./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3611251635 <...> ) = 0 [pid 303] umount2("./4750/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] umount2("./4606/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] newfstatat(AT_FDCWD, "./4750/cgroup", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4750/cgroup" [pid 299] newfstatat(AT_FDCWD, "./4606/cgroup.cpu", [pid 303] <... unlink resumed>) = 0 [pid 303] umount2("./4750/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4606/cgroup.cpu" [pid 303] newfstatat(AT_FDCWD, "./4750/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... unlink resumed>) = 0 [pid 303] unlink("./4750/cgroup.net" [pid 299] umount2("./4606/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... unlink resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] getdents64(3, [pid 299] newfstatat(AT_FDCWD, "./4606/binderfs", [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] close(3 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... close resumed>) = 0 [pid 303] rmdir("./4750" [pid 299] unlink("./4606/binderfs" [pid 303] <... rmdir resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 303] mkdir("./4751", 0777 [pid 299] umount2("./4606/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... mkdir resumed>) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4372 attached [pid 299] newfstatat(AT_FDCWD, "./4606/cgroup", [pid 4372] set_robust_list(0x5555557fd6a0, 24 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13930 [pid 4372] <... set_robust_list resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4372] chdir("./4751" [pid 299] unlink("./4606/cgroup" [pid 4372] <... chdir resumed>) = 0 [pid 4372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4372] setpgid(0, 0) = 0 [pid 4372] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 299] <... unlink resumed>) = 0 [pid 4372] <... symlink resumed>) = 0 [pid 299] umount2("./4606/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4372] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4369] <... bpf resumed>) = 5 [pid 4368] <... bpf resumed>) = 5 [pid 4367] <... bpf resumed>) = 5 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4372] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4369] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4368] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4367] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] newfstatat(AT_FDCWD, "./4606/cgroup.net", [pid 4372] <... symlink resumed>) = 0 [pid 4369] <... futex resumed>) = 1 [pid 4367] <... futex resumed>) = 1 [pid 4366] <... futex resumed>) = 0 [pid 4372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4369] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4368] <... futex resumed>) = 1 [pid 4367] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4366] close(3 [pid 4365] <... futex resumed>) = 0 [pid 4364] <... futex resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4372] <... openat resumed>) = 3 [pid 4368] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4366] <... close resumed>) = 0 [pid 4365] close(3 [pid 4364] close(3 [pid 299] unlink("./4606/cgroup.net" [pid 4372] write(3, "1000", 4 [pid 4366] close(4 [pid 4365] <... close resumed>) = 0 [pid 4372] <... write resumed>) = 4 [pid 4366] <... close resumed>) = 0 [pid 4364] <... close resumed>) = 0 [pid 4372] close(3 [pid 4366] close(5 [pid 4365] close(4 [pid 4364] close(4 [pid 299] <... unlink resumed>) = 0 [pid 4372] <... close resumed>) = 0 [pid 4366] <... close resumed>) = 0 [pid 4365] <... close resumed>) = 0 [pid 4364] <... close resumed>) = 0 [pid 299] getdents64(3, [pid 4372] symlink("/dev/binderfs", "./binderfs" [pid 4366] close(6 [pid 4372] <... symlink resumed>) = 0 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] close(5 [pid 4364] close(5 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4372] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4366] close(7 [pid 4372] <... futex resumed>) = 0 [pid 4372] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4372] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4365] <... close resumed>) = 0 [pid 4372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] <... close resumed>) = 0 [pid 4365] close(6 [pid 299] close(3 [pid 4372] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4366] close(8 [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(6 [pid 4372] <... mprotect resumed>) = 0 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] close(7 [pid 299] <... close resumed>) = 0 [pid 4372] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4366] close(9 [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] rmdir("./4606" [pid 4372] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] close(8 [pid 4372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4364] close(7 [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 4373 attached [pid 4372] <... clone3 resumed> => {parent_tid=[13931]}, 88) = 13931 [pid 4366] close(10 [pid 4365] close(9 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] mkdir("./4607", 0777 [pid 4373] set_robust_list(0x7fba2feb79a0, 24 [pid 4372] rt_sigprocmask(SIG_SETMASK, [], [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(8 [pid 4372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4372] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4372] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4373] <... set_robust_list resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 4373] rt_sigprocmask(SIG_SETMASK, [], [pid 4366] close(11 [pid 4365] close(10 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(9./strace-static-x86_64: Process 4374 attached [pid 4373] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4365] close(11 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4366] close(12 [pid 4374] set_robust_list(0x5555557fd6a0, 24 [pid 4373] <... bpf resumed>) = 3 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(10 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13493 [pid 4374] <... set_robust_list resumed>) = 0 [pid 4374] chdir("./4607" [pid 4373] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4366] close(13 [pid 4365] close(12 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] <... chdir resumed>) = 0 [pid 4373] <... futex resumed>) = 1 [pid 4372] <... futex resumed>) = 0 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(11 [pid 4374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4373] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4372] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4366] close(14 [pid 4365] close(13 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] <... prctl resumed>) = 0 [pid 4373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4372] <... futex resumed>) = 0 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(12 [pid 4374] setpgid(0, 0 [pid 4373] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4372] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4366] close(15 [pid 4365] close(14 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] <... setpgid resumed>) = 0 [pid 4373] <... bpf resumed>) = 0 [pid 4372] <... futex resumed>) = 0 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(13 [pid 4374] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4365] close(15 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4373] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4366] close(16 [pid 4374] <... symlink resumed>) = 0 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(14 [pid 4372] <... mmap resumed>) = 0x7fba2fe76000 [pid 4373] <... futex resumed>) = 0 [pid 4374] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4373] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4372] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4366] close(17 [pid 4365] close(16 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] <... symlink resumed>) = 0 [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(15 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4372] <... mprotect resumed>) = 0 [pid 4366] close(18 [pid 4365] close(17 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] <... symlink resumed>) = 0 [pid 4374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(16 [pid 4372] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4374] <... openat resumed>) = 3 [pid 4365] close(18 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] write(3, "1000", 4 [pid 4372] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4366] close(19 [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(17 [pid 4374] <... write resumed>) = 4 [pid 4372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] close(19 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] close(3./strace-static-x86_64: Process 4375 attached [pid 4366] close(20 [pid 4374] <... close resumed>) = 0 [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(18 [pid 4375] set_robust_list(0x7fba2fe969a0, 24 [pid 4374] symlink("/dev/binderfs", "./binderfs" [pid 4372] <... clone3 resumed> => {parent_tid=[13932]}, 88) = 13932 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] close(20 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4375] <... set_robust_list resumed>) = 0 [pid 4375] rt_sigprocmask(SIG_SETMASK, [], [pid 4374] <... symlink resumed>) = 0 [pid 4375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4374] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4372] rt_sigprocmask(SIG_SETMASK, [], [pid 4366] close(21 [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(19 [pid 4375] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4374] <... futex resumed>) = 0 [pid 4372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] close(21 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4372] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4366] close(22 [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(20 [pid 4374] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4375] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4372] <... futex resumed>) = 0 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4372] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4366] close(23 [pid 4365] close(22 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4366] close(24 [pid 4375] <... bpf resumed>) = 4 [pid 4365] close(23 [pid 4364] close(21 [pid 4375] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4374] <... mmap resumed>) = 0x7fba2fe97000 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4375] <... futex resumed>) = 1 [pid 4374] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4372] <... futex resumed>) = 0 [pid 4366] close(25 [pid 4365] close(24 [pid 4364] close(22 [pid 4375] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4374] <... mprotect resumed>) = 0 [pid 4372] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4373] <... futex resumed>) = 0 [pid 4372] <... futex resumed>) = 1 [pid 4366] close(26 [pid 4365] close(25 [pid 4364] close(23 [pid 4374] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4373] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4372] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] close(26 [pid 4374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4366] close(27 [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(24./strace-static-x86_64: Process 4376 attached [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] close(27 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] set_robust_list(0x7fba2feb79a0, 24 [pid 4374] <... clone3 resumed> => {parent_tid=[13494]}, 88) = 13494 [pid 4366] close(28 [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(25 [pid 4376] <... set_robust_list resumed>) = 0 [pid 4374] rt_sigprocmask(SIG_SETMASK, [], [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] close(28 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] rt_sigprocmask(SIG_SETMASK, [], [pid 4374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4366] close(29 [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(26 [pid 4376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4376] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4374] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4365] close(29 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4374] <... futex resumed>) = 0 [pid 4376] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4366] exit_group(0 [pid 4365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(27 [pid 4374] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4376] <... bpf resumed>) = 3 [pid 4365] exit_group(0 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4371] <... futex resumed>) = ? [pid 4370] <... futex resumed>) = ? [pid 4369] <... futex resumed>) = ? [pid 4368] <... futex resumed>) = ? [pid 4366] <... exit_group resumed>) = ? [pid 4365] <... exit_group resumed>) = ? [pid 4364] close(28 [pid 4376] <... futex resumed>) = 1 [pid 4374] <... futex resumed>) = 0 [pid 4371] +++ exited with 0 +++ [pid 4370] +++ exited with 0 +++ [pid 4369] +++ exited with 0 +++ [pid 4368] +++ exited with 0 +++ [pid 4376] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4365] +++ exited with 0 +++ [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13770, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 4366] +++ exited with 0 +++ [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4364] close(29 [pid 4374] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4376] <... futex resumed>) = 0 [pid 4374] <... futex resumed>) = 1 [pid 4364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4376] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32) = 0 [pid 4374] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4364] exit_group(0 [pid 301] <... restart_syscall resumed>) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4376] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4374] <... futex resumed>) = 0 [pid 4367] <... futex resumed>) = ? [pid 4364] <... exit_group resumed>) = ? [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 4376] <... futex resumed>) = 0 [pid 4374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4367] +++ exited with 0 +++ [pid 4376] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 301] umount2("./4697", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 301] openat(AT_FDCWD, "./4697", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4364] +++ exited with 0 +++ [pid 301] <... openat resumed>) = 3 [pid 4374] <... mmap resumed>) = 0x7fba2fe76000 [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] newfstatat(3, "", [pid 4374] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 302] restart_syscall(<... resuming interrupted clone ...> [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] <... restart_syscall resumed>) = 0 [pid 4374] <... mprotect resumed>) = 0 [pid 301] getdents64(3, [pid 4374] rt_sigprocmask(SIG_BLOCK, ~[], [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] umount2("./4697/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4374] <... rt_sigprocmask resumed>[], 8) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 301] newfstatat(AT_FDCWD, "./4697/cgroup.cpu", [pid 300] umount2("./4642", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4377 attached [pid 302] <... restart_syscall resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4377] set_robust_list(0x7fba2fe969a0, 24 [pid 4374] <... clone3 resumed> => {parent_tid=[13495]}, 88) = 13495 [pid 301] unlink("./4697/cgroup.cpu" [pid 300] openat(AT_FDCWD, "./4642", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4377] <... set_robust_list resumed>) = 0 [pid 4374] rt_sigprocmask(SIG_SETMASK, [], [pid 4373] <... bpf resumed>) = 5 [pid 301] <... unlink resumed>) = 0 [pid 4377] rt_sigprocmask(SIG_SETMASK, [], [pid 4374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4373] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] umount2("./4718", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4697/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... openat resumed>) = 3 [pid 4377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4374] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4373] <... futex resumed>) = 1 [pid 4372] <... futex resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4377] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4374] <... futex resumed>) = 0 [pid 4373] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4372] close(3 [pid 302] openat(AT_FDCWD, "./4718", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] newfstatat(AT_FDCWD, "./4697/binderfs", [pid 300] newfstatat(3, "", [pid 4377] <... bpf resumed>) = 4 [pid 4374] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4372] <... close resumed>) = 0 [pid 302] <... openat resumed>) = 3 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4377] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4372] close(4 [pid 302] newfstatat(3, "", [pid 301] unlink("./4697/binderfs" [pid 300] getdents64(3, [pid 4377] <... futex resumed>) = 0 [pid 4374] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4372] <... close resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] <... unlink resumed>) = 0 [pid 4377] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] getdents64(3, [pid 4376] <... futex resumed>) = 0 [pid 4374] <... futex resumed>) = 1 [pid 4372] close(5 [pid 301] umount2("./4697/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4376] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4374] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4372] <... close resumed>) = 0 [pid 302] umount2("./4718/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] newfstatat(AT_FDCWD, "./4697/cgroup", [pid 300] umount2("./4642/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4372] close(6 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] newfstatat(AT_FDCWD, "./4718/cgroup.cpu", [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] unlink("./4697/cgroup" [pid 4372] close(7 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] unlink("./4718/cgroup.cpu" [pid 301] <... unlink resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4642/cgroup.cpu", [pid 4372] close(8 [pid 302] <... unlink resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] umount2("./4718/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4697/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] unlink("./4642/cgroup.cpu" [pid 4372] close(9 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4697/cgroup.net", [pid 300] <... unlink resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4718/binderfs", [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] umount2("./4642/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4372] close(10 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4697/cgroup.net" [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] unlink("./4718/binderfs" [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... unlink resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4642/binderfs", [pid 302] <... unlink resumed>) = 0 [pid 4372] close(11 [pid 301] getdents64(3, [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] umount2("./4718/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] unlink("./4642/binderfs" [pid 4372] close(12 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] close(3 [pid 300] <... unlink resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4718/cgroup", [pid 4372] close(13 [pid 301] <... close resumed>) = 0 [pid 300] umount2("./4642/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] rmdir("./4697" [pid 4372] close(14 [pid 302] unlink("./4718/cgroup" [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... rmdir resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4642/cgroup", [pid 302] <... unlink resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] umount2("./4718/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] mkdir("./4698", 0777 [pid 300] unlink("./4642/cgroup" [pid 4372] close(15 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... mkdir resumed>) = 0 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] newfstatat(AT_FDCWD, "./4718/cgroup.net", [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] <... unlink resumed>) = 0 [pid 4372] close(16 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 4378 attached [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] unlink("./4718/cgroup.net" [pid 300] umount2("./4642/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4378] set_robust_list(0x5555557fd6a0, 24 [pid 4372] close(17 [pid 4378] <... set_robust_list resumed>) = 0 [pid 4378] chdir("./4698") = 0 [pid 4378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 302] <... unlink resumed>) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4378] <... prctl resumed>) = 0 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] getdents64(3, [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13773 [pid 300] newfstatat(AT_FDCWD, "./4642/cgroup.net", [pid 4378] setpgid(0, 0 [pid 4372] close(18 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4378] <... setpgid resumed>) = 0 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] close(3 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4378] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4372] close(19 [pid 302] <... close resumed>) = 0 [pid 300] unlink("./4642/cgroup.net" [pid 4378] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] rmdir("./4718" [pid 4378] <... symlink resumed>) = 0 [pid 4372] close(20 [pid 300] <... unlink resumed>) = 0 [pid 4378] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... rmdir resumed>) = 0 [pid 300] getdents64(3, [pid 4378] <... openat resumed>) = 3 [pid 4372] close(21 [pid 302] mkdir("./4719", 0777 [pid 4378] write(3, "1000", 4 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4378] <... write resumed>) = 4 [pid 4378] close(3 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] close(3 [pid 4378] <... close resumed>) = 0 [pid 4378] symlink("/dev/binderfs", "./binderfs") = 0 [pid 302] <... mkdir resumed>) = 0 [pid 4378] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4372] close(22 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] <... close resumed>) = 0 [pid 4378] <... futex resumed>) = 0 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4378] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4378] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4378] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 4379 attached [], 8) = 0 [pid 4372] close(23 [pid 300] rmdir("./4642" [pid 4379] set_robust_list(0x5555557fd6a0, 24 [pid 4378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13865 [pid 4379] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 4380 attached [pid 4379] chdir("./4719" [pid 4378] <... clone3 resumed> => {parent_tid=[13774]}, 88) = 13774 [pid 4372] close(24 [pid 300] <... rmdir resumed>) = 0 [pid 4380] set_robust_list(0x7fba2feb79a0, 24 [pid 4379] <... chdir resumed>) = 0 [pid 4378] rt_sigprocmask(SIG_SETMASK, [], [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] mkdir("./4643", 0777 [pid 4380] <... set_robust_list resumed>) = 0 [pid 4379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4372] close(25 [pid 4379] <... prctl resumed>) = 0 [pid 4378] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4379] setpgid(0, 0 [pid 4378] <... futex resumed>) = 0 [pid 4379] <... setpgid resumed>) = 0 [pid 4378] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4380] rt_sigprocmask(SIG_SETMASK, [], [pid 4379] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... mkdir resumed>) = 0 [pid 4380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4379] <... symlink resumed>) = 0 [pid 4372] close(26 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4379] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4380] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4379] <... symlink resumed>) = 0 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4379] symlink("/syzcgroup/net/syz3", "./cgroup.net"./strace-static-x86_64: Process 4381 attached [pid 4380] <... bpf resumed>) = 3 [pid 4379] <... symlink resumed>) = 0 [pid 4372] close(27 [pid 4381] set_robust_list(0x5555557fd6a0, 24 [pid 4380] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13641 [pid 4381] <... set_robust_list resumed>) = 0 [pid 4380] <... futex resumed>) = 1 [pid 4379] <... openat resumed>) = 3 [pid 4378] <... futex resumed>) = 0 [pid 4372] close(28 [pid 4379] write(3, "1000", 4 [pid 4378] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4381] chdir("./4643" [pid 4380] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4379] <... write resumed>) = 4 [pid 4378] <... futex resumed>) = 0 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4381] <... chdir resumed>) = 0 [pid 4379] close(3 [pid 4378] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4380] <... bpf resumed>) = 0 [pid 4379] <... close resumed>) = 0 [pid 4378] <... futex resumed>) = 0 [pid 4372] close(29 [pid 4381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4380] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4379] symlink("/dev/binderfs", "./binderfs" [pid 4378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4381] setpgid(0, 0 [pid 4380] <... futex resumed>) = 0 [pid 4379] <... symlink resumed>) = 0 [pid 4378] <... mmap resumed>) = 0x7fba2fe76000 [pid 4381] <... setpgid resumed>) = 0 [pid 4380] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4379] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4372] exit_group(0 [pid 4379] <... futex resumed>) = 0 [pid 4378] <... mprotect resumed>) = 0 [pid 4381] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4379] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4378] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4379] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4378] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4375] <... futex resumed>) = ? [pid 4373] <... futex resumed>) = ? [pid 4372] <... exit_group resumed>) = ? [pid 4381] <... symlink resumed>) = 0 [pid 4379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4375] +++ exited with 0 +++ [pid 4373] +++ exited with 0 +++ ./strace-static-x86_64: Process 4382 attached [pid 4379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4382] set_robust_list(0x7fba2fe969a0, 24 [pid 4379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4378] <... clone3 resumed> => {parent_tid=[13775]}, 88) = 13775 [pid 4382] <... set_robust_list resumed>) = 0 [pid 4379] <... mmap resumed>) = 0x7fba2fe97000 [pid 4378] rt_sigprocmask(SIG_SETMASK, [], [pid 4382] rt_sigprocmask(SIG_SETMASK, [], [pid 4379] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4381] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4379] <... mprotect resumed>) = 0 [pid 4378] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4372] +++ exited with 0 +++ [pid 4382] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4379] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4378] <... futex resumed>) = 0 [pid 4382] <... bpf resumed>) = 4 [pid 4381] <... symlink resumed>) = 0 [pid 4379] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4378] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4382] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4381] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13930, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 4383 attached [pid 4382] <... futex resumed>) = 0 [pid 4378] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4383] set_robust_list(0x7fba2feb79a0, 24 [pid 4382] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4381] <... symlink resumed>) = 0 [pid 4380] <... futex resumed>) = 0 [pid 4379] <... clone3 resumed> => {parent_tid=[13866]}, 88) = 13866 [pid 4378] <... futex resumed>) = 1 [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 4383] <... set_robust_list resumed>) = 0 [pid 4381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4380] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4379] rt_sigprocmask(SIG_SETMASK, [], [pid 4378] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 303] <... restart_syscall resumed>) = 0 [pid 4383] rt_sigprocmask(SIG_SETMASK, [], [pid 4379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4381] <... openat resumed>) = 3 [pid 4383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4380] <... bpf resumed>) = 5 [pid 4381] write(3, "1000", 4 [pid 4379] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4376] <... bpf resumed>) = 5 [pid 4383] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4381] <... write resumed>) = 4 [pid 4380] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4379] <... futex resumed>) = 0 [pid 4376] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4383] <... bpf resumed>) = 3 [pid 4381] close(3 [pid 4380] <... futex resumed>) = 1 [pid 4379] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4378] <... futex resumed>) = 0 [pid 4376] <... futex resumed>) = 1 [pid 4374] <... futex resumed>) = 0 [pid 4383] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4381] <... close resumed>) = 0 [pid 4380] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4378] close(3 [pid 4376] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4374] close(3 [pid 303] umount2("./4751", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4383] <... futex resumed>) = 0 [pid 4381] symlink("/dev/binderfs", "./binderfs" [pid 4379] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] <... close resumed>) = 0 [pid 4374] <... close resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4383] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4379] <... futex resumed>) = 0 [pid 4378] close(4 [pid 4383] <... bpf resumed>) = 0 [pid 4381] <... symlink resumed>) = 0 [pid 4379] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] <... close resumed>) = 0 [pid 4374] close(4 [pid 303] openat(AT_FDCWD, "./4751", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4383] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4381] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4379] <... futex resumed>) = 0 [pid 4378] close(5 [pid 4374] <... close resumed>) = 0 [pid 4383] <... futex resumed>) = 0 [pid 4381] <... futex resumed>) = 0 [pid 4379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4378] <... close resumed>) = 0 [pid 4374] close(5 [pid 303] <... openat resumed>) = 3 [pid 4383] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4381] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4379] <... mmap resumed>) = 0x7fba2fe76000 [pid 4378] close(6 [pid 4379] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] <... close resumed>) = 0 [pid 303] newfstatat(3, "", [pid 4381] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4379] <... mprotect resumed>) = 0 [pid 4378] close(7 [pid 4374] close(6 [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4381] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4379] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] getdents64(3, [pid 4381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4379] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4378] close(8 [pid 4381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4379] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4384 attached [pid 4381] <... mmap resumed>) = 0x7fba2fe97000 [pid 4378] close(9 [pid 4374] close(7 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4384] set_robust_list(0x7fba2fe969a0, 24 [pid 4381] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4379] <... clone3 resumed> => {parent_tid=[13867]}, 88) = 13867 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] umount2("./4751/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4384] <... set_robust_list resumed>) = 0 [pid 4381] <... mprotect resumed>) = 0 [pid 4379] rt_sigprocmask(SIG_SETMASK, [], [pid 4378] close(10 [pid 4374] close(8 [pid 4384] rt_sigprocmask(SIG_SETMASK, [], [pid 4379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4381] rt_sigprocmask(SIG_BLOCK, ~[], [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4381] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4379] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] close(11 [pid 4374] close(9 [pid 303] newfstatat(AT_FDCWD, "./4751/cgroup.cpu", [pid 4384] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4379] <... futex resumed>) = 0 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4379] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4378] close(12 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(13) = -1 EBADF (Bad file descriptor) [pid 4378] close(14) = -1 EBADF (Bad file descriptor) [pid 4378] close(15 [pid 4384] <... bpf resumed>) = 4 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(16./strace-static-x86_64: Process 4385 attached ) = -1 EBADF (Bad file descriptor) [pid 4374] close(10 [pid 303] unlink("./4751/cgroup.cpu" [pid 4384] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4385] set_robust_list(0x7fba2feb79a0, 24 [pid 4381] <... clone3 resumed> => {parent_tid=[13642]}, 88) = 13642 [pid 4378] close(17 [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4385] <... set_robust_list resumed>) = 0 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4385] rt_sigprocmask(SIG_SETMASK, [], [pid 4378] close(18 [pid 4374] close(11 [pid 303] <... unlink resumed>) = 0 [pid 4385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4384] <... futex resumed>) = 1 [pid 4381] rt_sigprocmask(SIG_SETMASK, [], [pid 4379] <... futex resumed>) = 0 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] umount2("./4751/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4385] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4384] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4379] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] close(19 [pid 4374] close(12 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4383] <... futex resumed>) = 0 [pid 4381] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4379] <... futex resumed>) = 1 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] newfstatat(AT_FDCWD, "./4751/binderfs", [pid 4385] <... futex resumed>) = 0 [pid 4383] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4381] <... futex resumed>) = 1 [pid 4379] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4378] close(20 [pid 4374] close(13 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4385] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4381] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] unlink("./4751/binderfs" [pid 4385] <... bpf resumed>) = 3 [pid 4378] close(21) = -1 EBADF (Bad file descriptor) [pid 4385] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] close(22 [pid 4374] close(14 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] close(23) = -1 EBADF (Bad file descriptor) [pid 303] <... unlink resumed>) = 0 [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4385] <... futex resumed>) = 1 [pid 4381] <... futex resumed>) = 0 [pid 4378] close(24 [pid 4374] close(15 [pid 303] umount2("./4751/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4385] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4381] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4381] <... futex resumed>) = 0 [pid 4378] close(25 [pid 4374] close(16 [pid 303] newfstatat(AT_FDCWD, "./4751/cgroup", [pid 4385] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4381] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4381] <... futex resumed>) = 0 [pid 4378] close(26) = -1 EBADF (Bad file descriptor) [pid 4378] close(27) = -1 EBADF (Bad file descriptor) [pid 4378] close(28) = -1 EBADF (Bad file descriptor) [pid 4385] <... bpf resumed>) = 0 [pid 4381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4378] close(29 [pid 4374] close(17 [pid 303] unlink("./4751/cgroup" [pid 4385] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4381] <... mmap resumed>) = 0x7fba2fe76000 [pid 4378] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4378] exit_group(0 [pid 303] <... unlink resumed>) = 0 [pid 4385] <... futex resumed>) = 0 [pid 4382] <... futex resumed>) = ? [pid 4381] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4380] <... futex resumed>) = ? [pid 4378] <... exit_group resumed>) = ? [pid 4374] close(18 [pid 303] umount2("./4751/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4385] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4382] +++ exited with 0 +++ [pid 4381] <... mprotect resumed>) = 0 [pid 4380] +++ exited with 0 +++ [pid 4378] +++ exited with 0 +++ [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] close(19) = -1 EBADF (Bad file descriptor) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4381] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4374] close(20 [pid 4381] <... rt_sigprocmask resumed>[], 8) = 0 [pid 303] newfstatat(AT_FDCWD, "./4751/cgroup.net", [pid 4381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13773, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 4386 attached [pid 4374] close(21 [pid 303] unlink("./4751/cgroup.net" [pid 4386] set_robust_list(0x7fba2fe969a0, 24 [pid 4381] <... clone3 resumed> => {parent_tid=[13643]}, 88) = 13643 [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4386] <... set_robust_list resumed>) = 0 [pid 4386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4374] close(22 [pid 4381] rt_sigprocmask(SIG_SETMASK, [], [pid 303] <... unlink resumed>) = 0 [pid 4386] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] getdents64(3, [pid 4381] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4374] close(23 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4386] <... futex resumed>) = 0 [pid 4381] <... futex resumed>) = 1 [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] close(3 [pid 301] umount2("./4698", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4386] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4381] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4374] close(24 [pid 303] <... close resumed>) = 0 [pid 4386] <... bpf resumed>) = 4 [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] rmdir("./4751" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4374] close(25 [pid 4386] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4381] <... futex resumed>) = 0 [pid 4386] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4381] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4385] <... futex resumed>) = 0 [pid 4381] <... futex resumed>) = 1 [pid 303] <... rmdir resumed>) = 0 [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4385] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4381] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4374] close(26 [pid 303] mkdir("./4752", 0777 [pid 301] openat(AT_FDCWD, "./4698", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] close(27 [pid 303] <... mkdir resumed>) = 0 [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4374] close(28 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 301] <... openat resumed>) = 3 [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4387 attached [pid 4374] close(29 [pid 301] newfstatat(3, "", [pid 4387] set_robust_list(0x5555557fd6a0, 24 [pid 4374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13933 [pid 4387] <... set_robust_list resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4387] chdir("./4752" [pid 4374] exit_group(0 [pid 4387] <... chdir resumed>) = 0 [pid 301] getdents64(3, [pid 4387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4377] <... futex resumed>) = ? [pid 4376] <... futex resumed>) = ? [pid 4374] <... exit_group resumed>) = ? [pid 4387] <... prctl resumed>) = 0 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4387] setpgid(0, 0 [pid 4376] +++ exited with 0 +++ [pid 4387] <... setpgid resumed>) = 0 [pid 4387] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4387] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4377] +++ exited with 0 +++ [pid 4374] +++ exited with 0 +++ [pid 301] umount2("./4698/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4387] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 301] newfstatat(AT_FDCWD, "./4698/cgroup.cpu", [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 4387] write(3, "1000", 4) = 4 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4387] close(3 [pid 301] unlink("./4698/cgroup.cpu" [pid 299] <... restart_syscall resumed>) = 0 [pid 4387] <... close resumed>) = 0 [pid 4387] symlink("/dev/binderfs", "./binderfs") = 0 [pid 301] <... unlink resumed>) = 0 [pid 4387] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] umount2("./4698/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4387] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4387] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 301] newfstatat(AT_FDCWD, "./4698/binderfs", [pid 299] umount2("./4607", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4387] <... mmap resumed>) = 0x7fba2fe97000 [pid 301] unlink("./4698/binderfs" [pid 4387] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 299] openat(AT_FDCWD, "./4607", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4387] <... mprotect resumed>) = 0 [pid 4387] rt_sigprocmask(SIG_BLOCK, ~[], [pid 301] <... unlink resumed>) = 0 [pid 4387] <... rt_sigprocmask resumed>[], 8) = 0 [pid 301] umount2("./4698/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... openat resumed>) = 3 [pid 4387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4388 attached [pid 301] newfstatat(AT_FDCWD, "./4698/cgroup", [pid 299] newfstatat(3, "", [pid 4388] set_robust_list(0x7fba2feb79a0, 24 [pid 4387] <... clone3 resumed> => {parent_tid=[13934]}, 88) = 13934 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4388] <... set_robust_list resumed>) = 0 [pid 4387] rt_sigprocmask(SIG_SETMASK, [], [pid 301] unlink("./4698/cgroup" [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4388] rt_sigprocmask(SIG_SETMASK, [], [pid 4387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4387] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4387] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 4388] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, 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] umount2("./4698/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4388] <... bpf resumed>) = 3 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] umount2("./4607/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4388] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] newfstatat(AT_FDCWD, "./4698/cgroup.net", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4388] <... futex resumed>) = 1 [pid 4387] <... futex resumed>) = 0 [pid 301] unlink("./4698/cgroup.net" [pid 299] newfstatat(AT_FDCWD, "./4607/cgroup.cpu", [pid 4388] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4387] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4387] <... futex resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4388] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4387] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] getdents64(3, [pid 299] unlink("./4607/cgroup.cpu" [pid 4387] <... futex resumed>) = 0 [pid 4387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4388] <... bpf resumed>) = 0 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4387] <... mmap resumed>) = 0x7fba2fe76000 [pid 301] close(3 [pid 299] <... unlink resumed>) = 0 [pid 4388] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4387] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 301] <... close resumed>) = 0 [pid 4388] <... futex resumed>) = 0 [pid 4387] <... mprotect resumed>) = 0 [pid 301] rmdir("./4698" [pid 299] umount2("./4607/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4388] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4387] rt_sigprocmask(SIG_BLOCK, ~[], [pid 301] <... rmdir resumed>) = 0 [pid 4387] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4385] <... bpf resumed>) = 5 [pid 4383] <... bpf resumed>) = 5 [pid 301] mkdir("./4699", 0777 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4387] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4385] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4383] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4385] <... futex resumed>) = 1 [pid 4383] <... futex resumed>) = 1 [pid 4381] <... futex resumed>) = 0 [pid 4379] <... futex resumed>) = 0 [pid 4385] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4383] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4381] close(3 [pid 4379] close(3 [pid 4381] <... close resumed>) = 0 [pid 4379] <... close resumed>) = 0 [pid 301] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 4389 attached [pid 4381] close(4 [pid 4379] close(4 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] newfstatat(AT_FDCWD, "./4607/binderfs", [pid 4389] set_robust_list(0x7fba2fe969a0, 24 [pid 4387] <... clone3 resumed> => {parent_tid=[13935]}, 88) = 13935 [pid 4381] <... close resumed>) = 0 [pid 4379] <... close resumed>) = 0 [pid 4389] <... set_robust_list resumed>) = 0 [pid 4381] close(5 [pid 4379] close(5 [pid 4389] rt_sigprocmask(SIG_SETMASK, [], [pid 4381] <... close resumed>) = 0 [pid 4379] <... close resumed>) = 0 ./strace-static-x86_64: Process 4390 attached [pid 4389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4381] close(6 [pid 4379] close(6 [pid 4390] set_robust_list(0x5555557fd6a0, 24 [pid 4389] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4387] rt_sigprocmask(SIG_SETMASK, [], [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13776 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4390] <... set_robust_list resumed>) = 0 [pid 4387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4381] close(7 [pid 4379] close(7 [pid 299] unlink("./4607/binderfs" [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4381] close(8 [pid 4379] close(8 [pid 4390] chdir("./4699" [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... chdir resumed>) = 0 [pid 4387] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4381] close(9 [pid 4379] close(9 [pid 299] <... unlink resumed>) = 0 [pid 4390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4389] <... futex resumed>) = 0 [pid 4387] <... futex resumed>) = 1 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] umount2("./4607/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4390] <... prctl resumed>) = 0 [pid 4389] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4387] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4381] close(10 [pid 4379] close(10 [pid 4390] setpgid(0, 0 [pid 4389] <... bpf resumed>) = 4 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4390] <... setpgid resumed>) = 0 [pid 4389] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4381] close(11 [pid 4379] close(11 [pid 299] newfstatat(AT_FDCWD, "./4607/cgroup", [pid 4390] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4389] <... futex resumed>) = 1 [pid 4387] <... futex resumed>) = 0 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4389] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4387] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4381] close(12 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4390] <... symlink resumed>) = 0 [pid 4388] <... futex resumed>) = 0 [pid 4387] <... futex resumed>) = 1 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4379] close(12 [pid 299] unlink("./4607/cgroup" [pid 4390] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4388] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4387] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4381] close(13 [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... unlink resumed>) = 0 [pid 4381] close(14 [pid 4379] close(13 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4381] close(15) = -1 EBADF (Bad file descriptor) [pid 4381] close(16) = -1 EBADF (Bad file descriptor) [pid 4390] <... symlink resumed>) = 0 [pid 4381] close(17 [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] umount2("./4607/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4390] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4379] close(14 [pid 4381] close(18 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4381] close(19 [pid 4390] <... symlink resumed>) = 0 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4381] close(20 [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] newfstatat(AT_FDCWD, "./4607/cgroup.net", [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... openat resumed>) = 3 [pid 4381] close(21 [pid 4379] close(15 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4390] write(3, "1000", 4 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] unlink("./4607/cgroup.net" [pid 4381] close(22) = -1 EBADF (Bad file descriptor) [pid 4390] <... write resumed>) = 4 [pid 4381] close(23 [pid 4379] close(16 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4381] close(24) = -1 EBADF (Bad file descriptor) [pid 299] <... unlink resumed>) = 0 [pid 4390] close(3 [pid 4381] close(25 [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] getdents64(3, [pid 4390] <... close resumed>) = 0 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4379] close(17 [pid 4390] symlink("/dev/binderfs", "./binderfs" [pid 4381] close(26 [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4381] close(27) = -1 EBADF (Bad file descriptor) [pid 4390] <... symlink resumed>) = 0 [pid 4381] close(28 [pid 4379] close(18 [pid 299] close(3 [pid 4390] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... futex resumed>) = 0 [pid 4381] close(29 [pid 4379] close(19 [pid 299] <... close resumed>) = 0 [pid 4390] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] rmdir("./4607" [pid 4390] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4381] exit_group(0 [pid 4379] close(20 [pid 4386] <... futex resumed>) = ? [pid 4385] <... futex resumed>) = ? [pid 4381] <... exit_group resumed>) = ? [pid 4390] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4386] +++ exited with 0 +++ [pid 4385] +++ exited with 0 +++ [pid 4381] +++ exited with 0 +++ [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... rmdir resumed>) = 0 [pid 4390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4379] close(21 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] mkdir("./4608", 0777 [pid 4390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4379] close(22 [pid 299] <... mkdir resumed>) = 0 [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... mmap resumed>) = 0x7fba2fe97000 [pid 4379] close(23 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4390] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 300] umount2("./4643", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4391 attached [pid 4379] close(24 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4391] set_robust_list(0x5555557fd6a0, 24 [pid 4390] <... mprotect resumed>) = 0 [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] openat(AT_FDCWD, "./4643", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13496 [pid 4391] <... set_robust_list resumed>) = 0 [pid 4391] chdir("./4608" [pid 4390] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4379] close(25 [pid 300] <... openat resumed>) = 3 [pid 4391] <... chdir resumed>) = 0 [pid 4390] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] newfstatat(3, "", [pid 4391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4379] close(26 [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4391] <... prctl resumed>) = 0 [pid 4391] setpgid(0, 0./strace-static-x86_64: Process 4392 attached ) = 0 [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] getdents64(3, [pid 4392] set_robust_list(0x7fba2feb79a0, 24 [pid 4391] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4390] <... clone3 resumed> => {parent_tid=[13777]}, 88) = 13777 [pid 4379] close(27 [pid 4392] <... set_robust_list resumed>) = 0 [pid 4391] <... symlink resumed>) = 0 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4392] rt_sigprocmask(SIG_SETMASK, [], [pid 4391] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4390] rt_sigprocmask(SIG_SETMASK, [], [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] umount2("./4643/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4391] <... symlink resumed>) = 0 [pid 4392] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4391] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4379] close(28 [pid 4391] <... symlink resumed>) = 0 [pid 4390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4390] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] newfstatat(AT_FDCWD, "./4643/cgroup.cpu", [pid 4392] <... futex resumed>) = 0 [pid 4391] <... openat resumed>) = 3 [pid 4390] <... futex resumed>) = 1 [pid 4379] close(29 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4392] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4391] write(3, "1000", 4 [pid 4390] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] unlink("./4643/cgroup.cpu" [pid 4392] <... bpf resumed>) = 3 [pid 4391] <... write resumed>) = 4 [pid 4379] exit_group(0 [pid 4391] close(3) = 0 [pid 300] <... unlink resumed>) = 0 [pid 4392] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4391] symlink("/dev/binderfs", "./binderfs" [pid 4392] <... futex resumed>) = 1 [pid 4384] <... futex resumed>) = ? [pid 4383] <... futex resumed>) = ? [pid 4390] <... futex resumed>) = 0 [pid 4379] <... exit_group resumed>) = ? [pid 300] umount2("./4643/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4392] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4391] <... symlink resumed>) = 0 [pid 4384] +++ exited with 0 +++ [pid 4383] +++ exited with 0 +++ [pid 4391] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4391] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4379] +++ exited with 0 +++ [pid 4391] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4390] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4391] <... mprotect resumed>) = 0 [pid 4390] <... futex resumed>) = 0 [pid 302] restart_syscall(<... resuming interrupted clone ...> [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4392] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4391] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4390] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] newfstatat(AT_FDCWD, "./4643/binderfs", [pid 4391] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4390] <... futex resumed>) = 0 [pid 302] <... restart_syscall resumed>) = 0 [pid 4392] <... bpf resumed>) = 0 [pid 4391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4390] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 4393 attached [pid 4392] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4390] <... mmap resumed>) = 0x7fba2fe76000 [pid 300] unlink("./4643/binderfs" [pid 4393] set_robust_list(0x7fba2feb79a0, 24 [pid 4392] <... futex resumed>) = 0 [pid 4391] <... clone3 resumed> => {parent_tid=[13497]}, 88) = 13497 [pid 4390] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 302] umount2("./4719", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4391] rt_sigprocmask(SIG_SETMASK, [], [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] openat(AT_FDCWD, "./4719", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] <... unlink resumed>) = 0 [pid 4393] <... set_robust_list resumed>) = 0 [pid 4392] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4391] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4390] <... mprotect resumed>) = 0 [pid 302] <... openat resumed>) = 3 [pid 300] umount2("./4643/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4393] rt_sigprocmask(SIG_SETMASK, [], [pid 4391] <... futex resumed>) = 0 [pid 302] newfstatat(3, "", [pid 4393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4391] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4390] rt_sigprocmask(SIG_BLOCK, ~[], [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4393] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4390] <... rt_sigprocmask resumed>[], 8) = 0 [pid 302] getdents64(3, [pid 4393] <... bpf resumed>) = 3 [pid 4390] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] newfstatat(AT_FDCWD, "./4643/cgroup", [pid 4393] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] umount2("./4719/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4394 attached [pid 302] newfstatat(AT_FDCWD, "./4719/cgroup.cpu", [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4394] set_robust_list(0x7fba2fe969a0, 24 [pid 4393] <... futex resumed>) = 1 [pid 4391] <... futex resumed>) = 0 [pid 4390] <... clone3 resumed> => {parent_tid=[13778]}, 88) = 13778 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4643/cgroup" [pid 4394] <... set_robust_list resumed>) = 0 [pid 4393] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4391] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4390] rt_sigprocmask(SIG_SETMASK, [], [pid 302] unlink("./4719/cgroup.cpu" [pid 4394] rt_sigprocmask(SIG_SETMASK, [], [pid 4393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4391] <... futex resumed>) = 0 [pid 4390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 4394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4393] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4391] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4390] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] umount2("./4719/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4643/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4394] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4391] <... futex resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4394] <... bpf resumed>) = 4 [pid 4393] <... bpf resumed>) = 0 [pid 4391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4390] <... futex resumed>) = 0 [pid 4388] <... bpf resumed>) = 5 [pid 302] newfstatat(AT_FDCWD, "./4719/binderfs", [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4394] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4393] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4391] <... mmap resumed>) = 0x7fba2fe76000 [pid 4390] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4388] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] newfstatat(AT_FDCWD, "./4643/cgroup.net", [pid 4394] <... futex resumed>) = 0 [pid 4393] <... futex resumed>) = 0 [pid 4391] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4388] <... futex resumed>) = 1 [pid 4387] <... futex resumed>) = 0 [pid 302] unlink("./4719/binderfs" [pid 4394] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4393] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4391] <... mprotect resumed>) = 0 [pid 4390] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4388] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4387] close(3 [pid 302] <... unlink resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4392] <... futex resumed>) = 0 [pid 4391] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4390] <... futex resumed>) = 1 [pid 4387] <... close resumed>) = 0 [pid 302] umount2("./4719/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] unlink("./4643/cgroup.net" [pid 4392] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4391] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4390] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4387] close(4 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4387] <... close resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4719/cgroup", [pid 300] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4395 attached [pid 4392] <... bpf resumed>) = 5 [pid 4387] close(5 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] getdents64(3, [pid 4395] set_robust_list(0x7fba2fe969a0, 24 [pid 4392] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4391] <... clone3 resumed> => {parent_tid=[13498]}, 88) = 13498 [pid 302] unlink("./4719/cgroup" [pid 4395] <... set_robust_list resumed>) = 0 [pid 4392] <... futex resumed>) = 1 [pid 4391] rt_sigprocmask(SIG_SETMASK, [], [pid 4390] <... futex resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4395] rt_sigprocmask(SIG_SETMASK, [], [pid 4392] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4390] close(3 [pid 302] umount2("./4719/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] close(3 [pid 4395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4391] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4390] <... close resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4395] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4391] <... futex resumed>) = 0 [pid 4390] close(4 [pid 302] newfstatat(AT_FDCWD, "./4719/cgroup.net", [pid 300] <... close resumed>) = 0 [pid 4391] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4719/cgroup.net") = 0 [pid 302] getdents64(3, [pid 4395] <... bpf resumed>) = 4 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4395] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4390] <... close resumed>) = 0 [pid 302] close(3 [pid 300] rmdir("./4643" [pid 4395] <... futex resumed>) = 1 [pid 4391] <... futex resumed>) = 0 [pid 4390] close(5 [pid 302] <... close resumed>) = 0 [pid 4391] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] rmdir("./4719" [pid 4395] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4393] <... futex resumed>) = 0 [pid 4391] <... futex resumed>) = 1 [pid 302] <... rmdir resumed>) = 0 [pid 300] <... rmdir resumed>) = 0 [pid 4393] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4391] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 302] mkdir("./4720", 0777 [pid 300] mkdir("./4644", 0777 [pid 302] <... mkdir resumed>) = 0 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] <... mkdir resumed>) = 0 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13868 ./strace-static-x86_64: Process 4396 attached [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4396] set_robust_list(0x5555557fd6a0, 24./strace-static-x86_64: Process 4397 attached ) = 0 [pid 4397] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 4397] chdir("./4644" [pid 4396] chdir("./4720" [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13644 [pid 4397] <... chdir resumed>) = 0 [pid 4396] <... chdir resumed>) = 0 [pid 4397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4397] <... prctl resumed>) = 0 [pid 4397] setpgid(0, 0 [pid 4396] <... prctl resumed>) = 0 [pid 4397] <... setpgid resumed>) = 0 [pid 4397] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4396] setpgid(0, 0 [pid 4397] <... symlink resumed>) = 0 [pid 4396] <... setpgid resumed>) = 0 [pid 4397] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4396] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4397] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4396] <... symlink resumed>) = 0 [pid 4397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4396] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4397] <... openat resumed>) = 3 [pid 4397] write(3, "1000", 4) = 4 [pid 4397] close(3) = 0 [pid 4397] symlink("/dev/binderfs", "./binderfs" [pid 4396] <... symlink resumed>) = 0 [pid 4397] <... symlink resumed>) = 0 [pid 4396] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4397] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4397] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4396] <... symlink resumed>) = 0 [pid 4397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4397] <... mmap resumed>) = 0x7fba2fe97000 [pid 4397] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4396] <... openat resumed>) = 3 [pid 4397] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4398 attached [pid 4396] write(3, "1000", 4 [pid 4398] set_robust_list(0x7fba2feb79a0, 24 [pid 4397] <... clone3 resumed> => {parent_tid=[13645]}, 88) = 13645 [pid 4396] <... write resumed>) = 4 [pid 4398] <... set_robust_list resumed>) = 0 [pid 4397] rt_sigprocmask(SIG_SETMASK, [], [pid 4398] rt_sigprocmask(SIG_SETMASK, [], [pid 4397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4396] close(3 [pid 4398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4397] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4397] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4396] <... close resumed>) = 0 [pid 4398] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4396] symlink("/dev/binderfs", "./binderfs" [pid 4398] <... bpf resumed>) = 3 [pid 4398] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] <... symlink resumed>) = 0 [pid 4398] <... futex resumed>) = 1 [pid 4397] <... futex resumed>) = 0 [pid 4398] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4397] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4397] <... futex resumed>) = 0 [pid 4396] <... futex resumed>) = 0 [pid 4398] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4397] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4397] <... futex resumed>) = 0 [pid 4397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe76000 [pid 4398] <... bpf resumed>) = 0 [pid 4397] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4396] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4398] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4397] <... mprotect resumed>) = 0 [pid 4396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4398] <... futex resumed>) = 0 [pid 4397] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4398] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4397] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4399 attached [pid 4396] <... mmap resumed>) = 0x7fba2fe97000 [pid 4396] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4399] set_robust_list(0x7fba2fe969a0, 24) = 0 [pid 4396] <... mprotect resumed>) = 0 [pid 4399] rt_sigprocmask(SIG_SETMASK, [], [pid 4397] <... clone3 resumed> => {parent_tid=[13646]}, 88) = 13646 [pid 4399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4396] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4397] rt_sigprocmask(SIG_SETMASK, [], [pid 4399] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4396] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4397] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4399] <... futex resumed>) = 0 [pid 4397] <... futex resumed>) = 1 [pid 4399] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4397] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4400 attached [pid 4399] <... bpf resumed>) = 4 [pid 4400] set_robust_list(0x7fba2feb79a0, 24 [pid 4399] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] <... clone3 resumed> => {parent_tid=[13869]}, 88) = 13869 [pid 4400] <... set_robust_list resumed>) = 0 [pid 4399] <... futex resumed>) = 1 [pid 4397] <... futex resumed>) = 0 [pid 4396] rt_sigprocmask(SIG_SETMASK, [], [pid 4400] rt_sigprocmask(SIG_SETMASK, [], [pid 4399] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4397] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4397] <... futex resumed>) = 1 [pid 4400] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4398] <... futex resumed>) = 0 [pid 4397] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4398] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4396] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4400] <... futex resumed>) = 0 [pid 4396] <... futex resumed>) = 1 [pid 4400] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=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 4396] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4400] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4400] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4396] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4400] <... futex resumed>) = 0 [pid 4396] <... futex resumed>) = 1 [pid 4400] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32) = 0 [pid 4396] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4400] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4396] <... futex resumed>) = 0 [pid 4400] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe76000 [pid 4396] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4396] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4401 attached [pid 4401] set_robust_list(0x7fba2fe969a0, 24) = 0 [pid 4401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4401] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4396] <... clone3 resumed> => {parent_tid=[13870]}, 88) = 13870 [pid 4396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4396] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4401] <... futex resumed>) = 0 [pid 4396] <... futex resumed>) = 1 [pid 4401] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4396] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4401] <... bpf resumed>) = 4 [pid 4401] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4396] <... futex resumed>) = 0 [pid 4396] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4400] <... futex resumed>) = 0 [pid 4396] <... futex resumed>) = 1 [pid 4401] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4400] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4396] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4387] <... close resumed>) = 0 [pid 4390] <... close resumed>) = 0 [pid 4387] close(6 [pid 4390] close(6 [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] close(7 [pid 4390] close(7 [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] close(8) = -1 EBADF (Bad file descriptor) [pid 4390] close(8 [pid 4387] close(9 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(9 [pid 4387] close(10 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] close(11) = -1 EBADF (Bad file descriptor) [pid 4390] close(10 [pid 4387] close(12 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(11 [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] close(13 [pid 4390] close(12 [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] close(14 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(13 [pid 4387] close(15 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] close(16 [pid 4390] close(14 [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] close(17 [pid 4390] close(15 [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] close(18) = -1 EBADF (Bad file descriptor) [pid 4387] close(19) = -1 EBADF (Bad file descriptor) [pid 4390] close(16) = -1 EBADF (Bad file descriptor) [pid 4387] close(20 [pid 4390] close(17 [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] close(21) = -1 EBADF (Bad file descriptor) [pid 4390] close(18 [pid 4387] close(22 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(19 [pid 4387] close(23) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] close(24 [pid 4390] close(20 [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] close(25 [pid 4390] close(21 [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] close(26) = -1 EBADF (Bad file descriptor) [pid 4390] close(22 [pid 4387] close(27 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(23 [pid 4387] close(28 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(24 [pid 4387] close(29 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4390] close(25 [pid 4387] exit_group(0 [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4389] <... futex resumed>) = ? [pid 4388] <... futex resumed>) = ? [pid 4387] <... exit_group resumed>) = ? [pid 4390] close(26 [pid 4389] +++ exited with 0 +++ [pid 4388] +++ exited with 0 +++ [pid 4387] +++ exited with 0 +++ [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4390] close(27) = -1 EBADF (Bad file descriptor) [pid 4390] close(28 [pid 303] umount2("./4752", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4390] close(29 [pid 303] openat(AT_FDCWD, "./4752", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4390] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... openat resumed>) = 3 [pid 4390] exit_group(0 [pid 303] newfstatat(3, "", [pid 4392] <... futex resumed>) = ? [pid 4394] <... futex resumed>) = ? [pid 4390] <... exit_group resumed>) = ? [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4392] +++ exited with 0 +++ [pid 4394] +++ exited with 0 +++ [pid 4390] +++ exited with 0 +++ [pid 303] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13776, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 303] umount2("./4752/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4752/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] umount2("./4699", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] unlink("./4752/cgroup.cpu" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... unlink resumed>) = 0 [pid 303] umount2("./4752/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] openat(AT_FDCWD, "./4699", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4752/binderfs", [pid 301] <... openat resumed>) = 3 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] newfstatat(3, "", [pid 303] unlink("./4752/binderfs" [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] <... unlink resumed>) = 0 [pid 301] getdents64(3, [pid 303] umount2("./4752/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] umount2("./4699/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] newfstatat(AT_FDCWD, "./4752/cgroup", [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] newfstatat(AT_FDCWD, "./4699/cgroup.cpu", [pid 303] unlink("./4752/cgroup" [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... unlink resumed>) = 0 [pid 301] unlink("./4699/cgroup.cpu" [pid 303] umount2("./4752/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... unlink resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] umount2("./4699/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] newfstatat(AT_FDCWD, "./4752/cgroup.net", [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] newfstatat(AT_FDCWD, "./4699/binderfs", [pid 303] unlink("./4752/cgroup.net" [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... unlink resumed>) = 0 [pid 301] unlink("./4699/binderfs" [pid 303] getdents64(3, [pid 301] <... unlink resumed>) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] umount2("./4699/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] close(3 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... close resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4699/cgroup", [pid 303] rmdir("./4752" [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... rmdir resumed>) = 0 [pid 303] mkdir("./4753", 0777 [pid 301] unlink("./4699/cgroup" [pid 303] <... mkdir resumed>) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 301] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4402 attached [pid 301] umount2("./4699/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4402] set_robust_list(0x5555557fd6a0, 24 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13936 [pid 4402] <... set_robust_list resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4402] chdir("./4753" [pid 301] newfstatat(AT_FDCWD, "./4699/cgroup.net", [pid 4402] <... chdir resumed>) = 0 [pid 4402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4402] <... prctl resumed>) = 0 [pid 301] unlink("./4699/cgroup.net" [pid 4402] setpgid(0, 0) = 0 [pid 4402] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 301] <... unlink resumed>) = 0 [pid 4402] <... symlink resumed>) = 0 [pid 4402] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 301] getdents64(3, [pid 4402] <... symlink resumed>) = 0 [pid 4402] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4402] <... symlink resumed>) = 0 [pid 301] close(3 [pid 4402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 301] <... close resumed>) = 0 [pid 4402] <... openat resumed>) = 3 [pid 301] rmdir("./4699" [pid 4402] write(3, "1000", 4 [pid 301] <... rmdir resumed>) = 0 [pid 4402] <... write resumed>) = 4 [pid 4402] close(3 [pid 301] mkdir("./4700", 0777 [pid 4402] <... close resumed>) = 0 [pid 4402] symlink("/dev/binderfs", "./binderfs" [pid 301] <... mkdir resumed>) = 0 [pid 4402] <... symlink resumed>) = 0 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4402] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 4403 attached ) = 0 [pid 4403] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 4402] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13779 [pid 4403] chdir("./4700") = 0 [pid 4402] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4403] setpgid(0, 0 [pid 4402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4403] <... setpgid resumed>) = 0 [pid 4403] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4403] <... symlink resumed>) = 0 [pid 4403] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4402] <... mmap resumed>) = 0x7fba2fe97000 [pid 4403] <... symlink resumed>) = 0 [pid 4403] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4402] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4402] <... mprotect resumed>) = 0 [pid 4403] <... openat resumed>) = 3 [pid 4403] write(3, "1000", 4 [pid 4402] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4403] <... write resumed>) = 4 [pid 4402] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4403] close(3 [pid 4402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4403] <... close resumed>) = 0 ./strace-static-x86_64: Process 4404 attached [pid 4403] symlink("/dev/binderfs", "./binderfs" [pid 4404] set_robust_list(0x7fba2feb79a0, 24) = 0 [pid 4404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4404] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4403] <... symlink resumed>) = 0 [pid 4402] <... clone3 resumed> => {parent_tid=[13937]}, 88) = 13937 [pid 4403] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] rt_sigprocmask(SIG_SETMASK, [], [pid 4403] <... futex resumed>) = 0 [pid 4402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4403] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4402] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4404] <... futex resumed>) = 0 [pid 4403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4402] <... futex resumed>) = 1 [pid 4404] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4402] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4404] <... bpf resumed>) = 3 [pid 4403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4404] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4403] <... mmap resumed>) = 0x7fba2fe97000 [pid 4404] <... futex resumed>) = 1 [pid 4402] <... futex resumed>) = 0 [pid 4403] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4404] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4402] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4403] <... mprotect resumed>) = 0 [pid 4402] <... futex resumed>) = 0 [pid 4404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4404] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4403] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4402] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe76000 [pid 4404] <... bpf resumed>) = 0 [pid 4404] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4403] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4402] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4404] <... futex resumed>) = 0 [pid 4403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4404] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4402] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 4405 attached [pid 4405] set_robust_list(0x7fba2feb79a0, 24 [pid 4403] <... clone3 resumed> => {parent_tid=[13780]}, 88) = 13780 [pid 4402] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4405] <... set_robust_list resumed>) = 0 [pid 4403] rt_sigprocmask(SIG_SETMASK, [], [pid 4405] rt_sigprocmask(SIG_SETMASK, [], [pid 4402] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4393] <... bpf resumed>) = 5 [pid 4405] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4400] <... bpf resumed>) = 5 [pid 4398] <... bpf resumed>) = 5 [pid 4393] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4403] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4400] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4396] <... futex resumed>) = 0 [pid 4400] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4396] close(3./strace-static-x86_64: Process 4406 attached [pid 4405] <... futex resumed>) = 0 [pid 4403] <... futex resumed>) = 1 [pid 4402] <... clone3 resumed> => {parent_tid=[13938]}, 88) = 13938 [pid 4398] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] <... close resumed>) = 0 [pid 4393] <... futex resumed>) = 1 [pid 4391] <... futex resumed>) = 0 [pid 4406] set_robust_list(0x7fba2fe969a0, 24 [pid 4405] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4403] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4402] rt_sigprocmask(SIG_SETMASK, [], [pid 4398] <... futex resumed>) = 1 [pid 4397] <... futex resumed>) = 0 [pid 4396] close(4 [pid 4391] close(3 [pid 4393] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4406] <... set_robust_list resumed>) = 0 [pid 4405] <... bpf resumed>) = 3 [pid 4402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4398] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4397] close(3 [pid 4396] <... close resumed>) = 0 [pid 4391] <... close resumed>) = 0 [pid 4406] rt_sigprocmask(SIG_SETMASK, [], [pid 4405] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4397] <... close resumed>) = 0 [pid 4396] close(5 [pid 4391] close(4 [pid 4406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4405] <... futex resumed>) = 1 [pid 4403] <... futex resumed>) = 0 [pid 4402] <... futex resumed>) = 0 [pid 4397] close(4 [pid 4396] <... close resumed>) = 0 [pid 4391] <... close resumed>) = 0 [pid 4406] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4405] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4403] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4397] <... close resumed>) = 0 [pid 4396] close(6 [pid 4391] close(5 [pid 4406] <... bpf resumed>) = 4 [pid 4405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4403] <... futex resumed>) = 0 [pid 4397] close(5 [pid 4396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4406] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4405] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4403] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] close(7 [pid 4406] <... futex resumed>) = 1 [pid 4405] <... bpf resumed>) = 0 [pid 4403] <... futex resumed>) = 0 [pid 4402] <... futex resumed>) = 0 [pid 4396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4406] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4405] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4402] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] close(8 [pid 4405] <... futex resumed>) = 0 [pid 4404] <... futex resumed>) = 0 [pid 4402] <... futex resumed>) = 1 [pid 4396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4405] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4404] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4403] <... mmap resumed>) = 0x7fba2fe76000 [pid 4402] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4396] close(9 [pid 4403] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... mprotect resumed>) = 0 [pid 4396] close(10) = -1 EBADF (Bad file descriptor) [pid 4403] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4396] close(11 [pid 4403] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4396] close(12./strace-static-x86_64: Process 4407 attached ) = -1 EBADF (Bad file descriptor) [pid 4407] set_robust_list(0x7fba2fe969a0, 24 [pid 4403] <... clone3 resumed> => {parent_tid=[13781]}, 88) = 13781 [pid 4396] close(13 [pid 4407] <... set_robust_list resumed>) = 0 [pid 4403] rt_sigprocmask(SIG_SETMASK, [], [pid 4396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4407] rt_sigprocmask(SIG_SETMASK, [], [pid 4403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4396] close(14 [pid 4407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4403] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4407] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4403] <... futex resumed>) = 0 [pid 4396] close(15) = -1 EBADF (Bad file descriptor) [pid 4403] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4396] close(16) = -1 EBADF (Bad file descriptor) [pid 4396] close(17) = -1 EBADF (Bad file descriptor) [pid 4396] close(18) = -1 EBADF (Bad file descriptor) [pid 4396] close(19) = -1 EBADF (Bad file descriptor) [pid 4396] close(20) = -1 EBADF (Bad file descriptor) [pid 4396] close(21 [pid 4407] <... bpf resumed>) = 4 [pid 4396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4407] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] close(22 [pid 4407] <... futex resumed>) = 1 [pid 4403] <... futex resumed>) = 0 [pid 4396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4407] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4403] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4396] close(23) = -1 EBADF (Bad file descriptor) [pid 4396] close(24 [pid 4405] <... futex resumed>) = 0 [pid 4403] <... futex resumed>) = 1 [pid 4396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4405] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4403] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4396] close(25) = -1 EBADF (Bad file descriptor) [pid 4396] close(26) = -1 EBADF (Bad file descriptor) [pid 4396] close(27) = -1 EBADF (Bad file descriptor) [pid 4396] close(28) = -1 EBADF (Bad file descriptor) [pid 4396] close(29) = -1 EBADF (Bad file descriptor) [pid 4396] exit_group(0 [pid 4401] <... futex resumed>) = ? [pid 4400] <... futex resumed>) = ? [pid 4396] <... exit_group resumed>) = ? [pid 4401] +++ exited with 0 +++ [pid 4400] +++ exited with 0 +++ [pid 4396] +++ exited with 0 +++ [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 302] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 302] umount2("./4720", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] openat(AT_FDCWD, "./4720", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 302] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] umount2("./4720/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4720/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4720/cgroup.cpu") = 0 [pid 302] umount2("./4720/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4720/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4720/binderfs") = 0 [pid 302] umount2("./4720/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4720/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4720/cgroup") = 0 [pid 302] umount2("./4720/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4720/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4720/cgroup.net") = 0 [pid 302] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] close(3) = 0 [pid 302] rmdir("./4720") = 0 [pid 302] mkdir("./4721", 0777) = 0 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4408 attached [pid 4408] set_robust_list(0x5555557fd6a0, 24 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13871 [pid 4408] <... set_robust_list resumed>) = 0 [pid 4408] chdir("./4721") = 0 [pid 4408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4408] setpgid(0, 0) = 0 [pid 4408] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4408] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4408] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4408] write(3, "1000", 4) = 4 [pid 4408] close(3) = 0 [pid 4408] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4408] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4408] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4408] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4408] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4408] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4409 attached [pid 4397] <... close resumed>) = 0 [pid 4391] <... close resumed>) = 0 [pid 4409] set_robust_list(0x7fba2feb79a0, 24 [pid 4408] <... clone3 resumed> => {parent_tid=[13872]}, 88) = 13872 [pid 4397] close(6 [pid 4391] close(6 [pid 4409] <... set_robust_list resumed>) = 0 [pid 4408] rt_sigprocmask(SIG_SETMASK, [], [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4409] rt_sigprocmask(SIG_SETMASK, [], [pid 4408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4397] close(7 [pid 4391] close(7 [pid 4409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4408] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4409] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4408] <... futex resumed>) = 0 [pid 4397] close(8 [pid 4391] close(8 [pid 4409] <... bpf resumed>) = 3 [pid 4408] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4409] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4397] close(9 [pid 4391] close(9 [pid 4409] <... futex resumed>) = 0 [pid 4408] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4409] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4408] <... futex resumed>) = 0 [pid 4397] close(10 [pid 4391] close(10 [pid 4409] <... bpf resumed>) = 0 [pid 4408] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4409] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4408] <... futex resumed>) = 0 [pid 4397] close(11 [pid 4391] close(11 [pid 4409] <... futex resumed>) = 0 [pid 4408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4409] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4397] close(12 [pid 4391] close(12 [pid 4408] <... mmap resumed>) = 0x7fba2fe76000 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4397] close(13 [pid 4391] close(13 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] <... mprotect resumed>) = 0 [pid 4397] close(14 [pid 4391] close(14 [pid 4408] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4397] close(15 [pid 4391] close(15 [pid 4408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4397] close(16 [pid 4391] close(16./strace-static-x86_64: Process 4410 attached [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4410] set_robust_list(0x7fba2fe969a0, 24 [pid 4397] close(17 [pid 4391] close(17 [pid 4410] <... set_robust_list resumed>) = 0 [pid 4408] <... clone3 resumed> => {parent_tid=[13873]}, 88) = 13873 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4410] rt_sigprocmask(SIG_SETMASK, [], [pid 4397] close(18 [pid 4391] close(18 [pid 4410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4408] rt_sigprocmask(SIG_SETMASK, [], [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4410] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4397] close(19 [pid 4391] close(19 [pid 4408] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4410] <... futex resumed>) = 0 [pid 4408] <... futex resumed>) = 1 [pid 4397] close(20 [pid 4391] close(20 [pid 4410] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4408] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4397] close(21 [pid 4391] close(21 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4397] close(22 [pid 4391] close(22 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4397] close(23 [pid 4391] close(23 [pid 4410] <... bpf resumed>) = 4 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4410] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4397] close(24 [pid 4391] close(24 [pid 4410] <... futex resumed>) = 1 [pid 4408] <... futex resumed>) = 0 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4410] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4408] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4397] close(25 [pid 4391] close(25 [pid 4409] <... futex resumed>) = 0 [pid 4408] <... futex resumed>) = 1 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4409] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4408] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4397] close(26 [pid 4391] close(26 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4397] close(27 [pid 4391] close(27 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4397] close(28 [pid 4391] close(28 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4397] close(29 [pid 4391] close(29 [pid 4397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4397] exit_group(0 [pid 4391] exit_group(0 [pid 4399] <... futex resumed>) = ? [pid 4398] <... futex resumed>) = ? [pid 4397] <... exit_group resumed>) = ? [pid 4393] <... futex resumed>) = 231 [pid 4399] +++ exited with 0 +++ [pid 4398] +++ exited with 0 +++ [pid 4397] +++ exited with 0 +++ [pid 4395] <... futex resumed>) = ? [pid 4391] <... exit_group resumed>) = ? [pid 4393] +++ exited with 0 +++ [pid 4395] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] umount2("./4644", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] openat(AT_FDCWD, "./4644", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4391] +++ exited with 0 +++ [pid 300] <... openat resumed>) = 3 [pid 300] newfstatat(3, "", [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 300] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] umount2("./4644/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... restart_syscall resumed>) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4644/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] umount2("./4608", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] unlink("./4644/cgroup.cpu" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... unlink resumed>) = 0 [pid 299] openat(AT_FDCWD, "./4608", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] umount2("./4644/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... openat resumed>) = 3 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(3, "", [pid 300] newfstatat(AT_FDCWD, "./4644/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] getdents64(3, [pid 300] unlink("./4644/binderfs" [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] <... unlink resumed>) = 0 [pid 299] umount2("./4608/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4644/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4608/cgroup.cpu", [pid 300] newfstatat(AT_FDCWD, "./4644/cgroup", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4608/cgroup.cpu" [pid 300] unlink("./4644/cgroup" [pid 299] <... unlink resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 299] umount2("./4608/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4644/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4608/binderfs", [pid 300] newfstatat(AT_FDCWD, "./4644/cgroup.net", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4608/binderfs" [pid 300] unlink("./4644/cgroup.net" [pid 299] <... unlink resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 299] umount2("./4608/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] getdents64(3, [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] newfstatat(AT_FDCWD, "./4608/cgroup", [pid 300] close(3 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... close resumed>) = 0 [pid 299] unlink("./4608/cgroup" [pid 300] rmdir("./4644" [pid 299] <... unlink resumed>) = 0 [pid 300] <... rmdir resumed>) = 0 [pid 299] umount2("./4608/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] mkdir("./4645", 0777 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... mkdir resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4608/cgroup.net", [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 4411 attached [pid 299] unlink("./4608/cgroup.net" [pid 4411] set_robust_list(0x5555557fd6a0, 24 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13647 [pid 299] <... unlink resumed>) = 0 [pid 4411] <... set_robust_list resumed>) = 0 [pid 299] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 4411] chdir("./4645" [pid 299] <... close resumed>) = 0 [pid 4411] <... chdir resumed>) = 0 [pid 299] rmdir("./4608" [pid 4411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... rmdir resumed>) = 0 [pid 4411] <... prctl resumed>) = 0 [pid 299] mkdir("./4609", 0777 [pid 4411] setpgid(0, 0 [pid 299] <... mkdir resumed>) = 0 [pid 4411] <... setpgid resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4411] symlink("/syzcgroup/unified/syz1", "./cgroup"./strace-static-x86_64: Process 4412 attached [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13499 [pid 4411] <... symlink resumed>) = 0 [pid 4412] set_robust_list(0x5555557fd6a0, 24 [pid 4411] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4412] <... set_robust_list resumed>) = 0 [pid 4412] chdir("./4609" [pid 4411] <... symlink resumed>) = 0 [pid 4412] <... chdir resumed>) = 0 [pid 4411] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4411] <... symlink resumed>) = 0 [pid 4412] <... prctl resumed>) = 0 [pid 4411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4412] setpgid(0, 0) = 0 [pid 4411] <... openat resumed>) = 3 [pid 4412] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4411] write(3, "1000", 4 [pid 4412] <... symlink resumed>) = 0 [pid 4412] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4411] <... write resumed>) = 4 [pid 4412] <... symlink resumed>) = 0 [pid 4411] close(3 [pid 4412] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4411] <... close resumed>) = 0 [pid 4412] <... symlink resumed>) = 0 [pid 4411] symlink("/dev/binderfs", "./binderfs" [pid 4412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4411] <... symlink resumed>) = 0 [pid 4412] <... openat resumed>) = 3 [pid 4411] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] write(3, "1000", 4 [pid 4411] <... futex resumed>) = 0 [pid 4412] <... write resumed>) = 4 [pid 4411] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4412] close(3 [pid 4411] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4412] <... close resumed>) = 0 [pid 4411] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4412] symlink("/dev/binderfs", "./binderfs" [pid 4411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4412] <... symlink resumed>) = 0 [pid 4411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4412] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4411] <... mmap resumed>) = 0x7fba2fe97000 [pid 4412] <... futex resumed>) = 0 [pid 4411] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4412] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4411] <... mprotect resumed>) = 0 [pid 4412] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4412] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4411] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4411] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4412] <... mmap resumed>) = 0x7fba2fe97000 ./strace-static-x86_64: Process 4413 attached [pid 4412] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4413] set_robust_list(0x7fba2feb79a0, 24) = 0 [pid 4412] <... mprotect resumed>) = 0 [pid 4411] <... clone3 resumed> => {parent_tid=[13648]}, 88) = 13648 [pid 4413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4412] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4411] rt_sigprocmask(SIG_SETMASK, [], [pid 4413] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4412] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4411] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 4414 attached [pid 4413] <... futex resumed>) = 0 [pid 4411] <... futex resumed>) = 1 [pid 4414] set_robust_list(0x7fba2feb79a0, 24 [pid 4413] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4412] <... clone3 resumed> => {parent_tid=[13500]}, 88) = 13500 [pid 4411] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4414] <... set_robust_list resumed>) = 0 [pid 4413] <... bpf resumed>) = 3 [pid 4412] rt_sigprocmask(SIG_SETMASK, [], [pid 4414] rt_sigprocmask(SIG_SETMASK, [], [pid 4413] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4413] <... futex resumed>) = 1 [pid 4412] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4411] <... futex resumed>) = 0 [pid 4413] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4411] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4411] <... futex resumed>) = 0 [pid 4414] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4413] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4412] <... futex resumed>) = 0 [pid 4411] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4414] <... bpf resumed>) = 3 [pid 4413] <... bpf resumed>) = 0 [pid 4412] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4411] <... futex resumed>) = 0 [pid 4414] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4413] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4414] <... futex resumed>) = 0 [pid 4413] <... futex resumed>) = 0 [pid 4412] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4411] <... mmap resumed>) = 0x7fba2fe76000 [pid 4414] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4413] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4412] <... futex resumed>) = 0 [pid 4411] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4412] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4411] <... mprotect resumed>) = 0 [pid 4414] <... bpf resumed>) = 0 [pid 4412] <... futex resumed>) = 0 [pid 4411] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4414] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4411] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4414] <... futex resumed>) = 0 [pid 4412] <... mmap resumed>) = 0x7fba2fe76000 [pid 4411] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4415 attached [pid 4414] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4412] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4415] set_robust_list(0x7fba2fe969a0, 24 [pid 4412] <... mprotect resumed>) = 0 [pid 4411] <... clone3 resumed> => {parent_tid=[13649]}, 88) = 13649 [pid 4415] <... set_robust_list resumed>) = 0 [pid 4412] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4411] rt_sigprocmask(SIG_SETMASK, [], [pid 4415] rt_sigprocmask(SIG_SETMASK, [], [pid 4412] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4411] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4415] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4411] <... futex resumed>) = 0 ./strace-static-x86_64: Process 4416 attached [pid 4411] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4416] set_robust_list(0x7fba2fe969a0, 24) = 0 [pid 4416] rt_sigprocmask(SIG_SETMASK, [], [pid 4415] <... bpf resumed>) = 4 [pid 4412] <... clone3 resumed> => {parent_tid=[13501]}, 88) = 13501 [pid 4416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4415] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] rt_sigprocmask(SIG_SETMASK, [], [pid 4416] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4415] <... futex resumed>) = 1 [pid 4412] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4411] <... futex resumed>) = 0 [pid 4411] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4413] <... futex resumed>) = 0 [pid 4411] <... futex resumed>) = 1 [pid 4416] <... futex resumed>) = 0 [pid 4415] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4413] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4412] <... futex resumed>) = 1 [pid 4411] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4416] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4412] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4416] <... bpf resumed>) = 4 [pid 4404] <... bpf resumed>) = 5 [pid 4416] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4405] <... bpf resumed>) = 5 [pid 4416] <... futex resumed>) = 1 [pid 4413] <... bpf resumed>) = 5 [pid 4412] <... futex resumed>) = 0 [pid 4409] <... bpf resumed>) = 5 [pid 4405] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4404] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4416] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4413] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4409] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4405] <... futex resumed>) = 1 [pid 4404] <... futex resumed>) = 1 [pid 4403] <... futex resumed>) = 0 [pid 4402] <... futex resumed>) = 0 [pid 4414] <... futex resumed>) = 0 [pid 4413] <... futex resumed>) = 1 [pid 4412] <... futex resumed>) = 1 [pid 4411] <... futex resumed>) = 0 [pid 4409] <... futex resumed>) = 1 [pid 4408] <... futex resumed>) = 0 [pid 4405] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4404] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4403] close(3 [pid 4402] close(3 [pid 4414] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4413] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4412] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4411] close(3 [pid 4409] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4408] close(3 [pid 4403] <... close resumed>) = 0 [pid 4402] <... close resumed>) = 0 [pid 4414] <... bpf resumed>) = 5 [pid 4411] <... close resumed>) = 0 [pid 4408] <... close resumed>) = 0 [pid 4414] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4411] close(4 [pid 4408] close(4 [pid 4403] close(4 [pid 4402] close(4 [pid 4414] <... futex resumed>) = 1 [pid 4412] <... futex resumed>) = 0 [pid 4411] <... close resumed>) = 0 [pid 4408] <... close resumed>) = 0 [pid 4403] <... close resumed>) = 0 [pid 4414] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4412] close(3 [pid 4411] close(5 [pid 4408] close(5 [pid 4403] close(5 [pid 4402] <... close resumed>) = 0 [pid 4412] <... close resumed>) = 0 [pid 4411] <... close resumed>) = 0 [pid 4408] <... close resumed>) = 0 [pid 4403] <... close resumed>) = 0 [pid 4402] close(5 [pid 4412] close(4 [pid 4411] close(6 [pid 4408] close(6 [pid 4403] close(6 [pid 4412] <... close resumed>) = 0 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4412] close(5 [pid 4411] close(7 [pid 4408] close(7 [pid 4403] close(7 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(8) = -1 EBADF (Bad file descriptor) [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(9 [pid 4408] close(8 [pid 4403] close(8 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(10 [pid 4408] close(9 [pid 4403] close(9 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(11) = -1 EBADF (Bad file descriptor) [pid 4411] close(12) = -1 EBADF (Bad file descriptor) [pid 4408] close(10 [pid 4403] close(10 [pid 4411] close(13 [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] close(11 [pid 4403] close(11 [pid 4411] close(14 [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(15 [pid 4408] close(12 [pid 4403] close(12 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(16 [pid 4408] close(13 [pid 4403] close(13 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(17 [pid 4408] close(14 [pid 4403] close(14 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(18) = -1 EBADF (Bad file descriptor) [pid 4408] close(15 [pid 4411] close(19 [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] close(15 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] close(16 [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(20 [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] close(16 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] close(17 [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(21) = -1 EBADF (Bad file descriptor) [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] close(17 [pid 4411] close(22 [pid 4408] close(18 [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] close(18 [pid 4411] close(23) = -1 EBADF (Bad file descriptor) [pid 4411] close(24 [pid 4408] close(19 [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] close(19 [pid 4411] close(25 [pid 4408] close(20 [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] close(20 [pid 4411] close(26) = -1 EBADF (Bad file descriptor) [pid 4411] close(27 [pid 4408] close(21 [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(28 [pid 4408] close(22 [pid 4403] close(21 [pid 4411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4411] close(29) = -1 EBADF (Bad file descriptor) [pid 4408] close(23 [pid 4403] close(22 [pid 4411] exit_group(0 [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4415] <... futex resumed>) = ? [pid 4413] <... futex resumed>) = ? [pid 4411] <... exit_group resumed>) = ? [pid 4408] close(24 [pid 4403] close(23 [pid 4415] +++ exited with 0 +++ [pid 4413] +++ exited with 0 +++ [pid 4411] +++ exited with 0 +++ [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] close(25 [pid 4403] close(24 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 4408] close(26 [pid 4403] close(25 [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] close(27 [pid 4403] close(26 [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] close(28 [pid 4403] close(27 [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4408] close(29 [pid 4403] close(28 [pid 4408] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... restart_syscall resumed>) = 0 [pid 4408] exit_group(0 [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4409] <... futex resumed>) = ? [pid 4403] close(29 [pid 4410] <... futex resumed>) = ? [pid 300] umount2("./4645", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4408] <... exit_group resumed>) = ? [pid 4410] +++ exited with 0 +++ [pid 4409] +++ exited with 0 +++ [pid 4403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] openat(AT_FDCWD, "./4645", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 300] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] getdents64(3, [pid 4408] +++ exited with 0 +++ [pid 4403] exit_group(0 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4405] <... futex resumed>) = ? [pid 4407] <... futex resumed>) = 176 [pid 4403] <... exit_group resumed>) = ? [pid 4405] +++ exited with 0 +++ [pid 300] umount2("./4645/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4407] +++ exited with 0 +++ [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4645/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4645/cgroup.cpu") = 0 [pid 300] umount2("./4645/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4645/binderfs", [pid 4403] +++ exited with 0 +++ [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4645/binderfs" [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] <... unlink resumed>) = 0 [pid 300] umount2("./4645/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13871, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] restart_syscall(<... resuming interrupted clone ...> [pid 301] <... restart_syscall resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4645/cgroup", [pid 302] <... restart_syscall resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4645/cgroup") = 0 [pid 302] umount2("./4721", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4700", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4645/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4645/cgroup.net", [pid 302] openat(AT_FDCWD, "./4721", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... openat resumed>) = 3 [pid 301] openat(AT_FDCWD, "./4700", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] unlink("./4645/cgroup.net" [pid 302] newfstatat(3, "", [pid 301] <... openat resumed>) = 3 [pid 300] <... unlink resumed>) = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] close(3 [pid 301] newfstatat(3, "", [pid 302] getdents64(3, [pid 300] <... close resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] rmdir("./4645" [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] getdents64(3, [pid 300] <... rmdir resumed>) = 0 [pid 302] umount2("./4721/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] mkdir("./4646", 0777 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] <... mkdir resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4721/cgroup.cpu", [pid 301] umount2("./4700/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13650 ./strace-static-x86_64: Process 4417 attached [pid 302] unlink("./4721/cgroup.cpu" [pid 301] newfstatat(AT_FDCWD, "./4700/cgroup.cpu", [pid 4417] set_robust_list(0x5555557fd6a0, 24 [pid 302] <... unlink resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4417] <... set_robust_list resumed>) = 0 [pid 302] umount2("./4721/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] unlink("./4700/cgroup.cpu" [pid 4417] chdir("./4646" [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... unlink resumed>) = 0 [pid 4417] <... chdir resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4721/binderfs", [pid 4417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 301] umount2("./4700/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4417] <... prctl resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4417] setpgid(0, 0 [pid 302] unlink("./4721/binderfs" [pid 301] newfstatat(AT_FDCWD, "./4700/binderfs", [pid 4417] <... setpgid resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4417] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 301] unlink("./4700/binderfs" [pid 302] umount2("./4721/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4417] <... symlink resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] umount2("./4700/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4417] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 302] newfstatat(AT_FDCWD, "./4721/cgroup", [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4417] <... symlink resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] newfstatat(AT_FDCWD, "./4700/cgroup", [pid 4417] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 302] unlink("./4721/cgroup" [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4417] <... symlink resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 301] unlink("./4700/cgroup" [pid 4417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 302] umount2("./4721/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... unlink resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4417] <... openat resumed>) = 3 [pid 302] newfstatat(AT_FDCWD, "./4721/cgroup.net", [pid 301] umount2("./4700/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4417] write(3, "1000", 4 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4417] <... write resumed>) = 4 [pid 302] unlink("./4721/cgroup.net" [pid 301] newfstatat(AT_FDCWD, "./4700/cgroup.net", [pid 4417] close(3 [pid 302] <... unlink resumed>) = 0 [pid 4417] <... close resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] getdents64(3, [pid 4417] symlink("/dev/binderfs", "./binderfs" [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] unlink("./4700/cgroup.net" [pid 4417] <... symlink resumed>) = 0 [pid 302] close(3 [pid 301] <... unlink resumed>) = 0 [pid 4417] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... close resumed>) = 0 [pid 301] getdents64(3, [pid 4417] <... futex resumed>) = 0 [pid 302] rmdir("./4721" [pid 4417] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4417] <... rt_sigaction resumed>NULL, 8) = 0 [pid 302] <... rmdir resumed>) = 0 [pid 301] close(3 [pid 4417] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 302] mkdir("./4722", 0777 [pid 301] <... close resumed>) = 0 [pid 4417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4412] <... close resumed>) = 0 [pid 4402] <... close resumed>) = 0 [pid 302] <... mkdir resumed>) = 0 [pid 301] rmdir("./4700" [pid 4417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4412] close(6 [pid 4402] close(6 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4412] close(7) = -1 EBADF (Bad file descriptor) [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... rmdir resumed>) = 0 [pid 4412] close(8) = -1 EBADF (Bad file descriptor) [pid 4412] close(9) = -1 EBADF (Bad file descriptor) [pid 4412] close(10) = -1 EBADF (Bad file descriptor) [pid 4412] close(11) = -1 EBADF (Bad file descriptor) [pid 4412] close(12./strace-static-x86_64: Process 4418 attached [pid 4417] <... mmap resumed>) = 0x7fba2fe97000 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] close(7 [pid 301] mkdir("./4701", 0777 [pid 4418] set_robust_list(0x5555557fd6a0, 24 [pid 4417] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4412] close(13 [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13874 [pid 4418] <... set_robust_list resumed>) = 0 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4418] chdir("./4722" [pid 4412] close(14 [pid 4418] <... chdir resumed>) = 0 [pid 4417] <... mprotect resumed>) = 0 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] close(8 [pid 301] <... mkdir resumed>) = 0 [pid 4418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4417] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4412] close(15 [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4418] <... prctl resumed>) = 0 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4418] setpgid(0, 0 [pid 4417] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4412] close(16 [pid 4402] close(9 [pid 4418] <... setpgid resumed>) = 0 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4419 attached [pid 4418] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4412] close(17 [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4419] set_robust_list(0x5555557fd6a0, 24 [pid 4418] <... symlink resumed>) = 0 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4419] <... set_robust_list resumed>) = 0 [pid 4418] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4412] close(18 [pid 4419] chdir("./4701" [pid 4418] <... symlink resumed>) = 0 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] close(10 [pid 4419] <... chdir resumed>) = 0 [pid 4418] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4412] close(19 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13782 ./strace-static-x86_64: Process 4420 attached [pid 4419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4418] <... symlink resumed>) = 0 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4420] set_robust_list(0x7fba2feb79a0, 24 [pid 4419] <... prctl resumed>) = 0 [pid 4418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4417] <... clone3 resumed> => {parent_tid=[13651]}, 88) = 13651 [pid 4412] close(20 [pid 4402] close(11 [pid 4420] <... set_robust_list resumed>) = 0 [pid 4419] setpgid(0, 0 [pid 4418] <... openat resumed>) = 3 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4420] rt_sigprocmask(SIG_SETMASK, [], [pid 4419] <... setpgid resumed>) = 0 [pid 4418] write(3, "1000", 4 [pid 4417] rt_sigprocmask(SIG_SETMASK, [], [pid 4412] close(21 [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4419] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4418] <... write resumed>) = 4 [pid 4417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] close(12 [pid 4420] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4419] <... symlink resumed>) = 0 [pid 4418] close(3 [pid 4417] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] close(22 [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4419] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4418] <... close resumed>) = 0 [pid 4417] <... futex resumed>) = 0 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4420] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4419] <... symlink resumed>) = 0 [pid 4418] symlink("/dev/binderfs", "./binderfs" [pid 4417] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4412] close(23 [pid 4402] close(13 [pid 4420] <... bpf resumed>) = 3 [pid 4419] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4418] <... symlink resumed>) = 0 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4420] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4419] <... symlink resumed>) = 0 [pid 4418] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] close(24 [pid 4402] close(14 [pid 4420] <... futex resumed>) = 1 [pid 4419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4418] <... futex resumed>) = 0 [pid 4417] <... futex resumed>) = 0 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4420] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4419] <... openat resumed>) = 3 [pid 4418] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4417] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] close(25 [pid 4402] close(15 [pid 4420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4419] write(3, "1000", 4 [pid 4418] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4417] <... futex resumed>) = 0 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4420] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4419] <... write resumed>) = 4 [pid 4418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4417] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4412] close(26 [pid 4402] close(16 [pid 4419] close(3 [pid 4418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4419] <... close resumed>) = 0 [pid 4418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4412] close(27 [pid 4420] <... bpf resumed>) = 0 [pid 4419] symlink("/dev/binderfs", "./binderfs" [pid 4418] <... mmap resumed>) = 0x7fba2fe97000 [pid 4417] <... futex resumed>) = 0 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4420] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4419] <... symlink resumed>) = 0 [pid 4418] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4412] close(28 [pid 4402] close(17 [pid 4420] <... futex resumed>) = 0 [pid 4419] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4418] <... mprotect resumed>) = 0 [pid 4417] <... mmap resumed>) = 0x7fba2fe76000 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4420] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4419] <... futex resumed>) = 0 [pid 4418] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4417] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4412] close(29 [pid 4402] close(18 [pid 4419] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4418] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4417] <... mprotect resumed>) = 0 [pid 4412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4419] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4417] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4412] exit_group(0 [pid 4402] close(19./strace-static-x86_64: Process 4421 attached [pid 4419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4417] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4416] <... futex resumed>) = ? [pid 4414] <... futex resumed>) = ? [pid 4412] <... exit_group resumed>) = ? [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4421] set_robust_list(0x7fba2feb79a0, 24 [pid 4419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4418] <... clone3 resumed> => {parent_tid=[13875]}, 88) = 13875 [pid 4417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4416] +++ exited with 0 +++ [pid 4414] +++ exited with 0 +++ [pid 4412] +++ exited with 0 +++ [pid 4402] close(20 [pid 4421] <... set_robust_list resumed>) = 0 [pid 4419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4418] rt_sigprocmask(SIG_SETMASK, [], [pid 4419] <... mmap resumed>) = 0x7fba2fe97000 [pid 4418] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 4422 attached [pid 4419] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4421] rt_sigprocmask(SIG_SETMASK, [], [pid 4418] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4422] set_robust_list(0x7fba2fe969a0, 24 [pid 4421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4419] <... mprotect resumed>) = 0 [pid 4418] <... futex resumed>) = 0 [pid 4417] <... clone3 resumed> => {parent_tid=[13652]}, 88) = 13652 [pid 4402] close(21 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 4422] <... set_robust_list resumed>) = 0 [pid 4421] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4419] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4418] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4417] rt_sigprocmask(SIG_SETMASK, [], [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... restart_syscall resumed>) = 0 [pid 4422] rt_sigprocmask(SIG_SETMASK, [], [pid 4421] <... bpf resumed>) = 3 [pid 4419] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4421] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4417] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] close(22./strace-static-x86_64: Process 4423 attached [pid 4422] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4421] <... futex resumed>) = 1 [pid 4418] <... futex resumed>) = 0 [pid 4417] <... futex resumed>) = 0 [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4423] set_robust_list(0x7fba2feb79a0, 24 [pid 4422] <... bpf resumed>) = 4 [pid 4421] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4419] <... clone3 resumed> => {parent_tid=[13783]}, 88) = 13783 [pid 4418] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4417] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4402] close(23 [pid 4423] <... set_robust_list resumed>) = 0 [pid 4422] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4419] rt_sigprocmask(SIG_SETMASK, [], [pid 4418] <... futex resumed>) = 0 [pid 4417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] umount2("./4609", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4423] rt_sigprocmask(SIG_SETMASK, [], [pid 4422] <... futex resumed>) = 0 [pid 4421] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4418] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4417] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] close(24 [pid 4423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4422] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4419] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4418] <... futex resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4421] <... bpf resumed>) = 0 [pid 4420] <... futex resumed>) = 0 [pid 4419] <... futex resumed>) = 0 [pid 4418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4417] <... futex resumed>) = 1 [pid 4423] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4421] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4420] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4419] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4418] <... mmap resumed>) = 0x7fba2fe76000 [pid 4417] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] openat(AT_FDCWD, "./4609", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4423] <... bpf resumed>) = 3 [pid 4421] <... futex resumed>) = 0 [pid 4418] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4402] close(25 [pid 4423] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4421] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4418] <... mprotect resumed>) = 0 [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... openat resumed>) = 3 [pid 4423] <... futex resumed>) = 1 [pid 4419] <... futex resumed>) = 0 [pid 4418] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4402] close(26 [pid 299] newfstatat(3, "", [pid 4423] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4419] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4418] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4419] <... futex resumed>) = 0 [pid 4418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4424 attached [pid 4423] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4419] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] close(27 [pid 299] getdents64(3, [pid 4424] set_robust_list(0x7fba2fe969a0, 24 [pid 4419] <... futex resumed>) = 0 [pid 4418] <... clone3 resumed> => {parent_tid=[13876]}, 88) = 13876 [pid 4424] <... set_robust_list resumed>) = 0 [pid 4423] <... bpf resumed>) = 0 [pid 4419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4418] rt_sigprocmask(SIG_SETMASK, [], [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4424] rt_sigprocmask(SIG_SETMASK, [], [pid 4423] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4419] <... mmap resumed>) = 0x7fba2fe76000 [pid 4418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4402] close(28 [pid 299] umount2("./4609/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4423] <... futex resumed>) = 0 [pid 4419] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4418] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4424] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4423] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4419] <... mprotect resumed>) = 0 [pid 4418] <... futex resumed>) = 0 [pid 4419] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4402] close(29 [pid 299] newfstatat(AT_FDCWD, "./4609/cgroup.cpu", [pid 4419] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4418] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4419] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4425 attached [pid 4424] <... bpf resumed>) = 4 [pid 4402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4425] set_robust_list(0x7fba2fe969a0, 24 [pid 4424] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4419] <... clone3 resumed> => {parent_tid=[13784]}, 88) = 13784 [pid 4402] exit_group(0 [pid 299] unlink("./4609/cgroup.cpu" [pid 4425] <... set_robust_list resumed>) = 0 [pid 4424] <... futex resumed>) = 1 [pid 4419] rt_sigprocmask(SIG_SETMASK, [], [pid 4418] <... futex resumed>) = 0 [pid 4406] <... futex resumed>) = ? [pid 4404] <... futex resumed>) = ? [pid 4402] <... exit_group resumed>) = ? [pid 4425] rt_sigprocmask(SIG_SETMASK, [], [pid 4424] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4418] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4406] +++ exited with 0 +++ [pid 4404] +++ exited with 0 +++ [pid 299] <... unlink resumed>) = 0 [pid 4421] <... futex resumed>) = 0 [pid 4419] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4418] <... futex resumed>) = 1 [pid 4421] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4419] <... futex resumed>) = 0 [pid 4418] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4419] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4402] +++ exited with 0 +++ [pid 4425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4421] <... bpf resumed>) = 5 [pid 4420] <... bpf resumed>) = 5 [pid 299] umount2("./4609/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4425] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4421] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4420] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4421] <... futex resumed>) = 1 [pid 4420] <... futex resumed>) = 1 [pid 4418] <... futex resumed>) = 0 [pid 4417] <... futex resumed>) = 0 [pid 4421] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4420] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4418] close(3 [pid 4417] close(3 [pid 4418] <... close resumed>) = 0 [pid 4417] <... close resumed>) = 0 [pid 4418] close(4 [pid 4417] close(4 [pid 4418] <... close resumed>) = 0 [pid 4417] <... close resumed>) = 0 [pid 4425] <... bpf resumed>) = 4 [pid 4418] close(5 [pid 4417] close(5 [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 299] newfstatat(AT_FDCWD, "./4609/binderfs", [pid 4425] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4418] <... close resumed>) = 0 [pid 4417] <... close resumed>) = 0 [pid 303] <... restart_syscall resumed>) = 0 [pid 4418] close(6 [pid 4417] close(6 [pid 4425] <... futex resumed>) = 1 [pid 4419] <... futex resumed>) = 0 [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4425] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4419] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4418] close(7 [pid 4417] close(7 [pid 4423] <... futex resumed>) = 0 [pid 4419] <... futex resumed>) = 1 [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] unlink("./4609/binderfs" [pid 4423] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4419] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4418] close(8 [pid 4417] close(8 [pid 303] umount2("./4753", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... unlink resumed>) = 0 [pid 4418] close(9 [pid 4417] close(9 [pid 303] openat(AT_FDCWD, "./4753", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] umount2("./4609/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... openat resumed>) = 3 [pid 4418] close(10 [pid 4417] close(10 [pid 303] newfstatat(3, "", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] newfstatat(AT_FDCWD, "./4609/cgroup", [pid 4418] close(11 [pid 4417] close(11 [pid 303] getdents64(3, [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4418] close(12 [pid 4417] close(12 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] umount2("./4753/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] unlink("./4609/cgroup" [pid 4418] close(13 [pid 4417] close(13 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4418] close(14 [pid 4417] close(14 [pid 303] newfstatat(AT_FDCWD, "./4753/cgroup.cpu", [pid 299] <... unlink resumed>) = 0 [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] umount2("./4609/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4418] close(15 [pid 4417] close(15 [pid 303] unlink("./4753/cgroup.cpu" [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4418] close(16 [pid 4417] close(16 [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... unlink resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4609/cgroup.net", [pid 4418] close(17 [pid 4417] close(17 [pid 303] umount2("./4753/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4418] close(18 [pid 4417] close(18 [pid 303] newfstatat(AT_FDCWD, "./4753/binderfs", [pid 299] unlink("./4609/cgroup.net" [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4418] close(19 [pid 4417] close(19 [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] unlink("./4753/binderfs" [pid 299] <... unlink resumed>) = 0 [pid 4418] close(20 [pid 4417] close(20 [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4418] close(21 [pid 4417] close(21 [pid 303] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4418] close(22 [pid 4417] close(22 [pid 303] umount2("./4753/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4418] close(23 [pid 4417] close(23 [pid 303] newfstatat(AT_FDCWD, "./4753/cgroup", [pid 299] close(3 [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4418] close(24 [pid 4417] close(24 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... close resumed>) = 0 [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] unlink("./4753/cgroup" [pid 4418] close(25 [pid 4417] close(25 [pid 299] rmdir("./4609" [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4418] close(26 [pid 4417] close(26 [pid 303] <... unlink resumed>) = 0 [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4418] close(27 [pid 4417] close(27 [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... rmdir resumed>) = 0 [pid 4418] close(28 [pid 4417] close(28 [pid 303] umount2("./4753/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] mkdir("./4610", 0777 [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4418] close(29 [pid 4417] close(29 [pid 4418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4418] exit_group(0 [pid 4417] exit_group(0 [pid 299] <... mkdir resumed>) = 0 [pid 4424] <... futex resumed>) = ? [pid 4422] <... futex resumed>) = ? [pid 4421] <... futex resumed>) = ? [pid 4420] <... futex resumed>) = ? [pid 4418] <... exit_group resumed>) = ? [pid 4417] <... exit_group resumed>) = ? [pid 303] newfstatat(AT_FDCWD, "./4753/cgroup.net", [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4424] +++ exited with 0 +++ [pid 4422] +++ exited with 0 +++ [pid 4421] +++ exited with 0 +++ [pid 4420] +++ exited with 0 +++ [pid 4418] +++ exited with 0 +++ [pid 4417] +++ exited with 0 +++ [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 4426 attached [pid 303] unlink("./4753/cgroup.net" [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4426] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 4426] chdir("./4610" [pid 303] <... unlink resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13502 [pid 4426] <... chdir resumed>) = 0 [pid 303] getdents64(3, [pid 4426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] umount2("./4722", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4426] setpgid(0, 0 [pid 303] close(3 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... restart_syscall resumed>) = 0 [pid 4426] <... setpgid resumed>) = 0 [pid 4426] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 303] <... close resumed>) = 0 [pid 302] openat(AT_FDCWD, "./4722", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4426] <... symlink resumed>) = 0 [pid 300] umount2("./4646", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4426] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 303] rmdir("./4753" [pid 302] <... openat resumed>) = 3 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4426] <... symlink resumed>) = 0 [pid 300] openat(AT_FDCWD, "./4646", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4426] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 300] <... openat resumed>) = 3 [pid 4426] <... symlink resumed>) = 0 [pid 303] <... rmdir resumed>) = 0 [pid 302] newfstatat(3, "", [pid 300] newfstatat(3, "", [pid 4426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 303] mkdir("./4754", 0777 [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4426] <... openat resumed>) = 3 [pid 300] getdents64(3, [pid 4426] write(3, "1000", 4 [pid 302] getdents64(3, [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4426] <... write resumed>) = 4 [pid 300] umount2("./4646/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4426] close(3 [pid 303] <... mkdir resumed>) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4426] <... close resumed>) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] newfstatat(AT_FDCWD, "./4646/cgroup.cpu", [pid 4426] symlink("/dev/binderfs", "./binderfs" [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4426] <... symlink resumed>) = 0 [pid 300] unlink("./4646/cgroup.cpu"./strace-static-x86_64: Process 4427 attached [pid 4426] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] umount2("./4722/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... unlink resumed>) = 0 [pid 4427] set_robust_list(0x5555557fd6a0, 24 [pid 4426] <... futex resumed>) = 0 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13939 [pid 300] umount2("./4646/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4426] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4427] <... set_robust_list resumed>) = 0 [pid 4426] <... rt_sigaction resumed>NULL, 8) = 0 [pid 302] newfstatat(AT_FDCWD, "./4722/cgroup.cpu", [pid 300] newfstatat(AT_FDCWD, "./4646/binderfs", [pid 4427] chdir("./4754" [pid 4426] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4427] <... chdir resumed>) = 0 [pid 4426] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] unlink("./4722/cgroup.cpu" [pid 300] unlink("./4646/binderfs" [pid 4427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 300] <... unlink resumed>) = 0 [pid 4427] <... prctl resumed>) = 0 [pid 4426] <... mmap resumed>) = 0x7fba2fe97000 [pid 302] <... unlink resumed>) = 0 [pid 300] umount2("./4646/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4427] setpgid(0, 0 [pid 4426] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 302] umount2("./4722/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4427] <... setpgid resumed>) = 0 [pid 4426] <... mprotect resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4646/cgroup", [pid 4426] rt_sigprocmask(SIG_BLOCK, ~[], [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4426] <... rt_sigprocmask resumed>[], 8) = 0 [pid 300] unlink("./4646/cgroup" [pid 4427] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4426] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 302] newfstatat(AT_FDCWD, "./4722/binderfs", [pid 300] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4428 attached [pid 300] umount2("./4646/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4428] set_robust_list(0x7fba2feb79a0, 24 [pid 4427] <... symlink resumed>) = 0 [pid 4426] <... clone3 resumed> => {parent_tid=[13503]}, 88) = 13503 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4428] <... set_robust_list resumed>) = 0 [pid 4427] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4426] rt_sigprocmask(SIG_SETMASK, [], [pid 302] unlink("./4722/binderfs" [pid 