./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1387022153 <...> Warning: Permanently added '10.128.0.208' (ED25519) to the list of known hosts. execve("./syz-executor1387022153", ["./syz-executor1387022153"], 0x7fff631a4cb0 /* 10 vars */) = 0 brk(NULL) = 0x555556add000 brk(0x555556addd00) = 0x555556addd00 arch_prctl(ARCH_SET_FS, 0x555556add380) = 0 set_tid_address(0x555556add650) = 292 set_robust_list(0x555556add660, 24) = 0 rseq(0x555556addca0, 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-executor1387022153", 4096) = 28 getrandom("\x25\x83\x3a\xf0\xe3\x29\xdb\xe2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556addd00 brk(0x555556afed00) = 0x555556afed00 brk(0x555556aff000) = 0x555556aff000 mprotect(0x7f9e8b01f000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add650) = 293 ./strace-static-x86_64: Process 293 attached [pid 293] set_robust_list(0x555556add660, 24) = 0 [pid 293] mkdir("./syzkaller.fKdBgI", 0700 [pid 292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... mkdir resumed>) = 0 [pid 293] chmod("./syzkaller.fKdBgI", 0777) = 0 [pid 293] chdir("./syzkaller.fKdBgI") = 0 [pid 293] mkdir("./0", 0777) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 292] <... clone resumed>, child_tidptr=0x555556add650) = 294 ./strace-static-x86_64: Process 294 attached [pid 293] <... clone resumed>, child_tidptr=0x555556add650) = 295 [pid 292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 295 attached [pid 295] set_robust_list(0x555556add660, 24) = 0 [pid 295] chdir("./0") = 0 [pid 295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 295] setpgid(0, 0) = 0 [pid 292] <... clone resumed>, child_tidptr=0x555556add650) = 296 [pid 295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 294] set_robust_list(0x555556add660, 24 [pid 295] <... openat resumed>) = 3 [pid 295] write(3, "1000", 4) = 4 [pid 295] close(3) = 0 [pid 295] symlink("/dev/binderfs", "./binderfs" [pid 292] <... clone resumed>, child_tidptr=0x555556add650) = 297 [pid 294] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 296 attached [pid 295] <... symlink resumed>) = 0 [pid 295] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72./strace-static-x86_64: Process 297 attached [pid 292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] set_robust_list(0x555556add660, 24 [pid 294] mkdir("./syzkaller.Aar09X", 0700./strace-static-x86_64: Process 298 attached [pid 292] <... clone resumed>, child_tidptr=0x555556add650) = 298 [pid 298] set_robust_list(0x555556add660, 24) = 0 [pid 298] mkdir("./syzkaller.C2VoHB", 0700) = 0 [pid 298] chmod("./syzkaller.C2VoHB", 0777) = 0 [pid 298] chdir("./syzkaller.C2VoHB") = 0 [pid 294] <... mkdir resumed>) = 0 [pid 298] mkdir("./0", 0777 [pid 294] chmod("./syzkaller.Aar09X", 0777 [pid 298] <... mkdir resumed>) = 0 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add650) = 299 [pid 294] <... chmod resumed>) = 0 [pid 296] <... set_robust_list resumed>) = 0 [pid 294] chdir("./syzkaller.Aar09X") = 0 [pid 294] mkdir("./0", 0777) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] mkdir("./syzkaller.dOzeKH", 0700 [pid 294] <... clone resumed>, child_tidptr=0x555556add650) = 300 [pid 297] set_robust_list(0x555556add660, 24 [pid 296] <... mkdir resumed>) = 0 [pid 297] <... set_robust_list resumed>) = 0 [pid 296] chmod("./syzkaller.dOzeKH", 0777) = 0 [pid 296] chdir("./syzkaller.dOzeKH") = 0 [pid 296] mkdir("./0", 0777) = 0 ./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x555556add660, 24) = 0 [pid 299] chdir("./0") = 0 ./strace-static-x86_64: Process 300 attached [pid 297] mkdir("./syzkaller.xl2qcr", 0700 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] setpgid(0, 0) = 0 [pid 299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "1000", 4) = 4 [pid 297] <... mkdir resumed>) = 0 [pid 299] close(3) = 0 [pid 299] symlink("/dev/binderfs", "./binderfs" [pid 296] <... clone resumed>, child_tidptr=0x555556add650) = 301 [pid 297] chmod("./syzkaller.xl2qcr", 0777 [pid 299] <... symlink resumed>) = 0 [pid 299] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 297] <... chmod resumed>) = 0 [pid 297] chdir("./syzkaller.xl2qcr" [pid 300] set_robust_list(0x555556add660, 24./strace-static-x86_64: Process 301 attached [pid 297] <... chdir resumed>) = 0 [pid 297] mkdir("./0", 0777 [pid 301] set_robust_list(0x555556add660, 24 [pid 300] <... set_robust_list resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 301] <... set_robust_list resumed>) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] chdir("./0" [pid 301] chdir("./0" [pid 297] <... clone resumed>, child_tidptr=0x555556add650) = 302 [pid 300] <... chdir resumed>) = 0 [pid 301] <... chdir resumed>) = 0 [pid 300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 300] <... prctl resumed>) = 0 [pid 301] <... prctl resumed>) = 0 [pid 300] setpgid(0, 0) = 0 [pid 301] setpgid(0, 0) = 0 [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 301] write(3, "1000", 4) = 4 [pid 300] <... openat resumed>) = 3 [pid 301] close(3) = 0 [pid 300] write(3, "1000", 4 [pid 301] symlink("/dev/binderfs", "./binderfs" [pid 300] <... write resumed>) = 4 [pid 300] close(3) = 0 [pid 301] <... symlink resumed>) = 0 [pid 300] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 302 attached ) = 0 [pid 301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 300] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 302] set_robust_list(0x555556add660, 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 [ 19.775473][ T30] audit: type=1400 audit(1712819278.421:66): avc: denied { execmem } for pid=292 comm="syz-executor138" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 19.784673][ T30] audit: type=1400 audit(1712819278.431:67): avc: denied { prog_load } for pid=295 comm="syz-executor138" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 19.789011][ T30] audit: type=1400 audit(1712819278.431:68): avc: denied { bpf } for pid=295 comm="syz-executor138" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 301] <... bpf resumed>) = 3 [pid 300] <... bpf resumed>) = 3 [pid 299] <... bpf resumed>) = 3 [pid 302] close(3 [pid 299] close(3 [pid 302] <... close resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 302] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 299] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 302] <... socketpair resumed>[3, 4]) = 0 [pid 299] <... socketpair resumed>[3, 4]) = 0 [pid 299] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 301] close(3 [pid 300] close(3 [pid 299] <... bpf resumed>) = 5 [pid 302] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32 [pid 299] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32 [pid 302] <... bpf resumed>) = 0 [pid 301] <... close resumed>) = 0 [pid 300] <... close resumed>) = 0 [pid 299] <... bpf resumed>) = 0 [pid 302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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>) = -1 EFAULT (Bad address) [pid 299] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 302] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 300] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 302] <... bpf resumed>) = 6 [pid 301] <... socketpair resumed>[3, 4]) = 0 [pid 300] <... socketpair resumed>[3, 4]) = 0 [pid 299] <... bpf resumed>) = 6 [pid 302] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 301] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 302] <... bpf resumed>) = 7 [pid 301] <... bpf resumed>) = 5 [pid 300] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] exit_group(0 [pid 301] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32 [pid 299] <... bpf resumed>) = 7 [pid 302] <... exit_group resumed>) = ? [pid 301] <... bpf resumed>) = 0 [pid 299] exit_group(0 [pid 301] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 300] <... bpf resumed>) = 5 [pid 300] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32 [pid 301] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 300] <... bpf resumed>) = 0 [pid 299] <... exit_group resumed>) = ? [pid 300] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 300] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 300] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 300] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 301] <... bpf resumed>) = 6 [pid 301] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 295] <... bpf resumed>) = 3 [pid 295] close(3) = 0 [pid 295] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0 [pid 295] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 295] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32) = 0 [pid 295] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = -1 EFAULT (Bad address) [pid 295] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [ 19.953859][ T30] audit: type=1400 audit(1712819278.601:69): avc: denied { prog_run } for pid=301 comm="syz-executor138" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 19.979216][ T30] audit: type=1400 audit(1712819278.631:70): avc: denied { map_create } for pid=299 comm="syz-executor138" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [pid 295] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 299] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 302] +++ exited with 0 +++ [pid 298] <... restart_syscall resumed>) = 0 [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 298] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(3, "", [pid 297] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] newfstatat(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>0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 297] getdents64(3, [pid 298] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... getdents64 resumed>0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] newfstatat(AT_FDCWD, "./0/binderfs", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] newfstatat(AT_FDCWD, "./0/binderfs", [pid 298] unlink("./0/binderfs" [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./0/binderfs" [pid 298] <... unlink resumed>) = 0 [pid 297] <... unlink resumed>) = 0 [pid 298] getdents64(3, 0x555556ade6f0 /* 0 entries */, 32768) = 0 [pid 297] getdents64(3, [pid 298] close(3 [pid 297] <... getdents64 resumed>0x555556ade6f0 /* 0 entries */, 32768) = 0 [pid 298] <... close resumed>) = 0 [pid 297] close(3 [pid 298] rmdir("./0" [pid 297] <... close resumed>) = 0 [pid 297] rmdir("./0" [pid 298] <... rmdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 298] mkdir("./1", 0777 [pid 297] mkdir("./1", 0777 [pid 301] <... bpf resumed>) = 7 [pid 300] <... bpf resumed>) = 7 [pid 295] <... bpf resumed>) = 7 [pid 300] exit_group(0) = ? [pid 301] exit_group(0 [pid 300] +++ exited with 0 +++ [pid 298] <... mkdir resumed>) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 295] exit_group(0 [pid 301] <... exit_group resumed>) = ? [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 295] <... exit_group resumed>) = ? [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 294] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 294] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(3, 0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 294] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] <... clone resumed>, child_tidptr=0x555556add650) = 303 [pid 294] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./0/binderfs"./strace-static-x86_64: Process 304 attached [pid 298] <... clone resumed>, child_tidptr=0x555556add650) = 304 [pid 294] <... unlink resumed>) = 0 [pid 294] getdents64(3, 0x555556ade6f0 /* 0 entries */, 32768) = 0 [pid 294] close(3) = 0 [pid 294] rmdir("./0" [pid 304] set_robust_list(0x555556add660, 24 [pid 294] <... rmdir resumed>) = 0 [pid 294] mkdir("./1", 0777 [pid 304] <... set_robust_list resumed>) = 0 [pid 294] <... mkdir resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] chdir("./1"./strace-static-x86_64: Process 305 attached [pid 294] <... clone resumed>, child_tidptr=0x555556add650) = 305 [pid 305] set_robust_list(0x555556add660, 24 [pid 304] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 303 attached [pid 303] set_robust_list(0x555556add660, 24) = 0 [pid 303] chdir("./1" [pid 305] <... set_robust_list resumed>) = 0 [pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 303] <... chdir resumed>) = 0 [pid 304] <... prctl resumed>) = 0 [pid 303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 305] chdir("./1" [pid 304] setpgid(0, 0 [pid 303] <... prctl resumed>) = 0 [pid 304] <... setpgid resumed>) = 0 [pid 303] setpgid(0, 0) = 0 [pid 303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] <... chdir resumed>) = 0 [pid 304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 304] <... openat resumed>) = 3 [pid 305] <... prctl resumed>) = 0 [pid 304] write(3, "1000", 4 [pid 305] setpgid(0, 0 [pid 304] <... write resumed>) = 4 [pid 305] <... setpgid resumed>) = 0 [pid 304] close(3) = 0 [pid 305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 303] <... openat resumed>) = 3 [pid 303] write(3, "1000", 4) = 4 [pid 303] close(3) = 0 [pid 303] symlink("/dev/binderfs", "./binderfs" [pid 304] symlink("/dev/binderfs", "./binderfs" [pid 305] <... openat resumed>) = 3 [pid 304] <... symlink resumed>) = 0 [pid 303] <... symlink resumed>) = 0 [pid 305] write(3, "1000", 4 [pid 303] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 305] <... write resumed>) = 4 [pid 304] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 305] close(3 [pid 304] <... bpf resumed>) = 3 [pid 303] <... bpf resumed>) = 3 [pid 305] <... close resumed>) = 0 [pid 303] close(3) = 0 [pid 303] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 305] symlink("/dev/binderfs", "./binderfs" [pid 304] close(3) = 0 [pid 303] <... socketpair resumed>[3, 4]) = 0 [pid 305] <... symlink resumed>) = 0 [pid 304] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 303] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 304] <... socketpair resumed>[3, 4]) = 0 [pid 303] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32) = 0 [pid 304] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 305] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 304] <... bpf resumed>) = 5 [pid 304] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32) = 0 [pid 304] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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>) = -1 EFAULT (Bad address) [pid 303] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 304] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 305] <... bpf resumed>) = 3 [pid 304] <... bpf resumed>) = 6 [pid 303] <... bpf resumed>) = 6 [pid 304] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 303] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 305] close(3) = 0 [pid 305] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0 [pid 305] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 305] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32) = 0 [pid 305] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = -1 EFAULT (Bad address) [pid 305] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] +++ exited with 0 +++ [pid 295] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=12} --- [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 296] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 305] <... bpf resumed>) = 6 [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, [pid 293] <... restart_syscall resumed>) = 0 [pid 296] <... getdents64 resumed>0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 296] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] newfstatat(AT_FDCWD, "./0/binderfs", [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] unlink("./0/binderfs" [pid 293] <... openat resumed>) = 3 [pid 296] <... unlink resumed>) = 0 [pid 293] newfstatat(3, "", [pid 296] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... getdents64 resumed>0x555556ade6f0 /* 0 entries */, 32768) = 0 [pid 296] close(3 [pid 293] getdents64(3, [pid 296] <... close resumed>) = 0 [pid 296] rmdir("./0" [pid 293] <... getdents64 