed>) = 0 [pid 1266] write(1, "executing program\n", 18executing program ./strace-static-x86_64: Process 1269 attached ) = 18 [pid 1266] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1269] set_robust_list(0x55555719e760, 24) = 0 [pid 1266] <... bpf resumed>) = 3 [pid 1267] <... ioctl resumed>, 0x20001400) = 0 [pid 1266] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1267] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1267] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1266] <... bpf resumed>) = 0 [pid 1267] <... bpf resumed>) = 7 [pid 1267] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1267] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1266] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1269] chdir("./76" [pid 1267] <... bpf resumed>) = 8 [pid 1266] <... bpf resumed>) = 4 [pid 1255] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1267] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1266] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1267] exit_group(0 [pid 295] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1267] <... exit_group resumed>) = ? [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1266] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1266] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1266] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1266] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1266] <... bpf resumed>) = 7 [pid 1266] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1266] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... openat resumed>) = 3 [pid 1266] <... bpf resumed>) = 8 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1266] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] newfstatat(AT_FDCWD, "./83/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./83/binderfs") = 0 [pid 1266] <... bpf resumed>) = 9 [pid 295] getdents64(3, [pid 1266] exit_group(0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1266] <... exit_group resumed>) = ? [pid 295] close(3 [pid 1266] +++ exited with 0 +++ [pid 295] <... close resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] rmdir("./83" [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 1269] <... chdir resumed>) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./84", 0777 [pid 1269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... mkdir resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1269] <... prctl resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1272 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./84/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./84/binderfs" [pid 1269] setpgid(0, 0 [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./84" [pid 1269] <... setpgid resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./85", 0777 [pid 1269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1269] <... openat resumed>) = 3 [pid 1269] write(3, "1000", 4) = 4 [pid 1269] close(3) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1274 ./strace-static-x86_64: Process 1274 attached [pid 1274] set_robust_list(0x55555719e760, 24 [pid 1269] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1269] write(1, "executing program\n", 18executing program ) = 18 [pid 1274] <... set_robust_list resumed>) = 0 [pid 1274] chdir("./85") = 0 [pid 1274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1274] setpgid(0, 0) = 0 [pid 1274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1269] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1274] <... openat resumed>) = 3 [pid 1274] write(3, "1000", 4) = 4 [pid 1274] close(3) = 0 [pid 1274] symlink("/dev/binderfs", "./binderfs" [pid 1269] <... bpf resumed>) = 3 [pid 1274] <... symlink resumed>) = 0 executing program [pid 1274] write(1, "executing program\n", 18) = 18 [pid 1274] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1269] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1274] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1269] <... bpf resumed>) = 0 [pid 1274] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1269] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1274] <... bpf resumed>) = 4 [pid 1269] <... bpf resumed>) = 4 [pid 1274] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1274] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1269] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1274] <... openat resumed>) = 6 [pid 1269] <... bpf resumed>) = 5 [pid 1274] ioctl(6, PPPIOCNEWUNIT [pid 1269] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1269] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1272 attached [pid 1272] set_robust_list(0x55555719e760, 24) = 0 [pid 1272] chdir("./84") = 0 [pid 1272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1274] <... ioctl resumed>, 0x20001400) = 0 [pid 1274] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1269] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1274] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1274] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1269] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1274] <... bpf resumed>) = 7 [pid 1274] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1272] <... prctl resumed>) = 0 [pid 1269] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1274] <... bpf resumed>) = 0 [pid 1274] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1272] setpgid(0, 0 [pid 1269] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1272] <... setpgid resumed>) = 0 [pid 1269] <... bpf resumed>) = 7 [pid 1274] <... bpf resumed>) = 8 [pid 1272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1269] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1274] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1272] <... openat resumed>) = 3 [pid 1269] <... bpf resumed>) = 0 [pid 1274] <... bpf resumed>) = 9 [pid 1272] write(3, "1000", 4 [pid 1269] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1274] exit_group(0 [pid 1272] <... write resumed>) = 4 [pid 1269] <... bpf resumed>) = 8 [pid 1272] close(3 [pid 1269] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1272] <... close resumed>) = 0 [pid 1269] <... bpf resumed>) = 9 [pid 1274] <... exit_group resumed>) = ? [pid 1272] symlink("/dev/binderfs", "./binderfs" [pid 1269] exit_group(0 [pid 1272] <... symlink resumed>) = 0 [pid 1269] <... exit_group resumed>) = ? executing program [pid 1272] write(1, "executing program\n", 18 [pid 1269] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1272] <... write resumed>) = 18 [pid 1272] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1272] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1272] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 297] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1272] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1272] <... bpf resumed>) = 5 [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 1272] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1272] <... openat resumed>) = 6 [pid 297] getdents64(3, [pid 1272] ioctl(6, PPPIOCNEWUNIT [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1272] <... ioctl resumed>, 0x20001400) = 0 [pid 1272] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1272] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1272] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1272] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1260] +++ exited with 0 +++ [pid 297] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1272] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1272] exit_group(0 [pid 297] newfstatat(AT_FDCWD, "./76/binderfs", [pid 1272] <... exit_group resumed>) = ? [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./76/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./76") = 0 [pid 297] mkdir("./77", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1276 [pid 296] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 1276 attached [pid 1276] set_robust_list(0x55555719e760, 24) = 0 [pid 1276] chdir("./77") = 0 [pid 296] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1267] +++ exited with 0 +++ [pid 1276] <... prctl resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1276] setpgid(0, 0) = 0 [pid 1276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1276] write(3, "1000", 4 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] newfstatat(AT_FDCWD, "./88/binderfs", [pid 1276] <... write resumed>) = 4 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 296] unlink("./88/binderfs" [pid 1276] close(3) = 0 [pid 296] <... unlink resumed>) = 0 [pid 299] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] getdents64(3, [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] close(3 [pid 1276] symlink("/dev/binderfs", "./binderfs" [pid 299] <... openat resumed>) = 3 [pid 296] <... close resumed>) = 0 [pid 299] newfstatat(3, "", [pid 296] rmdir("./88" [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1276] <... symlink resumed>) = 0 [pid 299] getdents64(3, [pid 296] <... rmdir resumed>) = 0 [pid 1276] write(1, "executing program\n", 18 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] mkdir("./89", 0777executing program [pid 1276] <... write resumed>) = 18 [pid 299] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1276] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... mkdir resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] newfstatat(AT_FDCWD, "./89/binderfs", [pid 1276] <... bpf resumed>) = 3 [pid 1276] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1276] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./89/binderfs" [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1277 [pid 1276] <... bpf resumed>) = 4 [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 1276] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./89"./strace-static-x86_64: Process 1277 attached [pid 1277] set_robust_list(0x55555719e760, 24) = 0 [pid 1277] chdir("./89" [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./90", 0777 [pid 1277] <... chdir resumed>) = 0 [pid 1277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1277] setpgid(0, 0) = 0 [pid 1277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1277] <... openat resumed>) = 3 [pid 1277] write(3, "1000", 4) = 4 [pid 1277] close(3) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1278 [pid 1277] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1277] write(1, "executing program\n", 18) = 18 [pid 1277] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1277] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1277] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1277] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 1278 attached [pid 1278] set_robust_list(0x55555719e760, 24) = 0 [pid 1278] chdir("./90") = 0 [pid 1278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1278] setpgid(0, 0) = 0 [pid 1278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1278] write(3, "1000", 4) = 4 [pid 1278] close(3) = 0 [pid 1278] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1278] write(1, "executing program\n", 18executing program ) = 18 [pid 1278] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1278] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1278] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1278] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1274] +++ exited with 0 +++ [pid 1277] <... bpf resumed>) = 5 [pid 1276] <... bpf resumed>) = 5 [pid 1276] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1276] <... openat resumed>) = 6 [pid 1276] ioctl(6, PPPIOCNEWUNIT [pid 298] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1277] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1277] <... openat resumed>) = 6 [pid 298] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1277] ioctl(6, PPPIOCNEWUNIT [pid 298] <... openat resumed>) = 3 [pid 1278] <... bpf resumed>) = 5 [pid 298] newfstatat(3, "", [pid 1278] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1278] ioctl(6, PPPIOCNEWUNIT [pid 1277] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1276] <... ioctl resumed>, 0x20001400) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1276] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] getdents64(3, [pid 1276] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1276] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1276] <... bpf resumed>) = 7 [pid 1276] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1276] <... bpf resumed>) = 0 [pid 298] newfstatat(AT_FDCWD, "./85/binderfs", [pid 1276] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1277] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1277] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1277] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1277] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1277] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1276] <... bpf resumed>) = 8 [pid 298] unlink("./85/binderfs" [pid 1277] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1276] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1278] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1277] <... bpf resumed>) = 9 [pid 298] <... unlink resumed>) = 0 [pid 1278] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1277] exit_group(0 [pid 1276] <... bpf resumed>) = 9 [pid 298] getdents64(3, [pid 1278] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1277] <... exit_group resumed>) = ? [pid 1278] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1277] +++ exited with 0 +++ [pid 1276] exit_group(0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1276] <... exit_group resumed>) = ? [pid 298] close(3 [pid 1278] <... bpf resumed>) = 7 [pid 1278] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1278] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 298] <... close resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1278] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 298] rmdir("./85" [pid 1278] <... bpf resumed>) = 9 [pid 298] <... rmdir resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 298] mkdir("./86", 0777 [pid 1278] exit_group(0) = ? [pid 1278] +++ exited with 0 +++ [pid 298] <... mkdir resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 296] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 1279 attached [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1279 [pid 296] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1279] set_robust_list(0x55555719e760, 24 [pid 296] <... openat resumed>) = 3 [pid 1279] <... set_robust_list resumed>) = 0 [pid 299] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] newfstatat(3, "", [pid 1279] chdir("./86" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1279] <... chdir resumed>) = 0 [pid 299] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] getdents64(3, [pid 1279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... openat resumed>) = 3 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1279] <... prctl resumed>) = 0 [pid 299] newfstatat(3, "", [pid 296] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1279] setpgid(0, 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1279] <... setpgid resumed>) = 0 [pid 299] getdents64(3, [pid 296] newfstatat(AT_FDCWD, "./89/binderfs", [pid 1279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1279] <... openat resumed>) = 3 [pid 299] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] unlink("./89/binderfs" [pid 1279] write(3, "1000", 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 1279] <... write resumed>) = 4 [pid 299] newfstatat(AT_FDCWD, "./90/binderfs", [pid 296] getdents64(3, [pid 1279] close(3 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1279] <... close resumed>) = 0 [pid 299] unlink("./90/binderfs" [pid 296] close(3 [pid 1279] symlink("/dev/binderfs", "./binderfs" [pid 299] <... unlink resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 1279] <... symlink resumed>) = 0 [pid 299] getdents64(3, [pid 296] rmdir("./89" [pid 1279] write(1, "executing program\n", 18 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 executing program [pid 296] <... rmdir resumed>) = 0 [pid 1279] <... write resumed>) = 18 [pid 299] close(3 [pid 296] mkdir("./90", 0777 [pid 1279] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... close resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 1279] <... bpf resumed>) = 3 [pid 299] rmdir("./90" [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1279] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] <... rmdir resumed>) = 0 [pid 1279] <... bpf resumed>) = 0 [pid 299] mkdir("./91", 0777 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1281 [pid 1279] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... mkdir resumed>) = 0 [pid 1279] <... bpf resumed>) = 4 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1279] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1282 [pid 1279] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1279] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1279] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1279] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1279] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1279] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1279] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1279] exit_group(0) = ? ./strace-static-x86_64: Process 1282 attached [pid 1282] set_robust_list(0x55555719e760, 24) = 0 [pid 1282] chdir("./91") = 0 [pid 1282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1272] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1282] setpgid(0, 0) = 0 [pid 1282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1282] write(3, "1000", 4) = 4 [pid 1282] close(3) = 0 [pid 1282] symlink("/dev/binderfs", "./binderfs" [pid 295] <... restart_syscall resumed>) = 0 [pid 295] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, ./strace-static-x86_64: Process 1281 attached 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1282] <... symlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1282] write(1, "executing program\n", 18executing program [pid 295] newfstatat(AT_FDCWD, "./84/binderfs", [pid 1282] <... write resumed>) = 18 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1282] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1281] set_robust_list(0x55555719e760, 24 [pid 295] unlink("./84/binderfs" [pid 1282] <... bpf resumed>) = 3 [pid 1281] <... set_robust_list resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 1282] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 295] getdents64(3, [pid 1282] <... bpf resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1282] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] close(3 [pid 1282] <... bpf resumed>) = 4 [pid 1281] chdir("./90" [pid 295] <... close resumed>) = 0 [pid 1282] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1281] <... chdir resumed>) = 0 [pid 295] rmdir("./84" [pid 1282] <... bpf resumed>) = 5 [pid 1281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... rmdir resumed>) = 0 [pid 1282] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] mkdir("./85", 0777 [pid 1282] <... openat resumed>) = 6 [pid 1281] <... prctl resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 1282] ioctl(6, PPPIOCNEWUNIT [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1281] setpgid(0, 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1283 [pid 1282] <... ioctl resumed>, 0x20001400) = 0 [pid 1282] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1282] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1282] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1282] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1281] <... setpgid resumed>) = 0 [pid 1282] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1282] exit_group(0) = ? [pid 1281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1281] write(3, "1000", 4./strace-static-x86_64: Process 1283 attached ) = 4 [pid 1283] set_robust_list(0x55555719e760, 24) = 0 [pid 1283] chdir("./85") = 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 1281] close(3 [pid 1283] write(3, "1000", 4 [pid 1276] +++ exited with 0 +++ [pid 1283] <... write resumed>) = 4 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1283] close(3) = 0 [pid 1283] symlink("/dev/binderfs", "./binderfs" [pid 1281] <... close resumed>) = 0 executing program [pid 1281] symlink("/dev/binderfs", "./binderfs" [pid 1283] <... symlink resumed>) = 0 [pid 297] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1283] write(1, "executing program\n", 18 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1283] <... write resumed>) = 18 [pid 297] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1283] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1281] <... symlink resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 1283] <... bpf resumed>) = 3 [pid 297] newfstatat(3, "", [pid 1283] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1283] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] getdents64(3, executing program [pid 1281] write(1, "executing program\n", 18 [pid 1283] <... bpf resumed>) = 4 [pid 1281] <... write resumed>) = 18 [pid 1283] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1281] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1283] <... bpf resumed>) = 5 [pid 297] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1283] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1283] <... openat resumed>) = 6 [pid 1281] <... bpf resumed>) = 3 [pid 297] newfstatat(AT_FDCWD, "./77/binderfs", [pid 1283] ioctl(6, PPPIOCNEWUNIT [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1281] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1281] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1283] <... ioctl resumed>, 0x20001400) = 0 [pid 297] unlink("./77/binderfs" [pid 1283] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1281] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] <... unlink resumed>) = 0 [pid 1283] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1281] <... bpf resumed>) = 5 [pid 297] getdents64(3, [pid 1283] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1281] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1283] <... bpf resumed>) = 7 [pid 1281] <... openat resumed>) = 6 [pid 297] close(3 [pid 1283] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1281] ioctl(6, PPPIOCNEWUNIT [pid 1283] <... bpf resumed>) = 0 [pid 1281] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 297] <... close resumed>) = 0 [pid 1283] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1281] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 297] rmdir("./77" [pid 1281] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1283] <... bpf resumed>) = 8 [pid 1281] <... bpf resumed>) = 7 [pid 1281] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1283] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1281] <... bpf resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 1283] <... bpf resumed>) = 9 [pid 1281] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] mkdir("./78", 0777 [pid 1283] exit_group(0 [pid 1281] <... bpf resumed>) = 8 [pid 1281] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1283] <... exit_group resumed>) = ? [pid 1281] <... bpf resumed>) = 9 [pid 297] <... mkdir resumed>) = 0 [pid 1281] exit_group(0) = ? [pid 1281] +++ exited with 0 +++ [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1288 attached [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1288 [pid 1288] set_robust_list(0x55555719e760, 24) = 0 [pid 296] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1288] chdir("./78" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1288] <... chdir resumed>) = 0 [pid 296] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... openat resumed>) = 3 [pid 1288] <... prctl resumed>) = 0 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1288] setpgid(0, 0 [pid 296] getdents64(3, [pid 1288] <... setpgid resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1288] <... openat resumed>) = 3 [pid 296] newfstatat(AT_FDCWD, "./90/binderfs", [pid 1288] write(3, "1000", 4 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1288] <... write resumed>) = 4 [pid 296] unlink("./90/binderfs" [pid 1288] close(3 [pid 296] <... unlink resumed>) = 0 [pid 1288] <... close resumed>) = 0 [pid 296] getdents64(3, [pid 1288] symlink("/dev/binderfs", "./binderfs" [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1288] <... symlink resumed>) = 0 [pid 296] close(3executing program [pid 1288] write(1, "executing program\n", 18 [pid 296] <... close resumed>) = 0 [pid 1288] <... write resumed>) = 18 [pid 296] rmdir("./90" [pid 1288] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... rmdir resumed>) = 0 [pid 1288] <... bpf resumed>) = 3 [pid 296] mkdir("./91", 0777 [pid 1288] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] <... mkdir resumed>) = 0 [pid 1288] <... bpf resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1288] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1289 [pid 1288] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1288] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1288] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1289 attached , 0x20001400) = 0 [pid 1289] set_robust_list(0x55555719e760, 24 [pid 1288] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1289] <... set_robust_list resumed>) = 0 [pid 1288] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1289] chdir("./91" [pid 1288] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1289] <... chdir resumed>) = 0 [pid 1288] <... bpf resumed>) = 7 [pid 1289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1288] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1289] <... prctl resumed>) = 0 [pid 1288] <... bpf resumed>) = 0 [pid 1289] setpgid(0, 0 [pid 1288] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1289] <... setpgid resumed>) = 0 [pid 1288] <... bpf resumed>) = 8 [pid 1289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1288] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1289] <... openat resumed>) = 3 [pid 1288] <... bpf resumed>) = 9 [pid 1289] write(3, "1000", 4 [pid 1288] exit_group(0 [pid 1289] <... write resumed>) = 4 [pid 1289] close(3 [pid 1288] <... exit_group resumed>) = ? [pid 1289] <... close resumed>) = 0 [pid 1289] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1289] write(1, "executing program\n", 18executing program ) = 18 [pid 1289] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1289] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1289] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1289] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1289] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1289] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1289] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1289] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1289] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1289] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1282] +++ exited with 0 +++ [pid 1279] +++ exited with 0 +++ [pid 1289] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1289] <... bpf resumed>) = 9 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 1289] exit_group(0 [pid 298] <... restart_syscall resumed>) = 0 [pid 1289] <... exit_group resumed>) = ? [pid 299] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... openat resumed>) = 3 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(3, "", [pid 298] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... openat resumed>) = 3 [pid 299] getdents64(3, [pid 298] newfstatat(3, "", [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] getdents64(3, [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] newfstatat(AT_FDCWD, "./91/binderfs", [pid 298] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./91/binderfs" [pid 298] newfstatat(AT_FDCWD, "./86/binderfs", [pid 299] <... unlink resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] getdents64(3, [pid 298] unlink("./86/binderfs" [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... unlink resumed>) = 0 [pid 299] close(3 [pid 298] getdents64(3, [pid 299] <... close resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] rmdir("./91" [pid 298] close(3 [pid 299] <... rmdir resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 299] mkdir("./92", 0777 [pid 298] rmdir("./86" [pid 299] <... mkdir resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] mkdir("./87", 0777) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1297 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1298 ./strace-static-x86_64: Process 1298 attached [pid 1298] set_robust_list(0x55555719e760, 24) = 0 [pid 1298] chdir("./87") = 0 [pid 1298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1298] setpgid(0, 0) = 0 [pid 1283] +++ exited with 0 +++ ./strace-static-x86_64: Process 1297 attached [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1298] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 1298] write(3, "1000", 4 [pid 295] newfstatat(3, "", [pid 1298] <... write resumed>) = 4 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1298] close(3) = 0 [pid 295] getdents64(3, [pid 1298] symlink("/dev/binderfs", "./binderfs"executing program [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1298] <... symlink resumed>) = 0 [pid 1298] write(1, "executing program\n", 18 [pid 295] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1298] <... write resumed>) = 18 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1298] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] newfstatat(AT_FDCWD, "./85/binderfs", [pid 1298] <... bpf resumed>) = 3 [pid 1297] set_robust_list(0x55555719e760, 24 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1298] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 295] unlink("./85/binderfs" [pid 1298] <... bpf resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 1298] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] getdents64(3, [pid 1297] <... set_robust_list resumed>) = 0 [pid 1297] chdir("./92" [pid 1298] <... bpf resumed>) = 4 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1298] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] close(3) = 0 [pid 295] rmdir("./85") = 0 [pid 295] mkdir("./86", 0777 [pid 1297] <... chdir resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1302 [pid 1297] setpgid(0, 0) = 0 [pid 1297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1288] +++ exited with 0 +++ [pid 1298] <... bpf resumed>) = 5 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1298] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 1298] <... openat resumed>) = 6 [pid 297] <... restart_syscall resumed>) = 0 [pid 1298] ioctl(6, PPPIOCNEWUNIT [pid 1297] <... openat resumed>) = 3 [pid 1297] write(3, "1000", 4 [pid 297] umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1297] <... write resumed>) = 4 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1297] close(3 [pid 297] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1298] <... ioctl resumed>, 0x20001400) = 0 [pid 1297] <... close resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 1298] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1297] symlink("/dev/binderfs", "./binderfs" [pid 297] newfstatat(3, "", [pid 1298] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1297] <... symlink resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1298] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1297] write(1, "executing program\n", 18executing program [pid 297] getdents64(3, [pid 1298] <... bpf resumed>) = 7 [pid 1297] <... write resumed>) = 18 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1298] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1297] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1298] <... bpf resumed>) = 0 [pid 1297] <... bpf resumed>) = 3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1298] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1297] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 297] newfstatat(AT_FDCWD, "./78/binderfs", [pid 1297] <... bpf resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1298] <... bpf resumed>) = 8 [pid 1297] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] unlink("./78/binderfs" [pid 1298] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1297] <... bpf resumed>) = 4 [pid 297] <... unlink resumed>) = 0 [pid 1298] <... bpf resumed>) = 9 [pid 1297] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] getdents64(3, [pid 1298] exit_group(0 [pid 1297] <... bpf resumed>) = 5 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1298] <... exit_group resumed>) = ? [pid 1297] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] close(3 [pid 1297] <... openat resumed>) = 6 [pid 297] <... close resumed>) = 0 [pid 1297] ioctl(6, PPPIOCNEWUNIT [pid 297] rmdir("./78"./strace-static-x86_64: Process 1302 attached ) = 0 [pid 1302] set_robust_list(0x55555719e760, 24 [pid 297] mkdir("./79", 0777 [pid 1302] <... set_robust_list resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 1302] chdir("./86" [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1302] <... chdir resumed>) = 0 [pid 1302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1306 [pid 1302] <... prctl resumed>) = 0 [pid 1302] setpgid(0, 0) = 0 [pid 1302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1302] write(3, "1000", 4) = 4 [pid 1302] close(3) = 0 [pid 1302] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1297] <... ioctl resumed>, 0x20001400) = 0 executing program [pid 1289] +++ exited with 0 +++ ./strace-static-x86_64: Process 1306 attached [pid 1302] write(1, "executing program\n", 18 [pid 1297] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1302] <... write resumed>) = 18 [pid 1297] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1306] set_robust_list(0x55555719e760, 24 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1302] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1297] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 1306] <... set_robust_list resumed>) = 0 [pid 1302] <... bpf resumed>) = 3 [pid 1297] <... bpf resumed>) = 7 [pid 296] <... restart_syscall resumed>) = 0 [pid 1306] chdir("./79" [pid 1302] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1297] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1302] <... bpf resumed>) = 0 [pid 1297] <... bpf resumed>) = 0 [pid 1306] <... chdir resumed>) = 0 [pid 1302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1297] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1302] <... bpf resumed>) = 4 [pid 1297] <... bpf resumed>) = 8 [pid 296] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1306] <... prctl resumed>) = 0 [pid 1302] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1297] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1306] setpgid(0, 0 [pid 1302] <... bpf resumed>) = 5 [pid 1297] <... bpf resumed>) = 9 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1302] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1297] exit_group(0 [pid 1302] <... openat resumed>) = 6 [pid 1297] <... exit_group resumed>) = ? [pid 1306] <... setpgid resumed>) = 0 [pid 1302] ioctl(6, PPPIOCNEWUNIT [pid 296] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 296] <... openat resumed>) = 3 [pid 1306] write(3, "1000", 4 [pid 296] newfstatat(3, "", [pid 1306] <... write resumed>) = 4 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1306] close(3 [pid 296] getdents64(3, [pid 1306] <... close resumed>) = 0 executing program [pid 1306] symlink("/dev/binderfs", "./binderfs" [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1302] <... ioctl resumed>, 0x20001400) = 0 [pid 1306] <... symlink resumed>) = 0 [pid 296] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1306] write(1, "executing program\n", 18 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1306] <... write resumed>) = 18 [pid 296] newfstatat(AT_FDCWD, "./91/binderfs", [pid 1306] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1302] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1306] <... bpf resumed>) = 3 [pid 1302] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] unlink("./91/binderfs" [pid 1306] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1302] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1306] <... bpf resumed>) = 0 [pid 1302] <... bpf resumed>) = 7 [pid 296] <... unlink resumed>) = 0 [pid 1306] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1302] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] getdents64(3, [pid 1302] <... bpf resumed>) = 0 [pid 1302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1306] <... bpf resumed>) = 4 [pid 1302] <... bpf resumed>) = 8 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1306] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1302] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] close(3 [pid 1306] <... bpf resumed>) = 5 [pid 1302] <... bpf resumed>) = 9 [pid 1306] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1302] exit_group(0 [pid 296] <... close resumed>) = 0 [pid 1306] <... openat resumed>) = 6 [pid 1302] <... exit_group resumed>) = ? [pid 296] rmdir("./91" [pid 1306] ioctl(6, PPPIOCNEWUNIT [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./92", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1309 [pid 1306] <... ioctl resumed>, 0x20001400) = 0 [pid 1298] +++ exited with 0 +++ [pid 1306] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1306] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 1306] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... restart_syscall resumed>) = 0 [pid 1306] <... bpf resumed>) = 7 [pid 1306] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 298] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1306] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 1309 attached [pid 1306] <... bpf resumed>) = 8 [pid 298] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1309] set_robust_list(0x55555719e760, 24 [pid 1306] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... openat resumed>) = 3 [pid 1309] <... set_robust_list resumed>) = 0 [pid 1306] <... bpf resumed>) = 9 [pid 298] newfstatat(3, "", [pid 1309] chdir("./92" [pid 1306] exit_group(0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1309] <... chdir resumed>) = 0 [pid 1306] <... exit_group resumed>) = ? [pid 298] getdents64(3, [pid 1309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1309] <... prctl resumed>) = 0 [pid 298] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1309] setpgid(0, 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1309] <... setpgid resumed>) = 0 [pid 298] newfstatat(AT_FDCWD, "./87/binderfs", [pid 1309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1309] <... openat resumed>) = 3 [pid 298] unlink("./87/binderfs" [pid 1309] write(3, "1000", 4 [pid 298] <... unlink resumed>) = 0 [pid 1309] <... write resumed>) = 4 [pid 298] getdents64(3, [pid 1309] close(3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1309] <... close resumed>) = 0 [pid 298] close(3 [pid 1309] symlink("/dev/binderfs", "./binderfs" [pid 298] <... close resumed>) = 0 [pid 1309] <... symlink resumed>) = 0 [pid 298] rmdir("./87"executing program [pid 1309] write(1, "executing program\n", 18 [pid 298] <... rmdir resumed>) = 0 [pid 1309] <... write resumed>) = 18 [pid 298] mkdir("./88", 0777 [pid 1309] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... mkdir resumed>) = 0 [pid 1309] <... bpf resumed>) = 3 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1309] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1313 [pid 1309] <... bpf resumed>) = 0 ./strace-static-x86_64: Process 1313 attached [pid 1313] set_robust_list(0x55555719e760, 24) = 0 [pid 1309] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1313] chdir("./88" [pid 1309] <... bpf resumed>) = 4 [pid 1309] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1309] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1309] ioctl(6, PPPIOCNEWUNIT [pid 1313] <... chdir resumed>) = 0 [pid 1313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1313] setpgid(0, 0) = 0 [pid 1309] <... ioctl resumed>, 0x20001400) = 0 [pid 1313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1313] write(3, "1000", 4) = 4 [pid 1313] close(3 [pid 1309] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1309] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1309] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1309] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1309] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1309] exit_group(0) = ? [pid 1313] <... close resumed>) = 0 [pid 1313] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1313] write(1, "executing program\n", 18) = 18 [pid 1313] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1313] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1313] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1313] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1313] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1313] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1313] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1302] +++ exited with 0 +++ [pid 1297] +++ exited with 0 +++ [pid 1313] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1313] <... bpf resumed>) = 7 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1313] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] <... restart_syscall resumed>) = 0 [pid 1313] <... bpf resumed>) = 0 [pid 1313] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1313] <... bpf resumed>) = 8 [pid 295] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1313] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1313] <... bpf resumed>) = 9 [pid 299] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1313] exit_group(0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... openat resumed>) = 3 [pid 1313] <... exit_group resumed>) = ? [pid 299] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] newfstatat(3, "", [pid 299] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./92/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] getdents64(3, [pid 299] unlink("./92/binderfs") = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] getdents64(3, [pid 295] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./86/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./86/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./86") = 0 [pid 295] mkdir("./87", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1318 [pid 299] close(3) = 0 [pid 299] rmdir("./92") = 0 [pid 299] mkdir("./93", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1319 attached ./strace-static-x86_64: Process 1318 attached [pid 1306] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1319 [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 1319] set_robust_list(0x55555719e760, 24 [pid 297] umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1319] <... set_robust_list resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1319] chdir("./93" [pid 297] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1319] <... chdir resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 1319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1318] set_robust_list(0x55555719e760, 24 [pid 297] newfstatat(3, "", [pid 1319] <... prctl resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1319] setpgid(0, 0 [pid 297] getdents64(3, [pid 1319] <... setpgid resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1319] <... openat resumed>) = 3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1319] write(3, "1000", 4 [pid 1318] <... set_robust_list resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./79/binderfs", [pid 1319] <... write resumed>) = 4 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1319] close(3 [pid 297] unlink("./79/binderfs" [pid 1318] chdir("./87" [pid 297] <... unlink resumed>) = 0 [pid 1319] <... close resumed>) = 0 [pid 297] getdents64(3, [pid 1319] symlink("/dev/binderfs", "./binderfs" [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1319] <... symlink resumed>) = 0 [pid 297] close(3 [pid 1319] write(1, "executing program\n", 18 [pid 297] <... close resumed>) = 0 executing program [pid 1319] <... write resumed>) = 18 [pid 297] rmdir("./79" [pid 1319] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... rmdir resumed>) = 0 [pid 1319] <... bpf resumed>) = 3 [pid 297] mkdir("./80", 0777 [pid 1319] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1318] <... chdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 1319] <... bpf resumed>) = 0 [pid 1309] +++ exited with 0 +++ [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1319] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 1320 attached [pid 1319] <... bpf resumed>) = 4 [pid 1318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1320 [pid 1319] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1318] <... prctl resumed>) = 0 [pid 1319] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1319] ioctl(6, PPPIOCNEWUNIT [pid 1320] set_robust_list(0x55555719e760, 24 [pid 1318] setpgid(0, 0 [pid 1320] <... set_robust_list resumed>) = 0 [pid 1318] <... setpgid resumed>) = 0 [pid 1320] chdir("./80" [pid 1318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1320] <... chdir resumed>) = 0 [pid 1318] <... openat resumed>) = 3 [pid 1320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1318] write(3, "1000", 4 [pid 1320] <... prctl resumed>) = 0 [pid 1318] <... write resumed>) = 4 [pid 296] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1320] setpgid(0, 0 [pid 1318] close(3 [pid 1320] <... setpgid resumed>) = 0 [pid 1318] <... close resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1318] symlink("/dev/binderfs", "./binderfs" [pid 1320] <... openat resumed>) = 3 [pid 1319] <... ioctl resumed>, 0x20001400) = 0 [pid 1318] <... symlink resumed>) = 0 [pid 296] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1320] write(3, "1000", 4 [pid 1318] write(1, "executing program\n", 18executing program [pid 296] <... openat resumed>) = 3 [pid 1320] <... write resumed>) = 4 [pid 1319] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1318] <... write resumed>) = 18 [pid 296] newfstatat(3, "", [pid 1320] close(3 [pid 1318] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1320] <... close resumed>) = 0 [pid 1319] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1318] <... bpf resumed>) = 3 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1320] symlink("/dev/binderfs", "./binderfs" [pid 1319] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1318] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1320] <... symlink resumed>) = 0 [pid 1319] <... bpf resumed>) = 7 [pid 1318] <... bpf resumed>) = 0 [pid 296] getdents64(3, [pid 1320] write(1, "executing program\n", 18 [pid 1319] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1318] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program [pid 1320] <... write resumed>) = 18 [pid 1319] <... bpf resumed>) = 0 [pid 1318] <... bpf resumed>) = 4 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1320] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1319] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1318] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1320] <... bpf resumed>) = 3 [pid 1318] <... bpf resumed>) = 5 [pid 1320] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1318] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1319] <... bpf resumed>) = 8 [pid 1320] <... bpf resumed>) = 0 [pid 1319] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1318] <... openat resumed>) = 6 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1320] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1319] <... bpf resumed>) = 9 [pid 1318] ioctl(6, PPPIOCNEWUNIT [pid 296] newfstatat(AT_FDCWD, "./92/binderfs", [pid 1320] <... bpf resumed>) = 4 [pid 1319] exit_group(0 [pid 1318] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1320] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1319] <... exit_group resumed>) = ? [pid 1318] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] unlink("./92/binderfs" [pid 1320] <... bpf resumed>) = 5 [pid 1318] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1320] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1318] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1320] <... openat resumed>) = 6 [pid 1318] <... bpf resumed>) = 7 [pid 296] <... unlink resumed>) = 0 [pid 1320] ioctl(6, PPPIOCNEWUNIT [pid 1318] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 296] getdents64(3, [pid 1320] <... ioctl resumed>, 0x20001400) = 0 [pid 1318] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1320] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1318] <... bpf resumed>) = 8 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1320] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1318] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] close(3 [pid 1320] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1318] <... bpf resumed>) = 9 [pid 1320] <... bpf resumed>) = 7 [pid 1318] exit_group(0 [pid 296] <... close resumed>) = 0 [pid 1320] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1318] <... exit_group resumed>) = ? [pid 296] rmdir("./92" [pid 1320] <... bpf resumed>) = 0 [pid 1318] +++ exited with 0 +++ [pid 1320] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... rmdir resumed>) = 0 [pid 1320] <... bpf resumed>) = 8 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1320] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] mkdir("./93", 0777 [pid 295] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1320] <... bpf resumed>) = 9 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1320] exit_group(0 [pid 296] <... mkdir resumed>) = 0 [pid 295] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1320] <... exit_group resumed>) = ? [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1323 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./87/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./87/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./87") = 0 [pid 295] mkdir("./88", 0777./strace-static-x86_64: Process 1323 attached ) = 0 [pid 1323] set_robust_list(0x55555719e760, 24 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1323] <... set_robust_list resumed>) = 0 [pid 1323] chdir("./93" [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1324 [pid 1323] <... chdir resumed>) = 0 [pid 1323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 1324 attached [pid 1324] set_robust_list(0x55555719e760, 24) = 0 [pid 1323] setpgid(0, 0) = 0 [pid 1323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1313] +++ exited with 0 +++ [pid 1323] <... openat resumed>) = 3 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1323] write(3, "1000", 4) = 4 [pid 1324] chdir("./88" [pid 1323] close(3 [pid 298] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1323] <... close resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1323] symlink("/dev/binderfs", "./binderfs"executing program [pid 298] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 1323] <... symlink resumed>) = 0 [pid 298] newfstatat(3, "", [pid 1323] write(1, "executing program\n", 18 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1323] <... write resumed>) = 18 [pid 298] getdents64(3, [pid 1323] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1323] <... bpf resumed>) = 3 [pid 1323] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1323] <... bpf resumed>) = 0 [pid 298] newfstatat(AT_FDCWD, "./88/binderfs", [pid 1323] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1324] <... chdir resumed>) = 0 [pid 1324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1324] setpgid(0, 0 [pid 1323] <... bpf resumed>) = 4 [pid 298] unlink("./88/binderfs" [pid 1323] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] <... unlink resumed>) = 0 [pid 1323] <... bpf resumed>) = 5 [pid 298] getdents64(3, [pid 1323] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1324] <... setpgid resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1323] <... openat resumed>) = 6 [pid 298] close(3 [pid 1323] ioctl(6, PPPIOCNEWUNIT [pid 1324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] <... close resumed>) = 0 [pid 1324] <... openat resumed>) = 3 [pid 1324] write(3, "1000", 4) = 4 [pid 1324] close(3 [pid 298] rmdir("./88" [pid 1324] <... close resumed>) = 0 [pid 1324] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1324] write(1, "executing program\n", 18) = 18 [pid 1324] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1323] <... ioctl resumed>, 0x20001400) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 1324] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1323] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] mkdir("./89", 0777 [pid 1324] <... bpf resumed>) = 0 [pid 1323] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1324] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1323] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... mkdir resumed>) = 0 [pid 1324] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1323] <... bpf resumed>) = 7 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1324] <... bpf resumed>) = 5 [pid 1323] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1324] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1324] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1323] <... bpf resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1326 [pid 1324] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1323] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1324] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1324] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1323] <... bpf resumed>) = 8 [pid 1324] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1324] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1323] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1324] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1323] <... bpf resumed>) = 9 [pid 1324] <... bpf resumed>) = 9 [pid 1323] exit_group(0 [pid 1324] exit_group(0 [pid 1323] <... exit_group resumed>) = ? [pid 1324] <... exit_group resumed>) = ? [pid 1324] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 295] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 1326 attached [pid 295] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1326] set_robust_list(0x55555719e760, 24 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1326] <... set_robust_list resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./88/binderfs", [pid 1326] chdir("./89" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1326] <... chdir resumed>) = 0 [pid 295] unlink("./88/binderfs" [pid 1326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... unlink resumed>) = 0 [pid 1326] <... prctl resumed>) = 0 [pid 295] getdents64(3, [pid 1326] setpgid(0, 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1326] <... setpgid resumed>) = 0 [pid 295] close(3 [pid 1326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... close resumed>) = 0 [pid 1326] <... openat resumed>) = 3 [pid 295] rmdir("./88" [pid 1326] write(3, "1000", 4 [pid 295] <... rmdir resumed>) = 0 [pid 1326] <... write resumed>) = 4 [pid 295] mkdir("./89", 0777 [pid 1326] close(3 [pid 295] <... mkdir resumed>) = 0 [pid 1326] <... close resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1326] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1329 [pid 1326] write(1, "executing program\n", 18) = 18 [pid 1326] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1326] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1326] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1326] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1326] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1326] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1329 attached [pid 1329] set_robust_list(0x55555719e760, 24) = 0 [pid 1329] chdir("./89") = 0 [pid 1329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1329] setpgid(0, 0) = 0 [pid 1329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1329] write(3, "1000", 4) = 4 [pid 1329] close(3) = 0 [pid 1329] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1329] write(1, "executing program\n", 18 [pid 1326] <... ioctl resumed>, 0x20001400) = 0 [pid 1320] +++ exited with 0 +++ [pid 1319] +++ exited with 0 +++ [pid 1329] <... write resumed>) = 18 [pid 1326] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1329] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1326] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1329] <... bpf resumed>) = 3 [pid 1326] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 1326] <... bpf resumed>) = 7 [pid 299] <... restart_syscall resumed>) = 0 [pid 1326] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] <... restart_syscall resumed>) = 0 [pid 1326] <... bpf resumed>) = 0 [pid 1329] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1326] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1329] <... bpf resumed>) = 0 [pid 1329] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1326] <... bpf resumed>) = 8 [pid 299] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1329] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1326] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1329] <... bpf resumed>) = 5 [pid 1326] <... bpf resumed>) = 9 [pid 299] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1326] exit_group(0 [pid 299] <... openat resumed>) = 3 [pid 297] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1326] <... exit_group resumed>) = ? [pid 299] newfstatat(3, "", [pid 297] <... openat resumed>) = 3 [pid 1329] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1329] ioctl(6, PPPIOCNEWUNIT [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] newfstatat(3, "", [pid 299] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] getdents64(3, [pid 299] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] newfstatat(AT_FDCWD, "./93/binderfs", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1329] <... ioctl resumed>, 0x20001400) = 0 [pid 1329] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] newfstatat(AT_FDCWD, "./80/binderfs", [pid 1329] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1329] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 299] unlink("./93/binderfs" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1329] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1329] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... unlink resumed>) = 0 [pid 297] unlink("./80/binderfs" [pid 1329] <... bpf resumed>) = 8 [pid 299] getdents64(3, [pid 1329] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... unlink resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] getdents64(3, [pid 299] close(3 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./93" [pid 297] close(3 [pid 1329] <... bpf resumed>) = 9 [pid 1329] exit_group(0 [pid 299] <... rmdir resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 299] mkdir("./94", 0777 [pid 297] rmdir("./80" [pid 1329] <... exit_group resumed>) = ? [pid 299] <... mkdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] mkdir("./81", 0777) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1332 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1332 attached [pid 1323] +++ exited with 0 +++ [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1333 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 1333 attached [pid 1333] set_robust_list(0x55555719e760, 24 [pid 1332] set_robust_list(0x55555719e760, 24 [pid 1333] <... set_robust_list resumed>) = 0 [pid 1333] chdir("./81") = 0 [pid 1333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1332] <... set_robust_list resumed>) = 0 [pid 1332] chdir("./94") = 0 [pid 1332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1333] setpgid(0, 0 [pid 1332] <... prctl resumed>) = 0 [pid 1333] <... setpgid resumed>) = 0 [pid 1333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1333] <... openat resumed>) = 3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1333] write(3, "1000", 4 [pid 296] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1333] <... write resumed>) = 4 [pid 296] <... openat resumed>) = 3 [pid 1333] close(3 [pid 1332] setpgid(0, 0 [pid 296] newfstatat(3, "", [pid 1333] <... close resumed>) = 0 [pid 1332] <... setpgid resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1333] symlink("/dev/binderfs", "./binderfs" [pid 1332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] getdents64(3, [pid 1333] <... symlink resumed>) = 0 [pid 1332] <... openat resumed>) = 3 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 executing program [pid 1333] write(1, "executing program\n", 18 [pid 1332] write(3, "1000", 4 [pid 296] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1333] <... write resumed>) = 18 [pid 1332] <... write resumed>) = 4 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1333] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1332] close(3 [pid 296] newfstatat(AT_FDCWD, "./93/binderfs", [pid 1333] <... bpf resumed>) = 3 [pid 1332] <... close resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1333] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1332] symlink("/dev/binderfs", "./binderfs" [pid 296] unlink("./93/binderfs" [pid 1333] <... bpf resumed>) = 0 [pid 1332] <... symlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 executing program [pid 1333] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1332] write(1, "executing program\n", 18 [pid 296] getdents64(3, [pid 1333] <... bpf resumed>) = 4 [pid 1332] <... write resumed>) = 18 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1333] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1332] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] close(3 [pid 1332] <... bpf resumed>) = 3 [pid 296] <... close resumed>) = 0 [pid 1332] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] rmdir("./93" [pid 1332] <... bpf resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 1332] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] mkdir("./94", 0777 [pid 1332] <... bpf resumed>) = 4 [pid 296] <... mkdir resumed>) = 0 [pid 1332] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1337 ./strace-static-x86_64: Process 1337 attached [pid 1337] set_robust_list(0x55555719e760, 24) = 0 [pid 1337] chdir("./94") = 0 [pid 1337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1337] setpgid(0, 0) = 0 [pid 1337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1329] +++ exited with 0 +++ [pid 1326] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 295] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... restart_syscall resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... openat resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./89/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./89/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./89" [pid 298] newfstatat(3, "", [pid 295] <... rmdir resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] mkdir("./90", 0777 [pid 298] getdents64(3, [pid 295] <... mkdir resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1337] <... openat resumed>) = 3 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1340 [pid 1337] write(3, "1000", 4 [pid 298] newfstatat(AT_FDCWD, "./89/binderfs", [pid 1337] <... write resumed>) = 4 [pid 1337] close(3 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1337] <... close resumed>) = 0 [pid 298] unlink("./89/binderfs" [pid 1337] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 298] <... unlink resumed>) = 0 [pid 1337] write(1, "executing program\n", 18) = 18 [pid 298] getdents64(3, [pid 1337] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1337] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] close(3 [pid 1337] <... bpf resumed>) = 0 [pid 298] <... close resumed>) = 0 ./strace-static-x86_64: Process 1340 attached [pid 1337] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] rmdir("./89" [pid 1337] <... bpf resumed>) = 4 [pid 1337] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1340] set_robust_list(0x55555719e760, 24 [pid 298] <... rmdir resumed>) = 0 [pid 1340] <... set_robust_list resumed>) = 0 [pid 298] mkdir("./90", 0777 [pid 1340] chdir("./90" [pid 298] <... mkdir resumed>) = 0 [pid 1340] <... chdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1341 [pid 1340] setpgid(0, 0) = 0 [pid 1340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1340] write(3, "1000", 4) = 4 [pid 1340] close(3) = 0 [pid 1340] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1340] write(1, "executing program\n", 18) = 18 [pid 1340] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 1341 attached [pid 1341] set_robust_list(0x55555719e760, 24) = 0 [pid 1340] <... bpf resumed>) = 3 [pid 1341] chdir("./90") = 0 [pid 1340] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1340] <... bpf resumed>) = 0 [pid 1341] <... prctl resumed>) = 0 [pid 1341] setpgid(0, 0 [pid 1340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1341] <... setpgid resumed>) = 0 [pid 1341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1340] <... bpf resumed>) = 4 [pid 1341] write(3, "1000", 4 [pid 1340] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1341] <... write resumed>) = 4 [pid 1341] close(3) = 0 [pid 1341] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1341] write(1, "executing program\n", 18executing program ) = 18 [pid 1341] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1340] <... bpf resumed>) = 5 [pid 1337] <... bpf resumed>) = 5 [pid 1333] <... bpf resumed>) = 5 [pid 1332] <... bpf resumed>) = 5 [pid 1341] <... bpf resumed>) = 3 [pid 1340] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1337] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1333] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1332] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1341] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1340] <... openat resumed>) = 6 [pid 1337] <... openat resumed>) = 6 [pid 1333] <... openat resumed>) = 6 [pid 1332] <... openat resumed>) = 6 [pid 1341] <... bpf resumed>) = 0 [pid 1340] ioctl(6, PPPIOCNEWUNIT [pid 1337] ioctl(6, PPPIOCNEWUNIT [pid 1333] ioctl(6, PPPIOCNEWUNIT [pid 1332] ioctl(6, PPPIOCNEWUNIT [pid 1341] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1340] <... ioctl resumed>, 0x20001400) = 0 [pid 1337] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1333] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1332] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1341] <... bpf resumed>) = 4 [pid 1340] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1337] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1333] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1332] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1341] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1340] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1337] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1333] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1332] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1341] <... bpf resumed>) = 5 [pid 1340] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1337] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1333] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1332] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1341] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1340] <... bpf resumed>) = 7 [pid 1337] <... bpf resumed>) = 7 [pid 1333] <... bpf resumed>) = 7 [pid 1332] <... bpf resumed>) = 7 [pid 1341] <... openat resumed>) = 6 [pid 1340] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1337] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1333] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1332] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1341] ioctl(6, PPPIOCNEWUNIT [pid 1340] <... bpf resumed>) = 0 [pid 1337] <... bpf resumed>) = 0 [pid 1333] <... bpf resumed>) = 0 [pid 1332] <... bpf resumed>) = 0 [pid 1341] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1337] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1333] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1332] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1341] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1340] <... bpf resumed>) = 8 [pid 1337] <... bpf resumed>) = 8 [pid 1333] <... bpf resumed>) = 8 [pid 1332] <... bpf resumed>) = 8 [pid 1341] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1337] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1333] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1332] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1341] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1337] <... bpf resumed>) = 9 [pid 1333] <... bpf resumed>) = 9 [pid 1332] <... bpf resumed>) = 9 [pid 1341] <... bpf resumed>) = 7 [pid 1340] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1337] exit_group(0 [pid 1333] exit_group(0 [pid 1332] exit_group(0 [pid 1341] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1340] <... bpf resumed>) = 9 [pid 1337] <... exit_group resumed>) = ? [pid 1333] <... exit_group resumed>) = ? [pid 1332] <... exit_group resumed>) = ? [pid 1341] <... bpf resumed>) = 0 [pid 1340] exit_group(0 [pid 1337] +++ exited with 0 +++ [pid 1333] +++ exited with 0 +++ [pid 1332] +++ exited with 0 +++ [pid 1341] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1341] <... bpf resumed>) = 8 [pid 1340] <... exit_group resumed>) = ? [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1341] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 1341] <... bpf resumed>) = 9 [pid 299] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... restart_syscall resumed>) = 0 [pid 1341] exit_group(0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1341] <... exit_group resumed>) = ? [pid 299] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] newfstatat(3, "", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] getdents64(3, [pid 297] <... openat resumed>) = 3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] newfstatat(3, "", [pid 296] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... openat resumed>) = 3 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, [pid 296] newfstatat(3, "", [pid 299] newfstatat(AT_FDCWD, "./94/binderfs", [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] getdents64(3, [pid 299] unlink("./94/binderfs" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... unlink resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./81/binderfs", [pid 296] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] unlink("./81/binderfs" [pid 296] newfstatat(AT_FDCWD, "./94/binderfs", [pid 1341] +++ exited with 0 +++ [pid 299] close(3 [pid 297] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... close resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] getdents64(3, [pid 296] unlink("./94/binderfs" [pid 299] rmdir("./94" [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... unlink resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 297] close(3 [pid 296] getdents64(3, [pid 299] mkdir("./95", 0777 [pid 298] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... close resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] rmdir("./81" [pid 296] close(3 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... rmdir resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 297] mkdir("./82", 0777 [pid 296] rmdir("./94" [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1346 [pid 298] newfstatat(3, "", [pid 297] <... mkdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] mkdir("./95", 0777 [pid 298] getdents64(3, [pid 296] <... mkdir resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1348 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1348 attached ./strace-static-x86_64: Process 1346 attached [pid 298] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1348] set_robust_list(0x55555719e760, 24 [pid 1346] set_robust_list(0x55555719e760, 24 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1350 [pid 1348] <... set_robust_list resumed>) = 0 [pid 1346] <... set_robust_list resumed>) = 0 [pid 298] newfstatat(AT_FDCWD, "./90/binderfs", [pid 1348] chdir("./82" [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1348] <... chdir resumed>) = 0 [pid 1346] chdir("./95" [pid 298] unlink("./90/binderfs" [pid 1348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1346] <... chdir resumed>) = 0 [pid 1348] <... prctl resumed>) = 0 [pid 1346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] <... unlink resumed>) = 0 [pid 1348] setpgid(0, 0 [pid 1346] <... prctl resumed>) = 0 [pid 298] getdents64(3, [pid 1348] <... setpgid resumed>) = 0 [pid 1346] setpgid(0, 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1346] <... setpgid resumed>) = 0 [pid 298] close(3 [pid 1348] write(3, "1000", 4 [pid 1346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] <... close resumed>) = 0 [pid 1348] <... write resumed>) = 4 [pid 1348] close(3 [pid 1346] <... openat resumed>) = 3 [pid 298] rmdir("./90" [pid 1348] <... close resumed>) = 0 [pid 1346] write(3, "1000", 4 [pid 1348] symlink("/dev/binderfs", "./binderfs" [pid 1346] <... write resumed>) = 4 [pid 298] <... rmdir resumed>) = 0 [pid 1348] <... symlink resumed>) = 0 [pid 1346] close(3 [pid 298] mkdir("./91", 0777 [pid 1348] write(1, "executing program\n", 18 [pid 1346] <... close resumed>) = 0 executing program [pid 298] <... mkdir resumed>) = 0 [pid 1348] <... write resumed>) = 18 [pid 1346] symlink("/dev/binderfs", "./binderfs" [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1348] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1346] <... symlink resumed>) = 0 executing program [pid 1348] <... bpf resumed>) = 3 [pid 1346] write(1, "executing program\n", 18 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1351 [pid 1348] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1346] <... write resumed>) = 18 [pid 1348] <... bpf resumed>) = 0 [pid 1348] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1346] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1348] <... bpf resumed>) = 4 [pid 1348] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1346] <... bpf resumed>) = 3 [pid 1348] <... bpf resumed>) = 5 [pid 1346] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1348] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1346] <... bpf resumed>) = 0 [pid 1348] <... openat resumed>) = 6 [pid 1346] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1348] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1351 attached [pid 1346] <... bpf resumed>) = 4 [pid 1351] set_robust_list(0x55555719e760, 24) = 0 [pid 1351] chdir("./91") = 0 [pid 1351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1351] setpgid(0, 0) = 0 [pid 1351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1348] <... ioctl resumed>, 0x20001400) = 0 [pid 1346] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 1350 attached [pid 1348] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1346] <... bpf resumed>) = 5 [pid 1351] <... openat resumed>) = 3 [pid 1350] set_robust_list(0x55555719e760, 24 [pid 1348] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1346] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1351] write(3, "1000", 4 [pid 1350] <... set_robust_list resumed>) = 0 [pid 1348] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1346] <... openat resumed>) = 6 [pid 1351] <... write resumed>) = 4 [pid 1350] chdir("./95" [pid 1348] <... bpf resumed>) = 7 [pid 1346] ioctl(6, PPPIOCNEWUNIT [pid 1348] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1351] close(3 [pid 1350] <... chdir resumed>) = 0 [pid 1348] <... bpf resumed>) = 0 [pid 1346] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1348] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1346] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1351] <... close resumed>) = 0 [pid 1350] <... prctl resumed>) = 0 [pid 1351] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1350] setpgid(0, 0 [pid 1348] <... bpf resumed>) = 8 [pid 1346] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1351] write(1, "executing program\n", 18 [pid 1350] <... setpgid resumed>) = 0 [pid 1348] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1346] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 1351] <... write resumed>) = 18 [pid 1350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1348] <... bpf resumed>) = 9 [pid 1346] <... bpf resumed>) = 7 [pid 1351] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1348] exit_group(0 [pid 1346] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1350] <... openat resumed>) = 3 [pid 1351] <... bpf resumed>) = 3 [pid 1350] write(3, "1000", 4 [pid 1348] <... exit_group resumed>) = ? [pid 1346] <... bpf resumed>) = 0 [pid 1350] <... write resumed>) = 4 [pid 1351] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1351] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1350] close(3 [pid 1346] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1351] <... bpf resumed>) = 4 [pid 1351] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1346] <... bpf resumed>) = 8 [pid 1351] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1351] ioctl(6, PPPIOCNEWUNIT [pid 1350] <... close resumed>) = 0 [pid 1346] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1350] symlink("/dev/binderfs", "./binderfs" [pid 1346] <... bpf resumed>) = 9 [pid 1351] <... ioctl resumed>, 0x20001400) = 0 [pid 1350] <... symlink resumed>) = 0 [pid 1346] exit_group(0executing program [pid 1351] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1350] write(1, "executing program\n", 18 [pid 1346] <... exit_group resumed>) = ? [pid 1351] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1350] <... write resumed>) = 18 [pid 1346] +++ exited with 0 +++ [pid 1351] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1350] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1351] <... bpf resumed>) = 7 [pid 1350] <... bpf resumed>) = 3 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1351] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1350] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 1351] <... bpf resumed>) = 0 [pid 1350] <... bpf resumed>) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 1351] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1350] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1351] <... bpf resumed>) = 8 [pid 1350] <... bpf resumed>) = 4 [pid 1351] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1350] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1351] <... bpf resumed>) = 9 [pid 1350] <... bpf resumed>) = 5 [pid 299] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1351] exit_group(0 [pid 1350] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1351] <... exit_group resumed>) = ? [pid 1350] <... openat resumed>) = 6 [pid 299] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1350] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1350] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] <... openat resumed>) = 3 [pid 1350] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1350] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] newfstatat(3, "", [pid 1350] <... bpf resumed>) = 7 [pid 1350] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1350] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1340] +++ exited with 0 +++ [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1350] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] getdents64(3, [pid 1350] <... bpf resumed>) = 9 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1350] exit_group(0 [pid 299] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1350] <... exit_group resumed>) = ? [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1350] +++ exited with 0 +++ [pid 299] newfstatat(AT_FDCWD, "./95/binderfs", [pid 295] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./95/binderfs") = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1350, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] getdents64(3, [pid 295] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 295] <... openat resumed>) = 3 [pid 299] <... close resumed>) = 0 [pid 296] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] newfstatat(3, "", [pid 299] rmdir("./95" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... rmdir resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] mkdir("./96", 0777 [pid 296] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... mkdir resumed>) = 0 [pid 295] getdents64(3, [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... openat resumed>) = 3 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] newfstatat(3, "", [pid 295] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1356 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] getdents64(3, [pid 295] newfstatat(AT_FDCWD, "./90/binderfs", [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] unlink("./90/binderfs" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./95/binderfs", [pid 295] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] unlink("./95/binderfs" [pid 295] close(3 [pid 296] <... unlink resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 296] getdents64(3, [pid 295] rmdir("./90" [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 296] close(3 [pid 295] mkdir("./91", 0777 [pid 296] <... close resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 1356 attached [pid 296] rmdir("./95" [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1356] set_robust_list(0x55555719e760, 24 [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./96", 0777 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1357 [pid 1356] <... set_robust_list resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1356] chdir("./96" [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1358 ./strace-static-x86_64: Process 1358 attached [pid 1356] <... chdir resumed>) = 0 [pid 1358] set_robust_list(0x55555719e760, 24) = 0 [pid 1356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1358] chdir("./96") = 0 [pid 1358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1358] setpgid(0, 0) = 0 [pid 1356] <... prctl resumed>) = 0 [pid 1358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1356] setpgid(0, 0 [pid 1358] write(3, "1000", 4) = 4 [pid 1358] close(3) = 0 [pid 1358] symlink("/dev/binderfs", "./binderfs" [pid 1356] <... setpgid resumed>) = 0 [pid 1358] <... symlink resumed>) = 0 executing program [pid 1358] write(1, "executing program\n", 18) = 18 [pid 1358] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1358] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1358] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1356] <... openat resumed>) = 3 [pid 1356] write(3, "1000", 4) = 4 [pid 1356] close(3./strace-static-x86_64: Process 1357 attached ) = 0 [pid 1356] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1356] write(1, "executing program\n", 18 [pid 1357] set_robust_list(0x55555719e760, 24 [pid 1356] <... write resumed>) = 18 [pid 1358] <... bpf resumed>) = 4 [pid 1358] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1358] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1356] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1357] <... set_robust_list resumed>) = 0 [pid 1358] ioctl(6, PPPIOCNEWUNIT [pid 1356] <... bpf resumed>) = 3 [pid 1356] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1357] chdir("./91" [pid 1356] <... bpf resumed>) = 0 [pid 1357] <... chdir resumed>) = 0 [pid 1356] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1356] <... bpf resumed>) = 4 [pid 1357] <... prctl resumed>) = 0 [pid 1356] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1357] setpgid(0, 0 [pid 1356] <... bpf resumed>) = 5 [pid 1357] <... setpgid resumed>) = 0 [pid 1356] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1356] <... openat resumed>) = 6 [pid 1358] <... ioctl resumed>, 0x20001400) = 0 [pid 1358] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1356] ioctl(6, PPPIOCNEWUNIT [pid 1358] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1357] <... openat resumed>) = 3 [pid 1358] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1356] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1357] write(3, "1000", 4 [pid 1358] <... bpf resumed>) = 0 [pid 1358] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1357] <... write resumed>) = 4 [pid 1356] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1357] close(3 [pid 1358] <... bpf resumed>) = 8 [pid 1357] <... close resumed>) = 0 [pid 1356] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1358] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1358] exit_group(0) = ? [pid 1357] symlink("/dev/binderfs", "./binderfs" [pid 1356] <... bpf resumed>) = 7 [pid 1357] <... symlink resumed>) = 0 [pid 1356] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4executing program ) = 0 [pid 1357] write(1, "executing program\n", 18) = 18 [pid 1356] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1357] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1356] <... bpf resumed>) = 8 [pid 1357] <... bpf resumed>) = 3 [pid 1356] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1357] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1356] <... bpf resumed>) = 9 [pid 1357] <... bpf resumed>) = 0 [pid 1356] exit_group(0 [pid 1351] +++ exited with 0 +++ [pid 1348] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1357] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1356] <... exit_group resumed>) = ? [pid 297] umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./82/binderfs" [pid 1357] <... bpf resumed>) = 4 [pid 297] <... unlink resumed>) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./82" [pid 1357] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./83", 0777 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... restart_syscall resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1360 ./strace-static-x86_64: Process 1360 attached [pid 1360] set_robust_list(0x55555719e760, 24) = 0 [pid 1360] chdir("./83") = 0 [pid 1360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1360] setpgid(0, 0) = 0 [pid 1360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1360] write(3, "1000", 4) = 4 [pid 1360] close(3) = 0 [pid 1360] symlink("/dev/binderfs", "./binderfs" [pid 1356] +++ exited with 0 +++ [pid 1357] <... bpf resumed>) = 5 [pid 298] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1357] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1356, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1357] <... openat resumed>) = 6 [pid 298] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./91/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./91/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 1357] ioctl(6, PPPIOCNEWUNIT [pid 299] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... close resumed>) = 0 [pid 298] rmdir("./91") = 0 [pid 298] mkdir("./92", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1362 ./strace-static-x86_64: Process 1362 attached [pid 1360] <... symlink resumed>) = 0 [pid 1357] <... ioctl resumed>, 0x20001400) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1362] set_robust_list(0x55555719e760, 24) = 0 [pid 1362] chdir("./92") = 0 [pid 1362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1362] setpgid(0, 0 [pid 1360] write(1, "executing program\n", 18executing program [pid 1357] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1362] <... setpgid resumed>) = 0 [pid 1360] <... write resumed>) = 18 [pid 1357] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1360] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1357] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... openat resumed>) = 3 [pid 1362] <... openat resumed>) = 3 [pid 1360] <... bpf resumed>) = 3 [pid 1357] <... bpf resumed>) = 7 [pid 299] newfstatat(3, "", [pid 1362] write(3, "1000", 4 [pid 1360] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1357] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1362] <... write resumed>) = 4 [pid 1360] <... bpf resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1357] <... bpf resumed>) = 0 [pid 1362] close(3 [pid 1360] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1357] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] getdents64(3, [pid 1362] <... close resumed>) = 0 [pid 1362] symlink("/dev/binderfs", "./binderfs" [pid 1360] <... bpf resumed>) = 4 [pid 1362] <... symlink resumed>) = 0 [pid 1360] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16executing program [pid 1357] <... bpf resumed>) = 8 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1362] write(1, "executing program\n", 18 [pid 1360] <... bpf resumed>) = 5 [pid 1362] <... write resumed>) = 18 [pid 1357] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1360] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1362] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1360] <... openat resumed>) = 6 [pid 1357] <... bpf resumed>) = 9 [pid 1362] <... bpf resumed>) = 3 [pid 1360] ioctl(6, PPPIOCNEWUNIT [pid 1357] exit_group(0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1362] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1360] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1357] <... exit_group resumed>) = ? [pid 299] newfstatat(AT_FDCWD, "./96/binderfs", [pid 1362] <... bpf resumed>) = 0 [pid 1360] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1362] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1360] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1362] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1360] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] unlink("./96/binderfs" [pid 1362] <... bpf resumed>) = 5 [pid 1360] <... bpf resumed>) = 7 [pid 1362] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1360] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... unlink resumed>) = 0 [pid 1362] ioctl(6, PPPIOCNEWUNIT [pid 1360] <... bpf resumed>) = 0 [pid 299] getdents64(3, [pid 1360] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1360] <... bpf resumed>) = 8 [pid 299] close(3 [pid 1362] <... ioctl resumed>, 0x20001400) = 0 [pid 1360] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... close resumed>) = 0 [pid 1362] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1360] <... bpf resumed>) = 9 [pid 299] rmdir("./96" [pid 1362] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1360] exit_group(0 [pid 299] <... rmdir resumed>) = 0 [pid 1362] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1360] <... exit_group resumed>) = ? [pid 299] mkdir("./97", 0777 [pid 1362] <... bpf resumed>) = 7 [pid 1360] +++ exited with 0 +++ [pid 1358] +++ exited with 0 +++ [pid 299] <... mkdir resumed>) = 0 [pid 1362] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1362] <... bpf resumed>) = 0 [pid 1362] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1365 ./strace-static-x86_64: Process 1365 attached [pid 1365] set_robust_list(0x55555719e760, 24 [pid 1362] <... bpf resumed>) = 8 [pid 297] umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1362] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1362] <... bpf resumed>) = 9 [pid 297] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1362] exit_group(0 [pid 297] <... openat resumed>) = 3 [pid 296] <... openat resumed>) = 3 [pid 1362] <... exit_group resumed>) = ? [pid 297] newfstatat(3, "", [pid 296] newfstatat(3, "", [pid 1365] <... set_robust_list resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 296] getdents64(3, [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1365] chdir("./97") = 0 [pid 1365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1365] setpgid(0, 0) = 0 [pid 1365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./96/binderfs", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1365] <... openat resumed>) = 3 [pid 297] newfstatat(AT_FDCWD, "./83/binderfs", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./96/binderfs" [pid 297] unlink("./83/binderfs" [pid 296] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 297] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3 [pid 296] close(3 [pid 297] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 297] rmdir("./83" [pid 296] rmdir("./96" [pid 1365] write(3, "1000", 4 [pid 297] <... rmdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 297] mkdir("./84", 0777 [pid 296] mkdir("./97", 0777 [pid 1365] <... write resumed>) = 4 [pid 297] <... mkdir resumed>) = 0 [pid 1365] close(3 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... mkdir resumed>) = 0 [pid 1365] <... close resumed>) = 0 [pid 1365] symlink("/dev/binderfs", "./binderfs" [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1366 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1367 [pid 1365] <... symlink resumed>) = 0 [pid 1365] write(1, "executing program\n", 18executing program ) = 18 [pid 1365] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 1367 attached ) = 3 [pid 1367] set_robust_list(0x55555719e760, 24 [pid 1365] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1367] <... set_robust_list resumed>) = 0 [pid 1365] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1367] chdir("./97" [pid 1365] <... bpf resumed>) = 4 [pid 1367] <... chdir resumed>) = 0 [pid 1365] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1365] <... bpf resumed>) = 5 [pid 1367] <... prctl resumed>) = 0 [pid 1365] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1367] setpgid(0, 0 [pid 1365] <... openat resumed>) = 6 [pid 1367] <... setpgid resumed>) = 0 [pid 1367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1365] ioctl(6, PPPIOCNEWUNIT [pid 1367] <... openat resumed>) = 3 [pid 1367] write(3, "1000", 4./strace-static-x86_64: Process 1366 attached [pid 1366] set_robust_list(0x55555719e760, 24) = 0 [pid 1366] chdir("./84") = 0 [pid 1366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1366] setpgid(0, 0) = 0 [pid 1367] <... write resumed>) = 4 [pid 1366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1367] close(3) = 0 [pid 1366] <... openat resumed>) = 3 [pid 1367] symlink("/dev/binderfs", "./binderfs"executing program [pid 1366] write(3, "1000", 4 [pid 1367] <... symlink resumed>) = 0 [pid 1367] write(1, "executing program\n", 18 [pid 1366] <... write resumed>) = 4 [pid 1367] <... write resumed>) = 18 [pid 1366] close(3 [pid 1367] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1366] <... close resumed>) = 0 [pid 1367] <... bpf resumed>) = 3 [pid 1366] symlink("/dev/binderfs", "./binderfs" [pid 1367] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1366] <... symlink resumed>) = 0 [pid 1367] <... bpf resumed>) = 0 [pid 1367] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1366] write(1, "executing program\n", 18executing program ) = 18 [pid 1367] <... bpf resumed>) = 4 [pid 1366] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1367] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1366] <... bpf resumed>) = 3 [pid 1367] <... bpf resumed>) = 5 [pid 1366] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1367] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1366] <... bpf resumed>) = 0 [pid 1365] <... ioctl resumed>, 0x20001400) = 0 [pid 1366] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1365] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1366] <... bpf resumed>) = 4 [pid 1365] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1366] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1365] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1366] <... bpf resumed>) = 5 [pid 1365] <... bpf resumed>) = 7 [pid 1366] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1365] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1366] <... openat resumed>) = 6 [pid 1365] <... bpf resumed>) = 0 [pid 1366] ioctl(6, PPPIOCNEWUNIT [pid 1365] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1367] <... openat resumed>) = 6 [pid 1366] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1365] <... bpf resumed>) = 8 [pid 1366] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1365] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1367] ioctl(6, PPPIOCNEWUNIT [pid 1366] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1365] <... bpf resumed>) = 9 [pid 1366] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1365] exit_group(0 [pid 1367] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1367] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1366] <... bpf resumed>) = 7 [pid 1365] <... exit_group resumed>) = ? [pid 1367] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1366] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1367] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1367] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1366] <... bpf resumed>) = 0 [pid 1367] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1367] exit_group(0) = ? [pid 1367] +++ exited with 0 +++ [pid 1366] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 1366] <... bpf resumed>) = 8 [pid 296] <... restart_syscall resumed>) = 0 [pid 1366] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1366] <... bpf resumed>) = 9 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 1366] exit_group(0 [pid 1357] +++ exited with 0 +++ [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./97/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] unlink("./97/binderfs" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1366] <... exit_group resumed>) = ? [pid 296] <... unlink resumed>) = 0 [pid 295] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] getdents64(3, [pid 295] <... openat resumed>) = 3 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] newfstatat(3, "", [pid 296] close(3 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... close resumed>) = 0 [pid 295] getdents64(3, [pid 296] rmdir("./97" [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... rmdir resumed>) = 0 [pid 295] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1366] +++ exited with 0 +++ [pid 296] mkdir("./98", 0777 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... mkdir resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./91/binderfs", [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 295] unlink("./91/binderfs" [pid 297] <... restart_syscall resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1370 [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] close(3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... close resumed>) = 0 [pid 297] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] rmdir("./91" [pid 297] <... openat resumed>) = 3 [pid 295] <... rmdir resumed>) = 0 [pid 297] newfstatat(3, "", [pid 295] mkdir("./92", 0777 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 297] getdents64(3, [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1371 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./84/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./84/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./84") = 0 [pid 297] mkdir("./85", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1372 ./strace-static-x86_64: Process 1372 attached [pid 1372] set_robust_list(0x55555719e760, 24) = 0 [pid 1372] chdir("./85"./strace-static-x86_64: Process 1371 attached [pid 1371] set_robust_list(0x55555719e760, 24) = 0 [pid 1372] <... chdir resumed>) = 0 [pid 1371] chdir("./92" [pid 1372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1372] setpgid(0, 0) = 0 [pid 1372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1371] <... chdir resumed>) = 0 [pid 1371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1371] setpgid(0, 0) = 0 [pid 1371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1372] <... openat resumed>) = 3 [pid 1371] <... openat resumed>) = 3 [pid 1372] write(3, "1000", 4) = 4 [pid 1372] close(3) = 0 [pid 1372] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1371] write(3, "1000", 4) = 4 [pid 1371] close(3) = 0 [pid 1371] symlink("/dev/binderfs", "./binderfs" executing program [pid 1372] write(1, "executing program\n", 18) = 18 [pid 1372] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1371] <... symlink resumed>) = 0 executing program [pid 1372] <... bpf resumed>) = 3 [pid 1371] write(1, "executing program\n", 18) = 18 [pid 1371] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1372] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1372] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 1370 attached ) = 4 [pid 1371] <... bpf resumed>) = 3 [pid 1371] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1371] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1370] set_robust_list(0x55555719e760, 24) = 0 [pid 1371] <... bpf resumed>) = 4 [pid 1370] chdir("./98" [pid 1372] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1371] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1372] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1371] <... bpf resumed>) = 5 [pid 1372] <... openat resumed>) = 6 [pid 1372] ioctl(6, PPPIOCNEWUNIT [pid 1371] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1370] <... chdir resumed>) = 0 [pid 1371] <... openat resumed>) = 6 [pid 1370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1371] ioctl(6, PPPIOCNEWUNIT [pid 1370] <... prctl resumed>) = 0 [pid 1370] setpgid(0, 0) = 0 [pid 1370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1372] <... ioctl resumed>, 0x20001400) = 0 [pid 1371] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1370] write(3, "1000", 4 [pid 1371] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1371] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1370] <... write resumed>) = 4 [pid 1372] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1371] <... bpf resumed>) = 7 [pid 1372] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1371] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1370] close(3 [pid 1372] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1371] <... bpf resumed>) = 0 [pid 1372] <... bpf resumed>) = 7 [pid 1371] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1370] <... close resumed>) = 0 [pid 1372] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1371] <... bpf resumed>) = 8 [pid 1370] symlink("/dev/binderfs", "./binderfs" [pid 1372] <... bpf resumed>) = 0 [pid 1371] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1372] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1371] <... bpf resumed>) = 9 executing program [pid 1372] <... bpf resumed>) = 8 [pid 1371] exit_group(0 [pid 1370] <... symlink resumed>) = 0 [pid 1372] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1371] <... exit_group resumed>) = ? [pid 1370] write(1, "executing program\n", 18 [pid 1372] <... bpf resumed>) = 9 [pid 1371] +++ exited with 0 +++ [pid 1370] <... write resumed>) = 18 [pid 1372] exit_group(0 [pid 1370] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1372] <... exit_group resumed>) = ? [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1370] <... bpf resumed>) = 3 [pid 295] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 1370] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 295] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./92/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./92/binderfs" [pid 1370] <... bpf resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./92" [pid 1370] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./93", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1370] <... bpf resumed>) = 4 [pid 1370] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1374 [pid 1370] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 1374 attached [pid 1374] set_robust_list(0x55555719e760, 24) = 0 [pid 1374] chdir("./93" [pid 1370] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1374] <... chdir resumed>) = 0 [pid 1374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1374] setpgid(0, 0) = 0 [pid 1374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1370] <... openat resumed>) = 6 [pid 1370] ioctl(6, PPPIOCNEWUNITexecuting program [pid 1374] write(3, "1000", 4) = 4 [pid 1374] close(3) = 0 [pid 1374] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1374] write(1, "executing program\n", 18) = 18 [pid 1370] <... ioctl resumed>, 0x20001400) = 0 [pid 1365] +++ exited with 0 +++ [pid 1362] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1370] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1370] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1374] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1370] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] newfstatat(AT_FDCWD, "./92/binderfs", [pid 1374] <... bpf resumed>) = 3 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1374] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] unlink("./92/binderfs" [pid 1374] <... bpf resumed>) = 0 [pid 1370] <... bpf resumed>) = 7 [pid 299] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... unlink resumed>) = 0 [pid 1374] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] getdents64(3, [pid 1374] <... bpf resumed>) = 4 [pid 1370] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1374] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] close(3 [pid 1374] <... bpf resumed>) = 5 [pid 298] <... close resumed>) = 0 [pid 1374] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1370] <... bpf resumed>) = 0 [pid 298] rmdir("./92" [pid 1374] <... openat resumed>) = 6 [pid 1370] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... rmdir resumed>) = 0 [pid 1374] ioctl(6, PPPIOCNEWUNIT [pid 298] mkdir("./93", 0777 [pid 1374] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 298] <... mkdir resumed>) = 0 [pid 1374] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1374] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1370] <... bpf resumed>) = 8 [pid 299] <... openat resumed>) = 3 [pid 1374] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1377 [pid 1374] <... bpf resumed>) = 7 [pid 1370] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] newfstatat(3, "", [pid 1374] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1374] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1370] <... bpf resumed>) = 9 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1374] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1374] exit_group(0 [pid 1370] exit_group(0 [pid 299] getdents64(3, [pid 1374] <... exit_group resumed>) = ? [pid 1374] +++ exited with 0 +++ [pid 1370] <... exit_group resumed>) = ? [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 1377 attached [pid 1377] set_robust_list(0x55555719e760, 24) = 0 [pid 1377] chdir("./93") = 0 [pid 1377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1377] setpgid(0, 0) = 0 [pid 1377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... restart_syscall resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] newfstatat(AT_FDCWD, "./97/binderfs", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./93/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./93/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./93" [pid 299] unlink("./97/binderfs" [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./94", 0777 [pid 299] <... unlink resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] getdents64(3, [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1379 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 1377] <... openat resumed>) = 3 [pid 1377] write(3, "1000", 4) = 4 [pid 1377] close(3) = 0 [pid 1377] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 1379 attached [pid 299] rmdir("./97"executing program [pid 1377] <... symlink resumed>) = 0 [pid 1377] write(1, "executing program\n", 18) = 18 [pid 1377] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... rmdir resumed>) = 0 [pid 1379] set_robust_list(0x55555719e760, 24 [pid 1377] <... bpf resumed>) = 3 [pid 1377] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1377] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1379] <... set_robust_list resumed>) = 0 [pid 299] mkdir("./98", 0777 [pid 1377] <... bpf resumed>) = 4 [pid 299] <... mkdir resumed>) = 0 [pid 1379] chdir("./94" [pid 1377] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1379] <... chdir resumed>) = 0 [pid 1377] <... bpf resumed>) = 5 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1377] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1377] ioctl(6, PPPIOCNEWUNIT [pid 1379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1380 [pid 1379] setpgid(0, 0) = 0 [pid 1379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1379] write(3, "1000", 4./strace-static-x86_64: Process 1380 attached [pid 1380] set_robust_list(0x55555719e760, 24) = 0 [pid 1380] chdir("./98") = 0 [pid 1380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1380] setpgid(0, 0) = 0 [pid 1380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1379] <... write resumed>) = 4 [pid 1380] <... openat resumed>) = 3 [pid 1380] write(3, "1000", 4) = 4 [pid 1379] close(3) = 0 [pid 1380] close(3) = 0 [pid 1380] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1379] symlink("/dev/binderfs", "./binderfs" [pid 1380] write(1, "executing program\n", 18) = 18 [pid 1380] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program ) = 3 [pid 1379] <... symlink resumed>) = 0 [pid 1380] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1379] write(1, "executing program\n", 18) = 18 [pid 1379] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1380] <... bpf resumed>) = 0 [pid 1380] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1379] <... bpf resumed>) = 3 [pid 1379] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1379] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1377] <... ioctl resumed>, 0x20001400) = 0 [pid 1377] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1377] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1380] <... bpf resumed>) = 4 [pid 1377] <... bpf resumed>) = 7 [pid 1380] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1377] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1380] <... bpf resumed>) = 5 [pid 1377] <... bpf resumed>) = 0 [pid 1380] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1377] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1372] +++ exited with 0 +++ [pid 1380] <... openat resumed>) = 6 [pid 1379] <... bpf resumed>) = 4 [pid 1377] <... bpf resumed>) = 8 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1380] ioctl(6, PPPIOCNEWUNIT [pid 1379] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1377] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1380] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1379] <... bpf resumed>) = 5 [pid 1377] <... bpf resumed>) = 9 [pid 1380] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1379] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1377] exit_group(0 [pid 297] umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1380] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1377] <... exit_group resumed>) = ? [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1380] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1379] <... openat resumed>) = 6 [pid 297] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1380] <... bpf resumed>) = 7 [pid 297] <... openat resumed>) = 3 [pid 1380] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] newfstatat(3, "", [pid 1380] <... bpf resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1380] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] getdents64(3, [pid 1380] <... bpf resumed>) = 8 [pid 1379] ioctl(6, PPPIOCNEWUNIT [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1380] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1380] <... bpf resumed>) = 9 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1380] exit_group(0 [pid 297] newfstatat(AT_FDCWD, "./85/binderfs", [pid 1380] <... exit_group resumed>) = ? [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1380] +++ exited with 0 +++ [pid 1379] <... ioctl resumed>, 0x20001400) = 0 [pid 297] unlink("./85/binderfs" [pid 1379] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... unlink resumed>) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./85" [pid 1379] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./86", 0777 [pid 1379] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1379] <... bpf resumed>) = 7 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1383 [pid 1379] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 ./strace-static-x86_64: Process 1383 attached [pid 1383] set_robust_list(0x55555719e760, 24) = 0 [pid 1383] chdir("./86") = 0 [pid 1383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1383] setpgid(0, 0) = 0 [pid 1383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1379] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1383] <... openat resumed>) = 3 [pid 1383] write(3, "1000", 4) = 4 [pid 1383] close(3 [pid 1379] <... bpf resumed>) = 8 [pid 1383] <... close resumed>) = 0 [pid 1379] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1383] symlink("/dev/binderfs", "./binderfs" [pid 299] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1379] <... bpf resumed>) = 9 executing program [pid 1383] <... symlink resumed>) = 0 [pid 1383] write(1, "executing program\n", 18) = 18 [pid 1383] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1379] exit_group(0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1379] <... exit_group resumed>) = ? [pid 1383] <... bpf resumed>) = 3 [pid 299] <... openat resumed>) = 3 [pid 1383] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1383] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1383] <... bpf resumed>) = 4 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1383] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1383] <... bpf resumed>) = 5 [pid 1383] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1383] ioctl(6, PPPIOCNEWUNIT [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./98/binderfs") = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./98") = 0 [pid 299] mkdir("./99", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1383] <... ioctl resumed>, 0x20001400) = 0 [pid 1383] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1383] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1383] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1383] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1385 [pid 1383] <... bpf resumed>) = 8 [pid 1383] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1383] exit_group(0) = ? ./strace-static-x86_64: Process 1385 attached [pid 1385] set_robust_list(0x55555719e760, 24) = 0 [pid 1385] chdir("./99") = 0 [pid 1385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1385] setpgid(0, 0) = 0 [pid 1385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1385] write(3, "1000", 4) = 4 [pid 1385] close(3) = 0 [pid 1385] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1385] write(1, "executing program\n", 18) = 18 [pid 1385] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1385] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1385] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1385] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1385] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1385] ioctl(6, PPPIOCNEWUNIT [pid 1370] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 1385] <... ioctl resumed>, 0x20001400) = 0 [pid 1385] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1385] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1385] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1385] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... restart_syscall resumed>) = 0 [pid 296] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./98/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./98") = 0 [pid 296] mkdir("./99", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1389 [pid 1385] <... bpf resumed>) = 8 [pid 1385] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1385] exit_group(0) = ? ./strace-static-x86_64: Process 1389 attached [pid 1389] set_robust_list(0x55555719e760, 24) = 0 [pid 1389] chdir("./99") = 0 [pid 1389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1389] setpgid(0, 0) = 0 [pid 1389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1389] write(3, "1000", 4) = 4 [pid 1389] close(3) = 0 [pid 1389] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1389] write(1, "executing program\n", 18executing program ) = 18 [pid 1389] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1389] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1389] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1377] +++ exited with 0 +++ [pid 1389] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1379] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 298] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... restart_syscall resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] newfstatat(3, "", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] getdents64(3, [pid 295] <... openat resumed>) = 3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] newfstatat(3, "", [pid 298] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] getdents64(3, [pid 298] newfstatat(AT_FDCWD, "./93/binderfs", [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] unlink("./93/binderfs" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... unlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./94/binderfs", [pid 298] getdents64(3, [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] unlink("./94/binderfs" [pid 298] close(3 [pid 295] <... unlink resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 295] getdents64(3, [pid 298] rmdir("./93" [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 295] close(3 [pid 298] mkdir("./94", 0777 [pid 295] <... close resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 295] rmdir("./94" [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./95", 0777 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1393 [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1394 ./strace-static-x86_64: Process 1394 attached [pid 1394] set_robust_list(0x55555719e760, 24) = 0 [pid 1394] chdir("./95") = 0 [pid 1394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1394] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 1393 attached [pid 1394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1394] write(3, "1000", 4) = 4 [pid 1393] set_robust_list(0x55555719e760, 24) = 0 [pid 1393] chdir("./94" [pid 1394] close(3) = 0 [pid 1394] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1393] <... chdir resumed>) = 0 [pid 1394] write(1, "executing program\n", 18 [pid 1393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1393] setpgid(0, 0executing program [pid 1394] <... write resumed>) = 18 [pid 1394] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1393] <... setpgid resumed>) = 0 [pid 1394] <... bpf resumed>) = 3 [pid 1393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1394] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1393] <... openat resumed>) = 3 [pid 1393] write(3, "1000", 4) = 4 [pid 1393] close(3) = 0 [pid 1393] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1393] write(1, "executing program\n", 18) = 18 [pid 1393] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1393] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1394] <... bpf resumed>) = 0 [pid 1394] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1393] <... bpf resumed>) = 0 [pid 1393] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1394] <... bpf resumed>) = 4 [pid 1394] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1393] <... bpf resumed>) = 4 [pid 1393] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1389] <... bpf resumed>) = 5 [pid 1383] +++ exited with 0 +++ [pid 1389] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1394] <... bpf resumed>) = 5 [pid 1393] <... bpf resumed>) = 5 [pid 1389] <... openat resumed>) = 6 [pid 1385] +++ exited with 0 +++ [pid 1394] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1393] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1389] ioctl(6, PPPIOCNEWUNIT [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1394] <... openat resumed>) = 6 [pid 1393] <... openat resumed>) = 6 [pid 1389] <... ioctl resumed>, 0x20001400) = 0 [pid 297] umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1393] ioctl(6, PPPIOCNEWUNIT [pid 1389] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1393] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1389] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1393] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1389] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... openat resumed>) = 3 [pid 1393] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1389] <... bpf resumed>) = 7 [pid 297] newfstatat(3, "", [pid 1393] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1389] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1393] <... bpf resumed>) = 7 [pid 1389] <... bpf resumed>) = 0 [pid 297] getdents64(3, [pid 1393] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1389] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1394] ioctl(6, PPPIOCNEWUNIT [pid 1393] <... bpf resumed>) = 0 [pid 1389] <... bpf resumed>) = 8 [pid 297] umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1393] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1389] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1394] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1393] <... bpf resumed>) = 8 [pid 1389] <... bpf resumed>) = 9 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./86/binderfs", [pid 1394] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1393] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1389] exit_group(0 [pid 299] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1394] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1393] <... bpf resumed>) = 9 [pid 1389] <... exit_group resumed>) = ? [pid 299] <... openat resumed>) = 3 [pid 297] unlink("./86/binderfs" [pid 1394] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1393] exit_group(0 [pid 299] newfstatat(3, "", [pid 297] <... unlink resumed>) = 0 [pid 1393] <... exit_group resumed>) = ? [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 1393] +++ exited with 0 +++ [pid 299] getdents64(3, [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] close(3 [pid 299] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... close resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] rmdir("./86" [pid 299] newfstatat(AT_FDCWD, "./99/binderfs", [pid 297] <... rmdir resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] mkdir("./87", 0777 [pid 1394] <... bpf resumed>) = 7 [pid 299] unlink("./99/binderfs" [pid 297] <... mkdir resumed>) = 0 [pid 1394] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... unlink resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1396 attached [pid 1394] <... bpf resumed>) = 0 [pid 299] getdents64(3, [pid 1396] set_robust_list(0x55555719e760, 24 [pid 1394] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1396 [pid 1394] <... bpf resumed>) = 8 [pid 299] close(3 [pid 298] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1396] <... set_robust_list resumed>) = 0 [pid 1394] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... close resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1394] <... bpf resumed>) = 9 [pid 299] rmdir("./99" [pid 298] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1396] chdir("./87" [pid 1394] exit_group(0 [pid 299] <... rmdir resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 1394] <... exit_group resumed>) = ? [pid 299] mkdir("./100", 0777 [pid 298] newfstatat(3, "", [pid 1394] +++ exited with 0 +++ [pid 299] <... mkdir resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] getdents64(3, [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1394, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1396] <... chdir resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1397 [pid 298] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] newfstatat(AT_FDCWD, "./94/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./94/binderfs") = 0 [pid 298] getdents64(3, [pid 1396] <... prctl resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1396] setpgid(0, 0 [pid 298] close(3 [pid 295] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... close resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 298] rmdir("./94" [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... rmdir resumed>) = 0 [pid 295] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] mkdir("./95", 0777 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./95/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./95/binderfs" [pid 298] <... mkdir resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./95"./strace-static-x86_64: Process 1398 attached [pid 1396] <... setpgid resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1398 [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./96", 0777 [pid 1398] set_robust_list(0x55555719e760, 24 [pid 1396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1399 ./strace-static-x86_64: Process 1397 attached [pid 1397] set_robust_list(0x55555719e760, 24) = 0 [pid 1397] chdir("./100" [pid 1398] <... set_robust_list resumed>) = 0 [pid 1396] <... openat resumed>) = 3 [pid 1397] <... chdir resumed>) = 0 [pid 1398] chdir("./95" [pid 1396] write(3, "1000", 4 [pid 1397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1397] setpgid(0, 0) = 0 [pid 1398] <... chdir resumed>) = 0 [pid 1397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1396] <... write resumed>) = 4 [pid 1397] <... openat resumed>) = 3 [pid 1398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1396] close(3 [pid 1397] write(3, "1000", 4 [pid 1396] <... close resumed>) = 0 [pid 1398] <... prctl resumed>) = 0 [pid 1397] <... write resumed>) = 4 [pid 1397] close(3) = 0 [pid 1397] symlink("/dev/binderfs", "./binderfs" [pid 1396] symlink("/dev/binderfs", "./binderfs" [pid 1397] <... symlink resumed>) = 0 executing program [pid 1396] <... symlink resumed>) = 0 [pid 1397] write(1, "executing program\n", 18) = 18 [pid 1397] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 1398] setpgid(0, 0 [pid 1396] write(1, "executing program\n", 18 [pid 1397] <... bpf resumed>) = 3 [pid 1396] <... write resumed>) = 18 [pid 1398] <... setpgid resumed>) = 0 [pid 1397] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1396] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1389] +++ exited with 0 +++ [pid 1397] <... bpf resumed>) = 0 [pid 1396] <... bpf resumed>) = 3 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1397] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1396] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1397] <... bpf resumed>) = 4 [pid 1396] <... bpf resumed>) = 0 ./strace-static-x86_64: Process 1399 attached [pid 1397] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1396] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1399] set_robust_list(0x55555719e760, 24 [pid 1398] <... openat resumed>) = 3 [pid 1397] <... bpf resumed>) = 5 [pid 1399] <... set_robust_list resumed>) = 0 [pid 1397] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1399] chdir("./96" [pid 1398] write(3, "1000", 4 [pid 1397] <... openat resumed>) = 6 [pid 1396] <... bpf resumed>) = 4 [pid 1399] <... chdir resumed>) = 0 [pid 1398] <... write resumed>) = 4 [pid 1397] ioctl(6, PPPIOCNEWUNIT [pid 1396] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1398] close(3 [pid 1397] <... ioctl resumed>, 0x20001400) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1399] <... prctl resumed>) = 0 [pid 1397] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1399] setpgid(0, 0 [pid 1397] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] <... openat resumed>) = 3 [pid 1399] <... setpgid resumed>) = 0 [pid 1397] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] newfstatat(3, "", [pid 1399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1397] <... bpf resumed>) = 7 [pid 1396] <... bpf resumed>) = 5 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1399] <... openat resumed>) = 3 [pid 1397] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] getdents64(3, [pid 1399] write(3, "1000", 4 [pid 1397] <... bpf resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1399] <... write resumed>) = 4 [pid 1397] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1399] close(3 [pid 1398] <... close resumed>) = 0 [pid 1397] <... bpf resumed>) = 8 [pid 1396] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1399] <... close resumed>) = 0 [pid 1398] symlink("/dev/binderfs", "./binderfs" [pid 1397] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1396] <... openat resumed>) = 6 [pid 296] newfstatat(AT_FDCWD, "./99/binderfs", [pid 1399] symlink("/dev/binderfs", "./binderfs" [pid 1397] <... bpf resumed>) = 9 [pid 1398] <... symlink resumed>) = 0 [pid 1396] ioctl(6, PPPIOCNEWUNIT [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1399] <... symlink resumed>) = 0 [pid 1398] write(1, "executing program\n", 18 [pid 1397] exit_group(0 [pid 1396] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 296] unlink("./99/binderfs" executing program [pid 1399] write(1, "executing program\n", 18 [pid 1398] <... write resumed>) = 18 [pid 1397] <... exit_group resumed>) = ? [pid 1396] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] <... unlink resumed>) = 0 [pid 1399] <... write resumed>) = 18 [pid 1398] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] getdents64(3, [pid 1399] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1398] <... bpf resumed>) = 3 [pid 1396] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1399] <... bpf resumed>) = 3 [pid 1398] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1396] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] close(3 [pid 1399] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1398] <... bpf resumed>) = 0 [pid 1396] <... bpf resumed>) = 7 [pid 296] <... close resumed>) = 0 [pid 1399] <... bpf resumed>) = 0 [pid 1398] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1396] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] rmdir("./99" [pid 1399] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... rmdir resumed>) = 0 [pid 1399] <... bpf resumed>) = 4 [pid 1398] <... bpf resumed>) = 4 [pid 1396] <... bpf resumed>) = 0 [pid 296] mkdir("./100", 0777 [pid 1399] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1398] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1396] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... mkdir resumed>) = 0 [pid 1399] <... bpf resumed>) = 5 [pid 1398] <... bpf resumed>) = 5 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1399] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1398] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1396] <... bpf resumed>) = 8 [pid 1399] <... openat resumed>) = 6 [pid 1398] <... openat resumed>) = 6 [pid 1396] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1401 [pid 1399] ioctl(6, PPPIOCNEWUNIT [pid 1398] ioctl(6, PPPIOCNEWUNIT [pid 1396] <... bpf resumed>) = 9 [pid 1399] <... ioctl resumed>, 0x20001400) = 0 [pid 1399] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1398] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1396] exit_group(0 [pid 1399] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1399] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1398] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1396] <... exit_group resumed>) = ? [pid 1399] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1398] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1399] <... bpf resumed>) = 0 [pid 1399] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1398] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1396] +++ exited with 0 +++ [pid 1399] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1398] <... bpf resumed>) = 7 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1399] <... bpf resumed>) = 9 [pid 1398] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1399] exit_group(0 [pid 1398] <... bpf resumed>) = 0 [pid 1399] <... exit_group resumed>) = ? [pid 1398] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1398] <... bpf resumed>) = 8 [pid 297] umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./87/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./87/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./87" [pid 1398] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... rmdir resumed>) = 0 [pid 1398] <... bpf resumed>) = 9 [pid 297] mkdir("./88", 0777./strace-static-x86_64: Process 1401 attached [pid 1398] exit_group(0 [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1401] set_robust_list(0x55555719e760, 24 [pid 1398] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 1403 attached [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1403 [pid 1398] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1398, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1403] set_robust_list(0x55555719e760, 24 [pid 1401] <... set_robust_list resumed>) = 0 [pid 298] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 1401] chdir("./100" [pid 1403] <... set_robust_list resumed>) = 0 [pid 298] newfstatat(3, "", [pid 1401] <... chdir resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 1401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1403] chdir("./88" [pid 1401] <... prctl resumed>) = 0 [pid 298] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1401] setpgid(0, 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1401] <... setpgid resumed>) = 0 [pid 1403] <... chdir resumed>) = 0 [pid 298] newfstatat(AT_FDCWD, "./95/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./95/binderfs" [pid 1401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./95") = 0 [pid 1403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1401] <... openat resumed>) = 3 [pid 298] mkdir("./96", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1401] write(3, "1000", 4 [pid 1403] <... prctl resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1404 [pid 1401] <... write resumed>) = 4 [pid 1403] setpgid(0, 0) = 0 [pid 1401] close(3) = 0 [pid 1401] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1401] write(1, "executing program\n", 18executing program ) = 18 [pid 1403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1401] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1401] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1401] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1403] <... openat resumed>) = 3 ./strace-static-x86_64: Process 1404 attached [pid 1404] set_robust_list(0x55555719e760, 24) = 0 [pid 1404] chdir("./96") = 0 [pid 1404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1401] <... bpf resumed>) = 4 [pid 1404] setpgid(0, 0) = 0 [pid 1403] write(3, "1000", 4 [pid 1401] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1403] <... write resumed>) = 4 [pid 1401] <... bpf resumed>) = 5 [pid 1397] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1401] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1401] ioctl(6, PPPIOCNEWUNITexecuting program [pid 1404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1404] write(3, "1000", 4) = 4 [pid 1404] close(3) = 0 [pid 1404] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1404] write(1, "executing program\n", 18) = 18 [pid 1404] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1401] <... ioctl resumed>, 0x20001400) = 0 [pid 1404] <... bpf resumed>) = 3 [pid 299] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1404] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1404] <... bpf resumed>) = 0 [pid 1401] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] <... openat resumed>) = 3 [pid 1404] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] newfstatat(3, "", [pid 1403] close(3 [pid 1401] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 1401] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1403] <... close resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1401] <... bpf resumed>) = 7 [pid 299] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1401] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] newfstatat(AT_FDCWD, "./100/binderfs", [pid 1401] <... bpf resumed>) = 0 [pid 1403] symlink("/dev/binderfs", "./binderfs" [pid 1401] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./100/binderfs") = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./100") = 0 [pid 1404] <... bpf resumed>) = 4 [pid 1401] <... bpf resumed>) = 8 [pid 299] mkdir("./101", 0777 [pid 1404] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1404] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1404] ioctl(6, PPPIOCNEWUNIT [pid 299] <... mkdir resumed>) = 0 [pid 1401] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1403] <... symlink resumed>) = 0 [pid 1404] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1404] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1404] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 1401] <... bpf resumed>) = 9 [pid 1403] write(1, "executing program\n", 18 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1406 [pid 1401] exit_group(0 [pid 1403] <... write resumed>) = 18 [pid 1404] <... bpf resumed>) = 7 [pid 1404] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1404] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1403] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1401] <... exit_group resumed>) = ? [pid 1403] <... bpf resumed>) = 3 [pid 1403] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1399] +++ exited with 0 +++ [pid 1403] <... bpf resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1403] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1404] <... bpf resumed>) = 8 [pid 295] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1404] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1404] <... bpf resumed>) = 9 [pid 295] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1404] exit_group(0 [pid 295] <... openat resumed>) = 3 [pid 1404] <... exit_group resumed>) = ? [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1403] <... bpf resumed>) = 4 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1403] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] newfstatat(AT_FDCWD, "./96/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./96/binderfs") = 0 [pid 1403] <... bpf resumed>) = 5 [pid 295] getdents64(3, [pid 1403] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1404] +++ exited with 0 +++ [pid 1403] <... openat resumed>) = 6 [pid 295] close(3 [pid 1403] ioctl(6, PPPIOCNEWUNIT [pid 295] <... close resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1404, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 1406 attached [pid 1406] set_robust_list(0x55555719e760, 24) = 0 [pid 1406] chdir("./101") = 0 [pid 1406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1403] <... ioctl resumed>, 0x20001400) = 0 [pid 1406] <... prctl resumed>) = 0 [pid 1403] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 295] rmdir("./96" [pid 1406] setpgid(0, 0 [pid 1403] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] <... restart_syscall resumed>) = 0 [pid 1406] <... setpgid resumed>) = 0 [pid 1403] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] <... rmdir resumed>) = 0 [pid 1406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1403] <... bpf resumed>) = 7 [pid 295] mkdir("./97", 0777 [pid 1406] <... openat resumed>) = 3 [pid 1403] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1406] write(3, "1000", 4) = 4 [pid 1403] <... bpf resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1403] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1406] close(3executing program ) = 0 [pid 1406] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1403] <... bpf resumed>) = 8 [pid 298] <... openat resumed>) = 3 [pid 1406] write(1, "executing program\n", 18 [pid 1403] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] newfstatat(3, "", [pid 1403] <... bpf resumed>) = 9 [pid 1406] <... write resumed>) = 18 [pid 1403] exit_group(0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1408 [pid 1403] <... exit_group resumed>) = ? [pid 298] getdents64(3, [pid 1406] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1406] <... bpf resumed>) = 3 [pid 298] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1406] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1406] <... bpf resumed>) = 0 [pid 1406] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1406] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1406] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1406] ioctl(6, PPPIOCNEWUNIT [pid 298] newfstatat(AT_FDCWD, "./96/binderfs", [pid 1406] <... ioctl resumed>, 0x20001400) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1406] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] unlink("./96/binderfs" [pid 1406] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 1408 attached [pid 1406] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] getdents64(3, [pid 1408] set_robust_list(0x55555719e760, 24 [pid 1406] <... bpf resumed>) = 7 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1408] <... set_robust_list resumed>) = 0 [pid 1406] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] close(3 [pid 1408] chdir("./97" [pid 1406] <... bpf resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 298] rmdir("./96" [pid 1408] <... chdir resumed>) = 0 [pid 1406] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1406] <... bpf resumed>) = 8 [pid 298] <... rmdir resumed>) = 0 [pid 1408] <... prctl resumed>) = 0 [pid 1406] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1408] setpgid(0, 0 [pid 1406] <... bpf resumed>) = 9 [pid 1408] <... setpgid resumed>) = 0 [pid 1406] exit_group(0 [pid 1408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1406] <... exit_group resumed>) = ? [pid 298] mkdir("./97", 0777 [pid 1408] <... openat resumed>) = 3 [pid 1408] write(3, "1000", 4 [pid 298] <... mkdir resumed>) = 0 [pid 1408] <... write resumed>) = 4 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1408] close(3) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1410 [pid 1408] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 1410 attached ) = 0 executing program [pid 1408] write(1, "executing program\n", 18) = 18 [pid 1408] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1410] set_robust_list(0x55555719e760, 24 [pid 1408] <... bpf resumed>) = 3 [pid 1408] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1410] <... set_robust_list resumed>) = 0 [pid 1408] <... bpf resumed>) = 0 [pid 1408] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1410] chdir("./97" [pid 1408] <... bpf resumed>) = 4 [pid 1408] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1408] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1410] <... chdir resumed>) = 0 [pid 1408] <... openat resumed>) = 6 [pid 1408] ioctl(6, PPPIOCNEWUNIT [pid 1410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1408] <... ioctl resumed>, 0x20001400) = 0 [pid 1408] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1408] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1410] <... prctl resumed>) = 0 [pid 1408] <... bpf resumed>) = 7 [pid 1408] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1408] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1410] setpgid(0, 0) = 0 [pid 1408] <... bpf resumed>) = 8 [pid 1408] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1408] exit_group(0) = ? [pid 1410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1410] write(3, "1000", 4) = 4 [pid 1410] close(3executing program ) = 0 [pid 1410] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1410] write(1, "executing program\n", 18) = 18 [pid 1410] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1410] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1410] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1410] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1410] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1410] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1410] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1410] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1410] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1410] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1410] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1401] +++ exited with 0 +++ [pid 1406] +++ exited with 0 +++ [pid 1403] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 299] <... restart_syscall resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 299] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./101/binderfs", [pid 296] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./101/binderfs" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... unlink resumed>) = 0 [pid 296] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] getdents64(3, [pid 297] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... openat resumed>) = 3 [pid 299] close(3 [pid 297] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", [pid 299] <... close resumed>) = 0 [pid 297] newfstatat(3, "", [pid 299] rmdir("./101" [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] mkdir("./102", 0777 [pid 296] getdents64(3, [pid 297] getdents64(3, [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1414 [pid 297] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./100/binderfs", [pid 297] newfstatat(AT_FDCWD, "./88/binderfs", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./100/binderfs" [pid 297] unlink("./88/binderfs"./strace-static-x86_64: Process 1414 attached ) = 0 [pid 296] <... unlink resumed>) = 0 [pid 1414] set_robust_list(0x55555719e760, 24 [pid 297] getdents64(3, [pid 296] getdents64(3, [pid 1414] <... set_robust_list resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3 [pid 296] close(3 [pid 297] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./100" [pid 297] rmdir("./88" [pid 1414] chdir("./102" [pid 296] <... rmdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 296] mkdir("./101", 0777 [pid 297] mkdir("./89", 0777 [pid 296] <... mkdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1416 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1417 [pid 1414] <... chdir resumed>) = 0 [pid 1414] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 1417 attached ) = 0 [pid 1414] setpgid(0, 0) = 0 [pid 1417] set_robust_list(0x55555719e760, 24) = 0 [pid 1414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1417] chdir("./89" [pid 1414] write(3, "1000", 4) = 4 [pid 1417] <... chdir resumed>) = 0 [pid 1414] close(3 [pid 1417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1414] <... close resumed>) = 0 ./strace-static-x86_64: Process 1416 attached [pid 1416] set_robust_list(0x55555719e760, 24 [pid 1414] symlink("/dev/binderfs", "./binderfs" [pid 1417] <... prctl resumed>) = 0 [pid 1416] <... set_robust_list resumed>) = 0 [pid 1416] chdir("./101" [pid 1414] <... symlink resumed>) = 0 [pid 1416] <... chdir resumed>) = 0 executing program [pid 1414] write(1, "executing program\n", 18 [pid 1416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1414] <... write resumed>) = 18 [pid 1416] <... prctl resumed>) = 0 [pid 1416] setpgid(0, 0) = 0 [pid 1414] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1417] setpgid(0, 0 [pid 1414] <... bpf resumed>) = 3 [pid 1414] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1414] <... bpf resumed>) = 0 [pid 1417] <... setpgid resumed>) = 0 [pid 1414] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1410] <... bpf resumed>) = 9 [pid 1408] +++ exited with 0 +++ [pid 1416] <... openat resumed>) = 3 [pid 1410] exit_group(0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1408, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1416] write(3, "1000", 4) = 4 [pid 1416] close(3) = 0 [pid 1416] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1414] <... bpf resumed>) = 4 [pid 1410] <... exit_group resumed>) = ? [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1416] write(1, "executing program\n", 18 [pid 295] <... restart_syscall resumed>) = 0 [pid 1414] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16executing program [pid 1416] <... write resumed>) = 18 [pid 1416] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1416] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1416] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1414] <... bpf resumed>) = 5 [pid 295] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1414] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1414] <... openat resumed>) = 6 [pid 1414] ioctl(6, PPPIOCNEWUNIT [pid 295] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1416] <... bpf resumed>) = 4 [pid 295] <... openat resumed>) = 3 [pid 1416] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 295] newfstatat(3, "", [pid 1416] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1416] ioctl(6, PPPIOCNEWUNIT [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1414] <... ioctl resumed>, 0x20001400) = 0 [pid 1417] <... openat resumed>) = 3 [pid 295] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1416] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1416] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1414] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1417] write(3, "1000", 4 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1417] <... write resumed>) = 4 [pid 1414] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] newfstatat(AT_FDCWD, "./97/binderfs", [pid 1417] close(3 [pid 1414] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1417] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1417] symlink("/dev/binderfs", "./binderfs" [pid 1414] <... bpf resumed>) = 7 [pid 295] unlink("./97/binderfs" [pid 1414] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1416] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1414] <... bpf resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 1417] <... symlink resumed>) = 0 [pid 1414] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] getdents64(3, [pid 1417] write(1, "executing program\n", 18 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1416] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] close(3) = 0 [pid 295] rmdir("./97" [pid 1416] <... bpf resumed>) = 7 [pid 1414] <... bpf resumed>) = 8 [pid 295] <... rmdir resumed>) = 0 [pid 1416] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1414] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] mkdir("./98", 0777 [pid 1416] <... bpf resumed>) = 0 [pid 1416] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program [pid 1417] <... write resumed>) = 18 [pid 1416] <... bpf resumed>) = 8 [pid 1414] <... bpf resumed>) = 9 [pid 295] <... mkdir resumed>) = 0 [pid 1416] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1416] exit_group(0) = ? [pid 1417] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1416] +++ exited with 0 +++ [pid 1414] exit_group(0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1414] <... exit_group resumed>) = ? [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1419 [pid 1417] <... bpf resumed>) = 3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", ./strace-static-x86_64: Process 1419 attached [pid 1419] set_robust_list(0x55555719e760, 24) = 0 [pid 1419] chdir("./98" [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1419] <... chdir resumed>) = 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 [pid 1417] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] getdents64(3, [pid 1419] <... openat resumed>) = 3 [pid 1419] write(3, "1000", 4 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1419] <... write resumed>) = 4 [pid 1419] close(3) = 0 [pid 1419] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1417] <... bpf resumed>) = 0 [pid 296] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 1419] write(1, "executing program\n", 18) = 18 [pid 1419] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1417] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1419] <... bpf resumed>) = 3 [pid 1419] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1419] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1417] <... bpf resumed>) = 4 [pid 296] newfstatat(AT_FDCWD, "./101/binderfs", [pid 1417] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1419] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] unlink("./101/binderfs" [pid 1419] <... bpf resumed>) = 5 [pid 1419] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 296] <... unlink resumed>) = 0 [pid 1419] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1417] <... bpf resumed>) = 5 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1419] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] close(3 [pid 1419] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1419] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1419] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] <... close resumed>) = 0 [pid 1419] <... bpf resumed>) = 0 [pid 1419] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1417] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] rmdir("./101" [pid 1419] <... bpf resumed>) = 8 [pid 1417] <... openat resumed>) = 6 [pid 296] <... rmdir resumed>) = 0 [pid 1417] ioctl(6, PPPIOCNEWUNIT [pid 296] mkdir("./102", 0777 [pid 1417] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 296] <... mkdir resumed>) = 0 [pid 1419] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1419] exit_group(0 [pid 1417] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1417] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1419] <... exit_group resumed>) = ? [pid 1417] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1422 [pid 1417] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1417] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1417] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16./strace-static-x86_64: Process 1422 attached ) = 9 [pid 1410] +++ exited with 0 +++ [pid 1417] exit_group(0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1417] <... exit_group resumed>) = ? [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 1422] set_robust_list(0x55555719e760, 24) = 0 [pid 1417] +++ exited with 0 +++ [pid 298] <... restart_syscall resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./97/binderfs", [pid 297] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] unlink("./97/binderfs" [pid 297] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1422] chdir("./102" [pid 298] <... unlink resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 298] getdents64(3, [pid 297] newfstatat(3, "", [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] close(3) = 0 [pid 297] getdents64(3, [pid 298] rmdir("./97" [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... rmdir resumed>) = 0 [pid 297] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] mkdir("./98", 0777 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1422] <... chdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./89/binderfs", [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 297] unlink("./89/binderfs" [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1423 [pid 297] <... unlink resumed>) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3 [pid 1422] setpgid(0, 0 [pid 297] <... close resumed>) = 0 [pid 297] rmdir("./89" [pid 1422] <... setpgid resumed>) = 0 [pid 1422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./90", 0777 [pid 1422] <... openat resumed>) = 3 [pid 1422] write(3, "1000", 4 [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1422] <... write resumed>) = 4 [pid 1422] close(3 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1424 [pid 1422] <... close resumed>) = 0 [pid 1422] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1422] write(1, "executing program\n", 18executing program ) = 18 [pid 1422] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1422] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4./strace-static-x86_64: Process 1424 attached ) = 0 [pid 1424] set_robust_list(0x55555719e760, 24) = 0 [pid 1424] chdir("./90" [pid 1422] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1424] <... chdir resumed>) = 0 [pid 1422] <... bpf resumed>) = 4 [pid 1424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 1423 attached [pid 1424] setpgid(0, 0 [pid 1422] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1423] set_robust_list(0x55555719e760, 24) = 0 [pid 1422] <... bpf resumed>) = 5 [pid 1424] <... setpgid resumed>) = 0 [pid 1423] chdir("./98" [pid 1422] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1423] <... chdir resumed>) = 0 [pid 1422] <... openat resumed>) = 6 [pid 1424] write(3, "1000", 4 [pid 1423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1424] <... write resumed>) = 4 [pid 1422] ioctl(6, PPPIOCNEWUNIT [pid 1424] close(3 [pid 1423] <... prctl resumed>) = 0 [pid 1422] <... ioctl resumed>, 0x20001400) = 0 [pid 1424] <... close resumed>) = 0 [pid 1423] setpgid(0, 0 [pid 1422] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1419] +++ exited with 0 +++ [pid 1424] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1423] <... setpgid resumed>) = 0 [pid 1422] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1424] write(1, "executing program\n", 18executing program [pid 1423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1424] <... write resumed>) = 18 [pid 1422] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1424] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1424] <... bpf resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1424] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 295] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1424] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... openat resumed>) = 3 [pid 1423] <... openat resumed>) = 3 [pid 1422] <... bpf resumed>) = 7 [pid 1424] <... bpf resumed>) = 4 [pid 1423] write(3, "1000", 4 [pid 295] newfstatat(3, "", [pid 1424] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1423] <... write resumed>) = 4 [pid 1422] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1423] close(3 [pid 1422] <... bpf resumed>) = 0 [pid 1423] <... close resumed>) = 0 [pid 1422] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1423] symlink("/dev/binderfs", "./binderfs" [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./98/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./98") = 0 [pid 295] mkdir("./99", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1426 [pid 1422] <... bpf resumed>) = 8 [pid 1422] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1423] <... symlink resumed>) = 0 executing program [pid 1423] write(1, "executing program\n", 18) = 18 ./strace-static-x86_64: Process 1426 attached [pid 1426] set_robust_list(0x55555719e760, 24) = 0 [pid 1426] chdir("./99" [pid 1423] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1426] <... chdir resumed>) = 