300] newfstatat(AT_FDCWD, "./4646/cgroup.net", [pid 4428] rt_sigprocmask(SIG_SETMASK, [], [pid 4426] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4427] <... symlink resumed>) = 0 [pid 4426] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] unlink("./4646/cgroup.net" [pid 4428] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4427] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4426] <... futex resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 4428] <... bpf resumed>) = 3 [pid 4426] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] getdents64(3, [pid 4428] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4427] <... symlink resumed>) = 0 [pid 4426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 302] umount2("./4722/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4428] <... futex resumed>) = 0 [pid 4427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4426] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] close(3 [pid 4428] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4426] <... futex resumed>) = 0 [pid 300] <... close resumed>) = 0 [pid 4428] <... bpf resumed>) = 0 [pid 4427] <... openat resumed>) = 3 [pid 4426] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] newfstatat(AT_FDCWD, "./4722/cgroup", [pid 300] rmdir("./4646" [pid 4428] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4427] write(3, "1000", 4 [pid 4426] <... futex resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... rmdir resumed>) = 0 [pid 4428] <... futex resumed>) = 0 [pid 4427] <... write resumed>) = 4 [pid 4426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 302] unlink("./4722/cgroup" [pid 300] mkdir("./4647", 0777 [pid 4428] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4427] close(3 [pid 4426] <... mmap resumed>) = 0x7fba2fe76000 [pid 302] <... unlink resumed>) = 0 [pid 300] <... mkdir resumed>) = 0 [pid 4427] <... close resumed>) = 0 [pid 4426] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 302] umount2("./4722/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4427] symlink("/dev/binderfs", "./binderfs" [pid 4426] <... mprotect resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4429 attached [pid 4426] rt_sigprocmask(SIG_BLOCK, ~[], [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13653 [pid 4429] set_robust_list(0x5555557fd6a0, 24 [pid 4427] <... symlink resumed>) = 0 [pid 4426] <... rt_sigprocmask resumed>[], 8) = 0 [pid 302] newfstatat(AT_FDCWD, "./4722/cgroup.net", [pid 4429] <... set_robust_list resumed>) = 0 [pid 4427] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4426] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 4430 attached [pid 4429] chdir("./4647" [pid 4427] <... futex resumed>) = 0 [pid 4423] <... bpf resumed>) = 5 [pid 302] unlink("./4722/cgroup.net" [pid 4430] set_robust_list(0x7fba2fe969a0, 24 [pid 4429] <... chdir resumed>) = 0 [pid 4427] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4426] <... clone3 resumed> => {parent_tid=[13504]}, 88) = 13504 [pid 4423] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4430] <... set_robust_list resumed>) = 0 [pid 4429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4427] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4426] rt_sigprocmask(SIG_SETMASK, [], [pid 4423] <... futex resumed>) = 1 [pid 4419] <... futex resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 4430] rt_sigprocmask(SIG_SETMASK, [], [pid 4429] <... prctl resumed>) = 0 [pid 4427] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4426] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4423] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4419] close(3 [pid 302] getdents64(3, [pid 4430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4429] setpgid(0, 0 [pid 4427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4426] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4419] <... close resumed>) = 0 [pid 4430] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4429] <... setpgid resumed>) = 0 [pid 4427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4426] <... futex resumed>) = 0 [pid 4419] close(4 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4426] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4419] <... close resumed>) = 0 [pid 4419] close(5) = 0 [pid 4419] close(6 [pid 4430] <... bpf resumed>) = 4 [pid 4419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4419] close(7) = -1 EBADF (Bad file descriptor) [pid 4419] close(8 [pid 4429] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4430] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4427] <... mmap resumed>) = 0x7fba2fe97000 [pid 4419] close(9 [pid 302] close(3 [pid 4419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4429] <... symlink resumed>) = 0 [pid 4419] close(10) = -1 EBADF (Bad file descriptor) [pid 4427] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 302] <... close resumed>) = 0 [pid 4430] <... futex resumed>) = 1 [pid 4429] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4427] <... mprotect resumed>) = 0 [pid 4426] <... futex resumed>) = 0 [pid 4419] close(11 [pid 302] rmdir("./4722" [pid 4430] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4426] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4429] <... symlink resumed>) = 0 [pid 4428] <... futex resumed>) = 0 [pid 4426] <... futex resumed>) = 1 [pid 4419] close(12 [pid 4428] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4426] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4429] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4427] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4419] close(13 [pid 302] <... rmdir resumed>) = 0 [pid 4427] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4429] <... symlink resumed>) = 0 [pid 4427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4419] close(14 [pid 302] mkdir("./4723", 0777 [pid 4429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4419] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4431 attached [pid 4419] close(15 [pid 4431] set_robust_list(0x7fba2feb79a0, 24 [pid 4419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4431] <... set_robust_list resumed>) = 0 [pid 4419] close(16 [pid 4431] rt_sigprocmask(SIG_SETMASK, [], [pid 4419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4419] close(17 [pid 302] <... mkdir resumed>) = 0 [pid 4431] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4427] <... clone3 resumed> => {parent_tid=[13940]}, 88) = 13940 [pid 4419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4429] <... openat resumed>) = 3 [pid 4427] rt_sigprocmask(SIG_SETMASK, [], [pid 4419] close(18 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4429] write(3, "1000", 4 [pid 4427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4419] close(19) = -1 EBADF (Bad file descriptor) [pid 4419] close(20) = -1 EBADF (Bad file descriptor) [pid 4419] close(21) = -1 EBADF (Bad file descriptor) [pid 4419] close(22) = -1 EBADF (Bad file descriptor) [pid 4419] close(23) = -1 EBADF (Bad file descriptor) [pid 4419] close(24) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4432 attached [pid 4419] close(25 [pid 4429] <... write resumed>) = 4 [pid 4427] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4432] set_robust_list(0x5555557fd6a0, 24 [pid 4429] close(3 [pid 4419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... set_robust_list resumed>) = 0 [pid 4431] <... futex resumed>) = 0 [pid 4429] <... close resumed>) = 0 [pid 4427] <... futex resumed>) = 1 [pid 4419] close(26 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13877 [pid 4432] chdir("./4723" [pid 4431] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4429] symlink("/dev/binderfs", "./binderfs" [pid 4427] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... chdir resumed>) = 0 [pid 4431] <... bpf resumed>) = 3 [pid 4419] close(27 [pid 4432] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4431] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... prctl resumed>) = 0 [pid 4431] <... futex resumed>) = 0 [pid 4429] <... symlink resumed>) = 0 [pid 4427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4419] close(28 [pid 4432] setpgid(0, 0 [pid 4431] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4429] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4427] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... setpgid resumed>) = 0 [pid 4431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4429] <... futex resumed>) = 0 [pid 4427] <... futex resumed>) = 0 [pid 4419] close(29 [pid 4432] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4431] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4429] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4427] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4419] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... symlink resumed>) = 0 [pid 4431] <... bpf resumed>) = 0 [pid 4429] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4427] <... futex resumed>) = 0 [pid 4419] exit_group(0 [pid 4432] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4431] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4425] <... futex resumed>) = ? [pid 4423] <... futex resumed>) = ? [pid 4419] <... exit_group resumed>) = ? [pid 4432] <... symlink resumed>) = 0 [pid 4431] <... futex resumed>) = 0 [pid 4429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4427] <... mmap resumed>) = 0x7fba2fe76000 [pid 4425] +++ exited with 0 +++ [pid 4423] +++ exited with 0 +++ [pid 4419] +++ exited with 0 +++ [pid 4432] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4431] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4427] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4432] <... symlink resumed>) = 0 [pid 4429] <... mmap resumed>) = 0x7fba2fe97000 [pid 4432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4429] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4427] <... mprotect resumed>) = 0 [pid 4432] write(3, "1000", 4 [pid 4429] <... mprotect resumed>) = 0 [pid 4427] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4432] <... write resumed>) = 4 [pid 4429] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4427] <... rt_sigprocmask resumed>[], 8) = 0 [pid 301] umount2("./4701", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4432] close(3 [pid 4429] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4427] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4432] <... close resumed>) = 0 [pid 4429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4433 attached [pid 4433] set_robust_list(0x7fba2fe969a0, 24./strace-static-x86_64: Process 4434 attached ) = 0 [pid 301] openat(AT_FDCWD, "./4701", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4434] set_robust_list(0x7fba2feb79a0, 24 [pid 4433] rt_sigprocmask(SIG_SETMASK, [], [pid 4432] symlink("/dev/binderfs", "./binderfs" [pid 4429] <... clone3 resumed> => {parent_tid=[13654]}, 88) = 13654 [pid 4427] <... clone3 resumed> => {parent_tid=[13941]}, 88) = 13941 [pid 4434] <... set_robust_list resumed>) = 0 [pid 4433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] <... openat resumed>) = 3 [pid 4433] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4432] <... symlink resumed>) = 0 [pid 4434] rt_sigprocmask(SIG_SETMASK, [], [pid 4429] rt_sigprocmask(SIG_SETMASK, [], [pid 301] newfstatat(3, "", [pid 4427] rt_sigprocmask(SIG_SETMASK, [], [pid 4434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4432] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4427] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4429] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4434] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4432] <... futex resumed>) = 0 [pid 4429] <... futex resumed>) = 0 [pid 4427] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] getdents64(3, [pid 4434] <... bpf resumed>) = 3 [pid 4432] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4429] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4434] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4433] <... futex resumed>) = 0 [pid 4429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4432] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4427] <... futex resumed>) = 1 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4434] <... futex resumed>) = 0 [pid 4433] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4432] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4429] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4427] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] umount2("./4701/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4434] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4433] <... bpf resumed>) = 4 [pid 4432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4429] <... futex resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4433] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4434] <... bpf resumed>) = 0 [pid 4433] <... futex resumed>) = 1 [pid 4432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4429] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4427] <... futex resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4701/cgroup.cpu", [pid 4434] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4433] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4432] <... mmap resumed>) = 0x7fba2fe97000 [pid 4429] <... futex resumed>) = 0 [pid 4427] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4434] <... futex resumed>) = 0 [pid 4431] <... futex resumed>) = 0 [pid 4427] <... futex resumed>) = 1 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4432] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4434] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4431] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4427] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 301] unlink("./4701/cgroup.cpu" [pid 4432] <... mprotect resumed>) = 0 [pid 4429] <... mmap resumed>) = 0x7fba2fe76000 [pid 301] <... unlink resumed>) = 0 [pid 4432] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4429] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4432] <... rt_sigprocmask resumed>[], 8) = 0 [pid 301] umount2("./4701/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4429] <... mprotect resumed>) = 0 [pid 4432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4429] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 4435 attached [], 8) = 0 [pid 301] newfstatat(AT_FDCWD, "./4701/binderfs", [pid 4435] set_robust_list(0x7fba2feb79a0, 24 [pid 4432] <... clone3 resumed> => {parent_tid=[13878]}, 88) = 13878 [pid 4429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4435] <... set_robust_list resumed>) = 0 [pid 4432] rt_sigprocmask(SIG_SETMASK, [], [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4435] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4436 attached [pid 301] unlink("./4701/binderfs" [pid 4436] set_robust_list(0x7fba2fe969a0, 24 [pid 4432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4429] <... clone3 resumed> => {parent_tid=[13655]}, 88) = 13655 [pid 4436] <... set_robust_list resumed>) = 0 [pid 4436] rt_sigprocmask(SIG_SETMASK, [], [pid 301] <... unlink resumed>) = 0 [pid 4436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4432] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4429] rt_sigprocmask(SIG_SETMASK, [], [pid 301] umount2("./4701/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4436] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4435] <... futex resumed>) = 0 [pid 4432] <... futex resumed>) = 1 [pid 4429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4435] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4432] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4429] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] newfstatat(AT_FDCWD, "./4701/cgroup", [pid 4436] <... futex resumed>) = 0 [pid 4435] <... bpf resumed>) = 3 [pid 4429] <... futex resumed>) = 1 [pid 4436] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4429] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4435] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4436] <... bpf resumed>) = 4 [pid 301] unlink("./4701/cgroup" [pid 4436] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4435] <... futex resumed>) = 1 [pid 4432] <... futex resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 4432] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4435] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4436] <... futex resumed>) = 1 [pid 4432] <... futex resumed>) = 0 [pid 4429] <... futex resumed>) = 0 [pid 301] umount2("./4701/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4432] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4435] <... bpf resumed>) = 0 [pid 4435] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4429] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4436] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4435] <... futex resumed>) = 0 [pid 4432] <... mmap resumed>) = 0x7fba2fe76000 [pid 4429] <... futex resumed>) = 1 [pid 4434] <... futex resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4701/cgroup.net", [pid 4435] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4434] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4432] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4429] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4432] <... mprotect resumed>) = 0 [pid 301] unlink("./4701/cgroup.net" [pid 4432] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 301] <... unlink resumed>) = 0 [pid 4432] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 301] getdents64(3, ./strace-static-x86_64: Process 4437 attached 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4432] <... clone3 resumed> => {parent_tid=[13879]}, 88) = 13879 [pid 4432] rt_sigprocmask(SIG_SETMASK, [], [pid 301] close(3 [pid 4432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] <... close resumed>) = 0 [pid 4432] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] rmdir("./4701" [pid 4432] <... futex resumed>) = 0 [pid 4437] set_robust_list(0x7fba2fe969a0, 24) = 0 [pid 4437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4437] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4431] <... bpf resumed>) = 5 [pid 4428] <... bpf resumed>) = 5 [pid 4437] <... bpf resumed>) = 4 [pid 4434] <... bpf resumed>) = 5 [pid 4432] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4431] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4428] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... rmdir resumed>) = 0 [pid 4437] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4434] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4431] <... futex resumed>) = 1 [pid 4428] <... futex resumed>) = 1 [pid 4427] <... futex resumed>) = 0 [pid 4426] <... futex resumed>) = 0 [pid 301] mkdir("./4702", 0777 [pid 4437] <... futex resumed>) = 1 [pid 4434] <... futex resumed>) = 1 [pid 4432] <... futex resumed>) = 0 [pid 4431] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4429] <... futex resumed>) = 0 [pid 4428] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4427] close(3 [pid 4426] close(3 [pid 4437] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4432] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4427] <... close resumed>) = 0 [pid 4426] <... close resumed>) = 0 [pid 4432] <... futex resumed>) = 1 [pid 4427] close(4 [pid 4426] close(4 [pid 4434] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4432] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4429] close(3 [pid 4435] <... futex resumed>) = 0 [pid 4427] <... close resumed>) = 0 [pid 4426] <... close resumed>) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 4435] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4429] <... close resumed>) = 0 [pid 4427] close(5 [pid 4426] close(5 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4429] close(4 [pid 4427] <... close resumed>) = 0 [pid 4427] close(6) = -1 EBADF (Bad file descriptor) [pid 4427] close(7) = -1 EBADF (Bad file descriptor) [pid 4427] close(8) = -1 EBADF (Bad file descriptor) [pid 4427] close(9) = -1 EBADF (Bad file descriptor) [pid 4427] close(10) = -1 EBADF (Bad file descriptor) [pid 4427] close(11) = -1 EBADF (Bad file descriptor) [pid 4427] close(12./strace-static-x86_64: Process 4438 attached ) = -1 EBADF (Bad file descriptor) [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13785 [pid 4429] <... close resumed>) = 0 [pid 4427] close(13 [pid 4438] set_robust_list(0x5555557fd6a0, 24 [pid 4429] close(5 [pid 4427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... set_robust_list resumed>) = 0 [pid 4427] close(14) = -1 EBADF (Bad file descriptor) [pid 4427] close(15 [pid 4438] chdir("./4702" [pid 4427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... chdir resumed>) = 0 [pid 4427] close(16 [pid 4438] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4427] close(17) = -1 EBADF (Bad file descriptor) [pid 4438] <... prctl resumed>) = 0 [pid 4427] close(18 [pid 4438] setpgid(0, 0 [pid 4427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... setpgid resumed>) = 0 [pid 4427] close(19) = -1 EBADF (Bad file descriptor) [pid 4427] close(20) = -1 EBADF (Bad file descriptor) [pid 4438] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4427] close(21) = -1 EBADF (Bad file descriptor) [pid 4427] close(22) = -1 EBADF (Bad file descriptor) [pid 4427] close(23) = -1 EBADF (Bad file descriptor) [pid 4427] close(24) = -1 EBADF (Bad file descriptor) [pid 4427] close(25) = -1 EBADF (Bad file descriptor) [pid 4438] <... symlink resumed>) = 0 [pid 4427] close(26 [pid 4438] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4427] close(27) = -1 EBADF (Bad file descriptor) [pid 4427] close(28 [pid 4438] <... symlink resumed>) = 0 [pid 4427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4427] close(29) = -1 EBADF (Bad file descriptor) [pid 4427] exit_group(0 [pid 4438] <... symlink resumed>) = 0 [pid 4433] <... futex resumed>) = ? [pid 4431] <... futex resumed>) = ? [pid 4427] <... exit_group resumed>) = ? [pid 4438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4433] +++ exited with 0 +++ [pid 4431] +++ exited with 0 +++ [pid 4427] +++ exited with 0 +++ [pid 4438] <... openat resumed>) = 3 [pid 4438] write(3, "1000", 4 [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13939, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4438] <... write resumed>) = 4 [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 4438] close(3) = 0 [pid 4438] symlink("/dev/binderfs", "./binderfs") = 0 [pid 303] <... restart_syscall resumed>) = 0 [pid 4438] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4438] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 303] umount2("./4754", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4438] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] openat(AT_FDCWD, "./4754", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 303] <... openat resumed>) = 3 [pid 4438] <... mmap resumed>) = 0x7fba2fe97000 [pid 303] newfstatat(3, "", [pid 4438] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4438] <... mprotect resumed>) = 0 [pid 303] getdents64(3, [pid 4438] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4438] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 303] umount2("./4754/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4439 attached ) = -1 EINVAL (Invalid argument) [pid 4439] set_robust_list(0x7fba2feb79a0, 24 [pid 4438] <... clone3 resumed> => {parent_tid=[13786]}, 88) = 13786 [pid 303] newfstatat(AT_FDCWD, "./4754/cgroup.cpu", [pid 4439] <... set_robust_list resumed>) = 0 [pid 4438] rt_sigprocmask(SIG_SETMASK, [], [pid 4439] rt_sigprocmask(SIG_SETMASK, [], [pid 4438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4439] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4438] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] unlink("./4754/cgroup.cpu" [pid 4439] <... futex resumed>) = 0 [pid 4438] <... futex resumed>) = 1 [pid 4439] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=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 4438] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... unlink resumed>) = 0 [pid 4439] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 303] umount2("./4754/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4439] <... futex resumed>) = 0 [pid 4439] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 4438] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4439] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4439] <... bpf resumed>) = 0 [pid 4438] <... futex resumed>) = 0 [pid 4439] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4438] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] newfstatat(AT_FDCWD, "./4754/binderfs", [pid 4439] <... futex resumed>) = 0 [pid 4438] <... futex resumed>) = 0 [pid 4439] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4439] <... bpf resumed>) = 4 [pid 4438] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] unlink("./4754/binderfs" [pid 4439] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4439] <... futex resumed>) = 0 [pid 4439] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 303] <... unlink resumed>) = 0 [pid 4438] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] umount2("./4754/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4439] <... futex resumed>) = 0 [pid 4438] <... futex resumed>) = 1 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4439] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4438] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 303] newfstatat(AT_FDCWD, "./4754/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4754/cgroup") = 0 [pid 303] umount2("./4754/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4754/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4754/cgroup.net") = 0 [pid 303] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] close(3) = 0 [pid 303] rmdir("./4754") = 0 [pid 303] mkdir("./4755", 0777) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4440 attached [pid 4440] set_robust_list(0x5555557fd6a0, 24 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13942 [pid 4440] <... set_robust_list resumed>) = 0 [pid 4440] chdir("./4755") = 0 [pid 4440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4440] setpgid(0, 0) = 0 [pid 4440] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4440] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4440] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4440] write(3, "1000", 4) = 4 [pid 4440] close(3) = 0 [pid 4440] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4440] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4440] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4440] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4441 attached [pid 4441] set_robust_list(0x7fba2feb79a0, 24 [pid 4440] <... clone3 resumed> => {parent_tid=[13943]}, 88) = 13943 [pid 4441] <... set_robust_list resumed>) = 0 [pid 4441] rt_sigprocmask(SIG_SETMASK, [], [pid 4440] rt_sigprocmask(SIG_SETMASK, [], [pid 4441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4441] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4440] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4441] <... futex resumed>) = 0 [pid 4440] <... futex resumed>) = 1 [pid 4441] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=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 4440] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4441] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4441] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4440] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4440] <... futex resumed>) = 0 [pid 4441] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32) = 0 [pid 4440] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4441] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4440] <... futex resumed>) = 0 [pid 4441] <... futex resumed>) = 0 [pid 4440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4441] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4440] <... mmap resumed>) = 0x7fba2fe76000 [pid 4440] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4440] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4442 attached [pid 4442] set_robust_list(0x7fba2fe969a0, 24 [pid 4440] <... clone3 resumed> => {parent_tid=[13944]}, 88) = 13944 [pid 4442] <... set_robust_list resumed>) = 0 [pid 4440] rt_sigprocmask(SIG_SETMASK, [], [pid 4442] rt_sigprocmask(SIG_SETMASK, [], [pid 4440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4435] <... bpf resumed>) = 5 [pid 4426] <... close resumed>) = 0 [pid 4442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4440] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4435] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4426] close(6 [pid 4442] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4440] <... futex resumed>) = 0 [pid 4435] <... futex resumed>) = 1 [pid 4432] <... futex resumed>) = 0 [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4435] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4432] close(3 [pid 4426] close(7 [pid 4440] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4432] <... close resumed>) = 0 [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(4 [pid 4426] close(8 [pid 4432] <... close resumed>) = 0 [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] close(5 [pid 4426] close(9 [pid 4442] <... bpf resumed>) = 4 [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4442] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4426] close(10 [pid 4442] <... futex resumed>) = 1 [pid 4440] <... futex resumed>) = 0 [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4442] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4440] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4426] close(11 [pid 4441] <... futex resumed>) = 0 [pid 4440] <... futex resumed>) = 1 [pid 4426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4441] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4440] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4426] close(12) = -1 EBADF (Bad file descriptor) [pid 4426] close(13) = -1 EBADF (Bad file descriptor) [pid 4426] close(14) = -1 EBADF (Bad file descriptor) [pid 4426] close(15) = -1 EBADF (Bad file descriptor) [pid 4426] close(16) = -1 EBADF (Bad file descriptor) [pid 4426] close(17) = -1 EBADF (Bad file descriptor) [pid 4426] close(18) = -1 EBADF (Bad file descriptor) [pid 4426] close(19) = -1 EBADF (Bad file descriptor) [pid 4426] close(20) = -1 EBADF (Bad file descriptor) [pid 4426] close(21) = -1 EBADF (Bad file descriptor) [pid 4426] close(22) = -1 EBADF (Bad file descriptor) [pid 4426] close(23) = -1 EBADF (Bad file descriptor) [pid 4426] close(24) = -1 EBADF (Bad file descriptor) [pid 4426] close(25) = -1 EBADF (Bad file descriptor) [pid 4426] close(26) = -1 EBADF (Bad file descriptor) [pid 4426] close(27) = -1 EBADF (Bad file descriptor) [pid 4426] close(28) = -1 EBADF (Bad file descriptor) [pid 4426] close(29) = -1 EBADF (Bad file descriptor) [pid 4426] exit_group(0 [pid 4430] <... futex resumed>) = ? [pid 4428] <... futex resumed>) = ? [pid 4426] <... exit_group resumed>) = ? [pid 4430] +++ exited with 0 +++ [pid 4428] +++ exited with 0 +++ [pid 4426] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 299] umount2("./4610", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./4610", 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, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] umount2("./4610/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4610/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4610/cgroup.cpu") = 0 [pid 299] umount2("./4610/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4610/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4610/binderfs") = 0 [pid 299] umount2("./4610/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4610/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4610/cgroup") = 0 [pid 299] umount2("./4610/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4610/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4610/cgroup.net") = 0 [pid 299] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./4610") = 0 [pid 299] mkdir("./4611", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4443 attached [pid 4443] set_robust_list(0x5555557fd6a0, 24 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13505 [pid 4443] <... set_robust_list resumed>) = 0 [pid 4443] chdir("./4611") = 0 [pid 4443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4443] setpgid(0, 0) = 0 [pid 4443] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4443] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4443] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4443] write(3, "1000", 4) = 4 [pid 4443] close(3) = 0 [pid 4443] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4443] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4443] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4443] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4443] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4444 attached [pid 4444] set_robust_list(0x7fba2feb79a0, 24 [pid 4443] <... clone3 resumed> => {parent_tid=[13506]}, 88) = 13506 [pid 4444] <... set_robust_list resumed>) = 0 [pid 4443] rt_sigprocmask(SIG_SETMASK, [], [pid 4444] rt_sigprocmask(SIG_SETMASK, [], [pid 4443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4443] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4444] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4443] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4444] <... bpf resumed>) = 3 [pid 4444] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4443] <... futex resumed>) = 0 [pid 4444] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4443] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4443] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe76000 [pid 4444] <... bpf resumed>) = 0 [pid 4443] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4444] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4443] <... mprotect resumed>) = 0 [pid 4444] <... futex resumed>) = 0 [pid 4443] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4444] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4443] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4443] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4445 attached => {parent_tid=[13507]}, 88) = 13507 [pid 4445] set_robust_list(0x7fba2fe969a0, 24) = 0 [pid 4445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4445] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4443] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4443] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4445] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4443] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4445] <... bpf resumed>) = 4 [pid 4445] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4443] <... futex resumed>) = 0 [pid 4445] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4443] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4444] <... futex resumed>) = 0 [pid 4443] <... futex resumed>) = 1 [pid 4444] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4443] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4429] <... close resumed>) = 0 [pid 4439] <... bpf resumed>) = 5 [pid 4429] close(6 [pid 4439] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4438] <... futex resumed>) = 0 [pid 4429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4439] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4438] close(3 [pid 4429] close(7 [pid 4438] <... close resumed>) = 0 [pid 4429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(4 [pid 4429] close(8 [pid 4438] <... close resumed>) = 0 [pid 4429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(5 [pid 4429] close(9) = -1 EBADF (Bad file descriptor) [pid 4429] close(10) = -1 EBADF (Bad file descriptor) [pid 4429] close(11) = -1 EBADF (Bad file descriptor) [pid 4429] close(12) = -1 EBADF (Bad file descriptor) [pid 4429] close(13) = -1 EBADF (Bad file descriptor) [pid 4429] close(14) = -1 EBADF (Bad file descriptor) [pid 4429] close(15) = -1 EBADF (Bad file descriptor) [pid 4429] close(16) = -1 EBADF (Bad file descriptor) [pid 4429] close(17) = -1 EBADF (Bad file descriptor) [pid 4429] close(18) = -1 EBADF (Bad file descriptor) [pid 4429] close(19) = -1 EBADF (Bad file descriptor) [pid 4429] close(20) = -1 EBADF (Bad file descriptor) [pid 4429] close(21) = -1 EBADF (Bad file descriptor) [pid 4429] close(22) = -1 EBADF (Bad file descriptor) [pid 4429] close(23) = -1 EBADF (Bad file descriptor) [pid 4429] close(24) = -1 EBADF (Bad file descriptor) [pid 4429] close(25) = -1 EBADF (Bad file descriptor) [pid 4429] close(26) = -1 EBADF (Bad file descriptor) [pid 4429] close(27) = -1 EBADF (Bad file descriptor) [pid 4429] close(28) = -1 EBADF (Bad file descriptor) [pid 4429] close(29) = -1 EBADF (Bad file descriptor) [pid 4429] exit_group(0 [pid 4436] <... futex resumed>) = ? [pid 4434] <... futex resumed>) = ? [pid 4429] <... exit_group resumed>) = ? [pid 4436] +++ exited with 0 +++ [pid 4434] +++ exited with 0 +++ [pid 4429] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13653, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 300] umount2("./4647", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] openat(AT_FDCWD, "./4647", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 300] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] umount2("./4647/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4647/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4647/cgroup.cpu") = 0 [pid 300] umount2("./4647/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4647/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4647/binderfs") = 0 [pid 300] umount2("./4647/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4647/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4647/cgroup") = 0 [pid 300] umount2("./4647/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4647/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4647/cgroup.net") = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] close(3) = 0 [pid 300] rmdir("./4647") = 0 [pid 300] mkdir("./4648", 0777) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4446 attached [pid 4446] set_robust_list(0x5555557fd6a0, 24 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13656 [pid 4446] <... set_robust_list resumed>) = 0 [pid 4446] chdir("./4648") = 0 [pid 4446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4446] setpgid(0, 0) = 0 [pid 4446] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4446] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4446] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4446] write(3, "1000", 4) = 4 [pid 4446] close(3) = 0 [pid 4446] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4446] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4446] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4446] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4446] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4447 attached [pid 4447] set_robust_list(0x7fba2feb79a0, 24 [pid 4446] <... clone3 resumed> => {parent_tid=[13657]}, 88) = 13657 [pid 4447] <... set_robust_list resumed>) = 0 [pid 4446] rt_sigprocmask(SIG_SETMASK, [], [pid 4447] rt_sigprocmask(SIG_SETMASK, [], [pid 4446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4446] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4447] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4446] <... futex resumed>) = 0 [pid 4446] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4447] <... bpf resumed>) = 3 [pid 4447] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4446] <... futex resumed>) = 0 [pid 4447] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4446] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4446] <... futex resumed>) = 0 [pid 4447] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4446] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe76000 [pid 4447] <... bpf resumed>) = 0 [pid 4447] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4446] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4447] <... futex resumed>) = 0 [pid 4446] <... mprotect resumed>) = 0 [pid 4447] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4446] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4448 attached [pid 4448] set_robust_list(0x7fba2fe969a0, 24 [pid 4446] <... clone3 resumed> => {parent_tid=[13658]}, 88) = 13658 [pid 4448] <... set_robust_list resumed>) = 0 [pid 4448] rt_sigprocmask(SIG_SETMASK, [], [pid 4446] rt_sigprocmask(SIG_SETMASK, [], [pid 4448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4448] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4446] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4446] <... futex resumed>) = 0 [pid 4448] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4446] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4448] <... bpf resumed>) = 4 [pid 4448] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4448] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4446] <... futex resumed>) = 0 [pid 4446] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4447] <... futex resumed>) = 0 [pid 4446] <... futex resumed>) = 1 [pid 4444] <... bpf resumed>) = 5 [pid 4441] <... bpf resumed>) = 5 [pid 4438] <... close resumed>) = 0 [pid 4432] <... close resumed>) = 0 [pid 4447] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4446] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4444] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4441] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4438] close(6 [pid 4432] close(6 [pid 4447] <... bpf resumed>) = 5 [pid 4444] <... futex resumed>) = 1 [pid 4443] <... futex resumed>) = 0 [pid 4441] <... futex resumed>) = 1 [pid 4440] <... futex resumed>) = 0 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4447] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4444] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4443] close(3 [pid 4441] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4440] close(3 [pid 4438] close(7 [pid 4432] close(7 [pid 4447] <... futex resumed>) = 1 [pid 4446] <... futex resumed>) = 0 [pid 4443] <... close resumed>) = 0 [pid 4440] <... close resumed>) = 0 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4447] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4446] close(3 [pid 4443] close(4 [pid 4440] close(4 [pid 4438] close(8 [pid 4432] close(8 [pid 4446] <... close resumed>) = 0 [pid 4443] <... close resumed>) = 0 [pid 4440] <... close resumed>) = 0 [pid 4446] close(4 [pid 4440] close(5 [pid 4446] <... close resumed>) = 0 [pid 4440] <... close resumed>) = 0 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4446] close(5 [pid 4443] close(5 [pid 4440] close(6 [pid 4438] close(9 [pid 4432] close(9 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(7 [pid 4438] close(10 [pid 4432] close(10 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(8 [pid 4438] close(11 [pid 4432] close(11 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(9 [pid 4438] close(12 [pid 4432] close(12 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(10 [pid 4438] close(13 [pid 4432] close(13 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(11 [pid 4438] close(14 [pid 4432] close(14 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(12 [pid 4438] close(15 [pid 4432] close(15 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(13 [pid 4438] close(16 [pid 4432] close(16 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(14 [pid 4438] close(17 [pid 4432] close(17 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(15 [pid 4438] close(18 [pid 4432] close(18 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(16 [pid 4438] close(19 [pid 4432] close(19 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(17 [pid 4438] close(20 [pid 4432] close(20 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(18 [pid 4438] close(21 [pid 4432] close(21 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(19 [pid 4438] close(22 [pid 4432] close(22 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(20 [pid 4438] close(23 [pid 4432] close(23 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(21 [pid 4438] close(24 [pid 4432] close(24 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(22 [pid 4438] close(25 [pid 4432] close(25 [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] close(23) = -1 EBADF (Bad file descriptor) [pid 4438] close(26 [pid 4432] close(26 [pid 4440] close(24 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(27 [pid 4432] close(27 [pid 4440] close(25) = -1 EBADF (Bad file descriptor) [pid 4440] close(26) = -1 EBADF (Bad file descriptor) [pid 4440] close(27) = -1 EBADF (Bad file descriptor) [pid 4440] close(28 [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(28 [pid 4432] close(28 [pid 4440] close(29 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4438] close(29 [pid 4432] close(29 [pid 4440] exit_group(0 [pid 4438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4432] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4442] <... futex resumed>) = ? [pid 4441] <... futex resumed>) = ? [pid 4440] <... exit_group resumed>) = ? [pid 4442] +++ exited with 0 +++ [pid 4441] +++ exited with 0 +++ [pid 4440] +++ exited with 0 +++ [pid 4438] exit_group(0 [pid 4432] exit_group(0 [pid 4439] <... futex resumed>) = ? [pid 4438] <... exit_group resumed>) = ? [pid 4437] <... futex resumed>) = ? [pid 4435] <... futex resumed>) = ? [pid 4432] <... exit_group resumed>) = ? [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4439] +++ exited with 0 +++ [pid 303] umount2("./4755", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] openat(AT_FDCWD, "./4755", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4438] +++ exited with 0 +++ [pid 303] newfstatat(3, "", [pid 4437] +++ exited with 0 +++ [pid 4435] +++ exited with 0 +++ [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] umount2("./4755/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4755/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4755/cgroup.cpu" [pid 4432] +++ exited with 0 +++ [pid 303] <... unlink resumed>) = 0 [pid 303] umount2("./4755/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4755/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 303] unlink("./4755/binderfs" [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 303] <... unlink resumed>) = 0 [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13877, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 301] <... restart_syscall resumed>) = 0 [pid 303] umount2("./4755/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4723", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4755/cgroup", [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4755/cgroup" [pid 302] openat(AT_FDCWD, "./4723", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] umount2("./4702", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... unlink resumed>) = 0 [pid 303] umount2("./4755/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4755/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4755/cgroup.net") = 0 [pid 302] <... openat resumed>) = 3 [pid 303] getdents64(3, [pid 302] newfstatat(3, "", [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] close(3 [pid 301] openat(AT_FDCWD, "./4702", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] getdents64(3, [pid 303] <... close resumed>) = 0 [pid 301] <... openat resumed>) = 3 [pid 303] rmdir("./4755") = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] newfstatat(3, "", [pid 303] mkdir("./4756", 0777 [pid 302] umount2("./4723/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... mkdir resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] newfstatat(AT_FDCWD, "./4723/cgroup.cpu", [pid 301] getdents64(3, ./strace-static-x86_64: Process 4450 attached [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13945 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4450] set_robust_list(0x5555557fd6a0, 24 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4450] <... set_robust_list resumed>) = 0 [pid 302] unlink("./4723/cgroup.cpu" [pid 301] umount2("./4702/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4450] chdir("./4756" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... unlink resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4702/cgroup.cpu", [pid 4450] <... chdir resumed>) = 0 [pid 302] umount2("./4723/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] unlink("./4702/cgroup.cpu" [pid 4450] <... prctl resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4723/binderfs", [pid 301] <... unlink resumed>) = 0 [pid 4450] setpgid(0, 0 [pid 301] umount2("./4702/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4450] <... setpgid resumed>) = 0 [pid 302] unlink("./4723/binderfs" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4450] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 301] newfstatat(AT_FDCWD, "./4702/binderfs", [pid 302] <... unlink resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4450] <... symlink resumed>) = 0 [pid 301] unlink("./4702/binderfs" [pid 4450] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 302] umount2("./4723/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... unlink resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4450] <... symlink resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4723/cgroup", [pid 4450] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 301] umount2("./4702/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4450] <... symlink resumed>) = 0 [pid 302] unlink("./4723/cgroup" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 302] <... unlink resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4702/cgroup", [pid 4450] <... openat resumed>) = 3 [pid 4450] write(3, "1000", 4 [pid 302] umount2("./4723/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4450] <... write resumed>) = 4 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] unlink("./4702/cgroup" [pid 4450] close(3 [pid 302] newfstatat(AT_FDCWD, "./4723/cgroup.net", [pid 301] <... unlink resumed>) = 0 [pid 4450] <... close resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] umount2("./4702/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4450] symlink("/dev/binderfs", "./binderfs" [pid 302] unlink("./4723/cgroup.net" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4450] <... symlink resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4702/cgroup.net", [pid 4450] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] getdents64(3, [pid 4450] <... futex resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4450] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] unlink("./4702/cgroup.net" [pid 4450] <... rt_sigaction resumed>NULL, 8) = 0 [pid 302] close(3 [pid 4450] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 302] <... close resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 4450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] rmdir("./4723" [pid 301] getdents64(3, [pid 4450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] <... rmdir resumed>) = 0 [pid 4450] <... mmap resumed>) = 0x7fba2fe97000 [pid 4446] <... close resumed>) = 0 [pid 4443] <... close resumed>) = 0 [pid 302] mkdir("./4724", 0777 [pid 301] close(3 [pid 4450] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4446] close(6 [pid 4443] close(6 [pid 301] <... close resumed>) = 0 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] rmdir("./4702" [pid 4450] <... mprotect resumed>) = 0 [pid 4446] close(7 [pid 4443] close(7 [pid 302] <... mkdir resumed>) = 0 [pid 301] <... rmdir resumed>) = 0 [pid 4450] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 301] mkdir("./4703", 0777./strace-static-x86_64: Process 4451 attached [pid 4450] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4446] close(8 [pid 4443] close(8 [pid 301] <... mkdir resumed>) = 0 [pid 4451] set_robust_list(0x5555557fd6a0, 24 [pid 4450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13880 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4453 attached ./strace-static-x86_64: Process 4452 attached [pid 4451] <... set_robust_list resumed>) = 0 [pid 4446] close(9 [pid 4443] close(9 [pid 4453] set_robust_list(0x5555557fd6a0, 24 [pid 4452] set_robust_list(0x7fba2feb79a0, 24 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13787 [pid 4451] chdir("./4724" [pid 4453] <... set_robust_list resumed>) = 0 [pid 4452] <... set_robust_list resumed>) = 0 [pid 4450] <... clone3 resumed> => {parent_tid=[13946]}, 88) = 13946 [pid 4451] <... chdir resumed>) = 0 [pid 4446] close(10 [pid 4443] close(10 [pid 4453] chdir("./4703" [pid 4452] rt_sigprocmask(SIG_SETMASK, [], [pid 4451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4450] rt_sigprocmask(SIG_SETMASK, [], [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... chdir resumed>) = 0 [pid 4452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4451] <... prctl resumed>) = 0 [pid 4450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4446] close(11 [pid 4443] close(11 [pid 4453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4452] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4451] setpgid(0, 0 [pid 4450] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... prctl resumed>) = 0 [pid 4452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4451] <... setpgid resumed>) = 0 [pid 4450] <... futex resumed>) = 0 [pid 4446] close(12 [pid 4443] close(12 [pid 4453] setpgid(0, 0 [pid 4452] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4451] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4450] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... setpgid resumed>) = 0 [pid 4452] <... bpf resumed>) = 3 [pid 4446] close(13 [pid 4443] close(13 [pid 4452] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4451] <... symlink resumed>) = 0 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4452] <... futex resumed>) = 1 [pid 4451] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4450] <... futex resumed>) = 0 [pid 4446] close(14 [pid 4443] close(14 [pid 4453] <... symlink resumed>) = 0 [pid 4452] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4450] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4451] <... symlink resumed>) = 0 [pid 4450] <... futex resumed>) = 0 [pid 4446] close(15 [pid 4443] close(15 [pid 4453] <... symlink resumed>) = 0 [pid 4452] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4451] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4450] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4452] <... bpf resumed>) = 0 [pid 4446] close(16 [pid 4443] close(16 [pid 4452] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4451] <... symlink resumed>) = 0 [pid 4453] <... symlink resumed>) = 0 [pid 4450] <... futex resumed>) = 0 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4452] <... futex resumed>) = 0 [pid 4451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4446] close(17 [pid 4443] close(17 [pid 4453] <... openat resumed>) = 3 [pid 4452] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4451] <... openat resumed>) = 3 [pid 4450] <... mmap resumed>) = 0x7fba2fe76000 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] write(3, "1000", 4 [pid 4451] write(3, "1000", 4 [pid 4450] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4446] close(18 [pid 4443] close(18 [pid 4453] <... write resumed>) = 4 [pid 4451] <... write resumed>) = 4 [pid 4450] <... mprotect resumed>) = 0 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] close(3 [pid 4451] close(3 [pid 4450] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4446] close(19 [pid 4443] close(19 [pid 4453] <... close resumed>) = 0 [pid 4451] <... close resumed>) = 0 [pid 4450] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] symlink("/dev/binderfs", "./binderfs" [pid 4451] symlink("/dev/binderfs", "./binderfs" [pid 4450] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4446] close(20 [pid 4443] close(20 [pid 4453] <... symlink resumed>) = 0 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] <... symlink resumed>) = 0 [pid 4446] close(21 [pid 4443] close(21./strace-static-x86_64: Process 4454 attached [pid 4451] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4454] set_robust_list(0x7fba2fe969a0, 24 [pid 4453] <... futex resumed>) = 0 [pid 4451] <... futex resumed>) = 0 [pid 4450] <... clone3 resumed> => {parent_tid=[13947]}, 88) = 13947 [pid 4446] close(22 [pid 4443] close(22 [pid 4454] <... set_robust_list resumed>) = 0 [pid 4453] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4451] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4450] rt_sigprocmask(SIG_SETMASK, [], [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4454] rt_sigprocmask(SIG_SETMASK, [], [pid 4453] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4451] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4446] close(23 [pid 4443] close(23 [pid 4454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4453] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4450] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4454] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4450] <... futex resumed>) = 0 [pid 4446] close(24 [pid 4443] close(24 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4446] close(25 [pid 4443] close(25 [pid 4454] <... bpf resumed>) = 4 [pid 4453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4450] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4454] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4453] <... mmap resumed>) = 0x7fba2fe97000 [pid 4451] <... mmap resumed>) = 0x7fba2fe97000 [pid 4450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4446] close(26 [pid 4443] close(26 [pid 4454] <... futex resumed>) = 0 [pid 4453] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4451] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4450] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4454] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4453] <... mprotect resumed>) = 0 [pid 4452] <... futex resumed>) = 0 [pid 4451] <... mprotect resumed>) = 0 [pid 4450] <... futex resumed>) = 1 [pid 4446] close(27 [pid 4443] close(27 [pid 4453] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4452] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4451] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4450] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4446] close(28 [pid 4443] close(28 [pid 4453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4451] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4455 attached [pid 4451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4446] close(29 [pid 4443] close(29./strace-static-x86_64: Process 4456 attached [pid 4455] set_robust_list(0x7fba2feb79a0, 24 [pid 4453] <... clone3 resumed> => {parent_tid=[13788]}, 88) = 13788 [pid 4446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4456] set_robust_list(0x7fba2feb79a0, 24 [pid 4455] <... set_robust_list resumed>) = 0 [pid 4453] rt_sigprocmask(SIG_SETMASK, [], [pid 4451] <... clone3 resumed> => {parent_tid=[13881]}, 88) = 13881 [pid 4446] exit_group(0 [pid 4443] exit_group(0 [pid 4456] <... set_robust_list resumed>) = 0 [pid 4455] rt_sigprocmask(SIG_SETMASK, [], [pid 4453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4451] rt_sigprocmask(SIG_SETMASK, [], [pid 4448] <... futex resumed>) = ? [pid 4447] <... futex resumed>) = ? [pid 4446] <... exit_group resumed>) = ? [pid 4445] <... futex resumed>) = ? [pid 4444] <... futex resumed>) = ? [pid 4443] <... exit_group resumed>) = ? [pid 4456] rt_sigprocmask(SIG_SETMASK, [], [pid 4455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4453] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4448] +++ exited with 0 +++ [pid 4447] +++ exited with 0 +++ [pid 4446] +++ exited with 0 +++ [pid 4445] +++ exited with 0 +++ [pid 4444] +++ exited with 0 +++ [pid 4443] +++ exited with 0 +++ [pid 4456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4455] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4453] <... futex resumed>) = 0 [pid 4451] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4456] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4455] <... bpf resumed>) = 3 [pid 4453] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4451] <... futex resumed>) = 0 [pid 4456] <... bpf resumed>) = 3 [pid 4455] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4451] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13656, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4456] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4455] <... futex resumed>) = 0 [pid 4453] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 299] umount2("./4611", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4456] <... futex resumed>) = 0 [pid 4455] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4453] <... futex resumed>) = 0 [pid 4451] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... restart_syscall resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4456] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 299] openat(AT_FDCWD, "./4611", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4456] <... bpf resumed>) = 0 [pid 4455] <... bpf resumed>) = 0 [pid 4453] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4451] <... futex resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 4456] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4455] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4453] <... futex resumed>) = 0 [pid 4451] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] newfstatat(3, "", [pid 4456] <... futex resumed>) = 0 [pid 4455] <... futex resumed>) = 0 [pid 4453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4451] <... futex resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4456] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4455] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4453] <... mmap resumed>) = 0x7fba2fe76000 [pid 4451] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] umount2("./4648", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] umount2("./4611/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4456] <... bpf resumed>) = 4 [pid 4453] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4452] <... bpf resumed>) = 5 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4456] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4453] <... mprotect resumed>) = 0 [pid 4452] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] openat(AT_FDCWD, "./4648", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] newfstatat(AT_FDCWD, "./4611/cgroup.cpu", [pid 4456] <... futex resumed>) = 1 [pid 4453] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4452] <... futex resumed>) = 1 [pid 4451] <... futex resumed>) = 0 [pid 4450] <... futex resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4456] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4453] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4452] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4451] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4450] close(3 [pid 300] newfstatat(3, "", [pid 299] unlink("./4611/cgroup.cpu" [pid 4456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4451] <... futex resumed>) = 0 [pid 4450] <... close resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4457 attached [pid 4456] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4451] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4450] close(4 [pid 300] getdents64(3, [pid 299] umount2("./4611/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4457] set_robust_list(0x7fba2fe969a0, 24 [pid 4456] <... bpf resumed>) = 5 [pid 4453] <... clone3 resumed> => {parent_tid=[13789]}, 88) = 13789 [pid 4450] <... close resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4457] <... set_robust_list resumed>) = 0 [pid 4456] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4453] rt_sigprocmask(SIG_SETMASK, [], [pid 4450] close(5 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] newfstatat(AT_FDCWD, "./4611/binderfs", [pid 4457] rt_sigprocmask(SIG_SETMASK, [], [pid 4456] <... futex resumed>) = 1 [pid 4453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4451] <... futex resumed>) = 0 [pid 300] umount2("./4648/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4456] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4453] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4451] close(3 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4611/binderfs" [pid 4457] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4453] <... futex resumed>) = 0 [pid 4451] <... close resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4648/cgroup.cpu", [pid 299] <... unlink resumed>) = 0 [pid 4457] <... bpf resumed>) = 4 [pid 4453] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4451] close(4 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] umount2("./4611/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4457] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4451] <... close resumed>) = 0 [pid 300] unlink("./4648/cgroup.cpu" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4457] <... futex resumed>) = 0 [pid 4453] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4451] close(5 [pid 299] newfstatat(AT_FDCWD, "./4611/cgroup", [pid 4457] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4455] <... futex resumed>) = 0 [pid 4453] <... futex resumed>) = 1 [pid 300] <... unlink resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4455] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4453] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] umount2("./4648/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] unlink("./4611/cgroup" [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... unlink resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4648/binderfs", [pid 299] umount2("./4611/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] unlink("./4648/binderfs" [pid 299] newfstatat(AT_FDCWD, "./4611/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4611/cgroup.net" [pid 300] <... unlink resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 300] umount2("./4648/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] getdents64(3, [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] newfstatat(AT_FDCWD, "./4648/cgroup", [pid 299] close(3 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... close resumed>) = 0 [pid 300] unlink("./4648/cgroup" [pid 299] rmdir("./4611" [pid 300] <... unlink resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 300] umount2("./4648/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] mkdir("./4612", 0777 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4648/cgroup.net", [pid 299] <... mkdir resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4648/cgroup.net" [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4458 attached [pid 300] getdents64(3, [pid 4458] set_robust_list(0x5555557fd6a0, 24 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4458] <... set_robust_list resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13508 [pid 300] close(3 [pid 4458] chdir("./4612" [pid 300] <... close resumed>) = 0 [pid 4458] <... chdir resumed>) = 0 [pid 300] rmdir("./4648" [pid 4458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4458] setpgid(0, 0) = 0 [pid 300] <... rmdir resumed>) = 0 [pid 4458] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 300] mkdir("./4649", 0777 [pid 4458] <... symlink resumed>) = 0 [pid 4458] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4458] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 300] <... mkdir resumed>) = 0 [pid 4458] <... symlink resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4458] write(3, "1000", 4) = 4 [pid 4458] close(3) = 0 [pid 4458] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 4459 attached ) = 0 [pid 4459] set_robust_list(0x5555557fd6a0, 24 [pid 4458] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] <... set_robust_list resumed>) = 0 [pid 4458] <... futex resumed>) = 0 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13659 [pid 4459] chdir("./4649" [pid 4458] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4459] <... chdir resumed>) = 0 [pid 4458] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4458] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4459] <... prctl resumed>) = 0 [pid 4458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4459] setpgid(0, 0 [pid 4458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4459] <... setpgid resumed>) = 0 [pid 4459] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4458] <... mmap resumed>) = 0x7fba2fe97000 [pid 4459] <... symlink resumed>) = 0 [pid 4459] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4458] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4459] <... symlink resumed>) = 0 [pid 4459] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4458] <... mprotect resumed>) = 0 [pid 4459] <... symlink resumed>) = 0 [pid 4459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4458] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4459] write(3, "1000", 4 [pid 4458] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4459] <... write resumed>) = 4 [pid 4458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4459] close(3./strace-static-x86_64: Process 4460 attached ) = 0 [pid 4460] set_robust_list(0x7fba2feb79a0, 24 [pid 4459] symlink("/dev/binderfs", "./binderfs" [pid 4458] <... clone3 resumed> => {parent_tid=[13509]}, 