resumed>0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 296] <... rmdir resumed>) = 0 [pid 293] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] mkdir("./1", 0777 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... mkdir resumed>) = 0 [pid 293] newfstatat(AT_FDCWD, "./0/binderfs", [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./0/binderfs" [pid 305] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 296] <... clone resumed>, child_tidptr=0x555556add650) = 306 ./strace-static-x86_64: Process 306 attached [pid 293] <... unlink resumed>) = 0 [pid 293] getdents64(3, 0x555556ade6f0 /* 0 entries */, 32768) = 0 [pid 306] set_robust_list(0x555556add660, 24 [pid 293] close(3 [pid 306] <... set_robust_list resumed>) = 0 [pid 293] <... close resumed>) = 0 [pid 293] rmdir("./0") = 0 [pid 293] mkdir("./1", 0777 [pid 306] chdir("./1" [pid 293] <... mkdir resumed>) = 0 [pid 306] <... chdir resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] setpgid(0, 0) = 0 [pid 306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 293] <... clone resumed>, child_tidptr=0x555556add650) = 307 [pid 306] write(3, "1000", 4./strace-static-x86_64: Process 307 attached ) = 4 [pid 306] close(3 [pid 307] set_robust_list(0x555556add660, 24 [pid 306] <... close resumed>) = 0 [pid 307] <... set_robust_list resumed>) = 0 [pid 306] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 307] chdir("./1" [pid 306] <... bpf resumed>) = 3 [pid 307] <... chdir resumed>) = 0 [pid 307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] close(3 [pid 307] <... prctl resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 306] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 307] setpgid(0, 0 [pid 306] <... socketpair resumed>[3, 4]) = 0 [pid 307] <... setpgid resumed>) = 0 [pid 306] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 306] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32) = 0 [pid 306] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 306] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 307] <... openat resumed>) = 3 [pid 307] write(3, "1000", 4 [pid 306] <... bpf resumed>) = 6 [pid 307] <... write resumed>) = 4 [pid 306] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 307] close(3) = 0 [pid 307] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 307] close(3) = 0 [pid 307] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0 [pid 307] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 307] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32) = 0 [pid 307] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = -1 EFAULT (Bad address) [pid 307] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [ 19.998887][ T30] audit: type=1400 audit(1712819278.631:71): avc: denied { map_read map_write } for pid=299 comm="syz-executor138" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 20.018953][ T30] audit: type=1400 audit(1712819278.631:72): avc: denied { perfmon } for pid=295 comm="syz-executor138" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [pid 307] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 304] <... bpf resumed>) = 7 [pid 303] <... bpf resumed>) = 7 [pid 305] <... bpf resumed>) = 7 [pid 307] <... bpf resumed>) = 7 [pid 306] <... bpf resumed>) = 7 [pid 304] exit_group(0) = ? [pid 303] exit_group(0 [pid 307] exit_group(0 [pid 306] exit_group(0 [pid 305] exit_group(0 [pid 304] +++ exited with 0 +++ [pid 303] <... exit_group resumed>) = ? [pid 306] <... exit_group resumed>) = ? [pid 305] <... exit_group resumed>) = ? [pid 303] +++ exited with 0 +++ [pid 298] --- 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] --- 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] restart_syscall(<... resuming interrupted clone ...> [pid 305] +++ exited with 0 +++ [pid 298] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 298] <... openat resumed>) = 3 [pid 298] newfstatat(3, "", [pid 297] <... restart_syscall resumed>) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] getdents64(3, [pid 297] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] <... getdents64 resumed>0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 297] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... exit_group resumed>) = ? [pid 298] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... openat resumed>) = 3 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(3, "", [pid 298] newfstatat(AT_FDCWD, "./1/binderfs", [pid 297] <... 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 297] getdents64(3, [pid 294] <... restart_syscall resumed>) = 0 [pid 298] unlink("./1/binderfs" [pid 297] <... getdents64 resumed>0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 298] <... unlink resumed>) = 0 [pid 297] newfstatat(AT_FDCWD, "./1/binderfs", [pid 298] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... getdents64 resumed>0x555556ade6f0 /* 0 entries */, 32768) = 0 [pid 297] unlink("./1/binderfs" [pid 294] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] close(3 [pid 297] <... unlink resumed>) = 0 [pid 297] getdents64(3, [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... close resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556ade6f0 /* 0 entries */, 32768) = 0 [pid 297] close(3 [pid 294] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] rmdir("./1" [pid 297] <... close resumed>) = 0 [pid 