0 [pid 1426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1426] setpgid(0, 0 [pid 1423] <... bpf resumed>) = 3 [pid 1423] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1423] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1423] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1426] <... setpgid resumed>) = 0 [pid 1426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1426] write(3, "1000", 4) = 4 [pid 1426] close(3) = 0 [pid 1426] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1426] write(1, "executing program\n", 18executing program ) = 18 [pid 1426] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1426] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1426] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1426] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1414] +++ exited with 0 +++ [pid 1424] <... bpf resumed>) = 5 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1414, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 1423] <... bpf resumed>) = 5 [pid 1422] <... bpf resumed>) = 9 [pid 1426] <... bpf resumed>) = 5 [pid 1424] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1426] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1422] exit_group(0 [pid 1423] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] <... restart_syscall resumed>) = 0 [pid 1423] <... openat resumed>) = 6 [pid 1426] <... openat resumed>) = 6 [pid 1424] <... openat resumed>) = 6 [pid 1422] <... exit_group resumed>) = ? [pid 1423] ioctl(6, PPPIOCNEWUNIT [pid 1426] ioctl(6, PPPIOCNEWUNIT [pid 1423] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 299] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1423] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1423] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1424] ioctl(6, PPPIOCNEWUNIT [pid 1423] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... openat resumed>) = 3 [pid 1423] <... bpf resumed>) = 7 [pid 299] newfstatat(3, "", [pid 1423] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1423] <... bpf resumed>) = 0 [pid 299] getdents64(3, [pid 1423] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1423] <... bpf resumed>) = 8 [pid 299] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1423] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1423] <... bpf resumed>) = 9 [pid 299] newfstatat(AT_FDCWD, "./102/binderfs", [pid 1423] exit_group(0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1423] <... exit_group resumed>) = ? [pid 299] unlink("./102/binderfs" [pid 1423] +++ exited with 0 +++ [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./102" [pid 1426] <... ioctl resumed>, 0x20001400) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1424] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 299] mkdir("./103", 0777 [pid 1426] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1424] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1424] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1426] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1424] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1426] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1429 [pid 1426] <... bpf resumed>) = 7 [pid 1424] <... bpf resumed>) = 7 [pid 298] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1429 attached [pid 1426] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1424] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1429] set_robust_list(0x55555719e760, 24) = 0 [pid 1429] chdir("./103" [pid 1426] <... bpf resumed>) = 0 [pid 1424] <... bpf resumed>) = 0 [pid 298] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1429] <... chdir resumed>) = 0 [pid 1429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1429] setpgid(0, 0 [pid 1424] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1426] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... openat resumed>) = 3 [pid 1429] <... setpgid resumed>) = 0 [pid 1429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1429] write(3, "1000", 4 [pid 1424] <... bpf resumed>) = 8 [pid 298] newfstatat(3, "", [pid 1429] <... write resumed>) = 4 [pid 1429] close(3) = 0 [pid 1429] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1429] write(1, "executing program\n", 18) = 18 [pid 1426] <... bpf resumed>) = 8 executing program [pid 1424] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1426] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] getdents64(3, [pid 1424] <... bpf resumed>) = 9 [pid 1429] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1426] <... bpf resumed>) = 9 [pid 1424] exit_group(0 [pid 298] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1424] <... exit_group resumed>) = ? [pid 1426] exit_group(0 [pid 298] newfstatat(AT_FDCWD, "./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1429] <... bpf resumed>) = 3 [pid 1429] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1429] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1424] +++ exited with 0 +++ [pid 298] unlink("./98/binderfs" [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1426] <... exit_group resumed>) = ? [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1429] <... bpf resumed>) = 4 [pid 1429] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 298] close(3 [pid 297] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1429] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1429] ioctl(6, PPPIOCNEWUNIT [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... close resumed>) = 0 [pid 298] rmdir("./98" [pid 297] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./99", 0777 [pid 297] <... openat resumed>) = 3 [pid 298] <... mkdir resumed>) = 0 [pid 297] newfstatat(3, "", [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1430 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./90/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./90") = 0 [pid 297] mkdir("./91", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1431 [pid 1429] <... ioctl resumed>, 0x20001400) = 0 [pid 1429] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1429] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1429] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1429] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 1431 attached [pid 1431] set_robust_list(0x55555719e760, 24) = 0 [pid 1431] chdir("./91") = 0 [pid 1431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1431] setpgid(0, 0) = 0 [pid 1431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1431] write(3, "1000", 4) = 4 [pid 1431] close(3) = 0 [pid 1429] <... bpf resumed>) = 8 [pid 1422] +++ exited with 0 +++ [pid 1431] symlink("/dev/binderfs", "./binderfs" [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 1431] <... symlink resumed>) = 0 [pid 1429] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1431] write(1, "executing program\n", 18) = 18 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1431] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1431] <... bpf resumed>) = 3 [pid 1431] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] <... openat resumed>) = 3 [pid 1431] <... bpf resumed>) = 0 [pid 296] newfstatat(3, "", [pid 1431] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1429] <... bpf resumed>) = 9 [pid 1431] <... bpf resumed>) = 4 [pid 1431] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1429] exit_group(0 [pid 296] getdents64(3, [pid 1429] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 1430 attached [pid 1431] <... bpf resumed>) = 5 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1431] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1430] set_robust_list(0x55555719e760, 24 [pid 296] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1431] <... openat resumed>) = 6 [pid 1430] <... set_robust_list resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1431] ioctl(6, PPPIOCNEWUNIT [pid 1430] chdir("./99" [pid 296] newfstatat(AT_FDCWD, "./102/binderfs", [pid 1430] <... chdir resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] unlink("./102/binderfs" [pid 1430] <... prctl resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 1430] setpgid(0, 0 [pid 296] getdents64(3, [pid 1430] <... setpgid resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] close(3 [pid 1430] <... openat resumed>) = 3 [pid 296] <... close resumed>) = 0 [pid 1430] write(3, "1000", 4 [pid 296] rmdir("./102" [pid 1430] <... write resumed>) = 4 [pid 296] <... rmdir resumed>) = 0 [pid 1430] close(3 [pid 296] mkdir("./103", 0777 [pid 1430] <... close resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 1430] symlink("/dev/binderfs", "./binderfs" [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1431] <... ioctl resumed>, 0x20001400) = 0 [pid 1430] <... symlink resumed>) = 0 [pid 1431] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1430] write(1, "executing program\n", 18executing program [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1434 [pid 1431] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1430] <... write resumed>) = 18 [pid 1431] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1430] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1431] <... bpf resumed>) = 7 [pid 1430] <... bpf resumed>) = 3 [pid 1431] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1430] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1431] <... bpf resumed>) = 0 [pid 1431] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1430] <... bpf resumed>) = 0 [pid 1430] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1431] <... bpf resumed>) = 8 [pid 1430] <... bpf resumed>) = 4 [pid 1430] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1431] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1430] <... bpf resumed>) = 5 [pid 1430] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1431] <... bpf resumed>) = 9 [pid 1430] <... openat resumed>) = 6 [pid 1430] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1430] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1430] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1430] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1430] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1431] exit_group(0 [pid 1430] <... bpf resumed>) = 8 [pid 1430] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1431] <... exit_group resumed>) = ? [pid 1430] <... bpf resumed>) = 9 [pid 1430] exit_group(0) = ? [pid 1430] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 1434 attached [pid 1434] set_robust_list(0x55555719e760, 24 [pid 298] <... restart_syscall resumed>) = 0 [pid 298] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./99/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./99/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1434] <... set_robust_list resumed>) = 0 [pid 298] close(3 [pid 1434] chdir("./103" [pid 298] <... close resumed>) = 0 [pid 1434] <... chdir resumed>) = 0 [pid 298] rmdir("./99" [pid 1434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] <... rmdir resumed>) = 0 [pid 1434] <... prctl resumed>) = 0 [pid 298] mkdir("./100", 0777 [pid 1434] setpgid(0, 0 [pid 298] <... mkdir resumed>) = 0 [pid 1434] <... setpgid resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1436 [pid 1434] write(3, "1000", 4) = 4 [pid 1434] close(3) = 0 [pid 1434] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1434] write(1, "executing program\n", 18) = 18 [pid 1434] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1434] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1434] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1434] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1434] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1434] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1434] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1434] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1434] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1434] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1434] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1434] exit_group(0) = ? ./strace-static-x86_64: Process 1436 attached [pid 1436] set_robust_list(0x55555719e760, 24) = 0 [pid 1436] chdir("./100") = 0 [pid 1436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1436] setpgid(0, 0) = 0 [pid 1436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1436] write(3, "1000", 4) = 4 [pid 1436] close(3) = 0 [pid 1436] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1436] write(1, "executing program\n", 18) = 18 [pid 1436] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1436] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1436] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1436] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1436] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1436] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1436] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1436] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1436] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1436] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1436] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1436] exit_group(0) = ? [pid 1426] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1426, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 295] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./99/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./99/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./99") = 0 [pid 295] mkdir("./100", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1439 ./strace-static-x86_64: Process 1439 attached [pid 1439] set_robust_list(0x55555719e760, 24) = 0 [pid 1439] chdir("./100") = 0 [pid 1439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1439] setpgid(0, 0) = 0 [pid 1439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1439] write(3, "1000", 4) = 4 [pid 1439] close(3) = 0 [pid 1439] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1439] write(1, "executing program\n", 18) = 18 [pid 1439] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1439] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1439] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1439] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1439] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1439] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1439] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1439] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1439] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1439] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1439] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1439] exit_group(0) = ? [pid 1431] +++ exited with 0 +++ [pid 1429] +++ exited with 0 +++ [pid 1434] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1431, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 299] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... openat resumed>) = 3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... openat resumed>) = 3 [pid 297] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] newfstatat(3, "", [pid 299] newfstatat(3, "", [pid 297] <... openat resumed>) = 3 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 299] getdents64(3, [pid 297] newfstatat(3, "", [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] getdents64(3, [pid 299] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./103/binderfs", [pid 299] newfstatat(AT_FDCWD, "./103/binderfs", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] newfstatat(AT_FDCWD, "./91/binderfs", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./103/binderfs" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./103/binderfs" [pid 299] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 297] unlink("./91/binderfs" [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 299] close(3 [pid 297] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 299] rmdir("./103" [pid 297] close(3 [pid 296] rmdir("./103" [pid 297] <... close resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 297] rmdir("./91" [pid 299] mkdir("./104", 0777 [pid 297] <... rmdir resumed>) = 0 [pid 296] mkdir("./104", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 297] mkdir("./92", 0777 [pid 296] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1445 attached [pid 1445] set_robust_list(0x55555719e760, 24) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1445 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1446 [pid 1445] chdir("./104") = 0 [pid 1445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1445] setpgid(0, 0) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1447 [pid 1445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1445] write(3, "1000", 4) = 4 [pid 1445] close(3) = 0 [pid 1445] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1445] write(1, "executing program\n", 18executing program ) = 18 [pid 1445] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1445] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1445] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1445] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1445] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1445] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1447 attached [pid 1447] set_robust_list(0x55555719e760, 24./strace-static-x86_64: Process 1446 attached [pid 1446] set_robust_list(0x55555719e760, 24 [pid 1447] <... set_robust_list resumed>) = 0 [pid 1446] <... set_robust_list resumed>) = 0 [pid 1447] chdir("./92") = 0 [pid 1447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1447] setpgid(0, 0 [pid 1446] chdir("./104") = 0 [pid 1446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1446] setpgid(0, 0) = 0 [pid 1447] <... setpgid resumed>) = 0 [pid 1446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1446] write(3, "1000", 4) = 4 [pid 1446] close(3 [pid 1447] <... openat resumed>) = 3 [pid 1447] write(3, "1000", 4 [pid 1446] <... close resumed>) = 0 [pid 1446] symlink("/dev/binderfs", "./binderfs" [pid 1447] <... write resumed>) = 4 [pid 1447] close(3) = 0 [pid 1447] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1447] write(1, "executing program\n", 18 [pid 1445] <... ioctl resumed>, 0x20001400) = 0 [pid 1445] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) executing program [pid 1445] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1446] <... symlink resumed>) = 0 [pid 1445] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1447] <... write resumed>) = 18 [pid 1445] <... bpf resumed>) = 0 [pid 1445] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1447] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1447] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1446] write(1, "executing program\n", 18executing program [pid 1447] <... bpf resumed>) = 0 [pid 1446] <... write resumed>) = 18 [pid 1447] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1446] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1447] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1446] <... bpf resumed>) = 3 [pid 1447] <... bpf resumed>) = 5 [pid 1446] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1447] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1445] <... bpf resumed>) = 8 [pid 1447] <... openat resumed>) = 6 [pid 1446] <... bpf resumed>) = 0 [pid 1446] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1447] ioctl(6, PPPIOCNEWUNIT [pid 1445] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1447] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1447] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1445] <... bpf resumed>) = 9 [pid 1447] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1445] exit_group(0) = ? [pid 1447] <... bpf resumed>) = 7 [pid 1439] +++ exited with 0 +++ [pid 1436] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1447] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 1447] <... bpf resumed>) = 0 [pid 298] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 295] getdents64(3, [pid 1447] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./100/binderfs", [pid 295] newfstatat(AT_FDCWD, "./100/binderfs", [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1447] <... bpf resumed>) = 8 [pid 298] unlink("./100/binderfs" [pid 295] unlink("./100/binderfs" [pid 1447] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1446] <... bpf resumed>) = 4 [pid 298] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 1446] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] getdents64(3, [pid 295] getdents64(3, [pid 1446] <... bpf resumed>) = 5 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1447] <... bpf resumed>) = 9 [pid 1446] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] close(3 [pid 295] close(3 [pid 1447] exit_group(0 [pid 1446] <... openat resumed>) = 6 [pid 298] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 1447] <... exit_group resumed>) = ? [pid 1446] ioctl(6, PPPIOCNEWUNIT [pid 298] rmdir("./100" [pid 295] rmdir("./100" [pid 1447] +++ exited with 0 +++ [pid 298] <... rmdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 298] mkdir("./101", 0777 [pid 295] mkdir("./101", 0777 [pid 298] <... mkdir resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... restart_syscall resumed>) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1449 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1450 [pid 1446] <... ioctl resumed>, 0x20001400) = 0 [pid 1446] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1446] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1446] <... bpf resumed>) = 7 [pid 1446] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1446] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1446] <... bpf resumed>) = 8 [pid 297] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1446] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 297] <... openat resumed>) = 3 [pid 1446] exit_group(0) = ? [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1449 attached ./strace-static-x86_64: Process 1450 attached ) = -1 EINVAL (Invalid argument) [pid 1450] set_robust_list(0x55555719e760, 24) = 0 [pid 297] newfstatat(AT_FDCWD, "./92/binderfs", [pid 1449] set_robust_list(0x55555719e760, 24 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1449] <... set_robust_list resumed>) = 0 [pid 1450] chdir("./101" [pid 297] unlink("./92/binderfs" [pid 1450] <... chdir resumed>) = 0 [pid 1450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1450] setpgid(0, 0) = 0 [pid 1450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... unlink resumed>) = 0 [pid 1450] <... openat resumed>) = 3 [pid 297] getdents64(3, [pid 1449] chdir("./101" [pid 1450] write(3, "1000", 4 [pid 1449] <... chdir resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1450] <... write resumed>) = 4 [pid 1449] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] close(3 [pid 1450] close(3) = 0 [pid 1450] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1449] <... prctl resumed>) = 0 [pid 297] <... close resumed>) = 0 executing program [pid 1450] write(1, "executing program\n", 18) = 18 [pid 1450] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] rmdir("./92" [pid 1449] setpgid(0, 0 [pid 1450] <... bpf resumed>) = 3 [pid 297] <... rmdir resumed>) = 0 [pid 1450] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1450] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1449] <... setpgid resumed>) = 0 [pid 297] mkdir("./93", 0777) = 0 [pid 1450] <... bpf resumed>) = 4 [pid 1449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1450] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1450] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1451 [pid 1450] ioctl(6, PPPIOCNEWUNIT [pid 1449] <... openat resumed>) = 3 [pid 1449] write(3, "1000", 4 [pid 1450] <... ioctl resumed>, 0x20001400) = 0 [pid 1450] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1450] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1449] <... write resumed>) = 4 [pid 1449] close(3 [pid 1450] <... bpf resumed>) = 7 [pid 1450] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1449] <... close resumed>) = 0 [pid 1450] <... bpf resumed>) = 0 [pid 1450] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1449] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1449] write(1, "executing program\n", 18executing program [pid 1450] <... bpf resumed>) = 8 [pid 1449] <... write resumed>) = 18 [pid 1450] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1450] exit_group(0) = ? [pid 1449] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 ./strace-static-x86_64: Process 1451 attached [pid 1451] set_robust_list(0x55555719e760, 24) = 0 [pid 1451] chdir("./93") = 0 [pid 1449] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1449] <... bpf resumed>) = 0 [pid 1451] <... prctl resumed>) = 0 [pid 1451] setpgid(0, 0 [pid 1449] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1451] <... setpgid resumed>) = 0 [pid 1451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1449] <... bpf resumed>) = 4 [pid 1451] write(3, "1000", 4) = 4 [pid 1451] close(3 [pid 1449] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1451] <... close resumed>) = 0 executing program [pid 1451] symlink("/dev/binderfs", "./binderfs" [pid 1449] <... bpf resumed>) = 5 [pid 1451] <... symlink resumed>) = 0 [pid 1451] write(1, "executing program\n", 18) = 18 [pid 1451] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1451] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1451] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1451] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1451] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1451] ioctl(6, PPPIOCNEWUNIT [pid 1449] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1451] <... ioctl resumed>, 0x20001400) = 0 [pid 1449] <... openat resumed>) = 6 [pid 1451] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1451] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1449] ioctl(6, PPPIOCNEWUNIT [pid 1451] <... bpf resumed>) = 7 [pid 1451] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1449] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1451] <... bpf resumed>) = 0 [pid 1451] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1449] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1451] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1449] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1451] <... bpf resumed>) = 9 [pid 1451] exit_group(0 [pid 1449] <... bpf resumed>) = 7 [pid 1451] <... exit_group resumed>) = ? [pid 1449] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1449] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1449] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1449] exit_group(0) = ? [pid 1449] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 298] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./101/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./101") = 0 [pid 298] mkdir("./102", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1454 ./strace-static-x86_64: Process 1454 attached [pid 1454] set_robust_list(0x55555719e760, 24) = 0 [pid 1454] chdir("./102") = 0 [pid 1454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1454] setpgid(0, 0) = 0 [pid 1454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1454] write(3, "1000", 4) = 4 [pid 1454] close(3) = 0 [pid 1454] symlink("/dev/binderfs", "./binderfs" [pid 1445] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 1454] <... symlink resumed>) = 0 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1454] write(1, "executing program\n", 18 executing program [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1454] <... write resumed>) = 18 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1454] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] newfstatat(AT_FDCWD, "./104/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1454] <... bpf resumed>) = 3 [pid 299] unlink("./104/binderfs" [pid 1454] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 1454] <... bpf resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./104" [pid 1454] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./105", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1456 attached [pid 1454] <... bpf resumed>) = 4 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1456 [pid 1454] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1456] set_robust_list(0x55555719e760, 24 [pid 1454] <... bpf resumed>) = 5 [pid 1456] <... set_robust_list resumed>) = 0 [pid 1454] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1456] chdir("./105" [pid 1454] ioctl(6, PPPIOCNEWUNIT [pid 1456] <... chdir resumed>) = 0 [pid 1454] <... ioctl resumed>, 0x20001400) = 0 [pid 1454] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1454] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1456] setpgid(0, 0 [pid 1454] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1456] <... setpgid resumed>) = 0 [pid 1454] <... bpf resumed>) = 7 [pid 1456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1454] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1456] <... openat resumed>) = 3 [pid 1454] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1456] write(3, "1000", 4 [pid 1454] <... bpf resumed>) = 8 [pid 1456] <... write resumed>) = 4 [pid 1456] close(3 [pid 1454] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1456] <... close resumed>) = 0 [pid 1454] <... bpf resumed>) = 9 [pid 1456] symlink("/dev/binderfs", "./binderfs" [pid 1454] exit_group(0) = ? [pid 1456] <... symlink resumed>) = 0 executing program [pid 1456] write(1, "executing program\n", 18) = 18 [pid 1456] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1456] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1456] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1456] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1456] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1456] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1456] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1456] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1456] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1456] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1456] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1456] exit_group(0) = ? [pid 1451] +++ exited with 0 +++ [pid 1450] +++ exited with 0 +++ [pid 1446] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... openat resumed>) = 3 [pid 297] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] newfstatat(3, "", [pid 295] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... openat resumed>) = 3 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] newfstatat(3, "", [pid 295] <... openat resumed>) = 3 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 295] newfstatat(3, "", [pid 297] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./93/binderfs", [pid 296] newfstatat(AT_FDCWD, "./104/binderfs", [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] unlink("./104/binderfs" [pid 297] unlink("./93/binderfs" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 295] newfstatat(AT_FDCWD, "./101/binderfs", [pid 297] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 295] unlink("./101/binderfs" [pid 297] close(3 [pid 296] <... close resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 296] rmdir("./104" [pid 297] rmdir("./93" [pid 296] <... rmdir resumed>) = 0 [pid 295] getdents64(3, [pid 297] <... rmdir resumed>) = 0 [pid 296] mkdir("./105", 0777 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3 [pid 296] <... mkdir resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 297] mkdir("./94", 0777 [pid 295] rmdir("./101" [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./102", 0777./strace-static-x86_64: Process 1461 attached [pid 1461] set_robust_list(0x55555719e760, 24) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 1461] chdir("./105") = 0 [pid 1461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1461] setpgid(0, 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1461 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1461] <... setpgid resumed>) = 0 [pid 1461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1462 [pid 1461] write(3, "1000", 4 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1463 [pid 1461] <... write resumed>) = 4 [pid 1461] close(3) = 0 [pid 1461] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1461] write(1, "executing program\n", 18) = 18 [pid 1461] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1461] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1461] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1461] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1461] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1461] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1463 attached [pid 1463] set_robust_list(0x55555719e760, 24) = 0 ./strace-static-x86_64: Process 1462 attached [pid 1463] chdir("./102" [pid 1462] set_robust_list(0x55555719e760, 24) = 0 [pid 1462] chdir("./94") = 0 [pid 1461] <... ioctl resumed>, 0x20001400) = 0 [pid 1462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1462] setpgid(0, 0) = 0 [pid 1462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1462] write(3, "1000", 4 [pid 1463] <... chdir resumed>) = 0 [pid 1463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1462] <... write resumed>) = 4 [pid 1461] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1462] close(3) = 0 [pid 1461] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1463] <... prctl resumed>) = 0 [pid 1462] symlink("/dev/binderfs", "./binderfs" [pid 1463] setpgid(0, 0 [pid 1462] <... symlink resumed>) = 0 [pid 1463] <... setpgid resumed>) = 0 [pid 1461] <... bpf resumed>) = 7 [pid 1463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1461] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4executing program [pid 1462] write(1, "executing program\n", 18 [pid 1461] <... bpf resumed>) = 0 [pid 1462] <... write resumed>) = 18 [pid 1461] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1463] <... openat resumed>) = 3 [pid 1463] write(3, "1000", 4 [pid 1462] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1461] <... bpf resumed>) = 8 [pid 1463] <... write resumed>) = 4 [pid 1462] <... bpf resumed>) = 3 [pid 1461] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1463] close(3 [pid 1462] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1461] <... bpf resumed>) = 9 [pid 1463] <... close resumed>) = 0 [pid 1462] <... bpf resumed>) = 0 [pid 1461] exit_group(0 [pid 1462] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1461] <... exit_group resumed>) = ? [pid 1463] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1462] <... bpf resumed>) = 4 [pid 1462] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1463] write(1, "executing program\n", 18 [pid 1462] <... bpf resumed>) = 5 executing program [pid 1463] <... write resumed>) = 18 [pid 1462] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1462] ioctl(6, PPPIOCNEWUNIT [pid 1463] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1462] <... ioctl resumed>, 0x20001400) = 0 [pid 1462] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1462] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1463] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1462] <... bpf resumed>) = 7 [pid 1462] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1463] <... bpf resumed>) = 0 [pid 1462] <... bpf resumed>) = 0 [pid 1462] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1463] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1462] <... bpf resumed>) = 8 [pid 1462] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1463] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1462] <... bpf resumed>) = 9 [pid 1462] exit_group(0) = ? [pid 1463] <... bpf resumed>) = 5 [pid 1463] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1463] ioctl(6, PPPIOCNEWUNIT [pid 1454] +++ exited with 0 +++ [pid 1456] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1463] <... ioctl resumed>, 0x20001400) = 0 [pid 1463] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1463] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1463] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 299] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./105/binderfs", [pid 1463] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./105/binderfs") = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./105") = 0 [pid 299] mkdir("./106", 0777 [pid 1463] <... bpf resumed>) = 8 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1468 ./strace-static-x86_64: Process 1468 attached [pid 298] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1468] set_robust_list(0x55555719e760, 24) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1463] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1468] chdir("./106" [pid 298] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1463] <... bpf resumed>) = 9 [pid 1468] <... chdir resumed>) = 0 [pid 1468] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] <... openat resumed>) = 3 [pid 1468] <... prctl resumed>) = 0 [pid 1463] exit_group(0 [pid 298] newfstatat(3, "", [pid 1468] setpgid(0, 0 [pid 1463] <... exit_group resumed>) = ? [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1468] <... setpgid resumed>) = 0 [pid 1468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1468] write(3, "1000", 4 [pid 298] getdents64(3, [pid 1468] <... write resumed>) = 4 [pid 1468] close(3) = 0 [pid 1468] symlink("/dev/binderfs", "./binderfs" [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1468] <... symlink resumed>) = 0 executing program [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1468] write(1, "executing program\n", 18) = 18 [pid 1468] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1468] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1468] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1468] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1468] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1468] ioctl(6, PPPIOCNEWUNIT [pid 298] newfstatat(AT_FDCWD, "./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./102/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./102") = 0 [pid 298] mkdir("./103", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1470 [pid 1461] +++ exited with 0 +++ [pid 1468] <... ioctl resumed>, 0x20001400) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1468] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 1468] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... restart_syscall resumed>) = 0 [pid 1468] <... bpf resumed>) = 7 [pid 1468] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1468] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1468] <... bpf resumed>) = 8 [pid 296] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1468] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./105/binderfs", [pid 1468] <... bpf resumed>) = 9 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1468] exit_group(0) = ? [pid 296] unlink("./105/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./105") = 0 [pid 296] mkdir("./106", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1470 attached [pid 1470] set_robust_list(0x55555719e760, 24) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1471 [pid 1470] chdir("./103") = 0 [pid 1470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1470] setpgid(0, 0) = 0 [pid 1470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1470] write(3, "1000", 4) = 4 [pid 1470] close(3) = 0 [pid 1470] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1470] write(1, "executing program\n", 18) = 18 [pid 1470] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1470] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1470] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1470] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1470] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1470] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1471 attached [pid 1471] set_robust_list(0x55555719e760, 24 [pid 1470] <... ioctl resumed>, 0x20001400) = 0 [pid 1470] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1471] <... set_robust_list resumed>) = 0 [pid 1470] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1463] +++ exited with 0 +++ [pid 1462] +++ exited with 0 +++ [pid 1471] chdir("./106" [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1462, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", [pid 1471] <... chdir resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1471] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] getdents64(3, [pid 1471] <... prctl resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1471] setpgid(0, 0 [pid 297] newfstatat(AT_FDCWD, "./94/binderfs", [pid 1471] <... setpgid resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] unlink("./94/binderfs" [pid 1471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 1471] <... openat resumed>) = 3 [pid 297] rmdir("./94" [pid 1471] write(3, "1000", 4 [pid 297] <... rmdir resumed>) = 0 [pid 295] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] mkdir("./95", 0777 [pid 1471] <... write resumed>) = 4 [pid 297] <... mkdir resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1471] close(3 [pid 295] newfstatat(3, "", [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1474 [pid 1470] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1471] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1471] symlink("/dev/binderfs", "./binderfs" [pid 295] getdents64(3, [pid 1471] <... symlink resumed>) = 0 [pid 1470] <... bpf resumed>) = 7 [pid 1471] write(1, "executing program\n", 18 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1470] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4executing program ) = 0 [pid 1471] <... write resumed>) = 18 [pid 295] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1471] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] newfstatat(AT_FDCWD, "./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1471] <... bpf resumed>) = 3 [pid 295] unlink("./102/binderfs" [pid 1470] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1471] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 295] <... unlink resumed>) = 0 [pid 1471] <... bpf resumed>) = 0 [pid 295] getdents64(3, [pid 1471] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1471] <... bpf resumed>) = 4 [pid 1470] <... bpf resumed>) = 8 [pid 295] close(3) = 0 [pid 1471] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] rmdir("./102" [pid 1471] <... bpf resumed>) = 5 [pid 1470] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1470] exit_group(0 [pid 295] <... rmdir resumed>) = 0 [pid 1471] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] mkdir("./103", 0777 [pid 1471] <... openat resumed>) = 6 [pid 1470] <... exit_group resumed>) = ? [pid 1471] ioctl(6, PPPIOCNEWUNIT [pid 295] <... mkdir resumed>) = 0 [pid 1471] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1471] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1475 [pid 1471] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1471] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 ./strace-static-x86_64: Process 1475 attached [pid 1471] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1475] set_robust_list(0x55555719e760, 24) = 0 [pid 1475] chdir("./103") = 0 [pid 1471] <... bpf resumed>) = 8 [pid 1471] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1471] <... bpf resumed>) = 9 [pid 1475] setpgid(0, 0 [pid 1471] exit_group(0) = ? [pid 1475] <... setpgid resumed>) = 0 [pid 1475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1471] +++ exited with 0 +++ executing program [pid 1475] <... openat resumed>) = 3 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1475] write(3, "1000", 4) = 4 [pid 1475] close(3) = 0 [pid 1475] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1475] write(1, "executing program\n", 18) = 18 [pid 1475] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1475] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 1475] <... bpf resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 1475] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1475] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1475] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1475] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1474 attached [pid 296] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1474] set_robust_list(0x55555719e760, 24 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1474] <... set_robust_list resumed>) = 0 [pid 296] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 1474] chdir("./95" [pid 296] newfstatat(3, "", [pid 1474] <... chdir resumed>) = 0 [pid 1475] <... ioctl resumed>, 0x20001400) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1475] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1475] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 296] getdents64(3, [pid 1475] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1475] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1475] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1475] exit_group(0) = ? [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./106/binderfs", [pid 1474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./106/binderfs" [pid 1474] <... prctl resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 1474] setpgid(0, 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1474] <... setpgid resumed>) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./106" [pid 1474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./107", 0777 [pid 1474] <... openat resumed>) = 3 [pid 1474] write(3, "1000", 4) = 4 [pid 1474] close(3 [pid 296] <... mkdir resumed>) = 0 [pid 1474] <... close resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1474] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 1476 attached [pid 1468] +++ exited with 0 +++ [pid 1474] write(1, "executing program\n", 18 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1476 executing program [pid 1474] <... write resumed>) = 18 [pid 1474] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1476] set_robust_list(0x55555719e760, 24 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1476] <... set_robust_list resumed>) = 0 [pid 1474] <... bpf resumed>) = 3 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 1474] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 1476] chdir("./107" [pid 1474] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1476] <... chdir resumed>) = 0 [pid 1474] <... bpf resumed>) = 4 [pid 1474] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1474] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1474] ioctl(6, PPPIOCNEWUNIT [pid 1476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1474] <... ioctl resumed>, 0x20001400) = 0 [pid 299] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1474] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1474] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1474] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1474] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1474] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1474] exit_group(0) = ? [pid 299] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 1476] <... prctl resumed>) = 0 [pid 1476] setpgid(0, 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1476] <... setpgid resumed>) = 0 [pid 1476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1476] <... openat resumed>) = 3 [pid 299] newfstatat(AT_FDCWD, "./106/binderfs", [pid 1476] write(3, "1000", 4 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1476] <... write resumed>) = 4 [pid 1476] close(3executing program ) = 0 [pid 1476] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1476] write(1, "executing program\n", 18) = 18 [pid 1476] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 299] unlink("./106/binderfs" [pid 1476] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1476] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 1476] <... bpf resumed>) = 4 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1476] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] close(3 [pid 1476] <... bpf resumed>) = 5 [pid 1476] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1476] ioctl(6, PPPIOCNEWUNIT [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./106") = 0 [pid 299] mkdir("./107", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1477 [pid 1476] <... ioctl resumed>, 0x20001400) = 0 [pid 1476] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1476] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1476] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1476] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1476] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 ./strace-static-x86_64: Process 1477 attached [pid 1476] exit_group(0 [pid 1477] set_robust_list(0x55555719e760, 24 [pid 1476] <... exit_group resumed>) = ? [pid 1477] <... set_robust_list resumed>) = 0 [pid 1477] chdir("./107") = 0 [pid 1477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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) = 4 [pid 1477] close(3) = 0 [pid 1475] +++ exited with 0 +++ [pid 1470] +++ exited with 0 +++ [pid 1477] symlink("/dev/binderfs", "./binderfs" [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1477] <... symlink resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1477] write(1, "executing program\n", 18 [pid 298] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... restart_syscall resumed>) = 0 executing program [pid 1477] <... write resumed>) = 18 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1477] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1477] <... bpf resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 295] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1477] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] newfstatat(3, "", [pid 1477] <... bpf resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1477] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1477] <... bpf resumed>) = 4 [pid 298] getdents64(3, [pid 295] <... openat resumed>) = 3 [pid 1477] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] newfstatat(3, "", [pid 1477] <... bpf resumed>) = 5 [pid 298] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1477] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] getdents64(3, [pid 1477] <... openat resumed>) = 6 [pid 298] newfstatat(AT_FDCWD, "./103/binderfs", [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1477] ioctl(6, PPPIOCNEWUNIT [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1477] <... ioctl resumed>, 0x20001400) = 0 [pid 298] unlink("./103/binderfs" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1477] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... unlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./103/binderfs", [pid 1477] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] getdents64(3, [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1477] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] unlink("./103/binderfs" [pid 1477] <... bpf resumed>) = 7 [pid 298] close(3 [pid 295] <... unlink resumed>) = 0 [pid 1477] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... close resumed>) = 0 [pid 295] getdents64(3, [pid 1477] <... bpf resumed>) = 0 [pid 298] rmdir("./103" [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1477] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... rmdir resumed>) = 0 [pid 295] close(3 [pid 1477] <... bpf resumed>) = 8 [pid 298] mkdir("./104", 0777 [pid 295] <... close resumed>) = 0 [pid 1477] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... mkdir resumed>) = 0 [pid 295] rmdir("./103" [pid 1477] <... bpf resumed>) = 9 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... rmdir resumed>) = 0 [pid 1477] exit_group(0 [pid 295] mkdir("./104", 0777 [pid 1477] <... exit_group resumed>) = ? [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1481 [pid 295] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 1481 attached [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1476] +++ exited with 0 +++ [pid 1481] set_robust_list(0x55555719e760, 24) = 0 [pid 1481] chdir("./104" [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1481] <... chdir resumed>) = 0 [pid 1481] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 1485 attached ) = 0 [pid 1485] set_robust_list(0x55555719e760, 24 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1485 [pid 1485] <... set_robust_list resumed>) = 0 [pid 296] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] chdir("./104" [pid 1481] setpgid(0, 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1485] <... chdir resumed>) = 0 [pid 1481] <... setpgid resumed>) = 0 [pid 296] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... openat resumed>) = 3 [pid 1485] <... prctl resumed>) = 0 [pid 296] newfstatat(3, "", [pid 1485] setpgid(0, 0 [pid 1481] <... openat resumed>) = 3 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1485] <... setpgid resumed>) = 0 [pid 296] getdents64(3, [pid 1481] write(3, "1000", 4 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] <... openat resumed>) = 3 [pid 1481] <... write resumed>) = 4 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1485] write(3, "1000", 4 [pid 296] newfstatat(AT_FDCWD, "./107/binderfs", [pid 1485] <... write resumed>) = 4 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1485] close(3 [pid 296] unlink("./107/binderfs" [pid 1485] <... close resumed>) = 0 executing program [pid 1485] symlink("/dev/binderfs", "./binderfs" [pid 1481] close(3 [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 1481] <... close resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 1485] <... symlink resumed>) = 0 [pid 1485] write(1, "executing program\n", 18 [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./107" [pid 1485] <... write resumed>) = 18 [pid 1481] symlink("/dev/binderfs", "./binderfs" [pid 1485] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1481] <... symlink resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 executing program [pid 1485] <... bpf resumed>) = 3 [pid 1481] write(1, "executing program\n", 18 [pid 296] mkdir("./108", 0777 [pid 1485] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1481] <... write resumed>) = 18 [pid 1481] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1485] <... bpf resumed>) = 0 [pid 1481] <... bpf resumed>) = 3 [pid 296] <... mkdir resumed>) = 0 [pid 1485] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1481] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1481] <... bpf resumed>) = 0 [pid 1481] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1485] <... bpf resumed>) = 4 [pid 1481] <... bpf resumed>) = 4 [pid 1485] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1481] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1487 ./strace-static-x86_64: Process 1487 attached [pid 1487] set_robust_list(0x55555719e760, 24) = 0 [pid 1487] chdir("./108") = 0 [pid 1487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1487] setpgid(0, 0) = 0 [pid 1487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1487] write(3, "1000", 4) = 4 [pid 1487] close(3) = 0 [pid 1487] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1487] write(1, "executing program\n", 18 [pid 1474] +++ exited with 0 +++ [pid 1485] <... bpf resumed>) = 5 [pid 1481] <... bpf resumed>) = 5 [pid 1485] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1474, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1485] <... openat resumed>) = 6 [pid 297] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1485] ioctl(6, PPPIOCNEWUNIT [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1481] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1481] ioctl(6, PPPIOCNEWUNIT [pid 1485] <... ioctl resumed>, 0x20001400) = 0 [pid 1481] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1481] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1481] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1481] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1481] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 297] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1481] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 297] <... openat resumed>) = 3 [pid 1485] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] newfstatat(3, "", [pid 1485] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1485] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1485] <... bpf resumed>) = 7 [pid 297] getdents64(3, [pid 1485] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1481] exit_group(0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1485] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1481] <... exit_group resumed>) = ? [pid 1481] +++ exited with 0 +++ [pid 297] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 1487] <... write resumed>) = 18 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1487] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] newfstatat(AT_FDCWD, "./95/binderfs", [pid 1487] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1487] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1485] <... bpf resumed>) = 8 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1485] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] unlink("./95/binderfs" [pid 1485] <... bpf resumed>) = 9 [pid 1487] <... bpf resumed>) = 4 [pid 1485] exit_group(0 [pid 298] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... unlink resumed>) = 0 [pid 1485] <... exit_group resumed>) = ? [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, [pid 1487] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1487] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 298] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3 [pid 1487] ioctl(6, PPPIOCNEWUNIT [pid 297] <... close resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 297] rmdir("./95" [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1477] +++ exited with 0 +++ [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./104/binderfs", [pid 297] <... rmdir resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./104/binderfs") = 0 [pid 297] mkdir("./96", 0777 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 299] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... close resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] rmdir("./104" [pid 299] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./105", 0777 [pid 299] <... openat resumed>) = 3 [pid 298] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] newfstatat(3, "", [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1490 [pid 299] getdents64(3, [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1491 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./107/binderfs") = 0 [pid 299] getdents64(3, ./strace-static-x86_64: Process 1490 attached [pid 1487] <... ioctl resumed>, 0x20001400) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 1491 attached [pid 1487] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] close(3 [pid 1491] set_robust_list(0x55555719e760, 24 [pid 1490] set_robust_list(0x55555719e760, 24 [pid 1487] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] <... close resumed>) = 0 [pid 1490] <... set_robust_list resumed>) = 0 [pid 1487] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] rmdir("./107" [pid 1491] <... set_robust_list resumed>) = 0 [pid 1487] <... bpf resumed>) = 7 [pid 1491] chdir("./96" [pid 1490] chdir("./105" [pid 1487] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... rmdir resumed>) = 0 [pid 1491] <... chdir resumed>) = 0 [pid 1490] <... chdir resumed>) = 0 [pid 1487] <... bpf resumed>) = 0 [pid 299] mkdir("./108", 0777 [pid 1491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1490] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1487] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1490] <... prctl resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1493 [pid 1490] setpgid(0, 0 [pid 1491] <... prctl resumed>) = 0 [pid 1487] <... bpf resumed>) = 8 [pid 1490] <... setpgid resumed>) = 0 [pid 1487] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16./strace-static-x86_64: Process 1493 attached [pid 1491] setpgid(0, 0 [pid 1490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1487] <... bpf resumed>) = 9 [pid 1493] set_robust_list(0x55555719e760, 24 [pid 1491] <... setpgid resumed>) = 0 [pid 1490] <... openat resumed>) = 3 [pid 1493] <... set_robust_list resumed>) = 0 [pid 1491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1490] write(3, "1000", 4 [pid 1487] exit_group(0 [pid 1493] chdir("./108" [pid 1491] <... openat resumed>) = 3 [pid 1490] <... write resumed>) = 4 [pid 1487] <... exit_group resumed>) = ? [pid 1493] <... chdir resumed>) = 0 [pid 1491] write(3, "1000", 4 [pid 1490] close(3 [pid 1493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1491] <... write resumed>) = 4 [pid 1490] <... close resumed>) = 0 [pid 1493] <... prctl resumed>) = 0 [pid 1491] close(3 [pid 1490] symlink("/dev/binderfs", "./binderfs" [pid 1493] setpgid(0, 0 [pid 1491] <... close resumed>) = 0 [pid 1490] <... symlink resumed>) = 0 [pid 1493] <... setpgid resumed>) = 0 [pid 1491] symlink("/dev/binderfs", "./binderfs" [pid 1490] write(1, "executing program\n", 18executing program [pid 1493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 1491] <... symlink resumed>) = 0 [pid 1490] <... write resumed>) = 18 [pid 1493] write(3, "1000", 4 [pid 1491] write(1, "executing program\n", 18 [pid 1490] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1493] <... write resumed>) = 4 [pid 1491] <... write resumed>) = 18 [pid 1493] close(3 [pid 1490] <... bpf resumed>) = 3 [pid 1493] <... close resumed>) = 0 [pid 1491] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1490] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1493] symlink("/dev/binderfs", "./binderfs" [pid 1491] <... bpf resumed>) = 3 [pid 1490] <... bpf resumed>) = 0 [pid 1493] <... symlink resumed>) = 0 [pid 1493] write(1, "executing program\n", 18executing program [pid 1491] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1490] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1493] <... write resumed>) = 18 [pid 1491] <... bpf resumed>) = 0 [pid 1493] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1490] <... bpf resumed>) = 4 [pid 1491] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1493] <... bpf resumed>) = 3 [pid 1490] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1493] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1491] <... bpf resumed>) = 4 [pid 1490] <... bpf resumed>) = 5 [pid 1493] <... bpf resumed>) = 0 [pid 1491] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1490] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1493] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1491] <... bpf resumed>) = 5 [pid 1490] <... openat resumed>) = 6 [pid 1493] <... bpf resumed>) = 4 [pid 1491] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1490] ioctl(6, PPPIOCNEWUNIT [pid 1493] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1491] <... openat resumed>) = 6 [pid 1490] <... ioctl resumed>, 0x20001400) = 0 [pid 1493] <... bpf resumed>) = 5 [pid 1491] ioctl(6, PPPIOCNEWUNIT [pid 1490] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1493] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1491] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1490] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1493] <... openat resumed>) = 6 [pid 1491] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1490] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1493] ioctl(6, PPPIOCNEWUNIT [pid 1491] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1490] <... bpf resumed>) = 7 [pid 1493] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1491] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1490] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1493] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1491] <... bpf resumed>) = 7 [pid 1490] <... bpf resumed>) = 0 [pid 1493] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1491] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1490] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1493] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1491] <... bpf resumed>) = 0 [pid 1490] <... bpf resumed>) = 8 [pid 1493] <... bpf resumed>) = 7 [pid 1491] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1490] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1493] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1491] <... bpf resumed>) = 8 [pid 1490] <... bpf resumed>) = 9 [pid 1493] <... bpf resumed>) = 0 [pid 1491] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1490] exit_group(0 [pid 1493] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1491] <... bpf resumed>) = 9 [pid 1490] <... exit_group resumed>) = ? [pid 1493] <... bpf resumed>) = 8 [pid 1491] exit_group(0 [pid 1493] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1491] <... exit_group resumed>) = ? [pid 1493] <... bpf resumed>) = 9 [pid 1491] +++ exited with 0 +++ [pid 1493] exit_group(0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1493] <... exit_group resumed>) = ? [pid 1493] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 299] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./108/binderfs", [pid 297] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... openat resumed>) = 3 [pid 299] unlink("./108/binderfs" [pid 297] newfstatat(3, "", [pid 299] <... unlink resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 297] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] close(3 [pid 297] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... close resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] rmdir("./108" [pid 297] newfstatat(AT_FDCWD, "./96/binderfs", [pid 299] <... rmdir resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] mkdir("./109", 0777 [pid 297] unlink("./96/binderfs" [pid 299] <... mkdir resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1496 [pid 297] close(3) = 0 [pid 297] rmdir("./96") = 0 [pid 297] mkdir("./97", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1497 ./strace-static-x86_64: Process 1497 attached [pid 1497] set_robust_list(0x55555719e760, 24) = 0 [pid 1497] chdir("./97") = 0 [pid 1497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1497] setpgid(0, 0) = 0 [pid 1497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1497] write(3, "1000", 4) = 4 [pid 1497] close(3) = 0 [pid 1497] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1497] write(1, "executing program\n", 18executing program ) = 18 [pid 1497] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1497] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1497] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1497] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1497] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1497] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1496 attached [pid 1496] set_robust_list(0x55555719e760, 24) = 0 [pid 1496] chdir("./109") = 0 [pid 1496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1496] setpgid(0, 0) = 0 [pid 1496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1497] <... ioctl resumed>, 0x20001400) = 0 [pid 1497] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1497] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1497] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1497] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1496] <... openat resumed>) = 3 [pid 1497] <... bpf resumed>) = 8 [pid 1496] write(3, "1000", 4 [pid 1497] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1497] exit_group(0 [pid 1496] <... write resumed>) = 4 [pid 1497] <... exit_group resumed>) = ? [pid 1496] close(3) = 0 [pid 1496] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1496] write(1, "executing program\n", 18executing program ) = 18 [pid 1496] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1496] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1496] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1485] +++ exited with 0 +++ [pid 1496] <... bpf resumed>) = 4 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1496] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 295] <... restart_syscall resumed>) = 0 [pid 1496] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1496] ioctl(6, PPPIOCNEWUNIT [pid 295] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1496] <... ioctl resumed>, 0x20001400) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1496] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1496] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] <... openat resumed>) = 3 [pid 1496] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] newfstatat(3, "", [pid 1496] <... bpf resumed>) = 7 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1496] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] getdents64(3, [pid 1496] <... bpf resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1496] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1496] <... bpf resumed>) = 8 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1496] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] newfstatat(AT_FDCWD, "./104/binderfs", [pid 1496] <... bpf resumed>) = 9 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1496] exit_group(0 [pid 295] unlink("./104/binderfs" [pid 1496] <... exit_group resumed>) = ? [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./104") = 0 [pid 295] mkdir("./105", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1501 ./strace-static-x86_64: Process 1501 attached [pid 1501] set_robust_list(0x55555719e760, 24) = 0 [pid 1501] chdir("./105") = 0 [pid 1501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1501] setpgid(0, 0) = 0 [pid 1501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1501] write(3, "1000", 4) = 4 [pid 1501] close(3) = 0 [pid 1501] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1501] write(1, "executing program\n", 18executing program ) = 18 [pid 1501] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1501] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1501] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1490] +++ exited with 0 +++ [pid 1487] +++ exited with 0 +++ [pid 1501] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1487, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1501] <... bpf resumed>) = 5 [pid 1501] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 298] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1501] ioctl(6, PPPIOCNEWUNIT [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... openat resumed>) = 3 [pid 296] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", [pid 296] newfstatat(3, "", [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 296] getdents64(3, [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./105/binderfs", [pid 296] newfstatat(AT_FDCWD, "./108/binderfs", [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./105/binderfs" [pid 296] unlink("./108/binderfs" [pid 298] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 298] getdents64(3, [pid 296] getdents64(3, [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 296] close(3 [pid 298] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 298] rmdir("./105" [pid 296] rmdir("./108" [pid 298] <... rmdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 298] mkdir("./106", 0777 [pid 296] mkdir("./109", 0777 [pid 1501] <... ioctl resumed>, 0x20001400) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 1501] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1501] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1501] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1507 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1508 [pid 1501] <... bpf resumed>) = 7 [pid 1501] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1501] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1501] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1501] exit_group(0) = ? ./strace-static-x86_64: Process 1507 attached [pid 1507] set_robust_list(0x55555719e760, 24) = 0 [pid 1507] chdir("./106") = 0 [pid 1507] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 1508 attached [pid 1508] set_robust_list(0x55555719e760, 24) = 0 [pid 1508] chdir("./109") = 0 [pid 1507] <... prctl resumed>) = 0 [pid 1507] setpgid(0, 0) = 0 [pid 1507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1507] write(3, "1000", 4) = 4 [pid 1507] close(3) = 0 [pid 1507] symlink("/dev/binderfs", "./binderfs" [pid 1508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1507] <... symlink resumed>) = 0 executing program [pid 1507] write(1, "executing program\n", 18) = 18 [pid 1507] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1507] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1507] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1508] <... prctl resumed>) = 0 [pid 1508] setpgid(0, 0) = 0 [pid 1508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1507] <... bpf resumed>) = 4 [pid 1508] <... openat resumed>) = 3 [pid 1507] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1508] write(3, "1000", 4 [pid 1507] <... bpf resumed>) = 5 [pid 1508] <... write resumed>) = 4 [pid 1507] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1508] close(3 [pid 1507] <... openat resumed>) = 6 [pid 1508] <... close resumed>) = 0 [pid 1507] ioctl(6, PPPIOCNEWUNIT [pid 1508] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1508] write(1, "executing program\n", 18) = 18 [pid 1507] <... ioctl resumed>, 0x20001400) = 0 [pid 1508] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1507] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1508] <... bpf resumed>) = 3 [pid 1507] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1508] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1507] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1508] <... bpf resumed>) = 0 [pid 1507] <... bpf resumed>) = 7 [pid 1508] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1507] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1508] <... bpf resumed>) = 4 [pid 1507] <... bpf resumed>) = 0 [pid 1508] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1507] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1508] <... bpf resumed>) = 5 [pid 1508] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1507] <... bpf resumed>) = 8 [pid 1508] ioctl(6, PPPIOCNEWUNIT [pid 1507] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1508] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1508] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1508] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1508] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1508] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1507] <... bpf resumed>) = 9 [pid 1508] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1507] exit_group(0 [pid 1508] <... bpf resumed>) = 9 [pid 1507] <... exit_group resumed>) = ? [pid 1508] exit_group(0) = ? [pid 1508] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1508, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./109/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./109") = 0 [pid 296] mkdir("./110", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1497] +++ exited with 0 +++ [pid 1496] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1514 ./strace-static-x86_64: Process 1514 attached [pid 1514] set_robust_list(0x55555719e760, 24) = 0 [pid 1514] chdir("./110" [pid 299] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] newfstatat(3, "", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1514] <... chdir resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] getdents64(3, [pid 297] <... openat resumed>) = 3 [pid 1514] <... prctl resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] newfstatat(3, "", [pid 1514] setpgid(0, 0 [pid 299] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1514] <... setpgid resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, [pid 1514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] newfstatat(AT_FDCWD, "./109/binderfs", [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1514] <... openat resumed>) = 3 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1514] write(3, "1000", 4 [pid 299] unlink("./109/binderfs" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1514] <... write resumed>) = 4 [pid 299] <... unlink resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./97/binderfs", [pid 1514] close(3 [pid 299] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1514] <... close resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] unlink("./97/binderfs" [pid 1514] symlink("/dev/binderfs", "./binderfs" [pid 299] close(3 [pid 297] <... unlink resumed>) = 0 [pid 1514] <... symlink resumed>) = 0 [pid 299] <... close resumed>) = 0 executing program [pid 297] getdents64(3, [pid 1514] write(1, "executing program\n", 18 [pid 299] rmdir("./109" [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1514] <... write resumed>) = 18 [pid 299] <... rmdir resumed>) = 0 [pid 297] close(3 [pid 1514] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] mkdir("./110", 0777 [pid 297] <... close resumed>) = 0 [pid 1514] <... bpf resumed>) = 3 [pid 299] <... mkdir resumed>) = 0 [pid 297] rmdir("./97" [pid 1514] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... rmdir resumed>) = 0 [pid 1514] <... bpf resumed>) = 0 [pid 297] mkdir("./98", 0777 [pid 1514] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1516 [pid 297] <... mkdir resumed>) = 0 [pid 1514] <... bpf resumed>) = 4 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1516 attached [pid 1514] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1518 [pid 1514] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1516] set_robust_list(0x55555719e760, 24 [pid 1514] ioctl(6, PPPIOCNEWUNIT [pid 1516] <... set_robust_list resumed>) = 0 [pid 1516] chdir("./110") = 0 [pid 1516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1516] setpgid(0, 0) = 0 [pid 1516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1516] write(3, "1000", 4) = 4 [pid 1516] close(3) = 0 ./strace-static-x86_64: Process 1518 attached [pid 1516] symlink("/dev/binderfs", "./binderfs" [pid 1518] set_robust_list(0x55555719e760, 24 [pid 1516] <... symlink resumed>) = 0 [pid 1518] <... set_robust_list resumed>) = 0 [pid 1516] write(1, "executing program\n", 18 [pid 1514] <... ioctl resumed>, 0x20001400) = 0 [pid 1514] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1514] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1514] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4executing program ) = 0 [pid 1514] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1518] chdir("./98" [pid 1516] <... write resumed>) = 18 [pid 1514] <... bpf resumed>) = 8 [pid 1518] <... chdir resumed>) = 0 [pid 1516] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1514] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1518] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1516] <... bpf resumed>) = 3 [pid 1514] <... bpf resumed>) = 9 [pid 1518] <... prctl resumed>) = 0 [pid 1516] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1514] exit_group(0 [pid 1518] setpgid(0, 0 [pid 1516] <... bpf resumed>) = 0 [pid 1514] <... exit_group resumed>) = ? [pid 1518] <... setpgid resumed>) = 0 [pid 1516] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1516] <... bpf resumed>) = 4 [pid 1516] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1518] <... openat resumed>) = 3 [pid 