88) = 13509 [pid 4460] <... set_robust_list resumed>) = 0 [pid 4460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4460] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4459] <... symlink resumed>) = 0 [pid 4458] rt_sigprocmask(SIG_SETMASK, [], [pid 4459] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4459] <... futex resumed>) = 0 [pid 4458] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4460] <... futex resumed>) = 0 [pid 4458] <... futex resumed>) = 1 [pid 4460] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4459] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4458] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4460] <... bpf resumed>) = 3 [pid 4459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4460] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4460] <... futex resumed>) = 1 [pid 4459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4458] <... futex resumed>) = 0 [pid 4460] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4459] <... mmap resumed>) = 0x7fba2fe97000 [pid 4458] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4459] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4458] <... futex resumed>) = 0 [pid 4460] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4459] <... mprotect resumed>) = 0 [pid 4458] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] <... bpf resumed>) = 0 [pid 4458] <... futex resumed>) = 0 [pid 4459] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4460] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4460] <... futex resumed>) = 0 [pid 4459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4460] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4458] <... mmap resumed>) = 0x7fba2fe76000 ./strace-static-x86_64: Process 4461 attached [pid 4458] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4461] set_robust_list(0x7fba2feb79a0, 24 [pid 4459] <... clone3 resumed> => {parent_tid=[13660]}, 88) = 13660 [pid 4461] <... set_robust_list resumed>) = 0 [pid 4459] rt_sigprocmask(SIG_SETMASK, [], [pid 4458] <... mprotect resumed>) = 0 [pid 4461] rt_sigprocmask(SIG_SETMASK, [], [pid 4459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4459] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4461] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4459] <... futex resumed>) = 0 [pid 4458] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4461] <... bpf resumed>) = 3 [pid 4459] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4461] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4458] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4461] <... futex resumed>) = 0 [pid 4459] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4461] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32./strace-static-x86_64: Process 4462 attached ) = 0 [pid 4459] <... futex resumed>) = 0 [pid 4462] set_robust_list(0x7fba2fe969a0, 24 [pid 4461] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] <... clone3 resumed> => {parent_tid=[13510]}, 88) = 13510 [pid 4462] <... set_robust_list resumed>) = 0 [pid 4461] <... futex resumed>) = 0 [pid 4459] <... futex resumed>) = 0 [pid 4458] rt_sigprocmask(SIG_SETMASK, [], [pid 4462] rt_sigprocmask(SIG_SETMASK, [], [pid 4461] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4459] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4461] <... bpf resumed>) = 4 [pid 4458] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4451] <... close resumed>) = 0 [pid 4450] <... close resumed>) = 0 [pid 4462] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4461] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] <... futex resumed>) = 0 [pid 4451] close(6 [pid 4450] close(6 [pid 4462] <... bpf resumed>) = 4 [pid 4461] <... futex resumed>) = 1 [pid 4459] <... futex resumed>) = 0 [pid 4458] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4462] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4461] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4459] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4451] close(7 [pid 4450] close(7 [pid 4462] <... futex resumed>) = 0 [pid 4461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4459] <... futex resumed>) = 0 [pid 4458] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4462] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4461] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4460] <... futex resumed>) = 0 [pid 4459] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4458] <... futex resumed>) = 1 [pid 4451] close(8 [pid 4450] close(8 [pid 4460] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4458] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] close(9 [pid 4450] close(9 [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] close(10 [pid 4450] close(10 [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] close(11 [pid 4450] close(11 [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] close(12 [pid 4450] close(12 [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] close(13 [pid 4450] close(13 [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] close(14 [pid 4450] close(14 [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] close(15 [pid 4450] close(15 [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] close(16 [pid 4450] close(16 [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] close(17 [pid 4450] close(17 [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] close(18 [pid 4450] close(18 [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] close(19 [pid 4450] close(19 [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] close(20) = -1 EBADF (Bad file descriptor) [pid 4450] close(20 [pid 4451] close(21 [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] close(21 [pid 4451] close(22 [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] close(22 [pid 4451] close(23 [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] close(23 [pid 4451] close(24 [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] close(24 [pid 4451] close(25 [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] close(25 [pid 4451] close(26 [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] close(26 [pid 4451] close(27 [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] close(27 [pid 4451] close(28 [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] close(29 [pid 4450] close(28 [pid 4451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] exit_group(0 [pid 4450] close(29 [pid 4456] <... futex resumed>) = -1 (errno 18446744073709551555) [pid 4456] +++ exited with 0 +++ [pid 4451] <... exit_group resumed>) = ? [pid 4450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4451] +++ exited with 0 +++ [pid 4450] exit_group(0) = ? [pid 4454] <... futex resumed>) = ? [pid 4454] +++ exited with 0 +++ [pid 4452] <... futex resumed>) = ? [pid 4452] +++ exited with 0 +++ [pid 4450] +++ exited with 0 +++ [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13945, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 302] umount2("./4724", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] openat(AT_FDCWD, "./4724", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 302] newfstatat(3, "", [pid 303] <... restart_syscall resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] getdents64(3, [pid 303] umount2("./4756", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] umount2("./4724/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] openat(AT_FDCWD, "./4756", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... openat resumed>) = 3 [pid 302] newfstatat(AT_FDCWD, "./4724/cgroup.cpu", [pid 303] newfstatat(3, "", [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] unlink("./4724/cgroup.cpu" [pid 303] getdents64(3, [pid 302] <... unlink resumed>) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] umount2("./4756/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4724/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4756/cgroup.cpu", [pid 302] newfstatat(AT_FDCWD, "./4724/binderfs", [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4756/cgroup.cpu" [pid 302] unlink("./4724/binderfs" [pid 303] <... unlink resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 303] umount2("./4756/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4724/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4756/binderfs", [pid 302] newfstatat(AT_FDCWD, "./4724/cgroup", [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4756/binderfs" [pid 302] unlink("./4724/cgroup" [pid 303] <... unlink resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 303] umount2("./4756/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4724/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4756/cgroup", [pid 302] newfstatat(AT_FDCWD, "./4724/cgroup.net", [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4756/cgroup" [pid 302] unlink("./4724/cgroup.net" [pid 303] <... unlink resumed>) = 0 [pid 303] umount2("./4756/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... unlink resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] getdents64(3, [pid 303] newfstatat(AT_FDCWD, "./4756/cgroup.net", [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] close(3 [pid 303] unlink("./4756/cgroup.net" [pid 302] <... close resumed>) = 0 [pid 303] <... unlink resumed>) = 0 [pid 302] rmdir("./4724" [pid 303] getdents64(3, [pid 302] <... rmdir resumed>) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] mkdir("./4725", 0777 [pid 303] close(3 [pid 302] <... mkdir resumed>) = 0 [pid 303] <... close resumed>) = 0 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 303] rmdir("./4756"./strace-static-x86_64: Process 4463 attached [pid 4463] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 303] <... rmdir resumed>) = 0 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13882 [pid 4463] chdir("./4725" [pid 303] mkdir("./4757", 0777 [pid 4463] <... chdir resumed>) = 0 [pid 4463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 303] <... mkdir resumed>) = 0 [pid 4463] setpgid(0, 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4463] <... setpgid resumed>) = 0 [pid 4463] symlink("/syzcgroup/unified/syz3", "./cgroup"./strace-static-x86_64: Process 4464 attached ) = 0 [pid 4464] set_robust_list(0x5555557fd6a0, 24 [pid 4463] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13948 [pid 4464] <... set_robust_list resumed>) = 0 [pid 4463] <... symlink resumed>) = 0 [pid 4463] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4464] chdir("./4757" [pid 4463] <... symlink resumed>) = 0 [pid 4464] <... chdir resumed>) = 0 [pid 4463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4463] <... openat resumed>) = 3 [pid 4464] <... prctl resumed>) = 0 [pid 4463] write(3, "1000", 4 [pid 4464] setpgid(0, 0 [pid 4463] <... write resumed>) = 4 [pid 4464] <... setpgid resumed>) = 0 [pid 4463] close(3) = 0 [pid 4463] symlink("/dev/binderfs", "./binderfs" [pid 4464] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4463] <... symlink resumed>) = 0 [pid 4463] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4463] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4464] <... symlink resumed>) = 0 [pid 4463] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4464] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4463] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4464] <... symlink resumed>) = 0 [pid 4463] <... mmap resumed>) = 0x7fba2fe97000 [pid 4464] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4463] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4464] <... symlink resumed>) = 0 [pid 4463] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4463] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4465 attached [pid 4464] <... openat resumed>) = 3 [pid 4465] set_robust_list(0x7fba2feb79a0, 24 [pid 4464] write(3, "1000", 4 [pid 4463] <... clone3 resumed> => {parent_tid=[13883]}, 88) = 13883 [pid 4465] <... set_robust_list resumed>) = 0 [pid 4464] <... write resumed>) = 4 [pid 4463] rt_sigprocmask(SIG_SETMASK, [], [pid 4465] rt_sigprocmask(SIG_SETMASK, [], [pid 4464] close(3 [pid 4463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4464] <... close resumed>) = 0 [pid 4463] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4465] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4464] symlink("/dev/binderfs", "./binderfs" [pid 4463] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4464] <... symlink resumed>) = 0 [pid 4461] <... bpf resumed>) = 5 [pid 4460] <... bpf resumed>) = 5 [pid 4455] <... bpf resumed>) = 5 [pid 4461] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4460] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4455] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4461] <... futex resumed>) = 1 [pid 4460] <... futex resumed>) = 1 [pid 4459] <... futex resumed>) = 0 [pid 4455] <... futex resumed>) = 1 [pid 4453] <... futex resumed>) = 0 [pid 4461] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4460] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4459] close(3 [pid 4455] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4453] close(3 [pid 4465] <... bpf resumed>) = 3 [pid 4464] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] <... close resumed>) = 0 [pid 4458] <... futex resumed>) = 0 [pid 4453] <... close resumed>) = 0 [pid 4465] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4464] <... futex resumed>) = 0 [pid 4459] close(4 [pid 4458] close(3 [pid 4453] close(4 [pid 4465] <... futex resumed>) = 1 [pid 4464] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4463] <... futex resumed>) = 0 [pid 4459] <... close resumed>) = 0 [pid 4458] <... close resumed>) = 0 [pid 4453] <... close resumed>) = 0 [pid 4465] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4464] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4463] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] close(5 [pid 4458] close(4 [pid 4453] close(5 [pid 4465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4463] <... futex resumed>) = 0 [pid 4459] <... close resumed>) = 0 [pid 4458] <... close resumed>) = 0 [pid 4465] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4463] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] close(6 [pid 4458] close(5 [pid 4463] <... futex resumed>) = 0 [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4465] <... bpf resumed>) = 0 [pid 4464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4459] close(7 [pid 4465] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4464] <... mmap resumed>) = 0x7fba2fe97000 [pid 4463] <... mmap resumed>) = 0x7fba2fe76000 [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4465] <... futex resumed>) = 0 [pid 4464] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4463] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4459] close(8 [pid 4465] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4464] <... mprotect resumed>) = 0 [pid 4463] <... mprotect resumed>) = 0 [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4463] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4459] close(9 [pid 4464] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4463] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4459] close(10./strace-static-x86_64: Process 4467 attached ./strace-static-x86_64: Process 4466 attached ) = -1 EBADF (Bad file descriptor) [pid 4467] set_robust_list(0x7fba2fe969a0, 24 [pid 4466] set_robust_list(0x7fba2feb79a0, 24 [pid 4464] <... clone3 resumed> => {parent_tid=[13949]}, 88) = 13949 [pid 4463] <... clone3 resumed> => {parent_tid=[13884]}, 88) = 13884 [pid 4459] close(11 [pid 4467] <... set_robust_list resumed>) = 0 [pid 4466] <... set_robust_list resumed>) = 0 [pid 4464] rt_sigprocmask(SIG_SETMASK, [], [pid 4463] rt_sigprocmask(SIG_SETMASK, [], [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4467] rt_sigprocmask(SIG_SETMASK, [], [pid 4466] rt_sigprocmask(SIG_SETMASK, [], [pid 4464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4459] close(12 [pid 4467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4464] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4463] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4467] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4466] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4464] <... futex resumed>) = 0 [pid 4463] <... futex resumed>) = 0 [pid 4459] close(13 [pid 4463] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4459] close(14) = -1 EBADF (Bad file descriptor) [pid 4459] close(15) = -1 EBADF (Bad file descriptor) [pid 4459] close(16 [pid 4467] <... bpf resumed>) = 4 [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4467] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4466] <... bpf resumed>) = 3 [pid 4459] close(17 [pid 4467] <... futex resumed>) = 1 [pid 4466] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4463] <... futex resumed>) = 0 [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4467] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4466] <... futex resumed>) = 1 [pid 4464] <... futex resumed>) = 0 [pid 4463] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] close(18 [pid 4466] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4465] <... futex resumed>) = 0 [pid 4464] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4463] <... futex resumed>) = 1 [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4465] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4464] <... futex resumed>) = 0 [pid 4463] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4459] close(19 [pid 4466] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4464] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] <... futex resumed>) = 0 [pid 4459] close(20 [pid 4464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4459] close(21 [pid 4466] <... bpf resumed>) = 0 [pid 4464] <... mmap resumed>) = 0x7fba2fe76000 [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4466] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4464] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4459] close(22 [pid 4466] <... futex resumed>) = 0 [pid 4464] <... mprotect resumed>) = 0 [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4466] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4459] close(23 [pid 4464] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4459] close(24 [pid 4464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4459] close(25) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4468 attached [pid 4459] close(26 [pid 4468] set_robust_list(0x7fba2fe969a0, 24 [pid 4464] <... clone3 resumed> => {parent_tid=[13950]}, 88) = 13950 [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4468] <... set_robust_list resumed>) = 0 [pid 4464] rt_sigprocmask(SIG_SETMASK, [], [pid 4459] close(27 [pid 4468] rt_sigprocmask(SIG_SETMASK, [], [pid 4464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4464] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] close(28 [pid 4468] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4464] <... futex resumed>) = 0 [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4468] <... bpf resumed>) = 4 [pid 4459] close(29 [pid 4468] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4459] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4468] <... futex resumed>) = 0 [pid 4459] exit_group(0 [pid 4468] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4464] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4461] <... futex resumed>) = ? [pid 4459] <... exit_group resumed>) = ? [pid 4464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4461] +++ exited with 0 +++ [pid 4459] +++ exited with 0 +++ [pid 4464] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4466] <... futex resumed>) = 0 [pid 4464] <... futex resumed>) = 1 [pid 4466] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4464] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] umount2("./4649", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] openat(AT_FDCWD, "./4649", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 300] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] umount2("./4649/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4649/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4649/cgroup.cpu") = 0 [pid 300] umount2("./4649/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4649/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4649/binderfs") = 0 [pid 300] umount2("./4649/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4649/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4649/cgroup") = 0 [pid 300] umount2("./4649/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4649/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4649/cgroup.net") = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] close(3) = 0 [pid 300] rmdir("./4649") = 0 [pid 300] mkdir("./4650", 0777) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4469 attached [pid 4469] set_robust_list(0x5555557fd6a0, 24 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13661 [pid 4469] <... set_robust_list resumed>) = 0 [pid 4469] chdir("./4650") = 0 [pid 4469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4469] setpgid(0, 0) = 0 [pid 4469] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4469] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4469] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4458] <... close resumed>) = 0 [pid 4453] <... close resumed>) = 0 [pid 4469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4458] close(6 [pid 4453] close(6 [pid 4469] <... openat resumed>) = 3 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4469] write(3, "1000", 4 [pid 4458] close(7 [pid 4453] close(7 [pid 4469] <... write resumed>) = 4 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4469] close(3 [pid 4458] close(8 [pid 4453] close(8 [pid 4469] <... close resumed>) = 0 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4469] symlink("/dev/binderfs", "./binderfs" [pid 4458] close(9 [pid 4453] close(9 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4458] close(10 [pid 4453] close(10 [pid 4469] <... symlink resumed>) = 0 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4469] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] close(11 [pid 4453] close(11 [pid 4469] <... futex resumed>) = 0 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4469] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4458] close(12 [pid 4453] close(12 [pid 4469] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4469] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4458] close(13 [pid 4453] close(13 [pid 4469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4458] close(14 [pid 4453] close(14 [pid 4469] <... mmap resumed>) = 0x7fba2fe97000 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4469] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4458] close(15 [pid 4453] close(15 [pid 4469] <... mprotect resumed>) = 0 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4458] close(16 [pid 4453] close(16 [pid 4469] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4469] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4458] close(17 [pid 4453] close(17 [pid 4469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4458] close(18 [pid 4453] close(18 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4470 attached [pid 4458] close(19 [pid 4453] close(19 [pid 4470] set_robust_list(0x7fba2feb79a0, 24 [pid 4469] <... clone3 resumed> => {parent_tid=[13662]}, 88) = 13662 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4470] <... set_robust_list resumed>) = 0 [pid 4469] rt_sigprocmask(SIG_SETMASK, [], [pid 4458] close(20 [pid 4453] close(20 [pid 4470] rt_sigprocmask(SIG_SETMASK, [], [pid 4469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4469] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] close(21 [pid 4453] close(21 [pid 4470] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4469] <... futex resumed>) = 0 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4469] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4470] <... bpf resumed>) = 3 [pid 4458] close(22 [pid 4453] close(22 [pid 4470] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4470] <... futex resumed>) = 1 [pid 4469] <... futex resumed>) = 0 [pid 4458] close(23 [pid 4453] close(23 [pid 4470] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4469] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4470] <... bpf resumed>) = 0 [pid 4469] <... futex resumed>) = 0 [pid 4458] close(24 [pid 4453] close(24 [pid 4470] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4469] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4470] <... futex resumed>) = 0 [pid 4469] <... futex resumed>) = 0 [pid 4458] close(25 [pid 4453] close(25 [pid 4470] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4469] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4458] close(26 [pid 4453] close(26 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4458] close(27 [pid 4453] close(27 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4470] <... bpf resumed>) = 4 [pid 4458] close(28 [pid 4453] close(28 [pid 4470] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4470] <... futex resumed>) = 1 [pid 4469] <... futex resumed>) = 0 [pid 4458] close(29 [pid 4453] close(29 [pid 4470] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4469] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4453] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4469] <... futex resumed>) = 0 [pid 4458] exit_group(0 [pid 4453] exit_group(0 [pid 4470] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4469] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4462] <... futex resumed>) = ? [pid 4460] <... futex resumed>) = ? [pid 4458] <... exit_group resumed>) = ? [pid 4457] <... futex resumed>) = ? [pid 4455] <... futex resumed>) = ? [pid 4453] <... exit_group resumed>) = ? [pid 4462] +++ exited with 0 +++ [pid 4460] +++ exited with 0 +++ [pid 4458] +++ exited with 0 +++ [pid 4457] +++ exited with 0 +++ [pid 4455] +++ exited with 0 +++ [pid 4453] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13508, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13787, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] umount2("./4703", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] umount2("./4612", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] openat(AT_FDCWD, "./4703", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... openat resumed>) = 3 [pid 299] openat(AT_FDCWD, "./4612", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] newfstatat(3, "", [pid 299] <... openat resumed>) = 3 [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] newfstatat(3, "", [pid 301] getdents64(3, [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] getdents64(3, [pid 301] umount2("./4703/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] umount2("./4612/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] newfstatat(AT_FDCWD, "./4703/cgroup.cpu", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] newfstatat(AT_FDCWD, "./4612/cgroup.cpu", [pid 301] unlink("./4703/cgroup.cpu" [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... unlink resumed>) = 0 [pid 299] unlink("./4612/cgroup.cpu" [pid 301] umount2("./4703/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... unlink resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] umount2("./4612/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] newfstatat(AT_FDCWD, "./4703/binderfs", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] newfstatat(AT_FDCWD, "./4612/binderfs", [pid 301] unlink("./4703/binderfs" [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... unlink resumed>) = 0 [pid 299] unlink("./4612/binderfs" [pid 301] umount2("./4703/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... unlink resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] umount2("./4612/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] newfstatat(AT_FDCWD, "./4703/cgroup", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] newfstatat(AT_FDCWD, "./4612/cgroup", [pid 301] unlink("./4703/cgroup" [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... unlink resumed>) = 0 [pid 299] unlink("./4612/cgroup" [pid 301] umount2("./4703/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... unlink resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] umount2("./4612/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] newfstatat(AT_FDCWD, "./4703/cgroup.net", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] newfstatat(AT_FDCWD, "./4612/cgroup.net", [pid 301] unlink("./4703/cgroup.net" [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... unlink resumed>) = 0 [pid 299] unlink("./4612/cgroup.net" [pid 301] getdents64(3, [pid 299] <... unlink resumed>) = 0 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] getdents64(3, [pid 301] close(3 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] <... close resumed>) = 0 [pid 299] close(3 [pid 301] rmdir("./4703" [pid 299] <... close resumed>) = 0 [pid 301] <... rmdir resumed>) = 0 [pid 299] rmdir("./4612" [pid 301] mkdir("./4704", 0777 [pid 299] <... rmdir resumed>) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 299] mkdir("./4613", 0777 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 4471 attached [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4471] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 4471] chdir("./4704") = 0 [pid 4471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 4472 attached [pid 4471] setpgid(0, 0 [pid 4472] set_robust_list(0x5555557fd6a0, 24 [pid 4471] <... setpgid resumed>) = 0 [pid 4466] <... bpf resumed>) = 5 [pid 4465] <... bpf resumed>) = 5 [pid 4472] <... set_robust_list resumed>) = 0 [pid 4471] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4470] <... bpf resumed>) = 5 [pid 4466] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4465] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13790 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13511 [pid 4472] chdir("./4613" [pid 4471] <... symlink resumed>) = 0 [pid 4470] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4466] <... futex resumed>) = 1 [pid 4465] <... futex resumed>) = 1 [pid 4464] <... futex resumed>) = 0 [pid 4463] <... futex resumed>) = 0 [pid 4472] <... chdir resumed>) = 0 [pid 4471] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4470] <... futex resumed>) = 1 [pid 4469] <... futex resumed>) = 0 [pid 4466] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4465] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4464] close(3 [pid 4463] close(3 [pid 4472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4471] <... symlink resumed>) = 0 [pid 4470] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4469] close(3 [pid 4464] <... close resumed>) = 0 [pid 4463] <... close resumed>) = 0 [pid 4472] <... prctl resumed>) = 0 [pid 4471] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4469] <... close resumed>) = 0 [pid 4472] setpgid(0, 0 [pid 4471] <... symlink resumed>) = 0 [pid 4464] close(4 [pid 4463] close(4 [pid 4469] close(4 [pid 4472] <... setpgid resumed>) = 0 [pid 4471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4464] <... close resumed>) = 0 [pid 4463] <... close resumed>) = 0 [pid 4469] <... close resumed>) = 0 [pid 4472] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4471] <... openat resumed>) = 3 [pid 4469] close(5 [pid 4464] close(5 [pid 4463] close(5 [pid 4472] <... symlink resumed>) = 0 [pid 4471] write(3, "1000", 4 [pid 4469] <... close resumed>) = 0 [pid 4471] <... write resumed>) = 4 [pid 4464] <... close resumed>) = 0 [pid 4471] close(3 [pid 4463] <... close resumed>) = 0 [pid 4472] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4471] <... close resumed>) = 0 [pid 4469] close(6 [pid 4464] close(6 [pid 4463] close(6 [pid 4471] symlink("/dev/binderfs", "./binderfs" [pid 4472] <... symlink resumed>) = 0 [pid 4471] <... symlink resumed>) = 0 [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4472] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4471] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4469] close(7 [pid 4464] close(7 [pid 4463] close(7 [pid 4471] <... futex resumed>) = 0 [pid 4472] <... symlink resumed>) = 0 [pid 4471] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4471] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4469] close(8 [pid 4464] close(8 [pid 4463] close(8 [pid 4471] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4472] <... openat resumed>) = 3 [pid 4471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4472] write(3, "1000", 4 [pid 4471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4469] close(9 [pid 4464] close(9 [pid 4463] close(9 [pid 4472] <... write resumed>) = 4 [pid 4471] <... mmap resumed>) = 0x7fba2fe97000 [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4472] close(3 [pid 4471] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4469] close(10 [pid 4464] close(10 [pid 4463] close(10 [pid 4472] <... close resumed>) = 0 [pid 4471] <... mprotect resumed>) = 0 [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4472] symlink("/dev/binderfs", "./binderfs" [pid 4471] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4469] close(11 [pid 4464] close(11 [pid 4463] close(11 [pid 4471] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4473 attached [pid 4472] <... symlink resumed>) = 0 [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4473] set_robust_list(0x7fba2feb79a0, 24 [pid 4472] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4471] <... clone3 resumed> => {parent_tid=[13791]}, 88) = 13791 [pid 4469] close(12 [pid 4464] close(12 [pid 4463] close(12 [pid 4473] <... set_robust_list resumed>) = 0 [pid 4472] <... futex resumed>) = 0 [pid 4471] rt_sigprocmask(SIG_SETMASK, [], [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4473] rt_sigprocmask(SIG_SETMASK, [], [pid 4472] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4469] close(13 [pid 4464] close(13 [pid 4463] close(13 [pid 4473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4472] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4471] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4473] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4471] <... futex resumed>) = 0 [pid 4469] close(14 [pid 4464] close(14 [pid 4463] close(14 [pid 4472] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4473] <... bpf resumed>) = 3 [pid 4472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4471] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4473] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4469] close(15 [pid 4464] close(15 [pid 4463] close(15 [pid 4473] <... futex resumed>) = 0 [pid 4472] <... mmap resumed>) = 0x7fba2fe97000 [pid 4471] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4473] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4472] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4471] <... futex resumed>) = 0 [pid 4469] close(16 [pid 4464] close(16 [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4473] <... bpf resumed>) = 0 [pid 4472] <... mprotect resumed>) = 0 [pid 4471] <... futex resumed>) = 0 [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] close(16 [pid 4473] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4472] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4469] close(17 [pid 4473] <... futex resumed>) = 0 [pid 4472] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] close(17 [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4473] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4471] <... mmap resumed>) = 0x7fba2fe76000 [pid 4469] close(18 [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] close(17./strace-static-x86_64: Process 4474 attached [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4464] close(18 [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4474] set_robust_list(0x7fba2feb79a0, 24 [pid 4472] <... clone3 resumed> => {parent_tid=[13512]}, 88) = 13512 [pid 4471] <... mprotect resumed>) = 0 [pid 4469] close(19 [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] close(18 [pid 4474] <... set_robust_list resumed>) = 0 [pid 4472] rt_sigprocmask(SIG_SETMASK, [], [pid 4471] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] close(19 [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4474] rt_sigprocmask(SIG_SETMASK, [], [pid 4472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4471] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4469] close(20 [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] close(19 [pid 4474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4472] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] close(20 [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4474] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4472] <... futex resumed>) = 0 ./strace-static-x86_64: Process 4475 attached [pid 4474] <... bpf resumed>) = 3 [pid 4469] close(21 [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] close(20 [pid 4472] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4475] set_robust_list(0x7fba2fe969a0, 24 [pid 4474] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4471] <... clone3 resumed> => {parent_tid=[13792]}, 88) = 13792 [pid 4472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] close(21 [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4475] <... set_robust_list resumed>) = 0 [pid 4474] <... futex resumed>) = 0 [pid 4472] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4471] rt_sigprocmask(SIG_SETMASK, [], [pid 4469] close(22 [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] close(21 [pid 4475] rt_sigprocmask(SIG_SETMASK, [], [pid 4474] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4472] <... futex resumed>) = 0 [pid 4471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] close(22 [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4474] <... bpf resumed>) = 0 [pid 4472] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4471] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4469] close(23 [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] close(22 [pid 4475] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4474] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4472] <... futex resumed>) = 0 [pid 4471] <... futex resumed>) = 0 [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] close(23 [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4475] <... bpf resumed>) = 4 [pid 4474] <... futex resumed>) = 0 [pid 4472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4471] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4469] close(24 [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] close(23 [pid 4474] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4472] <... mmap resumed>) = 0x7fba2fe76000 [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] close(24 [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4472] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4469] close(25 [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] close(24 [pid 4475] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4472] <... mprotect resumed>) = 0 [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] close(25 [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4475] <... futex resumed>) = 1 [pid 4472] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4471] <... futex resumed>) = 0 [pid 4469] close(26 [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] close(25 [pid 4475] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4472] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4471] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] close(26 [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4473] <... futex resumed>) = 0 [pid 4472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4471] <... futex resumed>) = 1 [pid 4469] close(27 [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] close(26 [pid 4473] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4471] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 4476 attached [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] close(27 [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4476] set_robust_list(0x7fba2fe969a0, 24 [pid 4472] <... clone3 resumed> => {parent_tid=[13513]}, 88) = 13513 [pid 4469] close(28 [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] close(27 [pid 4476] <... set_robust_list resumed>) = 0 [pid 4472] rt_sigprocmask(SIG_SETMASK, [], [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] close(28 [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4476] rt_sigprocmask(SIG_SETMASK, [], [pid 4472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4469] close(29 [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] close(28 [pid 4476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4472] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4469] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4464] close(29 [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4476] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4472] <... futex resumed>) = 0 [pid 4469] exit_group(0 [pid 4464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4463] close(29 [pid 4476] <... bpf resumed>) = 4 [pid 4472] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4470] <... futex resumed>) = ? [pid 4469] <... exit_group resumed>) = ? [pid 4464] exit_group(0 [pid 4463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4470] +++ exited with 0 +++ [pid 4476] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4472] <... futex resumed>) = 0 [pid 4476] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4472] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4474] <... futex resumed>) = 0 [pid 4472] <... futex resumed>) = 1 [pid 4474] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4472] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4469] +++ exited with 0 +++ [pid 4463] exit_group(0 [pid 4468] <... futex resumed>) = ? [pid 4466] <... futex resumed>) = ? [pid 4465] <... futex resumed>) = 231 [pid 4464] <... exit_group resumed>) = ? [pid 4468] +++ exited with 0 +++ [pid 4467] <... futex resumed>) = ? [pid 4466] +++ exited with 0 +++ [pid 4463] <... exit_group resumed>) = ? [pid 4464] +++ exited with 0 +++ [pid 4465] +++ exited with 0 +++ [pid 4467] +++ exited with 0 +++ [pid 4463] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 302] restart_syscall(<... resuming interrupted clone ...> [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 300] <... restart_syscall resumed>) = 0 [pid 303] <... restart_syscall resumed>) = 0 [pid 303] umount2("./4757", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] umount2("./4650", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] openat(AT_FDCWD, "./4757", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] <... restart_syscall resumed>) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... openat resumed>) = 3 [pid 300] openat(AT_FDCWD, "./4650", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 303] newfstatat(3, "", [pid 300] <... openat resumed>) = 3 [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] umount2("./4725", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] newfstatat(3, "", [pid 303] getdents64(3, [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] umount2("./4757/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] openat(AT_FDCWD, "./4725", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] getdents64(3, [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... openat resumed>) = 3 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] newfstatat(3, "", [pid 303] newfstatat(AT_FDCWD, "./4757/cgroup.cpu", [pid 300] umount2("./4650/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] unlink("./4757/cgroup.cpu" [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] getdents64(3, [pid 303] <... unlink resumed>) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] newfstatat(AT_FDCWD, "./4650/cgroup.cpu", [pid 303] umount2("./4757/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4725/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] newfstatat(AT_FDCWD, "./4757/binderfs", [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] unlink("./4650/cgroup.cpu" [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] newfstatat(AT_FDCWD, "./4725/cgroup.cpu", [pid 300] <... unlink resumed>) = 0 [pid 303] unlink("./4757/binderfs" [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] umount2("./4650/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... unlink resumed>) = 0 [pid 303] umount2("./4757/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] unlink("./4725/cgroup.cpu" [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... unlink resumed>) = 0 [pid 303] newfstatat(AT_FDCWD, "./4757/cgroup", [pid 302] umount2("./4725/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] newfstatat(AT_FDCWD, "./4650/binderfs", [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] unlink("./4757/cgroup" [pid 302] newfstatat(AT_FDCWD, "./4725/binderfs", [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... unlink resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4650/binderfs" [pid 303] umount2("./4757/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] unlink("./4725/binderfs" [pid 300] <... unlink resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... unlink resumed>) = 0 [pid 300] umount2("./4650/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] newfstatat(AT_FDCWD, "./4757/cgroup.net", [pid 302] umount2("./4725/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] unlink("./4757/cgroup.net" [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4650/cgroup", [pid 303] <... unlink resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4725/cgroup", [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] getdents64(3, [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] unlink("./4725/cgroup" [pid 300] unlink("./4650/cgroup" [pid 303] close(3 [pid 302] <... unlink resumed>) = 0 [pid 303] <... close resumed>) = 0 [pid 302] umount2("./4725/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... unlink resumed>) = 0 [pid 303] rmdir("./4757" [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] umount2("./4650/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... rmdir resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4725/cgroup.net", [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] mkdir("./4758", 0777 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] newfstatat(AT_FDCWD, "./4650/cgroup.net", [pid 303] <... mkdir resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] unlink("./4725/cgroup.net" [pid 300] unlink("./4650/cgroup.net"./strace-static-x86_64: Process 4477 attached [pid 4477] set_robust_list(0x5555557fd6a0, 24 [pid 302] <... unlink resumed>) = 0 [pid 4477] <... set_robust_list resumed>) = 0 [pid 4477] chdir("./4758" [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13951 [pid 302] getdents64(3, [pid 300] <... unlink resumed>) = 0 [pid 4477] <... chdir resumed>) = 0 [pid 300] getdents64(3, [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 302] close(3 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4477] <... prctl resumed>) = 0 [pid 302] <... close resumed>) = 0 [pid 300] close(3 [pid 4477] setpgid(0, 0 [pid 302] rmdir("./4725" [pid 4477] <... setpgid resumed>) = 0 [pid 300] <... close resumed>) = 0 [pid 4477] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 302] <... rmdir resumed>) = 0 [pid 300] rmdir("./4650" [pid 4477] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 302] mkdir("./4726", 0777 [pid 300] <... rmdir resumed>) = 0 [pid 4477] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 302] <... mkdir resumed>) = 0 [pid 300] mkdir("./4651", 0777 [pid 4477] <... openat resumed>) = 3 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4477] write(3, "1000", 4 [pid 300] <... mkdir resumed>) = 0 [pid 4477] <... write resumed>) = 4 [pid 4477] close(3) = 0 [pid 4477] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 4478 attached [pid 4477] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4474] <... bpf resumed>) = 5 [pid 4473] <... bpf resumed>) = 5 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4478] set_robust_list(0x5555557fd6a0, 24 [pid 4477] <... futex resumed>) = 0 [pid 4474] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4473] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13885 [pid 4477] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4474] <... futex resumed>) = 1 [pid 4473] <... futex resumed>) = 1 [pid 4472] <... futex resumed>) = 0 [pid 4471] <... futex resumed>) = 0 [pid 4477] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4474] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4473] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4472] close(3 [pid 4471] close(3./strace-static-x86_64: Process 4479 attached [pid 4478] <... set_robust_list resumed>) = 0 [pid 4477] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4472] <... close resumed>) = 0 [pid 4471] <... close resumed>) = 0 [pid 4479] set_robust_list(0x5555557fd6a0, 24 [pid 4478] chdir("./4726" [pid 4477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4472] close(4 [pid 4471] close(4 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13663 [pid 4479] <... set_robust_list resumed>) = 0 [pid 4478] <... chdir resumed>) = 0 [pid 4477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4472] <... close resumed>) = 0 [pid 4471] <... close resumed>) = 0 [pid 4479] chdir("./4651" [pid 4478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4477] <... mmap resumed>) = 0x7fba2fe97000 [pid 4472] close(5 [pid 4471] close(5 [pid 4479] <... chdir resumed>) = 0 [pid 4478] <... prctl resumed>) = 0 [pid 4477] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4472] <... close resumed>) = 0 [pid 4471] <... close resumed>) = 0 [pid 4479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4478] setpgid(0, 0 [pid 4477] <... mprotect resumed>) = 0 [pid 4472] close(6 [pid 4471] close(6 [pid 4479] <... prctl resumed>) = 0 [pid 4478] <... setpgid resumed>) = 0 [pid 4477] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4479] setpgid(0, 0 [pid 4478] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4477] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4471] close(7 [pid 4472] close(7 [pid 4479] <... setpgid resumed>) = 0 [pid 4477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4480 attached [pid 4479] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4478] <... symlink resumed>) = 0 [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] close(8 [pid 4480] set_robust_list(0x7fba2feb79a0, 24 [pid 4479] <... symlink resumed>) = 0 [pid 4478] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4477] <... clone3 resumed> => {parent_tid=[13952]}, 88) = 13952 [pid 4472] close(8 [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4480] <... set_robust_list resumed>) = 0 [pid 4479] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4477] rt_sigprocmask(SIG_SETMASK, [], [pid 4471] close(9 [pid 4480] rt_sigprocmask(SIG_SETMASK, [], [pid 4479] <... symlink resumed>) = 0 [pid 4478] <... symlink resumed>) = 0 [pid 4477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4479] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4478] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4477] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4472] close(9 [pid 4471] close(10 [pid 4480] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4479] <... symlink resumed>) = 0 [pid 4477] <... futex resumed>) = 0 [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4480] <... bpf resumed>) = 3 [pid 4479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4478] <... symlink resumed>) = 0 [pid 4477] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] close(11 [pid 4480] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4479] <... openat resumed>) = 3 [pid 4478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4472] close(10 [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4480] <... futex resumed>) = 0 [pid 4479] write(3, "1000", 4 [pid 4478] <... openat resumed>) = 3 [pid 4477] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] close(12 [pid 4480] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4479] <... write resumed>) = 4 [pid 4478] write(3, "1000", 4 [pid 4477] <... futex resumed>) = 0 [pid 4472] close(11 [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4480] <... bpf resumed>) = 0 [pid 4479] close(3 [pid 4478] <... write resumed>) = 4 [pid 4477] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4471] close(13 [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4480] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4479] <... close resumed>) = 0 [pid 4478] close(3 [pid 4477] <... futex resumed>) = 0 [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4472] close(12 [pid 4480] <... futex resumed>) = 0 [pid 4479] symlink("/dev/binderfs", "./binderfs" [pid 4478] <... close resumed>) = 0 [pid 4477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] close(14 [pid 4480] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4479] <... symlink resumed>) = 0 [pid 4478] symlink("/dev/binderfs", "./binderfs" [pid 4477] <... mmap resumed>) = 0x7fba2fe76000 [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4472] close(13 [pid 4479] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4477] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4471] close(15 [pid 4479] <... futex resumed>) = 0 [pid 4478] <... symlink resumed>) = 0 [pid 4477] <... mprotect resumed>) = 0 [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4479] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4478] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4477] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4472] close(14 [pid 4471] close(16 [pid 4479] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4478] <... futex resumed>) = 0 [pid 4477] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4478] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4477] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4472] close(15 [pid 4471] close(17./strace-static-x86_64: Process 4481 attached [pid 4479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4478] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4481] set_robust_list(0x7fba2fe969a0, 24 [pid 4479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4478] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4477] <... clone3 resumed> => {parent_tid=[13953]}, 88) = 13953 [pid 4471] close(18 [pid 4472] close(16 [pid 4481] <... set_robust_list resumed>) = 0 [pid 4479] <... mmap resumed>) = 0x7fba2fe97000 [pid 4478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4477] rt_sigprocmask(SIG_SETMASK, [], [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4481] rt_sigprocmask(SIG_SETMASK, [], [pid 4479] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4472] close(17 [pid 4471] close(19 [pid 4481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4479] <... mprotect resumed>) = 0 [pid 4478] <... mmap resumed>) = 0x7fba2fe97000 [pid 4477] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4481] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4479] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4478] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4477] <... futex resumed>) = 0 [pid 4472] close(18 [pid 4471] close(20 [pid 4477] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] close(21) = -1 EBADF (Bad file descriptor) [pid 4471] close(22) = -1 EBADF (Bad file descriptor) [pid 4471] close(23) = -1 EBADF (Bad file descriptor) [pid 4471] close(24) = -1 EBADF (Bad file descriptor) [pid 4481] <... bpf resumed>) = 4 [pid 4471] close(25 [pid 4479] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4481] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4478] <... mprotect resumed>) = 0 [pid 4479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4481] <... futex resumed>) = 1 [pid 4478] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4477] <... futex resumed>) = 0 [pid 4472] close(19 [pid 4471] close(26./strace-static-x86_64: Process 4482 attached [pid 4481] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4478] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4477] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4482] set_robust_list(0x7fba2feb79a0, 24 [pid 4480] <... futex resumed>) = 0 [pid 4479] <... clone3 resumed> => {parent_tid=[13664]}, 88) = 13664 [pid 4478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4477] <... futex resumed>) = 1 [pid 4472] close(20 [pid 4471] close(27 [pid 4482] <... set_robust_list resumed>) = 0 [pid 4480] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4479] rt_sigprocmask(SIG_SETMASK, [], [pid 4477] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4483 attached [pid 4482] rt_sigprocmask(SIG_SETMASK, [], [pid 4479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] close(28 [pid 4483] set_robust_list(0x7fba2feb79a0, 24 [pid 4482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4479] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4478] <... clone3 resumed> => {parent_tid=[13886]}, 88) = 13886 [pid 4472] close(21 [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4483] <... set_robust_list resumed>) = 0 [pid 4482] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4479] <... futex resumed>) = 0 [pid 4478] rt_sigprocmask(SIG_SETMASK, [], [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] close(29 [pid 4483] rt_sigprocmask(SIG_SETMASK, [], [pid 4482] <... bpf resumed>) = 3 [pid 4479] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4472] close(22 [pid 4471] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4482] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4478] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] exit_group(0 [pid 4483] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4482] <... futex resumed>) = 0 [pid 4479] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4478] <... futex resumed>) = 0 [pid 4475] <... futex resumed>) = ? [pid 4473] <... futex resumed>) = ? [pid 4472] close(23 [pid 4471] <... exit_group resumed>) = ? [pid 4483] <... bpf resumed>) = 3 [pid 4482] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4479] <... futex resumed>) = 0 [pid 4478] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4475] +++ exited with 0 +++ [pid 4473] +++ exited with 0 +++ [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4471] +++ exited with 0 +++ [pid 4483] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4482] <... bpf resumed>) = 0 [pid 4479] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4472] close(24 [pid 4483] <... futex resumed>) = 0 [pid 4482] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4479] <... futex resumed>) = 0 [pid 4478] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4483] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4482] <... futex resumed>) = 0 [pid 4479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4478] <... futex resumed>) = 0 [pid 4472] close(25 [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 4483] <... bpf resumed>) = 0 [pid 4482] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4479] <... mmap resumed>) = 0x7fba2fe76000 [pid 4478] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4483] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4479] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4478] <... futex resumed>) = 0 [pid 4472] close(26 [pid 4483] <... futex resumed>) = 0 [pid 4479] <... mprotect resumed>) = 0 [pid 4483] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... restart_syscall resumed>) = 0 [pid 4479] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4478] <... mmap resumed>) = 0x7fba2fe76000 [pid 4472] close(27 [pid 4479] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4478] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4478] <... mprotect resumed>) = 0 [pid 4472] close(28./strace-static-x86_64: Process 4484 attached [pid 4478] rt_sigprocmask(SIG_BLOCK, ~[], [pid 301] umount2("./4704", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4484] set_robust_list(0x7fba2fe969a0, 24 [pid 4479] <... clone3 resumed> => {parent_tid=[13665]}, 88) = 13665 [pid 4478] <... rt_sigprocmask resumed>[], 8) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4472] close(29 [pid 4484] <... set_robust_list resumed>) = 0 [pid 4479] rt_sigprocmask(SIG_SETMASK, [], [pid 4478] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] openat(AT_FDCWD, "./4704", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4484] rt_sigprocmask(SIG_SETMASK, [], [pid 4479] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 4485 attached [pid 4485] set_robust_list(0x7fba2fe969a0, 24 [pid 4472] exit_group(0 [pid 4485] <... set_robust_list resumed>) = 0 [pid 4484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4479] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... openat resumed>) = 3 [pid 4476] <... futex resumed>) = ? [pid 4474] <... futex resumed>) = ? [pid 4472] <... exit_group resumed>) = ? [pid 4478] <... clone3 resumed> => {parent_tid=[13887]}, 88) = 13887 [pid 4485] rt_sigprocmask(SIG_SETMASK, [], [pid 4484] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4480] <... bpf resumed>) = 5 [pid 4479] <... futex resumed>) = 0 [pid 4476] +++ exited with 0 +++ [pid 4474] +++ exited with 0 +++ [pid 301] newfstatat(3, "", [pid 4485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4485] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4472] +++ exited with 0 +++ [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4479] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4484] <... bpf resumed>) = 4 [pid 301] getdents64(3, [pid 4484] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4480] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4478] rt_sigprocmask(SIG_SETMASK, [], [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4484] <... futex resumed>) = 1 [pid 4480] <... futex resumed>) = 1 [pid 4479] <... futex resumed>) = 0 [pid 4478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4477] <... futex resumed>) = 0 [pid 301] umount2("./4704/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4484] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4480] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4479] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4478] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4477] close(3 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 4485] <... futex resumed>) = 0 [pid 4482] <... futex resumed>) = 0 [pid 4479] <... futex resumed>) = 1 [pid 4478] <... futex resumed>) = 1 [pid 4477] <... close resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4704/cgroup.cpu", [pid 4485] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4482] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4479] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4478] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4477] close(4 [pid 299] <... restart_syscall resumed>) = 0 [pid 4485] <... bpf resumed>) = 4 [pid 4482] <... bpf resumed>) = 5 [pid 4477] <... close resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4485] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4482] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4477] close(5 [pid 301] unlink("./4704/cgroup.cpu" [pid 4485] <... futex resumed>) = 1 [pid 4482] <... futex resumed>) = 1 [pid 4479] <... futex resumed>) = 0 [pid 4478] <... futex resumed>) = 0 [pid 4485] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4482] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4479] close(3 [pid 4478] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... unlink resumed>) = 0 [pid 299] umount2("./4613", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4483] <... futex resumed>) = 0 [pid 4479] <... close resumed>) = 0 [pid 4478] <... futex resumed>) = 1 [pid 301] umount2("./4704/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4483] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4479] close(4 [pid 4478] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4479] <... close resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4479] close(5 [pid 301] newfstatat(AT_FDCWD, "./4704/binderfs", [pid 299] openat(AT_FDCWD, "./4613", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... openat resumed>) = 3 [pid 301] unlink("./4704/binderfs" [pid 299] newfstatat(3, "", [pid 301] <... unlink resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] umount2("./4704/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] getdents64(3, [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] newfstatat(AT_FDCWD, "./4704/cgroup", [pid 299] umount2("./4613/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] unlink("./4704/cgroup" [pid 299] newfstatat(AT_FDCWD, "./4613/cgroup.cpu", [pid 301] <... unlink resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] umount2("./4704/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] unlink("./4613/cgroup.cpu" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4704/cgroup.net", [pid 299] <... unlink resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] umount2("./4613/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] unlink("./4704/cgroup.net" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... unlink resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4613/binderfs", [pid 301] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] close(3 [pid 299] unlink("./4613/binderfs" [pid 301] <... close resumed>) = 0 [pid 301] rmdir("./4704" [pid 299] <... unlink resumed>) = 0 [pid 301] <... rmdir resumed>) = 0 [pid 299] umount2("./4613/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] mkdir("./4705", 0777 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... mkdir resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4613/cgroup", [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 4486 attached [pid 299] unlink("./4613/cgroup" [pid 4486] set_robust_list(0x5555557fd6a0, 24 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13793 [pid 4486] <... set_robust_list resumed>) = 0 [pid 4486] chdir("./4705" [pid 299] <... unlink resumed>) = 0 [pid 4486] <... chdir resumed>) = 0 [pid 299] umount2("./4613/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4486] setpgid(0, 0) = 0 [pid 299] newfstatat(AT_FDCWD, "./4613/cgroup.net", [pid 4486] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4486] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 299] unlink("./4613/cgroup.net" [pid 4486] <... symlink resumed>) = 0 [pid 4486] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 299] <... unlink resumed>) = 0 [pid 4486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] getdents64(3, [pid 4486] <... openat resumed>) = 3 [pid 4486] write(3, "1000", 4 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4486] <... write resumed>) = 4 [pid 4486] close(3 [pid 299] close(3 [pid 4486] <... close resumed>) = 0 [pid 4486] symlink("/dev/binderfs", "./binderfs") = 0 [pid 299] <... close resumed>) = 0 [pid 4486] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] rmdir("./4613" [pid 4486] <... futex resumed>) = 0 [pid 4486] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 299] <... rmdir resumed>) = 0 [pid 4486] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 299] mkdir("./4614", 0777 [pid 4486] <... mprotect resumed>) = 0 [pid 4486] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4487 attached [pid 299] <... mkdir resumed>) = 0 [pid 4487] set_robust_list(0x7fba2feb79a0, 24 [pid 4486] <... clone3 resumed> => {parent_tid=[13794]}, 88) = 13794 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4487] <... set_robust_list resumed>) = 0 [pid 4486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4486] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4486] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4488 attached [pid 4487] rt_sigprocmask(SIG_SETMASK, [], [pid 4488] set_robust_list(0x5555557fd6a0, 24 [pid 4487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13514 [pid 4488] <... set_robust_list resumed>) = 0 [pid 4488] chdir("./4614" [pid 4487] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4488] <... chdir resumed>) = 0 [pid 4487] <... bpf resumed>) = 3 [pid 4488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4487] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4488] <... prctl resumed>) = 0 [pid 4487] <... futex resumed>) = 1 [pid 4486] <... futex resumed>) = 0 [pid 4488] setpgid(0, 0 [pid 4487] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4488] <... setpgid resumed>) = 0 [pid 4486] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4488] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4487] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4486] <... futex resumed>) = 0 [pid 4488] <... symlink resumed>) = 0 [pid 4486] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4487] <... bpf resumed>) = 0 [pid 4486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4488] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4487] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4486] <... mmap resumed>) = 0x7fba2fe76000 [pid 4488] <... symlink resumed>) = 0 [pid 4486] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4487] <... futex resumed>) = 0 [pid 4488] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4486] <... mprotect resumed>) = 0 [pid 