297] rmdir("./1" [pid 298] <... rmdir resumed>) = 0 [pid 297] <... rmdir resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 298] mkdir("./2", 0777 [pid 297] mkdir("./2", 0777 [pid 294] newfstatat(3, "", [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 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(3, [pid 298] <... clone resumed>, child_tidptr=0x555556add650) = 308 [pid 297] <... clone resumed>, child_tidptr=0x555556add650) = 309 [pid 294] <... getdents64 resumed>0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 294] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 309 attached [pid 294] newfstatat(AT_FDCWD, "./1/binderfs", ./strace-static-x86_64: Process 308 attached {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] set_robust_list(0x555556add660, 24 [pid 294] unlink("./1/binderfs" [pid 308] set_robust_list(0x555556add660, 24) = 0 [pid 309] <... set_robust_list resumed>) = 0 [pid 294] <... unlink resumed>) = 0 [pid 294] getdents64(3, 0x555556ade6f0 /* 0 entries */, 32768) = 0 [pid 294] close(3) = 0 [pid 294] rmdir("./1" [pid 308] chdir("./2" [pid 309] chdir("./2") = 0 [pid 294] <... rmdir resumed>) = 0 [pid 294] mkdir("./2", 0777 [pid 308] <... chdir resumed>) = 0 [pid 309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] setpgid(0, 0 [pid 308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] setpgid(0, 0 [pid 294] <... mkdir resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... setpgid resumed>) = 0 [pid 309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... setpgid resumed>) = 0 [pid 308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 294] <... clone resumed>, child_tidptr=0x555556add650) = 310 [pid 308] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 308] write(3, "1000", 4 [pid 309] write(3, "1000", 4 [pid 308] <... write resumed>) = 4 [pid 309] <... write resumed>) = 4 [pid 308] close(3 [pid 309] close(3 [pid 308] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 309] symlink("/dev/binderfs", "./binderfs" [pid 308] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... symlink resumed>) = 0 [pid 309] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 308] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 309] <... bpf resumed>) = 3 [pid 308] <... bpf resumed>) = 3 [pid 309] close(3./strace-static-x86_64: Process 310 attached [pid 308] close(3 [pid 310] set_robust_list(0x555556add660, 24 [pid 309] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] <... set_robust_list resumed>) = 0 [pid 309] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 308] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 309] <... socketpair resumed>[3, 4]) = 0 [pid 308] <... socketpair resumed>[3, 4]) = 0 [pid 310] chdir("./2" [pid 309] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... chdir resumed>) = 0 [pid 309] <... bpf resumed>) = 5 [pid 308] <... bpf resumed>) = 5 [pid 310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32 [pid 308] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32 [pid 310] <... prctl resumed>) = 0 [pid 309] <... bpf resumed>) = 0 [pid 308] <... bpf resumed>) = 0 [pid 310] setpgid(0, 0 [pid 309] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 308] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... setpgid resumed>) = 0 [pid 309] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 308] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 308] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] <... openat resumed>) = 3 [pid 309] <... bpf resumed>) = 6 [pid 308] <... bpf resumed>) = 6 [pid 310] write(3, "1000", 4 [pid 309] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 308] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 310] <... write resumed>) = 4 [pid 310] close(3) = 0 [pid 310] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 310] close(3) = 0 [pid 310] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0 [pid 310] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 310] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32) = 0 [pid 310] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = -1 EFAULT (Bad address) [pid 310] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 310] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 306] +++ exited with 0 +++ [pid 307] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 296] <... restart_syscall resumed>) = 0 [pid 293] <... restart_syscall resumed>) = 0 [pid 296] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 293] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] <... openat resumed>) = 3 [pid 296] newfstatat(3, "", [pid 293] <... openat resumed>) = 3 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] newfstatat(3, "", [pid 296] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... getdents64 resumed>0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 293] getdents64(3, [pid 296] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 293] <... getdents64 resumed>0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] 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 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] unlink("./1/binderfs" [pid 293] newfstatat(AT_FDCWD, "./1/binderfs", [pid 296] <... unlink resumed>) = 0 [pid 296] getdents64(3, [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... getdents64 