1518] write(3, "1000", 4) = 4 [pid 1518] close(3) = 0 [pid 1518] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1518] write(1, "executing program\n", 18 [pid 1516] <... bpf resumed>) = 5 [pid 1507] +++ exited with 0 +++ [pid 1501] +++ exited with 0 +++ [pid 1518] <... write resumed>) = 18 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1501, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 1518] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1516] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1518] <... bpf resumed>) = 3 [pid 1518] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1516] <... openat resumed>) = 6 [pid 1518] <... bpf resumed>) = 0 [pid 1516] ioctl(6, PPPIOCNEWUNIT [pid 1518] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1518] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1518] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1518] <... openat resumed>) = 6 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1518] ioctl(6, PPPIOCNEWUNIT [pid 298] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 1518] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1516] <... ioctl resumed>, 0x20001400) = 0 [pid 298] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 1518] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1516] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1518] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1516] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] getdents64(3, [pid 295] getdents64(3, [pid 1518] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1516] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1518] <... bpf resumed>) = 7 [pid 1516] <... bpf resumed>) = 7 [pid 298] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1518] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1516] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1518] <... bpf resumed>) = 0 [pid 298] newfstatat(AT_FDCWD, "./106/binderfs", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1518] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1516] <... bpf resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1518] <... bpf resumed>) = 8 [pid 1516] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] newfstatat(AT_FDCWD, "./105/binderfs", [pid 1518] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] unlink("./106/binderfs" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1518] <... bpf resumed>) = 9 [pid 1516] <... bpf resumed>) = 8 [pid 298] <... unlink resumed>) = 0 [pid 1516] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1516] exit_group(0) = ? [pid 1518] exit_group(0 [pid 298] getdents64(3, [pid 295] unlink("./105/binderfs" [pid 1518] <... exit_group resumed>) = ? [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... unlink resumed>) = 0 [pid 1518] +++ exited with 0 +++ [pid 298] close(3 [pid 295] getdents64(3, [pid 298] <... close resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] rmdir("./106" [pid 295] close(3 [pid 298] <... rmdir resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 297] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] rmdir("./105" [pid 298] mkdir("./107", 0777 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... rmdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 295] mkdir("./106", 0777 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] newfstatat(3, "", [pid 295] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 1520 attached [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1520 [pid 297] getdents64(3, executing program executing program ./strace-static-x86_64: Process 1521 attached [pid 1520] set_robust_list(0x55555719e760, 24 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1521] set_robust_list(0x55555719e760, 24 [pid 1520] <... set_robust_list resumed>) = 0 [pid 297] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1521 [pid 1521] <... set_robust_list resumed>) = 0 [pid 1520] chdir("./107" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1521] chdir("./106" [pid 1520] <... chdir resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./98/binderfs", [pid 1521] <... chdir resumed>) = 0 [pid 1520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1520] <... prctl resumed>) = 0 [pid 297] unlink("./98/binderfs" [pid 1521] <... prctl resumed>) = 0 [pid 1520] setpgid(0, 0 [pid 297] <... unlink resumed>) = 0 [pid 1521] setpgid(0, 0 [pid 1520] <... setpgid resumed>) = 0 [pid 297] getdents64(3, [pid 1521] <... setpgid resumed>) = 0 [pid 1520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1520] <... openat resumed>) = 3 [pid 297] close(3 [pid 1521] <... openat resumed>) = 3 [pid 1520] write(3, "1000", 4 [pid 297] <... close resumed>) = 0 [pid 1521] write(3, "1000", 4 [pid 1520] <... write resumed>) = 4 [pid 297] rmdir("./98" [pid 1521] <... write resumed>) = 4 [pid 1520] close(3 [pid 297] <... rmdir resumed>) = 0 [pid 1521] close(3 [pid 1520] <... close resumed>) = 0 [pid 297] mkdir("./99", 0777 [pid 1521] <... close resumed>) = 0 [pid 1520] symlink("/dev/binderfs", "./binderfs" [pid 297] <... mkdir resumed>) = 0 [pid 1521] symlink("/dev/binderfs", "./binderfs" [pid 1520] <... symlink resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1521] <... symlink resumed>) = 0 [pid 1520] write(1, "executing program\n", 18 [pid 1521] write(1, "executing program\n", 18 [pid 1520] <... write resumed>) = 18 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1522 [pid 1521] <... write resumed>) = 18 [pid 1520] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1521] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1520] <... bpf resumed>) = 3 [pid 1521] <... bpf resumed>) = 3 [pid 1520] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1521] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1520] <... bpf resumed>) = 0 [pid 1521] <... bpf resumed>) = 0 [pid 1520] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1521] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1520] <... bpf resumed>) = 4 [pid 1521] <... bpf resumed>) = 4 [pid 1520] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1521] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1520] <... bpf resumed>) = 5 [pid 1521] <... bpf resumed>) = 5 [pid 1520] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1521] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1520] <... openat resumed>) = 6 [pid 1521] <... openat resumed>) = 6 [pid 1520] ioctl(6, PPPIOCNEWUNIT [pid 1521] ioctl(6, PPPIOCNEWUNIT [pid 1520] <... ioctl resumed>, 0x20001400) = 0 [pid 1521] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1520] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1521] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1520] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1521] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1520] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1521] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1520] <... bpf resumed>) = 7 [pid 1521] <... bpf resumed>) = 7 [pid 1520] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1521] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1520] <... bpf resumed>) = 0 [pid 1521] <... bpf resumed>) = 0 [pid 1520] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1521] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1520] <... bpf resumed>) = 8 [pid 1521] <... bpf resumed>) = 8 [pid 1520] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1521] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1520] <... bpf resumed>) = 9 [pid 1521] <... bpf resumed>) = 9 [pid 1520] exit_group(0 [pid 1521] exit_group(0 [pid 1520] <... exit_group resumed>) = ? [pid 1521] <... exit_group resumed>) = ? [pid 1521] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 1522 attached [pid 295] newfstatat(3, "", [pid 1522] set_robust_list(0x55555719e760, 24 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1522] <... set_robust_list resumed>) = 0 [pid 295] getdents64(3, [pid 1522] chdir("./99" [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1522] <... chdir resumed>) = 0 [pid 295] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1522] <... prctl resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./106/binderfs", [pid 1522] setpgid(0, 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1522] <... setpgid resumed>) = 0 [pid 295] unlink("./106/binderfs" [pid 1522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... unlink resumed>) = 0 [pid 1522] <... openat resumed>) = 3 [pid 295] getdents64(3, [pid 1522] write(3, "1000", 4 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1522] <... write resumed>) = 4 [pid 295] close(3 [pid 1522] close(3 [pid 295] <... close resumed>) = 0 [pid 1522] <... close resumed>) = 0 [pid 295] rmdir("./106" [pid 1522] symlink("/dev/binderfs", "./binderfs" [pid 295] <... rmdir resumed>) = 0 [pid 1522] <... symlink resumed>) = 0 [pid 295] mkdir("./107", 0777 [pid 1522] write(1, "executing program\n", 18executing program [pid 295] <... mkdir resumed>) = 0 [pid 1522] <... write resumed>) = 18 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1522] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1524 [pid 1522] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1522] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1522] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1522] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1522] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1524 attached [pid 1524] set_robust_list(0x55555719e760, 24 [pid 1522] <... ioctl resumed>, 0x20001400) = 0 [pid 1524] <... set_robust_list resumed>) = 0 [pid 1522] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1522] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1524] chdir("./107") = 0 [pid 1522] <... bpf resumed>) = 7 [pid 1524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1522] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1524] <... prctl resumed>) = 0 [pid 1522] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1524] setpgid(0, 0 [pid 1522] <... bpf resumed>) = 8 [pid 1524] <... setpgid resumed>) = 0 [pid 1524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1522] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1524] <... openat resumed>) = 3 [pid 1522] <... bpf resumed>) = 9 [pid 1524] write(3, "1000", 4 [pid 1522] exit_group(0 [pid 1524] <... write resumed>) = 4 [pid 1522] <... exit_group resumed>) = ? [pid 1524] close(3) = 0 [pid 1524] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1524] write(1, "executing program\n", 18executing program ) = 18 [pid 1524] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1524] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1524] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1524] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1524] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1524] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1524] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1524] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1524] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1524] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1514] +++ exited with 0 +++ [pid 1524] <... bpf resumed>) = 8 [pid 1524] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1524] exit_group(0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./110/binderfs" [pid 1524] <... exit_group resumed>) = ? [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./110") = 0 [pid 296] mkdir("./111", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1529 ./strace-static-x86_64: Process 1529 attached [pid 1529] set_robust_list(0x55555719e760, 24) = 0 [pid 1529] chdir("./111") = 0 [pid 1529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1529] setpgid(0, 0) = 0 [pid 1529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1529] write(3, "1000", 4) = 4 [pid 1529] close(3) = 0 [pid 1529] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1529] write(1, "executing program\n", 18) = 18 [pid 1529] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1529] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1529] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1529] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1529] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1529] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1529] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1516] +++ exited with 0 +++ [pid 1522] +++ exited with 0 +++ [pid 1520] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1516, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1529] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 1529] <... bpf resumed>) = 7 [pid 299] <... restart_syscall resumed>) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 1529] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1529] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1529] <... bpf resumed>) = 8 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1529] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1529] <... bpf resumed>) = 9 [pid 299] <... openat resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 297] <... openat resumed>) = 3 [pid 1529] exit_group(0 [pid 299] newfstatat(3, "", [pid 298] newfstatat(3, "", [pid 297] newfstatat(3, "", [pid 1529] <... exit_group resumed>) = ? [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 298] getdents64(3, [pid 297] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./110/binderfs", [pid 298] newfstatat(AT_FDCWD, "./107/binderfs", [pid 297] newfstatat(AT_FDCWD, "./99/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./110/binderfs" [pid 298] unlink("./107/binderfs" [pid 297] unlink("./99/binderfs" [pid 299] <... unlink resumed>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 298] getdents64(3, [pid 297] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 298] close(3 [pid 297] close(3 [pid 299] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 299] rmdir("./110" [pid 298] rmdir("./107" [pid 297] rmdir("./99" [pid 299] <... rmdir resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 299] mkdir("./111", 0777 [pid 298] mkdir("./108", 0777 [pid 297] mkdir("./100", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1532 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1533 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1534 ./strace-static-x86_64: Process 1534 attached [pid 1534] set_robust_list(0x55555719e760, 24) = 0 [pid 1534] chdir("./100"./strace-static-x86_64: Process 1532 attached ) = 0 [pid 1534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1534] setpgid(0, 0) = 0 [pid 1534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1532] set_robust_list(0x55555719e760, 24 [pid 1534] write(3, "1000", 4 [pid 1532] <... set_robust_list resumed>) = 0 [pid 1534] <... write resumed>) = 4 ./strace-static-x86_64: Process 1533 attached [pid 1534] close(3) = 0 [pid 1533] set_robust_list(0x55555719e760, 24 [pid 1534] symlink("/dev/binderfs", "./binderfs" [pid 1533] <... set_robust_list resumed>) = 0 [pid 1534] <... symlink resumed>) = 0 [pid 1533] chdir("./108" [pid 1532] chdir("./111" [pid 1534] write(1, "executing program\n", 18 [pid 1533] <... chdir resumed>) = 0 executing program [pid 1534] <... write resumed>) = 18 [pid 1533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1534] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1533] <... prctl resumed>) = 0 [pid 1532] <... chdir resumed>) = 0 [pid 1534] <... bpf resumed>) = 3 [pid 1533] setpgid(0, 0 [pid 1534] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1533] <... setpgid resumed>) = 0 [pid 1534] <... bpf resumed>) = 0 [pid 1533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1532] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1534] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1533] <... openat resumed>) = 3 [pid 1532] <... prctl resumed>) = 0 [pid 1534] <... bpf resumed>) = 4 [pid 1533] write(3, "1000", 4 [pid 1532] setpgid(0, 0 [pid 1534] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1533] <... write resumed>) = 4 [pid 1532] <... setpgid resumed>) = 0 [pid 1534] <... bpf resumed>) = 5 [pid 1533] close(3 [pid 1534] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1533] <... close resumed>) = 0 [pid 1534] <... openat resumed>) = 6 [pid 1533] symlink("/dev/binderfs", "./binderfs" [pid 1534] ioctl(6, PPPIOCNEWUNIT [pid 1533] <... symlink resumed>) = 0 [pid 1532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1533] write(1, "executing program\n", 18 [pid 1532] <... openat resumed>) = 3 executing program [pid 1533] <... write resumed>) = 18 [pid 1533] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1532] write(3, "1000", 4 [pid 1533] <... bpf resumed>) = 3 [pid 1532] <... write resumed>) = 4 [pid 1533] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1533] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1532] close(3 [pid 1533] <... bpf resumed>) = 4 [pid 1532] <... close resumed>) = 0 [pid 1533] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1533] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1532] symlink("/dev/binderfs", "./binderfs" [pid 1533] ioctl(6, PPPIOCNEWUNIT [pid 1534] <... ioctl resumed>, 0x20001400) = 0 [pid 1533] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1532] <... symlink resumed>) = 0 [pid 1534] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1533] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1534] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1533] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1534] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1533] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1534] <... bpf resumed>) = 7 [pid 1533] <... bpf resumed>) = 7 [pid 1532] write(1, "executing program\n", 18 [pid 1534] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1533] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4executing program [pid 1534] <... bpf resumed>) = 0 [pid 1533] <... bpf resumed>) = 0 [pid 1534] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1533] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1534] <... bpf resumed>) = 8 [pid 1533] <... bpf resumed>) = 8 [pid 1532] <... write resumed>) = 18 [pid 1534] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1533] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1534] <... bpf resumed>) = 9 [pid 1533] <... bpf resumed>) = 9 [pid 1534] exit_group(0 [pid 1533] exit_group(0 [pid 1532] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1534] <... exit_group resumed>) = ? [pid 1533] <... exit_group resumed>) = ? [pid 1533] +++ exited with 0 +++ [pid 1532] <... bpf resumed>) = 3 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1532] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1532] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1532] <... bpf resumed>) = 4 [pid 1524] +++ exited with 0 +++ [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1532] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1532] <... bpf resumed>) = 5 [pid 298] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... openat resumed>) = 3 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(3, "", [pid 298] newfstatat(AT_FDCWD, "./108/binderfs", [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] getdents64(3, [pid 298] unlink("./108/binderfs" [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1532] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] <... unlink resumed>) = 0 [pid 295] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] newfstatat(AT_FDCWD, "./107/binderfs", [pid 298] close(3 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1532] <... openat resumed>) = 6 [pid 298] <... close resumed>) = 0 [pid 295] unlink("./107/binderfs" [pid 1532] ioctl(6, PPPIOCNEWUNIT [pid 298] rmdir("./108" [pid 295] <... unlink resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 295] getdents64(3, [pid 298] mkdir("./109", 0777 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1532] <... ioctl resumed>, 0x20001400) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 295] close(3 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... close resumed>) = 0 [pid 295] rmdir("./107" [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1538 [pid 295] <... rmdir resumed>) = 0 [pid 1532] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] mkdir("./108", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1532] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1540 [pid 1532] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1532] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4./strace-static-x86_64: Process 1540 attached [pid 1540] set_robust_list(0x55555719e760, 24) = 0 [pid 1540] chdir("./108" [pid 1532] <... bpf resumed>) = 0 [pid 1540] <... chdir resumed>) = 0 [pid 1540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1532] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1540] <... prctl resumed>) = 0 [pid 1540] setpgid(0, 0) = 0 [pid 1540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1532] <... bpf resumed>) = 8 [pid 1540] write(3, "1000", 4 [pid 1532] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1540] <... write resumed>) = 4 [pid 1540] close(3) = 0 [pid 1540] symlink("/dev/binderfs", "./binderfs" [pid 1532] <... bpf resumed>) = 9 [pid 1532] exit_group(0./strace-static-x86_64: Process 1538 attached [pid 1538] set_robust_list(0x55555719e760, 24 [pid 1540] <... symlink resumed>) = 0 [pid 1538] <... set_robust_list resumed>) = 0 [pid 1538] chdir("./109"executing program [pid 1540] write(1, "executing program\n", 18) = 18 [pid 1540] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1532] <... exit_group resumed>) = ? [pid 1538] <... chdir resumed>) = 0 [pid 1538] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1540] <... bpf resumed>) = 3 [pid 1538] <... prctl resumed>) = 0 [pid 1538] setpgid(0, 0) = 0 [pid 1540] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1540] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1538] <... openat resumed>) = 3 [pid 1540] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1538] write(3, "1000", 4 [pid 1540] <... bpf resumed>) = 5 [pid 1538] <... write resumed>) = 4 [pid 1540] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1538] close(3 [pid 1540] ioctl(6, PPPIOCNEWUNIT [pid 1538] <... close resumed>) = 0 [pid 1538] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1538] write(1, "executing program\n", 18 executing program [pid 1540] <... ioctl resumed>, 0x20001400) = 0 [pid 1538] <... write resumed>) = 18 [pid 1529] +++ exited with 0 +++ [pid 1540] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1538] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1540] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1538] <... bpf resumed>) = 3 [pid 1540] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1538] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1540] <... bpf resumed>) = 7 [pid 296] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1540] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1538] <... bpf resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1540] <... bpf resumed>) = 0 [pid 1538] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1540] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... openat resumed>) = 3 [pid 1540] <... bpf resumed>) = 8 [pid 1538] <... bpf resumed>) = 4 [pid 296] newfstatat(3, "", [pid 1540] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1538] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1540] <... bpf resumed>) = 9 [pid 1538] <... bpf resumed>) = 5 [pid 296] getdents64(3, [pid 1540] exit_group(0 [pid 1538] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1540] <... exit_group resumed>) = ? [pid 1538] <... openat resumed>) = 6 [pid 296] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1538] ioctl(6, PPPIOCNEWUNIT [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./111/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1538] <... ioctl resumed>, 0x20001400) = 0 [pid 296] close(3 [pid 1538] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1538] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1538] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1538] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 296] <... close resumed>) = 0 [pid 1538] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1538] exit_group(0) = ? [pid 296] rmdir("./111") = 0 [pid 296] mkdir("./112", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1544 ./strace-static-x86_64: Process 1544 attached [pid 1544] set_robust_list(0x55555719e760, 24) = 0 [pid 1544] chdir("./112") = 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 1544] write(3, "1000", 4) = 4 [pid 1544] close(3) = 0 [pid 1544] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1544] write(1, "executing program\n", 18executing program ) = 18 [pid 1544] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1544] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1544] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1544] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1544] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1544] ioctl(6, PPPIOCNEWUNIT [pid 1534] +++ exited with 0 +++ [pid 1532] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 299] <... restart_syscall resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 299] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... openat resumed>) = 3 [pid 297] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 297] newfstatat(3, "", [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 297] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./111/binderfs", [pid 297] newfstatat(AT_FDCWD, "./100/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./111/binderfs" [pid 297] unlink("./100/binderfs" [pid 1544] <... ioctl resumed>, 0x20001400) = 0 [pid 299] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 1544] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] getdents64(3, [pid 297] getdents64(3, [pid 1544] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1544] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] close(3 [pid 297] close(3 [pid 1544] <... bpf resumed>) = 7 [pid 299] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 1544] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] rmdir("./111" [pid 297] rmdir("./100" [pid 1544] <... bpf resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 1544] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] mkdir("./112", 0777 [pid 297] mkdir("./101", 0777 [pid 1544] <... bpf resumed>) = 8 [pid 299] <... mkdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 1544] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1544] <... bpf resumed>) = 9 [pid 1544] exit_group(0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1549 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1550 [pid 1544] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 1549 attached [pid 1549] set_robust_list(0x55555719e760, 24./strace-static-x86_64: Process 1550 attached [pid 1550] set_robust_list(0x55555719e760, 24) = 0 [pid 1550] chdir("./101") = 0 [pid 1550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1549] <... set_robust_list resumed>) = 0 [pid 1550] setpgid(0, 0 [pid 1549] chdir("./112" [pid 1550] <... setpgid resumed>) = 0 [pid 1549] <... chdir resumed>) = 0 [pid 1550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1549] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1550] <... openat resumed>) = 3 [pid 1549] <... prctl resumed>) = 0 [pid 1550] write(3, "1000", 4 [pid 1549] setpgid(0, 0 [pid 1550] <... write resumed>) = 4 [pid 1549] <... setpgid resumed>) = 0 [pid 1550] close(3 [pid 1549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1550] <... close resumed>) = 0 [pid 1549] <... openat resumed>) = 3 [pid 1550] symlink("/dev/binderfs", "./binderfs" [pid 1549] write(3, "1000", 4 [pid 1550] <... symlink resumed>) = 0 [pid 1549] <... write resumed>) = 4 [pid 1550] write(1, "executing program\n", 18 [pid 1549] close(3executing program [pid 1550] <... write resumed>) = 18 [pid 1549] <... close resumed>) = 0 [pid 1550] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1549] symlink("/dev/binderfs", "./binderfs"executing program [pid 1550] <... bpf resumed>) = 3 [pid 1549] <... symlink resumed>) = 0 [pid 1550] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1549] write(1, "executing program\n", 18 [pid 1550] <... bpf resumed>) = 0 [pid 1549] <... write resumed>) = 18 [pid 1550] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1549] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1550] <... bpf resumed>) = 4 [pid 1549] <... bpf resumed>) = 3 [pid 1550] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1549] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1550] <... bpf resumed>) = 5 [pid 1549] <... bpf resumed>) = 0 [pid 1550] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1549] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1550] <... openat resumed>) = 6 [pid 1549] <... bpf resumed>) = 4 [pid 1550] ioctl(6, PPPIOCNEWUNIT [pid 1549] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1549] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1549] ioctl(6, PPPIOCNEWUNIT [pid 1550] <... ioctl resumed>, 0x20001400) = 0 [pid 1549] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1550] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1549] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1550] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1549] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1550] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1549] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1550] <... bpf resumed>) = 7 [pid 1549] <... bpf resumed>) = 7 [pid 1550] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1549] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1550] <... bpf resumed>) = 0 [pid 1549] <... bpf resumed>) = 0 [pid 1550] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1549] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1550] <... bpf resumed>) = 8 [pid 1549] <... bpf resumed>) = 8 [pid 1540] +++ exited with 0 +++ [pid 1538] +++ exited with 0 +++ [pid 1550] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1549] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1550] <... bpf resumed>) = 9 [pid 1549] <... bpf resumed>) = 9 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 1550] exit_group(0 [pid 1549] exit_group(0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1550] <... exit_group resumed>) = ? [pid 1549] <... exit_group resumed>) = ? [pid 298] <... restart_syscall resumed>) = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1549] +++ exited with 0 +++ [pid 295] <... restart_syscall resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1549, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... openat resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(3, "", [pid 295] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... openat resumed>) = 3 [pid 299] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] getdents64(3, [pid 295] newfstatat(3, "", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... openat resumed>) = 3 [pid 298] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] newfstatat(3, "", [pid 295] getdents64(3, [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] getdents64(3, [pid 298] newfstatat(AT_FDCWD, "./109/binderfs", [pid 295] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] unlink("./109/binderfs" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./112/binderfs", [pid 298] <... unlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./108/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] getdents64(3, [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./112/binderfs" [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] unlink("./108/binderfs" [pid 299] <... unlink resumed>) = 0 [pid 298] close(3 [pid 299] getdents64(3, [pid 295] <... unlink resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] rmdir("./109" [pid 295] getdents64(3, [pid 299] close(3) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] rmdir("./112" [pid 298] mkdir("./110", 0777 [pid 295] close(3 [pid 299] <... rmdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 299] mkdir("./113", 0777 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] rmdir("./108" [pid 299] <... mkdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1556 [pid 295] mkdir("./109", 0777) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1557 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1558 attached ./strace-static-x86_64: Process 1557 attached ./strace-static-x86_64: Process 1556 attached [pid 1558] set_robust_list(0x55555719e760, 24 [pid 1557] set_robust_list(0x55555719e760, 24 [pid 1556] set_robust_list(0x55555719e760, 24 [pid 1558] <... set_robust_list resumed>) = 0 [pid 1557] <... set_robust_list resumed>) = 0 [pid 1556] <... set_robust_list resumed>) = 0 [pid 1558] chdir("./109" [pid 1557] chdir("./113" [pid 1556] chdir("./110" [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1558 [pid 1558] <... chdir resumed>) = 0 [pid 1557] <... chdir resumed>) = 0 [pid 1556] <... chdir resumed>) = 0 [pid 1558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1558] <... prctl resumed>) = 0 [pid 1557] <... prctl resumed>) = 0 [pid 1556] <... prctl resumed>) = 0 [pid 1558] setpgid(0, 0 [pid 1557] setpgid(0, 0 [pid 1556] setpgid(0, 0 [pid 1558] <... setpgid resumed>) = 0 [pid 1557] <... setpgid resumed>) = 0 [pid 1556] <... setpgid resumed>) = 0 [pid 1558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1558] <... openat resumed>) = 3 [pid 1557] <... openat resumed>) = 3 [pid 1556] <... openat resumed>) = 3 [pid 1558] write(3, "1000", 4 [pid 1557] write(3, "1000", 4 [pid 1556] write(3, "1000", 4 [pid 1558] <... write resumed>) = 4 [pid 1557] <... write resumed>) = 4 [pid 1556] <... write resumed>) = 4 [pid 1558] close(3 [pid 1557] close(3 [pid 1556] close(3 [pid 1558] <... close resumed>) = 0 [pid 1557] <... close resumed>) = 0 [pid 1556] <... close resumed>) = 0 [pid 1558] symlink("/dev/binderfs", "./binderfs" [pid 1557] symlink("/dev/binderfs", "./binderfs" [pid 1556] symlink("/dev/binderfs", "./binderfs" [pid 1558] <... symlink resumed>) = 0 [pid 1557] <... symlink resumed>) = 0 [pid 1556] <... symlink resumed>) = 0 executing program [pid 1558] write(1, "executing program\n", 18executing program [pid 1557] write(1, "executing program\n", 18executing program [pid 1556] write(1, "executing program\n", 18 [pid 1558] <... write resumed>) = 18 [pid 1557] <... write resumed>) = 18 [pid 1556] <... write resumed>) = 18 [pid 1558] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1557] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1556] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1558] <... bpf resumed>) = 3 [pid 1557] <... bpf resumed>) = 3 [pid 1556] <... bpf resumed>) = 3 [pid 1558] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1557] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1556] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1558] <... bpf resumed>) = 0 [pid 1557] <... bpf resumed>) = 0 [pid 1556] <... bpf resumed>) = 0 [pid 1558] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1557] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1556] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1558] <... bpf resumed>) = 4 [pid 1557] <... bpf resumed>) = 4 [pid 1556] <... bpf resumed>) = 4 [pid 1558] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1557] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1556] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1544] +++ exited with 0 +++ [pid 1558] <... bpf resumed>) = 5 [pid 1557] <... bpf resumed>) = 5 [pid 1556] <... bpf resumed>) = 5 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1558] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1557] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1556] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 1558] <... openat resumed>) = 6 [pid 1557] <... openat resumed>) = 6 [pid 1556] <... openat resumed>) = 6 [pid 296] <... restart_syscall resumed>) = 0 [pid 1558] ioctl(6, PPPIOCNEWUNIT [pid 1557] ioctl(6, PPPIOCNEWUNIT [pid 1556] ioctl(6, PPPIOCNEWUNIT [pid 296] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1558] <... ioctl resumed>, 0x20001400) = 0 [pid 1557] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1556] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 296] <... openat resumed>) = 3 [pid 1558] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1557] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1556] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] newfstatat(3, "", [pid 1558] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1557] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1556] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1558] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1557] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1556] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] getdents64(3, [pid 1558] <... bpf resumed>) = 7 [pid 1550] +++ exited with 0 +++ [pid 1557] <... bpf resumed>) = 7 [pid 1556] <... bpf resumed>) = 7 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1558] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1557] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1556] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1558] <... bpf resumed>) = 0 [pid 1557] <... bpf resumed>) = 0 [pid 1556] <... bpf resumed>) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1558] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1557] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1556] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... restart_syscall resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./112/binderfs", [pid 1558] <... bpf resumed>) = 8 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1557] <... bpf resumed>) = 8 [pid 296] unlink("./112/binderfs" [pid 1558] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1557] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1556] <... bpf resumed>) = 8 [pid 297] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 1558] <... bpf resumed>) = 9 [pid 1557] <... bpf resumed>) = 9 [pid 1556] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] getdents64(3, [pid 1558] exit_group(0 [pid 1557] exit_group(0 [pid 1556] <... bpf resumed>) = 9 [pid 297] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1558] <... exit_group resumed>) = ? [pid 1557] <... exit_group resumed>) = ? [pid 1556] exit_group(0 [pid 297] <... openat resumed>) = 3 [pid 296] close(3 [pid 1556] <... exit_group resumed>) = ? [pid 297] newfstatat(3, "", [pid 296] <... close resumed>) = 0 [pid 1557] +++ exited with 0 +++ [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] rmdir("./112" [pid 297] getdents64(3, [pid 296] <... rmdir resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] mkdir("./113", 0777 [pid 299] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... mkdir resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./101/binderfs", [pid 299] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1564 [pid 299] <... openat resumed>) = 3 [pid 297] unlink("./101/binderfs" [pid 299] newfstatat(3, "", [pid 297] <... unlink resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 299] getdents64(3, [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] close(3 [pid 299] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... close resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] rmdir("./101" [pid 299] newfstatat(AT_FDCWD, "./113/binderfs", [pid 297] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 1564 attached [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] mkdir("./102", 0777 [pid 1564] set_robust_list(0x55555719e760, 24 [pid 299] unlink("./113/binderfs" [pid 297] <... mkdir resumed>) = 0 [pid 1564] <... set_robust_list resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1564] chdir("./113" [pid 299] getdents64(3, [pid 1564] <... chdir resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1565 [pid 1564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] close(3 [pid 1564] <... prctl resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 1564] setpgid(0, 0 [pid 299] rmdir("./113" [pid 1564] <... setpgid resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 1564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] mkdir("./114", 0777 [pid 1556] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1564] <... openat resumed>) = 3 [pid 299] <... mkdir resumed>) = 0 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 1564] write(3, "1000", 4 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... restart_syscall resumed>) = 0 [pid 1564] <... write resumed>) = 4 ./strace-static-x86_64: Process 1565 attached [pid 1564] close(3 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1567 [pid 298] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1565] set_robust_list(0x55555719e760, 24 [pid 1564] <... close resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1565] <... set_robust_list resumed>) = 0 [pid 1564] symlink("/dev/binderfs", "./binderfs" [pid 298] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 1565] chdir("./102" [pid 1564] <... symlink resumed>) = 0 [pid 298] newfstatat(3, "", executing program [pid 1565] <... chdir resumed>) = 0 [pid 1564] write(1, "executing program\n", 18 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1564] <... write resumed>) = 18 [pid 298] getdents64(3, [pid 1565] <... prctl resumed>) = 0 [pid 1564] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1565] setpgid(0, 0 [pid 1564] <... bpf resumed>) = 3 [pid 298] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1565] <... setpgid resumed>) = 0 [pid 1564] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1564] <... bpf resumed>) = 0 [pid 298] newfstatat(AT_FDCWD, "./110/binderfs", [pid 1565] <... openat resumed>) = 3 [pid 1564] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1565] write(3, "1000", 4 [pid 298] unlink("./110/binderfs" [pid 1565] <... write resumed>) = 4 [pid 1564] <... bpf resumed>) = 4 [pid 298] <... unlink resumed>) = 0 [pid 1565] close(3 [pid 1564] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] getdents64(3, ./strace-static-x86_64: Process 1567 attached [pid 1565] <... close resumed>) = 0 [pid 1564] <... bpf resumed>) = 5 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1567] set_robust_list(0x55555719e760, 24 [pid 1565] symlink("/dev/binderfs", "./binderfs" [pid 1564] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] close(3 [pid 1567] <... set_robust_list resumed>) = 0 [pid 1565] <... symlink resumed>) = 0 [pid 1564] <... openat resumed>) = 6 [pid 298] <... close resumed>) = 0 executing program [pid 1567] chdir("./114" [pid 1565] write(1, "executing program\n", 18 [pid 1564] ioctl(6, PPPIOCNEWUNIT [pid 298] rmdir("./110" [pid 1567] <... chdir resumed>) = 0 [pid 1565] <... write resumed>) = 18 [pid 298] <... rmdir resumed>) = 0 [pid 1567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] mkdir("./111", 0777 [pid 1567] <... prctl resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 1567] setpgid(0, 0 [pid 1565] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1564] <... ioctl resumed>, 0x20001400) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1567] <... setpgid resumed>) = 0 [pid 1565] <... bpf resumed>) = 3 [pid 1564] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1565] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1564] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1568 [pid 1567] <... openat resumed>) = 3 [pid 1565] <... bpf resumed>) = 0 [pid 1564] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1567] write(3, "1000", 4 [pid 1565] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1564] <... bpf resumed>) = 7 [pid 1567] <... write resumed>) = 4 [pid 1567] close(3 [pid 1565] <... bpf resumed>) = 4 [pid 1564] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1567] <... close resumed>) = 0 [pid 1565] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1564] <... bpf resumed>) = 0 [pid 1567] symlink("/dev/binderfs", "./binderfs" [pid 1565] <... bpf resumed>) = 5 [pid 1564] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1567] <... symlink resumed>) = 0 [pid 1565] openat(AT_FDCWD, "/dev/ppp", O_RDONLYexecuting program [pid 1567] write(1, "executing program\n", 18 [pid 1565] <... openat resumed>) = 6 [pid 1564] <... bpf resumed>) = 8 [pid 1567] <... write resumed>) = 18 [pid 1565] ioctl(6, PPPIOCNEWUNIT [pid 1564] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16./strace-static-x86_64: Process 1568 attached [pid 1567] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1565] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1568] set_robust_list(0x55555719e760, 24 [pid 1567] <... bpf resumed>) = 3 [pid 1565] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1564] <... bpf resumed>) = 9 [pid 1565] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1565] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1564] exit_group(0 [pid 1568] <... set_robust_list resumed>) = 0 [pid 1567] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1565] <... bpf resumed>) = 7 [pid 1564] <... exit_group resumed>) = ? [pid 1565] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1565] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1567] <... bpf resumed>) = 0 [pid 1567] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1565] <... bpf resumed>) = 8 [pid 1558] +++ exited with 0 +++ [pid 1567] <... bpf resumed>) = 4 [pid 1565] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1567] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1565] exit_group(0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1565] <... exit_group resumed>) = ? [pid 1567] <... bpf resumed>) = 5 [pid 1567] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1567] ioctl(6, PPPIOCNEWUNIT [pid 1565] +++ exited with 0 +++ [pid 295] <... restart_syscall resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 295] <... openat resumed>) = 3 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] newfstatat(3, "", [pid 297] getdents64(3, [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./102/binderfs", [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] unlink("./102/binderfs" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./109/binderfs", [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] close(3 [pid 295] unlink("./109/binderfs" [pid 1568] chdir("./111" [pid 297] <... close resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 1568] <... chdir resumed>) = 0 [pid 297] rmdir("./102" [pid 295] getdents64(3, [pid 1568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1568] setpgid(0, 0 [pid 297] mkdir("./103", 0777 [pid 295] close(3 [pid 1568] <... setpgid resumed>) = 0 [pid 1568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... mkdir resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 1568] <... openat resumed>) = 3 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] rmdir("./109" [pid 1568] write(3, "1000", 4) = 4 [pid 1568] close(3 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1572 [pid 295] <... rmdir resumed>) = 0 [pid 1568] <... close resumed>) = 0 [pid 295] mkdir("./110", 0777 [pid 1568] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 1568] write(1, "executing program\n", 18 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1568] <... write resumed>) = 18 [pid 1568] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1568] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1567] <... ioctl resumed>, 0x20001400) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1573 [pid 1568] <... bpf resumed>) = 0 [pid 1567] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1568] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1567] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1568] <... bpf resumed>) = 4 [pid 1567] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 1573 attached [pid 1568] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1567] <... bpf resumed>) = 7 [pid 1573] set_robust_list(0x55555719e760, 24 [pid 1568] <... bpf resumed>) = 5 [pid 1567] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4./strace-static-x86_64: Process 1572 attached [pid 1573] <... set_robust_list resumed>) = 0 [pid 1568] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1567] <... bpf resumed>) = 0 [pid 1573] chdir("./110" [pid 1568] <... openat resumed>) = 6 [pid 1567] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1573] <... chdir resumed>) = 0 [pid 1568] ioctl(6, PPPIOCNEWUNIT [pid 1567] <... bpf resumed>) = 8 [pid 1573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1572] set_robust_list(0x55555719e760, 24 [pid 1568] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1567] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1573] <... prctl resumed>) = 0 [pid 1572] <... set_robust_list resumed>) = 0 [pid 1568] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1567] <... bpf resumed>) = 9 [pid 1573] setpgid(0, 0 [pid 1572] chdir("./103" [pid 1568] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1567] exit_group(0 [pid 1573] <... setpgid resumed>) = 0 [pid 1572] <... chdir resumed>) = 0 [pid 1568] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1567] <... exit_group resumed>) = ? [pid 1573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1572] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1568] <... bpf resumed>) = 7 [pid 1573] <... openat resumed>) = 3 [pid 1572] <... prctl resumed>) = 0 [pid 1568] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1573] write(3, "1000", 4 [pid 1572] setpgid(0, 0 [pid 1568] <... bpf resumed>) = 0 [pid 1573] <... write resumed>) = 4 [pid 1572] <... setpgid resumed>) = 0 [pid 1568] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1573] close(3 [pid 1572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1568] <... bpf resumed>) = 8 [pid 1573] <... close resumed>) = 0 [pid 1572] <... openat resumed>) = 3 [pid 1568] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1573] symlink("/dev/binderfs", "./binderfs" [pid 1572] write(3, "1000", 4 [pid 1568] <... bpf resumed>) = 9 [pid 1573] <... symlink resumed>) = 0 [pid 1572] <... write resumed>) = 4 [pid 1568] exit_group(0executing program [pid 1573] write(1, "executing program\n", 18 [pid 1568] <... exit_group resumed>) = ? [pid 1573] <... write resumed>) = 18 [pid 1572] close(3 [pid 1568] +++ exited with 0 +++ [pid 1573] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1573] <... bpf resumed>) = 3 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 1573] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] <... restart_syscall resumed>) = 0 [pid 1573] <... bpf resumed>) = 0 [pid 1573] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1572] <... close resumed>) = 0 [pid 298] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1573] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1572] symlink("/dev/binderfs", "./binderfs" [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1572] <... symlink resumed>) = 0 [pid 298] <... openat resumed>) = 3 executing program [pid 1572] write(1, "executing program\n", 18 [pid 298] newfstatat(3, "", [pid 1572] <... write resumed>) = 18 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./111/binderfs", [pid 1572] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1572] <... bpf resumed>) = 3 [pid 298] unlink("./111/binderfs" [pid 1572] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] <... unlink resumed>) = 0 [pid 1572] <... bpf resumed>) = 0 [pid 298] getdents64(3, [pid 1572] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 1572] <... bpf resumed>) = 4 [pid 298] rmdir("./111" [pid 1572] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./112", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1579 ./strace-static-x86_64: Process 1579 attached [pid 1579] set_robust_list(0x55555719e760, 24) = 0 [pid 1579] chdir("./112") = 0 [pid 1579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1579] setpgid(0, 0) = 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 1579] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1579] write(1, "executing program\n", 18executing program ) = 18 [pid 1579] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1579] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1573] <... bpf resumed>) = 5 [pid 1572] <... bpf resumed>) = 5 [pid 1564] +++ exited with 0 +++ [pid 1573] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1573] ioctl(6, PPPIOCNEWUNIT [pid 1579] <... bpf resumed>) = 0 [pid 1573] <... ioctl resumed>, 0x20001400) = 0 [pid 1572] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1573] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1573] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1579] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1573] <... bpf resumed>) = 7 [pid 1572] <... openat resumed>) = 6 [pid 1573] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1573] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1573] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1579] <... bpf resumed>) = 4 [pid 1573] <... bpf resumed>) = 9 [pid 1572] ioctl(6, PPPIOCNEWUNIT [pid 296] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1573] exit_group(0) = ? [pid 1579] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1572] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1579] <... bpf resumed>) = 5 [pid 1572] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1567] +++ exited with 0 +++ [pid 296] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1579] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1572] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] <... openat resumed>) = 3 [pid 1579] ioctl(6, PPPIOCNEWUNIT [pid 1572] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] newfstatat(3, "", [pid 1579] <... ioctl resumed>, 0x20001400) = 0 [pid 1572] <... bpf resumed>) = 7 [pid 299] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1579] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1572] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1579] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] getdents64(3, [pid 1579] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1572] <... bpf resumed>) = 0 [pid 299] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1579] <... bpf resumed>) = 7 [pid 1572] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... openat resumed>) = 3 [pid 1579] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1572] <... bpf resumed>) = 8 [pid 299] newfstatat(3, "", [pid 1579] <... bpf resumed>) = 0 [pid 1572] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1579] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] newfstatat(AT_FDCWD, "./113/binderfs", [pid 1572] <... bpf resumed>) = 9 [pid 1579] <... bpf resumed>) = 8 [pid 299] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1572] exit_group(0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] unlink("./113/binderfs" [pid 1579] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1572] <... exit_group resumed>) = ? [pid 299] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 1579] <... bpf resumed>) = 9 [pid 1572] +++ exited with 0 +++ [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] getdents64(3, [pid 1579] exit_group(0 [pid 299] newfstatat(AT_FDCWD, "./114/binderfs", [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1572, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1579] <... exit_group resumed>) = ? [pid 296] close(3 [pid 299] unlink("./114/binderfs") = 0 [pid 297] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... close resumed>) = 0 [pid 299] getdents64(3, [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] rmdir("./113" [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] close(3 [pid 296] <... rmdir resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 299] <... close resumed>) = 0 [pid 297] newfstatat(3, "", [pid 296] mkdir("./114", 0777 [pid 299] rmdir("./114" [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 297] getdents64(3, [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] mkdir("./115", 0777 [pid 297] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1584 attached [pid 1584] set_robust_list(0x55555719e760, 24) = 0 [pid 1584] chdir("./114" [pid 299] <... mkdir resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1584 [pid 1584] <... chdir resumed>) = 0 [pid 1584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1584] setpgid(0, 0) = 0 [pid 297] newfstatat(AT_FDCWD, "./103/binderfs", [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1584] <... openat resumed>) = 3 [pid 1584] write(3, "1000", 4) = 4 [pid 1584] close(3 [pid 297] unlink("./103/binderfs" [pid 1584] <... close resumed>) = 0 [pid 1584] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1585 [pid 297] <... unlink resumed>) = 0 [pid 1584] write(1, "executing program\n", 18) = 18 [pid 1584] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] getdents64(3, [pid 1584] <... bpf resumed>) = 3 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1584] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 297] close(3 [pid 1584] <... bpf resumed>) = 0 [pid 1584] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... close resumed>) = 0 [pid 1584] <... bpf resumed>) = 4 [pid 297] rmdir("./103" [pid 1584] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1584] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1584] ioctl(6, PPPIOCNEWUNIT [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./104", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1585 attached [pid 1585] set_robust_list(0x55555719e760, 24) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1586 [pid 1585] chdir("./115") = 0 [pid 1585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1585] setpgid(0, 0) = 0 executing program [pid 1585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1585] write(3, "1000", 4) = 4 [pid 1585] close(3) = 0 [pid 1585] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1585] write(1, "executing program\n", 18) = 18 [pid 1585] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1585] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1585] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1585] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1585] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1585] ioctl(6, PPPIOCNEWUNIT [pid 1584] <... ioctl resumed>, 0x20001400) = 0 [pid 1584] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1584] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1584] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1584] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 ./strace-static-x86_64: Process 1586 attached [pid 1584] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1584] exit_group(0) = ? [pid 1586] set_robust_list(0x55555719e760, 24) = 0 [pid 1586] chdir("./104") = 0 [pid 1586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1586] setpgid(0, 0) = 0 [pid 1586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1586] write(3, "1000", 4) = 4 [pid 1586] close(3 [pid 1585] <... ioctl resumed>, 0x20001400) = 0 [pid 1585] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1585] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1586] <... close resumed>) = 0 [pid 1585] <... bpf resumed>) = 7 [pid 1585] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1586] symlink("/dev/binderfs", "./binderfs" [pid 1585] <... bpf resumed>) = 0 [pid 1585] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program [pid 1586] <... symlink resumed>) = 0 [pid 1586] write(1, "executing program\n", 18 [pid 1585] <... bpf resumed>) = 8 [pid 1585] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1586] <... write resumed>) = 18 [pid 1585] <... bpf resumed>) = 9 [pid 1586] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1585] exit_group(0 [pid 1586] <... bpf resumed>) = 3 [pid 1585] <... exit_group resumed>) = ? [pid 1586] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1586] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1586] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1573] +++ exited with 0 +++ [pid 1586] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1573, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1586] <... openat resumed>) = 6 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1586] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 1586] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1586] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1586] <... bpf resumed>) = 7 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1586] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1586] <... bpf resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 1586] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] newfstatat(3, "", [pid 1586] <... bpf resumed>) = 8 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1586] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] getdents64(3, [pid 1586] <... bpf resumed>) = 9 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1586] exit_group(0 [pid 295] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1586] <... exit_group resumed>) = ? [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./110/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./110") = 0 [pid 295] mkdir("./111", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1591 ./strace-static-x86_64: Process 1591 attached [pid 1591] set_robust_list(0x55555719e760, 24) = 0 [pid 1591] chdir("./111") = 0 [pid 1591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1591] setpgid(0, 0) = 0 [pid 1591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1591] write(3, "1000", 4) = 4 [pid 1591] close(3) = 0 [pid 1591] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1591] write(1, "executing program\n", 18executing program ) = 18 [pid 1591] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1591] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1591] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1591] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1591] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1591] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1591] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1591] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1591] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1591] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1591] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1591] exit_group(0) = ? [pid 1584] +++ exited with 0 +++ [pid 1579] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1584, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./114/binderfs" [pid 298] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./114" [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./115", 0777 [pid 298] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... openat resumed>) = 3 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1594 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1585] +++ exited with 0 +++ [pid 298] newfstatat(AT_FDCWD, "./112/binderfs", [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1585, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 298] unlink("./112/binderfs" [pid 299] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] <... unlink resumed>) = 0 [pid 299] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 298] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./115/binderfs") = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./115") = 0 [pid 298] close(3 [pid 299] mkdir("./116", 0777 [pid 298] <... close resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 298] rmdir("./112" [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... rmdir resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1595 [pid 298] mkdir("./113", 0777./strace-static-x86_64: Process 1595 attached [pid 1595] set_robust_list(0x55555719e760, 24) = 0 [pid 1595] chdir("./116") = 0 [pid 298] <... mkdir resumed>) = 0 [pid 1595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1595] <... prctl resumed>) = 0 [pid 1595] setpgid(0, 0) = 0 [pid 1595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1596 [pid 1595] <... openat resumed>) = 3 [pid 1595] write(3, "1000", 4) = 4 [pid 1595] close(3) = 0 [pid 1595] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1595] write(1, "executing program\n", 18executing program ) = 18 [pid 1595] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1595] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1595] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1595] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 1596 attached [pid 1596] set_robust_list(0x55555719e760, 24) = 0 [pid 1596] chdir("./113") = 0 [pid 1596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1596] setpgid(0, 0) = 0 [pid 1596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 1594 attached [pid 1591] +++ exited with 0 +++ [pid 1586] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1586, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1596] <... openat resumed>) = 3 [pid 1596] write(3, "1000", 4 [pid 1594] set_robust_list(0x55555719e760, 24 [pid 1596] <... write resumed>) = 4 [pid 1596] close(3 [pid 295] <... restart_syscall resumed>) = 0 [pid 1594] <... set_robust_list resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 295] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... openat resumed>) = 3 [pid 297] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] newfstatat(3, "", [pid 297] <... openat resumed>) = 3 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] newfstatat(3, "", [pid 295] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] getdents64(3, [pid 295] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./104/binderfs", [pid 295] newfstatat(AT_FDCWD, "./111/binderfs", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./104/binderfs" [pid 295] unlink("./111/binderfs" [pid 1594] chdir("./115" [pid 297] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 297] getdents64(3, [pid 295] getdents64(3, [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3 [pid 295] close(3 [pid 297] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 297] rmdir("./104" [pid 295] rmdir("./111" [pid 1594] <... chdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 297] mkdir("./105", 0777 [pid 295] mkdir("./112", 0777 [pid 1594] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] <... mkdir resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1597 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1598 [pid 1596] <... close resumed>) = 0 [pid 1596] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1596] write(1, "executing program\n", 18executing program ) = 18 ./strace-static-x86_64: Process 1598 attached ./strace-static-x86_64: Process 1597 attached [pid 1594] <... prctl resumed>) = 0 [pid 1598] set_robust_list(0x55555719e760, 24 [pid 1594] setpgid(0, 0 [pid 1598] <... set_robust_list resumed>) = 0 [pid 1594] <... setpgid resumed>) = 0 [pid 1598] chdir("./112" [pid 1597] set_robust_list(0x55555719e760, 24 [pid 1596] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1597] <... set_robust_list resumed>) = 0 [pid 1596] <... bpf resumed>) = 3 [pid 1598] <... chdir resumed>) = 0 [pid 1597] chdir("./105" [pid 1596] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1594] <... openat resumed>) = 3 [pid 1597] <... chdir resumed>) = 0 [pid 1596] <... bpf resumed>) = 0 [pid 1597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1596] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1597] <... prctl resumed>) = 0 [pid 1595] <... bpf resumed>) = 5 [pid 1598] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1594] write(3, "1000", 4 [pid 1598] <... prctl resumed>) = 0 [pid 1594] <... write resumed>) = 4 [pid 1598] setpgid(0, 0 [pid 1597] setpgid(0, 0 [pid 1596] <... bpf resumed>) = 4 [pid 1595] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1594] close(3 [pid 1597] <... setpgid resumed>) = 0 [pid 1596] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1595] <... openat resumed>) = 6 [pid 1598] <... setpgid resumed>) = 0 [pid 1597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1595] ioctl(6, PPPIOCNEWUNIT [pid 1594] <... close resumed>) = 0 [pid 1596] <... bpf resumed>) = 5 [pid 1598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1597] <... openat resumed>) = 3 [pid 1594] symlink("/dev/binderfs", "./binderfs" [pid 1598] <... openat resumed>) = 3 [pid 1594] <... symlink resumed>) = 0 executing program [pid 1598] write(3, "1000", 4 [pid 1594] write(1, "executing program\n", 18 [pid 1598] <... write resumed>) = 4 [pid 1594] <... write resumed>) = 18 [pid 1598] close(3 [pid 1597] write(3, "1000", 4 [pid 1596] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1595] <... ioctl resumed>, 0x20001400) = 0 [pid 1594] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1598] <... close resumed>) = 0 [pid 1597] <... write resumed>) = 4 [pid 1596] <... openat resumed>) = 6 [pid 1595] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1594] <... bpf resumed>) = 3 [pid 1598] symlink("/dev/binderfs", "./binderfs" [pid 1597] close(3 [pid 1596] ioctl(6, PPPIOCNEWUNIT [pid 1595] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1594] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1598] <... symlink resumed>) = 0 [pid 1597] <... close resumed>) = 0 [pid 1596] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1595] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1594] <... bpf resumed>) = 0 executing program [pid 1598] write(1, "executing program\n", 18 [pid 1597] symlink("/dev/binderfs", "./binderfs" [pid 1596] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1595] <... bpf resumed>) = 7 [pid 1594] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1598] <... write resumed>) = 18 [pid 1597] <... symlink resumed>) = 0 [pid 1596] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1595] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1594] <... bpf resumed>) = 4 [pid 1598] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 1597] write(1, "executing program\n", 18 [pid 1596] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1595] <... bpf resumed>) = 0 [pid 1594] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1598] <... bpf resumed>) = 3 [pid 1597] <... write resumed>) = 18 [pid 1596] <... bpf resumed>) = 7 [pid 1595] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1594] <... bpf resumed>) = 5 [pid 1598] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1597] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1596] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1594] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1598] <... bpf resumed>) = 0 [pid 1597] <... bpf resumed>) = 3 [pid 1596] <... bpf resumed>) = 0 [pid 1595] <... bpf resumed>) = 8 [pid 1594] <... openat resumed>) = 6 [pid 1598] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1594] ioctl(6, PPPIOCNEWUNIT [pid 1598] <... bpf resumed>) = 4 [pid 1597] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1596] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1595] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1594] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1598] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1597] <... bpf resumed>) = 0 [pid 1594] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1598] <... bpf resumed>) = 5 [pid 1594] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1598] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1594] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1598] <... openat resumed>) = 6 [pid 1597] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1596] <... bpf resumed>) = 8 [pid 1595] <... bpf resumed>) = 9 [pid 1594] <... bpf resumed>) = 7 [pid 1598] ioctl(6, PPPIOCNEWUNIT [pid 1594] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1598] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1594] <... bpf resumed>) = 0 [pid 1598] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1594] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1598] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1597] <... bpf resumed>) = 4 [pid 1596] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1595] exit_group(0 [pid 1594] <... bpf resumed>) = 8 [pid 1598] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1597] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1596] <... bpf resumed>) = 9 [pid 1595] <... exit_group resumed>) = ? [pid 1594] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1598] <... bpf resumed>) = 7 [pid 1597] <... bpf resumed>) = 5 [pid 1594] <... bpf resumed>) = 9 [pid 1598] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1594] exit_group(0 [pid 1598] <... bpf resumed>) = 0 [pid 1594] <... exit_group resumed>) = ? [pid 1598] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1597] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1596] exit_group(0 [pid 1594] +++ exited with 0 +++ [pid 1598] <... bpf resumed>) = 8 [pid 1597] <... openat resumed>) = 6 [pid 1596] <... exit_group resumed>) = ? [pid 1598] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1597] ioctl(6, PPPIOCNEWUNIT [pid 1598] <... bpf resumed>) = 9 [pid 1598] exit_group(0) = ? [pid 1598] +++ exited with 0 +++ [pid 1596] +++ exited with 0 +++ [pid 296] --- 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] <... ioctl resumed>, 0x20001400) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 296] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1597] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1597] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] <... openat resumed>) = 3 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1597] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", [pid 1597] <... bpf resumed>) = 7 [pid 298] newfstatat(3, "", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1597] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1597] <... bpf resumed>) = 0 [pid 298] getdents64(3, [pid 296] getdents64(3, [pid 295] <... openat resumed>) = 3 [pid 1597] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] newfstatat(3, "", [pid 1597] <... bpf resumed>) = 8 [pid 298] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1597] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1597] exit_group(0) = ? [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] getdents64(3, [pid 298] newfstatat(AT_FDCWD, "./113/binderfs", [pid 296] newfstatat(AT_FDCWD, "./115/binderfs", [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./113/binderfs" [pid 296] unlink("./115/binderfs" [pid 295] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, [pid 296] <... unlink resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./113") = 0 [pid 298] mkdir("./114", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1606 [pid 296] getdents64(3, [pid 295] newfstatat(AT_FDCWD, "./112/binderfs", [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 1606 attached [pid 1606] set_robust_list(0x55555719e760, 24) = 0 [pid 295] unlink("./112/binderfs" [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./115" [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 296] <... rmdir resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] mkdir("./116", 0777 [pid 295] close(3) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 295] rmdir("./112" [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./113", 0777 [pid 1606] chdir("./114") = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1607 [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1606] setpgid(0, 0) = 0 [pid 1606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1608 [pid 1606] <... openat resumed>) = 3 [pid 1606] write(3, "1000", 4) = 4 [pid 1606] close(3) = 0 [pid 1606] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1606] write(1, "executing program\n", 18executing program ) = 18 [pid 1606] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1606] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1606] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1595] +++ exited with 0 +++ [pid 1606] <... bpf resumed>) = 4 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1595, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1606] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1606] <... bpf resumed>) = 5 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 1608 attached ./strace-static-x86_64: Process 1607 attached [pid 1606] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1608] set_robust_list(0x55555719e760, 24 [pid 1607] set_robust_list(0x55555719e760, 24 [pid 1606] <... openat resumed>) = 6 [pid 299] <... openat resumed>) = 3 [pid 1606] ioctl(6, PPPIOCNEWUNIT [pid 299] newfstatat(3, "", [pid 1608] <... set_robust_list resumed>) = 0 [pid 1607] <... set_robust_list resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1606] <... ioctl resumed>, 0x20001400) = 0 [pid 299] getdents64(3, [pid 1608] chdir("./113" [pid 1607] chdir("./116" [pid 1606] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1608] <... chdir resumed>) = 0 [pid 1607] <... chdir resumed>) = 0 [pid 1606] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1606] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1608] <... prctl resumed>) = 0 [pid 1607] <... prctl resumed>) = 0 [pid 1606] <... bpf resumed>) = 7 [pid 299] newfstatat(AT_FDCWD, "./116/binderfs", [pid 1608] setpgid(0, 0 [pid 1607] setpgid(0, 0 [pid 1606] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1608] <... setpgid resumed>) = 0 [pid 1607] <... setpgid resumed>) = 0 [pid 1606] <... bpf resumed>) = 0 [pid 299] unlink("./116/binderfs" [pid 1608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1606] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... unlink resumed>) = 0 [pid 1608] <... openat resumed>) = 3 [pid 1607] <... openat resumed>) = 3 [pid 1606] <... bpf resumed>) = 8 [pid 299] getdents64(3, [pid 1606] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1608] write(3, "1000", 4 [pid 1607] write(3, "1000", 4 [pid 1606] <... bpf resumed>) = 9 [pid 299] close(3 [pid 1608] <... write resumed>) = 4 [pid 1607] <... write resumed>) = 4 [pid 1606] exit_group(0 [pid 299] <... close resumed>) = 0 [pid 1608] close(3 [pid 1607] close(3 [pid 1606] <... exit_group resumed>) = ? [pid 299] rmdir("./116" [pid 1608] <... close resumed>) = 0 [pid 1607] <... close resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 1608] symlink("/dev/binderfs", "./binderfs" [pid 1607] symlink("/dev/binderfs", "./binderfs" [pid 299] mkdir("./117", 0777executing program executing program [pid 1608] <... symlink resumed>) = 0 [pid 1607] <... symlink resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 1608] write(1, "executing program\n", 18 [pid 1607] write(1, "executing program\n", 18 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1608] <... write resumed>) = 18 [pid 1607] <... write resumed>) = 18 [pid 1608] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1607] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1610 [pid 1608] <... bpf resumed>) = 3 [pid 1607] <... bpf resumed>) = 3 [pid 1608] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1607] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1608] <... bpf resumed>) = 0 [pid 1607] <... bpf resumed>) = 0 [pid 