4487] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4488] <... symlink resumed>) = 0 [pid 4486] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4486] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4488] <... openat resumed>) = 3 [pid 4488] write(3, "1000", 4 [pid 4486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4488] <... write resumed>) = 4 ./strace-static-x86_64: Process 4489 attached [pid 4488] close(3 [pid 4489] set_robust_list(0x7fba2fe969a0, 24 [pid 4488] <... close resumed>) = 0 [pid 4486] <... clone3 resumed> => {parent_tid=[13795]}, 88) = 13795 [pid 4489] <... set_robust_list resumed>) = 0 [pid 4488] symlink("/dev/binderfs", "./binderfs" [pid 4486] rt_sigprocmask(SIG_SETMASK, [], [pid 4489] rt_sigprocmask(SIG_SETMASK, [], [pid 4488] <... symlink resumed>) = 0 [pid 4486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4488] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4489] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4486] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4488] <... futex resumed>) = 0 [pid 4489] <... bpf resumed>) = 4 [pid 4488] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4486] <... futex resumed>) = 0 [pid 4489] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4488] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4486] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4489] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4488] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4486] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4486] <... futex resumed>) = 1 [pid 4488] <... mmap resumed>) = 0x7fba2fe97000 [pid 4487] <... futex resumed>) = 0 [pid 4486] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4488] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4487] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4488] <... mprotect resumed>) = 0 [pid 4488] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4490 attached [pid 4490] set_robust_list(0x7fba2feb79a0, 24 [pid 4488] <... clone3 resumed> => {parent_tid=[13515]}, 88) = 13515 [pid 4490] <... set_robust_list resumed>) = 0 [pid 4488] rt_sigprocmask(SIG_SETMASK, [], [pid 4490] rt_sigprocmask(SIG_SETMASK, [], [pid 4488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4488] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4490] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4488] <... futex resumed>) = 0 [pid 4490] <... bpf resumed>) = 3 [pid 4488] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4483] <... bpf resumed>) = 5 [pid 4477] <... close resumed>) = 0 [pid 4490] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4483] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4477] close(6 [pid 4490] <... futex resumed>) = 0 [pid 4488] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4483] <... futex resumed>) = 1 [pid 4478] <... futex resumed>) = 0 [pid 4477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4490] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4488] <... futex resumed>) = 0 [pid 4483] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4478] close(3 [pid 4477] close(7 [pid 4490] <... bpf resumed>) = 0 [pid 4488] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4478] <... close resumed>) = 0 [pid 4477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4490] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4488] <... futex resumed>) = 0 [pid 4478] close(4 [pid 4477] close(8 [pid 4490] <... futex resumed>) = 0 [pid 4488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4478] <... close resumed>) = 0 [pid 4477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4490] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4488] <... mmap resumed>) = 0x7fba2fe76000 [pid 4478] close(5 [pid 4477] close(9 [pid 4488] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] <... mprotect resumed>) = 0 [pid 4477] close(10) = -1 EBADF (Bad file descriptor) [pid 4488] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4477] close(11 [pid 4488] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4477] close(12) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4491 attached [pid 4477] close(13 [pid 4491] set_robust_list(0x7fba2fe969a0, 24 [pid 4488] <... clone3 resumed> => {parent_tid=[13516]}, 88) = 13516 [pid 4477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4491] <... set_robust_list resumed>) = 0 [pid 4488] rt_sigprocmask(SIG_SETMASK, [], [pid 4477] close(14 [pid 4491] rt_sigprocmask(SIG_SETMASK, [], [pid 4488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4488] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4477] close(15 [pid 4491] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4488] <... futex resumed>) = 0 [pid 4477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4477] close(16) = -1 EBADF (Bad file descriptor) [pid 4477] close(17 [pid 4491] <... bpf resumed>) = 4 [pid 4477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4491] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4477] close(18 [pid 4491] <... futex resumed>) = 1 [pid 4488] <... futex resumed>) = 0 [pid 4477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4491] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4488] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4477] close(19 [pid 4490] <... futex resumed>) = 0 [pid 4488] <... futex resumed>) = 1 [pid 4477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4490] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4488] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4477] close(20) = -1 EBADF (Bad file descriptor) [pid 4477] close(21) = -1 EBADF (Bad file descriptor) [pid 4477] close(22) = -1 EBADF (Bad file descriptor) [pid 4477] close(23) = -1 EBADF (Bad file descriptor) [pid 4477] close(24) = -1 EBADF (Bad file descriptor) [pid 4477] close(25) = -1 EBADF (Bad file descriptor) [pid 4477] close(26) = -1 EBADF (Bad file descriptor) [pid 4477] close(27) = -1 EBADF (Bad file descriptor) [pid 4477] close(28) = -1 EBADF (Bad file descriptor) [pid 4477] close(29) = -1 EBADF (Bad file descriptor) [pid 4477] exit_group(0 [pid 4481] <... futex resumed>) = ? [pid 4480] <... futex resumed>) = ? [pid 4477] <... exit_group resumed>) = ? [pid 4481] +++ exited with 0 +++ [pid 4480] +++ exited with 0 +++ [pid 4477] +++ exited with 0 +++ [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 303] umount2("./4758", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] openat(AT_FDCWD, "./4758", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 303] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] umount2("./4758/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4758/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4758/cgroup.cpu") = 0 [pid 303] umount2("./4758/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4758/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4758/binderfs") = 0 [pid 303] umount2("./4758/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4758/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4758/cgroup") = 0 [pid 303] umount2("./4758/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4758/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4758/cgroup.net") = 0 [pid 303] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] close(3) = 0 [pid 303] rmdir("./4758") = 0 [pid 303] mkdir("./4759", 0777) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4492 attached [pid 4492] set_robust_list(0x5555557fd6a0, 24 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13954 [pid 4492] <... set_robust_list resumed>) = 0 [pid 4492] chdir("./4759") = 0 [pid 4492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4492] setpgid(0, 0) = 0 [pid 4492] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4492] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 4492] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4492] write(3, "1000", 4) = 4 [pid 4492] close(3) = 0 [pid 4492] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4492] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4492] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4492] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4492] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4493 attached [pid 4493] set_robust_list(0x7fba2feb79a0, 24 [pid 4492] <... clone3 resumed> => {parent_tid=[13955]}, 88) = 13955 [pid 4493] <... set_robust_list resumed>) = 0 [pid 4493] rt_sigprocmask(SIG_SETMASK, [], [pid 4492] rt_sigprocmask(SIG_SETMASK, [], [pid 4493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4493] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4492] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4493] <... futex resumed>) = 0 [pid 4492] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4493] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=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 4493] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4492] <... futex resumed>) = 0 [pid 4493] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4492] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4492] <... futex resumed>) = 0 [pid 4493] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4492] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4493] <... bpf resumed>) = 0 [pid 4492] <... futex resumed>) = 0 [pid 4493] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4493] <... futex resumed>) = 0 [pid 4493] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4492] <... mmap resumed>) = 0x7fba2fe76000 [pid 4492] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4492] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4494 attached => {parent_tid=[13956]}, 88) = 13956 [pid 4494] set_robust_list(0x7fba2fe969a0, 24 [pid 4492] rt_sigprocmask(SIG_SETMASK, [], [pid 4494] <... set_robust_list resumed>) = 0 [pid 4487] <... bpf resumed>) = 5 [pid 4479] <... close resumed>) = 0 [pid 4494] rt_sigprocmask(SIG_SETMASK, [], [pid 4492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4487] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4479] close(6 [pid 4494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4492] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4487] <... futex resumed>) = 1 [pid 4486] <... futex resumed>) = 0 [pid 4479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4494] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4492] <... futex resumed>) = 0 [pid 4487] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4494] <... bpf resumed>) = 4 [pid 4492] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4486] close(3 [pid 4479] close(7 [pid 4494] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4494] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4486] <... close resumed>) = 0 [pid 4479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4492] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4486] close(4 [pid 4479] close(8 [pid 4493] <... futex resumed>) = 0 [pid 4492] <... futex resumed>) = 1 [pid 4486] <... close resumed>) = 0 [pid 4479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4493] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4492] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4486] close(5 [pid 4479] close(9) = -1 EBADF (Bad file descriptor) [pid 4479] close(10) = -1 EBADF (Bad file descriptor) [pid 4479] close(11) = -1 EBADF (Bad file descriptor) [pid 4479] close(12) = -1 EBADF (Bad file descriptor) [pid 4479] close(13) = -1 EBADF (Bad file descriptor) [pid 4479] close(14) = -1 EBADF (Bad file descriptor) [pid 4479] close(15) = -1 EBADF (Bad file descriptor) [pid 4479] close(16) = -1 EBADF (Bad file descriptor) [pid 4479] close(17) = -1 EBADF (Bad file descriptor) [pid 4479] close(18) = -1 EBADF (Bad file descriptor) [pid 4479] close(19) = -1 EBADF (Bad file descriptor) [pid 4479] close(20) = -1 EBADF (Bad file descriptor) [pid 4479] close(21) = -1 EBADF (Bad file descriptor) [pid 4479] close(22) = -1 EBADF (Bad file descriptor) [pid 4479] close(23) = -1 EBADF (Bad file descriptor) [pid 4479] close(24) = -1 EBADF (Bad file descriptor) [pid 4479] close(25) = -1 EBADF (Bad file descriptor) [pid 4479] close(26) = -1 EBADF (Bad file descriptor) [pid 4479] close(27) = -1 EBADF (Bad file descriptor) [pid 4479] close(28) = -1 EBADF (Bad file descriptor) [pid 4479] close(29) = -1 EBADF (Bad file descriptor) [pid 4479] exit_group(0 [pid 4484] <... futex resumed>) = ? [pid 4482] <... futex resumed>) = ? [pid 4479] <... exit_group resumed>) = ? [pid 4484] +++ exited with 0 +++ [pid 4482] +++ exited with 0 +++ [pid 4479] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13663, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 300] umount2("./4651", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] openat(AT_FDCWD, "./4651", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 300] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] umount2("./4651/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4651/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4651/cgroup.cpu") = 0 [pid 300] umount2("./4651/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4651/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4651/binderfs") = 0 [pid 300] umount2("./4651/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4651/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4651/cgroup") = 0 [pid 300] umount2("./4651/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4651/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4651/cgroup.net") = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] close(3) = 0 [pid 300] rmdir("./4651") = 0 [pid 300] mkdir("./4652", 0777) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4495 attached [pid 4495] set_robust_list(0x5555557fd6a0, 24 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13666 [pid 4495] <... set_robust_list resumed>) = 0 [pid 4495] chdir("./4652") = 0 [pid 4495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4495] setpgid(0, 0) = 0 [pid 4495] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4495] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4495] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4495] write(3, "1000", 4) = 4 [pid 4495] close(3) = 0 [pid 4495] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4495] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4495] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4495] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4495] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4495] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4496 attached => {parent_tid=[13667]}, 88) = 13667 [pid 4496] set_robust_list(0x7fba2feb79a0, 24 [pid 4495] rt_sigprocmask(SIG_SETMASK, [], [pid 4496] <... set_robust_list resumed>) = 0 [pid 4495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4496] rt_sigprocmask(SIG_SETMASK, [], [pid 4495] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4495] <... futex resumed>) = 0 [pid 4495] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4496] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=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 4496] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4495] <... futex resumed>) = 0 [pid 4496] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4495] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4495] <... futex resumed>) = 0 [pid 4496] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4495] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe76000 [pid 4495] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4496] <... bpf resumed>) = 0 [pid 4495] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4496] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4495] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4496] <... futex resumed>) = 0 [pid 4495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4497 attached [pid 4496] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4495] <... clone3 resumed> => {parent_tid=[13668]}, 88) = 13668 [pid 4497] set_robust_list(0x7fba2fe969a0, 24) = 0 [pid 4495] rt_sigprocmask(SIG_SETMASK, [], [pid 4497] rt_sigprocmask(SIG_SETMASK, [], [pid 4495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4495] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4497] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4495] <... futex resumed>) = 0 [pid 4495] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4497] <... bpf resumed>) = 4 [pid 4497] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4495] <... futex resumed>) = 0 [pid 4497] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4495] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4496] <... futex resumed>) = 0 [pid 4495] <... futex resumed>) = 1 [pid 4496] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4495] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4490] <... bpf resumed>) = 5 [pid 4478] <... close resumed>) = 0 [pid 4493] <... bpf resumed>) = 5 [pid 4496] <... bpf resumed>) = 5 [pid 4490] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4493] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4486] <... close resumed>) = 0 [pid 4478] close(6 [pid 4496] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4493] <... futex resumed>) = 1 [pid 4492] <... futex resumed>) = 0 [pid 4490] <... futex resumed>) = 1 [pid 4488] <... futex resumed>) = 0 [pid 4486] close(6 [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4496] <... futex resumed>) = 1 [pid 4495] <... futex resumed>) = 0 [pid 4493] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4492] close(3 [pid 4490] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4488] close(3 [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] close(7 [pid 4496] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4495] close(3 [pid 4492] <... close resumed>) = 0 [pid 4488] <... close resumed>) = 0 [pid 4486] close(7 [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4495] <... close resumed>) = 0 [pid 4492] close(4 [pid 4488] close(4 [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4495] close(4 [pid 4492] <... close resumed>) = 0 [pid 4488] <... close resumed>) = 0 [pid 4486] close(8 [pid 4478] close(8 [pid 4495] <... close resumed>) = 0 [pid 4492] close(5 [pid 4488] close(5 [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4495] close(5 [pid 4488] <... close resumed>) = 0 [pid 4486] close(9 [pid 4478] close(9 [pid 4488] close(6 [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] close(10 [pid 4478] close(10 [pid 4488] close(7) = -1 EBADF (Bad file descriptor) [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] close(8 [pid 4486] close(11 [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] close(11 [pid 4488] close(9 [pid 4486] close(12 [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] close(12 [pid 4488] close(10 [pid 4486] close(13 [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] close(11 [pid 4486] close(14 [pid 4478] close(13 [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] close(12) = -1 EBADF (Bad file descriptor) [pid 4486] close(15 [pid 4478] close(14 [pid 4488] close(13 [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] close(16 [pid 4478] close(15 [pid 4488] close(14 [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] close(17 [pid 4478] close(16 [pid 4488] close(15 [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] close(18 [pid 4478] close(17 [pid 4488] close(16 [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] close(19 [pid 4478] close(18 [pid 4488] close(17) = -1 EBADF (Bad file descriptor) [pid 4488] close(18 [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] close(20 [pid 4478] close(19 [pid 4488] close(19 [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] close(21 [pid 4478] close(20 [pid 4488] close(20 [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] close(22 [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] close(21 [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] close(21 [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] close(23 [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] close(22) = -1 EBADF (Bad file descriptor) [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] close(22 [pid 4488] close(23 [pid 4486] close(24 [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] close(23 [pid 4488] close(24 [pid 4486] close(25 [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] close(24 [pid 4488] close(25 [pid 4486] close(26 [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] close(26 [pid 4486] close(27 [pid 4478] close(25 [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] close(27 [pid 4486] close(28 [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] close(26 [pid 4488] close(28 [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4486] close(29 [pid 4478] close(27 [pid 4488] close(29 [pid 4486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4488] exit_group(0 [pid 4486] exit_group(0 [pid 4478] close(28 [pid 4491] <... futex resumed>) = ? [pid 4490] <... futex resumed>) = ? [pid 4489] <... futex resumed>) = ? [pid 4488] <... exit_group resumed>) = ? [pid 4487] <... futex resumed>) = ? [pid 4486] <... exit_group resumed>) = ? [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4491] +++ exited with 0 +++ [pid 4490] +++ exited with 0 +++ [pid 4489] +++ exited with 0 +++ [pid 4488] +++ exited with 0 +++ [pid 4487] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] umount2("./4614", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4486] +++ exited with 0 +++ [pid 4478] close(29 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13793, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] openat(AT_FDCWD, "./4614", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4478] exit_group(0 [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 299] <... openat resumed>) = 3 [pid 4483] <... futex resumed>) = ? [pid 299] newfstatat(3, "", [pid 4485] <... futex resumed>) = ? [pid 4483] +++ exited with 0 +++ [pid 4478] <... exit_group resumed>) = ? [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4485] +++ exited with 0 +++ [pid 299] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] <... restart_syscall resumed>) = 0 [pid 299] umount2("./4614/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4478] +++ exited with 0 +++ [pid 299] newfstatat(AT_FDCWD, "./4614/cgroup.cpu", [pid 301] umount2("./4705", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13885, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4614/cgroup.cpu" [pid 302] restart_syscall(<... resuming interrupted clone ...> [pid 301] openat(AT_FDCWD, "./4705", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... unlink resumed>) = 0 [pid 302] <... restart_syscall resumed>) = 0 [pid 301] <... openat resumed>) = 3 [pid 299] umount2("./4614/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] newfstatat(3, "", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] newfstatat(AT_FDCWD, "./4614/binderfs", [pid 302] umount2("./4726", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] getdents64(3, [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] unlink("./4614/binderfs" [pid 302] openat(AT_FDCWD, "./4726", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] umount2("./4705/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... unlink resumed>) = 0 [pid 302] <... openat resumed>) = 3 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] umount2("./4614/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] newfstatat(3, "", [pid 301] newfstatat(AT_FDCWD, "./4705/cgroup.cpu", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] newfstatat(AT_FDCWD, "./4614/cgroup", [pid 302] getdents64(3, [pid 301] unlink("./4705/cgroup.cpu" [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] <... unlink resumed>) = 0 [pid 299] unlink("./4614/cgroup" [pid 302] umount2("./4726/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4705/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... unlink resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] umount2("./4614/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] newfstatat(AT_FDCWD, "./4726/cgroup.cpu", [pid 301] newfstatat(AT_FDCWD, "./4705/binderfs", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] newfstatat(AT_FDCWD, "./4614/cgroup.net", [pid 302] unlink("./4726/cgroup.cpu" [pid 301] unlink("./4705/binderfs" [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... unlink resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 299] unlink("./4614/cgroup.net" [pid 302] umount2("./4726/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4705/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... unlink resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] getdents64(3, [pid 302] newfstatat(AT_FDCWD, "./4726/binderfs", [pid 301] newfstatat(AT_FDCWD, "./4705/cgroup", [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] close(3 [pid 301] unlink("./4705/cgroup" [pid 299] <... close resumed>) = 0 [pid 302] unlink("./4726/binderfs" [pid 301] <... unlink resumed>) = 0 [pid 299] rmdir("./4614" [pid 302] <... unlink resumed>) = 0 [pid 301] umount2("./4705/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... rmdir resumed>) = 0 [pid 302] umount2("./4726/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] mkdir("./4615", 0777 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4705/cgroup.net", [pid 299] <... mkdir resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4726/cgroup", [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4705/cgroup.net"./strace-static-x86_64: Process 4498 attached [pid 302] unlink("./4726/cgroup" [pid 301] <... unlink resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13517 [pid 4498] set_robust_list(0x5555557fd6a0, 24 [pid 301] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] <... unlink resumed>) = 0 [pid 301] close(3 [pid 4498] <... set_robust_list resumed>) = 0 [pid 302] umount2("./4726/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... close resumed>) = 0 [pid 301] rmdir("./4705" [pid 4498] chdir("./4615" [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... rmdir resumed>) = 0 [pid 4498] <... chdir resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4726/cgroup.net", [pid 301] mkdir("./4706", 0777 [pid 4498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 4498] <... prctl resumed>) = 0 [pid 302] unlink("./4726/cgroup.net" [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4499 attached [pid 4498] setpgid(0, 0 [pid 302] <... unlink resumed>) = 0 [pid 4499] set_robust_list(0x5555557fd6a0, 24 [pid 4498] <... setpgid resumed>) = 0 [pid 302] getdents64(3, [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13796 [pid 4499] <... set_robust_list resumed>) = 0 [pid 4498] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4499] chdir("./4706" [pid 302] close(3 [pid 4499] <... chdir resumed>) = 0 [pid 4498] <... symlink resumed>) = 0 [pid 302] <... close resumed>) = 0 [pid 4499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4498] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 302] rmdir("./4726" [pid 4499] <... prctl resumed>) = 0 [pid 4498] <... symlink resumed>) = 0 [pid 302] <... rmdir resumed>) = 0 [pid 4499] setpgid(0, 0 [pid 4498] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 302] mkdir("./4727", 0777 [pid 4499] <... setpgid resumed>) = 0 [pid 4498] <... symlink resumed>) = 0 [pid 4499] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4495] <... close resumed>) = 0 [pid 4492] <... close resumed>) = 0 [pid 302] <... mkdir resumed>) = 0 [pid 4495] close(6) = -1 EBADF (Bad file descriptor) [pid 4495] close(7) = -1 EBADF (Bad file descriptor) [pid 4495] close(8) = -1 EBADF (Bad file descriptor) [pid 4495] close(9) = -1 EBADF (Bad file descriptor) [pid 4499] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4495] close(10 [pid 4492] close(6 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4498] <... openat resumed>) = 3 [pid 4495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4495] close(11) = -1 EBADF (Bad file descriptor) [pid 4495] close(12 [pid 4499] <... symlink resumed>) = 0 [pid 4495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4492] close(7 [pid 4495] close(13) = -1 EBADF (Bad file descriptor) [pid 4495] close(14) = -1 EBADF (Bad file descriptor) [pid 4495] close(15) = -1 EBADF (Bad file descriptor) [pid 4495] close(16) = -1 EBADF (Bad file descriptor) [pid 4495] close(17./strace-static-x86_64: Process 4500 attached [pid 4499] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4498] write(3, "1000", 4 [pid 4495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4500] set_robust_list(0x5555557fd6a0, 24 [pid 4495] close(18 [pid 4500] <... set_robust_list resumed>) = 0 [pid 4499] <... symlink resumed>) = 0 [pid 4495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4500] chdir("./4727" [pid 4499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4498] <... write resumed>) = 4 [pid 4495] close(19 [pid 4492] close(8 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13888 [pid 4500] <... chdir resumed>) = 0 [pid 4499] <... openat resumed>) = 3 [pid 4495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(3 [pid 4500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4495] close(20 [pid 4492] close(9 [pid 4498] <... close resumed>) = 0 [pid 4499] write(3, "1000", 4 [pid 4500] <... prctl resumed>) = 0 [pid 4499] <... write resumed>) = 4 [pid 4498] symlink("/dev/binderfs", "./binderfs" [pid 4495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4500] setpgid(0, 0 [pid 4499] close(3 [pid 4495] close(21 [pid 4500] <... setpgid resumed>) = 0 [pid 4495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4500] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4499] <... close resumed>) = 0 [pid 4498] <... symlink resumed>) = 0 [pid 4495] close(22 [pid 4492] close(10 [pid 4500] <... symlink resumed>) = 0 [pid 4499] symlink("/dev/binderfs", "./binderfs" [pid 4500] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4499] <... symlink resumed>) = 0 [pid 4498] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4500] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4499] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4498] <... futex resumed>) = 0 [pid 4495] close(23 [pid 4492] close(11 [pid 4500] <... symlink resumed>) = 0 [pid 4499] <... futex resumed>) = 0 [pid 4498] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4499] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4498] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4495] close(24 [pid 4492] close(12 [pid 4500] <... openat resumed>) = 3 [pid 4499] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4498] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4500] write(3, "1000", 4 [pid 4499] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4495] close(25 [pid 4492] close(13 [pid 4500] <... write resumed>) = 4 [pid 4499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4500] close(3 [pid 4499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4500] <... close resumed>) = 0 [pid 4499] <... mmap resumed>) = 0x7fba2fe97000 [pid 4498] <... mmap resumed>) = 0x7fba2fe97000 [pid 4495] close(26 [pid 4492] close(14 [pid 4500] symlink("/dev/binderfs", "./binderfs" [pid 4499] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4498] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4500] <... symlink resumed>) = 0 [pid 4499] <... mprotect resumed>) = 0 [pid 4498] <... mprotect resumed>) = 0 [pid 4495] close(27 [pid 4492] close(15 [pid 4500] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4500] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4499] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4500] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4498] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4499] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4498] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4495] close(28 [pid 4492] close(16 [pid 4500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 ./strace-static-x86_64: Process 4501 attached [pid 4500] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4501] set_robust_list(0x7fba2feb79a0, 24 [pid 4500] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 4502 attached [pid 4501] <... set_robust_list resumed>) = 0 [pid 4500] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4499] <... clone3 resumed> => {parent_tid=[13797]}, 88) = 13797 [pid 4495] close(29 [pid 4492] close(17 [pid 4502] set_robust_list(0x7fba2feb79a0, 24 [pid 4501] rt_sigprocmask(SIG_SETMASK, [], [pid 4500] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4499] rt_sigprocmask(SIG_SETMASK, [], [pid 4498] <... clone3 resumed> => {parent_tid=[13518]}, 88) = 13518 [pid 4495] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4502] <... set_robust_list resumed>) = 0 [pid 4501] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4498] rt_sigprocmask(SIG_SETMASK, [], [pid 4495] exit_group(0./strace-static-x86_64: Process 4503 attached [pid 4502] rt_sigprocmask(SIG_SETMASK, [], [pid 4501] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4499] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4497] <... futex resumed>) = ? [pid 4496] <... futex resumed>) = ? [pid 4495] <... exit_group resumed>) = ? [pid 4492] close(18 [pid 4503] set_robust_list(0x7fba2feb79a0, 24 [pid 4502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4500] <... clone3 resumed> => {parent_tid=[13889]}, 88) = 13889 [pid 4499] <... futex resumed>) = 0 [pid 4498] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4497] +++ exited with 0 +++ [pid 4496] +++ exited with 0 +++ [pid 4502] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4501] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4500] rt_sigprocmask(SIG_SETMASK, [], [pid 4503] <... set_robust_list resumed>) = 0 [pid 4502] <... bpf resumed>) = 3 [pid 4501] <... bpf resumed>) = 3 [pid 4500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4499] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4498] <... futex resumed>) = 0 [pid 4495] +++ exited with 0 +++ [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4503] rt_sigprocmask(SIG_SETMASK, [], [pid 4502] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4501] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4498] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4492] close(19 [pid 4503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4502] <... futex resumed>) = 0 [pid 4501] <... futex resumed>) = 0 [pid 4500] <... futex resumed>) = 0 [pid 4499] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13666, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4503] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4502] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4501] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4500] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4499] <... futex resumed>) = 0 [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 4503] <... bpf resumed>) = 3 [pid 4502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4501] <... bpf resumed>) = 0 [pid 4499] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4498] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4492] close(20 [pid 300] <... restart_syscall resumed>) = 0 [pid 4503] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4502] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4501] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4499] <... futex resumed>) = 0 [pid 4498] <... futex resumed>) = 0 [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4503] <... futex resumed>) = 1 [pid 4502] <... bpf resumed>) = 0 [pid 4501] <... futex resumed>) = 0 [pid 4500] <... futex resumed>) = 0 [pid 4499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4498] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4492] close(21 [pid 4503] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4502] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4501] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4500] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4499] <... mmap resumed>) = 0x7fba2fe76000 [pid 4498] <... futex resumed>) = 0 [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] umount2("./4652", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4502] <... futex resumed>) = 0 [pid 4500] <... futex resumed>) = 0 [pid 4499] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4492] close(22 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4503] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4502] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4500] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] openat(AT_FDCWD, "./4652", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4500] <... futex resumed>) = 0 [pid 4499] <... mprotect resumed>) = 0 [pid 4498] <... mmap resumed>) = 0x7fba2fe76000 [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... openat resumed>) = 3 [pid 4503] <... bpf resumed>) = 0 [pid 4500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4499] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4498] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4492] close(23 [pid 300] newfstatat(3, "", [pid 4503] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] <... mmap resumed>) = 0x7fba2fe76000 [pid 4499] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4498] <... mprotect resumed>) = 0 [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4503] <... futex resumed>) = 0 [pid 4500] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4498] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4492] close(24 [pid 300] getdents64(3, [pid 4503] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4500] <... mprotect resumed>) = 0 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 4504 attached [pid 4500] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4498] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] umount2("./4652/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4504] set_robust_list(0x7fba2fe969a0, 24 [pid 4500] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4499] <... clone3 resumed> => {parent_tid=[13798]}, 88) = 13798 [pid 4498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4492] close(25 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4505 attached [pid 4504] <... set_robust_list resumed>) = 0 [pid 4500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4499] rt_sigprocmask(SIG_SETMASK, [], [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] newfstatat(AT_FDCWD, "./4652/cgroup.cpu", ./strace-static-x86_64: Process 4506 attached [pid 4505] set_robust_list(0x7fba2fe969a0, 24 [pid 4504] rt_sigprocmask(SIG_SETMASK, [], [pid 4499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4498] <... clone3 resumed> => {parent_tid=[13519]}, 88) = 13519 [pid 4492] close(26 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4506] set_robust_list(0x7fba2fe969a0, 24 [pid 4505] <... set_robust_list resumed>) = 0 [pid 4504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4500] <... clone3 resumed> => {parent_tid=[13890]}, 88) = 13890 [pid 4499] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4498] rt_sigprocmask(SIG_SETMASK, [], [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] unlink("./4652/cgroup.cpu" [pid 4506] <... set_robust_list resumed>) = 0 [pid 4505] rt_sigprocmask(SIG_SETMASK, [], [pid 4504] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4500] rt_sigprocmask(SIG_SETMASK, [], [pid 4499] <... futex resumed>) = 0 [pid 4498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4492] close(27 [pid 300] <... unlink resumed>) = 0 [pid 4506] rt_sigprocmask(SIG_SETMASK, [], [pid 4505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4504] <... bpf resumed>) = 4 [pid 4500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4499] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4498] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] umount2("./4652/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4505] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4504] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4498] <... futex resumed>) = 0 [pid 4492] close(28 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4506] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4505] <... bpf resumed>) = 4 [pid 4504] <... futex resumed>) = 0 [pid 4500] <... futex resumed>) = 0 [pid 4499] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4498] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] newfstatat(AT_FDCWD, "./4652/binderfs", [pid 4505] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4504] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4500] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4506] <... bpf resumed>) = 4 [pid 4505] <... futex resumed>) = 0 [pid 300] unlink("./4652/binderfs" [pid 4506] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4505] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4501] <... futex resumed>) = 0 [pid 4499] <... futex resumed>) = 1 [pid 4498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4492] close(29 [pid 300] <... unlink resumed>) = 0 [pid 4506] <... futex resumed>) = 1 [pid 4501] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4500] <... futex resumed>) = 0 [pid 4499] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] umount2("./4652/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4498] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4492] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4506] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4500] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4502] <... futex resumed>) = 0 [pid 4500] <... futex resumed>) = 1 [pid 4498] <... futex resumed>) = 1 [pid 4492] exit_group(0 [pid 4503] <... futex resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4652/cgroup", [pid 4503] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4502] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4501] <... bpf resumed>) = 5 [pid 4500] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4498] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4494] <... futex resumed>) = ? [pid 4493] <... futex resumed>) = ? [pid 4492] <... exit_group resumed>) = ? [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4503] <... bpf resumed>) = 5 [pid 4502] <... bpf resumed>) = 5 [pid 4501] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4494] +++ exited with 0 +++ [pid 4493] +++ exited with 0 +++ [pid 300] unlink("./4652/cgroup" [pid 4502] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4501] <... futex resumed>) = 1 [pid 4499] <... futex resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 4502] <... futex resumed>) = 1 [pid 4501] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4499] close(3 [pid 4498] <... futex resumed>) = 0 [pid 4492] +++ exited with 0 +++ [pid 300] umount2("./4652/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4503] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4502] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4499] <... close resumed>) = 0 [pid 4498] close(3 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4503] <... futex resumed>) = 1 [pid 4500] <... futex resumed>) = 0 [pid 4499] close(4 [pid 4498] <... close resumed>) = 0 [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13954, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] newfstatat(AT_FDCWD, "./4652/cgroup.net", [pid 4503] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4500] close(3 [pid 4499] <... close resumed>) = 0 [pid 4498] close(4 [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4499] close(5 [pid 4498] <... close resumed>) = 0 [pid 300] unlink("./4652/cgroup.net" [pid 4500] <... close resumed>) = 0 [pid 4499] <... close resumed>) = 0 [pid 4498] close(5 [pid 303] <... restart_syscall resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 4500] close(4 [pid 4499] close(6 [pid 300] getdents64(3, [pid 4500] <... close resumed>) = 0 [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4500] close(5 [pid 4499] close(7 [pid 300] close(3 [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... close resumed>) = 0 [pid 4499] close(8 [pid 303] umount2("./4759", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] rmdir("./4652" [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... rmdir resumed>) = 0 [pid 4499] close(9 [pid 300] mkdir("./4653", 0777 [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] openat(AT_FDCWD, "./4759", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] <... mkdir resumed>) = 0 [pid 4499] close(10 [pid 303] <... openat resumed>) = 3 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] newfstatat(3, "", ./strace-static-x86_64: Process 4507 attached [pid 4499] close(11 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13669 [pid 4507] set_robust_list(0x5555557fd6a0, 24 [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4507] <... set_robust_list resumed>) = 0 [pid 4499] close(12 [pid 303] getdents64(3, [pid 4507] chdir("./4653" [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4499] close(13 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4507] <... chdir resumed>) = 0 [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4499] close(14 [pid 303] umount2("./4759/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4507] <... prctl resumed>) = 0 [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4499] close(15) = -1 EBADF (Bad file descriptor) [pid 4499] close(16) = -1 EBADF (Bad file descriptor) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4507] setpgid(0, 0 [pid 4499] close(17 [pid 4507] <... setpgid resumed>) = 0 [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] newfstatat(AT_FDCWD, "./4759/cgroup.cpu", [pid 4499] close(18 [pid 4507] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4499] close(19 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4499] close(20) = -1 EBADF (Bad file descriptor) [pid 4499] close(21 [pid 4507] <... symlink resumed>) = 0 [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] unlink("./4759/cgroup.cpu" [pid 4507] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4499] close(22) = -1 EBADF (Bad file descriptor) [pid 4499] close(23 [pid 303] <... unlink resumed>) = 0 [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4499] close(24) = -1 EBADF (Bad file descriptor) [pid 4499] close(25 [pid 4507] <... symlink resumed>) = 0 [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] umount2("./4759/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4507] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4499] close(26 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4499] close(27 [pid 4507] <... symlink resumed>) = 0 [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4499] close(28 [pid 303] newfstatat(AT_FDCWD, "./4759/binderfs", [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... openat resumed>) = 3 [pid 4499] close(29 [pid 4507] write(3, "1000", 4 [pid 4499] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4507] <... write resumed>) = 4 [pid 4499] exit_group(0 [pid 303] unlink("./4759/binderfs" [pid 4507] close(3 [pid 4504] <... futex resumed>) = ? [pid 4501] <... futex resumed>) = ? [pid 4499] <... exit_group resumed>) = ? [pid 4507] <... close resumed>) = 0 [pid 4504] +++ exited with 0 +++ [pid 4501] +++ exited with 0 +++ [pid 4499] +++ exited with 0 +++ [pid 303] <... unlink resumed>) = 0 [pid 4507] symlink("/dev/binderfs", "./binderfs" [pid 303] umount2("./4759/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13796, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 4507] <... symlink resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... restart_syscall resumed>) = 0 [pid 4507] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] newfstatat(AT_FDCWD, "./4759/cgroup", [pid 4507] <... futex resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4507] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 303] unlink("./4759/cgroup" [pid 301] umount2("./4706", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4507] <... rt_sigaction resumed>NULL, 8) = 0 [pid 301] openat(AT_FDCWD, "./4706", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 303] <... unlink resumed>) = 0 [pid 301] <... openat resumed>) = 3 [pid 4507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 303] umount2("./4759/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] newfstatat(3, "", [pid 4507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 303] newfstatat(AT_FDCWD, "./4759/cgroup.net", [pid 301] getdents64(3, [pid 4507] <... mmap resumed>) = 0x7fba2fe97000 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4507] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] umount2("./4706/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4507] <... mprotect resumed>) = 0 [pid 303] unlink("./4759/cgroup.net" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4706/cgroup.cpu", [pid 4507] rt_sigprocmask(SIG_BLOCK, ~[], [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4706/cgroup.cpu" [pid 4507] <... rt_sigprocmask resumed>[], 8) = 0 [pid 303] <... unlink resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 4507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 303] getdents64(3, [pid 301] umount2("./4706/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4706/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4706/binderfs"./strace-static-x86_64: Process 4508 attached [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] <... unlink resumed>) = 0 [pid 4508] set_robust_list(0x7fba2feb79a0, 24 [pid 4507] <... clone3 resumed> => {parent_tid=[13670]}, 88) = 13670 [pid 303] close(3 [pid 301] umount2("./4706/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4508] <... set_robust_list resumed>) = 0 [pid 4507] rt_sigprocmask(SIG_SETMASK, [], [pid 303] <... close resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4508] rt_sigprocmask(SIG_SETMASK, [], [pid 4507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] rmdir("./4759" [pid 301] newfstatat(AT_FDCWD, "./4706/cgroup", [pid 4508] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4507] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4508] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, 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] unlink("./4706/cgroup" [pid 4508] <... bpf resumed>) = 3 [pid 4507] <... futex resumed>) = 0 [pid 303] <... rmdir resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 4508] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4507] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] mkdir("./4760", 0777 [pid 301] umount2("./4706/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4508] <... futex resumed>) = 0 [pid 4507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4508] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 301] newfstatat(AT_FDCWD, "./4706/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4706/cgroup.net" [pid 4507] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... mkdir resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 4508] <... futex resumed>) = 0 [pid 4507] <... futex resumed>) = 1 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 301] getdents64(3, [pid 4508] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4507] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4508] <... bpf resumed>) = 0 [pid 301] close(3 [pid 4508] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... close resumed>) = 0 ./strace-static-x86_64: Process 4509 attached [pid 4508] <... futex resumed>) = 0 [pid 4507] <... futex resumed>) = 0 [pid 301] rmdir("./4706" [pid 4509] set_robust_list(0x5555557fd6a0, 24 [pid 4508] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13957 [pid 301] <... rmdir resumed>) = 0 [pid 4509] <... set_robust_list resumed>) = 0 [pid 4507] <... mmap resumed>) = 0x7fba2fe76000 [pid 301] mkdir("./4707", 0777 [pid 4509] chdir("./4760" [pid 4507] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 301] <... mkdir resumed>) = 0 [pid 4509] <... chdir resumed>) = 0 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4507] <... mprotect resumed>) = 0 [pid 4509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13799 ./strace-static-x86_64: Process 4510 attached [pid 4509] setpgid(0, 0 [pid 4507] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4510] set_robust_list(0x5555557fd6a0, 24 [pid 4509] <... setpgid resumed>) = 0 [pid 4507] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4510] <... set_robust_list resumed>) = 0 [pid 4509] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4510] chdir("./4707" [pid 4509] <... symlink resumed>) = 0 [pid 4509] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu"./strace-static-x86_64: Process 4511 attached [pid 4510] <... chdir resumed>) = 0 [pid 4509] <... symlink resumed>) = 0 [pid 4511] set_robust_list(0x7fba2fe969a0, 24 [pid 4510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4509] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4507] <... clone3 resumed> => {parent_tid=[13671]}, 88) = 13671 [pid 4511] <... set_robust_list resumed>) = 0 [pid 4510] <... prctl resumed>) = 0 [pid 4509] <... symlink resumed>) = 0 [pid 4507] rt_sigprocmask(SIG_SETMASK, [], [pid 4511] rt_sigprocmask(SIG_SETMASK, [], [pid 4510] setpgid(0, 0 [pid 4509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4510] <... setpgid resumed>) = 0 [pid 4509] <... openat resumed>) = 3 [pid 4507] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4511] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4509] write(3, "1000", 4 [pid 4511] <... bpf resumed>) = 4 [pid 4510] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4509] <... write resumed>) = 4 [pid 4507] <... futex resumed>) = 0 [pid 4511] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4509] close(3 [pid 4511] <... futex resumed>) = 0 [pid 4510] <... symlink resumed>) = 0 [pid 4509] <... close resumed>) = 0 [pid 4507] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4511] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4510] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4509] symlink("/dev/binderfs", "./binderfs" [pid 4507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4510] <... symlink resumed>) = 0 [pid 4509] <... symlink resumed>) = 0 [pid 4507] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4510] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4509] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4508] <... futex resumed>) = 0 [pid 4509] <... futex resumed>) = 0 [pid 4508] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4498] <... close resumed>) = 0 [pid 4509] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4507] <... futex resumed>) = 1 [pid 4500] <... close resumed>) = 0 [pid 4498] close(6 [pid 4510] <... symlink resumed>) = 0 [pid 4509] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4507] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4500] close(6 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(7 [pid 4509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4510] <... openat resumed>) = 3 [pid 4509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4500] close(7 [pid 4510] write(3, "1000", 4 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4510] <... write resumed>) = 4 [pid 4509] <... mmap resumed>) = 0x7fba2fe97000 [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(8 [pid 4509] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4510] close(3 [pid 4509] <... mprotect resumed>) = 0 [pid 4500] close(8 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4510] <... close resumed>) = 0 [pid 4509] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4510] symlink("/dev/binderfs", "./binderfs" [pid 4509] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(9 [pid 4509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4510] <... symlink resumed>) = 0 [pid 4500] close(9 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4512 attached [pid 4510] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4509] <... clone3 resumed> => {parent_tid=[13958]}, 88) = 13958 [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(10 [pid 4512] set_robust_list(0x7fba2feb79a0, 24 [pid 4510] <... futex resumed>) = 0 [pid 4509] rt_sigprocmask(SIG_SETMASK, [], [pid 4500] close(10 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4512] <... set_robust_list resumed>) = 0 [pid 4510] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(11 [pid 4512] rt_sigprocmask(SIG_SETMASK, [], [pid 4509] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4510] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4509] <... futex resumed>) = 0 [pid 4500] close(11 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4512] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4510] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4509] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(12 [pid 4512] <... bpf resumed>) = 3 [pid 4510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4500] close(12 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4512] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(13 [pid 4512] <... futex resumed>) = 1 [pid 4510] <... mmap resumed>) = 0x7fba2fe97000 [pid 4509] <... futex resumed>) = 0 [pid 4500] close(13 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4512] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4510] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4509] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(14 [pid 4512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4510] <... mprotect resumed>) = 0 [pid 4509] <... futex resumed>) = 0 [pid 4500] close(14 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4512] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4510] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4509] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(15 [pid 4509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4512] <... bpf resumed>) = 0 [pid 4509] <... mmap resumed>) = 0x7fba2fe76000 [pid 4510] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4500] close(15 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4512] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4510] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4509] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4512] <... futex resumed>) = 0 [pid 4509] <... mprotect resumed>) = 0 [pid 4498] close(16./strace-static-x86_64: Process 4513 attached [pid 4509] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4513] set_robust_list(0x7fba2feb79a0, 24 [pid 4512] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4510] <... clone3 resumed> => {parent_tid=[13800]}, 88) = 13800 [pid 4509] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4500] close(16 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4513] <... set_robust_list resumed>) = 0 [pid 4510] rt_sigprocmask(SIG_SETMASK, [], [pid 4509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(17./strace-static-x86_64: Process 4514 attached [pid 4513] rt_sigprocmask(SIG_SETMASK, [], [pid 4510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4500] close(17 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4514] set_robust_list(0x7fba2fe969a0, 24 [pid 4513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4510] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4509] <... clone3 resumed> => {parent_tid=[13959]}, 88) = 13959 [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(18 [pid 4514] <... set_robust_list resumed>) = 0 [pid 4513] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4510] <... futex resumed>) = 0 [pid 4509] rt_sigprocmask(SIG_SETMASK, [], [pid 4500] close(18 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4514] rt_sigprocmask(SIG_SETMASK, [], [pid 4513] <... bpf resumed>) = 3 [pid 4510] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(19 [pid 4514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4513] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4509] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] close(19 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4514] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4513] <... futex resumed>) = 1 [pid 4510] <... futex resumed>) = 0 [pid 4509] <... futex resumed>) = 0 [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(20 [pid 4509] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4514] <... bpf resumed>) = 4 [pid 4513] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4510] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4514] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] close(20 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4513] <... bpf resumed>) = 0 [pid 4510] <... futex resumed>) = 0 [pid 4513] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(21 [pid 4514] <... futex resumed>) = 1 [pid 4509] <... futex resumed>) = 0 [pid 4514] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4513] <... futex resumed>) = 0 [pid 4510] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4509] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] close(21 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4513] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4512] <... futex resumed>) = 0 [pid 4510] <... futex resumed>) = 0 [pid 4509] <... futex resumed>) = 1 [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(22 [pid 4512] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4510] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4509] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4513] <... bpf resumed>) = 4 [pid 4500] close(22 [pid 4513] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4513] <... futex resumed>) = 1 [pid 4510] <... futex resumed>) = 0 [pid 4500] close(23 [pid 4498] close(23 [pid 4513] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4510] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4510] <... futex resumed>) = 0 [pid 4500] close(24 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4513] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4510] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(24 [pid 4500] close(25 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(25 [pid 4500] close(26 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(26 [pid 4500] close(27 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(27 [pid 4500] close(28 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(28 [pid 4500] close(29 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] close(29 [pid 4500] exit_group(0 [pid 4498] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4498] exit_group(0 [pid 4506] <... futex resumed>) = ? [pid 4505] <... futex resumed>) = ? [pid 4503] <... futex resumed>) = ? [pid 4502] <... futex resumed>) = ? [pid 4500] <... exit_group resumed>) = ? [pid 4498] <... exit_group resumed>) = ? [pid 4503] +++ exited with 0 +++ [pid 4506] +++ exited with 0 +++ [pid 4502] +++ exited with 0 +++ [pid 4500] +++ exited with 0 +++ [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4505] +++ exited with 0 +++ [pid 302] restart_syscall(<... resuming interrupted clone ...