resumed>0x555556ade6f0 /* 0 entries */, 32768) = 0 [pid 293] unlink("./1/binderfs" [pid 296] close(3) = 0 [pid 293] <... unlink resumed>) = 0 [pid 296] rmdir("./1" [pid 293] getdents64(3, [pid 296] <... rmdir resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556ade6f0 /* 0 entries */, 32768) = 0 [pid 296] mkdir("./2", 0777 [pid 293] close(3 [pid 296] <... mkdir resumed>) = 0 [pid 293] <... close resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] rmdir("./1"./strace-static-x86_64: Process 312 attached [pid 312] set_robust_list(0x555556add660, 24) = 0 [pid 312] chdir("./2" [pid 296] <... clone resumed>, child_tidptr=0x555556add650) = 312 [pid 293] <... rmdir resumed>) = 0 [pid 293] mkdir("./2", 0777 [pid 312] <... chdir resumed>) = 0 [pid 312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 312] setpgid(0, 0) = 0 [pid 293] <... mkdir resumed>) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 312] write(3, "1000", 4 [pid 293] <... clone resumed>, child_tidptr=0x555556add650) = 313 [pid 312] <... write resumed>) = 4 [pid 312] close(3) = 0 [pid 312] symlink("/dev/binderfs", "./binderfs") = 0 [pid 312] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72./strace-static-x86_64: Process 313 attached ) = 3 [pid 313] set_robust_list(0x555556add660, 24) = 0 [pid 312] close(3) = 0 [pid 312] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 313] chdir("./2" [pid 312] <... socketpair resumed>[3, 4]) = 0 [pid 312] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, 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] <... chdir resumed>) = 0 [pid 312] <... bpf resumed>) = 5 [pid 313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 312] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32 [pid 313] <... prctl resumed>) = 0 [pid 312] <... bpf resumed>) = 0 [pid 312] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_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] setpgid(0, 0 [pid 312] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 313] <... setpgid resumed>) = 0 [pid 312] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 312] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 313] write(3, "1000", 4) = 4 [pid 313] close(3) = 0 [pid 313] symlink("/dev/binderfs", "./binderfs") = 0 [pid 313] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [pid 313] close(3) = 0 [pid 313] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0 [pid 313] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 313] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32) = 0 [pid 313] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = -1 EFAULT (Bad address) [pid 313] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 313] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 309] <... bpf resumed>) = 7 [pid 308] <... bpf resumed>) = 7 [pid 313] <... bpf resumed>) = 7 [pid 312] <... bpf resumed>) = 7 [pid 310] <... bpf resumed>) = 7 [pid 309] exit_group(0 [pid 308] exit_group(0 [pid 313] exit_group(0 [pid 312] exit_group(0 [pid 310] exit_group(0 [pid 309] <... exit_group resumed>) = ? [pid 308] <... exit_group resumed>) = ? [pid 313] <... exit_group resumed>) = ? [pid 312] <... exit_group resumed>) = ? [pid 310] <... exit_group resumed>) = ? [pid 309] +++ exited with 0 +++ [pid 308] +++ exited with 0 +++ [pid 312] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] restart_syscall(<... resuming interrupted clone ...> [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] <... restart_syscall resumed>) = 0 [pid 296] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./2", 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 297] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... getdents64 resumed>0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] <... openat resumed>) = 3 [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] newfstatat(3, "", [pid 297] <... openat resumed>) = 3 [pid 296] newfstatat(AT_FDCWD, "./2/binderfs", [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] newfstatat(3, "", [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] unlink("./2/binderfs" [pid 298] <... getdents64 resumed>0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 297] getdents64(3, [pid 296] <... unlink resumed>) = 0 [pid 297] <... getdents64 resumed>0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 298] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] getdents64(3, [pid 297] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x555556ade6f0 /* 0 entries */, 32768) = 0 [pid 298] newfstatat(AT_FDCWD, "./2/binderfs", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] close(3 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] newfstatat(AT_FDCWD, "./2/binderfs", [pid 298] unlink("./2/binderfs" [pid 296] <... close resumed>) = 0 [pid 297] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... unlink resumed>) = 0 [pid 297] unlink("./2/binderfs" [pid 296] rmdir("./2" [pid 298] getdents64(3, [pid 297] <... unlink resumed>) = 0 [pid 297] getdents64(3, [pid 296] <... rmdir resumed>) = 0 [pid 298] <... getdents64 resumed>0x555556ade6f0 /* 0 entries */, 32768) = 0 [pid 297] <... getdents64 resumed>0x555556ade6f0 /* 0 entries */, 32768) = 0 [pid 298] close(3 [pid 296] mkdir("./3", 0777 [pid 297] close(3 [pid 298] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 298] rmdir("./2" [pid 