1608] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1607] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 1610 attached [pid 1608] <... bpf resumed>) = 4 [pid 1610] set_robust_list(0x55555719e760, 24 [pid 1608] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1607] <... bpf resumed>) = 4 [pid 1610] <... set_robust_list resumed>) = 0 [pid 1608] <... bpf resumed>) = 5 [pid 1607] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1610] chdir("./117" [pid 1608] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1607] <... bpf resumed>) = 5 [pid 1610] <... chdir resumed>) = 0 [pid 1608] <... openat resumed>) = 6 [pid 1607] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1597] +++ exited with 0 +++ [pid 1610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1608] ioctl(6, PPPIOCNEWUNIT [pid 1607] <... openat resumed>) = 6 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1597, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 1610] <... prctl resumed>) = 0 [pid 1608] <... ioctl resumed>, 0x20001400) = 0 [pid 1607] ioctl(6, PPPIOCNEWUNIT [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 1610] setpgid(0, 0 [pid 1608] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1607] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 297] <... restart_syscall resumed>) = 0 [pid 1610] <... setpgid resumed>) = 0 [pid 1608] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1607] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1608] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1607] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1610] <... openat resumed>) = 3 [pid 1608] <... bpf resumed>) = 7 [pid 1607] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1610] write(3, "1000", 4 [pid 1608] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1607] <... bpf resumed>) = 7 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1610] <... write resumed>) = 4 [pid 1608] <... bpf resumed>) = 0 [pid 1607] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1610] close(3 [pid 1608] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1607] <... bpf resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 1610] <... close resumed>) = 0 [pid 1608] <... bpf resumed>) = 8 [pid 1607] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] newfstatat(3, "", [pid 1610] symlink("/dev/binderfs", "./binderfs" [pid 1608] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1607] <... bpf resumed>) = 8 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1610] <... symlink resumed>) = 0 [pid 1608] <... bpf resumed>) = 9 [pid 1607] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] getdents64(3, executing program [pid 1610] write(1, "executing program\n", 18 [pid 1608] exit_group(0 [pid 1607] <... bpf resumed>) = 9 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1610] <... write resumed>) = 18 [pid 1608] <... exit_group resumed>) = ? [pid 1607] exit_group(0 [pid 297] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1610] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1607] <... exit_group resumed>) = ? [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1610] <... bpf resumed>) = 3 [pid 1607] +++ exited with 0 +++ [pid 297] newfstatat(AT_FDCWD, "./105/binderfs", [pid 1610] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1610] <... bpf resumed>) = 0 [pid 297] unlink("./105/binderfs" [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1610] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... unlink resumed>) = 0 [pid 296] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1610] <... bpf resumed>) = 4 [pid 297] getdents64(3, [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1610] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1610] <... bpf resumed>) = 5 [pid 297] close(3 [pid 296] <... openat resumed>) = 3 [pid 1610] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 297] <... close resumed>) = 0 [pid 296] newfstatat(3, "", [pid 1610] <... openat resumed>) = 6 [pid 297] rmdir("./105" [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1610] ioctl(6, PPPIOCNEWUNIT [pid 297] <... rmdir resumed>) = 0 [pid 296] getdents64(3, [pid 1610] <... ioctl resumed>, 0x20001400) = 0 [pid 297] mkdir("./106", 0777 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1610] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] <... mkdir resumed>) = 0 [pid 296] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1610] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1610] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] newfstatat(AT_FDCWD, "./116/binderfs", [pid 1610] <... bpf resumed>) = 7 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1612 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1610] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] unlink("./116/binderfs" [pid 1610] <... bpf resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 1610] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] getdents64(3, [pid 1610] <... bpf resumed>) = 8 [pid 1606] +++ exited with 0 +++ [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1610] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] close(3 [pid 1610] <... bpf resumed>) = 9 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... close resumed>) = 0 [pid 1610] exit_group(0 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 296] rmdir("./116" [pid 1610] <... exit_group resumed>) = ? [pid 296] <... rmdir resumed>) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 296] mkdir("./117", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1613 ./strace-static-x86_64: Process 1613 attached [pid 1613] set_robust_list(0x55555719e760, 24) = 0 [pid 1613] chdir("./117" [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1613] <... chdir resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 1613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] newfstatat(3, "", [pid 1613] <... prctl resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 1613] setpgid(0, 0) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./114/binderfs" [pid 1613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 1613] <... openat resumed>) = 3 [pid 298] rmdir("./114" [pid 1613] write(3, "1000", 4) = 4 [pid 1613] close(3) = 0 [pid 1613] symlink("/dev/binderfs", "./binderfs" [pid 298] <... rmdir resumed>) = 0 executing program [pid 298] mkdir("./115", 0777 [pid 1613] <... symlink resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1613] write(1, "executing program\n", 18) = 18 [pid 1613] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1614 [pid 1613] <... bpf resumed>) = 3 [pid 1613] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1613] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1613] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1613] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1613] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1612 attached [pid 1612] set_robust_list(0x55555719e760, 24./strace-static-x86_64: Process 1614 attached [pid 1614] set_robust_list(0x55555719e760, 24 [pid 1612] <... set_robust_list resumed>) = 0 [pid 1614] <... set_robust_list resumed>) = 0 [pid 1614] chdir("./115") = 0 [pid 1614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1614] setpgid(0, 0) = 0 [pid 1614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1612] chdir("./106" [pid 1614] <... openat resumed>) = 3 [pid 1614] write(3, "1000", 4) = 4 [pid 1614] close(3) = 0 [pid 1614] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1612] <... chdir resumed>) = 0 executing program [pid 1614] write(1, "executing program\n", 18) = 18 [pid 1614] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1614] <... bpf resumed>) = 3 [pid 1614] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1614] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1612] <... prctl resumed>) = 0 [pid 1612] setpgid(0, 0 [pid 1614] <... bpf resumed>) = 4 [pid 1612] <... setpgid resumed>) = 0 [pid 1614] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1614] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1614] ioctl(6, PPPIOCNEWUNIT [pid 1613] <... ioctl resumed>, 0x20001400) = 0 [pid 1613] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1613] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1613] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1613] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1613] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1613] exit_group(0) = ? [pid 1612] <... openat resumed>) = 3 [pid 1612] write(3, "1000", 4) = 4 [pid 1612] close(3) = 0 [pid 1612] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1612] write(1, "executing program\n", 18executing program ) = 18 [pid 1612] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1612] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1612] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1612] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1612] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1612] ioctl(6, PPPIOCNEWUNIT [pid 1614] <... ioctl resumed>, 0x20001400) = 0 [pid 1612] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1614] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1612] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1614] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1612] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1614] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1612] <... bpf resumed>) = 7 [pid 1614] <... bpf resumed>) = 7 [pid 1612] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1614] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1612] <... bpf resumed>) = 0 [pid 1614] <... bpf resumed>) = 0 [pid 1612] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1614] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1612] <... bpf resumed>) = 8 [pid 1612] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1614] <... bpf resumed>) = 8 [pid 1612] <... bpf resumed>) = 9 [pid 1614] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1612] exit_group(0 [pid 1614] <... bpf resumed>) = 9 [pid 1612] <... exit_group resumed>) = ? [pid 1614] exit_group(0 [pid 1612] +++ exited with 0 +++ [pid 1614] <... exit_group resumed>) = ? [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 1608] +++ exited with 0 +++ [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] newfstatat(AT_FDCWD, "./106/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] unlink("./106/binderfs" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... unlink resumed>) = 0 [pid 295] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... openat resumed>) = 3 [pid 297] close(3 [pid 295] newfstatat(3, "", [pid 297] <... close resumed>) = 0 [pid 297] rmdir("./106" [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./107", 0777 [pid 295] getdents64(3, [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1620 [pid 295] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 1620 attached [pid 1620] set_robust_list(0x55555719e760, 24) = 0 [pid 295] unlink("./113/binderfs" [pid 1620] chdir("./107") = 0 [pid 1620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./113" [pid 1620] <... prctl resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 295] mkdir("./114", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1620] setpgid(0, 0) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1622 [pid 1620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1620] write(3, "1000", 4) = 4 [pid 1620] close(3) = 0 [pid 1620] symlink("/dev/binderfs", "./binderfs" [pid 1613] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1613, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 1622 attached [pid 1622] set_robust_list(0x55555719e760, 24) = 0 [pid 1622] chdir("./114") = 0 [pid 1622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1622] setpgid(0, 0) = 0 [pid 1622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1622] <... openat resumed>) = 3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1622] write(3, "1000", 4 [pid 296] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1622] <... write resumed>) = 4 [pid 296] <... openat resumed>) = 3 [pid 1622] close(3 [pid 296] newfstatat(3, "", [pid 1622] <... close resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1622] symlink("/dev/binderfs", "./binderfs"executing program [pid 296] getdents64(3, [pid 1622] <... symlink resumed>) = 0 [pid 1622] write(1, "executing program\n", 18 [pid 1620] <... symlink resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1622] <... write resumed>) = 18 [pid 1620] write(1, "executing program\n", 18executing program [pid 296] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1622] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1620] <... write resumed>) = 18 [pid 1622] <... bpf resumed>) = 3 [pid 1620] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1622] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1620] <... bpf resumed>) = 3 [pid 296] newfstatat(AT_FDCWD, "./117/binderfs", [pid 1622] <... bpf resumed>) = 0 [pid 1620] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1622] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1620] <... bpf resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1620] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1622] <... bpf resumed>) = 4 [pid 1620] <... bpf resumed>) = 4 [pid 296] unlink("./117/binderfs" [pid 1622] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1620] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./117") = 0 [pid 296] mkdir("./118", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1610] +++ exited with 0 +++ ./strace-static-x86_64: Process 1625 attached [pid 1622] <... bpf resumed>) = 5 [pid 1620] <... bpf resumed>) = 5 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1625 [pid 1620] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 1620] <... openat resumed>) = 6 [pid 299] <... restart_syscall resumed>) = 0 [pid 1620] ioctl(6, PPPIOCNEWUNIT [pid 1625] set_robust_list(0x55555719e760, 24 [pid 1622] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1625] <... set_robust_list resumed>) = 0 [pid 1622] <... openat resumed>) = 6 [pid 299] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1625] chdir("./118" [pid 1622] ioctl(6, PPPIOCNEWUNIT [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1625] <... chdir resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./117/binderfs", [pid 1625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1625] <... prctl resumed>) = 0 [pid 299] unlink("./117/binderfs" [pid 1625] setpgid(0, 0 [pid 299] <... unlink resumed>) = 0 [pid 1625] <... setpgid resumed>) = 0 [pid 299] getdents64(3, [pid 1625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1625] <... openat resumed>) = 3 [pid 1620] <... ioctl resumed>, 0x20001400) = 0 [pid 299] close(3 [pid 1625] write(3, "1000", 4 [pid 1622] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1620] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] <... close resumed>) = 0 [pid 1625] <... write resumed>) = 4 [pid 1622] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1620] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] rmdir("./117" [pid 1625] close(3 [pid 1622] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1620] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... rmdir resumed>) = 0 [pid 1625] <... close resumed>) = 0 [pid 1622] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1620] <... bpf resumed>) = 7 [pid 299] mkdir("./118", 0777 [pid 1625] symlink("/dev/binderfs", "./binderfs" [pid 1622] <... bpf resumed>) = 7 [pid 1620] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... mkdir resumed>) = 0 [pid 1625] <... symlink resumed>) = 0 [pid 1622] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1620] <... bpf resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 1625] write(1, "executing program\n", 18 [pid 1622] <... bpf resumed>) = 0 [pid 1620] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1625] <... write resumed>) = 18 [pid 1622] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1620] <... bpf resumed>) = 8 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1628 [pid 1625] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1620] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16./strace-static-x86_64: Process 1628 attached [pid 1625] <... bpf resumed>) = 3 [pid 1622] <... bpf resumed>) = 8 [pid 1620] <... bpf resumed>) = 9 [pid 1628] set_robust_list(0x55555719e760, 24 [pid 1625] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1622] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1620] exit_group(0 [pid 1628] <... set_robust_list resumed>) = 0 [pid 1625] <... bpf resumed>) = 0 [pid 1622] <... bpf resumed>) = 9 [pid 1620] <... exit_group resumed>) = ? [pid 1628] chdir("./118" [pid 1625] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1622] exit_group(0 [pid 1628] <... chdir resumed>) = 0 [pid 1628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1625] <... bpf resumed>) = 4 [pid 1622] <... exit_group resumed>) = ? [pid 1628] <... prctl resumed>) = 0 [pid 1625] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1628] setpgid(0, 0 [pid 1625] <... bpf resumed>) = 5 [pid 1622] +++ exited with 0 +++ [pid 1628] <... setpgid resumed>) = 0 [pid 1625] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1625] <... openat resumed>) = 6 [pid 1628] <... openat resumed>) = 3 [pid 1625] ioctl(6, PPPIOCNEWUNIT [pid 1628] write(3, "1000", 4 [pid 1625] <... ioctl resumed>, 0x20001400) = 0 [pid 1628] <... write resumed>) = 4 [pid 1625] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1628] close(3 [pid 1625] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1628] <... close resumed>) = 0 [pid 1625] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1628] symlink("/dev/binderfs", "./binderfs" [pid 1625] <... bpf resumed>) = 7 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1628] <... symlink resumed>) = 0 [pid 1625] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 1628] write(1, "executing program\n", 18 [pid 1625] <... bpf resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 1628] <... write resumed>) = 18 [pid 1625] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] newfstatat(3, "", [pid 1628] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1625] <... bpf resumed>) = 8 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1628] <... bpf resumed>) = 3 [pid 1625] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] getdents64(3, [pid 1628] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1625] <... bpf resumed>) = 9 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1628] <... bpf resumed>) = 0 [pid 1625] exit_group(0 [pid 295] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1628] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1625] <... exit_group resumed>) = ? [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1628] <... bpf resumed>) = 4 [pid 295] newfstatat(AT_FDCWD, "./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./114/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1614] +++ exited with 0 +++ [pid 295] close(3 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... close resumed>) = 0 [pid 1628] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 295] rmdir("./114" [pid 1628] <... bpf resumed>) = 5 [pid 298] <... restart_syscall resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 1628] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] mkdir("./115", 0777 [pid 1628] <... openat resumed>) = 6 [pid 295] <... mkdir resumed>) = 0 [pid 1628] ioctl(6, PPPIOCNEWUNIT [pid 298] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1631 [pid 298] <... openat resumed>) = 3 [pid 1628] <... ioctl resumed>, 0x20001400) = 0 [pid 1628] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] newfstatat(3, "", [pid 1628] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1628] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./115/binderfs") = 0 [pid 298] getdents64(3, [pid 1628] <... bpf resumed>) = 7 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 1628] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] rmdir("./115"./strace-static-x86_64: Process 1631 attached [pid 1628] <... bpf resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 1631] set_robust_list(0x55555719e760, 24 [pid 1628] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] mkdir("./116", 0777 [pid 1631] <... set_robust_list resumed>) = 0 [pid 1628] <... bpf resumed>) = 8 [pid 298] <... mkdir resumed>) = 0 [pid 1631] chdir("./115" [pid 1628] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1631] <... chdir resumed>) = 0 [pid 1628] <... bpf resumed>) = 9 [pid 1631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1628] exit_group(0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1633 [pid 1631] <... prctl resumed>) = 0 [pid 1628] <... exit_group resumed>) = ? [pid 1631] setpgid(0, 0./strace-static-x86_64: Process 1633 attached ) = 0 [pid 1633] set_robust_list(0x55555719e760, 24) = 0 [pid 1631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1633] chdir("./116") = 0 [pid 1633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1631] <... openat resumed>) = 3 [pid 1631] write(3, "1000", 4) = 4 [pid 1631] close(3) = 0 [pid 1631] symlink("/dev/binderfs", "./binderfs" [pid 1633] setpgid(0, 0 [pid 1631] <... symlink resumed>) = 0 executing program [pid 1631] write(1, "executing program\n", 18) = 18 [pid 1633] <... setpgid resumed>) = 0 [pid 1631] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1631] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1631] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1631] <... bpf resumed>) = 4 [pid 1631] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1631] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1631] ioctl(6, PPPIOCNEWUNIT [pid 1633] <... openat resumed>) = 3 [pid 1633] write(3, "1000", 4) = 4 [pid 1633] close(3) = 0 [pid 1633] symlink("/dev/binderfs", "./binderfs" [pid 1631] <... ioctl resumed>, 0x20001400) = 0 [pid 1633] <... symlink resumed>) = 0 [pid 1631] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1633] write(1, "executing program\n", 18 [pid 1631] <... bpf resumed>) = -1 EFAULT (Bad address) executing program [pid 1633] <... write resumed>) = 18 [pid 1631] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1633] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1631] <... bpf resumed>) = 7 [pid 1633] <... bpf resumed>) = 3 [pid 1631] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1633] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1631] <... bpf resumed>) = 0 [pid 1633] <... bpf resumed>) = 0 [pid 1631] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1633] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1631] <... bpf resumed>) = 8 [pid 1633] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1631] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1633] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1631] <... bpf resumed>) = 9 [pid 1633] <... openat resumed>) = 6 [pid 1631] exit_group(0) = ? [pid 1633] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1633] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1633] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1633] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1633] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1633] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1633] exit_group(0) = ? [pid 1633] +++ exited with 0 +++ [pid 1625] +++ exited with 0 +++ [pid 1620] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1633, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1625, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... openat resumed>) = 3 [pid 297] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", [pid 297] newfstatat(3, "", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] getdents64(3, [pid 297] getdents64(3, [pid 296] <... openat resumed>) = 3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] newfstatat(3, "", [pid 298] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] newfstatat(AT_FDCWD, "./116/binderfs", [pid 297] newfstatat(AT_FDCWD, "./107/binderfs", [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] getdents64(3, [pid 298] unlink("./116/binderfs" [pid 297] unlink("./107/binderfs" [pid 298] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 298] getdents64(3, [pid 297] getdents64(3, [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 297] close(3 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 298] rmdir("./116" [pid 297] rmdir("./107" [pid 296] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... rmdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 298] mkdir("./117", 0777 [pid 297] mkdir("./108", 0777 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... mkdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 296] newfstatat(AT_FDCWD, "./118/binderfs", [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./118/binderfs" [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1639 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1640 [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./118"./strace-static-x86_64: Process 1640 attached [pid 1640] set_robust_list(0x55555719e760, 24 [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./119", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1640] <... set_robust_list resumed>) = 0 [pid 1640] chdir("./108" [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1641 [pid 1640] <... chdir resumed>) = 0 [pid 1640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1640] setpgid(0, 0) = 0 [pid 1640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1640] write(3, "1000", 4) = 4 [pid 1640] close(3) = 0 ./strace-static-x86_64: Process 1639 attached [pid 1639] set_robust_list(0x55555719e760, 24) = 0 [pid 1639] chdir("./117") = 0 [pid 1639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1639] setpgid(0, 0) = 0 [pid 1640] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 1640] write(1, "executing program\n", 18 [pid 1639] <... openat resumed>) = 3 [pid 1639] write(3, "1000", 4 [pid 1640] <... write resumed>) = 18 [pid 1639] <... write resumed>) = 4 [pid 1640] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1639] close(3 [pid 1640] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1639] <... close resumed>) = 0 [pid 1640] <... bpf resumed>) = 0 [pid 1639] symlink("/dev/binderfs", "./binderfs"executing program [pid 1640] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1639] <... symlink resumed>) = 0 [pid 1639] write(1, "executing program\n", 18) = 18 [pid 1640] <... bpf resumed>) = 4 [pid 1639] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1640] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1639] <... bpf resumed>) = 3 [pid 1639] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1639] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 1641 attached [pid 1641] set_robust_list(0x55555719e760, 24 [pid 1639] <... bpf resumed>) = 4 [pid 1639] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1641] <... set_robust_list resumed>) = 0 [pid 1641] chdir("./119") = 0 [pid 1641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1641] setpgid(0, 0) = 0 [pid 1641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1641] write(3, "1000", 4) = 4 [pid 1641] close(3) = 0 [pid 1631] +++ exited with 0 +++ [pid 1628] +++ exited with 0 +++ [pid 1641] symlink("/dev/binderfs", "./binderfs" [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1628, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1631, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1641] <... symlink resumed>) = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 295] restart_syscall(<... resuming interrupted clone ...>executing program [pid 1641] write(1, "executing program\n", 18 [pid 299] <... restart_syscall resumed>) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 1641] <... write resumed>) = 18 [pid 1641] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 299] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1641] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1641] <... bpf resumed>) = 0 [pid 299] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1641] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 1641] <... bpf resumed>) = 4 [pid 299] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 1641] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 295] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./118/binderfs", [pid 295] newfstatat(AT_FDCWD, "./115/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./118/binderfs" [pid 295] unlink("./115/binderfs" [pid 299] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 295] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 295] close(3 [pid 299] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 299] rmdir("./118" [pid 295] rmdir("./115" [pid 299] <... rmdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 299] mkdir("./119", 0777 [pid 295] mkdir("./116", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1647 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1648 ./strace-static-x86_64: Process 1647 attached [pid 1647] set_robust_list(0x55555719e760, 24) = 0 [pid 1647] chdir("./119") = 0 [pid 1647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 1648 attached [pid 1647] setpgid(0, 0) = 0 [pid 1648] set_robust_list(0x55555719e760, 24 [pid 1647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1648] <... set_robust_list resumed>) = 0 [pid 1648] chdir("./116") = 0 [pid 1648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1648] setpgid(0, 0) = 0 [pid 1648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1648] write(3, "1000", 4) = 4 [pid 1648] close(3) = 0 [pid 1648] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1647] <... openat resumed>) = 3 [pid 1648] write(1, "executing program\n", 18) = 18 [pid 1648] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1648] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1640] <... bpf resumed>) = 5 [pid 1641] <... bpf resumed>) = 5 [pid 1639] <... bpf resumed>) = 5 [pid 1648] <... bpf resumed>) = 0 [pid 1647] write(3, "1000", 4 [pid 1641] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1640] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1639] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1648] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1647] <... write resumed>) = 4 [pid 1641] <... openat resumed>) = 6 [pid 1640] <... openat resumed>) = 6 [pid 1639] <... openat resumed>) = 6 [pid 1648] <... bpf resumed>) = 4 [pid 1647] close(3 [pid 1641] ioctl(6, PPPIOCNEWUNIT [pid 1640] ioctl(6, PPPIOCNEWUNIT [pid 1639] ioctl(6, PPPIOCNEWUNIT [pid 1648] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1647] <... close resumed>) = 0 [pid 1641] <... ioctl resumed>, 0x20001400) = 0 [pid 1640] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1639] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1648] <... bpf resumed>) = 5 [pid 1647] symlink("/dev/binderfs", "./binderfs" [pid 1641] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1640] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1639] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1648] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1647] <... symlink resumed>) = 0 [pid 1641] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1640] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1639] <... bpf resumed>) = -1 EFAULT (Bad address) executing program [pid 1648] <... openat resumed>) = 6 [pid 1647] write(1, "executing program\n", 18 [pid 1641] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1640] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1639] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1648] ioctl(6, PPPIOCNEWUNIT [pid 1647] <... write resumed>) = 18 [pid 1641] <... bpf resumed>) = 7 [pid 1640] <... bpf resumed>) = 7 [pid 1639] <... bpf resumed>) = 7 [pid 1648] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1647] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1641] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1640] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1639] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1648] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1647] <... bpf resumed>) = 3 [pid 1641] <... bpf resumed>) = 0 [pid 1640] <... bpf resumed>) = 0 [pid 1639] <... bpf resumed>) = 0 [pid 1648] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1647] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1641] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1640] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1639] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1648] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1647] <... bpf resumed>) = 0 [pid 1641] <... bpf resumed>) = 8 [pid 1640] <... bpf resumed>) = 8 [pid 1647] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1641] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1640] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1648] <... bpf resumed>) = 7 [pid 1647] <... bpf resumed>) = 4 [pid 1641] <... bpf resumed>) = 9 [pid 1640] <... bpf resumed>) = 9 [pid 1639] <... bpf resumed>) = 8 [pid 1648] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1647] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1641] exit_group(0 [pid 1640] exit_group(0 [pid 1648] <... bpf resumed>) = 0 [pid 1647] <... bpf resumed>) = 5 [pid 1641] <... exit_group resumed>) = ? [pid 1640] <... exit_group resumed>) = ? [pid 1639] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1648] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1647] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1639] <... bpf resumed>) = 9 [pid 1647] <... openat resumed>) = 6 [pid 1640] +++ exited with 0 +++ [pid 1647] ioctl(6, PPPIOCNEWUNIT [pid 1648] <... bpf resumed>) = 8 [pid 1647] <... ioctl resumed>, 0x20001400) = 0 [pid 1639] exit_group(0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1640, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1648] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1647] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1639] <... exit_group resumed>) = ? [pid 1648] <... bpf resumed>) = 9 [pid 1647] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1639] +++ exited with 0 +++ [pid 297] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1648] exit_group(0 [pid 1647] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1648] <... exit_group resumed>) = ? [pid 1647] <... bpf resumed>) = 7 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1639, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1647] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 297] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1648] +++ exited with 0 +++ [pid 1647] <... bpf resumed>) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 1647] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] newfstatat(3, "", [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, [pid 298] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... openat resumed>) = 3 [pid 297] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] newfstatat(3, "", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... openat resumed>) = 3 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] newfstatat(AT_FDCWD, "./108/binderfs", [pid 295] newfstatat(3, "", [pid 298] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] unlink("./108/binderfs" [pid 298] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 297] <... unlink resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, [pid 298] newfstatat(AT_FDCWD, "./117/binderfs", [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] close(3 [pid 298] unlink("./117/binderfs" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... close resumed>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 297] rmdir("./108" [pid 298] getdents64(3, [pid 295] newfstatat(AT_FDCWD, "./116/binderfs", [pid 1647] <... bpf resumed>) = 8 [pid 297] <... rmdir resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1647] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] mkdir("./109", 0777 [pid 295] unlink("./116/binderfs" [pid 298] close(3 [pid 297] <... mkdir resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 295] getdents64(3, [pid 1647] <... bpf resumed>) = 9 [pid 298] rmdir("./117" [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 295] close(3) = 0 [pid 298] mkdir("./118", 0777 [pid 1647] exit_group(0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1652 [pid 295] rmdir("./116" [pid 298] <... mkdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] mkdir("./117", 0777 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1653 [pid 1647] <... exit_group resumed>) = ? [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1654 ./strace-static-x86_64: Process 1652 attached [pid 1652] set_robust_list(0x55555719e760, 24) = 0 [pid 1652] chdir("./109") = 0 [pid 1652] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 1653 attached ) = 0 [pid 1652] setpgid(0, 0) = 0 [pid 1653] set_robust_list(0x55555719e760, 24./strace-static-x86_64: Process 1654 attached ) = 0 [pid 1654] set_robust_list(0x55555719e760, 24 [pid 1653] chdir("./118" [pid 1652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1653] <... chdir resumed>) = 0 [pid 1654] <... set_robust_list resumed>) = 0 [pid 1652] <... openat resumed>) = 3 [pid 1653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1654] chdir("./117" [pid 1653] <... prctl resumed>) = 0 [pid 1654] <... chdir resumed>) = 0 [pid 1652] write(3, "1000", 4 [pid 1653] setpgid(0, 0 [pid 1654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1652] <... write resumed>) = 4 [pid 1653] <... setpgid resumed>) = 0 [pid 1653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1653] write(3, "1000", 4 [pid 1654] <... prctl resumed>) = 0 [pid 1652] close(3 [pid 1654] setpgid(0, 0 [pid 1653] <... write resumed>) = 4 [pid 1654] <... setpgid resumed>) = 0 [pid 1652] <... close resumed>) = 0 [pid 1654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1652] symlink("/dev/binderfs", "./binderfs" [pid 1654] <... openat resumed>) = 3 [pid 1653] close(3 [pid 1654] write(3, "1000", 4 [pid 1652] <... symlink resumed>) = 0 [pid 1653] <... close resumed>) = 0 [pid 1653] symlink("/dev/binderfs", "./binderfs") = 0 executing program executing program [pid 1654] <... write resumed>) = 4 [pid 1652] write(1, "executing program\n", 18 [pid 1654] close(3 [pid 1652] <... write resumed>) = 18 [pid 1654] <... close resumed>) = 0 [pid 1654] symlink("/dev/binderfs", "./binderfs" [pid 1652] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1654] <... symlink resumed>) = 0 [pid 1653] write(1, "executing program\n", 18 [pid 1654] write(1, "executing program\n", 18 [pid 1652] <... bpf resumed>) = 3 [pid 1653] <... write resumed>) = 18 [pid 1653] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1653] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4executing program [pid 1654] <... write resumed>) = 18 [pid 1652] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1654] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1652] <... bpf resumed>) = 0 [pid 1652] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1654] <... bpf resumed>) = 3 [pid 1653] <... bpf resumed>) = 0 [pid 1653] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1654] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1653] <... bpf resumed>) = 4 [pid 1652] <... bpf resumed>) = 4 [pid 1654] <... bpf resumed>) = 0 [pid 1654] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1653] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1652] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1654] <... bpf resumed>) = 4 [pid 1654] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1641] +++ exited with 0 +++ [pid 1653] <... bpf resumed>) = 5 [pid 1654] <... bpf resumed>) = 5 [pid 1652] <... bpf resumed>) = 5 [pid 1653] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1654] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1653] <... openat resumed>) = 6 [pid 1652] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1654] <... openat resumed>) = 6 [pid 1653] ioctl(6, PPPIOCNEWUNIT [pid 1652] <... openat resumed>) = 6 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 1654] ioctl(6, PPPIOCNEWUNIT [pid 296] <... restart_syscall resumed>) = 0 [pid 1654] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1653] <... ioctl resumed>, 0x20001400) = 0 [pid 1652] ioctl(6, PPPIOCNEWUNIT [pid 1654] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1653] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1652] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1654] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1653] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1652] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1654] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1653] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1652] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1654] <... bpf resumed>) = 7 [pid 1653] <... bpf resumed>) = 7 [pid 1652] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1654] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1653] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1652] <... bpf resumed>) = 7 [pid 1654] <... bpf resumed>) = 0 [pid 1653] <... bpf resumed>) = 0 [pid 1652] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1654] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1653] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1652] <... bpf resumed>) = 0 [pid 296] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1654] <... bpf resumed>) = 8 [pid 1654] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1653] <... bpf resumed>) = 8 [pid 1652] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... openat resumed>) = 3 [pid 1654] <... bpf resumed>) = 9 [pid 1654] exit_group(0) = ? [pid 1654] +++ exited with 0 +++ [pid 1653] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1652] <... bpf resumed>) = 8 [pid 296] newfstatat(3, "", [pid 1653] <... bpf resumed>) = 9 [pid 1652] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1654, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1653] exit_group(0 [pid 1652] <... bpf resumed>) = 9 [pid 296] getdents64(3, [pid 1653] <... exit_group resumed>) = ? [pid 1652] exit_group(0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1652] <... exit_group resumed>) = ? [pid 296] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1652] +++ exited with 0 +++ [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... openat resumed>) = 3 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1652, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] newfstatat(AT_FDCWD, "./119/binderfs", [pid 295] newfstatat(3, "", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] unlink("./119/binderfs" [pid 295] getdents64(3, [pid 296] <... unlink resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] getdents64(3, [pid 295] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] close(3 [pid 295] newfstatat(AT_FDCWD, "./117/binderfs", [pid 296] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] rmdir("./119" [pid 295] unlink("./117/binderfs" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... unlink resumed>) = 0 [pid 1647] +++ exited with 0 +++ [pid 297] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... rmdir resumed>) = 0 [pid 295] getdents64(3, [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... openat resumed>) = 3 [pid 296] mkdir("./120", 0777 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] newfstatat(3, "", [pid 295] close(3 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 299] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] getdents64(3, [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] rmdir("./117" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... rmdir resumed>) = 0 [pid 299] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] mkdir("./118", 0777./strace-static-x86_64: Process 1659 attached [pid 299] <... openat resumed>) = 3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... mkdir resumed>) = 0 [pid 1659] set_robust_list(0x55555719e760, 24 [pid 299] newfstatat(3, "", [pid 297] newfstatat(AT_FDCWD, "./109/binderfs", [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1659 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1659] <... set_robust_list resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1659] chdir("./120" [pid 299] getdents64(3, [pid 297] unlink("./109/binderfs" [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1662 [pid 1659] <... chdir resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... unlink resumed>) = 0 [pid 1659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] getdents64(3, [pid 1659] <... prctl resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1659] setpgid(0, 0 [pid 299] newfstatat(AT_FDCWD, "./119/binderfs", [pid 297] close(3 [pid 1659] <... setpgid resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... close resumed>) = 0 [pid 1659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] unlink("./119/binderfs" [pid 297] rmdir("./109" [pid 1659] <... openat resumed>) = 3 [pid 299] <... unlink resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 1662 attached [pid 1659] write(3, "1000", 4 [pid 299] getdents64(3, [pid 297] mkdir("./110", 0777 [pid 1662] set_robust_list(0x55555719e760, 24 [pid 1659] <... write resumed>) = 4 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 1662] <... set_robust_list resumed>) = 0 [pid 1659] close(3 [pid 299] close(3 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1662] chdir("./118" [pid 1659] <... close resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 1662] <... chdir resumed>) = 0 [pid 1659] symlink("/dev/binderfs", "./binderfs" [pid 299] rmdir("./119" [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1663 [pid 1662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1659] <... symlink resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 executing program [pid 1662] <... prctl resumed>) = 0 [pid 1659] write(1, "executing program\n", 18 [pid 299] mkdir("./120", 0777 [pid 1662] setpgid(0, 0 [pid 1659] <... write resumed>) = 18 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1659] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1664 [pid 1659] <... bpf resumed>) = 3 [pid 1662] <... setpgid resumed>) = 0 [pid 1659] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 1663 attached [pid 1659] <... bpf resumed>) = 0 ./strace-static-x86_64: Process 1664 attached [pid 1662] <... openat resumed>) = 3 [pid 1663] set_robust_list(0x55555719e760, 24 [pid 1659] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1664] set_robust_list(0x55555719e760, 24 [pid 1663] <... set_robust_list resumed>) = 0 [pid 1662] write(3, "1000", 4) = 4 [pid 1659] <... bpf resumed>) = 4 [pid 1664] <... set_robust_list resumed>) = 0 [pid 1663] chdir("./110" [pid 1662] close(3 [pid 1659] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1663] <... chdir resumed>) = 0 [pid 1662] <... close resumed>) = 0 [pid 1659] <... bpf resumed>) = 5 [pid 1664] chdir("./120" [pid 1663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1662] symlink("/dev/binderfs", "./binderfs" [pid 1659] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1664] <... chdir resumed>) = 0 [pid 1663] <... prctl resumed>) = 0 [pid 1664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1662] <... symlink resumed>) = 0 [pid 1659] <... openat resumed>) = 6 [pid 1663] setpgid(0, 0 [pid 1664] <... prctl resumed>) = 0 [pid 1663] <... setpgid resumed>) = 0 [pid 1662] write(1, "executing program\n", 18 [pid 1659] ioctl(6, PPPIOCNEWUNIT [pid 1664] setpgid(0, 0executing program [pid 1663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1662] <... write resumed>) = 18 [pid 1664] <... setpgid resumed>) = 0 [pid 1663] <... openat resumed>) = 3 [pid 1662] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1659] <... ioctl resumed>, 0x20001400) = 0 [pid 1664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1663] write(3, "1000", 4 [pid 1662] <... bpf resumed>) = 3 [pid 1659] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1664] <... openat resumed>) = 3 [pid 1663] <... write resumed>) = 4 [pid 1662] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1659] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1663] close(3 [pid 1664] write(3, "1000", 4 [pid 1662] <... bpf resumed>) = 0 [pid 1659] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1664] <... write resumed>) = 4 [pid 1663] <... close resumed>) = 0 [pid 1662] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1664] close(3 [pid 1663] symlink("/dev/binderfs", "./binderfs" [pid 1659] <... bpf resumed>) = 7 [pid 1664] <... close resumed>) = 0 [pid 1662] <... bpf resumed>) = 4 [pid 1663] <... symlink resumed>) = 0 [pid 1664] symlink("/dev/binderfs", "./binderfs" [pid 1663] write(1, "executing program\n", 18 [pid 1662] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1659] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4executing program executing program [pid 1664] <... symlink resumed>) = 0 [pid 1663] <... write resumed>) = 18 [pid 1662] <... bpf resumed>) = 5 [pid 1659] <... bpf resumed>) = 0 [pid 1664] write(1, "executing program\n", 18 [pid 1663] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1664] <... write resumed>) = 18 [pid 1662] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1659] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1664] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1663] <... bpf resumed>) = 3 [pid 1662] <... openat resumed>) = 6 [pid 1664] <... bpf resumed>) = 3 [pid 1663] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1662] ioctl(6, PPPIOCNEWUNIT [pid 1659] <... bpf resumed>) = 8 [pid 1664] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1663] <... bpf resumed>) = 0 [pid 1662] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1659] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1664] <... bpf resumed>) = 0 [pid 1663] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1662] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1659] <... bpf resumed>) = 9 [pid 1664] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1663] <... bpf resumed>) = 4 [pid 1662] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1664] <... bpf resumed>) = 4 [pid 1663] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1662] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1659] exit_group(0 [pid 1664] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1663] <... bpf resumed>) = 5 [pid 1662] <... bpf resumed>) = 7 [pid 1659] <... exit_group resumed>) = ? [pid 1664] <... bpf resumed>) = 5 [pid 1663] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1662] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1664] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1663] <... openat resumed>) = 6 [pid 1662] <... bpf resumed>) = 0 [pid 1664] <... openat resumed>) = 6 [pid 1663] ioctl(6, PPPIOCNEWUNIT [pid 1662] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1664] ioctl(6, PPPIOCNEWUNIT [pid 1662] <... bpf resumed>) = 8 [pid 1662] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1664] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1663] <... ioctl resumed>, 0x20001400) = 0 [pid 1653] +++ exited with 0 +++ [pid 1664] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1663] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1662] <... bpf resumed>) = 9 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1653, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1664] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1663] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1662] exit_group(0 [pid 1664] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1663] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1662] <... exit_group resumed>) = ? [pid 1664] <... bpf resumed>) = 7 [pid 1663] <... bpf resumed>) = 7 [pid 1662] +++ exited with 0 +++ [pid 1664] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1663] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1664] <... bpf resumed>) = 0 [pid 1663] <... bpf resumed>) = 0 [pid 1664] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1663] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1664] <... bpf resumed>) = 8 [pid 1663] <... bpf resumed>) = 8 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1664] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1663] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1664] <... bpf resumed>) = 9 [pid 1663] <... bpf resumed>) = 9 [pid 1664] exit_group(0 [pid 1663] exit_group(0 [pid 1664] <... exit_group resumed>) = ? [pid 1663] <... exit_group resumed>) = ? [pid 1664] +++ exited with 0 +++ [pid 298] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... openat resumed>) = 3 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] newfstatat(3, "", [pid 295] <... restart_syscall resumed>) = 0 [pid 299] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./120/binderfs") = 0 [pid 299] getdents64(3, [pid 298] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./120") = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] mkdir("./121", 0777) = 0 [pid 298] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1672 ./strace-static-x86_64: Process 1672 attached [pid 298] newfstatat(AT_FDCWD, "./118/binderfs", [pid 295] <... openat resumed>) = 3 [pid 1672] set_robust_list(0x55555719e760, 24 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(3, "", [pid 1672] <... set_robust_list resumed>) = 0 [pid 298] unlink("./118/binderfs" [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1672] chdir("./121" [pid 298] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 1672] <... chdir resumed>) = 0 [pid 1672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1672] setpgid(0, 0) = 0 [pid 1672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1672] write(3, "1000", 4) = 4 [pid 1672] close(3) = 0 [pid 1672] symlink("/dev/binderfs", "./binderfs") = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1672] write(1, "executing program\n", 18executing program ) = 18 [pid 1672] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] getdents64(3, [pid 295] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] close(3 [pid 295] newfstatat(AT_FDCWD, "./118/binderfs", [pid 298] <... close resumed>) = 0 [pid 1672] <... bpf resumed>) = 3 [pid 1672] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] rmdir("./118" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1672] <... bpf resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 295] unlink("./118/binderfs" [pid 1672] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] mkdir("./119", 0777 [pid 1672] <... bpf resumed>) = 4 [pid 295] <... unlink resumed>) = 0 [pid 1672] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] <... mkdir resumed>) = 0 [pid 295] getdents64(3, [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 1674 attached [pid 295] close(3 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1674 [pid 295] <... close resumed>) = 0 [pid 295] rmdir("./118") = 0 [pid 1674] set_robust_list(0x55555719e760, 24 [pid 295] mkdir("./119", 0777 [pid 1674] <... set_robust_list resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 1674] chdir("./119" [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1674] <... chdir resumed>) = 0 [pid 1674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1675 [pid 1674] <... prctl resumed>) = 0 [pid 1674] setpgid(0, 0) = 0 [pid 1674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1674] write(3, "1000", 4) = 4 executing program [pid 1674] close(3) = 0 [pid 1674] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1674] write(1, "executing program\n", 18) = 18 [pid 1674] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1674] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1674] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1674] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 1675 attached [pid 1675] set_robust_list(0x55555719e760, 24) = 0 [pid 1675] chdir("./119") = 0 [pid 1675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1675] setpgid(0, 0) = 0 [pid 1659] +++ exited with 0 +++ [pid 1674] <... bpf resumed>) = 5 [pid 1672] <... bpf resumed>) = 5 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1674] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 1674] <... openat resumed>) = 6 [pid 1672] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 296] <... restart_syscall resumed>) = 0 [pid 1674] ioctl(6, PPPIOCNEWUNIT [pid 1672] <... openat resumed>) = 6 [pid 296] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./120/binderfs") = 0 [pid 1672] ioctl(6, PPPIOCNEWUNIT [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./120") = 0 [pid 296] mkdir("./121", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1676 attached , child_tidptr=0x55555719e750) = 1676 [pid 1676] set_robust_list(0x55555719e760, 24 [pid 1674] <... ioctl resumed>, 0x20001400) = 0 [pid 1674] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1674] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1676] <... set_robust_list resumed>) = 0 [pid 1675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1674] <... bpf resumed>) = 7 [pid 1672] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1676] chdir("./121" [pid 1674] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1675] <... openat resumed>) = 3 [pid 1676] <... chdir resumed>) = 0 [pid 1674] <... bpf resumed>) = 0 [pid 1672] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1675] write(3, "1000", 4 [pid 1674] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1675] <... write resumed>) = 4 [pid 1674] <... bpf resumed>) = 8 [pid 1672] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1663] +++ exited with 0 +++ [pid 1675] close(3 [pid 1674] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1676] <... prctl resumed>) = 0 [pid 1675] <... close resumed>) = 0 [pid 1674] <... bpf resumed>) = 9 [pid 1672] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1663, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 1676] setpgid(0, 0 [pid 1675] symlink("/dev/binderfs", "./binderfs" [pid 1674] exit_group(0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 1676] <... setpgid resumed>) = 0 [pid 1675] <... symlink resumed>) = 0 [pid 1674] <... exit_group resumed>) = ? [pid 1672] <... bpf resumed>) = 7 [pid 297] <... restart_syscall resumed>) = 0 [pid 1676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1675] write(1, "executing program\n", 18 executing program [pid 1672] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1675] <... write resumed>) = 18 [pid 1672] <... bpf resumed>) = 0 [pid 1676] <... openat resumed>) = 3 [pid 1675] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1675] <... bpf resumed>) = 3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1675] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 297] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1675] <... bpf resumed>) = 0 [pid 1672] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... openat resumed>) = 3 [pid 1676] write(3, "1000", 4 [pid 1675] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] newfstatat(3, "", [pid 1676] <... write resumed>) = 4 [pid 1675] <... bpf resumed>) = 4 [pid 1672] <... bpf resumed>) = 8 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1676] close(3 [pid 1675] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1672] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] getdents64(3, [pid 1676] <... close resumed>) = 0 [pid 1675] <... bpf resumed>) = 5 [pid 1672] <... bpf resumed>) = 9 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1676] symlink("/dev/binderfs", "./binderfs" [pid 1675] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1672] exit_group(0 [pid 297] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1675] <... openat resumed>) = 6 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1675] ioctl(6, PPPIOCNEWUNIT [pid 297] newfstatat(AT_FDCWD, "./110/binderfs", [pid 1676] <... symlink resumed>) = 0 [pid 1672] <... exit_group resumed>) = ? [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 297] unlink("./110/binderfs" [pid 1676] write(1, "executing program\n", 18 [pid 297] <... unlink resumed>) = 0 [pid 1672] +++ exited with 0 +++ [pid 297] getdents64(3, [pid 1676] <... write resumed>) = 18 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] close(3 [pid 1675] <... ioctl resumed>, 0x20001400) = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 297] <... close resumed>) = 0 [pid 1676] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1675] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] rmdir("./110" [pid 1676] <... bpf resumed>) = 3 [pid 1675] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] <... restart_syscall resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 1675] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] mkdir("./111", 0777 [pid 1676] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1675] <... bpf resumed>) = 7 [pid 297] <... mkdir resumed>) = 0 [pid 1675] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1676] <... bpf resumed>) = 0 [pid 1675] <... bpf resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1675] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1680 [pid 1676] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1675] <... bpf resumed>) = 8 [pid 299] <... openat resumed>) = 3 [pid 1675] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] newfstatat(3, "", [pid 1675] <... bpf resumed>) = 9 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1676] <... bpf resumed>) = 4 [pid 1675] exit_group(0 [pid 299] getdents64(3, [pid 1675] <... exit_group resumed>) = ? [pid 1676] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1674] +++ exited with 0 +++ [pid 299] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] newfstatat(AT_FDCWD, "./121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./121/binderfs" [pid 298] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... unlink resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] getdents64(3, [pid 298] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... openat resumed>) = 3 [pid 299] close(3 [pid 298] newfstatat(3, "", [pid 299] <... close resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] rmdir("./121" [pid 298] getdents64(3, [pid 299] <... rmdir resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] mkdir("./122", 0777 [pid 298] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... mkdir resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] newfstatat(AT_FDCWD, "./119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1681 [pid 298] unlink("./119/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./119") = 0 [pid 298] mkdir("./120", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1680 attached , child_tidptr=0x55555719e750) = 1682 [pid 1680] set_robust_list(0x55555719e760, 24) = 0 [pid 1680] chdir("./111"./strace-static-x86_64: Process 1681 attached [pid 1681] set_robust_list(0x55555719e760, 24) = 0 [pid 1681] chdir("./122") = 0 [pid 1681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1680] <... chdir resumed>) = 0 [pid 1680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1680] setpgid(0, 0) = 0 [pid 1681] <... prctl resumed>) = 0 [pid 1681] setpgid(0, 0) = 0 [pid 1681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1681] <... openat resumed>) = 3 [pid 1680] <... openat resumed>) = 3 executing program [pid 1680] write(3, "1000", 4 [pid 1681] write(3, "1000", 4) = 4 [pid 1681] close(3) = 0 [pid 1681] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1681] write(1, "executing program\n", 18) = 18 [pid 1681] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1681] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1681] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 1682 attached [pid 1680] <... write resumed>) = 4 [pid 1682] set_robust_list(0x55555719e760, 24 [pid 1680] close(3 [pid 1682] <... set_robust_list resumed>) = 0 [pid 1680] <... close resumed>) = 0 [pid 1680] symlink("/dev/binderfs", "./binderfs" [pid 1681] <... bpf resumed>) = 4 [pid 1681] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1680] <... symlink resumed>) = 0 [pid 1682] chdir("./120" [pid 1680] write(1, "executing program\n", 18executing program [pid 1682] <... chdir resumed>) = 0 [pid 1680] <... write resumed>) = 18 [pid 1682] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1680] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1682] <... prctl resumed>) = 0 [pid 1680] <... bpf resumed>) = 3 [pid 1682] setpgid(0, 0 [pid 1680] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1682] <... setpgid resumed>) = 0 [pid 1680] <... bpf resumed>) = 0 [pid 1682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1680] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1682] <... openat resumed>) = 3 [pid 1680] <... bpf resumed>) = 4 [pid 1682] write(3, "1000", 4 [pid 1680] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1682] <... write resumed>) = 4 [pid 1682] close(3) = 0 [pid 1682] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1681] <... bpf resumed>) = 5 [pid 1680] <... bpf resumed>) = 5 [pid 1676] <... bpf resumed>) = 5 [pid 1682] write(1, "executing program\n", 18executing program [pid 1681] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1680] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1676] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1682] <... write resumed>) = 18 [pid 1681] <... openat resumed>) = 6 [pid 1680] <... openat resumed>) = 6 [pid 1676] <... openat resumed>) = 6 [pid 1682] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1681] ioctl(6, PPPIOCNEWUNIT [pid 1680] ioctl(6, PPPIOCNEWUNIT [pid 1676] ioctl(6, PPPIOCNEWUNIT [pid 1682] <... bpf resumed>) = 3 [pid 1681] <... ioctl resumed>, 0x20001400) = 0 [pid 1680] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1676] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1682] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1680] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1676] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1682] <... bpf resumed>) = 0 [pid 1681] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1680] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1676] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1682] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1681] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1680] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1676] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1682] <... bpf resumed>) = 4 [pid 1681] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1680] <... bpf resumed>) = 7 [pid 1676] <... bpf resumed>) = 7 [pid 1682] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1681] <... bpf resumed>) = 7 [pid 1680] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1676] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1682] <... bpf resumed>) = 5 [pid 1681] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1680] <... bpf resumed>) = 0 [pid 1676] <... bpf resumed>) = 0 [pid 1682] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1680] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1676] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1682] <... openat resumed>) = 6 [pid 1681] <... bpf resumed>) = 0 [pid 1680] <... bpf resumed>) = 8 [pid 1676] <... bpf resumed>) = 8 [pid 1682] ioctl(6, PPPIOCNEWUNIT [pid 1681] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1680] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1676] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1682] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1681] <... bpf resumed>) = 8 [pid 1681] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1682] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1681] <... bpf resumed>) = 9 [pid 1680] <... bpf resumed>) = 9 [pid 1676] <... bpf resumed>) = 9 [pid 1681] exit_group(0 [pid 1682] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1681] <... exit_group resumed>) = ? [pid 1680] exit_group(0 [pid 1676] exit_group(0 [pid 1682] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1680] <... exit_group resumed>) = ? [pid 1682] <... bpf resumed>) = 7 [pid 1676] <... exit_group resumed>) = ? [pid 1682] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1680] +++ exited with 0 +++ [pid 1676] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1680, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1682] <... bpf resumed>) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1676, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... restart_syscall resumed>) = 0 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 1682] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... restart_syscall resumed>) = 0 [pid 297] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... openat resumed>) = 3 [pid 296] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1682] <... bpf resumed>) = 8 [pid 297] newfstatat(3, "", [pid 296] <... openat resumed>) = 3 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] newfstatat(3, "", [pid 1682] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1682] <... bpf resumed>) = 9 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] getdents64(3, [pid 1682] exit_group(0 [pid 297] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1682] <... exit_group resumed>) = ? [pid 297] newfstatat(AT_FDCWD, "./111/binderfs", [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(AT_FDCWD, "./121/binderfs", [pid 297] unlink("./111/binderfs" [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] unlink("./121/binderfs" [pid 297] getdents64(3, [pid 296] <... unlink resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] getdents64(3, [pid 1682] +++ exited with 0 +++ [pid 297] close(3 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1682, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] <... close resumed>) = 0 [pid 296] close(3 [pid 297] rmdir("./111" [pid 296] <... close resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 296] rmdir("./121" [pid 298] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] mkdir("./112", 0777 [pid 296] <... rmdir resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... mkdir resumed>) = 0 [pid 296] mkdir("./122", 0777 [pid 298] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... mkdir resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] newfstatat(3, "", [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1688 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1689 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./120/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./120") = 0 [pid 298] mkdir("./121", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1690 ./strace-static-x86_64: Process 1689 attached [pid 1689] set_robust_list(0x55555719e760, 24) = 0 [pid 1689] chdir("./122") = 0 [pid 1689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1689] setpgid(0, 0./strace-static-x86_64: Process 1690 attached ) = 0 ./strace-static-x86_64: Process 1688 attached [pid 1690] set_robust_list(0x55555719e760, 24) = 0 [pid 1688] set_robust_list(0x55555719e760, 24) = 0 [pid 1688] chdir("./112" [pid 1689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1688] <... chdir resumed>) = 0 [pid 1688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1690] chdir("./121" [pid 1688] <... prctl resumed>) = 0 [pid 1690] <... chdir resumed>) = 0 [pid 1689] <... openat resumed>) = 3 [pid 1690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1689] write(3, "1000", 4 [pid 1688] setpgid(0, 0 [pid 1690] setpgid(0, 0 [pid 1689] <... write resumed>) = 4 [pid 1688] <... setpgid resumed>) = 0 [pid 1690] <... setpgid resumed>) = 0 [pid 1689] close(3 [pid 1688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1689] <... close resumed>) = 0 [pid 1688] <... openat resumed>) = 3 [pid 1690] <... openat resumed>) = 3 [pid 1689] symlink("/dev/binderfs", "./binderfs" [pid 1688] write(3, "1000", 4 [pid 1690] write(3, "1000", 4 [pid 1689] <... symlink resumed>) = 0 [pid 1688] <... write resumed>) = 4 [pid 1690] <... write resumed>) = 4 [pid 1689] write(1, "executing program\n", 18 [pid 1688] close(3executing program [pid 1690] close(3 [pid 1689] <... write resumed>) = 18 [pid 1688] <... close resumed>) = 0 [pid 1690] <... close resumed>) = 0 [pid 1689] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1688] symlink("/dev/binderfs", "./binderfs" [pid 1690] symlink("/dev/binderfs", "./binderfs" [pid 1689] <... bpf resumed>) = 3 [pid 1688] <... symlink resumed>) = 0 [pid 1681] +++ exited with 0 +++ [pid 1675] +++ exited with 0 +++ executing program [pid 1690] <... symlink resumed>) = 0 [pid 1689] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1688] write(1, "executing program\n", 18executing program [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1681, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1690] write(1, "executing program\n", 18 [pid 1689] <... bpf resumed>) = 0 [pid 1688] <... write resumed>) = 18 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1675, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 1690] <... write resumed>) = 18 [pid 1689] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1688] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1690] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1688] <... bpf resumed>) = 3 [pid 299] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1690] <... bpf resumed>) = 3 [pid 1689] <... bpf resumed>) = 4 [pid 1688] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1690] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1689] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1688] <... bpf resumed>) = 0 [pid 299] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1690] <... bpf resumed>) = 0 [pid 1688] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... openat resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1690] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1688] <... bpf resumed>) = 4 [pid 299] newfstatat(3, "", [pid 1688] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1690] <... bpf resumed>) = 4 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1690] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] newfstatat(AT_FDCWD, "./122/binderfs", [pid 295] <... openat resumed>) = 3 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./122/binderfs" [pid 295] newfstatat(3, "", [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 295] getdents64(3, [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./122" [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... rmdir resumed>) = 0 [pid 295] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] mkdir("./123", 0777) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] newfstatat(AT_FDCWD, "./119/binderfs", [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1695 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./119/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./119") = 0 [pid 295] mkdir("./120", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1696 attached , child_tidptr=0x55555719e750) = 1696 [pid 1696] set_robust_list(0x55555719e760, 24) = 0 [pid 1696] chdir("./120") = 0 [pid 1696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 1695 attached [pid 1695] set_robust_list(0x55555719e760, 24) = 0 [pid 1696] setpgid(0, 0 [pid 1695] chdir("./123" [pid 1696] <... setpgid resumed>) = 0 [pid 1696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1695] <... chdir resumed>) = 0 [pid 1695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1696] write(3, "1000", 4) = 4 [pid 1696] close(3) = 0 [pid 1695] setpgid(0, 0 [pid 1696] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1696] write(1, "executing program\n", 18executing program ) = 18 [pid 1696] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1696] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1696] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1689] <... bpf resumed>) = 5 [pid 1688] <... bpf resumed>) = 5 [pid 1688] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1688] ioctl(6, PPPIOCNEWUNIT [pid 1690] <... bpf resumed>) = 5 [pid 1689] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1688] <... ioctl resumed>, 0x20001400) = 0 [pid 1688] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1688] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1688] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1688] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1690] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1689] <... openat resumed>) = 6 [pid 1688] <... bpf resumed>) = 8 [pid 1688] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1690] <... openat resumed>) = 6 [pid 1689] ioctl(6, PPPIOCNEWUNIT [pid 1688] <... bpf resumed>) = 9 [pid 1688] exit_group(0 [pid 1690] ioctl(6, PPPIOCNEWUNIT [pid 1689] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1688] <... exit_group resumed>) = ? [pid 1696] <... bpf resumed>) = 4 [pid 1695] <... setpgid resumed>) = 0 [pid 1690] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1689] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1696] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1690] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1689] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1696] <... bpf resumed>) = 5 [pid 1690] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1689] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1696] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1690] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1689] <... bpf resumed>) = 7 [pid 1696] <... openat resumed>) = 6 [pid 1690] <... bpf resumed>) = 7 [pid 1689] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1690] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1689] <... bpf resumed>) = 0 [pid 1690] <... bpf resumed>) = 0 [pid 1689] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1690] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1696] ioctl(6, PPPIOCNEWUNIT [pid 1695] <... openat resumed>) = 3 [pid 1690] <... bpf resumed>) = 8 [pid 1689] <... bpf resumed>) = 8 [pid 1695] write(3, "1000", 4 [pid 1690] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1689] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1695] <... write resumed>) = 4 [pid 1690] <... bpf resumed>) = 9 [pid 1689] <... bpf resumed>) = 9 [pid 1695] close(3 [pid 1690] exit_group(0 [pid 1689] exit_group(0 [pid 1695] <... close resumed>) = 0 [pid 1690] <... exit_group resumed>) = ? [pid 1689] <... exit_group resumed>) = ? [pid 1695] symlink("/dev/binderfs", "./binderfs" [pid 1690] +++ exited with 0 +++ [pid 1689] +++ exited with 0 +++ [pid 1696] <... ioctl resumed>, 0x20001400) = 0 [pid 1695] <... symlink resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1690, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 1695] write(1, "executing program\n", 18 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1689, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1695] <... write resumed>) = 18 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 1696] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1695] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1695] <... bpf resumed>) = 3 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... restart_syscall resumed>) = 0 [pid 1695] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1695] <... bpf resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 1695] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] newfstatat(3, "", [pid 1696] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1696] <... bpf resumed>) = 7 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1696] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1696] <... bpf resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 1696] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] newfstatat(3, "", [pid 1695] <... bpf resumed>) = 4 [pid 298] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1695] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1695] <... bpf resumed>) = 5 [pid 298] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] getdents64(3, [pid 1695] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1695] <... openat resumed>) = 6 [pid 298] newfstatat(AT_FDCWD, "./121/binderfs", [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1695] ioctl(6, PPPIOCNEWUNIT [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1695] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 298] unlink("./121/binderfs" [pid 296] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1695] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... unlink resumed>) = 0 [pid 1695] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] getdents64(3, [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1695] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] newfstatat(AT_FDCWD, "./122/binderfs", [pid 1696] <... bpf resumed>) = 8 [pid 1695] <... bpf resumed>) = 7 [pid 298] close(3 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1695] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... close resumed>) = 0 [pid 296] unlink("./122/binderfs" [pid 1695] <... bpf resumed>) = 0 [pid 298] rmdir("./121" [pid 1695] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... rmdir resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 1696] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1695] <... bpf resumed>) = 8 [pid 298] mkdir("./122", 0777 [pid 296] getdents64(3, [pid 1696] <... bpf resumed>) = 9 [pid 1695] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... mkdir resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1696] exit_group(0 [pid 1695] <... bpf resumed>) = 9 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] close(3./strace-static-x86_64: Process 1698 attached [pid 1696] <... exit_group resumed>) = ? [pid 1695] exit_group(0) = ? [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1698 [pid 296] <... close resumed>) = 0 [pid 1695] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1695, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1698] set_robust_list(0x55555719e760, 24 [pid 296] rmdir("./122" [pid 1698] <... set_robust_list resumed>) = 0 [pid 1698] chdir("./122") = 0 [pid 1698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... rmdir resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] mkdir("./123", 0777 [pid 299] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1698] setpgid(0, 0) = 0 [pid 1698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 299] <... openat resumed>) = 3 [pid 296] <... mkdir resumed>) = 0 [pid 1698] write(3, "1000", 4 [pid 299] newfstatat(3, "", [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1698] <... write resumed>) = 4 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1698] close(3) = 0 [pid 1698] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 299] getdents64(3, [pid 1698] write(1, "executing program\n", 18 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1699 [pid 1698] <... write resumed>) = 18 [pid 1698] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1698] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1698] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 299] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1698] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1698] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] newfstatat(AT_FDCWD, "./123/binderfs", [pid 1698] <... openat resumed>) = 6 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./123/binderfs" [pid 1698] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1699 attached [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 1699] set_robust_list(0x55555719e760, 24 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1699] <... set_robust_list resumed>) = 0 [pid 299] close(3 [pid 1699] chdir("./123" [pid 299] <... close resumed>) = 0 [pid 1699] <... chdir resumed>) = 0 [pid 299] rmdir("./123" [pid 1699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1699] setpgid(0, 0 [pid 299] <... rmdir resumed>) = 0 [pid 1699] <... setpgid resumed>) = 0 [pid 299] mkdir("./124", 0777 [pid 1699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1699] write(3, "1000", 4 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1699] <... write resumed>) = 4 [pid 1699] close(3) = 0 [pid 1699] symlink("/dev/binderfs", "./binderfs") = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1700 executing program [pid 1699] write(1, "executing program\n", 18) = 18 [pid 1699] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1699] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1699] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1698] <... ioctl resumed>, 0x20001400) = 0 [pid 1688] +++ exited with 0 +++ [pid 1699] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1698] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1699] <... bpf resumed>) = 5 [pid 1698] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1699] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1698] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1699] <... openat resumed>) = 6 [pid 1698] <... bpf resumed>) = 7 [pid 1699] ioctl(6, PPPIOCNEWUNIT [pid 1698] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1688, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1699] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1698] <... bpf resumed>) = 0 [pid 297] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1699] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1698] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1699] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1698] <... bpf resumed>) = 8 [pid 1699] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1698] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 1700 attached [pid 1699] <... bpf resumed>) = 7 [pid 1698] <... bpf resumed>) = 9 [pid 297] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1700] set_robust_list(0x55555719e760, 24 [pid 1699] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1698] exit_group(0 [pid 1700] <... set_robust_list resumed>) = 0 [pid 1699] <... bpf resumed>) = 0 [pid 1698] <... exit_group resumed>) = ? [pid 1700] chdir("./124" [pid 1699] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... openat resumed>) = 3 [pid 1700] <... chdir resumed>) = 0 [pid 1699] <... bpf resumed>) = 8 [pid 297] newfstatat(3, "", [pid 1700] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1699] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1700] <... prctl resumed>) = 0 [pid 1699] <... bpf resumed>) = 9 executing program [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1700] setpgid(0, 0 [pid 1699] exit_group(0 [pid 1700] <... setpgid resumed>) = 0 [pid 1699] <... exit_group resumed>) = ? [pid 297] getdents64(3, [pid 1700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1699] +++ exited with 0 +++ [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1700] <... openat resumed>) = 3 [pid 297] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1700] write(3, "1000", 4) = 4 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1700] close(3 [pid 297] newfstatat(AT_FDCWD, "./112/binderfs", [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1699, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./112/binderfs" [pid 296] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1700] <... close resumed>) = 0 [pid 1700] symlink("/dev/binderfs", "./binderfs") = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, [pid 1700] write(1, "executing program\n", 18 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] close(3 [pid 1700] <... write resumed>) = 18 [pid 297] <... close resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 297] rmdir("./112" [pid 1700] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1700] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1700] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... rmdir resumed>) = 0 [pid 296] newfstatat(3, "", [pid 1700] <... bpf resumed>) = 4 [pid 297] mkdir("./113", 0777 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1700] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1700] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 297] <... mkdir resumed>) = 0 [pid 296] getdents64(3, [pid 1700] ioctl(6, PPPIOCNEWUNIT [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1701 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1700] <... ioctl resumed>, 0x20001400) = 0 [pid 296] newfstatat(AT_FDCWD, "./123/binderfs", [pid 1700] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1700] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 296] unlink("./123/binderfs" [pid 1700] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] <... unlink resumed>) = 0 [pid 1700] <... bpf resumed>) = 0 [pid 296] getdents64(3, [pid 1696] +++ exited with 0 +++ [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1700] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... close resumed>) = 0 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1700] <... bpf resumed>) = 8 [pid 296] rmdir("./123" [pid 295] <... restart_syscall resumed>) = 0 [pid 1700] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 296] <... rmdir resumed>) = 0 [pid 1700] exit_group(0 [pid 296] mkdir("./124", 0777 [pid 1700] <... exit_group resumed>) = ? [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1702 [pid 295] <... openat resumed>) = 3 ./strace-static-x86_64: Process 1701 attached [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, [pid 1701] set_robust_list(0x55555719e760, 24 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1701] <... set_robust_list resumed>) = 0 [pid 295] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1701] chdir("./113" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./120/binderfs", [pid 1701] <... chdir resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] unlink("./120/binderfs" [pid 1701] <... prctl resumed>) = 0 [pid 1701] setpgid(0, 0 [pid 295] <... unlink resumed>) = 0 [pid 1701] <... setpgid resumed>) = 0 [pid 295] getdents64(3, [pid 1701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3 [pid 1701] <... openat resumed>) = 3 [pid 295] <... close resumed>) = 0 [pid 1701] write(3, "1000", 4 [pid 295] rmdir("./120" [pid 1701] <... write resumed>) = 4 [pid 1701] close(3) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 1701] symlink("/dev/binderfs", "./binderfs" [pid 295] mkdir("./121", 0777 [pid 1701] <... symlink resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 1702 attached [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1701] write(1, "executing program\n", 18executing program [pid 1702] set_robust_list(0x55555719e760, 24 [pid 1701] <... write resumed>) = 18 [pid 1702] <... set_robust_list resumed>) = 0 [pid 1701] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1703 [pid 1702] chdir("./124" [pid 1701] <... bpf resumed>) = 3 [pid 1701] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1702] <... chdir resumed>) = 0 [pid 1701] <... bpf resumed>) = 0 [pid 1702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1701] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1702] setpgid(0, 0 [pid 1701] <... bpf resumed>) = 4 [pid 1702] <... setpgid resumed>) = 0 [pid 1701] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1701] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 1703 attached [pid 1702] <... openat resumed>) = 3 [pid 1701] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1703] set_robust_list(0x55555719e760, 24 [pid 1702] write(3, "1000", 4 [pid 1701] <... openat resumed>) = 6 [pid 1703] <... set_robust_list resumed>) = 0 [pid 1702] <... write resumed>) = 4 [pid 1701] ioctl(6, PPPIOCNEWUNIT [pid 1703] chdir("./121" [pid 1702] close(3 [pid 1701] <... ioctl resumed>, 0x20001400) = 0 [pid 1701] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1701] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1701] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1701] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1703] <... chdir resumed>) = 0 [pid 1702] <... close resumed>) = 0 [pid 1698] +++ exited with 0 +++ [pid 1703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1702] symlink("/dev/binderfs", "./binderfs" [pid 1701] <... bpf resumed>) = 8 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1698, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1703] <... prctl resumed>) = 0 [pid 1701] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1703] setpgid(0, 0 [pid 1702] <... symlink resumed>) = 0 [pid 1701] <... bpf resumed>) = 9 executing program [pid 1703] <... setpgid resumed>) = 0 [pid 1702] write(1, "executing program\n", 18 [pid 1701] exit_group(0 [pid 298] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1702] <... write resumed>) = 18 [pid 1701] <... exit_group resumed>) = ? [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1703] <... openat resumed>) = 3 [pid 1702] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1703] write(3, "1000", 4 [pid 298] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1703] <... write resumed>) = 4 [pid 1702] <... bpf resumed>) = 3 [pid 1703] close(3 [pid 298] <... openat resumed>) = 3 [pid 1702] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] newfstatat(3, "", [pid 1703] <... close resumed>) = 0 [pid 1702] <... bpf resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1703] symlink("/dev/binderfs", "./binderfs" [pid 1702] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1703] <... symlink resumed>) = 0 [pid 298] getdents64(3, executing program [pid 1703] write(1, "executing program\n", 18 [pid 1702] <... bpf resumed>) = 4 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1703] <... write resumed>) = 18 [pid 1702] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1702] <... bpf resumed>) = 5 [pid 1702] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1703] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1702] <... openat resumed>) = 6 [pid 298] newfstatat(AT_FDCWD, "./122/binderfs", [pid 1702] ioctl(6, PPPIOCNEWUNIT [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1702] <... ioctl resumed>, 0x20001400) = 0 [pid 298] unlink("./122/binderfs" [pid 1703] <... bpf resumed>) = 3 [pid 1703] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1703] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... unlink resumed>) = 0 [pid 1703] <... bpf resumed>) = 4 [pid 1702] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] getdents64(3, [pid 1703] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1702] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1703] <... bpf resumed>) = 5 [pid 1702] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] close(3 [pid 1703] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1702] <... bpf resumed>) = 7 [pid 298] <... close resumed>) = 0 [pid 1703] <... openat resumed>) = 6 [pid 1702] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] rmdir("./122" [pid 1703] ioctl(6, PPPIOCNEWUNIT [pid 1702] <... bpf resumed>) = 0 [pid 1703] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1702] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... rmdir resumed>) = 0 [pid 1703] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1702] <... bpf resumed>) = 8 [pid 298] mkdir("./123", 0777 [pid 1703] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1702] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... mkdir resumed>) = 0 [pid 1703] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1704 attached [pid 1703] <... bpf resumed>) = 7 [pid 1702] <... bpf resumed>) = 9 [pid 1703] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1704 [pid 1702] exit_group(0 [pid 1704] set_robust_list(0x55555719e760, 24 [pid 1703] <... bpf resumed>) = 0 [pid 1702] <... exit_group resumed>) = ? [pid 1704] <... set_robust_list resumed>) = 0 [pid 1703] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1704] chdir("./123") = 0 [pid 1703] <... bpf resumed>) = 8 [pid 1704] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1703] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1704] <... prctl resumed>) = 0 [pid 1704] setpgid(0, 0) = 0 [pid 1704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1704] write(3, "1000", 4) = 4 [pid 1704] close(3) = 0 [pid 1703] <... bpf resumed>) = 9 [pid 1704] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1703] exit_group(0executing program ) = ? [pid 1704] write(1, "executing program\n", 18) = 18 [pid 1704] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1704] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1703] +++ exited with 0 +++ [pid 1704] <... bpf resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1704] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1704] <... bpf resumed>) = 4 [pid 295] <... restart_syscall resumed>) = 0 [pid 1704] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1704] <... bpf resumed>) = 5 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1704] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1704] <... openat resumed>) = 6 [pid 295] <... openat resumed>) = 3 [pid 1704] ioctl(6, PPPIOCNEWUNIT [pid 295] newfstatat(3, "", [pid 1704] <... ioctl resumed>, 0x20001400) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1704] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1704] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1704] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1704] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] getdents64(3, [pid 1704] <... bpf resumed>) = 8 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1704] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1704] <... bpf resumed>) = 9 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1704] exit_group(0 [pid 295] newfstatat(AT_FDCWD, "./121/binderfs", [pid 1704] <... exit_group resumed>) = ? [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./121/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./121") = 0 [pid 295] mkdir("./122", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1705 ./strace-static-x86_64: Process 1705 attached [pid 1705] set_robust_list(0x55555719e760, 24) = 0 [pid 1705] chdir("./122") = 0 [pid 1705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1705] setpgid(0, 0) = 0 [pid 1705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1705] write(3, "1000", 4) = 4 [pid 1705] close(3) = 0 [pid 1705] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1705] write(1, "executing program\n", 18executing program ) = 18 [pid 1705] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1705] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1705] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1700] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1700, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1705] <... bpf resumed>) = 4 [pid 299] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1705] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1705] <... bpf resumed>) = 5 [pid 299] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1705] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] <... openat resumed>) = 3 [pid 1705] <... openat resumed>) = 6 [pid 299] newfstatat(3, "", [pid 1705] ioctl(6, PPPIOCNEWUNIT [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 1705] <... ioctl resumed>, 0x20001400) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./124/binderfs", [pid 1705] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1705] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] unlink("./124/binderfs" [pid 1705] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... unlink resumed>) = 0 [pid 1705] <... bpf resumed>) = 7 [pid 299] getdents64(3, [pid 1705] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1705] <... bpf resumed>) = 0 [pid 299] close(3 [pid 1705] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./124" [pid 1705] <... bpf resumed>) = 8 [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./125", 0777 [pid 1705] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1705] exit_group(0) = ? [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1706 ./strace-static-x86_64: Process 1706 attached [pid 1706] set_robust_list(0x55555719e760, 24) = 0 [pid 1706] chdir("./125") = 0 [pid 1706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1706] setpgid(0, 0) = 0 [pid 1706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1706] write(3, "1000", 4) = 4 [pid 1706] close(3) = 0 [pid 1706] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1706] write(1, "executing program\n", 18executing program ) = 18 [pid 1706] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1706] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1706] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1706] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1706] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1706] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1706] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1706] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1706] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1706] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1706] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1706] exit_group(0) = ? [pid 1701] +++ exited with 0 +++ [pid 1704] +++ exited with 0 +++ [pid 1702] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1702, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1704, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 298] <... restart_syscall resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 296] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... openat resumed>) = 3 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] newfstatat(3, "", [pid 297] <... openat resumed>) = 3 [pid 298] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] newfstatat(3, "", [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 298] <... openat resumed>) = 3 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] newfstatat(3, "", [pid 297] getdents64(3, [pid 296] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./124/binderfs", [pid 298] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./113/binderfs", [pid 296] unlink("./124/binderfs" [pid 298] newfstatat(AT_FDCWD, "./123/binderfs", [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./113/binderfs" [pid 296] getdents64(3, [pid 298] unlink("./123/binderfs" [pid 297] <... unlink resumed>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 297] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] getdents64(3, [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3 [pid 296] <... close resumed>) = 0 [pid 298] close(3 [pid 297] <... close resumed>) = 0 [pid 296] rmdir("./124" [pid 298] <... close resumed>) = 0 [pid 297] rmdir("./113" [pid 296] <... rmdir resumed>) = 0 [pid 298] rmdir("./123" [pid 297] <... rmdir resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 297] mkdir("./114", 0777 [pid 296] mkdir("./125", 0777 [pid 298] mkdir("./124", 0777 [pid 297] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1705] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1705, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1709 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1710 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1711 ./strace-static-x86_64: Process 1711 attached ./strace-static-x86_64: Process 1709 attached [pid 1711] set_robust_list(0x55555719e760, 24 [pid 1709] set_robust_list(0x55555719e760, 24 [pid 1711] <... set_robust_list resumed>) = 0 [pid 1709] <... set_robust_list resumed>) = 0 [pid 1711] chdir("./125" [pid 295] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1711] <... chdir resumed>) = 0 [pid 1711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1709] chdir("./124" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1711] <... prctl resumed>) = 0 [pid 1709] <... chdir resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", [pid 1711] setpgid(0, 0 [pid 1709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1711] <... setpgid resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1709] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 1710 attached [pid 1710] set_robust_list(0x55555719e760, 24 [pid 295] getdents64(3, [pid 1710] <... set_robust_list resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1710] chdir("./114" [pid 295] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1709] setpgid(0, 0 [pid 1710] <... chdir resumed>) = 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 295] newfstatat(AT_FDCWD, "./122/binderfs", [pid 1711] <... openat resumed>) = 3 [pid 1709] <... setpgid resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./122/binderfs") = 0 [pid 295] getdents64(3, [pid 1710] <... openat resumed>) = 3 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1711] write(3, "1000", 4 [pid 295] close(3 [pid 1710] write(3, "1000", 4 [pid 295] <... close resumed>) = 0 [pid 295] rmdir("./122" [pid 1710] <... write resumed>) = 4 [pid 1710] close(3) = 0 [pid 1710] symlink("/dev/binderfs", "./binderfs" [pid 295] <... rmdir resumed>) = 0 executing program [pid 295] mkdir("./123", 0777 [pid 1710] <... symlink resumed>) = 0 [pid 1710] write(1, "executing program\n", 18) = 18 [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1710] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1710] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1710] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 1712 attached [pid 1711] <... write resumed>) = 4 [pid 1709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1712 [pid 1711] close(3) = 0 [pid 1711] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1711] write(1, "executing program\n", 18 [pid 1709] <... openat resumed>) = 3 executing program [pid 1711] <... write resumed>) = 18 [pid 1711] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1712] set_robust_list(0x55555719e760, 24 [pid 1709] write(3, "1000", 4 [pid 1711] <... bpf resumed>) = 3 [pid 1712] <... set_robust_list resumed>) = 0 [pid 1709] <... write resumed>) = 4 [pid 1711] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1709] close(3 [pid 1711] <... bpf resumed>) = 0 [pid 1709] <... close resumed>) = 0 [pid 1711] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1709] symlink("/dev/binderfs", "./binderfs" [pid 1712] chdir("./123" [pid 1710] <... bpf resumed>) = 4 [pid 1710] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1710] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1711] <... bpf resumed>) = 4 [pid 1710] <... openat resumed>) = 6 [pid 1711] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1710] ioctl(6, PPPIOCNEWUNIT [pid 1709] <... symlink resumed>) = 0 [pid 1711] <... bpf resumed>) = 5 [pid 1709] write(1, "executing program\n", 18 [pid 1712] <... chdir resumed>) = 0 executing program [pid 1711] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1711] <... openat resumed>) = 6 [pid 1709] <... write resumed>) = 18 [pid 1711] ioctl(6, PPPIOCNEWUNIT [pid 1712] <... prctl resumed>) = 0 [pid 1709] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1712] setpgid(0, 0) = 0 [pid 1709] <... bpf resumed>) = 3 [pid 1709] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1710] <... ioctl resumed>, 0x20001400) = 0 [pid 1709] <... bpf resumed>) = 0 [pid 1711] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1710] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1710] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1710] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1710] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1711] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1709] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1712] <... openat resumed>) = 3 [pid 1711] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1710] <... bpf resumed>) = 8 [pid 1709] <... bpf resumed>) = 4 [pid 1710] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1711] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1709] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1712] write(3, "1000", 4 [pid 1710] exit_group(0 [pid 1711] <... bpf resumed>) = 7 [pid 1710] <... exit_group resumed>) = ? [pid 1712] <... write resumed>) = 4 [pid 1711] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1709] <... bpf resumed>) = 5 [pid 1712] close(3 [pid 1711] <... bpf resumed>) = 0 [pid 1709] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1712] <... close resumed>) = 0 [pid 1711] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1712] symlink("/dev/binderfs", "./binderfs" [pid 1709] <... openat resumed>) = 6 [pid 1711] <... bpf resumed>) = 8 [pid 1709] ioctl(6, PPPIOCNEWUNIT [pid 1711] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16executing program [pid 1712] <... symlink resumed>) = 0 [pid 1711] <... bpf resumed>) = 9 [pid 1712] write(1, "executing program\n", 18 [pid 1711] exit_group(0 [pid 1712] <... write resumed>) = 18 [pid 1711] <... exit_group resumed>) = ? [pid 1712] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1711] +++ exited with 0 +++ [pid 1709] <... ioctl resumed>, 0x20001400) = 0 [pid 1712] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1709] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1711, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1712] <... bpf resumed>) = 0 [pid 1709] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1712] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1709] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1712] <... bpf resumed>) = 4 [pid 1709] <... bpf resumed>) = 7 [pid 1712] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1709] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1712] <... bpf resumed>) = 5 [pid 1709] <... bpf resumed>) = 0 [pid 1712] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1709] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1712] <... openat resumed>) = 6 [pid 1709] <... bpf resumed>) = 8 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1712] ioctl(6, PPPIOCNEWUNIT [pid 1709] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1712] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1709] <... bpf resumed>) = 9 [pid 296] <... openat resumed>) = 3 [pid 1712] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1709] exit_group(0 [pid 1706] +++ exited with 0 +++ [pid 296] newfstatat(3, "", [pid 1712] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1709] <... exit_group resumed>) = ? [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1712] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1706, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 296] getdents64(3, [pid 1712] <... bpf resumed>) = 7 [pid 299] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1712] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1712] <... bpf resumed>) = 0 [pid 299] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1712] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... openat resumed>) = 3 [pid 296] newfstatat(AT_FDCWD, "./125/binderfs", [pid 1712] <... bpf resumed>) = 8 [pid 299] newfstatat(3, "", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1712] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] unlink("./125/binderfs" [pid 1712] <... bpf resumed>) = 9 [pid 299] getdents64(3, [pid 296] <... unlink resumed>) = 0 [pid 1712] exit_group(0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] getdents64(3, [pid 1712] <... exit_group resumed>) = ? [pid 299] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1712] +++ exited with 0 +++ [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] close(3 [pid 299] newfstatat(AT_FDCWD, "./125/binderfs", [pid 296] <... close resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] rmdir("./125" [pid 299] unlink("./125/binderfs" [pid 296] <... rmdir resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 296] mkdir("./126", 0777 [pid 295] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] getdents64(3, [pid 296] <... mkdir resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] close(3 [pid 295] <... openat resumed>) = 3 [pid 299] <... close resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1718 [pid 295] newfstatat(3, "", [pid 299] rmdir("./125" [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 295] getdents64(3, [pid 299] mkdir("./126", 0777 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... mkdir resumed>) = 0 [pid 295] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1718 attached [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1718] set_robust_list(0x55555719e760, 24 [pid 295] newfstatat(AT_FDCWD, "./123/binderfs", [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1720 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1718] <... set_robust_list resumed>) = 0 [pid 295] unlink("./123/binderfs" [pid 1718] chdir("./126" [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./123") = 0 [pid 1718] <... chdir resumed>) = 0 [pid 295] mkdir("./124", 0777 [pid 1718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... mkdir resumed>) = 0 [pid 1718] <... prctl resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1718] setpgid(0, 0) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1721 [pid 1718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 1720 attached [pid 1720] set_robust_list(0x55555719e760, 24 [pid 1718] write(3, "1000", 4 [pid 1720] <... set_robust_list resumed>) = 0 [pid 1720] chdir("./126") = 0 [pid 1720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1720] setpgid(0, 0) = 0 [pid 1718] <... write resumed>) = 4 [pid 1718] close(3) = 0 [pid 1718] symlink("/dev/binderfs", "./binderfs" [pid 1720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1720] write(3, "1000", 4) = 4 [pid 1720] close(3) = 0 [pid 1720] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1718] <... symlink resumed>) = 0 [pid 1720] write(1, "executing program\n", 18 [pid 1718] write(1, "executing program\n", 18executing program executing program [pid 1720] <... write resumed>) = 18 [pid 1720] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1718] <... write resumed>) = 18 [pid 1718] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1718] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1718] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1720] <... bpf resumed>) = 3 [pid 1720] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1720] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1718] <... bpf resumed>) = 4 ./strace-static-x86_64: Process 1721 attached [pid 1721] set_robust_list(0x55555719e760, 24 [pid 1720] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1718] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1721] <... set_robust_list resumed>) = 0 [pid 1720] <... bpf resumed>) = 5 [pid 1721] chdir("./124" [pid 1720] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1721] <... chdir resumed>) = 0 [pid 1720] <... openat resumed>) = 6 [pid 1718] <... bpf resumed>) = 5 [pid 1721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1720] ioctl(6, PPPIOCNEWUNIT [pid 1721] <... prctl resumed>) = 0 [pid 1720] <... ioctl resumed>, 0x20001400) = 0 [pid 1718] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1721] setpgid(0, 0) = 0 [pid 1721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1721] write(3, "1000", 4) = 4 [pid 1721] close(3) = 0 [pid 1721] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1720] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1718] <... openat resumed>) = 6 [pid 1721] write(1, "executing program\n", 18 [pid 1720] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1721] <... write resumed>) = 18 [pid 1720] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1718] ioctl(6, PPPIOCNEWUNIT [pid 1721] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1720] <... bpf resumed>) = 7 [pid 1718] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1721] <... bpf resumed>) = 3 [pid 1720] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1721] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1720] <... bpf resumed>) = 0 [pid 1721] <... bpf resumed>) = 0 [pid 1720] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1721] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1720] <... bpf resumed>) = 8 [pid 1721] <... bpf resumed>) = 4 [pid 1720] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1718] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1710] +++ exited with 0 +++ [pid 1721] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1720] <... bpf resumed>) = 9 [pid 1718] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1721] <... bpf resumed>) = 5 [pid 1720] exit_group(0 [pid 1718] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1721] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1720] <... exit_group resumed>) = ? [pid 1718] <... bpf resumed>) = 7 [pid 1721] <... openat resumed>) = 6 [pid 1718] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1721] ioctl(6, PPPIOCNEWUNIT [pid 1718] <... bpf resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1721] <... ioctl resumed>, 0x20001400) = 0 [pid 1718] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... openat resumed>) = 3 [pid 1721] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] newfstatat(3, "", [pid 1721] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1721] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] getdents64(3, [pid 1721] <... bpf resumed>) = 7 [pid 1718] <... bpf resumed>) = 8 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1721] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1721] <... bpf resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1721] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] newfstatat(AT_FDCWD, "./114/binderfs", [pid 1721] <... bpf resumed>) = 8 [pid 1718] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1721] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] unlink("./114/binderfs" [pid 1721] <... bpf resumed>) = 9 [pid 1718] <... bpf resumed>) = 9 [pid 297] <... unlink resumed>) = 0 [pid 1721] exit_group(0 [pid 1718] exit_group(0 [pid 297] getdents64(3, [pid 1721] <... exit_group resumed>) = ? [pid 1718] <... exit_group resumed>) = ? [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./114" [pid 1718] +++ exited with 0 +++ [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./115", 0777) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1718, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1726 [pid 296] <... restart_syscall resumed>) = 0 [pid 296] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./126/binderfs"./strace-static-x86_64: Process 1726 attached ) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./126" [pid 1726] set_robust_list(0x55555719e760, 24 [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./127", 0777 [pid 1726] <... set_robust_list resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1726] chdir("./115" [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1728 [pid 1726] <... chdir resumed>) = 0 [pid 1726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1726] setpgid(0, 0) = 0 [pid 1726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1726] write(3, "1000", 4) = 4 [pid 1726] close(3) = 0 [pid 1726] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 1728 attached executing program [pid 1726] write(1, "executing program\n", 18) = 18 [pid 1728] set_robust_list(0x55555719e760, 24 [pid 1726] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1728] <... set_robust_list resumed>) = 0 [pid 1726] <... bpf resumed>) = 3 [pid 1726] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1728] chdir("./127") = 0 [pid 1726] <... bpf resumed>) = 0 [pid 1728] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1726] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1728] <... prctl resumed>) = 0 [pid 1726] <... bpf resumed>) = 4 [pid 1728] setpgid(0, 0) = 0 [pid 1726] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1726] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1726] ioctl(6, PPPIOCNEWUNIT [pid 1728] <... openat resumed>) = 3 [pid 1726] <... ioctl resumed>, 0x20001400) = 0 [pid 1709] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1709, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1728] write(3, "1000", 4 [pid 1726] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 1728] <... write resumed>) = 4 [pid 1726] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 1728] close(3 [pid 1726] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1728] <... close resumed>) = 0 [pid 1726] <... bpf resumed>) = 7 [pid 1728] symlink("/dev/binderfs", "./binderfs" [pid 1726] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1726] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1726] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1726] exit_group(0) = ? [pid 1728] <... symlink resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 executing program [pid 1728] write(1, "executing program\n", 18 [pid 298] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1728] <... write resumed>) = 18 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1728] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] newfstatat(AT_FDCWD, "./124/binderfs", [pid 1728] <... bpf resumed>) = 3 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1728] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] unlink("./124/binderfs" [pid 1728] <... bpf resumed>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, [pid 1728] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1728] <... bpf resumed>) = 4 [pid 298] close(3) = 0 [pid 1728] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 298] rmdir("./124" [pid 1728] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1720] +++ exited with 0 +++ [pid 1728] <... openat resumed>) = 6 [pid 1721] +++ exited with 0 +++ [pid 298] <... rmdir resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1720, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] mkdir("./125", 0777 [pid 1728] ioctl(6, PPPIOCNEWUNIT [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1721, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./124/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./124") = 0 [pid 1728] <... ioctl resumed>, 0x20001400) = 0 [pid 295] mkdir("./125", 0777./strace-static-x86_64: Process 1732 attached [pid 1728] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1732] set_robust_list(0x55555719e760, 24 [pid 1728] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1732 [pid 1728] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1733 [pid 1728] <... bpf resumed>) = 7 [pid 299] <... openat resumed>) = 3 [pid 1728] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1732] <... set_robust_list resumed>) = 0 [pid 1728] <... bpf resumed>) = 0 [pid 299] newfstatat(3, "", [pid 1728] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1728] <... bpf resumed>) = 8 [pid 299] getdents64(3, [pid 1728] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1728] <... bpf resumed>) = 9 [pid 1732] chdir("./125" [pid 1728] exit_group(0 [pid 299] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1728] <... exit_group resumed>) = ? [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./126/binderfs"./strace-static-x86_64: Process 1733 attached [pid 1733] set_robust_list(0x55555719e760, 24 [pid 299] <... unlink resumed>) = 0 [pid 1733] <... set_robust_list resumed>) = 0 [pid 299] getdents64(3, [pid 1733] chdir("./125") = 0 [pid 1733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1732] <... chdir resumed>) = 0 [pid 299] close(3 [pid 1733] <... prctl resumed>) = 0 [pid 1732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./126" [pid 1733] setpgid(0, 0) = 0 [pid 1733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... rmdir resumed>) = 0 [pid 1733] <... openat resumed>) = 3 [pid 299] mkdir("./127", 0777 [pid 1732] <... prctl resumed>) = 0 [pid 1733] write(3, "1000", 4) = 4 [pid 1733] close(3executing program ) = 0 [pid 1733] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1733] write(1, "executing program\n", 18) = 18 [pid 299] <... mkdir resumed>) = 0 [pid 1733] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1732] setpgid(0, 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1733] <... bpf resumed>) = 3 [pid 1733] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1733] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1735 [pid 1732] <... setpgid resumed>) = 0 [pid 1732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1732] write(3, "1000", 4) = 4 [pid 1732] close(3 [pid 1733] <... bpf resumed>) = 4 [pid 1732] <... close resumed>) = 0 [pid 1733] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1733] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1732] symlink("/dev/binderfs", "./binderfs" [pid 1733] <... openat resumed>) = 6 [pid 1733] ioctl(6, PPPIOCNEWUNIT [pid 1732] <... symlink resumed>) = 0 executing program [pid 1732] write(1, "executing program\n", 18) = 18 [pid 1732] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1732] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1732] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1733] <... ioctl resumed>, 0x20001400) = 0 ./strace-static-x86_64: Process 1735 attached [pid 1735] set_robust_list(0x55555719e760, 24) = 0 [pid 1735] chdir("./127" [pid 1732] <... bpf resumed>) = 4 [pid 1732] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1735] <... chdir resumed>) = 0 [pid 1735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1735] setpgid(0, 0) = 0 [pid 1735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1732] <... bpf resumed>) = 5 [pid 1735] <... openat resumed>) = 3 [pid 1733] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1735] write(3, "1000", 4 [pid 1733] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1732] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1735] <... write resumed>) = 4 [pid 1735] close(3 [pid 1733] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1732] <... openat resumed>) = 6 [pid 1735] <... close resumed>) = 0 [pid 1732] ioctl(6, PPPIOCNEWUNIT [pid 1733] <... bpf resumed>) = 7 [pid 1732] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1735] symlink("/dev/binderfs", "./binderfs" [pid 1732] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1733] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1732] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1735] <... symlink resumed>) = 0 [pid 1732] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1733] <... bpf resumed>) = 0 [pid 1733] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1732] <... bpf resumed>) = 7 [pid 1732] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1732] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1735] write(1, "executing program\n", 18) = 18 [pid 1735] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 1733] <... bpf resumed>) = 8 [pid 1732] <... bpf resumed>) = 8 [pid 1735] <... bpf resumed>) = 3 [pid 1735] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1732] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1735] <... bpf resumed>) = 0 [pid 1735] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1733] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1732] <... bpf resumed>) = 9 [pid 1733] <... bpf resumed>) = 9 [pid 1732] exit_group(0 [pid 1735] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1733] exit_group(0 [pid 1732] <... exit_group resumed>) = ? [pid 1735] <... bpf resumed>) = 5 [pid 1733] <... exit_group resumed>) = ? [pid 1735] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1732] +++ exited with 0 +++ [pid 1735] <... openat resumed>) = 6 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1735] ioctl(6, PPPIOCNEWUNIT [pid 298] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 298] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 1735] <... ioctl resumed>, 0x20001400) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1735] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1735] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 298] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1735] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1735] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1735] <... bpf resumed>) = 8 [pid 298] newfstatat(AT_FDCWD, "./125/binderfs", [pid 1735] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1735] exit_group(0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1735] <... exit_group resumed>) = ? [pid 298] unlink("./125/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1726] +++ exited with 0 +++ [pid 298] close(3 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... close resumed>) = 0 [pid 298] rmdir("./125") = 0 [pid 297] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] mkdir("./126", 0777) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1739 [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./115/binderfs"./strace-static-x86_64: Process 1739 attached ) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./115" [pid 1739] set_robust_list(0x55555719e760, 24 [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./116", 0777 [pid 1739] <... set_robust_list resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 1739] chdir("./126" [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1740 [pid 1739] <... chdir resumed>) = 0 [pid 1739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1739] setpgid(0, 0) = 0 [pid 1739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1739] write(3, "1000", 4) = 4 [pid 1739] close(3) = 0 [pid 1739] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 1740 attached [pid 1740] set_robust_list(0x55555719e760, 24) = 0 [pid 1739] write(1, "executing program\n", 18executing program [pid 1740] chdir("./116" [pid 1739] <... write resumed>) = 18 [pid 1740] <... chdir resumed>) = 0 [pid 1739] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1739] <... bpf resumed>) = 3 [pid 1740] setpgid(0, 0 [pid 1739] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1740] <... setpgid resumed>) = 0 [pid 1740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1740] write(3, "1000", 4) = 4 [pid 1740] close(3) = 0 [pid 1740] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1739] <... bpf resumed>) = 0 [pid 1740] write(1, "executing program\n", 18 [pid 1739] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program [pid 1740] <... write resumed>) = 18 [pid 1740] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1740] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1740] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1739] <... bpf resumed>) = 4 [pid 1740] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1740] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1740] ioctl(6, PPPIOCNEWUNIT [pid 1739] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1739] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1740] <... ioctl resumed>, 0x20001400) = 0 [pid 1739] <... openat resumed>) = 6 [pid 1733] +++ exited with 0 +++ [pid 1728] +++ exited with 0 +++ [pid 1740] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1740] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1728, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1733, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1740] <... bpf resumed>) = 7 [pid 1740] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1740] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1739] ioctl(6, PPPIOCNEWUNIT [pid 1740] <... bpf resumed>) = 8 [pid 1739] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1740] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 296] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1740] exit_group(0 [pid 296] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 1740] <... exit_group resumed>) = ? [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1739] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./127/binderfs", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1739] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] unlink("./127/binderfs" [pid 295] newfstatat(AT_FDCWD, "./125/binderfs", [pid 1739] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... unlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] getdents64(3, [pid 295] unlink("./125/binderfs" [pid 1739] <... bpf resumed>) = 7 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1739] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] close(3 [pid 295] <... unlink resumed>) = 0 [pid 1739] <... bpf resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 295] getdents64(3, [pid 1739] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] rmdir("./127" [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 295] close(3 [pid 1739] <... bpf resumed>) = 8 [pid 296] mkdir("./128", 0777 [pid 295] <... close resumed>) = 0 [pid 1739] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 296] <... mkdir resumed>) = 0 [pid 295] rmdir("./125" [pid 1739] exit_group(0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1744 attached [pid 1739] <... exit_group resumed>) = ? [pid 295] <... rmdir resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1744 [pid 295] mkdir("./126", 0777 [pid 1744] set_robust_list(0x55555719e760, 24 [pid 1739] +++ exited with 0 +++ [pid 295] <... mkdir resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1744] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 1745 attached [pid 1745] set_robust_list(0x55555719e760, 24) = 0 [pid 1745] chdir("./126") = 0 [pid 1745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1745] setpgid(0, 0) = 0 [pid 1745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1745] write(3, "1000", 4) = 4 [pid 1745] close(3) = 0 [pid 1745] symlink("/dev/binderfs", "./binderfs") = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1745 executing program [pid 1745] write(1, "executing program\n", 18 [pid 298] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1745] <... write resumed>) = 18 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1745] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] getdents64(3, [pid 1744] chdir("./128" [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1745] <... bpf resumed>) = 3 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./126/binderfs" [pid 1745] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1745] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./126") = 0 [pid 298] mkdir("./127", 0777 [pid 1745] <... bpf resumed>) = 4 [pid 1745] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1745] <... bpf resumed>) = 5 [pid 1745] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1745] ioctl(6, PPPIOCNEWUNIT [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1747 [pid 1744] <... chdir resumed>) = 0 [pid 1744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1744] setpgid(0, 0) = 0 [pid 1744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1744] write(3, "1000", 4) = 4 [pid 1744] close(3) = 0 [pid 1744] symlink("/dev/binderfs", "./binderfs" [pid 1745] <... ioctl resumed>, 0x20001400) = 0 [pid 1745] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1744] <... symlink resumed>) = 0 [pid 1745] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1744] write(1, "executing program\n", 18executing program [pid 1745] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1745] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1744] <... write resumed>) = 18 [pid 1744] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 1747 attached ) = 3 [pid 1747] set_robust_list(0x55555719e760, 24 [pid 1744] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1747] <... set_robust_list resumed>) = 0 [pid 1747] chdir("./127" [pid 1744] <... bpf resumed>) = 0 [pid 1745] <... bpf resumed>) = 8 [pid 1744] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1747] <... chdir resumed>) = 0 [pid 1747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1747] setpgid(0, 0) = 0 [pid 1747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1745] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1747] <... openat resumed>) = 3 [pid 1745] <... bpf resumed>) = 9 [pid 1745] exit_group(0 [pid 1747] write(3, "1000", 4) = 4 [pid 1745] <... exit_group resumed>) = ? executing program [pid 1747] close(3) = 0 [pid 1747] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1747] write(1, "executing program\n", 18) = 18 [pid 1744] <... bpf resumed>) = 4 [pid 1747] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1744] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1747] <... bpf resumed>) = 3 [pid 1747] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1747] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1744] <... bpf resumed>) = 5 [pid 1747] <... bpf resumed>) = 4 [pid 1744] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1744] ioctl(6, PPPIOCNEWUNIT [pid 1747] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1747] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1747] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1744] <... ioctl resumed>, 0x20001400) = 0 [pid 1747] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1744] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1747] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1744] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1747] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1744] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1747] <... bpf resumed>) = 7 [pid 1744] <... bpf resumed>) = 7 [pid 1744] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1747] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1744] <... bpf resumed>) = 0 [pid 1744] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1747] <... bpf resumed>) = 0 [pid 1747] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1744] <... bpf resumed>) = 8 [pid 1744] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1747] <... bpf resumed>) = 8 [pid 1744] exit_group(0) = ? [pid 1747] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1747] exit_group(0) = ? [pid 1747] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./127/binderfs" [pid 1735] +++ exited with 0 +++ [pid 298] <... unlink resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] getdents64(3, [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./127" [pid 299] <... restart_syscall resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./128", 0777) = 0 [pid 299] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1750 [pid 299] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./127/binderfs") = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./127") = 0 [pid 299] mkdir("./128", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1751 ./strace-static-x86_64: Process 1751 attached [pid 1751] set_robust_list(0x55555719e760, 24) = 0 ./strace-static-x86_64: Process 1750 attached [pid 1751] chdir("./128" [pid 1750] set_robust_list(0x55555719e760, 24) = 0 [pid 1750] chdir("./128" [pid 1751] <... chdir resumed>) = 0 [pid 1751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1751] setpgid(0, 0 [pid 1750] <... chdir resumed>) = 0 [pid 1751] <... setpgid resumed>) = 0 [pid 1750] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1750] <... prctl resumed>) = 0 [pid 1750] setpgid(0, 0) = 0 [pid 1750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1751] <... openat resumed>) = 3 [pid 1750] <... openat resumed>) = 3 [pid 1751] write(3, "1000", 4) = 4 [pid 1751] close(3) = 0 [pid 1750] write(3, "1000", 4) = 4 [pid 1751] symlink("/dev/binderfs", "./binderfs" [pid 1750] close(3 [pid 1751] <... symlink resumed>) = 0 [pid 1750] <... close resumed>) = 0 [pid 1750] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1751] write(1, "executing program\n", 18) = 18 executing program [pid 1751] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72executing program [pid 1750] write(1, "executing program\n", 18) = 18 [pid 1750] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1740] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 1751] <... bpf resumed>) = 3 [pid 1751] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1751] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... restart_syscall resumed>) = 0 [pid 297] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./116/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1750] <... bpf resumed>) = 3 [pid 297] unlink("./116/binderfs" [pid 1750] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 297] <... unlink resumed>) = 0 [pid 1750] <... bpf resumed>) = 0 [pid 297] getdents64(3, [pid 1751] <... bpf resumed>) = 4 [pid 1750] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1751] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1750] <... bpf resumed>) = 4 [pid 297] close(3 [pid 1750] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] <... close resumed>) = 0 [pid 297] rmdir("./116") = 0 [pid 297] mkdir("./117", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1753 ./strace-static-x86_64: Process 1753 attached [pid 1753] set_robust_list(0x55555719e760, 24) = 0 [pid 1753] chdir("./117") = 0 [pid 1753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1753] setpgid(0, 0) = 0 [pid 1753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1753] write(3, "1000", 4) = 4 [pid 1753] close(3) = 0 [pid 1753] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1753] write(1, "executing program\n", 18executing program ) = 18 [pid 1753] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1745] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1745, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1753] <... bpf resumed>) = 3 [pid 1744] +++ exited with 0 +++ [pid 1753] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1744, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 1753] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./126/binderfs", [pid 296] <... restart_syscall resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./126/binderfs" [pid 1753] <... bpf resumed>) = 4 [pid 295] <... unlink resumed>) = 0 [pid 1753] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] close(3 [pid 296] <... openat resumed>) = 3 [pid 295] <... close resumed>) = 0 [pid 296] newfstatat(3, "", [pid 295] rmdir("./126" [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 295] <... rmdir resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] mkdir("./127", 0777 [pid 296] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... mkdir resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] newfstatat(AT_FDCWD, "./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1754 [pid 296] unlink("./128/binderfs") = 0 executing program ./strace-static-x86_64: Process 1754 attached [pid 296] getdents64(3, [pid 1754] set_robust_list(0x55555719e760, 24) = 0 [pid 1754] chdir("./127") = 0 [pid 1754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1754] setpgid(0, 0) = 0 [pid 1754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1754] write(3, "1000", 4) = 4 [pid 1754] close(3) = 0 [pid 1754] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1754] write(1, "executing program\n", 18) = 18 [pid 1754] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1754] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1754] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1754] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./128") = 0 [pid 296] mkdir("./129", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1755 attached , child_tidptr=0x55555719e750) = 1755 [pid 1755] set_robust_list(0x55555719e760, 24) = 0 [pid 1755] chdir("./129") = 0 [pid 1755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1755] setpgid(0, 0) = 0 [pid 1755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1755] write(3, "1000", 4) = 4 [pid 1755] close(3) = 0 [pid 1755] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1755] write(1, "executing program\n", 18) = 18 [pid 1755] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1755] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1755] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1755] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1751] <... bpf resumed>) = 5 [pid 1753] <... bpf resumed>) = 5 [pid 1751] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1750] <... bpf resumed>) = 5 [pid 1753] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1751] <... openat resumed>) = 6 [pid 1750] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1755] <... bpf resumed>) = 5 [pid 1754] <... bpf resumed>) = 5 [pid 1753] <... openat resumed>) = 6 [pid 1751] ioctl(6, PPPIOCNEWUNIT [pid 1750] <... openat resumed>) = 6 [pid 1753] ioctl(6, PPPIOCNEWUNIT [pid 1750] ioctl(6, PPPIOCNEWUNIT [pid 1755] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1755] ioctl(6, PPPIOCNEWUNIT [pid 1751] <... ioctl resumed>, 0x20001400) = 0 [pid 1754] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1751] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1755] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1755] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1753] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1751] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1750] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1753] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1750] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1751] <... bpf resumed>) = 7 [pid 1753] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1750] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1753] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1751] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1750] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1754] <... openat resumed>) = 6 [pid 1753] <... bpf resumed>) = 7 [pid 1751] <... bpf resumed>) = 0 [pid 1755] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1750] <... bpf resumed>) = 7 [pid 1755] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1754] ioctl(6, PPPIOCNEWUNIT [pid 1753] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1751] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1750] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1755] <... bpf resumed>) = 7 [pid 1753] <... bpf resumed>) = 0 [pid 1755] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1751] <... bpf resumed>) = 8 [pid 1755] <... bpf resumed>) = 0 [pid 1754] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1753] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1751] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1750] <... bpf resumed>) = 0 [pid 1754] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1755] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1754] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1753] <... bpf resumed>) = 8 [pid 1751] <... bpf resumed>) = 9 [pid 1750] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1755] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1753] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1751] exit_group(0 [pid 1755] <... bpf resumed>) = 9 [pid 1755] exit_group(0) = ? [pid 1750] <... bpf resumed>) = 8 [pid 1755] +++ exited with 0 +++ [pid 1754] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1753] <... bpf resumed>) = 9 [pid 1751] <... exit_group resumed>) = ? [pid 1750] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1753] exit_group(0) = ? [pid 1750] <... bpf resumed>) = 9 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1755, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1754] <... bpf resumed>) = 7 [pid 1754] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1754] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1753] +++ exited with 0 +++ [pid 1750] exit_group(0 [pid 1754] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1750] <... exit_group resumed>) = ? [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1753, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1754] <... bpf resumed>) = 9 [pid 1754] exit_group(0) = ? [pid 297] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1754] +++ exited with 0 +++ [pid 1750] +++ exited with 0 +++ [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1750, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] newfstatat(3, "", [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 296] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1754, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... restart_syscall resumed>) = 0 [pid 296] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... restart_syscall resumed>) = 0 [pid 297] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] <... openat resumed>) = 3 [pid 297] newfstatat(AT_FDCWD, "./117/binderfs", [pid 296] newfstatat(3, "", [pid 298] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] unlink("./117/binderfs" [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 298] <... openat resumed>) = 3 [pid 297] getdents64(3, [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(3, "", [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] close(3 [pid 295] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] getdents64(3, [pid 297] <... close resumed>) = 0 [pid 296] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] rmdir("./117" [pid 295] <... openat resumed>) = 3 [pid 298] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... rmdir resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(3, "", [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] mkdir("./118", 0777 [pid 296] newfstatat(AT_FDCWD, "./129/binderfs", [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] newfstatat(AT_FDCWD, "./128/binderfs", [pid 297] <... mkdir resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] unlink("./129/binderfs" [pid 295] getdents64(3, ./strace-static-x86_64: Process 1757 attached [pid 298] unlink("./128/binderfs" [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1757 [pid 296] <... unlink resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1757] set_robust_list(0x55555719e760, 24 [pid 298] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 295] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 295] newfstatat(AT_FDCWD, "./127/binderfs", [pid 298] close(3 [pid 296] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... close resumed>) = 0 [pid 296] rmdir("./129" [pid 295] unlink("./127/binderfs" [pid 298] rmdir("./128" [pid 296] <... rmdir resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 1757] <... set_robust_list resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 296] mkdir("./130", 0777 [pid 295] getdents64(3, [pid 298] mkdir("./129", 0777 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1757] chdir("./118" [pid 296] <... mkdir resumed>) = 0 [pid 295] close(3 [pid 298] <... mkdir resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] rmdir("./127" [pid 1757] <... chdir resumed>) = 0 [pid 1757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1751] +++ exited with 0 +++ [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1759 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1760 [pid 295] <... rmdir resumed>) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1751, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] mkdir("./128", 0777 [pid 1757] setpgid(0, 0 [pid 299] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... mkdir resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1757] <... setpgid resumed>) = 0 [pid 1757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1761 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 1757] <... openat resumed>) = 3 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./128/binderfs", [pid 1757] write(3, "1000", 4 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1757] <... write resumed>) = 4 [pid 299] unlink("./128/binderfs" [pid 1757] close(3 [pid 299] <... unlink resumed>) = 0 [pid 1757] <... close resumed>) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./128" [pid 1757] symlink("/dev/binderfs", "./binderfs" [pid 299] <... rmdir resumed>) = 0 [pid 1757] <... symlink resumed>) = 0 [pid 299] mkdir("./129", 0777executing program [pid 1757] write(1, "executing program\n", 18) = 18 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1759 attached [pid 1757] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1759] set_robust_list(0x55555719e760, 24) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1762 [pid 1759] chdir("./129" [pid 1757] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 1761 attached [pid 1759] <... chdir resumed>) = 0 [pid 1761] set_robust_list(0x55555719e760, 24 [pid 1759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1761] <... set_robust_list resumed>) = 0 [pid 1759] <... prctl resumed>) = 0 [pid 1757] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4./strace-static-x86_64: Process 1760 attached [pid 1761] chdir("./128" [pid 1759] setpgid(0, 0) = 0 [pid 1761] <... chdir resumed>) = 0 [pid 1760] set_robust_list(0x55555719e760, 24 [pid 1759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1757] <... bpf resumed>) = 0 [pid 1761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1760] <... set_robust_list resumed>) = 0 [pid 1759] <... openat resumed>) = 3 [pid 1757] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 1762 attached [pid 1761] <... prctl resumed>) = 0 [pid 1760] chdir("./130" [pid 1759] write(3, "1000", 4 [pid 1757] <... bpf resumed>) = 4 [pid 1762] set_robust_list(0x55555719e760, 24 [pid 1761] setpgid(0, 0 [pid 1759] <... write resumed>) = 4 [pid 1762] <... set_robust_list resumed>) = 0 [pid 1761] <... setpgid resumed>) = 0 [pid 1759] close(3 [pid 1761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1760] <... chdir resumed>) = 0 [pid 1759] <... close resumed>) = 0 [pid 1757] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1762] chdir("./129" [pid 1761] <... openat resumed>) = 3 executing program [pid 1760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1759] symlink("/dev/binderfs", "./binderfs" [pid 1762] <... chdir resumed>) = 0 [pid 1761] write(3, "1000", 4 [pid 1759] <... symlink resumed>) = 0 [pid 1761] <... write resumed>) = 4 [pid 1762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1761] close(3 [pid 1762] <... prctl resumed>) = 0 [pid 1759] write(1, "executing program\n", 18 [pid 1762] setpgid(0, 0 [pid 1761] <... close resumed>) = 0 [pid 1759] <... write resumed>) = 18 [pid 1762] <... setpgid resumed>) = 0 [pid 1761] symlink("/dev/binderfs", "./binderfs" [pid 1760] <... prctl resumed>) = 0 [pid 1759] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1761] <... symlink resumed>) = 0 [pid 1760] setpgid(0, 0 [pid 1762] <... openat resumed>) = 3 [pid 1761] write(1, "executing program\n", 18executing program [pid 1760] <... setpgid resumed>) = 0 [pid 1759] <... bpf resumed>) = 3 [pid 1762] write(3, "1000", 4 [pid 1761] <... write resumed>) = 18 [pid 1760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1759] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1762] <... write resumed>) = 4 [pid 1761] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1760] <... openat resumed>) = 3 [pid 1759] <... bpf resumed>) = 0 [pid 1762] close(3 [pid 1761] <... bpf resumed>) = 3 [pid 1760] write(3, "1000", 4 [pid 1759] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1762] <... close resumed>) = 0 [pid 1761] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1760] <... write resumed>) = 4 [pid 1760] close(3 [pid 1762] symlink("/dev/binderfs", "./binderfs" [pid 1761] <... bpf resumed>) = 0 [pid 1760] <... close resumed>) = 0 [pid 1759] <... bpf resumed>) = 4 [pid 1762] <... symlink resumed>) = 0 [pid 1761] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1760] symlink("/dev/binderfs", "./binderfs"executing program executing program [pid 1759] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1762] write(1, "executing program\n", 18 [pid 1761] <... bpf resumed>) = 4 [pid 1760] <... symlink resumed>) = 0 [pid 1757] <... bpf resumed>) = 5 [pid 1762] <... write resumed>) = 18 [pid 1761] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1760] write(1, "executing program\n", 18 [pid 1759] <... bpf resumed>) = 5 [pid 1757] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1760] <... write resumed>) = 18 [pid 1757] <... openat resumed>) = 6 [pid 1762] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1761] <... bpf resumed>) = 5 [pid 1760] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1759] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1757] ioctl(6, PPPIOCNEWUNIT [pid 1762] <... bpf resumed>) = 3 [pid 1761] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1760] <... bpf resumed>) = 3 [pid 1759] <... openat resumed>) = 6 [pid 1757] <... ioctl resumed>, 0x20001400) = 0 [pid 1762] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1761] <... openat resumed>) = 6 [pid 1760] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1759] ioctl(6, PPPIOCNEWUNIT [pid 1757] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1762] <... bpf resumed>) = 0 [pid 1761] ioctl(6, PPPIOCNEWUNIT [pid 1760] <... bpf resumed>) = 0 [pid 1759] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1757] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1762] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1761] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1760] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1759] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1757] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1762] <... bpf resumed>) = 4 [pid 1761] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1760] <... bpf resumed>) = 4 [pid 1759] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1757] <... bpf resumed>) = 7 [pid 1762] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1761] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1760] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1759] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1757] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1762] <... bpf resumed>) = 5 [pid 1761] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1760] <... bpf resumed>) = 5 [pid 1759] <... bpf resumed>) = 7 [pid 1757] <... bpf resumed>) = 0 [pid 1762] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1761] <... bpf resumed>) = 7 [pid 1760] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1759] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1757] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1762] <... openat resumed>) = 6 [pid 1761] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1760] <... openat resumed>) = 6 [pid 1759] <... bpf resumed>) = 0 [pid 1757] <... bpf resumed>) = 8 [pid 1762] ioctl(6, PPPIOCNEWUNIT [pid 1761] <... bpf resumed>) = 0 [pid 1760] ioctl(6, PPPIOCNEWUNIT [pid 1757] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1760] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1759] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1757] <... bpf resumed>) = 9 [pid 1762] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1761] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1760] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1757] exit_group(0 [pid 