> [pid 4498] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13517, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 302] <... restart_syscall resumed>) = 0 [pid 302] umount2("./4727", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] openat(AT_FDCWD, "./4727", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 302] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 302] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] umount2("./4727/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4727/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4727/cgroup.cpu") = 0 [pid 299] umount2("./4615", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4727/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4727/binderfs", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4727/binderfs" [pid 299] openat(AT_FDCWD, "./4615", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] <... unlink resumed>) = 0 [pid 302] umount2("./4727/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... openat resumed>) = 3 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4727/cgroup", [pid 299] newfstatat(3, "", [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4727/cgroup" [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] <... unlink resumed>) = 0 [pid 302] umount2("./4727/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] getdents64(3, [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4727/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] unlink("./4727/cgroup.net" [pid 299] umount2("./4615/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... unlink resumed>) = 0 [pid 302] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] close(3 [pid 299] newfstatat(AT_FDCWD, "./4615/cgroup.cpu", [pid 302] <... close resumed>) = 0 [pid 302] rmdir("./4727" [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... rmdir resumed>) = 0 [pid 302] mkdir("./4728", 0777) = 0 [pid 299] unlink("./4615/cgroup.cpu" [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4515 attached [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13891 [pid 299] umount2("./4615/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4515] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4515] chdir("./4728" [pid 299] newfstatat(AT_FDCWD, "./4615/binderfs", [pid 4515] <... chdir resumed>) = 0 [pid 4515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4515] <... prctl resumed>) = 0 [pid 299] unlink("./4615/binderfs" [pid 4515] setpgid(0, 0) = 0 [pid 299] <... unlink resumed>) = 0 [pid 4515] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 299] umount2("./4615/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4515] <... symlink resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4515] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 299] newfstatat(AT_FDCWD, "./4615/cgroup", [pid 4515] <... symlink resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4515] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 299] unlink("./4615/cgroup" [pid 4515] <... symlink resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 4515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] umount2("./4615/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4515] <... openat resumed>) = 3 [pid 4515] write(3, "1000", 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4515] <... write resumed>) = 4 [pid 4513] <... bpf resumed>) = 5 [pid 4512] <... bpf resumed>) = 5 [pid 4508] <... bpf resumed>) = 5 [pid 299] newfstatat(AT_FDCWD, "./4615/cgroup.net", [pid 4515] close(3 [pid 4513] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4512] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4508] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4515] <... close resumed>) = 0 [pid 4513] <... futex resumed>) = 1 [pid 4512] <... futex resumed>) = 1 [pid 4510] <... futex resumed>) = 0 [pid 4509] <... futex resumed>) = 0 [pid 4508] <... futex resumed>) = 1 [pid 4507] <... futex resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4515] symlink("/dev/binderfs", "./binderfs" [pid 4513] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4512] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4510] close(3 [pid 4509] close(3 [pid 4508] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4507] close(3 [pid 299] unlink("./4615/cgroup.net" [pid 4515] <... symlink resumed>) = 0 [pid 4510] <... close resumed>) = 0 [pid 4509] <... close resumed>) = 0 [pid 4507] <... close resumed>) = 0 [pid 4510] close(4 [pid 4509] close(4 [pid 4507] close(4 [pid 299] <... unlink resumed>) = 0 [pid 4515] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4510] <... close resumed>) = 0 [pid 4509] <... close resumed>) = 0 [pid 4515] <... futex resumed>) = 0 [pid 4507] <... close resumed>) = 0 [pid 299] getdents64(3, [pid 4515] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4510] close(5 [pid 4509] close(5 [pid 4507] close(5 [pid 4515] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4510] <... close resumed>) = 0 [pid 4509] <... close resumed>) = 0 [pid 4507] <... close resumed>) = 0 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4510] close(6 [pid 4509] close(6 [pid 4507] close(6 [pid 299] close(3 [pid 4515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4510] close(7 [pid 4509] close(7 [pid 4507] close(7 [pid 299] <... close resumed>) = 0 [pid 4515] <... mmap resumed>) = 0x7fba2fe97000 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] rmdir("./4615" [pid 4515] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4510] close(8 [pid 4509] close(8 [pid 4507] close(8 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4510] close(9 [pid 4509] close(9 [pid 4507] close(9 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4510] close(10 [pid 4509] close(10 [pid 4507] close(10 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... rmdir resumed>) = 0 [pid 4510] close(11 [pid 4509] close(11 [pid 4507] close(11 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4510] close(12 [pid 4509] close(12 [pid 4507] close(12 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4510] close(13 [pid 4509] close(13 [pid 4507] close(13 [pid 4515] <... mprotect resumed>) = 0 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] mkdir("./4616", 0777 [pid 4515] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4510] close(14 [pid 4509] close(14 [pid 4507] close(14 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4510] close(15 [pid 4509] close(15 [pid 4507] close(15 [pid 4515] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... mkdir resumed>) = 0 [pid 4515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4510] close(16 [pid 4509] close(16 [pid 4507] close(16 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4516 attached [pid 4510] close(17 [pid 4509] close(17 [pid 4507] close(17 [pid 4516] set_robust_list(0x7fba2feb79a0, 24 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4516] <... set_robust_list resumed>) = 0 [pid 4510] close(18 [pid 4509] close(18 [pid 4507] close(18./strace-static-x86_64: Process 4517 attached [pid 4516] rt_sigprocmask(SIG_SETMASK, [], [pid 4515] <... clone3 resumed> => {parent_tid=[13892]}, 88) = 13892 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] set_robust_list(0x5555557fd6a0, 24 [pid 4516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4515] rt_sigprocmask(SIG_SETMASK, [], [pid 4510] close(19 [pid 4509] close(19 [pid 4507] close(19 [pid 4517] <... set_robust_list resumed>) = 0 [pid 4516] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13520 [pid 4517] chdir("./4616" [pid 4515] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4510] close(20 [pid 4509] close(20 [pid 4507] close(20 [pid 4517] <... chdir resumed>) = 0 [pid 4516] <... futex resumed>) = 0 [pid 4515] <... futex resumed>) = 1 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4516] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4515] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4510] close(21 [pid 4509] close(21 [pid 4507] close(21 [pid 4517] <... prctl resumed>) = 0 [pid 4516] <... bpf resumed>) = 3 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] setpgid(0, 0 [pid 4516] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4510] close(22 [pid 4509] close(22 [pid 4507] close(22 [pid 4517] <... setpgid resumed>) = 0 [pid 4516] <... futex resumed>) = 1 [pid 4515] <... futex resumed>) = 0 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4516] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4515] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4510] close(23 [pid 4509] close(23 [pid 4507] close(23 [pid 4517] <... symlink resumed>) = 0 [pid 4516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4515] <... futex resumed>) = 0 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4516] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4515] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4510] close(24 [pid 4509] close(24 [pid 4507] close(24 [pid 4517] <... symlink resumed>) = 0 [pid 4515] <... futex resumed>) = 0 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4516] <... bpf resumed>) = 0 [pid 4515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4510] close(25 [pid 4509] close(25 [pid 4507] close(25 [pid 4517] <... symlink resumed>) = 0 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4516] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4515] <... mmap resumed>) = 0x7fba2fe76000 [pid 4510] close(26 [pid 4509] close(26 [pid 4507] close(26 [pid 4517] <... openat resumed>) = 3 [pid 4516] <... futex resumed>) = 0 [pid 4515] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] write(3, "1000", 4 [pid 4516] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4515] <... mprotect resumed>) = 0 [pid 4510] close(27 [pid 4509] close(27 [pid 4507] close(27 [pid 4517] <... write resumed>) = 4 [pid 4515] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] close(3 [pid 4515] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4510] close(28 [pid 4509] close(28 [pid 4507] close(28 [pid 4517] <... close resumed>) = 0 [pid 4515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] symlink("/dev/binderfs", "./binderfs" [pid 4510] close(29 [pid 4509] close(29 [pid 4507] close(29./strace-static-x86_64: Process 4518 attached [pid 4517] <... symlink resumed>) = 0 [pid 4510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4509] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4507] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4518] set_robust_list(0x7fba2fe969a0, 24 [pid 4517] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4515] <... clone3 resumed> => {parent_tid=[13893]}, 88) = 13893 [pid 4510] exit_group(0 [pid 4509] exit_group(0 [pid 4507] exit_group(0 [pid 4518] <... set_robust_list resumed>) = 0 [pid 4517] <... futex resumed>) = 0 [pid 4515] rt_sigprocmask(SIG_SETMASK, [], [pid 4514] <... futex resumed>) = ? [pid 4513] <... futex resumed>) = ? [pid 4512] <... futex resumed>) = ? [pid 4511] <... futex resumed>) = ? [pid 4510] <... exit_group resumed>) = ? [pid 4509] <... exit_group resumed>) = ? [pid 4508] <... futex resumed>) = ? [pid 4507] <... exit_group resumed>) = ? [pid 4518] rt_sigprocmask(SIG_SETMASK, [], [pid 4517] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4514] +++ exited with 0 +++ [pid 4513] +++ exited with 0 +++ [pid 4512] +++ exited with 0 +++ [pid 4511] +++ exited with 0 +++ [pid 4510] +++ exited with 0 +++ [pid 4509] +++ exited with 0 +++ [pid 4508] +++ exited with 0 +++ [pid 4507] +++ exited with 0 +++ [pid 4518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4517] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4515] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13957, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13799, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13669, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4518] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4517] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4515] <... futex resumed>) = 0 [pid 4517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4517] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4517] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4517] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4519 attached [pid 4518] <... bpf resumed>) = 4 [pid 4515] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4519] set_robust_list(0x7fba2feb79a0, 24 [pid 4518] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4517] <... clone3 resumed> => {parent_tid=[13521]}, 88) = 13521 [pid 4515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4519] <... set_robust_list resumed>) = 0 [pid 4518] <... futex resumed>) = 0 [pid 4517] rt_sigprocmask(SIG_SETMASK, [], [pid 4515] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4519] rt_sigprocmask(SIG_SETMASK, [], [pid 4518] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4517] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4519] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4517] <... futex resumed>) = 0 [pid 4516] <... futex resumed>) = 0 [pid 4515] <... futex resumed>) = 1 [pid 4519] <... bpf resumed>) = 3 [pid 4517] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4516] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4515] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4519] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4519] <... futex resumed>) = 0 [pid 4517] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4519] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4517] <... futex resumed>) = 0 [pid 4519] <... bpf resumed>) = 0 [pid 4517] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4519] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4517] <... futex resumed>) = 0 [pid 4519] <... futex resumed>) = 0 [pid 4517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4519] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4517] <... mmap resumed>) = 0x7fba2fe76000 [pid 303] umount2("./4760", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4517] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 301] umount2("./4707", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4517] <... mprotect resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] umount2("./4653", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4517] rt_sigprocmask(SIG_BLOCK, ~[], [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4517] <... rt_sigprocmask resumed>[], 8) = 0 [pid 303] openat(AT_FDCWD, "./4760", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4517] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 301] openat(AT_FDCWD, "./4707", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4520 attached [pid 303] <... openat resumed>) = 3 [pid 301] <... openat resumed>) = 3 [pid 300] openat(AT_FDCWD, "./4653", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4520] set_robust_list(0x7fba2fe969a0, 24 [pid 4517] <... clone3 resumed> => {parent_tid=[13522]}, 88) = 13522 [pid 303] newfstatat(3, "", [pid 301] newfstatat(3, "", [pid 4520] <... set_robust_list resumed>) = 0 [pid 4517] rt_sigprocmask(SIG_SETMASK, [], [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] <... openat resumed>) = 3 [pid 4520] rt_sigprocmask(SIG_SETMASK, [], [pid 4517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] getdents64(3, [pid 301] getdents64(3, [pid 300] newfstatat(3, "", [pid 4520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4517] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4517] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4520] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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] umount2("./4760/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4707/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4520] <... bpf resumed>) = 4 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] getdents64(3, [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4707/cgroup.cpu", [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4520] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] newfstatat(AT_FDCWD, "./4760/cgroup.cpu", [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] umount2("./4653/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4520] <... futex resumed>) = 1 [pid 4517] <... futex resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4707/cgroup.cpu" [pid 4517] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4519] <... futex resumed>) = 0 [pid 4517] <... futex resumed>) = 1 [pid 303] unlink("./4760/cgroup.cpu" [pid 4519] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4517] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 303] <... unlink resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 4520] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4519] <... bpf resumed>) = 5 [pid 4516] <... bpf resumed>) = 5 [pid 303] umount2("./4760/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4707/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] newfstatat(AT_FDCWD, "./4653/cgroup.cpu", [pid 4519] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4516] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4519] <... futex resumed>) = 1 [pid 4517] <... futex resumed>) = 0 [pid 4516] <... futex resumed>) = 1 [pid 4515] <... futex resumed>) = 0 [pid 303] newfstatat(AT_FDCWD, "./4760/binderfs", [pid 301] newfstatat(AT_FDCWD, "./4707/binderfs", [pid 300] unlink("./4653/cgroup.cpu" [pid 4519] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4517] close(3 [pid 4516] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4515] close(3 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4517] <... close resumed>) = 0 [pid 4515] <... close resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 4517] close(4 [pid 303] unlink("./4760/binderfs" [pid 301] unlink("./4707/binderfs" [pid 4515] close(4 [pid 4517] <... close resumed>) = 0 [pid 300] umount2("./4653/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4517] close(5) = 0 [pid 303] <... unlink resumed>) = 0 [pid 4517] close(6 [pid 301] <... unlink resumed>) = 0 [pid 4517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4515] <... close resumed>) = 0 [pid 303] umount2("./4760/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4707/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4517] close(7 [pid 4515] close(5 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4653/binderfs", [pid 4517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4515] <... close resumed>) = 0 [pid 303] newfstatat(AT_FDCWD, "./4760/cgroup", [pid 4517] close(8 [pid 4515] close(6 [pid 301] newfstatat(AT_FDCWD, "./4707/cgroup", [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4653/binderfs" [pid 4517] close(9 [pid 4515] close(7 [pid 303] unlink("./4760/cgroup" [pid 301] unlink("./4707/cgroup" [pid 4517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] close(10) = -1 EBADF (Bad file descriptor) [pid 4517] close(11 [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... unlink resumed>) = 0 [pid 4517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] close(12 [pid 303] <... unlink resumed>) = 0 [pid 4517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] close(13) = -1 EBADF (Bad file descriptor) [pid 301] <... unlink resumed>) = 0 [pid 4517] close(14 [pid 4515] close(8 [pid 303] umount2("./4760/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4707/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4653/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4517] close(15 [pid 4515] close(9 [pid 303] newfstatat(AT_FDCWD, "./4760/cgroup.net", [pid 301] newfstatat(AT_FDCWD, "./4707/cgroup.net", [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] close(16) = -1 EBADF (Bad file descriptor) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4517] close(17 [pid 4515] close(10 [pid 303] unlink("./4760/cgroup.net" [pid 301] unlink("./4707/cgroup.net" [pid 300] newfstatat(AT_FDCWD, "./4653/cgroup", [pid 4517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] close(18 [pid 303] <... unlink resumed>) = 0 [pid 4517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] close(19) = -1 EBADF (Bad file descriptor) [pid 4517] close(20) = -1 EBADF (Bad file descriptor) [pid 301] <... unlink resumed>) = 0 [pid 4517] close(21 [pid 4515] close(11 [pid 303] getdents64(3, [pid 301] getdents64(3, [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] unlink("./4653/cgroup" [pid 4517] close(22 [pid 4515] close(12 [pid 303] close(3 [pid 301] close(3 [pid 4517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] close(23 [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... unlink resumed>) = 0 [pid 4517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... close resumed>) = 0 [pid 303] <... close resumed>) = 0 [pid 4517] close(24 [pid 4515] close(13 [pid 300] umount2("./4653/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] rmdir("./4760" [pid 301] rmdir("./4707" [pid 4517] close(25 [pid 4515] close(14 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] close(26) = -1 EBADF (Bad file descriptor) [pid 4517] close(27) = -1 EBADF (Bad file descriptor) [pid 4517] close(28) = -1 EBADF (Bad file descriptor) [pid 4517] close(29 [pid 303] <... rmdir resumed>) = 0 [pid 4517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4517] exit_group(0 [pid 4520] <... futex resumed>) = ? [pid 4519] <... futex resumed>) = ? [pid 4517] <... exit_group resumed>) = ? [pid 4520] +++ exited with 0 +++ [pid 4519] +++ exited with 0 +++ [pid 4517] +++ exited with 0 +++ [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] mkdir("./4761", 0777 [pid 301] <... rmdir resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4653/cgroup.net", [pid 4515] close(15 [pid 303] <... mkdir resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13520, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 301] mkdir("./4708", 0777 [pid 300] unlink("./4653/cgroup.net" [pid 4515] close(16./strace-static-x86_64: Process 4521 attached [pid 4521] set_robust_list(0x5555557fd6a0, 24 [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... unlink resumed>) = 0 [pid 4521] <... set_robust_list resumed>) = 0 [pid 4521] chdir("./4761") = 0 [pid 4521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 4521] setpgid(0, 0 [pid 4515] close(17 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13960 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] getdents64(3, [pid 4521] <... setpgid resumed>) = 0 [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4521] symlink("/syzcgroup/unified/syz4", "./cgroup"./strace-static-x86_64: Process 4522 attached ) = 0 [pid 4515] close(18 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] umount2("./4616", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4522] set_robust_list(0x5555557fd6a0, 24 [pid 4521] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13801 [pid 300] close(3 [pid 4522] <... set_robust_list resumed>) = 0 [pid 4521] <... symlink resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4521] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 4515] close(19 [pid 300] <... close resumed>) = 0 [pid 299] openat(AT_FDCWD, "./4616", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4522] chdir("./4708" [pid 4521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] rmdir("./4653" [pid 299] <... openat resumed>) = 3 [pid 4522] <... chdir resumed>) = 0 [pid 4521] <... openat resumed>) = 3 [pid 4515] close(20 [pid 4521] write(3, "1000", 4) = 4 [pid 4521] close(3) = 0 [pid 4521] symlink("/dev/binderfs", "./binderfs" [pid 4522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4521] <... symlink resumed>) = 0 [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... rmdir resumed>) = 0 [pid 299] newfstatat(3, "", [pid 4522] <... prctl resumed>) = 0 [pid 4521] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4515] close(21 [pid 300] mkdir("./4654", 0777 [pid 4522] setpgid(0, 0 [pid 4521] <... futex resumed>) = 0 [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4521] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4515] close(22 [pid 300] <... mkdir resumed>) = 0 [pid 299] getdents64(3, [pid 4522] <... setpgid resumed>) = 0 [pid 4521] <... mmap resumed>) = 0x7fba2fe97000 [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4521] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4522] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4521] <... mprotect resumed>) = 0 [pid 4515] close(23 [pid 4521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4523 attached [pid 4523] set_robust_list(0x7fba2feb79a0, 24 [pid 4521] <... clone3 resumed> => {parent_tid=[13961]}, 88) = 13961 ./strace-static-x86_64: Process 4524 attached [pid 4523] <... set_robust_list resumed>) = 0 [pid 4521] rt_sigprocmask(SIG_SETMASK, [], [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] umount2("./4616/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4524] set_robust_list(0x5555557fd6a0, 24 [pid 4523] rt_sigprocmask(SIG_SETMASK, [], [pid 4522] <... symlink resumed>) = 0 [pid 4521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4515] close(24 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13672 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4524] <... set_robust_list resumed>) = 0 [pid 4523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4522] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4521] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] newfstatat(AT_FDCWD, "./4616/cgroup.cpu", [pid 4524] chdir("./4654" [pid 4521] <... futex resumed>) = 0 [pid 4524] <... chdir resumed>) = 0 [pid 4523] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4521] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4515] close(25 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4523] <... bpf resumed>) = 3 [pid 4522] <... symlink resumed>) = 0 [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] unlink("./4616/cgroup.cpu" [pid 4524] <... prctl resumed>) = 0 [pid 4523] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4522] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4515] close(26 [pid 4524] setpgid(0, 0) = 0 [pid 299] <... unlink resumed>) = 0 [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4523] <... futex resumed>) = 1 [pid 4522] <... symlink resumed>) = 0 [pid 4521] <... futex resumed>) = 0 [pid 4515] close(27 [pid 299] umount2("./4616/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4524] <... symlink resumed>) = 0 [pid 4523] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4521] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4521] <... futex resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4524] <... symlink resumed>) = 0 [pid 4523] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4522] <... openat resumed>) = 3 [pid 4521] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4515] close(28 [pid 299] newfstatat(AT_FDCWD, "./4616/binderfs", [pid 4524] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4521] <... futex resumed>) = 0 [pid 4524] <... symlink resumed>) = 0 [pid 4523] <... bpf resumed>) = 0 [pid 4521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4522] write(3, "1000", 4 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4523] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4522] <... write resumed>) = 4 [pid 4521] <... mmap resumed>) = 0x7fba2fe76000 [pid 4515] close(29 [pid 299] unlink("./4616/binderfs" [pid 4524] <... openat resumed>) = 3 [pid 4523] <... futex resumed>) = 0 [pid 4522] close(3 [pid 4521] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4515] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] write(3, "1000", 4 [pid 4522] <... close resumed>) = 0 [pid 4521] <... mprotect resumed>) = 0 [pid 4515] exit_group(0 [pid 299] <... unlink resumed>) = 0 [pid 4524] <... write resumed>) = 4 [pid 4523] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4522] symlink("/dev/binderfs", "./binderfs" [pid 4521] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4516] <... futex resumed>) = ? [pid 4515] <... exit_group resumed>) = ? [pid 4524] close(3 [pid 4521] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4518] <... futex resumed>) = ? [pid 299] umount2("./4616/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4524] <... close resumed>) = 0 [pid 4522] <... symlink resumed>) = 0 [pid 4521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4516] +++ exited with 0 +++ ./strace-static-x86_64: Process 4525 attached [pid 4524] symlink("/dev/binderfs", "./binderfs" [pid 4525] set_robust_list(0x7fba2fe969a0, 24 [pid 4524] <... symlink resumed>) = 0 [pid 4521] <... clone3 resumed> => {parent_tid=[13962]}, 88) = 13962 [pid 4525] <... set_robust_list resumed>) = 0 [pid 4524] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] rt_sigprocmask(SIG_SETMASK, [], [pid 4518] +++ exited with 0 +++ [pid 4515] +++ exited with 0 +++ [pid 4525] rt_sigprocmask(SIG_SETMASK, [], [pid 4524] <... futex resumed>) = 0 [pid 4522] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13891, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4524] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4522] <... futex resumed>) = 0 [pid 4521] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] newfstatat(AT_FDCWD, "./4616/cgroup", [pid 4525] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4524] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4522] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4521] <... futex resumed>) = 0 [pid 4525] <... bpf resumed>) = 4 [pid 4524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4522] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4521] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 302] umount2("./4728", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4525] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4522] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4616/cgroup" [pid 4525] <... futex resumed>) = 0 [pid 4524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4521] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] openat(AT_FDCWD, "./4728", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4525] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4524] <... mmap resumed>) = 0x7fba2fe97000 [pid 4523] <... futex resumed>) = 0 [pid 4522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4521] <... futex resumed>) = 1 [pid 302] <... openat resumed>) = 3 [pid 299] <... unlink resumed>) = 0 [pid 4524] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4523] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4522] <... mmap resumed>) = 0x7fba2fe97000 [pid 4521] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 302] newfstatat(3, "", [pid 299] umount2("./4616/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4524] <... mprotect resumed>) = 0 [pid 4522] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4524] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4522] <... mprotect resumed>) = 0 [pid 302] getdents64(3, [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4524] <... rt_sigprocmask resumed>[], 8) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4522] rt_sigprocmask(SIG_BLOCK, ~[], [pid 302] umount2("./4728/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4526 attached [pid 4523] <... bpf resumed>) = 5 [pid 4522] <... rt_sigprocmask resumed>[], 8) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4616/cgroup.net", [pid 4526] set_robust_list(0x7fba2feb79a0, 24 [pid 4524] <... clone3 resumed> => {parent_tid=[13673]}, 88) = 13673 [pid 302] newfstatat(AT_FDCWD, "./4728/cgroup.cpu", [pid 4522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4526] <... set_robust_list resumed>) = 0 [pid 4524] rt_sigprocmask(SIG_SETMASK, [], [pid 4523] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 4527 attached [pid 4526] rt_sigprocmask(SIG_SETMASK, [], [pid 4524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4523] <... futex resumed>) = 1 [pid 4521] <... futex resumed>) = 0 [pid 302] unlink("./4728/cgroup.cpu" [pid 4527] set_robust_list(0x7fba2feb79a0, 24 [pid 4526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4524] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4523] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4522] <... clone3 resumed> => {parent_tid=[13802]}, 88) = 13802 [pid 4521] close(3 [pid 302] <... unlink resumed>) = 0 [pid 299] unlink("./4616/cgroup.net" [pid 4527] <... set_robust_list resumed>) = 0 [pid 4526] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4524] <... futex resumed>) = 0 [pid 4521] <... close resumed>) = 0 [pid 4522] rt_sigprocmask(SIG_SETMASK, [], [pid 302] umount2("./4728/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4527] rt_sigprocmask(SIG_SETMASK, [], [pid 4526] <... bpf resumed>) = 3 [pid 4524] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4521] close(4 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... unlink resumed>) = 0 [pid 4527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4526] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4522] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... close resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4728/binderfs", [pid 299] getdents64(3, [pid 4527] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4526] <... futex resumed>) = 0 [pid 4524] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4522] <... futex resumed>) = 0 [pid 4521] close(5 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4527] <... bpf resumed>) = 3 [pid 4526] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4524] <... futex resumed>) = 0 [pid 4522] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4521] <... close resumed>) = 0 [pid 302] unlink("./4728/binderfs" [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4527] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4526] <... bpf resumed>) = 0 [pid 4524] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4521] close(6 [pid 302] <... unlink resumed>) = 0 [pid 299] close(3 [pid 4527] <... futex resumed>) = 0 [pid 4526] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4524] <... futex resumed>) = 0 [pid 4522] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] umount2("./4728/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4527] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4526] <... futex resumed>) = 0 [pid 4524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4522] <... futex resumed>) = 0 [pid 4521] close(7 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... close resumed>) = 0 [pid 4527] <... bpf resumed>) = 0 [pid 4526] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4524] <... mmap resumed>) = 0x7fba2fe76000 [pid 4522] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] newfstatat(AT_FDCWD, "./4728/cgroup", [pid 4527] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4524] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4522] <... futex resumed>) = 0 [pid 4521] close(8 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] rmdir("./4616" [pid 4527] <... futex resumed>) = 0 [pid 4524] <... mprotect resumed>) = 0 [pid 4522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] unlink("./4728/cgroup" [pid 4527] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4524] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4521] close(9 [pid 302] <... unlink resumed>) = 0 [pid 4524] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4522] <... mmap resumed>) = 0x7fba2fe76000 [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] umount2("./4728/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... rmdir resumed>) = 0 [pid 4524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4522] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4521] close(10 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] mkdir("./4617", 0777./strace-static-x86_64: Process 4528 attached [pid 4522] <... mprotect resumed>) = 0 [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] newfstatat(AT_FDCWD, "./4728/cgroup.net", [pid 4528] set_robust_list(0x7fba2fe969a0, 24 [pid 4524] <... clone3 resumed> => {parent_tid=[13674]}, 88) = 13674 [pid 4521] close(11 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4524] rt_sigprocmask(SIG_SETMASK, [], [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] unlink("./4728/cgroup.net" [pid 4528] <... set_robust_list resumed>) = 0 [pid 4524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4522] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4521] close(12 [pid 302] <... unlink resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 4528] rt_sigprocmask(SIG_SETMASK, [], [pid 4524] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4522] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] getdents64(3, [pid 4528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4524] <... futex resumed>) = 0 [pid 4522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4521] close(13 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4528] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4524] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] close(3./strace-static-x86_64: Process 4529 attached [pid 4521] close(14 [pid 302] <... close resumed>) = 0 [pid 4529] set_robust_list(0x7fba2fe969a0, 24 [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] rmdir("./4728"./strace-static-x86_64: Process 4530 attached [pid 4529] <... set_robust_list resumed>) = 0 [pid 4521] close(15 [pid 302] <... rmdir resumed>) = 0 [pid 4529] rt_sigprocmask(SIG_SETMASK, [], [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] mkdir("./4729", 0777 [pid 4530] set_robust_list(0x5555557fd6a0, 24 [pid 4529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4528] <... bpf resumed>) = 4 [pid 4522] <... clone3 resumed> => {parent_tid=[13803]}, 88) = 13803 [pid 4521] close(16 [pid 302] <... mkdir resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13523 [pid 4530] <... set_robust_list resumed>) = 0 [pid 4529] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4528] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4522] rt_sigprocmask(SIG_SETMASK, [], [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4530] chdir("./4617" [pid 4528] <... futex resumed>) = 1 [pid 4524] <... futex resumed>) = 0 [pid 4522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4521] close(17./strace-static-x86_64: Process 4531 attached [pid 4530] <... chdir resumed>) = 0 [pid 4528] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4524] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4522] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13894 [pid 4531] set_robust_list(0x5555557fd6a0, 24 [pid 4530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4529] <... futex resumed>) = 0 [pid 4526] <... futex resumed>) = 0 [pid 4524] <... futex resumed>) = 1 [pid 4522] <... futex resumed>) = 1 [pid 4521] close(18 [pid 4531] <... set_robust_list resumed>) = 0 [pid 4530] <... prctl resumed>) = 0 [pid 4529] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4526] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4524] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4522] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4531] chdir("./4729" [pid 4530] setpgid(0, 0 [pid 4529] <... bpf resumed>) = 4 [pid 4521] close(19 [pid 4531] <... chdir resumed>) = 0 [pid 4530] <... setpgid resumed>) = 0 [pid 4529] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4531] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4529] <... futex resumed>) = 1 [pid 4522] <... futex resumed>) = 0 [pid 4521] close(20 [pid 4529] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4522] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4531] <... prctl resumed>) = 0 [pid 4530] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4527] <... futex resumed>) = 0 [pid 4522] <... futex resumed>) = 1 [pid 4521] close(21 [pid 4531] setpgid(0, 0 [pid 4527] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4522] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4531] <... setpgid resumed>) = 0 [pid 4530] <... symlink resumed>) = 0 [pid 4521] close(22) = -1 EBADF (Bad file descriptor) [pid 4531] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4521] close(23 [pid 4530] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4521] close(24 [pid 4531] <... symlink resumed>) = 0 [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4521] close(25) = -1 EBADF (Bad file descriptor) [pid 4531] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4530] <... symlink resumed>) = 0 [pid 4521] close(26) = -1 EBADF (Bad file descriptor) [pid 4521] close(27) = -1 EBADF (Bad file descriptor) [pid 4531] <... symlink resumed>) = 0 [pid 4530] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4521] close(28 [pid 4531] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4521] close(29 [pid 4530] <... symlink resumed>) = 0 [pid 4521] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4521] exit_group(0 [pid 4531] <... symlink resumed>) = 0 [pid 4530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4525] <... futex resumed>) = ? [pid 4523] <... futex resumed>) = ? [pid 4521] <... exit_group resumed>) = ? [pid 4531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4530] <... openat resumed>) = 3 [pid 4525] +++ exited with 0 +++ [pid 4523] +++ exited with 0 +++ [pid 4521] +++ exited with 0 +++ [pid 4530] write(3, "1000", 4 [pid 4531] <... openat resumed>) = 3 [pid 4530] <... write resumed>) = 4 [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4531] write(3, "1000", 4) = 4 [pid 4530] close(3 [pid 4531] close(3 [pid 4530] <... close resumed>) = 0 [pid 4531] <... close resumed>) = 0 [pid 4530] symlink("/dev/binderfs", "./binderfs" [pid 4531] symlink("/dev/binderfs", "./binderfs" [pid 303] umount2("./4761", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4530] <... symlink resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4531] <... symlink resumed>) = 0 [pid 303] openat(AT_FDCWD, "./4761", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4531] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4530] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] <... futex resumed>) = 0 [pid 303] <... openat resumed>) = 3 [pid 4530] <... futex resumed>) = 0 [pid 4531] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 303] newfstatat(3, "", [pid 4530] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4531] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4530] <... rt_sigaction resumed>NULL, 8) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4531] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] getdents64(3, [pid 4531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4530] <... mmap resumed>) = 0x7fba2fe97000 [pid 4531] <... mmap resumed>) = 0x7fba2fe97000 [pid 4530] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 303] umount2("./4761/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4531] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4530] <... mprotect resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4531] <... mprotect resumed>) = 0 [pid 4530] rt_sigprocmask(SIG_BLOCK, ~[], [pid 303] newfstatat(AT_FDCWD, "./4761/cgroup.cpu", [pid 4531] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4530] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4531] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4531] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4532 attached [pid 303] unlink("./4761/cgroup.cpu"./strace-static-x86_64: Process 4533 attached [pid 4532] set_robust_list(0x7fba2feb79a0, 24 [pid 4530] <... clone3 resumed> => {parent_tid=[13524]}, 88) = 13524 [pid 4533] set_robust_list(0x7fba2feb79a0, 24 [pid 4532] <... set_robust_list resumed>) = 0 [pid 303] <... unlink resumed>) = 0 [pid 4530] rt_sigprocmask(SIG_SETMASK, [], [pid 4533] <... set_robust_list resumed>) = 0 [pid 4532] rt_sigprocmask(SIG_SETMASK, [], [pid 4531] <... clone3 resumed> => {parent_tid=[13895]}, 88) = 13895 [pid 4530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] umount2("./4761/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4533] rt_sigprocmask(SIG_SETMASK, [], [pid 4532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4531] rt_sigprocmask(SIG_SETMASK, [], [pid 4530] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4532] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4530] <... futex resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4533] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4532] <... bpf resumed>) = 3 [pid 4531] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4530] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] newfstatat(AT_FDCWD, "./4761/binderfs", [pid 4533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4532] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4533] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4532] <... futex resumed>) = 0 [pid 4531] <... futex resumed>) = 0 [pid 4530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4533] <... bpf resumed>) = 3 [pid 4532] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4533] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4530] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] unlink("./4761/binderfs" [pid 4533] <... futex resumed>) = 0 [pid 4532] <... futex resumed>) = 0 [pid 4531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4530] <... futex resumed>) = 1 [pid 4533] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 303] <... unlink resumed>) = 0 [pid 4533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4532] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4531] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4530] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] umount2("./4761/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4533] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32) = 0 [pid 4532] <... bpf resumed>) = 0 [pid 4531] <... futex resumed>) = 0 [pid 4530] <... futex resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4533] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4532] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 303] newfstatat(AT_FDCWD, "./4761/cgroup", [pid 4533] <... futex resumed>) = 0 [pid 4532] <... futex resumed>) = 0 [pid 4531] <... futex resumed>) = 0 [pid 4530] <... mmap resumed>) = 0x7fba2fe76000 [pid 4533] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4532] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4531] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4530] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4533] <... bpf resumed>) = 4 [pid 4530] <... mprotect resumed>) = 0 [pid 4527] <... bpf resumed>) = 5 [pid 4526] <... bpf resumed>) = 5 [pid 303] unlink("./4761/cgroup" [pid 4533] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4530] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4527] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4526] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4533] <... futex resumed>) = 1 [pid 4531] <... futex resumed>) = 0 [pid 4527] <... futex resumed>) = 1 [pid 4522] <... futex resumed>) = 0 [pid 303] <... unlink resumed>) = 0 [pid 4533] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4531] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4530] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4527] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4526] <... futex resumed>) = 1 [pid 4524] <... futex resumed>) = 0 [pid 4522] close(3 [pid 303] umount2("./4761/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4531] <... futex resumed>) = 0 [pid 4530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4526] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4524] close(3 [pid 4522] <... close resumed>) = 0 [pid 4533] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4531] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4522] close(4 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4534 attached [pid 4533] <... bpf resumed>) = 5 [pid 4524] <... close resumed>) = 0 [pid 4522] <... close resumed>) = 0 [pid 303] newfstatat(AT_FDCWD, "./4761/cgroup.net", [pid 4534] set_robust_list(0x7fba2fe969a0, 24 [pid 4533] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4530] <... clone3 resumed> => {parent_tid=[13525]}, 88) = 13525 [pid 4524] close(4 [pid 4522] close(5 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4534] <... set_robust_list resumed>) = 0 [pid 4533] <... futex resumed>) = 1 [pid 4531] <... futex resumed>) = 0 [pid 4530] rt_sigprocmask(SIG_SETMASK, [], [pid 4524] <... close resumed>) = 0 [pid 4522] <... close resumed>) = 0 [pid 303] unlink("./4761/cgroup.net" [pid 4534] rt_sigprocmask(SIG_SETMASK, [], [pid 4533] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4531] close(3 [pid 4530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4524] close(5 [pid 4522] close(6 [pid 4531] <... close resumed>) = 0 [pid 4522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4531] close(4 [pid 4530] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4522] close(7 [pid 303] <... unlink resumed>) = 0 [pid 4534] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4531] <... close resumed>) = 0 [pid 4530] <... futex resumed>) = 0 [pid 4522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] getdents64(3, [pid 4531] close(5 [pid 4522] close(8 [pid 4530] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4522] close(9) = -1 EBADF (Bad file descriptor) [pid 4522] close(10) = -1 EBADF (Bad file descriptor) [pid 4522] close(11) = -1 EBADF (Bad file descriptor) [pid 4522] close(12) = -1 EBADF (Bad file descriptor) [pid 4522] close(13) = -1 EBADF (Bad file descriptor) [pid 4522] close(14 [pid 4534] <... bpf resumed>) = 4 [pid 4522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4522] close(15 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4534] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] close(3 [pid 4534] <... futex resumed>) = 1 [pid 4530] <... futex resumed>) = 0 [pid 4522] close(16 [pid 4534] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4530] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... close resumed>) = 0 [pid 4532] <... futex resumed>) = 0 [pid 4530] <... futex resumed>) = 1 [pid 4522] close(17) = -1 EBADF (Bad file descriptor) [pid 4522] close(18 [pid 303] rmdir("./4761" [pid 4532] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4530] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4522] close(19) = -1 EBADF (Bad file descriptor) [pid 4522] close(20) = -1 EBADF (Bad file descriptor) [pid 4522] close(21) = -1 EBADF (Bad file descriptor) [pid 4522] close(22) = -1 EBADF (Bad file descriptor) [pid 4522] close(23 [pid 303] <... rmdir resumed>) = 0 [pid 4522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4522] close(24 [pid 303] mkdir("./4762", 0777 [pid 4522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4522] close(25) = -1 EBADF (Bad file descriptor) [pid 4522] close(26) = -1 EBADF (Bad file descriptor) [pid 4522] close(27) = -1 EBADF (Bad file descriptor) [pid 4522] close(28) = -1 EBADF (Bad file descriptor) [pid 4522] close(29 [pid 303] <... mkdir resumed>) = 0 [pid 4522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4522] exit_group(0 [pid 4529] <... futex resumed>) = ? [pid 4527] <... futex resumed>) = ? [pid 4522] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 4535 attached [pid 4529] +++ exited with 0 +++ [pid 4527] +++ exited with 0 +++ [pid 4522] +++ exited with 0 +++ [pid 4535] set_robust_list(0x5555557fd6a0, 24 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13963 [pid 4535] <... set_robust_list resumed>) = 0 [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4535] chdir("./4762") = 0 [pid 4535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 301] umount2("./4708", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4535] <... prctl resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4535] setpgid(0, 0 [pid 301] openat(AT_FDCWD, "./4708", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4535] <... setpgid resumed>) = 0 [pid 301] <... openat resumed>) = 3 [pid 4535] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 301] newfstatat(3, "", [pid 4535] <... symlink resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4535] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 301] getdents64(3, [pid 4535] <... symlink resumed>) = 0 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4535] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 301] umount2("./4708/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4535] <... symlink resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 301] newfstatat(AT_FDCWD, "./4708/cgroup.cpu", [pid 4535] <... openat resumed>) = 3 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4535] write(3, "1000", 4 [pid 301] unlink("./4708/cgroup.cpu" [pid 4535] <... write resumed>) = 4 [pid 4535] close(3 [pid 301] <... unlink resumed>) = 0 [pid 4535] <... close resumed>) = 0 [pid 301] umount2("./4708/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4535] symlink("/dev/binderfs", "./binderfs" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4535] <... symlink resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4708/binderfs", [pid 4535] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4535] <... futex resumed>) = 0 [pid 301] unlink("./4708/binderfs" [pid 4535] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 301] <... unlink resumed>) = 0 [pid 4535] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 301] umount2("./4708/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4535] <... mmap resumed>) = 0x7fba2fe97000 [pid 301] newfstatat(AT_FDCWD, "./4708/cgroup", [pid 4535] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4535] <... mprotect resumed>) = 0 [pid 301] unlink("./4708/cgroup" [pid 4535] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4536 attached [pid 301] <... unlink resumed>) = 0 [pid 4536] set_robust_list(0x7fba2feb79a0, 24 [pid 4535] <... clone3 resumed> => {parent_tid=[13964]}, 88) = 13964 [pid 4536] <... set_robust_list resumed>) = 0 [pid 4535] rt_sigprocmask(SIG_SETMASK, [], [pid 301] umount2("./4708/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4536] rt_sigprocmask(SIG_SETMASK, [], [pid 4535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4535] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4536] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4535] <... futex resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4708/cgroup.net", [pid 4536] <... bpf resumed>) = 3 [pid 4535] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4536] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4536] <... futex resumed>) = 0 [pid 4535] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] unlink("./4708/cgroup.net" [pid 4536] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4535] <... futex resumed>) = 0 [pid 4536] <... bpf resumed>) = 0 [pid 4535] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... unlink resumed>) = 0 [pid 4536] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4535] <... futex resumed>) = 0 [pid 4536] <... futex resumed>) = 0 [pid 4535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] getdents64(3, [pid 4536] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4535] <... mmap resumed>) = 0x7fba2fe76000 [pid 4535] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4535] <... mprotect resumed>) = 0 [pid 4535] rt_sigprocmask(SIG_BLOCK, ~[], [pid 301] close(3 [pid 4535] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4535] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 301] <... close resumed>) = 0 ./strace-static-x86_64: Process 4537 attached [pid 301] rmdir("./4708" [pid 4537] set_robust_list(0x7fba2fe969a0, 24 [pid 4535] <... clone3 resumed> => {parent_tid=[13965]}, 88) = 13965 [pid 4535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4535] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4537] <... set_robust_list resumed>) = 0 [pid 4535] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] <... rmdir resumed>) = 0 [pid 4537] rt_sigprocmask(SIG_SETMASK, [], [pid 301] mkdir("./4709", 0777 [pid 4537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4537] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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] <... mkdir resumed>) = 0 [pid 4537] <... bpf resumed>) = 4 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4537] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 4538 attached ) = 1 [pid 4535] <... futex resumed>) = 0 [pid 4538] set_robust_list(0x5555557fd6a0, 24 [pid 4537] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13804 [pid 4538] <... set_robust_list resumed>) = 0 [pid 4535] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] chdir("./4709") = 0 [pid 4536] <... futex resumed>) = 0 [pid 4535] <... futex resumed>) = 1 [pid 4538] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4536] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4538] <... prctl resumed>) = 0 [pid 4535] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4538] setpgid(0, 0) = 0 [pid 4538] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4538] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4538] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4538] write(3, "1000", 4) = 4 [pid 4538] close(3) = 0 [pid 4538] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4538] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4538] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4538] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4538] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4538] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4539 attached [pid 4539] set_robust_list(0x7fba2feb79a0, 24 [pid 4538] <... clone3 resumed> => {parent_tid=[13805]}, 88) = 13805 [pid 4539] <... set_robust_list resumed>) = 0 [pid 4538] rt_sigprocmask(SIG_SETMASK, [], [pid 4539] rt_sigprocmask(SIG_SETMASK, [], [pid 4538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4531] <... close resumed>) = 0 [pid 4524] <... close resumed>) = 0 [pid 4539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4538] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] close(6 [pid 4524] close(6 [pid 4538] <... futex resumed>) = 0 [pid 4539] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4539] <... bpf resumed>) = 3 [pid 4538] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4531] close(7 [pid 4539] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] close(7 [pid 4539] <... futex resumed>) = 1 [pid 4538] <... futex resumed>) = 0 [pid 4531] close(8 [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4539] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4538] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] close(8 [pid 4538] <... futex resumed>) = 0 [pid 4531] close(9 [pid 4538] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4538] <... futex resumed>) = 0 [pid 4531] close(10 [pid 4539] <... bpf resumed>) = 0 [pid 4538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4539] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] <... mmap resumed>) = 0x7fba2fe76000 [pid 4531] close(11 [pid 4524] close(9 [pid 4539] <... futex resumed>) = 0 [pid 4538] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4539] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4538] <... mprotect resumed>) = 0 [pid 4531] close(12 [pid 4538] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] close(10 [pid 4538] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4531] close(13 [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] close(11./strace-static-x86_64: Process 4540 attached [pid 4531] close(14 [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4540] set_robust_list(0x7fba2fe969a0, 24 [pid 4538] <... clone3 resumed> => {parent_tid=[13806]}, 88) = 13806 [pid 4531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] close(12 [pid 4540] <... set_robust_list resumed>) = 0 [pid 4538] rt_sigprocmask(SIG_SETMASK, [], [pid 4531] close(15 [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4540] rt_sigprocmask(SIG_SETMASK, [], [pid 4538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] close(13 [pid 4540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4538] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] close(16 [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4540] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4538] <... futex resumed>) = 0 [pid 4531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] close(14 [pid 4538] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4531] close(17) = -1 EBADF (Bad file descriptor) [pid 4531] close(18) = -1 EBADF (Bad file descriptor) [pid 4531] close(19) = -1 EBADF (Bad file descriptor) [pid 4531] close(20) = -1 EBADF (Bad file descriptor) [pid 4531] close(21) = -1 EBADF (Bad file descriptor) [pid 4540] <... bpf resumed>) = 4 [pid 4531] close(22 [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4540] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] close(15 [pid 4540] <... futex resumed>) = 1 [pid 4538] <... futex resumed>) = 0 [pid 4531] close(23 [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4540] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4538] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4539] <... futex resumed>) = 0 [pid 4538] <... futex resumed>) = 1 [pid 4531] close(24 [pid 4524] close(16 [pid 4539] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4538] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4531] close(25) = -1 EBADF (Bad file descriptor) [pid 4524] close(17 [pid 4531] close(26 [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] close(18 [pid 4531] close(27 [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4531] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] close(19 [pid 4531] close(28) = -1 EBADF (Bad file descriptor) [pid 4531] close(29) = -1 EBADF (Bad file descriptor) [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4531] exit_group(0 [pid 4524] close(20 [pid 4533] <... futex resumed>) = ? [pid 4531] <... exit_group resumed>) = ? [pid 4533] +++ exited with 0 +++ [pid 4531] +++ exited with 0 +++ [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] close(21) = -1 EBADF (Bad file descriptor) [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4524] close(22) = -1 EBADF (Bad file descriptor) [pid 4524] close(23 [pid 302] umount2("./4729", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4524] close(24 [pid 302] openat(AT_FDCWD, "./4729", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4524] close(25 [pid 302] <... openat resumed>) = 3 [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] newfstatat(3, "", [pid 4524] close(26) = -1 EBADF (Bad file descriptor) [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4524] close(27 [pid 302] getdents64(3, [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4524] close(28 [pid 302] umount2("./4729/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4524] close(29) = -1 EBADF (Bad file descriptor) [pid 302] newfstatat(AT_FDCWD, "./4729/cgroup.cpu", [pid 4524] exit_group(0 [pid 4526] <... futex resumed>) = ? [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4528] <... futex resumed>) = ? [pid 4524] <... exit_group resumed>) = ? [pid 302] unlink("./4729/cgroup.cpu" [pid 4526] +++ exited with 0 +++ [pid 4528] +++ exited with 0 +++ [pid 4524] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] umount2("./4654", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4729/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] openat(AT_FDCWD, "./4654", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] newfstatat(AT_FDCWD, "./4729/binderfs", [pid 300] <... openat resumed>) = 3 [pid 300] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] getdents64(3, [pid 302] unlink("./4729/binderfs" [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] umount2("./4654/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4654/cgroup.cpu", [pid 302] <... unlink resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] umount2("./4729/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] unlink("./4654/cgroup.cpu" [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... unlink resumed>) = 0 [pid 300] umount2("./4654/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4729/cgroup", [pid 300] newfstatat(AT_FDCWD, "./4654/binderfs", [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4729/cgroup" [pid 300] unlink("./4654/binderfs" [pid 302] <... unlink resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 302] umount2("./4729/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4654/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4729/cgroup.net", [pid 300] newfstatat(AT_FDCWD, "./4654/cgroup", [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4729/cgroup.net" [pid 300] unlink("./4654/cgroup") = 0 [pid 300] umount2("./4654/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] <... unlink resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4654/cgroup.net", [pid 302] getdents64(3, [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] unlink("./4654/cgroup.net" [pid 302] close(3 [pid 300] <... unlink resumed>) = 0 [pid 300] getdents64(3, [pid 302] <... close resumed>) = 0 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] rmdir("./4729" [pid 300] close(3) = 0 [pid 300] rmdir("./4654" [pid 302] <... rmdir resumed>) = 0 [pid 300] <... rmdir resumed>) = 0 [pid 302] mkdir("./4730", 0777 [pid 300] mkdir("./4655", 0777 [pid 302] <... mkdir resumed>) = 0 [pid 300] <... mkdir resumed>) = 0 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4542 attached ./strace-static-x86_64: Process 4541 attached [pid 4542] set_robust_list(0x5555557fd6a0, 24 [pid 4541] set_robust_list(0x5555557fd6a0, 24 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13896 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13675 [pid 4542] <... set_robust_list resumed>) = 0 [pid 4541] <... set_robust_list resumed>) = 0 [pid 4542] chdir("./4730" [pid 4541] chdir("./4655" [pid 4542] <... chdir resumed>) = 0 [pid 4541] <... chdir resumed>) = 0 [pid 4542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4542] <... prctl resumed>) = 0 [pid 4541] <... prctl resumed>) = 0 [pid 4542] setpgid(0, 0 [pid 4541] setpgid(0, 0 [pid 4542] <... setpgid resumed>) = 0 [pid 4541] <... setpgid resumed>) = 0 [pid 4542] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4541] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4542] <... symlink resumed>) = 0 [pid 4541] <... symlink resumed>) = 0 [pid 4542] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4541] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4542] <... symlink resumed>) = 0 [pid 4541] <... symlink resumed>) = 0 [pid 4542] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4541] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4542] <... symlink resumed>) = 0 [pid 4541] <... symlink resumed>) = 0 [pid 4542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4542] <... openat resumed>) = 3 [pid 4541] <... openat resumed>) = 3 [pid 4542] write(3, "1000", 4 [pid 4541] write(3, "1000", 4 [pid 4542] <... write resumed>) = 4 [pid 4541] <... write resumed>) = 4 [pid 4542] close(3 [pid 4541] close(3 [pid 4542] <... close resumed>) = 0 [pid 4541] <... close resumed>) = 0 [pid 4542] symlink("/dev/binderfs", "./binderfs" [pid 4541] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4541] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4542] <... symlink resumed>) = 0 [pid 4541] <... futex resumed>) = 0 [pid 4541] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4542] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4541] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4542] <... futex resumed>) = 0 [pid 4541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4542] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4542] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4541] <... mmap resumed>) = 0x7fba2fe97000 [pid 4542] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4541] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4541] <... mprotect resumed>) = 0 [pid 4542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4541] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4542] <... mmap resumed>) = 0x7fba2fe97000 [pid 4541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4539] <... bpf resumed>) = 5 [pid 4536] <... bpf resumed>) = 5 [pid 4532] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 4543 attached [pid 4539] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4536] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4532] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4543] set_robust_list(0x7fba2feb79a0, 24 [pid 4542] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4541] <... clone3 resumed> => {parent_tid=[13676]}, 88) = 13676 [pid 4539] <... futex resumed>) = 1 [pid 4538] <... futex resumed>) = 0 [pid 4536] <... futex resumed>) = 1 [pid 4535] <... futex resumed>) = 0 [pid 4532] <... futex resumed>) = 1 [pid 4530] <... futex resumed>) = 0 [pid 4543] <... set_robust_list resumed>) = 0 [pid 4542] <... mprotect resumed>) = 0 [pid 4541] rt_sigprocmask(SIG_SETMASK, [], [pid 4539] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4538] close(3 [pid 4536] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4535] close(3 [pid 4532] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4530] close(3 [pid 4543] rt_sigprocmask(SIG_SETMASK, [], [pid 4542] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4538] <... close resumed>) = 0 [pid 4535] <... close resumed>) = 0 [pid 4530] <... close resumed>) = 0 [pid 4543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4542] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4541] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] close(4 [pid 4535] close(4 [pid 4530] close(4 [pid 4543] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4541] <... futex resumed>) = 0 [pid 4538] <... close resumed>) = 0 [pid 4535] <... close resumed>) = 0 [pid 4530] <... close resumed>) = 0 ./strace-static-x86_64: Process 4544 attached [pid 4543] <... bpf resumed>) = 3 [pid 4541] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4538] close(5 [pid 4535] close(5 [pid 4530] close(5 [pid 4544] set_robust_list(0x7fba2feb79a0, 24 [pid 4543] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4542] <... clone3 resumed> => {parent_tid=[13897]}, 88) = 13897 [pid 4541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4538] <... close resumed>) = 0 [pid 4543] <... futex resumed>) = 0 [pid 4541] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] close(6 [pid 4535] <... close resumed>) = 0 [pid 4544] <... set_robust_list resumed>) = 0 [pid 4543] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4542] rt_sigprocmask(SIG_SETMASK, [], [pid 4541] <... futex resumed>) = 0 [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] close(6 [pid 4530] <... close resumed>) = 0 [pid 4544] rt_sigprocmask(SIG_SETMASK, [], [pid 4543] <... bpf resumed>) = 0 [pid 4542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4541] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] close(7 [pid 4544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4543] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4542] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4541] <... futex resumed>) = 0 [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(6 [pid 4544] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4543] <... futex resumed>) = 0 [pid 4542] <... futex resumed>) = 0 [pid 4541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4538] close(8 [pid 4535] close(7 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4544] <... bpf resumed>) = 3 [pid 4543] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4542] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4541] <... mmap resumed>) = 0x7fba2fe76000 [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(7 [pid 4544] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4541] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4538] close(9 [pid 4535] close(8 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4544] <... futex resumed>) = 0 [pid 4542] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4541] <... mprotect resumed>) = 0 [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(8 [pid 4544] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4542] <... futex resumed>) = 0 [pid 4541] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4538] close(10 [pid 4535] close(9 [pid 4542] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4541] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4538] close(11./strace-static-x86_64: Process 4545 attached [pid 4544] <... bpf resumed>) = 0 [pid 4542] <... futex resumed>) = 0 [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(9 [pid 4545] set_robust_list(0x7fba2fe969a0, 24 [pid 4544] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4541] <... clone3 resumed> => {parent_tid=[13677]}, 88) = 13677 [pid 4538] close(12 [pid 4535] close(10 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4545] <... set_robust_list resumed>) = 0 [pid 4544] <... futex resumed>) = 0 [pid 4542] <... mmap resumed>) = 0x7fba2fe76000 [pid 4541] rt_sigprocmask(SIG_SETMASK, [], [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(10 [pid 4545] rt_sigprocmask(SIG_SETMASK, [], [pid 4544] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4542] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4538] close(13 [pid 4535] close(11 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4542] <... mprotect resumed>) = 0 [pid 4541] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(11 [pid 4545] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4542] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4541] <... futex resumed>) = 0 [pid 4538] close(14 [pid 4535] close(12 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4538] close(15) = -1 EBADF (Bad file descriptor) [pid 4538] close(16) = -1 EBADF (Bad file descriptor) [pid 4538] close(17) = -1 EBADF (Bad file descriptor) [pid 4545] <... bpf resumed>) = 4 [pid 4538] close(18 [pid 4545] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4542] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(12 [pid 4545] <... futex resumed>) = 1 [pid 4542] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4541] <... futex resumed>) = 0 [pid 4538] close(19 [pid 4535] close(13 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4546 attached [pid 4543] <... futex resumed>) = 0 [pid 4541] <... futex resumed>) = 1 [pid 4545] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4538] close(20 [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(13 [pid 4546] set_robust_list(0x7fba2fe969a0, 24 [pid 4543] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4542] <... clone3 resumed> => {parent_tid=[13898]}, 88) = 13898 [pid 4541] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] close(14 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4546] <... set_robust_list resumed>) = 0 [pid 4542] rt_sigprocmask(SIG_SETMASK, [], [pid 4538] close(21 [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(14 [pid 4546] rt_sigprocmask(SIG_SETMASK, [], [pid 4542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] close(15 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4542] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] close(22 [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(15 [pid 4546] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4542] <... futex resumed>) = 0 [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] close(16 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4546] <... bpf resumed>) = 4 [pid 4542] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4538] close(23 [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(16 [pid 4546] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] close(17 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4546] <... futex resumed>) = 1 [pid 4542] <... futex resumed>) = 0 [pid 4538] close(24 [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(17 [pid 