297] rmdir("./2" [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... rmdir resumed>) = 0 [pid 298] mkdir("./3", 0777 [pid 297] <... rmdir resumed>) = 0 [pid 297] mkdir("./3", 0777./strace-static-x86_64: Process 315 attached [pid 315] set_robust_list(0x555556add660, 24) = 0 [pid 315] chdir("./3" [pid 298] <... mkdir resumed>) = 0 [pid 315] <... chdir resumed>) = 0 [pid 315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 315] setpgid(0, 0) = 0 [pid 315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 297] <... mkdir resumed>) = 0 [pid 296] <... clone resumed>, child_tidptr=0x555556add650) = 315 [pid 315] <... openat resumed>) = 3 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] <... clone resumed>, child_tidptr=0x555556add650) = 316 [pid 315] write(3, "1000", 4) = 4 [pid 315] close(3) = 0 [pid 315] symlink("/dev/binderfs", "./binderfs") = 0 [pid 297] <... clone resumed>, child_tidptr=0x555556add650) = 317 [pid 315] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72./strace-static-x86_64: Process 316 attached [pid 316] set_robust_list(0x555556add660, 24./strace-static-x86_64: Process 317 attached ) = 0 [pid 315] <... bpf resumed>) = 3 [pid 315] close(3) = 0 [pid 315] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 317] set_robust_list(0x555556add660, 24 [pid 316] chdir("./3" [pid 315] <... socketpair resumed>[3, 4]) = 0 [pid 315] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 317] <... set_robust_list resumed>) = 0 [pid 316] <... chdir resumed>) = 0 [pid 315] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32) = 0 [pid 315] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 317] chdir("./3" [pid 315] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 315] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 317] <... chdir resumed>) = 0 [pid 316] setpgid(0, 0 [pid 317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 316] <... setpgid resumed>) = 0 [pid 315] <... bpf resumed>) = 6 [pid 315] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 317] <... prctl resumed>) = 0 [pid 316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 317] setpgid(0, 0) = 0 [pid 316] write(3, "1000", 4) = 4 [pid 316] close(3) = 0 [pid 316] symlink("/dev/binderfs", "./binderfs" [pid 317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 316] <... symlink resumed>) = 0 [pid 317] <... openat resumed>) = 3 [pid 316] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 317] write(3, "1000", 4 [pid 316] <... bpf resumed>) = 3 [pid 317] <... write resumed>) = 4 [pid 316] close(3) = 0 [pid 317] close(3 [pid 316] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0 [pid 317] <... close resumed>) = 0 [pid 316] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 317] symlink("/dev/binderfs", "./binderfs" [pid 316] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32) = 0 [pid 317] <... symlink resumed>) = 0 [pid 316] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 317] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 316] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 310] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 313] +++ exited with 0 +++ [pid 294] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 316] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 294] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 294] <... openat resumed>) = 3 [pid 294] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(3, 0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 294] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 293] <... restart_syscall resumed>) = 0 [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] newfstatat(AT_FDCWD, "./2/binderfs", [pid 316] <... bpf resumed>) = 6 [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] unlink("./2/binderfs" [pid 316] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 293] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 294] <... unlink resumed>) = 0 [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] getdents64(3, [pid 293] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... getdents64 resumed>0x555556ade6f0 /* 0 entries */, 32768) = 0 [pid 293] <... openat resumed>) = 3 [pid 294] close(3 [pid 293] newfstatat(3, "", [pid 294] <... close resumed>) = 0 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] rmdir("./2" [pid 293] getdents64(3, [pid 294] <... rmdir resumed>) = 0 [pid 293] <... getdents64 resumed>0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 294] mkdir("./3", 0777 [pid 293] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 294] <... mkdir resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./2/binderfs", [pid 294] <... clone resumed>, child_tidptr=0x555556add650) = 318 ./strace-static-x86_64: Process 318 attached [pid 293] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./2/binderfs" [pid 318] set_robust_list(0x555556add660, 24 [pid 293] <... unlink resumed>) = 0 [pid 318] <... set_robust_list resumed>) = 0 [pid 293] getdents64(3, 0x555556ade6f0 /* 0 entries */, 32768) = 0 [pid 317] <... bpf resumed>) = 3 [pid 293] close(3 [pid 318] chdir("./3" [pid 317] close(3 [pid 293] <... close resumed>) = 0 [pid 293] rmdir("./2" [pid 317] <... close resumed>) = 0 [pid 317] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 293] <... rmdir resumed>) = 0 [pid 293] mkdir("./3", 0777) = 0 [pid 317] <... socketpair