1762] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1760] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1759] <... bpf resumed>) = 8 [pid 1757] <... exit_group resumed>) = ? [pid 1762] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1761] <... bpf resumed>) = 8 [pid 1760] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1759] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1762] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1761] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1760] <... bpf resumed>) = 7 [pid 1759] <... bpf resumed>) = 9 [pid 1762] <... bpf resumed>) = 7 [pid 1761] <... bpf resumed>) = 9 [pid 1760] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1762] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1761] exit_group(0 [pid 1760] <... bpf resumed>) = 0 [pid 1759] exit_group(0 [pid 1762] <... bpf resumed>) = 0 [pid 1761] <... exit_group resumed>) = ? [pid 1760] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1759] <... exit_group resumed>) = ? [pid 1762] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1761] +++ exited with 0 +++ [pid 1760] <... bpf resumed>) = 8 [pid 1760] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1759] +++ exited with 0 +++ [pid 1760] <... bpf resumed>) = 9 [pid 1760] exit_group(0) = ? [pid 1762] <... bpf resumed>) = 8 [pid 1760] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1759, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1762] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1760, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1762] exit_group(0 [pid 298] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1762] <... exit_group resumed>) = ? [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1762] +++ exited with 0 +++ [pid 298] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1762, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... openat resumed>) = 3 [pid 296] <... openat resumed>) = 3 [pid 295] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", [pid 296] newfstatat(3, "", [pid 295] newfstatat(3, "", [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] getdents64(3, [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... openat resumed>) = 3 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(3, "", [pid 298] newfstatat(AT_FDCWD, "./129/binderfs", [pid 296] newfstatat(AT_FDCWD, "./130/binderfs", [pid 295] newfstatat(AT_FDCWD, "./128/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] getdents64(3, [pid 298] unlink("./129/binderfs" [pid 296] unlink("./130/binderfs" [pid 295] unlink("./128/binderfs" [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 299] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] getdents64(3, [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] newfstatat(AT_FDCWD, "./129/binderfs", [pid 298] close(3 [pid 296] close(3 [pid 295] close(3 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 299] unlink("./129/binderfs" [pid 298] rmdir("./129" [pid 296] rmdir("./130" [pid 295] rmdir("./128" [pid 299] <... unlink resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./129") = 0 [pid 298] mkdir("./130", 0777 [pid 296] mkdir("./131", 0777 [pid 299] mkdir("./130", 0777 [pid 298] <... mkdir resumed>) = 0 [pid 295] mkdir("./129", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... mkdir resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1770 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1769 ./strace-static-x86_64: Process 1770 attached [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1772 [pid 1770] set_robust_list(0x55555719e760, 24 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1773 [pid 1770] <... set_robust_list resumed>) = 0 [pid 1770] chdir("./130") = 0 [pid 1770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1770] setpgid(0, 0./strace-static-x86_64: Process 1773 attached ./strace-static-x86_64: Process 1769 attached [pid 1773] set_robust_list(0x55555719e760, 24 [pid 1769] set_robust_list(0x55555719e760, 24 [pid 1773] <... set_robust_list resumed>) = 0 [pid 1769] <... set_robust_list resumed>) = 0 [pid 1773] chdir("./129" [pid 1769] chdir("./130" [pid 1773] <... chdir resumed>) = 0 [pid 1769] <... chdir resumed>) = 0 [pid 1773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1773] <... prctl resumed>) = 0 [pid 1769] <... prctl resumed>) = 0 [pid 1773] setpgid(0, 0 [pid 1769] setpgid(0, 0 [pid 1773] <... setpgid resumed>) = 0 [pid 1769] <... setpgid resumed>) = 0 [pid 1773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1773] <... openat resumed>) = 3 [pid 1769] <... openat resumed>) = 3 [pid 1773] write(3, "1000", 4 [pid 1769] write(3, "1000", 4 [pid 1773] <... write resumed>) = 4 [pid 1773] close(3 [pid 1769] <... write resumed>) = 4 [pid 1773] <... close resumed>) = 0 [pid 1769] close(3 [pid 1773] symlink("/dev/binderfs", "./binderfs" [pid 1769] <... close resumed>) = 0 [pid 1770] <... setpgid resumed>) = 0 [pid 1773] <... symlink resumed>) = 0 [pid 1769] symlink("/dev/binderfs", "./binderfs" [pid 1773] write(1, "executing program\n", 18executing program [pid 1769] <... symlink resumed>) = 0 [pid 1773] <... write resumed>) = 18 [pid 1769] write(1, "executing program\n", 18executing program [pid 1773] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1769] <... write resumed>) = 18 [pid 1773] <... bpf resumed>) = 3 [pid 1769] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1773] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1769] <... bpf resumed>) = 3 [pid 1773] <... bpf resumed>) = 0 [pid 1769] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1773] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1769] <... bpf resumed>) = 0 [pid 1770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1773] <... bpf resumed>) = 4 [pid 1773] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1769] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1773] <... bpf resumed>) = 5 [pid 1769] <... bpf resumed>) = 4 [pid 1773] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1769] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1773] <... openat resumed>) = 6 [pid 1773] ioctl(6, PPPIOCNEWUNIT [pid 1770] <... openat resumed>) = 3 [pid 1769] <... bpf resumed>) = 5 [pid 1770] write(3, "1000", 4) = 4 [pid 1770] close(3) = 0 [pid 1770] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1773] <... ioctl resumed>, 0x20001400) = 0 [pid 1770] write(1, "executing program\n", 18 [pid 1769] openat(AT_FDCWD, "/dev/ppp", O_RDONLYexecuting program [pid 1773] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1770] <... write resumed>) = 18 [pid 1769] <... openat resumed>) = 6 [pid 1757] +++ exited with 0 +++ [pid 1770] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1769] ioctl(6, PPPIOCNEWUNIT [pid 1770] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1769] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1773] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1769] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1773] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1769] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1772 attached [pid 1773] <... bpf resumed>) = 7 [pid 1770] <... bpf resumed>) = 0 [pid 1769] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1773] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1772] set_robust_list(0x55555719e760, 24 [pid 1770] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1769] <... bpf resumed>) = 7 [pid 1773] <... bpf resumed>) = 0 [pid 1772] <... set_robust_list resumed>) = 0 [pid 1770] <... bpf resumed>) = 4 [pid 1769] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1773] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1772] chdir("./131" [pid 1770] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1769] <... bpf resumed>) = 0 [pid 1772] <... chdir resumed>) = 0 [pid 1770] <... bpf resumed>) = 5 [pid 297] <... openat resumed>) = 3 [pid 1773] <... bpf resumed>) = 8 [pid 1772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1770] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1769] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] newfstatat(3, "", [pid 1773] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1772] <... prctl resumed>) = 0 [pid 1770] <... openat resumed>) = 6 [pid 1769] <... bpf resumed>) = 8 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1773] <... bpf resumed>) = 9 [pid 1772] setpgid(0, 0 [pid 1770] ioctl(6, PPPIOCNEWUNIT [pid 1769] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] getdents64(3, [pid 1773] exit_group(0 [pid 1772] <... setpgid resumed>) = 0 [pid 1770] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1770] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1772] <... openat resumed>) = 3 [pid 1770] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1772] write(3, "1000", 4 [pid 1770] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1773] <... exit_group resumed>) = ? [pid 1772] <... write resumed>) = 4 [pid 1770] <... bpf resumed>) = 7 [pid 1769] <... bpf resumed>) = 9 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1772] close(3 [pid 1770] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1772] <... close resumed>) = 0 [pid 1770] <... bpf resumed>) = 0 [pid 1769] exit_group(0 [pid 297] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1772] symlink("/dev/binderfs", "./binderfs" [pid 1770] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1772] <... symlink resumed>) = 0 [pid 1770] <... bpf resumed>) = 8 [pid 1769] <... exit_group resumed>) = ? executing program [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1772] write(1, "executing program\n", 18 [pid 1770] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1772] <... write resumed>) = 18 [pid 1770] <... bpf resumed>) = 9 [pid 1769] +++ exited with 0 +++ [pid 1772] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1770] exit_group(0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1769, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] newfstatat(AT_FDCWD, "./118/binderfs", [pid 1772] <... bpf resumed>) = 3 [pid 1770] <... exit_group resumed>) = ? [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1772] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 297] unlink("./118/binderfs" [pid 1772] <... bpf resumed>) = 0 [pid 1772] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... unlink resumed>) = 0 [pid 1772] <... bpf resumed>) = 4 [pid 297] getdents64(3, [pid 1772] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3 [pid 298] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... close resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] rmdir("./118" [pid 298] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] <... rmdir resumed>) = 0 [pid 298] newfstatat(3, "", [pid 297] mkdir("./119", 0777 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 1770] +++ exited with 0 +++ [pid 298] getdents64(3, [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1772] <... bpf resumed>) = 5 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1772] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1770, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1777 [pid 1772] <... openat resumed>) = 6 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1772] ioctl(6, PPPIOCNEWUNIT [pid 298] newfstatat(AT_FDCWD, "./130/binderfs", [pid 299] <... restart_syscall resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./130/binderfs") = 0 [pid 299] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] getdents64(3, [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] close(3 [pid 299] <... openat resumed>) = 3 [pid 298] <... close resumed>) = 0 [pid 299] newfstatat(3, "", [pid 298] rmdir("./130" [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./131", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1772] <... ioctl resumed>, 0x20001400) = 0 [pid 299] getdents64(3, [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1778 ./strace-static-x86_64: Process 1778 attached [pid 1778] set_robust_list(0x55555719e760, 24) = 0 [pid 1772] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1772] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1772] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] newfstatat(AT_FDCWD, "./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1772] <... bpf resumed>) = 7 [pid 299] unlink("./130/binderfs") = 0 [pid 1772] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] getdents64(3, [pid 1772] <... bpf resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1772] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] close(3 [pid 1778] chdir("./131" [pid 299] <... close resumed>) = 0 [pid 1778] <... chdir resumed>) = 0 [pid 299] rmdir("./130" [pid 1778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1778] setpgid(0, 0) = 0 [pid 1778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... rmdir resumed>) = 0 [pid 1778] <... openat resumed>) = 3 [pid 299] mkdir("./131", 0777 [pid 1778] write(3, "1000", 4 [pid 299] <... mkdir resumed>) = 0 [pid 1772] <... bpf resumed>) = 8 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1778] <... write resumed>) = 4 [pid 1778] close(3) = 0 [pid 1778] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1772] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1778] write(1, "executing program\n", 18 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1779 [pid 1778] <... write resumed>) = 18 [pid 1778] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1772] <... bpf resumed>) = 9 [pid 1772] exit_group(0) = ? [pid 1778] <... bpf resumed>) = 3 [pid 1778] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1778] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1778] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1778] openat(AT_FDCWD, "/dev/ppp", O_RDONLY./strace-static-x86_64: Process 1779 attached [pid 1779] set_robust_list(0x55555719e760, 24) = 0 [pid 1779] chdir("./131" [pid 1778] <... openat resumed>) = 6 [pid 1778] ioctl(6, PPPIOCNEWUNITexecuting program [pid 1779] <... chdir resumed>) = 0 [pid 1779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1779] setpgid(0, 0) = 0 [pid 1779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1779] write(3, "1000", 4) = 4 [pid 1779] close(3) = 0 [pid 1779] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1779] write(1, "executing program\n", 18) = 18 [pid 1779] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1779] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1779] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1779] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1779] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1779] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1777 attached [pid 1777] set_robust_list(0x55555719e760, 24) = 0 [pid 1777] chdir("./119" [pid 1778] <... ioctl resumed>, 0x20001400) = 0 [pid 1779] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1779] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1779] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1778] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1779] <... bpf resumed>) = 7 [pid 1779] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1779] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1778] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1778] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1779] <... bpf resumed>) = 8 [pid 1779] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1779] exit_group(0) = ? [pid 1778] <... bpf resumed>) = 7 [pid 1778] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1778] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1779] +++ exited with 0 +++ [pid 1777] <... chdir resumed>) = 0 [pid 1777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1777] setpgid(0, 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1777] <... setpgid resumed>) = 0 [pid 299] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] getdents64(3, [pid 1778] <... bpf resumed>) = 8 [pid 1777] <... openat resumed>) = 3 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1777] write(3, "1000", 4 [pid 299] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1778] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1777] <... write resumed>) = 4 [pid 299] newfstatat(AT_FDCWD, "./131/binderfs", [pid 1778] <... bpf resumed>) = 9 [pid 1777] close(3) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1778] exit_group(0 [pid 299] unlink("./131/binderfs" [pid 1777] symlink("/dev/binderfs", "./binderfs"executing program [pid 1778] <... exit_group resumed>) = ? [pid 299] <... unlink resumed>) = 0 [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 1777] <... symlink resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 1777] write(1, "executing program\n", 18 [pid 299] rmdir("./131" [pid 1777] <... write resumed>) = 18 [pid 1777] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... rmdir resumed>) = 0 [pid 1777] <... bpf resumed>) = 3 [pid 299] mkdir("./132", 0777 [pid 1777] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1777] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1777] <... bpf resumed>) = 4 [pid 1777] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1781 [pid 1777] <... bpf resumed>) = 5 [pid 1777] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1777] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1781 attached [pid 1781] set_robust_list(0x55555719e760, 24) = 0 [pid 1781] chdir("./132") = 0 [pid 1781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1781] setpgid(0, 0) = 0 [pid 1781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1773] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1773, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1777] <... ioctl resumed>, 0x20001400) = 0 [pid 1777] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1777] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1777] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 1777] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1777] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1777] <... bpf resumed>) = 9 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1781] write(3, "1000", 4 [pid 1777] exit_group(0 [pid 295] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1781] <... write resumed>) = 4 [pid 1777] <... exit_group resumed>) = ? [pid 295] <... openat resumed>) = 3 [pid 1781] close(3 [pid 295] newfstatat(3, "", [pid 1781] <... close resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1781] symlink("/dev/binderfs", "./binderfs" [pid 295] getdents64(3, [pid 1781] <... symlink resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 executing program [pid 1781] write(1, "executing program\n", 18 [pid 295] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1781] <... write resumed>) = 18 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1781] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] newfstatat(AT_FDCWD, "./129/binderfs", [pid 1781] <... bpf resumed>) = 3 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1781] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 295] unlink("./129/binderfs" [pid 1781] <... bpf resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 1781] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] getdents64(3, [pid 1781] <... bpf resumed>) = 4 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1781] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] close(3 [pid 1781] <... bpf resumed>) = 5 [pid 295] <... close resumed>) = 0 [pid 1781] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] rmdir("./129" [pid 1781] <... openat resumed>) = 6 [pid 295] <... rmdir resumed>) = 0 [pid 1781] ioctl(6, PPPIOCNEWUNIT [pid 295] mkdir("./130", 0777 [pid 1781] <... ioctl resumed>, 0x20001400) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 1781] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1781] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1781] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1782 [pid 1781] <... bpf resumed>) = 7 [pid 1781] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1781] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1781] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1781] exit_group(0) = ? ./strace-static-x86_64: Process 1782 attached [pid 1782] set_robust_list(0x55555719e760, 24) = 0 [pid 1782] chdir("./130") = 0 [pid 1782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1782] setpgid(0, 0) = 0 [pid 1782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1782] write(3, "1000", 4) = 4 [pid 1782] close(3) = 0 [pid 1782] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1782] write(1, "executing program\n", 18executing program ) = 18 [pid 1782] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1782] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1782] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1782] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1782] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1782] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1782] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1782] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1782] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1782] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1778] +++ exited with 0 +++ [pid 1772] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1778, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1772, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... openat resumed>) = 3 [pid 296] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", [pid 296] newfstatat(3, "", [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 296] getdents64(3, [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./131/binderfs", [pid 296] newfstatat(AT_FDCWD, "./131/binderfs", [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./131/binderfs" [pid 296] unlink("./131/binderfs" [pid 298] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 298] getdents64(3, [pid 296] getdents64(3, [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 296] close(3 [pid 298] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 298] rmdir("./131" [pid 296] rmdir("./131" [pid 298] <... rmdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 298] mkdir("./132", 0777 [pid 296] mkdir("./132", 0777 [pid 298] <... mkdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1782] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1785 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1786 ./strace-static-x86_64: Process 1786 attached [pid 1782] <... bpf resumed>) = 9 [pid 1786] set_robust_list(0x55555719e760, 24) = 0 [pid 1786] chdir("./132") = 0 [pid 1786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1786] setpgid(0, 0) = 0 [pid 1786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1782] exit_group(0./strace-static-x86_64: Process 1785 attached ) = ? [pid 1785] set_robust_list(0x55555719e760, 24) = 0 [pid 1786] <... openat resumed>) = 3 [pid 1786] write(3, "1000", 4 [pid 1785] chdir("./132" [pid 1786] <... write resumed>) = 4 [pid 1786] close(3 [pid 1785] <... chdir resumed>) = 0 [pid 1786] <... close resumed>) = 0 [pid 1785] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1786] symlink("/dev/binderfs", "./binderfs" [pid 1785] <... prctl resumed>) = 0 [pid 1786] <... symlink resumed>) = 0 [pid 1785] setpgid(0, 0) = 0 [pid 1786] write(1, "executing program\n", 18executing program [pid 1785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1786] <... write resumed>) = 18 [pid 1786] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1786] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1785] <... openat resumed>) = 3 [pid 1786] <... bpf resumed>) = 0 [pid 1785] write(3, "1000", 4 [pid 1786] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1785] <... write resumed>) = 4 [pid 1785] close(3) = 0 [pid 1785] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1785] write(1, "executing program\n", 18 [pid 1786] <... bpf resumed>) = 4 executing program [pid 1785] <... write resumed>) = 18 [pid 1786] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1785] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1786] <... bpf resumed>) = 5 [pid 1785] <... bpf resumed>) = 3 [pid 1786] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1785] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1785] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1786] <... openat resumed>) = 6 [pid 1786] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1785] <... bpf resumed>) = 4 [pid 1785] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1786] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1785] <... bpf resumed>) = 5 [pid 1786] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1785] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1786] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1785] <... openat resumed>) = 6 [pid 1785] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1786] <... bpf resumed>) = 7 [pid 1785] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1786] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1785] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1785] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1786] <... bpf resumed>) = 0 [pid 1786] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1785] <... bpf resumed>) = 7 [pid 1785] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1785] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1785] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1785] exit_group(0 [pid 1781] +++ exited with 0 +++ [pid 1777] +++ exited with 0 +++ [pid 1786] <... bpf resumed>) = 8 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1781, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1786] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1785] <... exit_group resumed>) = ? [pid 299] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./119/binderfs") = 0 [pid 299] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 299] <... openat resumed>) = 3 [pid 297] rmdir("./119" [pid 299] newfstatat(3, "", [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./120", 0777 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1786] <... bpf resumed>) = 9 [pid 299] getdents64(3, [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1788 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 1788 attached [pid 299] unlink("./132/binderfs" [pid 1788] set_robust_list(0x55555719e760, 24) = 0 [pid 299] <... unlink resumed>) = 0 [pid 1788] chdir("./120" [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1788] <... chdir resumed>) = 0 [pid 299] close(3 [pid 1788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1786] exit_group(0 [pid 1785] +++ exited with 0 +++ [pid 1788] <... prctl resumed>) = 0 [pid 1788] setpgid(0, 0 [pid 1786] <... exit_group resumed>) = ? [pid 299] <... close resumed>) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1788] <... setpgid resumed>) = 0 [pid 1788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] rmdir("./132" [pid 1788] <... openat resumed>) = 3 [pid 299] <... rmdir resumed>) = 0 [pid 1788] write(3, "1000", 4) = 4 [pid 299] mkdir("./133", 0777 [pid 298] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1788] close(3) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1788] symlink("/dev/binderfs", "./binderfs" [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1788] <... symlink resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1794 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program [pid 1788] write(1, "executing program\n", 18 [pid 298] getdents64(3, [pid 1788] <... write resumed>) = 18 [pid 1788] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1788] <... bpf resumed>) = 3 [pid 298] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1788] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1788] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] newfstatat(AT_FDCWD, "./132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1788] <... bpf resumed>) = 4 [pid 298] unlink("./132/binderfs" [pid 1788] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 298] <... unlink resumed>) = 0 [pid 1788] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 298] getdents64(3, [pid 1788] ioctl(6, PPPIOCNEWUNIT [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./132" [pid 1788] <... ioctl resumed>, 0x20001400) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./133", 0777./strace-static-x86_64: Process 1794 attached [pid 1788] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1794] set_robust_list(0x55555719e760, 24 [pid 1788] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1788] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1788] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1788] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1795 [pid 1788] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1788] exit_group(0) = ? [pid 1794] <... set_robust_list resumed>) = 0 [pid 1794] chdir("./133") = 0 [pid 1794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1794] setpgid(0, 0) = 0 [pid 1794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1794] write(3, "1000", 4) = 4 [pid 1794] close(3) = 0 [pid 1794] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1794] write(1, "executing program\n", 18) = 18 [pid 1794] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1794] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1794] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1794] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1794] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1794] ioctl(6, PPPIOCNEWUNIT./strace-static-x86_64: Process 1795 attached , 0x20001400) = 0 [pid 1794] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1795] set_robust_list(0x55555719e760, 24) = 0 [pid 1794] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1795] chdir("./133" [pid 1794] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1795] <... chdir resumed>) = 0 [pid 1794] <... bpf resumed>) = 7 [pid 1795] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1794] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1795] <... prctl resumed>) = 0 [pid 1794] <... bpf resumed>) = 0 [pid 1795] setpgid(0, 0 [pid 1794] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1795] <... setpgid resumed>) = 0 [pid 1794] <... bpf resumed>) = 8 [pid 1795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1794] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1795] <... openat resumed>) = 3 [pid 1794] <... bpf resumed>) = 9 [pid 1795] write(3, "1000", 4 [pid 1794] exit_group(0 [pid 1795] <... write resumed>) = 4 [pid 1794] <... exit_group resumed>) = ? [pid 1795] close(3) = 0 [pid 1795] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1795] write(1, "executing program\n", 18executing program ) = 18 [pid 1795] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1795] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1782] +++ exited with 0 +++ [pid 1795] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1782, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 1795] <... bpf resumed>) = 4 [pid 295] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1795] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1795] <... bpf resumed>) = 5 [pid 295] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1795] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] <... openat resumed>) = 3 [pid 1795] <... openat resumed>) = 6 [pid 295] newfstatat(3, "", [pid 1795] ioctl(6, PPPIOCNEWUNIT [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1795] <... ioctl resumed>, 0x20001400) = 0 [pid 295] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1795] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] unlink("./130/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1795] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] close(3 [pid 1795] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] <... close resumed>) = 0 [pid 1795] <... bpf resumed>) = 7 [pid 295] rmdir("./130" [pid 1795] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] <... rmdir resumed>) = 0 [pid 1795] <... bpf resumed>) = 0 [pid 295] mkdir("./131", 0777 [pid 1795] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1801 [pid 1795] <... bpf resumed>) = 8 ./strace-static-x86_64: Process 1801 attached [pid 1795] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1801] set_robust_list(0x55555719e760, 24 [pid 1795] <... bpf resumed>) = 9 [pid 1801] <... set_robust_list resumed>) = 0 [pid 1795] exit_group(0 [pid 1801] chdir("./131" [pid 1795] <... exit_group resumed>) = ? [pid 1801] <... chdir resumed>) = 0 [pid 1801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1801] setpgid(0, 0) = 0 [pid 1801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1801] write(3, "1000", 4) = 4 [pid 1801] close(3) = 0 [pid 1801] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1801] write(1, "executing program\n", 18) = 18 [pid 1801] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1801] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1801] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1786] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1786, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 296] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1788] +++ exited with 0 +++ [pid 1801] <... bpf resumed>) = 4 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1801] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1788, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 296] <... openat resumed>) = 3 [pid 297] <... restart_syscall resumed>) = 0 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 297] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... openat resumed>) = 3 [pid 296] newfstatat(AT_FDCWD, "./132/binderfs", [pid 297] newfstatat(3, "", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] unlink("./132/binderfs" [pid 297] getdents64(3, [pid 296] <... unlink resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] getdents64(3, [pid 297] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] close(3 [pid 297] newfstatat(AT_FDCWD, "./120/binderfs", [pid 296] <... close resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] rmdir("./132" [pid 297] unlink("./120/binderfs" [pid 296] <... rmdir resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 296] mkdir("./133", 0777 [pid 297] getdents64(3, [pid 296] <... mkdir resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] close(3) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1804 [pid 297] rmdir("./120") = 0 [pid 297] mkdir("./121", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1805 ./strace-static-x86_64: Process 1804 attached [pid 1804] set_robust_list(0x55555719e760, 24) = 0 [pid 1804] chdir("./133") = 0 [pid 1804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1804] setpgid(0, 0) = 0 [pid 1804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1804] write(3, "1000", 4) = 4 [pid 1804] close(3) = 0 [pid 1804] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1804] write(1, "executing program\n", 18) = 18 [pid 1804] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1804] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1804] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1804] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 1805 attached [pid 1805] set_robust_list(0x55555719e760, 24) = 0 [pid 1805] chdir("./121") = 0 [pid 1805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1805] setpgid(0, 0) = 0 [pid 1805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1805] write(3, "1000", 4) = 4 [pid 1805] close(3) = 0 [pid 1805] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1805] write(1, "executing program\n", 18executing program ) = 18 [pid 1805] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1805] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1805] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1805] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1801] <... bpf resumed>) = 5 [pid 1794] +++ exited with 0 +++ [pid 1805] <... bpf resumed>) = 5 [pid 1804] <... bpf resumed>) = 5 [pid 1801] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1794, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1805] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1801] <... openat resumed>) = 6 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 1805] <... openat resumed>) = 6 [pid 1801] ioctl(6, PPPIOCNEWUNIT [pid 299] <... restart_syscall resumed>) = 0 [pid 1805] ioctl(6, PPPIOCNEWUNIT [pid 1804] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1801] <... ioctl resumed>, 0x20001400) = 0 [pid 1805] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1801] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1805] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1804] <... openat resumed>) = 6 [pid 1801] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1805] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1801] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1805] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1804] ioctl(6, PPPIOCNEWUNIT [pid 1801] <... bpf resumed>) = 7 [pid 299] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1805] <... bpf resumed>) = 7 [pid 1804] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1804] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1804] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1801] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1804] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1804] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1795] +++ exited with 0 +++ [pid 299] <... openat resumed>) = 3 [pid 1805] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1804] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1801] <... bpf resumed>) = 0 [pid 299] newfstatat(3, "", [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1795, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1805] <... bpf resumed>) = 0 [pid 1804] <... bpf resumed>) = 9 [pid 1801] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1805] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1804] exit_group(0) = ? [pid 1804] +++ exited with 0 +++ [pid 1801] <... bpf resumed>) = 8 [pid 299] getdents64(3, [pid 1805] <... bpf resumed>) = 8 [pid 1801] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1805] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 1801] <... bpf resumed>) = 9 [pid 299] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1801] exit_group(0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... restart_syscall resumed>) = 0 [pid 1805] <... bpf resumed>) = 9 [pid 1801] <... exit_group resumed>) = ? [pid 299] newfstatat(AT_FDCWD, "./133/binderfs", [pid 296] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(3, "", [pid 299] unlink("./133/binderfs" [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... unlink resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] getdents64(3, [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./133/binderfs", [pid 1805] exit_group(0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1805] <... exit_group resumed>) = ? [pid 299] close(3 [pid 298] <... openat resumed>) = 3 [pid 296] unlink("./133/binderfs" [pid 299] <... close resumed>) = 0 [pid 298] newfstatat(3, "", [pid 296] <... unlink resumed>) = 0 [pid 299] rmdir("./133" [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 299] <... rmdir resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 299] mkdir("./134", 0777 [pid 298] getdents64(3, [pid 296] rmdir("./133") = 0 [pid 296] mkdir("./134", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1806 ./strace-static-x86_64: Process 1806 attached [pid 1806] set_robust_list(0x55555719e760, 24) = 0 [pid 1806] chdir("./134") = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1807 [pid 298] newfstatat(AT_FDCWD, "./133/binderfs", [pid 1806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./133/binderfs" [pid 1806] <... prctl resumed>) = 0 [pid 1806] setpgid(0, 0) = 0 [pid 298] <... unlink resumed>) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./133" [pid 1806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./134", 0777 [pid 1806] write(3, "1000", 4) = 4 [pid 1806] close(3) = 0 [pid 1806] symlink("/dev/binderfs", "./binderfs" [pid 298] <... mkdir resumed>) = 0 executing program [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1808 [pid 1806] <... symlink resumed>) = 0 [pid 1806] write(1, "executing program\n", 18) = 18 [pid 1806] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 1808 attached [pid 1808] set_robust_list(0x55555719e760, 24) = 0 [pid 1806] <... bpf resumed>) = 3 [pid 1806] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1806] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1808] chdir("./134") = 0 [pid 1808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1808] setpgid(0, 0) = 0 [pid 1806] <... bpf resumed>) = 4 [pid 1806] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 1807 attached [pid 1807] set_robust_list(0x55555719e760, 24) = 0 [pid 1808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1808] write(3, "1000", 4 [pid 1807] chdir("./134" [pid 1808] <... write resumed>) = 4 [pid 1807] <... chdir resumed>) = 0 [pid 1807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1807] setpgid(0, 0) = 0 [pid 1807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1808] close(3) = 0 [pid 1808] symlink("/dev/binderfs", "./binderfs" [pid 1807] <... openat resumed>) = 3 [pid 1807] write(3, "1000", 4) = 4 [pid 1807] close(3) = 0 [pid 1807] symlink("/dev/binderfs", "./binderfs" [pid 1808] <... symlink resumed>) = 0 [pid 1808] write(1, "executing program\n", 18executing program ) = 18 [pid 1807] <... symlink resumed>) = 0 [pid 1807] write(1, "executing program\n", 18 [pid 1808] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1805] +++ exited with 0 +++ [pid 1808] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1806] <... bpf resumed>) = 5 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1805, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1806] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1808] <... bpf resumed>) = 0 [pid 1806] <... openat resumed>) = 6 [pid 1806] ioctl(6, PPPIOCNEWUNIT [pid 297] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1808] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1808] <... bpf resumed>) = 4 [pid 1806] <... ioctl resumed>, 0x20001400) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1808] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1807] <... write resumed>) = 18 [pid 1806] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] unlink("./121/binderfs" [pid 1808] <... bpf resumed>) = 5 [pid 1807] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1806] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] <... unlink resumed>) = 0 [pid 1808] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1807] <... bpf resumed>) = 3 [pid 1806] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] getdents64(3, [pid 1808] <... openat resumed>) = 6 [pid 1807] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1806] <... bpf resumed>) = 7 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1808] ioctl(6, PPPIOCNEWUNIT [pid 1807] <... bpf resumed>) = 0 [pid 1806] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] close(3 [pid 1808] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1807] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1806] <... bpf resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 1808] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1807] <... bpf resumed>) = 4 [pid 1806] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] rmdir("./121" [pid 1808] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1807] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1806] <... bpf resumed>) = 8 [pid 297] <... rmdir resumed>) = 0 [pid 1808] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1807] <... bpf resumed>) = 5 [pid 1806] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] mkdir("./122", 0777 [pid 1808] <... bpf resumed>) = 7 [pid 1807] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1806] <... bpf resumed>) = 9 [pid 297] <... mkdir resumed>) = 0 [pid 1808] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1807] <... openat resumed>) = 6 [pid 1806] exit_group(0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1808] <... bpf resumed>) = 0 [pid 1807] ioctl(6, PPPIOCNEWUNIT [pid 1806] <... exit_group resumed>) = ? [pid 1808] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1807] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1810 [pid 1808] <... bpf resumed>) = 8 [pid 1807] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1808] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1807] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1808] <... bpf resumed>) = 9 [pid 1807] <... bpf resumed>) = 7 [pid 1807] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1808] exit_group(0 [pid 1807] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1808] <... exit_group resumed>) = ? [pid 1807] <... bpf resumed>) = 8 [pid 1807] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1807] exit_group(0) = ? [pid 1808] +++ exited with 0 +++ [pid 1807] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1807, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1808, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 1810 attached [pid 299] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1810] set_robust_list(0x55555719e760, 24 [pid 298] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1810] <... set_robust_list resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 298] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] newfstatat(3, "", [pid 298] <... openat resumed>) = 3 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] newfstatat(3, "", [pid 299] getdents64(3, [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] getdents64(3, [pid 299] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] newfstatat(AT_FDCWD, "./134/binderfs", [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] newfstatat(AT_FDCWD, "./134/binderfs", [pid 299] unlink("./134/binderfs" [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... unlink resumed>) = 0 [pid 298] unlink("./134/binderfs" [pid 299] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... unlink resumed>) = 0 [pid 299] close(3 [pid 298] getdents64(3, [pid 299] <... close resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] rmdir("./134" [pid 298] close(3 [pid 299] <... rmdir resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 299] mkdir("./135", 0777 [pid 298] rmdir("./134" [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./135", 0777./strace-static-x86_64: Process 1811 attached [pid 1811] set_robust_list(0x55555719e760, 24) = 0 [pid 1811] chdir("./135" [pid 298] <... mkdir resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1811 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1811] <... chdir resumed>) = 0 [pid 1811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1811] setpgid(0, 0) = 0 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1812 [pid 1810] chdir("./122" [pid 1811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1810] <... chdir resumed>) = 0 [pid 1811] <... openat resumed>) = 3 [pid 1811] write(3, "1000", 4) = 4 [pid 1811] close(3) = 0 [pid 1811] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 1812 attached executing program ) = 0 [pid 1810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1811] write(1, "executing program\n", 18) = 18 [pid 1811] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1810] <... prctl resumed>) = 0 [pid 1812] set_robust_list(0x55555719e760, 24) = 0 [pid 1810] setpgid(0, 0) = 0 [pid 1811] <... bpf resumed>) = 3 [pid 1811] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1811] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1812] chdir("./135" [pid 1810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1812] <... chdir resumed>) = 0 [pid 1810] <... openat resumed>) = 3 [pid 1810] write(3, "1000", 4 [pid 1812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1811] <... bpf resumed>) = 4 [pid 1810] <... write resumed>) = 4 [pid 1811] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1811] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1810] close(3 [pid 1812] setpgid(0, 0 [pid 1811] ioctl(6, PPPIOCNEWUNIT [pid 1812] <... setpgid resumed>) = 0 [pid 1810] <... close resumed>) = 0 [pid 1810] symlink("/dev/binderfs", "./binderfs" [pid 1812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1810] <... symlink resumed>) = 0 [pid 1810] write(1, "executing program\n", 18executing program ) = 18 [pid 1801] +++ exited with 0 +++ [pid 1812] <... openat resumed>) = 3 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 1812] write(3, "1000", 4 [pid 1810] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1812] <... write resumed>) = 4 [pid 1810] <... bpf resumed>) = 3 [pid 1812] close(3 [pid 295] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1810] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 295] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./131/binderfs" [pid 1812] <... close resumed>) = 0 [pid 1810] <... bpf resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 1810] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1812] symlink("/dev/binderfs", "./binderfs" [pid 1811] <... ioctl resumed>, 0x20001400) = 0 [pid 295] close(3 [pid 1811] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] <... close resumed>) = 0 [pid 1811] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1810] <... bpf resumed>) = 4 [pid 295] rmdir("./131" [pid 1812] <... symlink resumed>) = 0 [pid 1811] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1810] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] <... rmdir resumed>) = 0 [pid 1812] write(1, "executing program\n", 18 [pid 1811] <... bpf resumed>) = 7 [pid 295] mkdir("./132", 0777executing program [pid 1812] <... write resumed>) = 18 [pid 1811] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1810] <... bpf resumed>) = 5 [pid 295] <... mkdir resumed>) = 0 [pid 1811] <... bpf resumed>) = 0 [pid 1810] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1812] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1811] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1810] <... openat resumed>) = 6 [pid 1812] <... bpf resumed>) = 3 [pid 1811] <... bpf resumed>) = 8 [pid 1810] ioctl(6, PPPIOCNEWUNIT [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1814 [pid 1812] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1811] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1810] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1812] <... bpf resumed>) = 0 [pid 1811] <... bpf resumed>) = 9 [pid 1810] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1812] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1811] exit_group(0 [pid 1810] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1811] <... exit_group resumed>) = ? [pid 1810] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1812] <... bpf resumed>) = 4 [pid 1810] <... bpf resumed>) = 7 [pid 1812] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1810] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1812] <... bpf resumed>) = 5 [pid 1810] <... bpf resumed>) = 0 ./strace-static-x86_64: Process 1814 attached [pid 1814] set_robust_list(0x55555719e760, 24 [pid 1812] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1810] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1814] <... set_robust_list resumed>) = 0 [pid 1812] <... openat resumed>) = 6 [pid 1812] ioctl(6, PPPIOCNEWUNIT [pid 1810] <... bpf resumed>) = 8 [pid 1814] chdir("./132" [pid 1812] <... ioctl resumed>, 0x20001400) = 0 [pid 1810] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1814] <... chdir resumed>) = 0 [pid 1812] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1810] <... bpf resumed>) = 9 [pid 1814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1812] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1814] <... prctl resumed>) = 0 [pid 1812] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1810] exit_group(0 [pid 1814] setpgid(0, 0 [pid 1812] <... bpf resumed>) = 7 [pid 1814] <... setpgid resumed>) = 0 [pid 1810] <... exit_group resumed>) = ? [pid 1814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1812] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1810] +++ exited with 0 +++ [pid 1814] <... openat resumed>) = 3 [pid 1812] <... bpf resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 1814] write(3, "1000", 4 [pid 1812] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1814] <... write resumed>) = 4 [pid 297] <... restart_syscall resumed>) = 0 [pid 297] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1814] close(3 [pid 1812] <... bpf resumed>) = 8 [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1814] <... close resumed>) = 0 [pid 1812] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1814] symlink("/dev/binderfs", "./binderfs" [pid 297] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1812] <... bpf resumed>) = 9 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./122/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1814] <... symlink resumed>) = 0 [pid 1812] exit_group(0 [pid 297] unlink("./122/binderfs" executing program [pid 1814] write(1, "executing program\n", 18 [pid 1812] <... exit_group resumed>) = ? [pid 297] <... unlink resumed>) = 0 [pid 1814] <... write resumed>) = 18 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./122" [pid 1814] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... rmdir resumed>) = 0 [pid 1814] <... bpf resumed>) = 3 [pid 297] mkdir("./123", 0777) = 0 [pid 1814] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1814] <... bpf resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1817 [pid 1814] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 1817 attached [pid 1817] set_robust_list(0x55555719e760, 24) = 0 [pid 1817] chdir("./123") = 0 [pid 1817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1817] setpgid(0, 0 [pid 1814] <... bpf resumed>) = 4 [pid 1817] <... setpgid resumed>) = 0 [pid 1817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1814] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1814] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1814] ioctl(6, PPPIOCNEWUNIT [pid 1817] <... openat resumed>) = 3 [pid 1817] write(3, "1000", 4) = 4 [pid 1817] close(3) = 0 executing program [pid 1817] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1817] write(1, "executing program\n", 18) = 18 [pid 1817] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1814] <... ioctl resumed>, 0x20001400) = 0 [pid 1814] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1814] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1817] <... bpf resumed>) = 3 [pid 1817] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1817] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1814] <... bpf resumed>) = 7 [pid 1814] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1814] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1817] <... bpf resumed>) = 4 [pid 1817] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1817] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1817] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1814] <... bpf resumed>) = 8 [pid 1817] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1814] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1814] exit_group(0 [pid 1817] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1814] <... exit_group resumed>) = ? [pid 1817] <... bpf resumed>) = 7 [pid 1817] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1817] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1817] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1817] exit_group(0) = ? [pid 1817] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1817, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 297] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./123/binderfs") = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./123") = 0 [pid 297] mkdir("./124", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1819 ./strace-static-x86_64: Process 1819 attached [pid 1819] set_robust_list(0x55555719e760, 24) = 0 [pid 1819] chdir("./124") = 0 [pid 1819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1819] setpgid(0, 0) = 0 [pid 1819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1819] write(3, "1000", 4) = 4 [pid 1819] close(3) = 0 [pid 1819] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1819] write(1, "executing program\n", 18executing program ) = 18 [pid 1819] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1819] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1819] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1819] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1819] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1819] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1819] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1819] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1819] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1819] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1819] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1819] exit_group(0) = ? [pid 1812] +++ exited with 0 +++ [pid 1811] +++ exited with 0 +++ [pid 1806] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1811, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1812, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1806, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 296] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... restart_syscall resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] newfstatat(3, "", [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] getdents64(3, [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./135/binderfs", [pid 299] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] <... openat resumed>) = 3 [pid 298] unlink("./135/binderfs" [pid 296] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] newfstatat(3, "", [pid 298] <... unlink resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./135") = 0 [pid 298] mkdir("./136", 0777 [pid 299] getdents64(3, [pid 296] newfstatat(AT_FDCWD, "./134/binderfs", [pid 298] <... mkdir resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1824 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] unlink("./134/binderfs" [pid 299] newfstatat(AT_FDCWD, "./135/binderfs", ./strace-static-x86_64: Process 1824 attached {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... unlink resumed>) = 0 [pid 1824] set_robust_list(0x55555719e760, 24 [pid 299] unlink("./135/binderfs" [pid 296] getdents64(3, [pid 299] <... unlink resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] getdents64(3, [pid 296] close(3 [pid 1824] <... set_robust_list resumed>) = 0 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 296] <... close resumed>) = 0 [pid 1824] chdir("./136" [pid 296] rmdir("./134" [pid 299] <... close resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 1824] <... chdir resumed>) = 0 [pid 299] rmdir("./135" [pid 296] mkdir("./135", 0777 [pid 299] <... rmdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 299] mkdir("./136", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1826 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1827 [pid 1824] setpgid(0, 0) = 0 [pid 1824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1814] +++ exited with 0 +++ [pid 1824] <... openat resumed>) = 3 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1814, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1824] write(3, "1000", 4) = 4 [pid 295] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 1827 attached ) = 0 [pid 1824] close(3) = 0 [pid 1824] symlink("/dev/binderfs", "./binderfs" [pid 295] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1824] <... symlink resumed>) = 0 executing program [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1824] write(1, "executing program\n", 18 [pid 295] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1827] set_robust_list(0x55555719e760, 24 [pid 1824] <... write resumed>) = 18 ./strace-static-x86_64: Process 1826 attached [pid 295] <... openat resumed>) = 3 [pid 1827] <... set_robust_list resumed>) = 0 [pid 1826] set_robust_list(0x55555719e760, 24 [pid 1824] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] newfstatat(3, "", [pid 1826] <... set_robust_list resumed>) = 0 [pid 1827] chdir("./136" [pid 1826] chdir("./135" [pid 1824] <... bpf resumed>) = 3 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1826] <... chdir resumed>) = 0 [pid 1827] <... chdir resumed>) = 0 [pid 1826] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1824] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 295] getdents64(3, [pid 1826] <... prctl resumed>) = 0 [pid 1827] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1826] setpgid(0, 0 [pid 1824] <... bpf resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1826] <... setpgid resumed>) = 0 [pid 1827] <... prctl resumed>) = 0 [pid 1826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1824] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1826] <... openat resumed>) = 3 [pid 1827] setpgid(0, 0 [pid 1826] write(3, "1000", 4 [pid 1824] <... bpf resumed>) = 4 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1826] <... write resumed>) = 4 [pid 1827] <... setpgid resumed>) = 0 [pid 1826] close(3 [pid 1824] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] newfstatat(AT_FDCWD, "./132/binderfs", [pid 1826] <... close resumed>) = 0 [pid 1827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1826] symlink("/dev/binderfs", "./binderfs" [pid 1824] <... bpf resumed>) = 5 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 1827] <... openat resumed>) = 3 [pid 1826] <... symlink resumed>) = 0 [pid 1824] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] unlink("./132/binderfs" [pid 1826] write(1, "executing program\n", 18 [pid 1827] write(3, "1000", 4 [pid 1826] <... write resumed>) = 18 [pid 1824] <... openat resumed>) = 6 [pid 295] <... unlink resumed>) = 0 [pid 1827] <... write resumed>) = 4 [pid 1826] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1824] ioctl(6, PPPIOCNEWUNIT [pid 295] getdents64(3, [pid 1827] close(3 [pid 1826] <... bpf resumed>) = 3 [pid 1824] <... ioctl resumed>, 0x20001400) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1827] <... close resumed>) = 0 [pid 1826] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1824] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] close(3 [pid 1827] symlink("/dev/binderfs", "./binderfs" [pid 1826] <... bpf resumed>) = 0 [pid 1824] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] <... close resumed>) = 0 [pid 1827] <... symlink resumed>) = 0 [pid 1826] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1824] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] rmdir("./132"executing program [pid 1827] write(1, "executing program\n", 18 [pid 1826] <... bpf resumed>) = 4 [pid 1824] <... bpf resumed>) = 7 [pid 295] <... rmdir resumed>) = 0 [pid 1827] <... write resumed>) = 18 [pid 1826] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1824] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] mkdir("./133", 0777 [pid 1827] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1824] <... bpf resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 1827] <... bpf resumed>) = 3 [pid 1824] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1827] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1824] <... bpf resumed>) = 8 [pid 1827] <... bpf resumed>) = 0 [pid 1824] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1832 [pid 1827] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 1832 attached ) = 4 [pid 1827] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1832] set_robust_list(0x55555719e760, 24) = 0 [pid 1832] chdir("./133") = 0 [pid 1832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1832] setpgid(0, 0) = 0 [pid 1832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1832] write(3, "1000", 4) = 4 [pid 1832] close(3) = 0 [pid 1832] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1832] write(1, "executing program\n", 18) = 18 [pid 1832] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1832] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1832] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1827] <... bpf resumed>) = 5 [pid 1826] <... bpf resumed>) = 5 [pid 1824] <... bpf resumed>) = 9 [pid 1819] +++ exited with 0 +++ [pid 1832] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1827] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1826] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1824] exit_group(0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1819, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1832] <... bpf resumed>) = 5 [pid 1827] <... openat resumed>) = 6 [pid 1826] <... openat resumed>) = 6 [pid 1824] <... exit_group resumed>) = ? [pid 1832] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1827] ioctl(6, PPPIOCNEWUNIT [pid 1826] ioctl(6, PPPIOCNEWUNIT [pid 1832] <... openat resumed>) = 6 [pid 1832] ioctl(6, PPPIOCNEWUNIT [pid 297] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1832] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1827] <... ioctl resumed>, 0x20001400) = 0 [pid 1826] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1832] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1827] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1826] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1832] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1827] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1826] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] <... openat resumed>) = 3 [pid 1832] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1827] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1826] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] newfstatat(3, "", [pid 1832] <... bpf resumed>) = 7 [pid 1827] <... bpf resumed>) = 7 [pid 1826] <... bpf resumed>) = 7 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1832] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1827] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1826] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] getdents64(3, [pid 1832] <... bpf resumed>) = 0 [pid 1827] <... bpf resumed>) = 0 [pid 1826] <... bpf resumed>) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1832] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1827] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1826] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1832] <... bpf resumed>) = 8 [pid 1827] <... bpf resumed>) = 8 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1832] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] newfstatat(AT_FDCWD, "./124/binderfs", [pid 1832] <... bpf resumed>) = 9 [pid 1827] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1826] <... bpf resumed>) = 8 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1832] exit_group(0 [pid 1827] <... bpf resumed>) = 9 [pid 1826] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] unlink("./124/binderfs" [pid 1832] <... exit_group resumed>) = ? [pid 1827] exit_group(0 [pid 1826] <... bpf resumed>) = 9 [pid 297] <... unlink resumed>) = 0 [pid 1832] +++ exited with 0 +++ [pid 1827] <... exit_group resumed>) = ? [pid 1826] exit_group(0 [pid 297] getdents64(3, [pid 1826] <... exit_group resumed>) = ? [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1832, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] close(3 [pid 1826] +++ exited with 0 +++ [pid 297] <... close resumed>) = 0 [pid 297] rmdir("./124" [pid 295] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... rmdir resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1826, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] mkdir("./125", 0777 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... mkdir resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1839 [pid 296] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... openat resumed>) = 3 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(3, "", [pid 295] newfstatat(AT_FDCWD, "./133/binderfs", [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] getdents64(3, [pid 295] unlink("./133/binderfs" [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... unlink resumed>) = 0 [pid 296] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] getdents64(3, [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] newfstatat(AT_FDCWD, "./135/binderfs", [pid 295] close(3 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... close resumed>) = 0 [pid 296] unlink("./135/binderfs" [pid 295] rmdir("./133" [pid 296] <... unlink resumed>) = 0 [pid 295] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 1839 attached [pid 296] getdents64(3, [pid 295] mkdir("./134", 0777 [pid 1839] set_robust_list(0x55555719e760, 24 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 296] close(3 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... close resumed>) = 0 [pid 1839] <... set_robust_list resumed>) = 0 [pid 296] rmdir("./135" [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1840 [pid 1839] chdir("./125" [pid 296] <... rmdir resumed>) = 0 [pid 1839] <... chdir resumed>) = 0 [pid 296] mkdir("./136", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1841 ./strace-static-x86_64: Process 1840 attached [pid 1839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1840] set_robust_list(0x55555719e760, 24 [pid 1839] setpgid(0, 0 [pid 1840] <... set_robust_list resumed>) = 0 [pid 1839] <... setpgid resumed>) = 0 [pid 1840] chdir("./134" [pid 1839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1840] <... chdir resumed>) = 0 [pid 1840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1839] write(3, "1000", 4 [pid 1840] <... prctl resumed>) = 0 [pid 1839] <... write resumed>) = 4 [pid 1840] setpgid(0, 0 [pid 1839] close(3 [pid 1840] <... setpgid resumed>) = 0 [pid 1839] <... close resumed>) = 0 [pid 1839] symlink("/dev/binderfs", "./binderfs" [pid 1840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 1839] <... symlink resumed>) = 0 [pid 1839] write(1, "executing program\n", 18) = 18 [pid 1840] <... openat resumed>) = 3 [pid 1839] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1840] write(3, "1000", 4) = 4 [pid 1839] <... bpf resumed>) = 3 [pid 1839] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1840] close(3 [pid 1839] <... bpf resumed>) = 0 [pid 1839] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1840] <... close resumed>) = 0 ./strace-static-x86_64: Process 1841 attached [pid 1840] symlink("/dev/binderfs", "./binderfs" [pid 1839] <... bpf resumed>) = 4 [pid 1839] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1840] <... symlink resumed>) = 0 [pid 1841] set_robust_list(0x55555719e760, 24 [pid 1840] write(1, "executing program\n", 18 [pid 1841] <... set_robust_list resumed>) = 0 executing program [pid 1841] chdir("./136" [pid 1840] <... write resumed>) = 18 [pid 1841] <... chdir resumed>) = 0 [pid 1841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1841] setpgid(0, 0) = 0 [pid 1840] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1839] <... bpf resumed>) = 5 [pid 1824] +++ exited with 0 +++ [pid 1841] <... openat resumed>) = 3 [pid 1840] <... bpf resumed>) = 3 [pid 1839] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1840] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1841] write(3, "1000", 4) = 4 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1824, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1840] <... bpf resumed>) = 0 [pid 1839] <... openat resumed>) = 6 [pid 1841] close(3 [pid 1840] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1839] ioctl(6, PPPIOCNEWUNIT [pid 298] restart_syscall(<... resuming interrupted clone ...