4546] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4542] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] close(18 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4544] <... futex resumed>) = 0 [pid 4542] <... futex resumed>) = 1 [pid 4538] close(25 [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(18 [pid 4544] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4542] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] close(19 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4538] close(26) = -1 EBADF (Bad file descriptor) [pid 4538] close(27 [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(19 [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] close(20 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4538] close(28 [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(20 [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] close(21 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4538] close(29 [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(21 [pid 4538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] close(22 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4538] exit_group(0 [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(22 [pid 4540] <... futex resumed>) = ? [pid 4539] <... futex resumed>) = ? [pid 4538] <... exit_group resumed>) = ? [pid 4535] close(23 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4540] +++ exited with 0 +++ [pid 4539] +++ exited with 0 +++ [pid 4538] +++ exited with 0 +++ [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(23 [pid 4535] close(24 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(24 [pid 4535] close(25 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(25 [pid 4535] close(26 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] umount2("./4709", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(26 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4535] close(27 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(27 [pid 301] openat(AT_FDCWD, "./4709", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4535] close(28) = -1 EBADF (Bad file descriptor) [pid 301] <... openat resumed>) = 3 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4535] close(29 [pid 301] newfstatat(3, "", [pid 4535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4530] close(28 [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4535] exit_group(0 [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4537] <... futex resumed>) = ? [pid 4536] <... futex resumed>) = ? [pid 4535] <... exit_group resumed>) = ? [pid 4530] close(29 [pid 301] getdents64(3, [pid 4537] +++ exited with 0 +++ [pid 4536] +++ exited with 0 +++ [pid 4535] +++ exited with 0 +++ [pid 4530] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4530] exit_group(0 [pid 301] umount2("./4709/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4532] <... futex resumed>) = ? [pid 4530] <... exit_group resumed>) = ? [pid 4534] <... futex resumed>) = ? [pid 4532] +++ exited with 0 +++ [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4534] +++ exited with 0 +++ [pid 4530] +++ exited with 0 +++ [pid 303] <... restart_syscall resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4709/cgroup.cpu", [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 303] umount2("./4762", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] unlink("./4709/cgroup.cpu" [pid 299] <... restart_syscall resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] openat(AT_FDCWD, "./4762", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] <... unlink resumed>) = 0 [pid 303] <... openat resumed>) = 3 [pid 301] umount2("./4709/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] umount2("./4617", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] newfstatat(3, "", [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] newfstatat(AT_FDCWD, "./4709/binderfs", [pid 299] openat(AT_FDCWD, "./4617", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 303] getdents64(3, [pid 299] <... openat resumed>) = 3 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] newfstatat(3, "", [pid 303] umount2("./4762/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] getdents64(3, [pid 303] newfstatat(AT_FDCWD, "./4762/cgroup.cpu", [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4709/binderfs" [pid 299] umount2("./4617/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] unlink("./4762/cgroup.cpu" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... unlink resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4617/cgroup.cpu", [pid 303] umount2("./4762/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4709/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4617/cgroup.cpu" [pid 303] newfstatat(AT_FDCWD, "./4762/binderfs", [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... unlink resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] newfstatat(AT_FDCWD, "./4709/cgroup", [pid 299] umount2("./4617/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] unlink("./4762/binderfs" [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... unlink resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4617/binderfs", [pid 303] umount2("./4762/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4544] <... bpf resumed>) = 5 [pid 4543] <... bpf resumed>) = 5 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] unlink("./4709/cgroup" [pid 299] unlink("./4617/binderfs" [pid 4544] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4543] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] newfstatat(AT_FDCWD, "./4762/cgroup", [pid 301] <... unlink resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 4544] <... futex resumed>) = 1 [pid 4543] <... futex resumed>) = 1 [pid 4542] <... futex resumed>) = 0 [pid 4541] <... futex resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] umount2("./4709/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] umount2("./4617/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4544] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4543] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4542] close(3 [pid 4541] close(3 [pid 303] unlink("./4762/cgroup" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4542] <... close resumed>) = 0 [pid 4541] <... close resumed>) = 0 [pid 303] <... unlink resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4709/cgroup.net", [pid 299] newfstatat(AT_FDCWD, "./4617/cgroup", [pid 4542] close(4 [pid 4541] close(4 [pid 303] umount2("./4762/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4542] <... close resumed>) = 0 [pid 4541] <... close resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] unlink("./4709/cgroup.net" [pid 299] unlink("./4617/cgroup" [pid 4542] close(5 [pid 4541] close(5 [pid 303] newfstatat(AT_FDCWD, "./4762/cgroup.net", [pid 301] <... unlink resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] getdents64(3, [pid 299] umount2("./4617/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] unlink("./4762/cgroup.net" [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... unlink resumed>) = 0 [pid 301] close(3 [pid 299] newfstatat(AT_FDCWD, "./4617/cgroup.net", [pid 303] getdents64(3, [pid 301] <... close resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] rmdir("./4709" [pid 299] unlink("./4617/cgroup.net" [pid 303] close(3 [pid 299] <... unlink resumed>) = 0 [pid 303] <... close resumed>) = 0 [pid 299] getdents64(3, [pid 303] rmdir("./4762" [pid 301] <... rmdir resumed>) = 0 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] <... rmdir resumed>) = 0 [pid 299] close(3 [pid 303] mkdir("./4763", 0777 [pid 301] mkdir("./4710", 0777 [pid 299] <... close resumed>) = 0 [pid 303] <... mkdir resumed>) = 0 [pid 299] rmdir("./4617" [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 301] <... mkdir resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 4547 attached [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] mkdir("./4618", 0777 [pid 4547] set_robust_list(0x5555557fd6a0, 24 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13966 [pid 299] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 4548 attached [pid 4547] <... set_robust_list resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4549 attached [pid 4548] set_robust_list(0x5555557fd6a0, 24 [pid 4547] chdir("./4763" [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13807 [pid 4548] <... set_robust_list resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13526 [pid 4549] set_robust_list(0x5555557fd6a0, 24 [pid 4548] chdir("./4710" [pid 4547] <... chdir resumed>) = 0 [pid 4549] <... set_robust_list resumed>) = 0 [pid 4548] <... chdir resumed>) = 0 [pid 4547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4549] chdir("./4618" [pid 4548] <... prctl resumed>) = 0 [pid 4547] <... prctl resumed>) = 0 [pid 4549] <... chdir resumed>) = 0 [pid 4548] setpgid(0, 0 [pid 4549] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4548] <... setpgid resumed>) = 0 [pid 4547] setpgid(0, 0 [pid 4549] <... prctl resumed>) = 0 [pid 4548] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4549] setpgid(0, 0 [pid 4548] <... symlink resumed>) = 0 [pid 4547] <... setpgid resumed>) = 0 [pid 4549] <... setpgid resumed>) = 0 [pid 4548] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4547] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4549] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4548] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4549] <... symlink resumed>) = 0 [pid 4548] <... symlink resumed>) = 0 [pid 4547] <... symlink resumed>) = 0 [pid 4549] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4547] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4549] <... symlink resumed>) = 0 [pid 4548] <... openat resumed>) = 3 [pid 4548] write(3, "1000", 4) = 4 [pid 4548] close(3) = 0 [pid 4547] <... symlink resumed>) = 0 [pid 4549] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4548] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4547] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4549] <... symlink resumed>) = 0 [pid 4548] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4548] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4547] <... symlink resumed>) = 0 [pid 4549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4548] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4549] <... openat resumed>) = 3 [pid 4548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4549] write(3, "1000", 4 [pid 4547] <... openat resumed>) = 3 [pid 4549] <... write resumed>) = 4 [pid 4548] <... mmap resumed>) = 0x7fba2fe97000 [pid 4547] write(3, "1000", 4 [pid 4549] close(3 [pid 4548] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4547] <... write resumed>) = 4 [pid 4549] <... close resumed>) = 0 [pid 4548] <... mprotect resumed>) = 0 [pid 4549] symlink("/dev/binderfs", "./binderfs" [pid 4548] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4547] close(3 [pid 4548] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4549] <... symlink resumed>) = 0 [pid 4547] <... close resumed>) = 0 ./strace-static-x86_64: Process 4550 attached [pid 4549] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4548] <... clone3 resumed> => {parent_tid=[13808]}, 88) = 13808 [pid 4547] symlink("/dev/binderfs", "./binderfs" [pid 4550] set_robust_list(0x7fba2feb79a0, 24 [pid 4549] <... futex resumed>) = 0 [pid 4548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4547] <... symlink resumed>) = 0 [pid 4550] <... set_robust_list resumed>) = 0 [pid 4549] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4548] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4550] rt_sigprocmask(SIG_SETMASK, [], [pid 4549] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4548] <... futex resumed>) = 0 [pid 4547] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4549] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4548] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4547] <... futex resumed>) = 0 [pid 4550] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4547] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4550] <... bpf resumed>) = 3 [pid 4549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4547] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4550] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4549] <... mmap resumed>) = 0x7fba2fe97000 [pid 4548] <... futex resumed>) = 0 [pid 4547] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4550] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4549] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4548] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4549] <... mprotect resumed>) = 0 [pid 4548] <... futex resumed>) = 0 [pid 4547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4550] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4548] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4549] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4548] <... futex resumed>) = 0 [pid 4547] <... mmap resumed>) = 0x7fba2fe97000 [pid 4548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe76000 [pid 4550] <... bpf resumed>) = 0 [pid 4549] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4548] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4547] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4550] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4548] <... mprotect resumed>) = 0 [pid 4547] <... mprotect resumed>) = 0 [pid 4550] <... futex resumed>) = 0 [pid 4548] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 4551 attached [pid 4550] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4548] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4547] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4551] set_robust_list(0x7fba2feb79a0, 24 [pid 4549] <... clone3 resumed> => {parent_tid=[13527]}, 88) = 13527 [pid 4548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4547] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 4552 attached [pid 4551] <... set_robust_list resumed>) = 0 [pid 4549] rt_sigprocmask(SIG_SETMASK, [], [pid 4547] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4552] set_robust_list(0x7fba2fe969a0, 24 [pid 4551] rt_sigprocmask(SIG_SETMASK, [], [pid 4549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4548] <... clone3 resumed> => {parent_tid=[13809]}, 88) = 13809 ./strace-static-x86_64: Process 4553 attached [pid 4552] <... set_robust_list resumed>) = 0 [pid 4551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4549] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4548] rt_sigprocmask(SIG_SETMASK, [], [pid 4553] set_robust_list(0x7fba2feb79a0, 24 [pid 4552] rt_sigprocmask(SIG_SETMASK, [], [pid 4551] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4549] <... futex resumed>) = 0 [pid 4548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4547] <... clone3 resumed> => {parent_tid=[13967]}, 88) = 13967 [pid 4553] <... set_robust_list resumed>) = 0 [pid 4552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4551] <... bpf resumed>) = 3 [pid 4549] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4548] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4547] rt_sigprocmask(SIG_SETMASK, [], [pid 4553] rt_sigprocmask(SIG_SETMASK, [], [pid 4552] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4551] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4548] <... futex resumed>) = 0 [pid 4547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4551] <... futex resumed>) = 0 [pid 4548] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4553] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4551] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4552] <... bpf resumed>) = 4 [pid 4549] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4547] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4553] <... futex resumed>) = 0 [pid 4552] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4551] <... futex resumed>) = 0 [pid 4549] <... futex resumed>) = 1 [pid 4547] <... futex resumed>) = 1 [pid 4553] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4552] <... futex resumed>) = 1 [pid 4551] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4549] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4548] <... futex resumed>) = 0 [pid 4547] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4553] <... bpf resumed>) = 3 [pid 4552] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4551] <... bpf resumed>) = 0 [pid 4549] <... futex resumed>) = 0 [pid 4548] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4553] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4551] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4548] <... futex resumed>) = 1 [pid 4553] <... futex resumed>) = 1 [pid 4551] <... futex resumed>) = 0 [pid 4550] <... futex resumed>) = 0 [pid 4549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4548] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4547] <... futex resumed>) = 0 [pid 4553] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4551] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4550] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4549] <... mmap resumed>) = 0x7fba2fe76000 [pid 4547] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4549] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4547] <... futex resumed>) = 0 [pid 4553] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4549] <... mprotect resumed>) = 0 [pid 4547] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4553] <... bpf resumed>) = 0 [pid 4553] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4549] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4547] <... futex resumed>) = 0 [pid 4553] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4549] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4547] <... mmap resumed>) = 0x7fba2fe76000 [pid 4542] <... close resumed>) = 0 [pid 4541] <... close resumed>) = 0 ./strace-static-x86_64: Process 4554 attached [pid 4547] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4542] close(6 [pid 4541] close(6 [pid 4554] set_robust_list(0x7fba2fe969a0, 24 [pid 4549] <... clone3 resumed> => {parent_tid=[13528]}, 88) = 13528 [pid 4547] <... mprotect resumed>) = 0 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4554] <... set_robust_list resumed>) = 0 [pid 4547] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4542] close(7 [pid 4541] close(7 [pid 4549] rt_sigprocmask(SIG_SETMASK, [], [pid 4554] rt_sigprocmask(SIG_SETMASK, [], [pid 4549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4547] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4549] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4547] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4542] close(8 [pid 4541] close(8 [pid 4554] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4549] <... futex resumed>) = 0 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4555 attached [pid 4554] <... bpf resumed>) = 4 [pid 4549] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4542] close(9 [pid 4541] close(9 [pid 4555] set_robust_list(0x7fba2fe969a0, 24 [pid 4554] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4547] <... clone3 resumed> => {parent_tid=[13968]}, 88) = 13968 [pid 4555] <... set_robust_list resumed>) = 0 [pid 4554] <... futex resumed>) = 0 [pid 4549] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4542] close(10 [pid 4541] close(10 [pid 4547] rt_sigprocmask(SIG_SETMASK, [], [pid 4555] rt_sigprocmask(SIG_SETMASK, [], [pid 4554] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4551] <... futex resumed>) = 0 [pid 4549] <... futex resumed>) = 1 [pid 4547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4551] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4549] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4547] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4542] close(11 [pid 4541] close(11 [pid 4555] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4547] <... futex resumed>) = 0 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4555] <... bpf resumed>) = 4 [pid 4547] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4542] close(12 [pid 4541] close(12 [pid 4555] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4555] <... futex resumed>) = 0 [pid 4547] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4542] close(13 [pid 4541] close(13 [pid 4555] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4553] <... futex resumed>) = 0 [pid 4547] <... futex resumed>) = 1 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4553] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4547] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4542] close(14 [pid 4541] close(14 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4542] close(15 [pid 4541] close(15 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4542] close(16 [pid 4541] close(16 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4542] close(17 [pid 4541] close(17 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4542] close(18 [pid 4541] close(18 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4542] close(19 [pid 4541] close(19 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4542] close(20 [pid 4541] close(20 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4542] close(21 [pid 4541] close(21 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4542] close(22 [pid 4541] close(22 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4542] close(23 [pid 4541] close(23 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4542] close(24 [pid 4541] close(24 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4542] close(25 [pid 4541] close(25 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4542] close(26 [pid 4541] close(26 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4542] close(27 [pid 4541] close(27 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4542] close(28 [pid 4541] close(28 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4542] close(29 [pid 4541] close(29 [pid 4542] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4542] exit_group(0 [pid 4541] exit_group(0 [pid 4546] <... futex resumed>) = ? [pid 4545] <... futex resumed>) = ? [pid 4544] <... futex resumed>) = ? [pid 4543] <... futex resumed>) = ? [pid 4542] <... exit_group resumed>) = ? [pid 4541] <... exit_group resumed>) = ? [pid 4546] +++ exited with 0 +++ [pid 4545] +++ exited with 0 +++ [pid 4544] +++ exited with 0 +++ [pid 4543] +++ exited with 0 +++ [pid 4542] +++ exited with 0 +++ [pid 4541] +++ exited with 0 +++ [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13896, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 302] umount2("./4730", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4655", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] openat(AT_FDCWD, "./4730", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] openat(AT_FDCWD, "./4655", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] <... openat resumed>) = 3 [pid 300] <... openat resumed>) = 3 [pid 302] newfstatat(3, "", [pid 300] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] getdents64(3, [pid 302] getdents64(3, [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] umount2("./4655/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4655/cgroup.cpu", [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4655/cgroup.cpu" [pid 302] umount2("./4730/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... unlink resumed>) = 0 [pid 300] umount2("./4655/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4655/binderfs", [pid 302] newfstatat(AT_FDCWD, "./4730/cgroup.cpu", [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4655/binderfs" [pid 302] unlink("./4730/cgroup.cpu" [pid 300] <... unlink resumed>) = 0 [pid 300] umount2("./4655/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] <... unlink resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4655/cgroup", [pid 302] umount2("./4730/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4655/cgroup" [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4730/binderfs", [pid 300] <... unlink resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] umount2("./4655/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] unlink("./4730/binderfs" [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4655/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] unlink("./4655/cgroup.net" [pid 302] umount2("./4730/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... unlink resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] getdents64(3, [pid 302] newfstatat(AT_FDCWD, "./4730/cgroup", [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] close(3 [pid 302] unlink("./4730/cgroup" [pid 300] <... close resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] rmdir("./4655" [pid 302] umount2("./4730/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... rmdir resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] mkdir("./4656", 0777 [pid 302] newfstatat(AT_FDCWD, "./4730/cgroup.net", [pid 300] <... mkdir resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] unlink("./4730/cgroup.net" [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13678 ./strace-static-x86_64: Process 4556 attached [pid 302] <... unlink resumed>) = 0 [pid 4556] set_robust_list(0x5555557fd6a0, 24 [pid 302] getdents64(3, [pid 4556] <... set_robust_list resumed>) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4556] chdir("./4656" [pid 302] close(3 [pid 4556] <... chdir resumed>) = 0 [pid 302] <... close resumed>) = 0 [pid 4556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 302] rmdir("./4730" [pid 4556] setpgid(0, 0) = 0 [pid 302] <... rmdir resumed>) = 0 [pid 4556] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 302] mkdir("./4731", 0777 [pid 4556] <... symlink resumed>) = 0 [pid 4556] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 302] <... mkdir resumed>) = 0 [pid 4556] <... symlink resumed>) = 0 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4556] symlink("/syzcgroup/net/syz1", "./cgroup.net"./strace-static-x86_64: Process 4557 attached [pid 4557] set_robust_list(0x5555557fd6a0, 24 [pid 4556] <... symlink resumed>) = 0 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13899 [pid 4557] <... set_robust_list resumed>) = 0 [pid 4556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4557] chdir("./4731") = 0 [pid 4557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4556] <... openat resumed>) = 3 [pid 4557] <... prctl resumed>) = 0 [pid 4556] write(3, "1000", 4 [pid 4557] setpgid(0, 0 [pid 4556] <... write resumed>) = 4 [pid 4557] <... setpgid resumed>) = 0 [pid 4556] close(3 [pid 4557] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4556] <... close resumed>) = 0 [pid 4557] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4556] symlink("/dev/binderfs", "./binderfs" [pid 4557] <... symlink resumed>) = 0 [pid 4557] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4556] <... symlink resumed>) = 0 [pid 4557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4556] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4551] <... bpf resumed>) = 5 [pid 4550] <... bpf resumed>) = 5 [pid 4553] <... bpf resumed>) = 5 [pid 4557] <... openat resumed>) = 3 [pid 4556] <... futex resumed>) = 0 [pid 4553] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4551] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4550] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4557] write(3, "1000", 4 [pid 4556] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4553] <... futex resumed>) = 1 [pid 4551] <... futex resumed>) = 1 [pid 4550] <... futex resumed>) = 1 [pid 4549] <... futex resumed>) = 0 [pid 4548] <... futex resumed>) = 0 [pid 4547] <... futex resumed>) = 0 [pid 4557] <... write resumed>) = 4 [pid 4556] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4553] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4551] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4550] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4549] close(3 [pid 4548] close(3 [pid 4547] close(3 [pid 4557] close(3 [pid 4556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4549] <... close resumed>) = 0 [pid 4548] <... close resumed>) = 0 [pid 4547] <... close resumed>) = 0 [pid 4557] <... close resumed>) = 0 [pid 4556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4549] close(4 [pid 4548] close(4 [pid 4547] close(4 [pid 4557] symlink("/dev/binderfs", "./binderfs" [pid 4556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4549] <... close resumed>) = 0 [pid 4548] <... close resumed>) = 0 [pid 4547] <... close resumed>) = 0 [pid 4557] <... symlink resumed>) = 0 [pid 4556] <... mmap resumed>) = 0x7fba2fe97000 [pid 4549] close(5 [pid 4548] close(5 [pid 4547] close(5 [pid 4557] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4556] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4549] <... close resumed>) = 0 [pid 4557] <... futex resumed>) = 0 [pid 4556] <... mprotect resumed>) = 0 [pid 4557] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4549] close(6 [pid 4557] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4556] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4556] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4549] close(7 [pid 4557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4557] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 4558 attached [pid 4557] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4549] close(8 [pid 4558] set_robust_list(0x7fba2feb79a0, 24 [pid 4557] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4556] <... clone3 resumed> => {parent_tid=[13679]}, 88) = 13679 [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4558] <... set_robust_list resumed>) = 0 [pid 4557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4559 attached [pid 4558] rt_sigprocmask(SIG_SETMASK, [], [pid 4556] rt_sigprocmask(SIG_SETMASK, [], [pid 4549] close(9 [pid 4559] set_robust_list(0x7fba2feb79a0, 24 [pid 4558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4557] <... clone3 resumed> => {parent_tid=[13900]}, 88) = 13900 [pid 4556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4559] <... set_robust_list resumed>) = 0 [pid 4558] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4557] rt_sigprocmask(SIG_SETMASK, [], [pid 4556] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4549] close(10 [pid 4559] rt_sigprocmask(SIG_SETMASK, [], [pid 4558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4556] <... futex resumed>) = 0 [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4558] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4557] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4556] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4549] close(11 [pid 4559] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4558] <... bpf resumed>) = 3 [pid 4557] <... futex resumed>) = 0 [pid 4559] <... bpf resumed>) = 3 [pid 4558] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4559] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4558] <... futex resumed>) = 1 [pid 4557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4556] <... futex resumed>) = 0 [pid 4549] close(12 [pid 4559] <... futex resumed>) = 0 [pid 4558] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4557] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4556] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4559] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4556] <... futex resumed>) = 0 [pid 4558] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4557] <... futex resumed>) = 0 [pid 4556] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4549] close(13 [pid 4559] <... bpf resumed>) = 0 [pid 4558] <... bpf resumed>) = 0 [pid 4557] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4556] <... futex resumed>) = 0 [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4558] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4559] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4558] <... futex resumed>) = 0 [pid 4557] <... futex resumed>) = 0 [pid 4556] <... mmap resumed>) = 0x7fba2fe76000 [pid 4549] close(14 [pid 4559] <... futex resumed>) = 0 [pid 4558] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4556] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4559] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4557] <... mmap resumed>) = 0x7fba2fe76000 [pid 4556] <... mprotect resumed>) = 0 [pid 4549] close(15 [pid 4557] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4556] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] <... mprotect resumed>) = 0 [pid 4556] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4549] close(16 [pid 4557] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4560 attached [pid 4557] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4549] close(17 [pid 4556] <... clone3 resumed> => {parent_tid=[13680]}, 88) = 13680 [pid 4560] set_robust_list(0x7fba2fe969a0, 24 [pid 4557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4556] rt_sigprocmask(SIG_SETMASK, [], [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4556] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 4561 attached [pid 4560] <... set_robust_list resumed>) = 0 [pid 4556] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4549] close(18 [pid 4561] set_robust_list(0x7fba2fe969a0, 24 [pid 4560] rt_sigprocmask(SIG_SETMASK, [], [pid 4557] <... clone3 resumed> => {parent_tid=[13901]}, 88) = 13901 [pid 4556] <... futex resumed>) = 0 [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4561] <... set_robust_list resumed>) = 0 [pid 4560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4556] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4549] close(19 [pid 4557] rt_sigprocmask(SIG_SETMASK, [], [pid 4561] rt_sigprocmask(SIG_SETMASK, [], [pid 4560] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4561] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4560] <... bpf resumed>) = 4 [pid 4557] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4549] close(20 [pid 4560] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4561] <... futex resumed>) = 0 [pid 4557] <... futex resumed>) = 1 [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4560] <... futex resumed>) = 1 [pid 4556] <... futex resumed>) = 0 [pid 4561] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4557] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4556] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4549] close(21 [pid 4561] <... bpf resumed>) = 4 [pid 4560] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4558] <... futex resumed>) = 0 [pid 4556] <... futex resumed>) = 1 [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4561] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4558] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4556] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4561] <... futex resumed>) = 1 [pid 4557] <... futex resumed>) = 0 [pid 4549] close(22 [pid 4561] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4557] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4559] <... futex resumed>) = 0 [pid 4557] <... futex resumed>) = 1 [pid 4549] close(23 [pid 4559] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4557] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4549] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4549] close(24) = -1 EBADF (Bad file descriptor) [pid 4549] close(25) = -1 EBADF (Bad file descriptor) [pid 4549] close(26) = -1 EBADF (Bad file descriptor) [pid 4549] close(27) = -1 EBADF (Bad file descriptor) [pid 4549] close(28) = -1 EBADF (Bad file descriptor) [pid 4549] close(29) = -1 EBADF (Bad file descriptor) [pid 4549] exit_group(0 [pid 4554] <... futex resumed>) = ? [pid 4551] <... futex resumed>) = ? [pid 4549] <... exit_group resumed>) = ? [pid 4554] +++ exited with 0 +++ [pid 4551] +++ exited with 0 +++ [pid 4549] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 299] umount2("./4618", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./4618", 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, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] umount2("./4618/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4618/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4618/cgroup.cpu") = 0 [pid 299] umount2("./4618/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4618/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4618/binderfs") = 0 [pid 299] umount2("./4618/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4618/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4618/cgroup") = 0 [pid 299] umount2("./4618/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4618/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4618/cgroup.net") = 0 [pid 299] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./4618") = 0 [pid 299] mkdir("./4619", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4562 attached [pid 4548] <... close resumed>) = 0 [pid 4562] set_robust_list(0x5555557fd6a0, 24 [pid 4548] close(6 [pid 4547] <... close resumed>) = 0 [pid 4562] <... set_robust_list resumed>) = 0 [pid 4548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4547] close(6 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13529 [pid 4562] chdir("./4619" [pid 4548] close(7 [pid 4562] <... chdir resumed>) = 0 [pid 4548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4548] close(8 [pid 4547] close(7 [pid 4562] <... prctl resumed>) = 0 [pid 4548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4548] close(9) = -1 EBADF (Bad file descriptor) [pid 4548] close(10 [pid 4562] setpgid(0, 0 [pid 4548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] <... setpgid resumed>) = 0 [pid 4548] close(11 [pid 4547] close(8 [pid 4548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4548] close(12) = -1 EBADF (Bad file descriptor) [pid 4562] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4548] close(13 [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4548] close(14) = -1 EBADF (Bad file descriptor) [pid 4548] close(15) = -1 EBADF (Bad file descriptor) [pid 4548] close(16) = -1 EBADF (Bad file descriptor) [pid 4562] <... symlink resumed>) = 0 [pid 4548] close(17 [pid 4547] close(9 [pid 4562] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4548] close(18) = -1 EBADF (Bad file descriptor) [pid 4562] <... symlink resumed>) = 0 [pid 4548] close(19 [pid 4547] close(10 [pid 4562] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4548] close(20) = -1 EBADF (Bad file descriptor) [pid 4548] close(21) = -1 EBADF (Bad file descriptor) [pid 4548] close(22 [pid 4562] <... symlink resumed>) = 0 [pid 4548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4548] close(23 [pid 4547] close(11 [pid 4562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4548] close(24 [pid 4547] close(12 [pid 4548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4548] close(25 [pid 4562] <... openat resumed>) = 3 [pid 4548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4548] close(26 [pid 4547] close(13 [pid 4562] write(3, "1000", 4 [pid 4548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4548] close(27) = -1 EBADF (Bad file descriptor) [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] <... write resumed>) = 4 [pid 4548] close(28 [pid 4547] close(14 [pid 4548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] close(3 [pid 4548] close(29 [pid 4547] close(15 [pid 4548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] <... close resumed>) = 0 [pid 4548] exit_group(0 [pid 4552] <... futex resumed>) = ? [pid 4550] <... futex resumed>) = ? [pid 4548] <... exit_group resumed>) = ? [pid 4547] close(16 [pid 4562] symlink("/dev/binderfs", "./binderfs" [pid 4552] +++ exited with 0 +++ [pid 4550] +++ exited with 0 +++ [pid 4548] +++ exited with 0 +++ [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] <... symlink resumed>) = 0 [pid 4547] close(17 [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13807, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4562] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] <... futex resumed>) = 0 [pid 4547] close(18 [pid 4562] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4547] close(19 [pid 4562] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] umount2("./4710", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4562] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4547] close(20 [pid 4562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] openat(AT_FDCWD, "./4710", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4547] close(21 [pid 4562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] <... openat resumed>) = 3 [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] <... mmap resumed>) = 0x7fba2fe97000 [pid 301] newfstatat(3, "", [pid 4547] close(22) = -1 EBADF (Bad file descriptor) [pid 4562] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4547] close(23 [pid 301] getdents64(3, [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] <... mprotect resumed>) = 0 [pid 4547] close(24 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4562] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] umount2("./4710/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4547] close(25 [pid 4562] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4547] close(26 [pid 301] newfstatat(AT_FDCWD, "./4710/cgroup.cpu", ./strace-static-x86_64: Process 4563 attached [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4563] set_robust_list(0x7fba2feb79a0, 24 [pid 4547] close(27 [pid 4562] <... clone3 resumed> => {parent_tid=[13530]}, 88) = 13530 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4563] <... set_robust_list resumed>) = 0 [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] unlink("./4710/cgroup.cpu" [pid 4563] rt_sigprocmask(SIG_SETMASK, [], [pid 4562] rt_sigprocmask(SIG_SETMASK, [], [pid 4563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4547] close(28 [pid 4563] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... unlink resumed>) = 0 [pid 4562] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4547] close(29 [pid 301] umount2("./4710/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4547] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4563] <... futex resumed>) = 0 [pid 4562] <... futex resumed>) = 1 [pid 4563] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4547] exit_group(0 [pid 301] newfstatat(AT_FDCWD, "./4710/binderfs", [pid 4563] <... bpf resumed>) = 3 [pid 4562] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4555] <... futex resumed>) = ? [pid 4553] <... futex resumed>) = ? [pid 4547] <... exit_group resumed>) = ? [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4563] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4555] +++ exited with 0 +++ [pid 4553] +++ exited with 0 +++ [pid 4563] <... futex resumed>) = 0 [pid 4563] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4547] +++ exited with 0 +++ [pid 301] unlink("./4710/binderfs" [pid 4562] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... unlink resumed>) = 0 [pid 4563] <... futex resumed>) = 0 [pid 4562] <... futex resumed>) = 1 [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13966, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] umount2("./4710/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4563] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4562] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 4563] <... bpf resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4563] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4563] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 301] newfstatat(AT_FDCWD, "./4710/cgroup", [pid 4562] <... futex resumed>) = 0 [pid 303] <... restart_syscall resumed>) = 0 [pid 4562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4562] <... mmap resumed>) = 0x7fba2fe76000 [pid 301] unlink("./4710/cgroup" [pid 303] umount2("./4763", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4562] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 301] <... unlink resumed>) = 0 [pid 4562] <... mprotect resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] umount2("./4710/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4562] rt_sigprocmask(SIG_BLOCK, ~[], [pid 303] openat(AT_FDCWD, "./4763", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4562] <... rt_sigprocmask resumed>[], 8) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 303] <... openat resumed>) = 3 [pid 301] newfstatat(AT_FDCWD, "./4710/cgroup.net", ./strace-static-x86_64: Process 4564 attached [pid 303] newfstatat(3, "", [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4564] set_robust_list(0x7fba2fe969a0, 24 [pid 4562] <... clone3 resumed> => {parent_tid=[13531]}, 88) = 13531 [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] unlink("./4710/cgroup.net" [pid 4564] <... set_robust_list resumed>) = 0 [pid 4562] rt_sigprocmask(SIG_SETMASK, [], [pid 303] getdents64(3, [pid 4564] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 301] <... unlink resumed>) = 0 [pid 4564] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] getdents64(3, [pid 4562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] umount2("./4763/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4562] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] close(3 [pid 303] newfstatat(AT_FDCWD, "./4763/cgroup.cpu", [pid 301] <... close resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4564] <... futex resumed>) = 0 [pid 4562] <... futex resumed>) = 1 [pid 303] unlink("./4763/cgroup.cpu" [pid 301] rmdir("./4710" [pid 4564] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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) = 4 [pid 4562] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... unlink resumed>) = 0 [pid 301] <... rmdir resumed>) = 0 [pid 4564] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 303] umount2("./4763/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] mkdir("./4711", 0777 [pid 4564] <... futex resumed>) = 0 [pid 4562] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4564] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 303] newfstatat(AT_FDCWD, "./4763/binderfs", [pid 301] <... mkdir resumed>) = 0 [pid 4563] <... futex resumed>) = 0 [pid 4562] <... futex resumed>) = 1 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4563] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4562] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 303] unlink("./4763/binderfs"./strace-static-x86_64: Process 4565 attached [pid 4565] set_robust_list(0x5555557fd6a0, 24 [pid 303] <... unlink resumed>) = 0 [pid 4565] <... set_robust_list resumed>) = 0 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13810 [pid 303] umount2("./4763/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4565] chdir("./4711") = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 303] newfstatat(AT_FDCWD, "./4763/cgroup", [pid 4565] <... prctl resumed>) = 0 [pid 4565] setpgid(0, 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4565] <... setpgid resumed>) = 0 [pid 303] unlink("./4763/cgroup" [pid 4565] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 4565] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 303] <... unlink resumed>) = 0 [pid 4565] <... symlink resumed>) = 0 [pid 303] umount2("./4763/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4565] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 303] newfstatat(AT_FDCWD, "./4763/cgroup.net", [pid 4565] <... openat resumed>) = 3 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4565] write(3, "1000", 4 [pid 303] unlink("./4763/cgroup.net" [pid 4565] <... write resumed>) = 4 [pid 4565] close(3) = 0 [pid 303] <... unlink resumed>) = 0 [pid 4565] symlink("/dev/binderfs", "./binderfs" [pid 303] getdents64(3, [pid 4565] <... symlink resumed>) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4565] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 303] close(3 [pid 4565] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 303] <... close resumed>) = 0 [pid 4565] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 303] rmdir("./4763" [pid 4565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4565] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4565] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 303] <... rmdir resumed>) = 0 [pid 4565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 303] mkdir("./4764", 0777./strace-static-x86_64: Process 4566 attached ) = 0 [pid 4566] set_robust_list(0x7fba2feb79a0, 24 [pid 4565] <... clone3 resumed> => {parent_tid=[13811]}, 88) = 13811 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4566] <... set_robust_list resumed>) = 0 [pid 4565] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4565] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4565] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 4567 attached [pid 4566] rt_sigprocmask(SIG_SETMASK, [], [pid 4567] set_robust_list(0x5555557fd6a0, 24 [pid 4566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13969 [pid 4567] <... set_robust_list resumed>) = 0 [pid 4567] chdir("./4764" [pid 4566] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4567] <... chdir resumed>) = 0 [pid 4558] <... bpf resumed>) = 5 [pid 4567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4566] <... bpf resumed>) = 3 [pid 4563] <... bpf resumed>) = 5 [pid 4559] <... bpf resumed>) = 5 [pid 4558] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4567] <... prctl resumed>) = 0 [pid 4566] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4563] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4559] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4558] <... futex resumed>) = 1 [pid 4556] <... futex resumed>) = 0 [pid 4567] setpgid(0, 0 [pid 4566] <... futex resumed>) = 1 [pid 4565] <... futex resumed>) = 0 [pid 4563] <... futex resumed>) = 1 [pid 4562] <... futex resumed>) = 0 [pid 4559] <... futex resumed>) = 1 [pid 4558] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4557] <... futex resumed>) = 0 [pid 4556] close(3 [pid 4567] <... setpgid resumed>) = 0 [pid 4566] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4565] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4563] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4562] close(3 [pid 4559] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4557] close(3 [pid 4556] <... close resumed>) = 0 [pid 4567] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4565] <... futex resumed>) = 0 [pid 4562] <... close resumed>) = 0 [pid 4557] <... close resumed>) = 0 [pid 4556] close(4 [pid 4565] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4557] close(4 [pid 4556] <... close resumed>) = 0 [pid 4565] <... futex resumed>) = 0 [pid 4557] <... close resumed>) = 0 [pid 4556] close(5 [pid 4567] <... symlink resumed>) = 0 [pid 4566] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4562] close(4 [pid 4557] close(5 [pid 4556] <... close resumed>) = 0 [pid 4567] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4566] <... bpf resumed>) = 0 [pid 4565] <... mmap resumed>) = 0x7fba2fe76000 [pid 4562] <... close resumed>) = 0 [pid 4556] close(6 [pid 4566] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4565] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... symlink resumed>) = 0 [pid 4566] <... futex resumed>) = 0 [pid 4565] <... mprotect resumed>) = 0 [pid 4562] close(5 [pid 4556] close(7 [pid 4567] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4566] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4565] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4556] close(8 [pid 4565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4556] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4568 attached [pid 4567] <... symlink resumed>) = 0 [pid 4556] close(9 [pid 4568] set_robust_list(0x7fba2fe969a0, 24 [pid 4565] <... clone3 resumed> => {parent_tid=[13812]}, 88) = 13812 [pid 4556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4568] <... set_robust_list resumed>) = 0 [pid 4567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4565] rt_sigprocmask(SIG_SETMASK, [], [pid 4556] close(10 [pid 4568] rt_sigprocmask(SIG_SETMASK, [], [pid 4565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4556] close(11 [pid 4568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4567] <... openat resumed>) = 3 [pid 4565] <... futex resumed>) = 0 [pid 4556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4568] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4567] write(3, "1000", 4 [pid 4565] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4556] close(12) = -1 EBADF (Bad file descriptor) [pid 4556] close(13) = -1 EBADF (Bad file descriptor) [pid 4556] close(14) = -1 EBADF (Bad file descriptor) [pid 4556] close(15) = -1 EBADF (Bad file descriptor) [pid 4556] close(16) = -1 EBADF (Bad file descriptor) [pid 4556] close(17) = -1 EBADF (Bad file descriptor) [pid 4568] <... bpf resumed>) = 4 [pid 4567] <... write resumed>) = 4 [pid 4556] close(18 [pid 4568] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4567] close(3 [pid 4556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4568] <... futex resumed>) = 1 [pid 4567] <... close resumed>) = 0 [pid 4565] <... futex resumed>) = 0 [pid 4556] close(19 [pid 4568] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4567] symlink("/dev/binderfs", "./binderfs" [pid 4565] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4566] <... futex resumed>) = 0 [pid 4565] <... futex resumed>) = 1 [pid 4556] close(20 [pid 4566] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4565] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... symlink resumed>) = 0 [pid 4556] close(21) = -1 EBADF (Bad file descriptor) [pid 4567] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4556] close(22 [pid 4567] <... futex resumed>) = 0 [pid 4556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4556] close(23) = -1 EBADF (Bad file descriptor) [pid 4556] close(24 [pid 4567] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4556] close(25 [pid 4567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... mmap resumed>) = 0x7fba2fe97000 [pid 4556] close(26) = -1 EBADF (Bad file descriptor) [pid 4556] close(27 [pid 4567] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... mprotect resumed>) = 0 [pid 4556] close(28) = -1 EBADF (Bad file descriptor) [pid 4556] close(29 [pid 4567] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4556] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4556] exit_group(0 [pid 4558] <... futex resumed>) = ? [pid 4556] <... exit_group resumed>) = ? [pid 4567] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4560] <... futex resumed>) = ? [pid 4558] +++ exited with 0 +++ ./strace-static-x86_64: Process 4569 attached [pid 4569] set_robust_list(0x7fba2feb79a0, 24) = 0 [pid 4569] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4569] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4560] +++ exited with 0 +++ [pid 4556] +++ exited with 0 +++ [pid 4567] <... clone3 resumed> => {parent_tid=[13970]}, 88) = 13970 [pid 4567] rt_sigprocmask(SIG_SETMASK, [], [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4567] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 4569] <... futex resumed>) = 0 [pid 4567] <... futex resumed>) = 1 [pid 4569] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 300] <... restart_syscall resumed>) = 0 [pid 4569] <... bpf resumed>) = 3 [pid 4567] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4569] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4569] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 4567] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4569] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32) = 0 [pid 4567] <... futex resumed>) = 0 [pid 300] umount2("./4656", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4569] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4567] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4569] <... futex resumed>) = 0 [pid 4569] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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) = 4 [pid 4567] <... futex resumed>) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4569] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4567] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4569] <... futex resumed>) = 0 [pid 4567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 300] openat(AT_FDCWD, "./4656", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4569] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4567] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4567] <... futex resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 4569] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4567] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] umount2("./4656/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4656/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4656/cgroup.cpu") = 0 [pid 300] umount2("./4656/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4656/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4656/binderfs") = 0 [pid 300] umount2("./4656/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4656/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4656/cgroup") = 0 [pid 300] umount2("./4656/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4656/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4656/cgroup.net") = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] close(3) = 0 [pid 300] rmdir("./4656") = 0 [pid 300] mkdir("./4657", 0777) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4570 attached [pid 4570] set_robust_list(0x5555557fd6a0, 24 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13681 [pid 4570] <... set_robust_list resumed>) = 0 [pid 4570] chdir("./4657") = 0 [pid 4570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4570] setpgid(0, 0) = 0 [pid 4570] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4570] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4570] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4570] write(3, "1000", 4) = 4 [pid 4570] close(3) = 0 [pid 4570] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4570] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4570] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4570] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4570] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4571 attached [pid 4571] set_robust_list(0x7fba2feb79a0, 24 [pid 4570] <... clone3 resumed> => {parent_tid=[13682]}, 88) = 13682 [pid 4571] <... set_robust_list resumed>) = 0 [pid 4570] rt_sigprocmask(SIG_SETMASK, [], [pid 4571] rt_sigprocmask(SIG_SETMASK, [], [pid 4570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4570] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4571] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4570] <... futex resumed>) = 0 [pid 4571] <... bpf resumed>) = 3 [pid 4570] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4557] <... close resumed>) = 0 [pid 4562] <... close resumed>) = 0 [pid 4571] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4557] close(6 [pid 4571] <... futex resumed>) = 0 [pid 4570] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4562] close(6 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4571] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4570] <... futex resumed>) = 0 [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] close(7 [pid 4571] <... bpf resumed>) = 0 [pid 4570] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] close(7 [pid 4571] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4570] <... futex resumed>) = 0 [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] close(8 [pid 4571] <... futex resumed>) = 0 [pid 4570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4562] close(8 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4571] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4570] <... mmap resumed>) = 0x7fba2fe76000 [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] close(9 [pid 4570] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4562] close(9 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4570] <... mprotect resumed>) = 0 [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] close(10 [pid 4570] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4562] close(10 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4570] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] close(11 [pid 4570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4562] close(11 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4572 attached [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] close(12 [pid 4572] set_robust_list(0x7fba2fe969a0, 24 [pid 4570] <... clone3 resumed> => {parent_tid=[13683]}, 88) = 13683 [pid 4562] close(12 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4572] <... set_robust_list resumed>) = 0 [pid 4570] rt_sigprocmask(SIG_SETMASK, [], [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] close(13 [pid 4572] rt_sigprocmask(SIG_SETMASK, [], [pid 4570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4562] close(13 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4570] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] close(14 [pid 4572] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4570] <... futex resumed>) = 0 [pid 4562] close(14 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4570] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4557] close(15) = -1 EBADF (Bad file descriptor) [pid 4557] close(16) = -1 EBADF (Bad file descriptor) [pid 4557] close(17) = -1 EBADF (Bad file descriptor) [pid 4557] close(18 [pid 4572] <... bpf resumed>) = 4 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4572] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] close(19 [pid 4572] <... futex resumed>) = 1 [pid 4570] <... futex resumed>) = 0 [pid 4562] close(15 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4572] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4570] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] close(20 [pid 4571] <... futex resumed>) = 0 [pid 4570] <... futex resumed>) = 1 [pid 4562] close(16 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4571] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4570] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4557] close(21 [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] close(17 [pid 4557] close(22 [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] close(18 [pid 4557] close(23) = -1 EBADF (Bad file descriptor) [pid 4557] close(24) = -1 EBADF (Bad file descriptor) [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] close(25 [pid 4562] close(19 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] close(26 [pid 4562] close(20 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] close(27 [pid 4562] close(21 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] close(28 [pid 4562] close(22 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] close(29 [pid 4562] close(23 [pid 4557] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4557] exit_group(0 [pid 4561] <... futex resumed>) = ? [pid 4559] <... futex resumed>) = ? [pid 4557] <... exit_group resumed>) = ? [pid 4562] close(24 [pid 4561] +++ exited with 0 +++ [pid 4559] +++ exited with 0 +++ [pid 4557] +++ exited with 0 +++ [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4562] close(25 [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13899, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] umount2("./4731", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4562] close(26 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] openat(AT_FDCWD, "./4731", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] newfstatat(3, "", [pid 4562] close(27 [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] getdents64(3, [pid 4562] close(28 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] umount2("./4731/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] newfstatat(AT_FDCWD, "./4731/cgroup.cpu", [pid 4562] close(29 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] unlink("./4731/cgroup.cpu" [pid 4562] exit_group(0 [pid 302] <... unlink resumed>) = 0 [pid 4564] <... futex resumed>) = ? [pid 4563] <... futex resumed>) = ? [pid 4562] <... exit_group resumed>) = ? [pid 302] umount2("./4731/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4564] +++ exited with 0 +++ [pid 4563] +++ exited with 0 +++ [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4731/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4731/binderfs") = 0 [pid 4562] +++ exited with 0 +++ [pid 302] umount2("./4731/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4731/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13529, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 302] unlink("./4731/cgroup") = 0 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 302] umount2("./4731/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4731/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4731/cgroup.net") = 0 [pid 302] getdents64(3, [pid 299] <... restart_syscall resumed>) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] close(3) = 0 [pid 299] umount2("./4619", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] rmdir("./4731" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... rmdir resumed>) = 0 [pid 299] openat(AT_FDCWD, "./4619", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] mkdir("./4732", 0777 [pid 299] <... openat resumed>) = 3 [pid 302] <... mkdir resumed>) = 0 [pid 299] newfstatat(3, "", [pid 302] 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 ./strace-static-x86_64: Process 4573 attached [pid 299] getdents64(3, [pid 4573] set_robust_list(0x5555557fd6a0, 24 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13902 [pid 4573] <... set_robust_list resumed>) = 0 [pid 4573] chdir("./4732" [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4573] <... chdir resumed>) = 0 [pid 299] umount2("./4619/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4573] setpgid(0, 0) = 0 [pid 4573] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 299] newfstatat(AT_FDCWD, "./4619/cgroup.cpu", [pid 4573] <... symlink resumed>) = 0 [pid 4573] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4573] <... symlink resumed>) = 0 [pid 299] unlink("./4619/cgroup.cpu" [pid 4573] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 299] <... unlink resumed>) = 0 [pid 4573] <... symlink resumed>) = 0 [pid 299] umount2("./4619/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4573] <... openat resumed>) = 3 [pid 299] newfstatat(AT_FDCWD, "./4619/binderfs", [pid 4573] write(3, "1000", 4 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4573] <... write resumed>) = 4 [pid 299] unlink("./4619/binderfs" [pid 4573] close(3 [pid 299] <... unlink resumed>) = 0 [pid 4573] <... close resumed>) = 0 [pid 299] umount2("./4619/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4573] symlink("/dev/binderfs", "./binderfs" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4573] <... symlink resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4619/cgroup", [pid 4573] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4573] <... futex resumed>) = 0 [pid 299] unlink("./4619/cgroup" [pid 4573] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 299] <... unlink resumed>) = 0 [pid 4573] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 299] umount2("./4619/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 299] newfstatat(AT_FDCWD, "./4619/cgroup.net", [pid 4573] <... mmap resumed>) = 0x7fba2fe97000 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4573] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 299] unlink("./4619/cgroup.net" [pid 4573] <... mprotect resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 4573] rt_sigprocmask(SIG_BLOCK, ~[], [pid 299] getdents64(3, [pid 4573] <... rt_sigprocmask resumed>[], 8) = 0 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 299] close(3./strace-static-x86_64: Process 4574 attached [pid 4574] set_robust_list(0x7fba2feb79a0, 24 [pid 299] <... close resumed>) = 0 [pid 4574] <... set_robust_list resumed>) = 0 [pid 4573] <... clone3 resumed> => {parent_tid=[13903]}, 88) = 13903 [pid 299] rmdir("./4619" [pid 4574] rt_sigprocmask(SIG_SETMASK, [], [pid 4573] rt_sigprocmask(SIG_SETMASK, [], [pid 4574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4574] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 4573] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] mkdir("./4620", 0777 [pid 4574] <... futex resumed>) = 0 [pid 4573] <... futex resumed>) = 1 [pid 4574] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=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 4574] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4573] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4574] <... futex resumed>) = 0 [pid 4573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4574] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4575 attached [pid 4573] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4575] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 4574] <... futex resumed>) = 0 [pid 4573] <... futex resumed>) = 1 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13532 [pid 4575] chdir("./4620" [pid 4574] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4573] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4575] <... chdir resumed>) = 0 [pid 4574] <... bpf resumed>) = 0 [pid 4573] <... futex resumed>) = 0 [pid 