resumed>[3, 4]) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 318] <... chdir resumed>) = 0 [pid 317] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 293] <... clone resumed>, child_tidptr=0x555556add650) = 319 [pid 318] <... prctl resumed>) = 0 [pid 317] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32 [pid 318] setpgid(0, 0 [pid 317] <... bpf resumed>) = 0 [pid 317] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 318] <... setpgid resumed>) = 0 [pid 317] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 317] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 318] <... openat resumed>) = 3 [pid 318] write(3, "1000", 4 [pid 317] <... bpf resumed>) = 6 [pid 318] <... write resumed>) = 4 ./strace-static-x86_64: Process 319 attached [pid 318] close(3 [pid 317] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 319] set_robust_list(0x555556add660, 24 [pid 318] <... close resumed>) = 0 [pid 319] <... set_robust_list resumed>) = 0 [pid 318] symlink("/dev/binderfs", "./binderfs" [pid 319] chdir("./3" [pid 318] <... symlink resumed>) = 0 [pid 319] <... chdir resumed>) = 0 [pid 319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 318] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 319] <... prctl resumed>) = 0 [pid 319] setpgid(0, 0) = 0 [pid 319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 318] <... bpf resumed>) = 3 [pid 319] <... openat resumed>) = 3 [pid 318] close(3 [pid 319] write(3, "1000", 4 [pid 318] <... close resumed>) = 0 [pid 318] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 319] <... write resumed>) = 4 [pid 318] <... socketpair resumed>[3, 4]) = 0 [pid 319] close(3) = 0 [pid 319] symlink("/dev/binderfs", "./binderfs") = 0 [pid 318] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 319] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SK_MSG, insn_cnt=4, insns=0x20000040, license="GPL", log_level=2, log_size=64912, log_buf="", kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72 [pid 318] <... bpf resumed>) = 5 [pid 318] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32) = 0 [pid 318] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 319] <... bpf resumed>) = 3 [pid 318] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 318] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 319] close(3 [pid 318] <... bpf resumed>) = 6 [pid 318] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 319] <... close resumed>) = 0 [pid 319] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0 [pid 319] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_SOCKMAP, key_size=4, value_size=4, max_entries=18, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 5 [pid 319] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=5, key=0x20000000, value=0x20000080, flags=BPF_ANY}, 32) = 0 [pid 319] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = -1 EFAULT (Bad address) [pid 319] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 6 [pid 319] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="tlb_flush", prog_fd=6}}, 16 [pid 315] <... bpf resumed>) = 7 [pid 317] <... bpf resumed>) = 7 [pid 316] <... bpf resumed>) = 7 [pid 315] exit_group(0 [pid 318] <... bpf resumed>) = 7 [pid 319] <... bpf resumed>) = 7 [pid 317] exit_group(0 [pid 315] <... exit_group resumed>) = ? [pid 319] exit_group(0 [pid 318] exit_group(0 [pid 317] <... exit_group resumed>) = ? [pid 316] exit_group(0 [pid 315] +++ exited with 0 +++ [pid 318] <... exit_group resumed>) = ? [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 316] <... exit_group resumed>) = ? [pid 316] +++ exited with 0 +++ [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 296] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] restart_syscall(<... resuming interrupted clone ...> [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./3", 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 317] +++ exited with 0 +++ [pid 296] getdents64(3, [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 298] <... restart_syscall resumed>) = 0 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 296] <... getdents64 resumed>0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 297] <... restart_syscall resumed>) = 0 [pid 296] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 319] <... exit_group resumed>) = ? [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] newfstatat(AT_FDCWD, "./3/binderfs", [pid 298] <... openat resumed>) = 3 [pid 297] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] newfstatat(3, "", [pid 297] <... openat resumed>) = 3 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 297] newfstatat(3, "", [pid 296] unlink("./3/binderfs" [pid 298] getdents64(3, [pid 297] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... getdents64 resumed>0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 297] getdents64(3, [pid 296] <... unlink resumed>) = 0 [pid 298] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 297] <... getdents64 resumed>0x555556ade6f0 /* 3 entries */, 32768) = 80 [pid 296] getdents64(3, [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] newfstatat(AT_FDCWD, "./3/binderfs", [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... getdents64 resumed>0x555556ade6f0 /* 0 entries */, 32768) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] newfstatat(AT_FDCWD, "./3/binderfs",