> executing program [pid 1841] <... close resumed>) = 0 [pid 298] <... restart_syscall resumed>) = 0 [pid 1841] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1841] write(1, "executing program\n", 18) = 18 [pid 1840] <... bpf resumed>) = 4 [pid 1841] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1841] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1840] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1839] <... ioctl resumed>, 0x20001400) = 0 [pid 1841] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1840] <... bpf resumed>) = 5 [pid 1839] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1841] <... bpf resumed>) = 4 [pid 1840] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1839] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1841] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1841] <... bpf resumed>) = 5 [pid 1840] <... openat resumed>) = 6 [pid 1839] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1841] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1840] ioctl(6, PPPIOCNEWUNIT [pid 1839] <... bpf resumed>) = 7 [pid 298] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", [pid 1841] <... openat resumed>) = 6 [pid 1840] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1839] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1841] ioctl(6, PPPIOCNEWUNIT [pid 1840] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 1840] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1841] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1840] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1841] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1839] <... bpf resumed>) = 0 [pid 298] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1841] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1840] <... bpf resumed>) = 7 [pid 1839] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1841] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1840] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1839] <... bpf resumed>) = 8 [pid 298] newfstatat(AT_FDCWD, "./136/binderfs", [pid 1840] <... bpf resumed>) = 0 [pid 1841] <... bpf resumed>) = 7 [pid 1839] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1840] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] unlink("./136/binderfs" [pid 1841] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1839] <... bpf resumed>) = 9 [pid 1840] <... bpf resumed>) = 8 [pid 1841] <... bpf resumed>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 1840] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1841] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] getdents64(3, [pid 1839] exit_group(0 [pid 1840] <... bpf resumed>) = 9 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1841] <... bpf resumed>) = 8 [pid 1840] exit_group(0 [pid 1839] <... exit_group resumed>) = ? [pid 298] close(3) = 0 [pid 1841] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1840] <... exit_group resumed>) = ? [pid 298] rmdir("./136" [pid 1840] +++ exited with 0 +++ [pid 298] <... rmdir resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] mkdir("./137", 0777 [pid 1841] <... bpf resumed>) = 9 [pid 1841] exit_group(0 [pid 298] <... mkdir resumed>) = 0 [pid 295] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1841] <... exit_group resumed>) = ? [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1848 [pid 1841] +++ exited with 0 +++ [pid 295] newfstatat(3, "", [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1841, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 295] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./136/binderfs", [pid 295] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./136/binderfs" [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./136") = 0 [pid 295] newfstatat(AT_FDCWD, "./134/binderfs", ./strace-static-x86_64: Process 1848 attached [pid 296] mkdir("./137", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1848] set_robust_list(0x55555719e760, 24 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1849 [pid 295] unlink("./134/binderfs" [pid 1848] <... set_robust_list resumed>) = 0 [pid 295] <... unlink resumed>) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./134") = 0 [pid 295] mkdir("./135", 0777 [pid 1848] chdir("./137" [pid 295] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 1849 attached [pid 1849] set_robust_list(0x55555719e760, 24) = 0 [pid 1849] chdir("./137") = 0 [pid 1849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1849] setpgid(0, 0) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1849] write(3, "1000", 4) = 4 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1851 [pid 1849] close(3) = 0 [pid 1849] symlink("/dev/binderfs", "./binderfs" [pid 1848] <... chdir resumed>) = 0 [pid 1848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1849] <... symlink resumed>) = 0 executing program [pid 1849] write(1, "executing program\n", 18) = 18 [pid 1849] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1848] <... prctl resumed>) = 0 [pid 1849] <... bpf resumed>) = 3 [pid 1849] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1849] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1848] setpgid(0, 0 [pid 1849] <... bpf resumed>) = 4 [pid 1848] <... setpgid resumed>) = 0 [pid 1849] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 1851 attached [pid 1851] set_robust_list(0x55555719e760, 24) = 0 [pid 1851] chdir("./135") = 0 [pid 1848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1851] setpgid(0, 0) = 0 [pid 1848] <... openat resumed>) = 3 [pid 1851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1848] write(3, "1000", 4 [pid 1851] <... openat resumed>) = 3 [pid 1851] write(3, "1000", 4) = 4 [pid 1851] close(3) = 0 [pid 1851] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1848] <... write resumed>) = 4 [pid 1851] write(1, "executing program\n", 18executing program [pid 1848] close(3 [pid 1851] <... write resumed>) = 18 [pid 1851] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1848] <... close resumed>) = 0 [pid 1851] <... bpf resumed>) = 3 [pid 1848] symlink("/dev/binderfs", "./binderfs" [pid 1851] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1851] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program ) = 4 [pid 1848] <... symlink resumed>) = 0 [pid 1848] write(1, "executing program\n", 18) = 18 [pid 1851] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1848] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1849] <... bpf resumed>) = 5 [pid 1848] <... bpf resumed>) = 3 [pid 1827] +++ exited with 0 +++ [pid 1849] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1849] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1827, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1849] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1849] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1849] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1849] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1849] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 299] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1851] <... bpf resumed>) = 5 [pid 1849] exit_group(0 [pid 1848] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1851] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1849] <... exit_group resumed>) = ? [pid 1848] <... bpf resumed>) = 0 [pid 299] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1851] <... openat resumed>) = 6 [pid 1848] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 1851] ioctl(6, PPPIOCNEWUNIT [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./136/binderfs" [pid 1851] <... ioctl resumed>, 0x20001400) = 0 [pid 299] <... unlink resumed>) = 0 [pid 1851] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] getdents64(3, [pid 1851] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1851] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 1851] <... bpf resumed>) = 7 [pid 299] <... close resumed>) = 0 [pid 1851] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1851] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1839] +++ exited with 0 +++ [pid 299] rmdir("./136" [pid 1851] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1851] exit_group(0) = ? [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./137", 0777 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1839, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1848] <... bpf resumed>) = 4 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1848] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 297] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1852 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 1852 attached [pid 1848] <... bpf resumed>) = 5 [pid 297] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1848] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1852] set_robust_list(0x55555719e760, 24 [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", [pid 1848] <... openat resumed>) = 6 [pid 1848] ioctl(6, PPPIOCNEWUNIT [pid 1852] <... set_robust_list resumed>) = 0 [pid 1848] <... ioctl resumed>, 0x20001400) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1848] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 297] getdents64(3, [pid 1848] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1852] chdir("./137" [pid 1848] <... bpf resumed>) = 7 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1852] <... chdir resumed>) = 0 [pid 1848] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1848] <... bpf resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1852] <... prctl resumed>) = 0 [pid 1848] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] newfstatat(AT_FDCWD, "./125/binderfs", [pid 1852] setpgid(0, 0 [pid 1848] <... bpf resumed>) = 8 [pid 1852] <... setpgid resumed>) = 0 [pid 1848] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1848] <... bpf resumed>) = 9 [pid 297] unlink("./125/binderfs" [pid 1852] <... openat resumed>) = 3 [pid 1848] exit_group(0) = ? [pid 1852] write(3, "1000", 4 [pid 297] <... unlink resumed>) = 0 [pid 1852] <... write resumed>) = 4 [pid 297] getdents64(3, [pid 1852] close(3 [pid 1849] +++ exited with 0 +++ [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./125") = 0 [pid 1852] <... close resumed>) = 0 [pid 297] mkdir("./126", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1852] symlink("/dev/binderfs", "./binderfs" [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1849, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1854 ./strace-static-x86_64: Process 1854 attached [pid 1852] <... symlink resumed>) = 0 [pid 296] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1852] write(1, "executing program\n", 18executing program ) = 18 [pid 296] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1852] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... openat resumed>) = 3 [pid 1852] <... bpf resumed>) = 3 [pid 296] newfstatat(3, "", [pid 1852] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1852] <... bpf resumed>) = 0 [pid 1852] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] getdents64(3, [pid 1854] set_robust_list(0x55555719e760, 24 [pid 1852] <... bpf resumed>) = 4 [pid 1852] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1852] <... bpf resumed>) = 5 [pid 296] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1852] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1852] ioctl(6, PPPIOCNEWUNIT [pid 296] newfstatat(AT_FDCWD, "./137/binderfs", [pid 1854] <... set_robust_list resumed>) = 0 [pid 1854] chdir("./126" [pid 1852] <... ioctl resumed>, 0x20001400) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1854] <... chdir resumed>) = 0 [pid 1854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1854] setpgid(0, 0 [pid 1852] bpf(BPF_PROG_LOAD, NULL, 0 [pid 296] unlink("./137/binderfs" [pid 1852] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1852] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... unlink resumed>) = 0 [pid 1854] <... setpgid resumed>) = 0 [pid 1854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] getdents64(3, [pid 1852] <... bpf resumed>) = 7 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1852] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] close(3 [pid 1852] <... bpf resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 1852] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] rmdir("./137" [pid 1854] <... openat resumed>) = 3 [pid 1854] write(3, "1000", 4 [pid 1852] <... bpf resumed>) = 8 [pid 1854] <... write resumed>) = 4 [pid 1854] close(3 [pid 1852] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] <... rmdir resumed>) = 0 [pid 296] mkdir("./138", 0777 [pid 1854] <... close resumed>) = 0 [pid 1854] symlink("/dev/binderfs", "./binderfs" [pid 1852] <... bpf resumed>) = 9 [pid 296] <... mkdir resumed>) = 0 [pid 1852] exit_group(0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1852] <... exit_group resumed>) = ? [pid 1854] <... symlink resumed>) = 0 executing program [pid 1854] write(1, "executing program\n", 18) = 18 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1855 [pid 1854] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72./strace-static-x86_64: Process 1855 attached ) = 3 [pid 1854] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1854] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1854] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1855] set_robust_list(0x55555719e760, 24 [pid 1854] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1855] <... set_robust_list resumed>) = 0 [pid 1854] <... openat resumed>) = 6 [pid 1855] chdir("./138" [pid 1854] ioctl(6, PPPIOCNEWUNIT [pid 1855] <... chdir resumed>) = 0 [pid 1855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1855] setpgid(0, 0 [pid 1854] <... ioctl resumed>, 0x20001400) = 0 [pid 1855] <... setpgid resumed>) = 0 [pid 1854] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1854] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1855] <... openat resumed>) = 3 [pid 1854] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1855] write(3, "1000", 4) = 4 [pid 1854] <... bpf resumed>) = 7 [pid 1855] close(3 [pid 1854] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1855] <... close resumed>) = 0 [pid 1854] <... bpf resumed>) = 0 [pid 1855] symlink("/dev/binderfs", "./binderfs" [pid 1854] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1855] <... symlink resumed>) = 0 [pid 1854] <... bpf resumed>) = 8 executing program [pid 1855] write(1, "executing program\n", 18 [pid 1854] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1855] <... write resumed>) = 18 [pid 1854] <... bpf resumed>) = 9 [pid 1855] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1854] exit_group(0 [pid 1855] <... bpf resumed>) = 3 [pid 1854] <... exit_group resumed>) = ? [pid 1855] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1855] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1851] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1851, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1855] <... bpf resumed>) = 4 [pid 295] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 1855] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 295] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1855] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1855] <... openat resumed>) = 6 [pid 295] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1855] ioctl(6, PPPIOCNEWUNIT [pid 295] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1855] <... ioctl resumed>, 0x20001400) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1855] bpf(BPF_PROG_LOAD, NULL, 0 [pid 295] newfstatat(AT_FDCWD, "./135/binderfs", [pid 1855] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1855] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] unlink("./135/binderfs" [pid 1855] <... bpf resumed>) = 7 [pid 295] <... unlink resumed>) = 0 [pid 1855] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] getdents64(3, [pid 1855] <... bpf resumed>) = 0 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1855] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] close(3) = 0 [pid 295] rmdir("./135" [pid 1855] <... bpf resumed>) = 8 [pid 295] <... rmdir resumed>) = 0 [pid 1855] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 295] mkdir("./136", 0777 [pid 1855] <... bpf resumed>) = 9 [pid 295] <... mkdir resumed>) = 0 [pid 1855] exit_group(0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1855] <... exit_group resumed>) = ? [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1858 ./strace-static-x86_64: Process 1858 attached [pid 1852] +++ exited with 0 +++ [pid 1848] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... openat resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 298] newfstatat(3, "", [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 298] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./137/binderfs", [pid 298] newfstatat(AT_FDCWD, "./137/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./137/binderfs" [pid 298] unlink("./137/binderfs" [pid 299] <... unlink resumed>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 298] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 298] close(3 [pid 299] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 299] rmdir("./137" [pid 298] rmdir("./137" [pid 299] <... rmdir resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 299] mkdir("./138", 0777 [pid 298] mkdir("./138", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1863 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1862 [pid 1858] set_robust_list(0x55555719e760, 24) = 0 [pid 1858] chdir("./136") = 0 [pid 1858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1858] setpgid(0, 0./strace-static-x86_64: Process 1862 attached [pid 1862] set_robust_list(0x55555719e760, 24) = 0 [pid 1858] <... setpgid resumed>) = 0 [pid 1858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1858] write(3, "1000", 4) = 4 [pid 1858] close(3) = 0 [pid 1862] chdir("./138") = 0 [pid 1862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1862] setpgid(0, 0) = 0 [pid 1858] symlink("/dev/binderfs", "./binderfs" [pid 1862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1862] write(3, "1000", 4) = 4 [pid 1862] close(3) = 0 [pid 1862] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1862] write(1, "executing program\n", 18) = 18 [pid 1862] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1862] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1862] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1858] <... symlink resumed>) = 0 [pid 1862] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1862] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1862] ioctl(6, PPPIOCNEWUNITexecuting program [pid 1858] write(1, "executing program\n", 18) = 18 [pid 1858] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1862] <... ioctl resumed>, 0x20001400) = 0 [pid 1858] <... bpf resumed>) = 3 [pid 1858] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1862] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1858] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1862] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1858] <... bpf resumed>) = 4 [pid 1862] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1858] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1862] <... bpf resumed>) = 7 [pid 1858] <... bpf resumed>) = 5 [pid 1862] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1858] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1862] <... bpf resumed>) = 0 [pid 1862] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1858] <... openat resumed>) = 6 [pid 1858] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1862] <... bpf resumed>) = 8 [pid 1858] bpf(BPF_PROG_LOAD, NULL, 0./strace-static-x86_64: Process 1863 attached [pid 1862] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1858] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1863] set_robust_list(0x55555719e760, 24 [pid 1862] <... bpf resumed>) = 9 [pid 1858] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1863] <... set_robust_list resumed>) = 0 [pid 1862] exit_group(0 [pid 1858] <... bpf resumed>) = 7 [pid 1863] chdir("./138" [pid 1862] <... exit_group resumed>) = ? [pid 1858] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1863] <... chdir resumed>) = 0 [pid 1858] <... bpf resumed>) = 0 [pid 1863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1858] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1863] <... prctl resumed>) = 0 [pid 1863] setpgid(0, 0 [pid 1858] <... bpf resumed>) = 8 [pid 1863] <... setpgid resumed>) = 0 [pid 1858] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1858] <... bpf resumed>) = 9 [pid 1858] exit_group(0 [pid 1863] <... openat resumed>) = 3 [pid 1858] <... exit_group resumed>) = ? [pid 1863] write(3, "1000", 4 [pid 1858] +++ exited with 0 +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1858, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 1863] <... write resumed>) = 4 [pid 1863] close(3 [pid 295] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1863] <... close resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1863] symlink("/dev/binderfs", "./binderfs" [pid 295] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", [pid 1863] <... symlink resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program [pid 1863] write(1, "executing program\n", 18 [pid 295] getdents64(3, [pid 1863] <... write resumed>) = 18 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1863] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1863] <... bpf resumed>) = 3 [pid 295] unlink("./136/binderfs" [pid 1863] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 295] <... unlink resumed>) = 0 [pid 1863] <... bpf resumed>) = 0 [pid 295] getdents64(3, [pid 1863] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./136" [pid 1863] <... bpf resumed>) = 4 [pid 295] <... rmdir resumed>) = 0 [pid 1863] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 295] mkdir("./137", 0777 [pid 1863] <... bpf resumed>) = 5 [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1868 [pid 1863] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1863] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1854] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1854, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 297] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1855] +++ exited with 0 +++ [pid 297] <... openat resumed>) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1863] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1863] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 297] newfstatat(AT_FDCWD, "./126/binderfs", [pid 296] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1863] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] unlink("./126/binderfs" [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1863] <... bpf resumed>) = 7 [pid 297] <... unlink resumed>) = 0 [pid 296] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] getdents64(3, [pid 296] <... openat resumed>) = 3 [pid 1863] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] newfstatat(3, "", [pid 297] close(3 [pid 1863] <... bpf resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... close resumed>) = 0 [pid 296] getdents64(3, [pid 1863] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 297] rmdir("./126") = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] mkdir("./127", 0777 [pid 1863] <... bpf resumed>) = 8 [pid 297] <... mkdir resumed>) = 0 [pid 296] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1869 attached [pid 1863] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1869 [pid 296] newfstatat(AT_FDCWD, "./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1869] set_robust_list(0x55555719e760, 24 [pid 296] unlink("./138/binderfs"./strace-static-x86_64: Process 1868 attached [pid 1868] set_robust_list(0x55555719e760, 24) = 0 [pid 1869] <... set_robust_list resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 1868] chdir("./137" [pid 296] getdents64(3, [pid 1869] chdir("./127" [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1868] <... chdir resumed>) = 0 [pid 296] close(3 [pid 1869] <... chdir resumed>) = 0 [pid 1868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1868] setpgid(0, 0) = 0 [pid 1869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 296] <... close resumed>) = 0 [pid 1869] <... prctl resumed>) = 0 [pid 1868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1869] setpgid(0, 0 [pid 1868] <... openat resumed>) = 3 [pid 296] rmdir("./138" [pid 1869] <... setpgid resumed>) = 0 [pid 1868] write(3, "1000", 4) = 4 [pid 1868] close(3) = 0 [pid 1868] symlink("/dev/binderfs", "./binderfs" [pid 296] <... rmdir resumed>) = 0 [pid 1868] <... symlink resumed>) = 0 [pid 296] mkdir("./139", 0777 [pid 1869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 1868] write(1, "executing program\n", 18) = 18 [pid 1868] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... mkdir resumed>) = 0 [pid 1868] <... bpf resumed>) = 3 [pid 1869] <... openat resumed>) = 3 [pid 1868] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1868] <... bpf resumed>) = 0 [pid 1868] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1869] write(3, "1000", 4 [pid 1868] <... bpf resumed>) = 4 [pid 1868] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1869] <... write resumed>) = 4 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1871 [pid 1869] close(3) = 0 ./strace-static-x86_64: Process 1871 attached [pid 1869] symlink("/dev/binderfs", "./binderfs" [pid 1871] set_robust_list(0x55555719e760, 24) = 0 [pid 1869] <... symlink resumed>) = 0 [pid 1869] write(1, "executing program\n", 18executing program [pid 1871] chdir("./139" [pid 1869] <... write resumed>) = 18 [pid 1871] <... chdir resumed>) = 0 [pid 1871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1869] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1871] <... prctl resumed>) = 0 [pid 1869] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1871] setpgid(0, 0 [pid 1869] <... bpf resumed>) = 0 [pid 1869] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1871] <... setpgid resumed>) = 0 [pid 1871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1869] <... bpf resumed>) = 4 [pid 1869] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1871] write(3, "1000", 4) = 4 [pid 1871] close(3) = 0 [pid 1871] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1871] write(1, "executing program\n", 18) = 18 [pid 1871] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1871] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1871] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1871] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1868] <... bpf resumed>) = 5 [pid 1863] <... bpf resumed>) = 9 [pid 1862] +++ exited with 0 +++ [pid 1869] <... bpf resumed>) = 5 [pid 1868] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1869] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1868] <... openat resumed>) = 6 [pid 1863] exit_group(0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1862, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1869] <... openat resumed>) = 6 [pid 1868] ioctl(6, PPPIOCNEWUNIT [pid 1863] <... exit_group resumed>) = ? [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 1869] ioctl(6, PPPIOCNEWUNIT [pid 1868] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1868] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1868] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1868] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1868] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1871] <... bpf resumed>) = 5 [pid 1869] <... ioctl resumed>, 0x20001400) = 0 [pid 1868] <... bpf resumed>) = 8 [pid 298] <... restart_syscall resumed>) = 0 [pid 1869] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1868] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1869] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1868] exit_group(0) = ? [pid 298] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1871] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1869] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1868] +++ exited with 0 +++ [pid 1871] <... openat resumed>) = 6 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1869] <... bpf resumed>) = 7 [pid 298] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1869] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1869] <... bpf resumed>) = 0 [pid 298] <... openat resumed>) = 3 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 298] newfstatat(3, "", [pid 1869] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1871] ioctl(6, PPPIOCNEWUNIT [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1871] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1869] <... bpf resumed>) = 8 [pid 298] getdents64(3, [pid 295] <... restart_syscall resumed>) = 0 [pid 1871] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1871] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1869] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1871] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1869] <... bpf resumed>) = 9 [pid 298] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1871] <... bpf resumed>) = 0 [pid 1869] exit_group(0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1869] <... exit_group resumed>) = ? [pid 298] newfstatat(AT_FDCWD, "./138/binderfs", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1871] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1871] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] unlink("./138/binderfs" [pid 295] <... openat resumed>) = 3 [pid 1871] <... bpf resumed>) = 9 [pid 1871] exit_group(0 [pid 298] <... unlink resumed>) = 0 [pid 295] newfstatat(3, "", [pid 1871] <... exit_group resumed>) = ? [pid 298] getdents64(3, [pid 1871] +++ exited with 0 +++ [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] close(3 [pid 295] getdents64(3, [pid 298] <... close resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1871, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] rmdir("./138" [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] <... rmdir resumed>) = 0 [pid 296] <... restart_syscall resumed>) = 0 [pid 295] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] mkdir("./139", 0777 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... mkdir resumed>) = 0 [pid 295] newfstatat(AT_FDCWD, "./137/binderfs", [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 1874 attached ) = -1 EINVAL (Invalid argument) [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1874] set_robust_list(0x55555719e760, 24) = 0 [pid 1874] chdir("./139" [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1874 [pid 296] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] unlink("./137/binderfs" [pid 296] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", [pid 295] <... unlink resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, [pid 1874] <... chdir resumed>) = 0 [pid 296] getdents64(3, [pid 1874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1874] <... prctl resumed>) = 0 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] close(3 [pid 1874] setpgid(0, 0 [pid 296] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1874] <... setpgid resumed>) = 0 [pid 295] <... close resumed>) = 0 [pid 1874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] rmdir("./137" [pid 1874] <... openat resumed>) = 3 [pid 296] newfstatat(AT_FDCWD, "./139/binderfs", [pid 1874] write(3, "1000", 4 [pid 295] <... rmdir resumed>) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1874] <... write resumed>) = 4 [pid 296] unlink("./139/binderfs" [pid 295] mkdir("./138", 0777 [pid 1874] close(3 [pid 296] <... unlink resumed>) = 0 [pid 1874] <... close resumed>) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 1874] symlink("/dev/binderfs", "./binderfs") = 0 [pid 296] getdents64(3, [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1874] write(1, "executing program\n", 18 executing program [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1874] <... write resumed>) = 18 [pid 296] close(3 [pid 1874] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... close resumed>) = 0 [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1877 [pid 1874] <... bpf resumed>) = 3 [pid 296] rmdir("./139" [pid 1874] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 1874] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] mkdir("./140", 0777 [pid 1874] <... bpf resumed>) = 4 [pid 1874] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1877 attached [pid 1877] set_robust_list(0x55555719e760, 24 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1878 [pid 1877] <... set_robust_list resumed>) = 0 [pid 1877] chdir("./138") = 0 [pid 1877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1877] setpgid(0, 0) = 0 [pid 1877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1877] write(3, "1000", 4) = 4 [pid 1877] close(3) = 0 [pid 1877] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1877] write(1, "executing program\n", 18executing program ) = 18 [pid 1877] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1877] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1877] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 1878 attached ) = 4 [pid 1878] set_robust_list(0x55555719e760, 24) = 0 [pid 1877] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1878] chdir("./140") = 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) = 3 [pid 1878] write(3, "1000", 4) = 4 [pid 1878] close(3) = 0 [pid 1878] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1878] write(1, "executing program\n", 18) = 18 [pid 1878] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1869] +++ exited with 0 +++ [pid 1863] +++ exited with 0 +++ [pid 1878] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1878] <... bpf resumed>) = 0 [pid 1878] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 299] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1878] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... openat resumed>) = 3 [pid 297] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 297] newfstatat(3, "", [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 297] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./138/binderfs", [pid 297] newfstatat(AT_FDCWD, "./127/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./138/binderfs" [pid 297] unlink("./127/binderfs" [pid 299] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 297] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 297] close(3 [pid 299] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 299] rmdir("./138" [pid 297] rmdir("./127" [pid 299] <... rmdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 299] mkdir("./139", 0777 [pid 297] mkdir("./128", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1880 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1881 ./strace-static-x86_64: Process 1881 attached [pid 1881] set_robust_list(0x55555719e760, 24) = 0 [pid 1881] chdir("./128") = 0 [pid 1881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1881] setpgid(0, 0) = 0 [pid 1881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1881] write(3, "1000", 4) = 4 [pid 1881] close(3) = 0 [pid 1881] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1881] write(1, "executing program\n", 18) = 18 [pid 1881] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1881] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1881] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144./strace-static-x86_64: Process 1880 attached [pid 1880] set_robust_list(0x55555719e760, 24) = 0 [pid 1880] chdir("./139") = 0 [pid 1880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1880] setpgid(0, 0 [pid 1881] <... bpf resumed>) = 4 [pid 1880] <... setpgid resumed>) = 0 [pid 1880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1881] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1880] write(3, "1000", 4) = 4 [pid 1880] close(3) = 0 [pid 1880] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1880] write(1, "executing program\n", 18executing program ) = 18 [pid 1880] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1880] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1880] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1880] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1874] <... bpf resumed>) = 5 [pid 1877] <... bpf resumed>) = 5 [pid 1881] <... bpf resumed>) = 5 [pid 1880] <... bpf resumed>) = 5 [pid 1878] <... bpf resumed>) = 5 [pid 1881] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1880] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1878] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1881] <... openat resumed>) = 6 [pid 1880] <... openat resumed>) = 6 [pid 1878] <... openat resumed>) = 6 [pid 1881] ioctl(6, PPPIOCNEWUNIT [pid 1880] ioctl(6, PPPIOCNEWUNIT [pid 1878] ioctl(6, PPPIOCNEWUNIT [pid 1877] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1874] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1881] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1880] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1878] <... ioctl resumed>, 0x20001400) = 0 [pid 1881] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1880] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1877] <... openat resumed>) = 6 [pid 1874] <... openat resumed>) = 6 [pid 1881] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1880] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1878] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1881] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1880] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1881] <... bpf resumed>) = 7 [pid 1880] <... bpf resumed>) = 7 [pid 1878] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1877] ioctl(6, PPPIOCNEWUNIT [pid 1874] ioctl(6, PPPIOCNEWUNIT [pid 1881] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1880] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1878] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1881] <... bpf resumed>) = 0 [pid 1880] <... bpf resumed>) = 0 [pid 1878] <... bpf resumed>) = 7 [pid 1877] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1874] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1881] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1880] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1878] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1881] <... bpf resumed>) = 8 [pid 1880] <... bpf resumed>) = 8 [pid 1878] <... bpf resumed>) = 0 [pid 1877] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1874] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1881] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1880] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1878] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1881] <... bpf resumed>) = 9 [pid 1880] <... bpf resumed>) = 9 [pid 1878] <... bpf resumed>) = 8 [pid 1877] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1874] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1881] exit_group(0 [pid 1880] exit_group(0 [pid 1878] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1877] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1874] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1881] <... exit_group resumed>) = ? [pid 1880] <... exit_group resumed>) = ? [pid 1878] <... bpf resumed>) = 9 [pid 1881] +++ exited with 0 +++ [pid 1880] +++ exited with 0 +++ [pid 1878] exit_group(0 [pid 1877] <... bpf resumed>) = 7 [pid 1874] <... bpf resumed>) = 7 [pid 1878] <... exit_group resumed>) = ? [pid 1877] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1874] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1881, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1877] <... bpf resumed>) = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 1877] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1874] <... bpf resumed>) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 297] <... restart_syscall resumed>) = 0 [pid 299] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... openat resumed>) = 3 [pid 297] <... openat resumed>) = 3 [pid 299] newfstatat(3, "", [pid 297] newfstatat(3, "", [pid 1877] <... bpf resumed>) = 8 [pid 1874] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1877] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] getdents64(3, [pid 297] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1874] <... bpf resumed>) = 8 [pid 1877] <... bpf resumed>) = 9 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./139/binderfs", [pid 297] newfstatat(AT_FDCWD, "./128/binderfs", [pid 1877] exit_group(0 [pid 1874] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./139/binderfs" [pid 297] unlink("./128/binderfs" [pid 1877] <... exit_group resumed>) = ? [pid 1874] <... bpf resumed>) = 9 [pid 299] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 297] getdents64(3, [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 297] close(3 [pid 299] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 299] rmdir("./139" [pid 297] rmdir("./128" [pid 1874] exit_group(0 [pid 299] <... rmdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 299] mkdir("./140", 0777 [pid 297] mkdir("./129", 0777 [pid 1877] +++ exited with 0 +++ [pid 1874] <... exit_group resumed>) = ? [pid 299] <... mkdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1877, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1890 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1891 [pid 295] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 295] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./138/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./138") = 0 [pid 295] mkdir("./139", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1892 ./strace-static-x86_64: Process 1891 attached [pid 1891] set_robust_list(0x55555719e760, 24) = 0 [pid 1891] chdir("./129") = 0 [pid 1891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1891] setpgid(0, 0) = 0 [pid 1891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1891] write(3, "1000", 4) = 4 [pid 1891] close(3) = 0 [pid 1891] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1891] write(1, "executing program\n", 18executing program ) = 18 [pid 1891] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1891] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1891] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1891] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 1890 attached [pid 1890] set_robust_list(0x55555719e760, 24) = 0 [pid 1890] chdir("./140") = 0 [pid 1890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1890] setpgid(0, 0) = 0 [pid 1890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1890] write(3, "1000", 4) = 4 [pid 1890] close(3) = 0 [pid 1891] <... bpf resumed>) = 5 [pid 1874] +++ exited with 0 +++ [pid 1891] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1891] <... openat resumed>) = 6 [pid 1890] symlink("/dev/binderfs", "./binderfs" [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 1891] ioctl(6, PPPIOCNEWUNIT [pid 1890] <... symlink resumed>) = 0 executing program ./strace-static-x86_64: Process 1892 attached [pid 1890] write(1, "executing program\n", 18 [pid 298] <... restart_syscall resumed>) = 0 [pid 1890] <... write resumed>) = 18 [pid 1890] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 298] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1890] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1890] <... bpf resumed>) = 0 [pid 298] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1890] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... openat resumed>) = 3 [pid 1892] set_robust_list(0x55555719e760, 24 [pid 1890] <... bpf resumed>) = 4 [pid 298] newfstatat(3, "", [pid 1890] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1890] <... bpf resumed>) = 5 [pid 298] getdents64(3, [pid 1890] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1890] <... openat resumed>) = 6 [pid 298] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1890] ioctl(6, PPPIOCNEWUNIT [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./139/binderfs", [pid 1892] <... set_robust_list resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./139/binderfs") = 0 [pid 298] getdents64(3, [pid 1892] chdir("./139" [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 298] rmdir("./139" [pid 1892] <... chdir resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./140", 0777) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1893 [pid 1891] <... ioctl resumed>, 0x20001400) = 0 [pid 1890] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1891] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1890] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1878] +++ exited with 0 +++ [pid 1891] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1890] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1891] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1890] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1891] <... bpf resumed>) = 7 [pid 1890] <... bpf resumed>) = 7 ./strace-static-x86_64: Process 1893 attached [pid 1892] <... prctl resumed>) = 0 [pid 1891] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1890] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1893] set_robust_list(0x55555719e760, 24 [pid 1891] <... bpf resumed>) = 0 [pid 1890] <... bpf resumed>) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1893] <... set_robust_list resumed>) = 0 [pid 1891] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1890] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1893] chdir("./140" [pid 1892] setpgid(0, 0 [pid 1891] <... bpf resumed>) = 8 [pid 1890] <... bpf resumed>) = 8 [pid 296] <... openat resumed>) = 3 [pid 1893] <... chdir resumed>) = 0 [pid 1891] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1890] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] newfstatat(3, "", [pid 1893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1891] <... bpf resumed>) = 9 [pid 1890] <... bpf resumed>) = 9 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1893] <... prctl resumed>) = 0 [pid 1891] exit_group(0 [pid 1890] exit_group(0 [pid 296] getdents64(3, [pid 1893] setpgid(0, 0 [pid 1891] <... exit_group resumed>) = ? [pid 1890] <... exit_group resumed>) = ? [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1893] <... setpgid resumed>) = 0 [pid 1892] <... setpgid resumed>) = 0 [pid 296] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1893] <... openat resumed>) = 3 [pid 296] newfstatat(AT_FDCWD, "./140/binderfs", [pid 1893] write(3, "1000", 4 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1893] <... write resumed>) = 4 [pid 296] unlink("./140/binderfs" [pid 1893] close(3 [pid 1892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... unlink resumed>) = 0 [pid 1893] <... close resumed>) = 0 [pid 296] getdents64(3, [pid 1893] symlink("/dev/binderfs", "./binderfs" [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1893] <... symlink resumed>) = 0 [pid 296] close(3executing program [pid 1893] write(1, "executing program\n", 18 [pid 296] <... close resumed>) = 0 [pid 1893] <... write resumed>) = 18 [pid 296] rmdir("./140" [pid 1892] <... openat resumed>) = 3 [pid 1893] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1892] write(3, "1000", 4 [pid 296] <... rmdir resumed>) = 0 [pid 1893] <... bpf resumed>) = 3 [pid 1892] <... write resumed>) = 4 [pid 296] mkdir("./141", 0777 [pid 1893] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1892] close(3 [pid 1893] <... bpf resumed>) = 0 [pid 1892] <... close resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 1893] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1892] symlink("/dev/binderfs", "./binderfs"executing program [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1893] <... bpf resumed>) = 4 [pid 1892] <... symlink resumed>) = 0 [pid 1892] write(1, "executing program\n", 18 [pid 1893] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1892] <... write resumed>) = 18 [pid 1892] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1896 [pid 1892] <... bpf resumed>) = 3 [pid 1892] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1892] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1892] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 1896 attached [pid 1896] set_robust_list(0x55555719e760, 24) = 0 [pid 1896] chdir("./141") = 0 [pid 1896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1896] setpgid(0, 0) = 0 [pid 1896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1896] write(3, "1000", 4) = 4 [pid 1896] close(3) = 0 [pid 1890] +++ exited with 0 +++ [pid 1896] symlink("/dev/binderfs", "./binderfs" [pid 1893] <... bpf resumed>) = 5 [pid 1892] <... bpf resumed>) = 5 [pid 1896] <... symlink resumed>) = 0 [pid 1893] openat(AT_FDCWD, "/dev/ppp", O_RDONLYexecuting program [pid 1892] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1896] write(1, "executing program\n", 18 [pid 1893] <... openat resumed>) = 6 [pid 1892] <... openat resumed>) = 6 [pid 299] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1896] <... write resumed>) = 18 [pid 1892] ioctl(6, PPPIOCNEWUNIT [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1896] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1893] ioctl(6, PPPIOCNEWUNIT [pid 1892] <... ioctl resumed>, 0x20001400) = 0 [pid 299] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1896] <... bpf resumed>) = 3 [pid 1892] bpf(BPF_PROG_LOAD, NULL, 0 [pid 299] <... openat resumed>) = 3 [pid 1896] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1892] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 299] newfstatat(3, "", [pid 1896] <... bpf resumed>) = 0 [pid 1893] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1892] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1896] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1893] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1892] <... bpf resumed>) = 7 [pid 299] getdents64(3, [pid 1896] <... bpf resumed>) = 4 [pid 1893] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1892] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1891] +++ exited with 0 +++ [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1896] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1892] <... bpf resumed>) = 0 [pid 299] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1891, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1896] <... bpf resumed>) = 5 [pid 1893] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1892] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1896] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1893] <... bpf resumed>) = 7 [pid 1892] <... bpf resumed>) = 8 [pid 299] newfstatat(AT_FDCWD, "./140/binderfs", [pid 1896] <... openat resumed>) = 6 [pid 1893] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1892] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1896] ioctl(6, PPPIOCNEWUNIT [pid 1892] <... bpf resumed>) = 9 [pid 299] unlink("./140/binderfs" [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1896] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1893] <... bpf resumed>) = 0 [pid 1892] exit_group(0 [pid 299] <... unlink resumed>) = 0 [pid 297] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1896] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1892] <... exit_group resumed>) = ? [pid 299] getdents64(3, [pid 297] <... openat resumed>) = 3 [pid 1896] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1893] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] newfstatat(3, "", [pid 1896] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] close(3 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1896] <... bpf resumed>) = 7 [pid 299] <... close resumed>) = 0 [pid 297] getdents64(3, [pid 1896] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1893] <... bpf resumed>) = 8 [pid 299] rmdir("./140" [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1896] <... bpf resumed>) = 0 [pid 1893] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] <... rmdir resumed>) = 0 [pid 297] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1896] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] mkdir("./141", 0777 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1896] <... bpf resumed>) = 8 [pid 1893] <... bpf resumed>) = 9 [pid 299] <... mkdir resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./129/binderfs", [pid 1896] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1896] <... bpf resumed>) = 9 [pid 297] unlink("./129/binderfs" [pid 1896] exit_group(0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1899 [pid 297] <... unlink resumed>) = 0 [pid 1896] <... exit_group resumed>) = ? [pid 297] getdents64(3, [pid 1896] +++ exited with 0 +++ [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./129" [pid 1893] exit_group(0 [pid 297] <... rmdir resumed>) = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1896, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] mkdir("./130", 0777 [pid 1893] <... exit_group resumed>) = ? [pid 297] <... mkdir resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1900 ./strace-static-x86_64: Process 1900 attached [pid 1900] set_robust_list(0x55555719e760, 24) = 0 [pid 1900] chdir("./130") = 0 [pid 1900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1900] setpgid(0, 0) = 0 [pid 1900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", [pid 1900] <... openat resumed>) = 3 [pid 1900] write(3, "1000", 4) = 4 [pid 1900] close(3) = 0 [pid 1900] symlink("/dev/binderfs", "./binderfs" [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program [pid 296] getdents64(3, [pid 1900] <... symlink resumed>) = 0 [pid 1900] write(1, "executing program\n", 18) = 18 [pid 1900] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1900] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1900] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./141/binderfs" [pid 1900] <... bpf resumed>) = 4 [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 1900] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 1899 attached [pid 296] close(3) = 0 [pid 296] rmdir("./141" [pid 1899] set_robust_list(0x55555719e760, 24) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 1899] chdir("./141" [pid 296] mkdir("./142", 0777 [pid 1899] <... chdir resumed>) = 0 [pid 1899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1899] setpgid(0, 0) = 0 [pid 1899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 296] <... mkdir resumed>) = 0 [pid 1899] <... openat resumed>) = 3 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1899] write(3, "1000", 4) = 4 [pid 1899] close(3) = 0 [pid 1899] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1899] write(1, "executing program\n", 18) = 18 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1901 [pid 1899] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1899] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1899] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1899] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16./strace-static-x86_64: Process 1901 attached [pid 1901] set_robust_list(0x55555719e760, 24) = 0 [pid 1901] chdir("./142") = 0 [pid 1901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1901] setpgid(0, 0) = 0 [pid 1901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1901] write(3, "1000", 4) = 4 [pid 1901] close(3) = 0 [pid 1901] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1901] write(1, "executing program\n", 18) = 18 [pid 1901] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1901] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1901] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1901] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1900] <... bpf resumed>) = 5 [pid 1899] <... bpf resumed>) = 5 [pid 1893] +++ exited with 0 +++ [pid 1892] +++ exited with 0 +++ [pid 1900] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1892, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 1900] <... openat resumed>) = 6 [pid 298] <... restart_syscall resumed>) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 1900] ioctl(6, PPPIOCNEWUNIT [pid 298] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1901] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1899] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1900] <... ioctl resumed>, 0x20001400) = 0 [pid 298] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... openat resumed>) = 3 [pid 295] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] newfstatat(3, "", [pid 295] <... openat resumed>) = 3 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] newfstatat(3, "", [pid 298] getdents64(3, [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] getdents64(3, [pid 1899] <... openat resumed>) = 6 [pid 298] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1901] <... openat resumed>) = 6 [pid 1900] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1899] ioctl(6, PPPIOCNEWUNIT [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1900] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] newfstatat(AT_FDCWD, "./140/binderfs", [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1900] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] newfstatat(AT_FDCWD, "./139/binderfs", [pid 1901] ioctl(6, PPPIOCNEWUNIT [pid 1900] <... bpf resumed>) = 7 [pid 1899] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 298] unlink("./140/binderfs" [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1901] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1900] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1899] bpf(BPF_PROG_LOAD, NULL, 0 [pid 298] <... unlink resumed>) = 0 [pid 295] unlink("./139/binderfs" [pid 1901] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1900] <... bpf resumed>) = 0 [pid 1899] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] getdents64(3, [pid 295] <... unlink resumed>) = 0 [pid 1900] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1899] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] getdents64(3, [pid 1901] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1899] <... bpf resumed>) = 7 [pid 298] close(3 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1899] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 298] <... close resumed>) = 0 [pid 295] close(3 [pid 1900] <... bpf resumed>) = 8 [pid 1899] <... bpf resumed>) = 0 [pid 298] rmdir("./140" [pid 1901] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 295] <... close resumed>) = 0 [pid 1901] <... bpf resumed>) = 7 [pid 1900] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1899] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] <... rmdir resumed>) = 0 [pid 295] rmdir("./139" [pid 1901] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1900] <... bpf resumed>) = 9 [pid 298] mkdir("./141", 0777 [pid 1901] <... bpf resumed>) = 0 [pid 1900] exit_group(0 [pid 1901] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1900] <... exit_group resumed>) = ? [pid 295] <... rmdir resumed>) = 0 [pid 1901] <... bpf resumed>) = 8 [pid 1899] <... bpf resumed>) = 8 [pid 298] <... mkdir resumed>) = 0 [pid 295] mkdir("./140", 0777 [pid 1899] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1901] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 295] <... mkdir resumed>) = 0 [pid 1901] exit_group(0) = ? [pid 1901] +++ exited with 0 +++ [pid 1899] <... bpf resumed>) = 9 [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1902 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1899] exit_group(0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1901, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 1902 attached [pid 1899] <... exit_group resumed>) = ? [pid 295] <... clone resumed>, child_tidptr=0x55555719e750) = 1903 [pid 1902] set_robust_list(0x55555719e760, 24) = 0 [pid 1902] chdir("./141") = 0 ./strace-static-x86_64: Process 1903 attached [pid 1900] +++ exited with 0 +++ [pid 1899] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1899, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 296] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1903] set_robust_list(0x55555719e760, 24 [pid 297] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1903] <... set_robust_list resumed>) = 0 [pid 1902] setpgid(0, 0) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 297] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... openat resumed>) = 3 [pid 1903] chdir("./140" [pid 1902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1903] <... chdir resumed>) = 0 [pid 297] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", [pid 297] newfstatat(3, "", [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1902] <... openat resumed>) = 3 [pid 1903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1902] write(3, "1000", 4 [pid 299] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 1903] setpgid(0, 0 [pid 1902] <... write resumed>) = 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1903] <... setpgid resumed>) = 0 [pid 1902] close(3 [pid 299] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... openat resumed>) = 3 [pid 297] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1902] <... close resumed>) = 0 [pid 1903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1902] symlink("/dev/binderfs", "./binderfs" [pid 299] newfstatat(3, "", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./142/binderfs", [pid 1902] <... symlink resumed>) = 0 [pid 1903] <... openat resumed>) = 3 executing program [pid 1902] write(1, "executing program\n", 18 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] newfstatat(AT_FDCWD, "./130/binderfs", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 1903] write(3, "1000", 4 [pid 1902] <... write resumed>) = 18 [pid 299] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./142/binderfs" [pid 1903] <... write resumed>) = 4 [pid 1902] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1903] close(3) = 0 [pid 1902] <... bpf resumed>) = 3 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] unlink("./130/binderfs" [pid 296] <... unlink resumed>) = 0 [pid 1903] symlink("/dev/binderfs", "./binderfs" [pid 1902] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 1903] <... symlink resumed>) = 0 [pid 1902] <... bpf resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] getdents64(3, [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1903] write(1, "executing program\n", 18executing program [pid 1902] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] newfstatat(AT_FDCWD, "./141/binderfs", [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 1903] <... write resumed>) = 18 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] close(3 [pid 296] <... close resumed>) = 0 [pid 299] unlink("./141/binderfs" [pid 297] <... close resumed>) = 0 [pid 296] rmdir("./142" [pid 1903] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1902] <... bpf resumed>) = 4 [pid 299] <... unlink resumed>) = 0 [pid 297] rmdir("./130" [pid 296] <... rmdir resumed>) = 0 [pid 1903] <... bpf resumed>) = 3 [pid 1902] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] getdents64(3, [pid 297] <... rmdir resumed>) = 0 [pid 296] mkdir("./143", 0777 [pid 1903] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] mkdir("./131", 0777 [pid 296] <... mkdir resumed>) = 0 [pid 1903] <... bpf resumed>) = 0 [pid 299] close(3 [pid 297] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1904 attached [pid 1903] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 299] <... close resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1904] set_robust_list(0x55555719e760, 24 [pid 1903] <... bpf resumed>) = 4 [pid 299] rmdir("./141" [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1904 [pid 299] <... rmdir resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1905 [pid 1903] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 299] mkdir("./142", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1906 attached [pid 1904] <... set_robust_list resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1906 ./strace-static-x86_64: Process 1905 attached [pid 1905] set_robust_list(0x55555719e760, 24) = 0 [pid 1905] chdir("./131" [pid 1906] set_robust_list(0x55555719e760, 24 [pid 1904] chdir("./143" [pid 1906] <... set_robust_list resumed>) = 0 [pid 1904] <... chdir resumed>) = 0 [pid 1904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1905] <... chdir resumed>) = 0 [pid 1905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1905] setpgid(0, 0) = 0 [pid 1905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1906] chdir("./142" [pid 1904] <... prctl resumed>) = 0 [pid 1905] <... openat resumed>) = 3 [pid 1905] write(3, "1000", 4) = 4 [pid 1905] close(3) = 0 [pid 1905] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 1905] write(1, "executing program\n", 18) = 18 [pid 1905] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1906] <... chdir resumed>) = 0 [pid 1904] setpgid(0, 0 [pid 1905] <... bpf resumed>) = 3 [pid 1905] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1904] <... setpgid resumed>) = 0 [pid 1905] <... bpf resumed>) = 0 [pid 1905] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1905] <... bpf resumed>) = 4 [pid 1905] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1904] write(3, "1000", 4 [pid 1906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1904] <... write resumed>) = 4 [pid 1904] close(3) = 0 [pid 1904] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1904] write(1, "executing program\n", 18executing program ) = 18 [pid 1904] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1906] <... prctl resumed>) = 0 [pid 1904] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1903] <... bpf resumed>) = 5 [pid 1902] <... bpf resumed>) = 5 [pid 1904] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1903] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1902] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1906] setpgid(0, 0 [pid 1903] <... openat resumed>) = 6 [pid 1902] <... openat resumed>) = 6 [pid 1903] ioctl(6, PPPIOCNEWUNIT [pid 1902] ioctl(6, PPPIOCNEWUNIT [pid 1905] <... bpf resumed>) = 5 [pid 1905] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1905] ioctl(6, PPPIOCNEWUNIT [pid 1904] <... bpf resumed>) = 4 [pid 1906] <... setpgid resumed>) = 0 [pid 1904] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1904] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 1906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1904] <... openat resumed>) = 6 [pid 1905] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1903] <... ioctl resumed>, 0x20001400) = 0 [pid 1905] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1905] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1905] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1906] <... openat resumed>) = 3 [pid 1904] ioctl(6, PPPIOCNEWUNIT [pid 1903] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1902] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1906] write(3, "1000", 4 [pid 1903] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1902] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1906] <... write resumed>) = 4 [pid 1904] <... ioctl resumed>, 0x20001400) = -1 EEXIST (File exists) [pid 1903] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1902] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1906] close(3 [pid 1904] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1903] <... bpf resumed>) = 7 [pid 1902] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1906] <... close resumed>) = 0 [pid 1904] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1903] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1902] <... bpf resumed>) = 7 [pid 1906] symlink("/dev/binderfs", "./binderfs" [pid 1905] <... bpf resumed>) = 0 [pid 1904] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1903] <... bpf resumed>) = 0 [pid 1902] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1903] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1904] <... bpf resumed>) = 7 [pid 1902] <... bpf resumed>) = 0 [pid 1905] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1906] <... symlink resumed>) = 0 [pid 1905] <... bpf resumed>) = 8 [pid 1904] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 1903] <... bpf resumed>) = 8 [pid 1902] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144executing program [pid 1906] write(1, "executing program\n", 18 [pid 1905] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1904] <... bpf resumed>) = 0 [pid 1903] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1902] <... bpf resumed>) = 8 [pid 1906] <... write resumed>) = 18 [pid 1905] <... bpf resumed>) = 9 [pid 1904] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1903] <... bpf resumed>) = 9 [pid 1902] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1906] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1905] exit_group(0 [pid 1904] <... bpf resumed>) = 8 [pid 1903] exit_group(0 [pid 1902] <... bpf resumed>) = 9 [pid 1906] <... bpf resumed>) = 3 [pid 1905] <... exit_group resumed>) = ? [pid 1904] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1903] <... exit_group resumed>) = ? [pid 1902] exit_group(0 [pid 1906] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1905] +++ exited with 0 +++ [pid 1904] <... bpf resumed>) = 9 [pid 1902] <... exit_group resumed>) = ? [pid 1906] <... bpf resumed>) = 0 [pid 1904] exit_group(0 [pid 1902] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1906] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1904] <... exit_group resumed>) = ? [pid 1906] <... bpf resumed>) = 4 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1906] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 298] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(AT_FDCWD, "./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] unlink("./141/binderfs") = 0 [pid 298] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] close(3) = 0 [pid 1906] <... bpf resumed>) = 5 [pid 1904] +++ exited with 0 +++ [pid 298] rmdir("./141" [pid 297] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1906] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 298] <... rmdir resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1906] <... openat resumed>) = 6 [pid 298] mkdir("./142", 0777 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1906] ioctl(6, PPPIOCNEWUNIT [pid 298] <... mkdir resumed>) = 0 [pid 297] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 1906] <... ioctl resumed>, 0x20001400) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] <... restart_syscall resumed>) = 0 [pid 1906] bpf(BPF_PROG_LOAD, NULL, 0 [pid 297] <... openat resumed>) = 3 [pid 1906] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1908 [pid 1906] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] newfstatat(3, "", [pid 296] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1906] <... bpf resumed>) = 7 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1906] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 296] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1906] <... bpf resumed>) = 0 [pid 296] <... openat resumed>) = 3 [pid 1906] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] newfstatat(3, "", [pid 1906] <... bpf resumed>) = 8 [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 1906] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 296] getdents64(3, [pid 1906] <... bpf resumed>) = 9 [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 1906] exit_group(0 [pid 296] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1906] <... exit_group resumed>) = ? [pid 297] getdents64(3, [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./143/binderfs", [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./143/binderfs") = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./143" [pid 297] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... rmdir resumed>) = 0 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] mkdir("./144", 0777 [pid 297] newfstatat(AT_FDCWD, "./131/binderfs", [pid 296] <... mkdir resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./131/binderfs" [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1909 ./strace-static-x86_64: Process 1908 attached [pid 1908] set_robust_list(0x55555719e760, 24) = 0 [pid 1908] chdir("./142") = 0 [pid 1908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 1909 attached [pid 297] <... unlink resumed>) = 0 [pid 1908] setpgid(0, 0 [pid 1909] set_robust_list(0x55555719e760, 24 [pid 297] getdents64(3, [pid 1908] <... setpgid resumed>) = 0 [pid 1908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1909] <... set_robust_list resumed>) = 0 [pid 1908] <... openat resumed>) = 3 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 1908] write(3, "1000", 4) = 4 [pid 1908] close(3) = 0 [pid 1908] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1908] write(1, "executing program\n", 18 [pid 1909] chdir("./144"executing program [pid 297] close(3 [pid 1908] <... write resumed>) = 18 [pid 1908] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 297] <... close resumed>) = 0 [pid 1909] <... chdir resumed>) = 0 [pid 1908] <... bpf resumed>) = 3 [pid 1908] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 1909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] rmdir("./131" [pid 1908] <... bpf resumed>) = 0 [pid 1908] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1909] <... prctl resumed>) = 0 [pid 1908] <... bpf resumed>) = 4 [pid 297] <... rmdir resumed>) = 0 [pid 1908] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1909] setpgid(0, 0 [pid 297] mkdir("./132", 0777) = 0 [pid 1909] <... setpgid resumed>) = 0 [pid 1909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1909] <... openat resumed>) = 3 [pid 1909] write(3, "1000", 4) = 4 [pid 297] <... clone resumed>, child_tidptr=0x55555719e750) = 1914 [pid 1909] close(3) = 0 [pid 1909] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1909] write(1, "executing program\n", 18executing program ) = 18 [pid 1909] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1909] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1909] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1908] <... bpf resumed>) = 5 [pid 1903] +++ exited with 0 +++ [pid 1908] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1908] ioctl(6, PPPIOCNEWUNIT [pid 1909] <... bpf resumed>) = 4 [pid 1908] <... ioctl resumed>, 0x20001400) = 0 [pid 1908] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1908] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1908] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4 [pid 295] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1909] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1908] <... bpf resumed>) = 0 [pid 1908] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 1909] <... bpf resumed>) = 5 [pid 1908] <... bpf resumed>) = 8 [pid 295] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1908] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1908] exit_group(0 [pid 1909] openat(AT_FDCWD, "/dev/ppp", O_RDONLY [pid 295] <... openat resumed>) = 3 [pid 1908] <... exit_group resumed>) = ? [pid 1909] <... openat resumed>) = 6 [pid 295] newfstatat(3, "", [pid 1909] ioctl(6, PPPIOCNEWUNIT [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./140/binderfs") = 0 [pid 295] getdents64(3, 0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./140") = 0 [pid 295] mkdir("./141", 0777) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1915 ./strace-static-x86_64: Process 1914 attached [pid 1914] set_robust_list(0x55555719e760, 24) = 0 [pid 1914] chdir("./132") = 0 [pid 1914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1909] <... ioctl resumed>, 0x20001400) = 0 [pid 1909] bpf(BPF_PROG_LOAD, NULL, 0 [pid 1914] setpgid(0, 0) = 0 [pid 1914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1914] write(3, "1000", 4) = 4 [pid 1914] close(3) = 0 [pid 1914] symlink("/dev/binderfs", "./binderfs" [pid 1909] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 1909] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1909] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4./strace-static-x86_64: Process 1915 attached ) = 0 [pid 1909] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1915] set_robust_list(0x55555719e760, 24 [pid 1914] <... symlink resumed>) = 0 [pid 1909] <... bpf resumed>) = 8 [pid 1909] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16 [pid 1914] write(1, "executing program\n", 18executing program [pid 1909] <... bpf resumed>) = 9 [pid 1914] <... write resumed>) = 18 [pid 1909] exit_group(0) = ? [pid 1914] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 1914] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1914] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1915] <... set_robust_list resumed>) = 0 [pid 1915] chdir("./141" [pid 1914] <... bpf resumed>) = 4 [pid 1915] <... chdir resumed>) = 0 [pid 1914] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16 [pid 1915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 1914] <... bpf resumed>) = 5 [pid 1914] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1914] ioctl(6, PPPIOCNEWUNIT [pid 1915] <... prctl resumed>) = 0 [pid 1915] setpgid(0, 0) = 0 [pid 1915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1914] <... ioctl resumed>, 0x20001400) = 0 [pid 1914] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1914] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1914] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1914] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1915] <... openat resumed>) = 3 [pid 1915] write(3, "1000", 4 [pid 1914] <... bpf resumed>) = 8 [pid 1915] <... write resumed>) = 4 [pid 1914] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1914] exit_group(0) = ? [pid 1915] close(3) = 0 [pid 1915] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1915] write(1, "executing program\n", 18executing program ) = 18 [pid 1906] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1906, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 1915] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 1915] <... bpf resumed>) = 3 [pid 1915] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1915] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 299] <... restart_syscall resumed>) = 0 [pid 1915] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1915] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1915] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = 0 [pid 1915] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1915] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1915] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1915] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1915] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1915] exit_group(0) = ? [pid 299] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", [pid 1909] +++ exited with 0 +++ [pid 1908] +++ exited with 0 +++ [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1908, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] getdents64(3, [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1909, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./142/binderfs", [pid 296] <... openat resumed>) = 3 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, [pid 299] unlink("./142/binderfs" [pid 298] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] <... unlink resumed>) = 0 [pid 298] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 299] getdents64(3, [pid 298] <... openat resumed>) = 3 [pid 296] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] newfstatat(3, "", [pid 299] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] close(3 [pid 296] newfstatat(AT_FDCWD, "./144/binderfs", [pid 298] getdents64(3, [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./142" [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] unlink("./144/binderfs" [pid 299] <... rmdir resumed>) = 0 [pid 299] mkdir("./143", 0777 [pid 298] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... unlink resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] getdents64(3, [pid 298] newfstatat(AT_FDCWD, "./142/binderfs", [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] close(3 [pid 299] <... clone resumed>, child_tidptr=0x55555719e750) = 1919 [pid 298] unlink("./142/binderfs" [pid 296] <... close resumed>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 296] rmdir("./144" [pid 298] getdents64(3, [pid 296] <... rmdir resumed>) = 0 [pid 298] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] mkdir("./145", 0777 [pid 298] close(3) = 0 [pid 298] rmdir("./142" [pid 296] <... mkdir resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 1919 attached [pid 1919] set_robust_list(0x55555719e760, 24) = 0 [pid 1919] chdir("./143" [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] mkdir("./143", 0777 [pid 1919] <... chdir resumed>) = 0 [pid 1919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1919] setpgid(0, 0) = 0 [pid 1919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 1919] write(3, "1000", 4) = 4 [pid 1919] close(3) = 0 [pid 1919] symlink("/dev/binderfs", "./binderfs") = 0 [pid 1919] write(1, "executing program\n", 18) = 18 [pid 1919] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 298] <... mkdir resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x55555719e750) = 1921 [pid 1919] <... bpf resumed>) = 3 [pid 1919] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1919] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 1919] <... bpf resumed>) = 4 [pid 1919] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1919] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1919] ioctl(6, PPPIOCNEWUNIT [pid 298] <... clone resumed>, child_tidptr=0x55555719e750) = 1922 [pid 1919] <... ioctl resumed>, 0x20001400) = 0 ./strace-static-x86_64: Process 1921 attached [pid 1921] set_robust_list(0x55555719e760, 24) = 0 [pid 1921] chdir("./145") = 0 [pid 1921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1921] setpgid(0, 0) = 0 [pid 1921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 1919] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1919] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1921] <... openat resumed>) = 3 [pid 1919] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1919] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 1921] write(3, "1000", 4) = 4 [pid 1921] close(3) = 0 [pid 1921] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 1921] write(1, "executing program\n", 18) = 18 [pid 1921] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 1919] <... bpf resumed>) = 8 [pid 1921] <... bpf resumed>) = 3 [pid 1921] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4) = 0 [pid 1921] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 1919] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1919] exit_group(0) = ? [pid 1921] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1921] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1921] ioctl(6, PPPIOCNEWUNIT, 0x20001400) = -1 EEXIST (File exists) [pid 1921] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1921] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 7 [pid 1921] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1921] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 8 [pid 1921] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1921] exit_group(0) = ? ./strace-static-x86_64: Process 1922 attached [pid 1922] set_robust_list(0x55555719e760, 24) = 0 [pid 1922] chdir("./143") = 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 1921] +++ exited with 0 +++ [pid 1922] write(3, "1000", 4) = 4 [pid 1922] close(3) = 0 [pid 1922] symlink("/dev/binderfs", "./binderfs") = 0 [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1921, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 1922] write(1, "executing program\n", 18) = 18 [pid 1922] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 1922] <... bpf resumed>) = 3 [pid 1922] bpf(BPF_MAP_FREEZE, {map_fd=3}, 4 [pid 296] <... restart_syscall resumed>) = 0 [pid 1922] <... bpf resumed>) = 0 [pid 1922] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 1922] <... bpf resumed>) = 4 [pid 1922] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=4}}, 16) = 5 [pid 1922] openat(AT_FDCWD, "/dev/ppp", O_RDONLY) = 6 [pid 1922] ioctl(6, PPPIOCNEWUNIT [pid 296] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1922] <... ioctl resumed>, 0x20001400) = 0 [pid 1922] bpf(BPF_PROG_LOAD, NULL, 0) = -1 EFAULT (Bad address) [pid 1922] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./145/binderfs", [pid 1922] <... bpf resumed>) = 7 [pid 1922] bpf(BPF_MAP_FREEZE, {map_fd=7}, 4) = 0 [pid 1922] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=24, insns=0x200001c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] unlink("./145/binderfs") = 0 [pid 1922] <... bpf resumed>) = 8 [pid 296] getdents64(3, [pid 1922] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="kfree", prog_fd=8}}, 16) = 9 [pid 1922] exit_group(0) = ? [pid 296] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 296] close(3) = 0 [pid 296] rmdir("./145") = 0 [pid 296] mkdir("./146", 0777) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555719e750) = 1924 ./strace-static-x86_64: Process 1924 attached [pid 1915] +++ exited with 0 +++ [pid 1914] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1915, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 297] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 1924] set_robust_list(0x55555719e760, 24 [pid 295] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 1924] <... set_robust_list resumed>) = 0 [pid 295] <... openat resumed>) = 3 [pid 297] <... openat resumed>) = 3 [pid 295] newfstatat(3, "", [pid 1924] chdir("./146" [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, [pid 295] getdents64(3, [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./132/binderfs", [pid 295] newfstatat(AT_FDCWD, "./141/binderfs", [pid 1924] <... chdir resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./141/binderfs" [pid 1924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] unlink("./132/binderfs" [pid 295] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 295] getdents64(3, [pid 297] getdents64(3, [pid 295] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 297] <... getdents64 resumed>0x55555719f7f0 /* 0 entries */, 32768) = 0 [pid 295] close(3 [pid 297] close(3 [pid 295] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 295] rmdir("./141" [pid 297] rmdir("./132" [pid 295] <... rmdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 295] mkdir("./142", 0777 [pid 297] mkdir("./133", 0777 [pid 295] <... mkdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1925 attached [pid 1925] set_robust_list(0x55555719e760, 24) = 0 [pid 1925] chdir("./142") = 0 [pid 1925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1925] setpgid(0, 0) = 0 [pid 1925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1925] write(3, "1000", 4) = 4 [pid 1925] close(3) = 0 [pid 1925] symlink("/dev/binderfs", "./binderfs" [pid 1924] <... prctl resumed>) = 0