4575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4574] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4575] <... prctl resumed>) = 0 [pid 4574] <... futex resumed>) = 0 [pid 4575] setpgid(0, 0 [pid 4574] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4573] <... mmap resumed>) = 0x7fba2fe76000 [pid 4575] <... setpgid resumed>) = 0 [pid 4575] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4573] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4575] <... symlink resumed>) = 0 [pid 4573] <... mprotect resumed>) = 0 [pid 4575] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4571] <... bpf resumed>) = 5 [pid 4569] <... bpf resumed>) = 5 [pid 4566] <... bpf resumed>) = 5 [pid 4573] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4571] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4569] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4575] <... symlink resumed>) = 0 [pid 4571] <... futex resumed>) = 1 [pid 4570] <... futex resumed>) = 0 [pid 4569] <... futex resumed>) = 1 [pid 4567] <... futex resumed>) = 0 [pid 4566] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4573] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4575] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4571] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4570] close(3 [pid 4569] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4567] close(3 [pid 4566] <... futex resumed>) = 1 [pid 4565] <... futex resumed>) = 0 [pid 4575] <... symlink resumed>) = 0 [pid 4570] <... close resumed>) = 0 [pid 4567] <... close resumed>) = 0 [pid 4565] close(3./strace-static-x86_64: Process 4576 attached [pid 4575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4570] close(4 [pid 4567] close(4 [pid 4566] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4565] <... close resumed>) = 0 [pid 4576] set_robust_list(0x7fba2fe969a0, 24 [pid 4575] <... openat resumed>) = 3 [pid 4573] <... clone3 resumed> => {parent_tid=[13904]}, 88) = 13904 [pid 4570] <... close resumed>) = 0 [pid 4567] <... close resumed>) = 0 [pid 4565] close(4 [pid 4576] <... set_robust_list resumed>) = 0 [pid 4575] write(3, "1000", 4 [pid 4573] rt_sigprocmask(SIG_SETMASK, [], [pid 4570] close(5 [pid 4567] close(5 [pid 4565] <... close resumed>) = 0 [pid 4576] rt_sigprocmask(SIG_SETMASK, [], [pid 4575] <... write resumed>) = 4 [pid 4573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4570] <... close resumed>) = 0 [pid 4567] <... close resumed>) = 0 [pid 4565] close(5 [pid 4576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4575] close(3 [pid 4570] close(6 [pid 4567] close(6 [pid 4565] <... close resumed>) = 0 [pid 4573] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4576] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4575] <... close resumed>) = 0 [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... futex resumed>) = 0 [pid 4565] close(6 [pid 4576] <... bpf resumed>) = 4 [pid 4575] symlink("/dev/binderfs", "./binderfs" [pid 4570] close(7 [pid 4573] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4567] close(7 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4576] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(7 [pid 4576] <... futex resumed>) = 0 [pid 4575] <... symlink resumed>) = 0 [pid 4573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4570] close(8 [pid 4567] close(8 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4576] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4575] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4573] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(8 [pid 4575] <... futex resumed>) = 0 [pid 4570] close(9 [pid 4574] <... futex resumed>) = 0 [pid 4573] <... futex resumed>) = 1 [pid 4567] close(9 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4574] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(9 [pid 4575] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4573] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4570] close(10 [pid 4567] close(10 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(10 [pid 4575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4570] close(11 [pid 4567] close(11 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(11 [pid 4575] <... mmap resumed>) = 0x7fba2fe97000 [pid 4570] close(12 [pid 4567] close(12 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(12 [pid 4575] <... mprotect resumed>) = 0 [pid 4570] close(13 [pid 4567] close(13 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(13 [pid 4575] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4570] close(14 [pid 4567] close(14 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(14 [pid 4575] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4570] close(15 [pid 4567] close(15 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(15 [pid 4570] close(16 [pid 4567] close(16 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4577 attached [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(16 [pid 4577] set_robust_list(0x7fba2feb79a0, 24 [pid 4575] <... clone3 resumed> => {parent_tid=[13533]}, 88) = 13533 [pid 4570] close(17 [pid 4567] close(17 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4577] <... set_robust_list resumed>) = 0 [pid 4575] rt_sigprocmask(SIG_SETMASK, [], [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(17 [pid 4577] rt_sigprocmask(SIG_SETMASK, [], [pid 4575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4570] close(18 [pid 4567] close(18 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4575] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(18 [pid 4577] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4575] <... futex resumed>) = 0 [pid 4570] close(19 [pid 4567] close(19 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4577] <... bpf resumed>) = 3 [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(19 [pid 4577] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4575] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4570] close(20 [pid 4567] close(20 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4577] <... futex resumed>) = 0 [pid 4575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(20 [pid 4577] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4575] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4570] close(21 [pid 4567] close(21 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4575] <... futex resumed>) = 0 [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(21 [pid 4577] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4575] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4570] close(22 [pid 4567] close(22 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4577] <... bpf resumed>) = 0 [pid 4575] <... futex resumed>) = 0 [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(22 [pid 4577] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4570] close(23 [pid 4567] close(23 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4577] <... futex resumed>) = 0 [pid 4575] <... mmap resumed>) = 0x7fba2fe76000 [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(23 [pid 4577] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4570] close(24 [pid 4567] close(24 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(24 [pid 4575] <... mprotect resumed>) = 0 [pid 4570] close(25 [pid 4567] close(25 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(25 [pid 4575] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4570] close(26 [pid 4567] close(26 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(26 [pid 4570] close(27 [pid 4567] close(27 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4578 attached [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(27 [pid 4578] set_robust_list(0x7fba2fe969a0, 24 [pid 4570] close(28 [pid 4567] close(28 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4578] <... set_robust_list resumed>) = 0 [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(28 [pid 4578] rt_sigprocmask(SIG_SETMASK, [], [pid 4570] close(29 [pid 4567] close(29 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4570] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4567] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4565] close(29 [pid 4578] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4575] <... clone3 resumed> => {parent_tid=[13534]}, 88) = 13534 [pid 4570] exit_group(0 [pid 4567] exit_group(0 [pid 4565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] rt_sigprocmask(SIG_SETMASK, [], [pid 4572] <... futex resumed>) = ? [pid 4571] <... futex resumed>) = ? [pid 4570] <... exit_group resumed>) = ? [pid 4569] <... futex resumed>) = ? [pid 4567] <... exit_group resumed>) = ? [pid 4565] exit_group(0 [pid 4575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4572] +++ exited with 0 +++ [pid 4571] +++ exited with 0 +++ [pid 4570] +++ exited with 0 +++ [pid 4569] +++ exited with 0 +++ [pid 4568] <... futex resumed>) = ? [pid 4567] +++ exited with 0 +++ [pid 4566] <... futex resumed>) = ? [pid 4565] <... exit_group resumed>) = ? [pid 4575] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4568] +++ exited with 0 +++ [pid 4566] +++ exited with 0 +++ [pid 4565] +++ exited with 0 +++ [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13969, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13681, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4578] <... futex resumed>) = 0 [pid 4575] <... futex resumed>) = 1 [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4578] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4575] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] umount2("./4711", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4578] <... bpf resumed>) = 4 [pid 303] umount2("./4764", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] umount2("./4657", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4578] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] openat(AT_FDCWD, "./4711", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4578] <... futex resumed>) = 1 [pid 4575] <... futex resumed>) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] openat(AT_FDCWD, "./4764", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] <... openat resumed>) = 3 [pid 300] openat(AT_FDCWD, "./4657", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] newfstatat(3, "", [pid 303] <... openat resumed>) = 3 [pid 300] <... openat resumed>) = 3 [pid 4578] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4575] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] newfstatat(3, "", [pid 300] newfstatat(3, "", [pid 4577] <... futex resumed>) = 0 [pid 4575] <... futex resumed>) = 1 [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] getdents64(3, [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4577] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4575] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 303] getdents64(3, [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] getdents64(3, [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] umount2("./4764/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4711/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4657/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4764/cgroup.cpu", [pid 301] newfstatat(AT_FDCWD, "./4711/cgroup.cpu", [pid 300] newfstatat(AT_FDCWD, "./4657/cgroup.cpu", [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4764/cgroup.cpu" [pid 301] unlink("./4711/cgroup.cpu" [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... unlink resumed>) = 0 [pid 300] unlink("./4657/cgroup.cpu" [pid 303] <... unlink resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 303] umount2("./4764/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4711/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4657/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4764/binderfs", [pid 301] newfstatat(AT_FDCWD, "./4711/binderfs", [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] newfstatat(AT_FDCWD, "./4657/binderfs", [pid 303] unlink("./4764/binderfs" [pid 301] unlink("./4711/binderfs" [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... unlink resumed>) = 0 [pid 300] unlink("./4657/binderfs" [pid 301] <... unlink resumed>) = 0 [pid 303] umount2("./4764/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4711/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... unlink resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] umount2("./4657/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] newfstatat(AT_FDCWD, "./4764/cgroup", [pid 301] newfstatat(AT_FDCWD, "./4711/cgroup", [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] newfstatat(AT_FDCWD, "./4657/cgroup", [pid 303] unlink("./4764/cgroup" [pid 301] unlink("./4711/cgroup" [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... unlink resumed>) = 0 [pid 300] unlink("./4657/cgroup" [pid 301] <... unlink resumed>) = 0 [pid 303] umount2("./4764/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4711/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... unlink resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] umount2("./4657/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] newfstatat(AT_FDCWD, "./4764/cgroup.net", [pid 301] newfstatat(AT_FDCWD, "./4711/cgroup.net", [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] unlink("./4764/cgroup.net" [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] newfstatat(AT_FDCWD, "./4657/cgroup.net", [pid 303] <... unlink resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4711/cgroup.net" [pid 303] getdents64(3, [pid 300] unlink("./4657/cgroup.net" [pid 301] <... unlink resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 4577] <... bpf resumed>) = 5 [pid 4574] <... bpf resumed>) = 5 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] getdents64(3, [pid 4577] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4574] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] close(3 [pid 300] getdents64(3, [pid 4577] <... futex resumed>) = 1 [pid 4575] <... futex resumed>) = 0 [pid 4574] <... futex resumed>) = 1 [pid 4573] <... futex resumed>) = 0 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4577] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4575] close(3 [pid 4574] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4573] close(3 [pid 303] <... close resumed>) = 0 [pid 301] close(3 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4575] <... close resumed>) = 0 [pid 4573] <... close resumed>) = 0 [pid 303] rmdir("./4764" [pid 301] <... close resumed>) = 0 [pid 4575] close(4 [pid 4573] close(4 [pid 300] close(3 [pid 4575] <... close resumed>) = 0 [pid 4573] <... close resumed>) = 0 [pid 4575] close(5 [pid 4573] close(5 [pid 4575] <... close resumed>) = 0 [pid 4573] <... close resumed>) = 0 [pid 303] <... rmdir resumed>) = 0 [pid 301] rmdir("./4711" [pid 300] <... close resumed>) = 0 [pid 4575] close(6 [pid 4573] close(6 [pid 303] mkdir("./4765", 0777 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] close(7 [pid 4573] close(7 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] close(8 [pid 4573] close(8 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] close(9 [pid 4573] close(9 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... rmdir resumed>) = 0 [pid 300] rmdir("./4657" [pid 4575] close(10 [pid 4573] close(10 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] close(11 [pid 4573] close(11 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] close(12 [pid 4573] close(12 [pid 303] <... mkdir resumed>) = 0 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] close(13 [pid 4573] close(13 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... rmdir resumed>) = 0 [pid 4575] close(14 [pid 4573] close(14 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 301] mkdir("./4712", 0777 [pid 300] mkdir("./4658", 0777 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] close(15 [pid 4573] close(15 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] close(16 [pid 4573] close(16 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4575] close(17 [pid 4573] close(17./strace-static-x86_64: Process 4579 attached [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] set_robust_list(0x5555557fd6a0, 24 [pid 4575] close(18 [pid 4573] close(18 [pid 4579] <... set_robust_list resumed>) = 0 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... mkdir resumed>) = 0 [pid 4579] chdir("./4765" [pid 4575] close(19 [pid 4573] close(19 [pid 4579] <... chdir resumed>) = 0 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13971 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] <... mkdir resumed>) = 0 [pid 4579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4575] close(20 [pid 4573] close(20 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4579] <... prctl resumed>) = 0 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] setpgid(0, 0 [pid 4575] close(21 [pid 4573] close(21 [pid 4579] <... setpgid resumed>) = 0 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4575] close(22 [pid 4573] close(22./strace-static-x86_64: Process 4580 attached [pid 4579] <... symlink resumed>) = 0 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4575] close(23 [pid 4573] close(23./strace-static-x86_64: Process 4581 attached [pid 4580] set_robust_list(0x5555557fd6a0, 24 [pid 4579] <... symlink resumed>) = 0 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13813 [pid 4581] set_robust_list(0x5555557fd6a0, 24 [pid 4579] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4575] close(24 [pid 4573] close(24 [pid 4581] <... set_robust_list resumed>) = 0 [pid 4580] <... set_robust_list resumed>) = 0 [pid 4579] <... symlink resumed>) = 0 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13684 [pid 4581] chdir("./4658" [pid 4579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4575] close(25 [pid 4573] close(25 [pid 4581] <... chdir resumed>) = 0 [pid 4580] chdir("./4712" [pid 4579] <... openat resumed>) = 3 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4580] <... chdir resumed>) = 0 [pid 4579] write(3, "1000", 4 [pid 4575] close(26 [pid 4573] close(26 [pid 4581] <... prctl resumed>) = 0 [pid 4580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4579] <... write resumed>) = 4 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] setpgid(0, 0 [pid 4580] <... prctl resumed>) = 0 [pid 4579] close(3 [pid 4575] close(27 [pid 4573] close(27 [pid 4581] <... setpgid resumed>) = 0 [pid 4580] setpgid(0, 0 [pid 4579] <... close resumed>) = 0 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4580] <... setpgid resumed>) = 0 [pid 4579] symlink("/dev/binderfs", "./binderfs" [pid 4575] close(28 [pid 4573] close(28 [pid 4581] <... symlink resumed>) = 0 [pid 4580] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4579] <... symlink resumed>) = 0 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4579] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4575] close(29 [pid 4573] close(29 [pid 4581] <... symlink resumed>) = 0 [pid 4580] <... symlink resumed>) = 0 [pid 4579] <... futex resumed>) = 0 [pid 4575] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4580] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4579] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4575] exit_group(0 [pid 4573] exit_group(0 [pid 4581] <... symlink resumed>) = 0 [pid 4579] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4577] <... futex resumed>) = ? [pid 4576] <... futex resumed>) = ? [pid 4575] <... exit_group resumed>) = ? [pid 4574] <... futex resumed>) = ? [pid 4573] <... exit_group resumed>) = ? [pid 4581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4580] <... symlink resumed>) = 0 [pid 4579] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4578] <... futex resumed>) = ? [pid 4577] +++ exited with 0 +++ [pid 4576] +++ exited with 0 +++ [pid 4574] +++ exited with 0 +++ [pid 4573] +++ exited with 0 +++ [pid 4581] <... openat resumed>) = 3 [pid 4580] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4581] write(3, "1000", 4 [pid 4579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4581] <... write resumed>) = 4 [pid 4579] <... mmap resumed>) = 0x7fba2fe97000 [pid 4581] close(3 [pid 4579] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4581] <... close resumed>) = 0 [pid 4579] <... mprotect resumed>) = 0 [pid 4581] symlink("/dev/binderfs", "./binderfs" [pid 4579] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4578] +++ exited with 0 +++ [pid 4575] +++ exited with 0 +++ [pid 4581] <... symlink resumed>) = 0 [pid 4580] <... symlink resumed>) = 0 [pid 4579] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4581] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 4582 attached [pid 4581] <... futex resumed>) = 0 [pid 4580] <... openat resumed>) = 3 [pid 302] restart_syscall(<... resuming interrupted clone ...> [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 4582] set_robust_list(0x7fba2feb79a0, 24 [pid 4581] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4580] write(3, "1000", 4 [pid 4579] <... clone3 resumed> => {parent_tid=[13972]}, 88) = 13972 [pid 4582] <... set_robust_list resumed>) = 0 [pid 4581] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4580] <... write resumed>) = 4 [pid 4579] rt_sigprocmask(SIG_SETMASK, [], [pid 299] <... restart_syscall resumed>) = 0 [pid 4582] rt_sigprocmask(SIG_SETMASK, [], [pid 4581] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4580] close(3 [pid 4579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] <... restart_syscall resumed>) = 0 [pid 4582] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4580] <... close resumed>) = 0 [pid 4579] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4582] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4580] symlink("/dev/binderfs", "./binderfs" [pid 4579] <... futex resumed>) = 0 [pid 4582] <... bpf resumed>) = 3 [pid 4581] <... mmap resumed>) = 0x7fba2fe97000 [pid 4579] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4581] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4582] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4581] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4580] <... symlink resumed>) = 0 [pid 302] umount2("./4732", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] umount2("./4620", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4582] <... futex resumed>) = 1 [pid 4581] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4580] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4579] <... futex resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4582] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4580] <... futex resumed>) = 0 [pid 4579] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] openat(AT_FDCWD, "./4732", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4583 attached [pid 4582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4580] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4579] <... futex resumed>) = 0 [pid 302] <... openat resumed>) = 3 [pid 299] openat(AT_FDCWD, "./4620", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4583] set_robust_list(0x7fba2feb79a0, 24 [pid 4582] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4581] <... clone3 resumed> => {parent_tid=[13685]}, 88) = 13685 [pid 4580] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4579] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] newfstatat(3, "", [pid 4583] <... set_robust_list resumed>) = 0 [pid 4581] rt_sigprocmask(SIG_SETMASK, [], [pid 4579] <... futex resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 4583] rt_sigprocmask(SIG_SETMASK, [], [pid 4581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4582] <... bpf resumed>) = 0 [pid 4583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4581] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4582] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4579] <... mmap resumed>) = 0x7fba2fe76000 [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] newfstatat(3, "", [pid 4583] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4582] <... futex resumed>) = 0 [pid 4581] <... futex resumed>) = 0 [pid 4580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4579] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4583] <... bpf resumed>) = 3 [pid 4582] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4581] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4579] <... mprotect resumed>) = 0 [pid 302] getdents64(3, [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4583] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4580] <... mmap resumed>) = 0x7fba2fe97000 [pid 4579] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4583] <... futex resumed>) = 0 [pid 4581] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4579] <... rt_sigprocmask resumed>[], 8) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4583] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4581] <... futex resumed>) = 0 [pid 4580] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 302] umount2("./4732/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] getdents64(3, ./strace-static-x86_64: Process 4584 attached [pid 4583] <... bpf resumed>) = 0 [pid 4581] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4580] <... mprotect resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4584] set_robust_list(0x7fba2fe969a0, 24 [pid 4583] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4581] <... futex resumed>) = 0 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4584] <... set_robust_list resumed>) = 0 [pid 4583] <... futex resumed>) = 0 [pid 4581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4579] <... clone3 resumed> => {parent_tid=[13973]}, 88) = 13973 [pid 302] newfstatat(AT_FDCWD, "./4732/cgroup.cpu", [pid 299] umount2("./4620/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4584] rt_sigprocmask(SIG_SETMASK, [], [pid 4583] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4581] <... mmap resumed>) = 0x7fba2fe76000 [pid 4580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4581] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4579] rt_sigprocmask(SIG_SETMASK, [], [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4584] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4581] <... mprotect resumed>) = 0 [pid 4580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 302] unlink("./4732/cgroup.cpu" [pid 299] newfstatat(AT_FDCWD, "./4620/cgroup.cpu", [pid 4581] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4579] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 4585 attached [pid 4581] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4585] set_robust_list(0x7fba2feb79a0, 24 [pid 4581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4579] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 4586 attached [pid 4585] <... set_robust_list resumed>) = 0 [pid 4580] <... clone3 resumed> => {parent_tid=[13814]}, 88) = 13814 [pid 302] <... unlink resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4586] set_robust_list(0x7fba2fe969a0, 24 [pid 4585] rt_sigprocmask(SIG_SETMASK, [], [pid 4584] <... futex resumed>) = 0 [pid 4581] <... clone3 resumed> => {parent_tid=[13686]}, 88) = 13686 [pid 4580] rt_sigprocmask(SIG_SETMASK, [], [pid 4579] <... futex resumed>) = 1 [pid 302] umount2("./4732/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] unlink("./4620/cgroup.cpu" [pid 4586] <... set_robust_list resumed>) = 0 [pid 4585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4584] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4581] rt_sigprocmask(SIG_SETMASK, [], [pid 4580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4579] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4586] rt_sigprocmask(SIG_SETMASK, [], [pid 4585] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4584] <... bpf resumed>) = 4 [pid 4581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4580] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] newfstatat(AT_FDCWD, "./4732/binderfs", [pid 299] <... unlink resumed>) = 0 [pid 4586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4584] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4581] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4580] <... futex resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4586] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4585] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4584] <... futex resumed>) = 1 [pid 4581] <... futex resumed>) = 0 [pid 4580] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4579] <... futex resumed>) = 0 [pid 302] unlink("./4732/binderfs" [pid 299] umount2("./4620/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4585] <... bpf resumed>) = 3 [pid 4584] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4581] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4579] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4585] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4579] <... futex resumed>) = 1 [pid 4586] <... bpf resumed>) = 4 [pid 4585] <... futex resumed>) = 0 [pid 4580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4579] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4585] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] <... unlink resumed>) = 0 [pid 4586] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4582] <... futex resumed>) = 0 [pid 4580] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] umount2("./4732/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4586] <... futex resumed>) = 1 [pid 4585] <... futex resumed>) = 0 [pid 4582] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4581] <... futex resumed>) = 0 [pid 4580] <... futex resumed>) = 1 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4620/binderfs", [pid 4586] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4585] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4581] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4580] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] newfstatat(AT_FDCWD, "./4732/cgroup", [pid 4585] <... bpf resumed>) = 0 [pid 4583] <... futex resumed>) = 0 [pid 4582] <... bpf resumed>) = 5 [pid 4581] <... futex resumed>) = 1 [pid 4580] <... futex resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4585] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4583] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4582] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4581] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 302] unlink("./4732/cgroup" [pid 299] unlink("./4620/binderfs" [pid 4585] <... futex resumed>) = 0 [pid 4583] <... bpf resumed>) = 5 [pid 4582] <... futex resumed>) = 1 [pid 4580] <... mmap resumed>) = 0x7fba2fe76000 [pid 4579] <... futex resumed>) = 0 [pid 4585] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4583] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4579] close(3 [pid 4583] <... futex resumed>) = 1 [pid 4581] <... futex resumed>) = 0 [pid 4579] <... close resumed>) = 0 [pid 4583] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4581] close(3 [pid 4579] close(4 [pid 4581] <... close resumed>) = 0 [pid 4579] <... close resumed>) = 0 [pid 4581] close(4 [pid 4579] close(5 [pid 4581] <... close resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 4581] close(5 [pid 4580] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 299] <... unlink resumed>) = 0 [pid 4582] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] umount2("./4732/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4580] <... mprotect resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] umount2("./4620/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 302] newfstatat(AT_FDCWD, "./4732/cgroup.net", [pid 4580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] newfstatat(AT_FDCWD, "./4620/cgroup", ./strace-static-x86_64: Process 4587 attached {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4587] set_robust_list(0x7fba2fe969a0, 24) = 0 [pid 302] unlink("./4732/cgroup.net" [pid 4587] rt_sigprocmask(SIG_SETMASK, [], [pid 4580] <... clone3 resumed> => {parent_tid=[13815]}, 88) = 13815 [pid 299] unlink("./4620/cgroup" [pid 4587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] <... unlink resumed>) = 0 [pid 4587] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4580] rt_sigprocmask(SIG_SETMASK, [], [pid 299] <... unlink resumed>) = 0 [pid 302] getdents64(3, [pid 4580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] umount2("./4620/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4580] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4580] <... futex resumed>) = 1 [pid 4587] <... futex resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] close(3 [pid 4587] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4580] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] newfstatat(AT_FDCWD, "./4620/cgroup.net", [pid 302] <... close resumed>) = 0 [pid 4587] <... bpf resumed>) = 4 [pid 302] rmdir("./4732" [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4587] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... rmdir resumed>) = 0 [pid 4587] <... futex resumed>) = 1 [pid 4580] <... futex resumed>) = 0 [pid 299] unlink("./4620/cgroup.net" [pid 4587] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4580] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] mkdir("./4733", 0777 [pid 299] <... unlink resumed>) = 0 [pid 4585] <... futex resumed>) = 0 [pid 4580] <... futex resumed>) = 1 [pid 4585] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 302] <... mkdir resumed>) = 0 [pid 4580] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] getdents64(3, ./strace-static-x86_64: Process 4588 attached 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4588] set_robust_list(0x5555557fd6a0, 24 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13905 [pid 299] close(3 [pid 4588] <... set_robust_list resumed>) = 0 [pid 4588] chdir("./4733" [pid 299] <... close resumed>) = 0 [pid 4588] <... chdir resumed>) = 0 [pid 299] rmdir("./4620" [pid 4588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4588] setpgid(0, 0) = 0 [pid 4588] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 299] <... rmdir resumed>) = 0 [pid 4588] <... symlink resumed>) = 0 [pid 299] mkdir("./4621", 0777 [pid 4588] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 299] <... mkdir resumed>) = 0 [pid 4588] <... symlink resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4589 attached [pid 4588] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4589] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 4589] chdir("./4621" [pid 4588] <... symlink resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13535 [pid 4589] <... chdir resumed>) = 0 [pid 4589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4589] setpgid(0, 0) = 0 [pid 4589] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4588] <... openat resumed>) = 3 [pid 4589] <... symlink resumed>) = 0 [pid 4589] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4588] write(3, "1000", 4 [pid 4589] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4588] <... write resumed>) = 4 [pid 4589] <... symlink resumed>) = 0 [pid 4588] close(3 [pid 4589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4588] <... close resumed>) = 0 [pid 4589] <... openat resumed>) = 3 [pid 4588] symlink("/dev/binderfs", "./binderfs" [pid 4589] write(3, "1000", 4 [pid 4588] <... symlink resumed>) = 0 [pid 4589] <... write resumed>) = 4 [pid 4588] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] close(3 [pid 4588] <... futex resumed>) = 0 [pid 4589] <... close resumed>) = 0 [pid 4588] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4589] symlink("/dev/binderfs", "./binderfs" [pid 4588] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4589] <... symlink resumed>) = 0 [pid 4588] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4589] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4589] <... futex resumed>) = 0 [pid 4588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4589] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4588] <... mmap resumed>) = 0x7fba2fe97000 [pid 4589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4588] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4588] <... mprotect resumed>) = 0 [pid 4589] <... mmap resumed>) = 0x7fba2fe97000 [pid 4588] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4589] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4588] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4589] <... mprotect resumed>) = 0 [pid 4589] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4590 attached [pid 4590] set_robust_list(0x7fba2feb79a0, 24) = 0 ./strace-static-x86_64: Process 4591 attached [pid 4590] rt_sigprocmask(SIG_SETMASK, [], [pid 4588] <... clone3 resumed> => {parent_tid=[13906]}, 88) = 13906 [pid 4591] set_robust_list(0x7fba2feb79a0, 24 [pid 4590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4589] <... clone3 resumed> => {parent_tid=[13536]}, 88) = 13536 [pid 4591] <... set_robust_list resumed>) = 0 [pid 4590] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4588] rt_sigprocmask(SIG_SETMASK, [], [pid 4591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4589] rt_sigprocmask(SIG_SETMASK, [], [pid 4588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4591] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4588] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4591] <... futex resumed>) = 0 [pid 4589] <... futex resumed>) = 1 [pid 4590] <... futex resumed>) = 0 [pid 4588] <... futex resumed>) = 1 [pid 4591] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4590] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4589] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4591] <... bpf resumed>) = 3 [pid 4590] <... bpf resumed>) = 3 [pid 4588] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4591] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4590] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4591] <... futex resumed>) = 1 [pid 4590] <... futex resumed>) = 0 [pid 4589] <... futex resumed>) = 0 [pid 4588] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4591] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4590] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4589] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4588] <... futex resumed>) = 0 [pid 4591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4590] <... bpf resumed>) = 0 [pid 4589] <... futex resumed>) = 0 [pid 4588] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4591] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4590] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4591] <... bpf resumed>) = 0 [pid 4590] <... futex resumed>) = 0 [pid 4589] <... futex resumed>) = 0 [pid 4588] <... futex resumed>) = 0 [pid 4591] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4590] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4591] <... futex resumed>) = 0 [pid 4589] <... mmap resumed>) = 0x7fba2fe76000 [pid 4588] <... mmap resumed>) = 0x7fba2fe76000 [pid 4591] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4589] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4588] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4589] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4588] <... mprotect resumed>) = 0 [pid 4589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4592 attached [pid 4588] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4592] set_robust_list(0x7fba2fe969a0, 24 [pid 4589] <... clone3 resumed> => {parent_tid=[13537]}, 88) = 13537 [pid 4592] <... set_robust_list resumed>) = 0 [pid 4589] rt_sigprocmask(SIG_SETMASK, [], [pid 4588] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4592] rt_sigprocmask(SIG_SETMASK, [], [pid 4589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4589] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4592] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4589] <... futex resumed>) = 0 ./strace-static-x86_64: Process 4593 attached [pid 4592] <... bpf resumed>) = 4 [pid 4589] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4593] set_robust_list(0x7fba2fe969a0, 24 [pid 4592] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4593] <... set_robust_list resumed>) = 0 [pid 4592] <... futex resumed>) = 0 [pid 4589] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4588] <... clone3 resumed> => {parent_tid=[13907]}, 88) = 13907 [pid 4593] rt_sigprocmask(SIG_SETMASK, [], [pid 4592] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4591] <... futex resumed>) = 0 [pid 4589] <... futex resumed>) = 1 [pid 4588] rt_sigprocmask(SIG_SETMASK, [], [pid 4593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4591] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4589] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4593] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4588] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4593] <... futex resumed>) = 0 [pid 4593] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4588] <... futex resumed>) = 1 [pid 4593] <... bpf resumed>) = 4 [pid 4588] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4593] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4593] <... futex resumed>) = 0 [pid 4588] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4593] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4590] <... futex resumed>) = 0 [pid 4588] <... futex resumed>) = 1 [pid 4590] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4581] <... close resumed>) = 0 [pid 4579] <... close resumed>) = 0 [pid 4588] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4581] close(6 [pid 4579] close(6 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(7 [pid 4579] close(7 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(8 [pid 4579] close(8 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(9 [pid 4579] close(9 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(10 [pid 4579] close(10 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(11 [pid 4579] close(11 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(12 [pid 4579] close(12 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(13 [pid 4579] close(13 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(14 [pid 4579] close(14 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(15 [pid 4579] close(15 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(16 [pid 4579] close(16 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(17 [pid 4579] close(17 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(18 [pid 4579] close(18 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(19 [pid 4579] close(19 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(20 [pid 4579] close(20 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(21 [pid 4579] close(21 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(22 [pid 4579] close(22 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(23 [pid 4579] close(23 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(24 [pid 4579] close(24 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(25 [pid 4579] close(25 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(26 [pid 4579] close(26 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(27 [pid 4579] close(27 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(28 [pid 4579] close(28 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] close(29 [pid 4579] close(29 [pid 4581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4581] exit_group(0 [pid 4579] exit_group(0 [pid 4586] <... futex resumed>) = ? [pid 4584] <... futex resumed>) = ? [pid 4583] <... futex resumed>) = ? [pid 4582] <... futex resumed>) = ? [pid 4581] <... exit_group resumed>) = ? [pid 4579] <... exit_group resumed>) = ? [pid 4586] +++ exited with 0 +++ [pid 4584] +++ exited with 0 +++ [pid 4583] +++ exited with 0 +++ [pid 4582] +++ exited with 0 +++ [pid 4581] +++ exited with 0 +++ [pid 4579] +++ exited with 0 +++ [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13971, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] umount2("./4658", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] openat(AT_FDCWD, "./4658", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 300] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] umount2("./4658/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4658/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] umount2("./4765", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] unlink("./4658/cgroup.cpu" [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] openat(AT_FDCWD, "./4765", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] <... unlink resumed>) = 0 [pid 303] <... openat resumed>) = 3 [pid 300] umount2("./4658/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] newfstatat(3, "", [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] newfstatat(AT_FDCWD, "./4658/binderfs", [pid 303] getdents64(3, [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] unlink("./4658/binderfs" [pid 303] umount2("./4765/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] <... unlink resumed>) = 0 [pid 303] newfstatat(AT_FDCWD, "./4765/cgroup.cpu", [pid 300] umount2("./4658/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] unlink("./4765/cgroup.cpu" [pid 300] newfstatat(AT_FDCWD, "./4658/cgroup", [pid 303] <... unlink resumed>) = 0 [pid 303] umount2("./4765/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] unlink("./4658/cgroup" [pid 303] newfstatat(AT_FDCWD, "./4765/binderfs", [pid 300] <... unlink resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] umount2("./4658/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] unlink("./4765/binderfs" [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... unlink resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4658/cgroup.net", [pid 303] umount2("./4765/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] unlink("./4658/cgroup.net" [pid 303] newfstatat(AT_FDCWD, "./4765/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... unlink resumed>) = 0 [pid 303] unlink("./4765/cgroup" [pid 300] getdents64(3, [pid 303] <... unlink resumed>) = 0 [pid 303] umount2("./4765/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] close(3 [pid 303] newfstatat(AT_FDCWD, "./4765/cgroup.net", [pid 300] <... close resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] rmdir("./4658" [pid 303] unlink("./4765/cgroup.net" [pid 300] <... rmdir resumed>) = 0 [pid 303] <... unlink resumed>) = 0 [pid 300] mkdir("./4659", 0777 [pid 303] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] <... mkdir resumed>) = 0 [pid 303] close(3 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 303] <... close resumed>) = 0 ./strace-static-x86_64: Process 4594 attached [pid 303] rmdir("./4765" [pid 4594] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 4594] chdir("./4659") = 0 [pid 4594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4594] setpgid(0, 0 [pid 303] <... rmdir resumed>) = 0 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13687 [pid 4594] <... setpgid resumed>) = 0 [pid 303] mkdir("./4766", 0777 [pid 4594] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4594] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 303] <... mkdir resumed>) = 0 [pid 4594] <... symlink resumed>) = 0 [pid 4594] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4594] <... symlink resumed>) = 0 [pid 4594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4594] write(3, "1000", 4) = 4 [pid 4594] close(3) = 0 [pid 4594] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 4595 attached ) = 0 [pid 4595] set_robust_list(0x5555557fd6a0, 24 [pid 4594] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13974 [pid 4595] <... set_robust_list resumed>) = 0 [pid 4594] <... futex resumed>) = 0 [pid 4594] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4595] chdir("./4766" [pid 4594] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4595] <... chdir resumed>) = 0 [pid 4594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4595] <... prctl resumed>) = 0 [pid 4594] <... mmap resumed>) = 0x7fba2fe97000 [pid 4595] setpgid(0, 0 [pid 4594] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4595] <... setpgid resumed>) = 0 [pid 4594] <... mprotect resumed>) = 0 [pid 4594] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4595] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4596 attached [pid 4595] <... symlink resumed>) = 0 [pid 4596] set_robust_list(0x7fba2feb79a0, 24 [pid 4595] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4594] <... clone3 resumed> => {parent_tid=[13688]}, 88) = 13688 [pid 4596] <... set_robust_list resumed>) = 0 [pid 4594] rt_sigprocmask(SIG_SETMASK, [], [pid 4596] rt_sigprocmask(SIG_SETMASK, [], [pid 4594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4595] <... symlink resumed>) = 0 [pid 4594] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4596] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4595] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4594] <... futex resumed>) = 0 [pid 4596] <... bpf resumed>) = 3 [pid 4594] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4596] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4596] <... futex resumed>) = 0 [pid 4594] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4596] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4595] <... symlink resumed>) = 0 [pid 4594] <... futex resumed>) = 0 [pid 4596] <... bpf resumed>) = 0 [pid 4594] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4596] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4594] <... futex resumed>) = 0 [pid 4596] <... futex resumed>) = 0 [pid 4595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4596] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4594] <... mmap resumed>) = 0x7fba2fe76000 [pid 4595] <... openat resumed>) = 3 [pid 4594] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4595] write(3, "1000", 4 [pid 4594] <... mprotect resumed>) = 0 [pid 4595] <... write resumed>) = 4 [pid 4594] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4595] close(3 [pid 4594] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4595] <... close resumed>) = 0 [pid 4594] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4597 attached [pid 4595] symlink("/dev/binderfs", "./binderfs" [pid 4597] set_robust_list(0x7fba2fe969a0, 24 [pid 4594] <... clone3 resumed> => {parent_tid=[13689]}, 88) = 13689 [pid 4594] rt_sigprocmask(SIG_SETMASK, [], [pid 4595] <... symlink resumed>) = 0 [pid 4594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4597] <... set_robust_list resumed>) = 0 [pid 4595] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4594] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4597] rt_sigprocmask(SIG_SETMASK, [], [pid 4595] <... futex resumed>) = 0 [pid 4594] <... futex resumed>) = 0 [pid 4597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4595] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4594] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4597] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4595] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4597] <... bpf resumed>) = 4 [pid 4597] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4591] <... bpf resumed>) = 5 [pid 4590] <... bpf resumed>) = 5 [pid 4585] <... bpf resumed>) = 5 [pid 4597] <... futex resumed>) = 1 [pid 4595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4594] <... futex resumed>) = 0 [pid 4591] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4590] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4585] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4597] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4594] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4591] <... futex resumed>) = 1 [pid 4590] <... futex resumed>) = 1 [pid 4589] <... futex resumed>) = 0 [pid 4588] <... futex resumed>) = 0 [pid 4585] <... futex resumed>) = 1 [pid 4580] <... futex resumed>) = 0 [pid 4596] <... futex resumed>) = 0 [pid 4595] <... mmap resumed>) = 0x7fba2fe97000 [pid 4594] <... futex resumed>) = 1 [pid 4591] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4590] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4589] close(3 [pid 4588] close(3 [pid 4585] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4580] close(3 [pid 4596] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4595] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4594] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4589] <... close resumed>) = 0 [pid 4588] <... close resumed>) = 0 [pid 4580] <... close resumed>) = 0 [pid 4596] <... bpf resumed>) = 5 [pid 4595] <... mprotect resumed>) = 0 [pid 4589] close(4 [pid 4588] close(4 [pid 4580] close(4 [pid 4596] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] <... close resumed>) = 0 [pid 4580] <... close resumed>) = 0 [pid 4596] <... futex resumed>) = 1 [pid 4595] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4594] <... futex resumed>) = 0 [pid 4589] close(5 [pid 4588] <... close resumed>) = 0 [pid 4580] close(5 [pid 4596] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4595] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4594] close(3 [pid 4589] <... close resumed>) = 0 [pid 4588] close(5 [pid 4580] <... close resumed>) = 0 [pid 4595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4594] <... close resumed>) = 0 [pid 4589] close(6 [pid 4580] close(6 [pid 4594] close(4 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4594] <... close resumed>) = 0 [pid 4589] close(7 [pid 4580] close(7./strace-static-x86_64: Process 4598 attached [pid 4594] close(5 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4598] set_robust_list(0x7fba2feb79a0, 24 [pid 4595] <... clone3 resumed> => {parent_tid=[13975]}, 88) = 13975 [pid 4589] close(8 [pid 4580] close(8 [pid 4598] <... set_robust_list resumed>) = 0 [pid 4595] rt_sigprocmask(SIG_SETMASK, [], [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4598] rt_sigprocmask(SIG_SETMASK, [], [pid 4595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4589] close(9 [pid 4580] close(9 [pid 4598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4595] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4598] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4595] <... futex resumed>) = 0 [pid 4589] close(10 [pid 4580] close(10 [pid 4598] <... bpf resumed>) = 3 [pid 4595] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4598] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4589] close(11 [pid 4580] close(11 [pid 4598] <... futex resumed>) = 0 [pid 4595] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4598] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4595] <... futex resumed>) = 0 [pid 4589] close(12 [pid 4580] close(12 [pid 4598] <... bpf resumed>) = 0 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4598] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4595] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] close(13 [pid 4580] close(13 [pid 4598] <... futex resumed>) = 0 [pid 4595] <... futex resumed>) = 0 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4598] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4595] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4589] close(14 [pid 4580] close(14 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4589] close(15 [pid 4580] close(15 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4589] close(16 [pid 4580] close(16 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4589] close(17 [pid 4580] close(17 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4589] close(18 [pid 4580] close(18 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4589] close(19 [pid 4580] close(19 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4589] close(20 [pid 4580] close(20 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4598] <... bpf resumed>) = 4 [pid 4589] close(21 [pid 4580] close(21 [pid 4598] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4598] <... futex resumed>) = 1 [pid 4595] <... futex resumed>) = 0 [pid 4589] close(22 [pid 4580] close(22 [pid 4598] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4595] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4595] <... futex resumed>) = 0 [pid 4589] close(23 [pid 4580] close(23 [pid 4598] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4595] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4589] close(24 [pid 4580] close(24 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4589] close(25 [pid 4580] close(25 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4589] close(26 [pid 4580] close(26 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4589] close(27 [pid 4580] close(27 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4589] close(28 [pid 4580] close(28 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4589] close(29 [pid 4580] close(29 [pid 4589] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4589] exit_group(0 [pid 4592] <... futex resumed>) = ? [pid 4591] <... futex resumed>) = ? [pid 4589] <... exit_group resumed>) = ? [pid 4580] exit_group(0 [pid 4592] +++ exited with 0 +++ [pid 4591] +++ exited with 0 +++ [pid 4589] +++ exited with 0 +++ [pid 4587] <... futex resumed>) = ? [pid 4585] <... futex resumed>) = ? [pid 4580] <... exit_group resumed>) = ? [pid 4587] +++ exited with 0 +++ [pid 4585] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 299] umount2("./4621", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./4621", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4580] +++ exited with 0 +++ [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13813, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] getdents64(3, [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] <... restart_syscall resumed>) = 0 [pid 299] umount2("./4621/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4621/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] umount2("./4712", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] unlink("./4621/cgroup.cpu" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... unlink resumed>) = 0 [pid 301] openat(AT_FDCWD, "./4712", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] umount2("./4621/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... openat resumed>) = 3 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(3, "", [pid 299] newfstatat(AT_FDCWD, "./4621/binderfs", [pid 301] <... 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 301] getdents64(3, [pid 299] unlink("./4621/binderfs" [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] <... unlink resumed>) = 0 [pid 301] umount2("./4712/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] umount2("./4621/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4712/cgroup.cpu", [pid 299] newfstatat(AT_FDCWD, "./4621/cgroup", [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4712/cgroup.cpu" [pid 299] unlink("./4621/cgroup") = 0 [pid 299] umount2("./4621/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... unlink resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] umount2("./4712/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] newfstatat(AT_FDCWD, "./4621/cgroup.net", [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] newfstatat(AT_FDCWD, "./4712/binderfs", [pid 299] unlink("./4621/cgroup.net" [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... unlink resumed>) = 0 [pid 301] unlink("./4712/binderfs" [pid 299] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 301] <... unlink resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 299] rmdir("./4621" [pid 301] umount2("./4712/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... rmdir resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] mkdir("./4622", 0777 [pid 301] newfstatat(AT_FDCWD, "./4712/cgroup", [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 4599 attached [pid 301] unlink("./4712/cgroup" [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13538 [pid 4599] set_robust_list(0x5555557fd6a0, 24 [pid 301] <... unlink resumed>) = 0 [pid 4599] <... set_robust_list resumed>) = 0 [pid 301] umount2("./4712/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4599] chdir("./4622" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4599] <... chdir resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4712/cgroup.net", [pid 4599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4599] <... prctl resumed>) = 0 [pid 301] unlink("./4712/cgroup.net" [pid 4599] setpgid(0, 0) = 0 [pid 301] <... unlink resumed>) = 0 [pid 4599] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 301] getdents64(3, [pid 4599] <... symlink resumed>) = 0 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4599] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 301] close(3 [pid 4599] <... symlink resumed>) = 0 [pid 301] <... close resumed>) = 0 [pid 4599] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 301] rmdir("./4712" [pid 4599] <... symlink resumed>) = 0 [pid 301] <... rmdir resumed>) = 0 [pid 4599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 301] mkdir("./4713", 0777 [pid 4599] <... openat resumed>) = 3 [pid 4599] write(3, "1000", 4 [pid 301] <... mkdir resumed>) = 0 [pid 4599] <... write resumed>) = 4 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4599] close(3./strace-static-x86_64: Process 4600 attached ) = 0 [pid 4600] set_robust_list(0x5555557fd6a0, 24 [pid 4599] symlink("/dev/binderfs", "./binderfs" [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13816 [pid 4600] <... set_robust_list resumed>) = 0 [pid 4600] chdir("./4713") = 0 [pid 4599] <... symlink resumed>) = 0 [pid 4600] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4599] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4594] <... close resumed>) = 0 [pid 4588] <... close resumed>) = 0 [pid 4600] <... prctl resumed>) = 0 [pid 4599] <... futex resumed>) = 0 [pid 4594] close(6 [pid 4588] close(6 [pid 4600] setpgid(0, 0 [pid 4599] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4600] <... setpgid resumed>) = 0 [pid 4599] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4594] close(7 [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4600] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4599] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] close(7 [pid 4600] <... symlink resumed>) = 0 [pid 4599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4594] close(8 [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4600] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] close(8 [pid 4600] <... symlink resumed>) = 0 [pid 4594] close(9 [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4600] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4599] <... mmap resumed>) = 0x7fba2fe97000 [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] close(9 [pid 4600] <... symlink resumed>) = 0 [pid 4599] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4594] close(10 [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] close(10 [pid 4599] <... mprotect resumed>) = 0 [pid 4600] <... openat resumed>) = 3 [pid 4594] close(11 [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4588] close(11 [pid 4600] write(3, "1000", 4 [pid 4599] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4600] <... write resumed>) = 4 [pid 4599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4594] close(12 [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4600] close(3./strace-static-x86_64: Process 4601 attached [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] close(12 [pid 4601] set_robust_list(0x7fba2feb79a0, 24 [pid 4600] <... close resumed>) = 0 [pid 4599] <... clone3 resumed> => {parent_tid=[13539]}, 88) = 13539 [pid 4594] close(13 [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4601] <... set_robust_list resumed>) = 0 [pid 4600] symlink("/dev/binderfs", "./binderfs" [pid 4599] rt_sigprocmask(SIG_SETMASK, [], [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] close(13 [pid 4601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4600] <... symlink resumed>) = 0 [pid 4594] close(14 [pid 4601] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4600] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4600] <... futex resumed>) = 0 [pid 4599] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4594] close(15 [pid 4588] close(14 [pid 4601] <... futex resumed>) = 0 [pid 4600] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4599] <... futex resumed>) = 1 [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4601] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4600] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4599] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4594] close(16 [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4601] <... bpf resumed>) = 3 [pid 4600] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] close(15 [pid 4601] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4594] close(17 [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4601] <... futex resumed>) = 1 [pid 4600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4599] <... futex resumed>) = 0 [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] close(16 [pid 4601] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4600] <... mmap resumed>) = 0x7fba2fe97000 [pid 4599] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4594] close(18 [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4600] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4599] <... futex resumed>) = 0 [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] close(17 [pid 4601] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4600] <... mprotect resumed>) = 0 [pid 4599] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4594] close(19 [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4601] <... bpf resumed>) = 0 [pid 4599] <... futex resumed>) = 0 [pid 4601] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4601] <... futex resumed>) = 0 [pid 4600] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4599] <... mmap resumed>) = 0x7fba2fe76000 [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] close(18 [pid 4601] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4600] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4599] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4594] close(20 [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4599] <... mprotect resumed>) = 0 [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] close(19 [pid 4599] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 4602 attached [], 8) = 0 [pid 4594] close(21 [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4602] set_robust_list(0x7fba2feb79a0, 24 [pid 4600] <... clone3 resumed> => {parent_tid=[13817]}, 88) = 13817 [pid 4599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] close(20 [pid 4602] <... set_robust_list resumed>) = 0 [pid 4600] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 4603 attached [pid 4602] rt_sigprocmask(SIG_SETMASK, [], [pid 4600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4599] <... clone3 resumed> => {parent_tid=[13540]}, 88) = 13540 [pid 4594] close(22 [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4603] set_robust_list(0x7fba2fe969a0, 24 [pid 4602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4600] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4599] rt_sigprocmask(SIG_SETMASK, [], [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] close(21 [pid 4603] <... set_robust_list resumed>) = 0 [pid 4602] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4600] <... futex resumed>) = 0 [pid 4599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4594] close(23 [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4603] rt_sigprocmask(SIG_SETMASK, [], [pid 4602] <... bpf resumed>) = 3 [pid 4600] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4599] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] close(22 [pid 4603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4602] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4599] <... futex resumed>) = 0 [pid 4603] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4602] <... futex resumed>) = 0 [pid 4600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4599] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4594] close(24 [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4602] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4600] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] close(23 [pid 4602] <... futex resumed>) = 0 [pid 4600] <... futex resumed>) = 1 [pid 4594] close(25 [pid 4603] <... bpf resumed>) = 4 [pid 4602] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4600] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4603] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4602] <... bpf resumed>) = 0 [pid 4600] <... futex resumed>) = 0 [pid 4594] close(26 [pid 4588] close(24 [pid 4603] <... futex resumed>) = 1 [pid 4602] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4599] <... futex resumed>) = 0 [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4603] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4602] <... futex resumed>) = 0 [pid 4599] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4594] close(27 [pid 4600] <... mmap resumed>) = 0x7fba2fe76000 [pid 4588] close(25 [pid 4602] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4601] <... futex resumed>) = 0 [pid 4600] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4599] <... futex resumed>) = 1 [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4601] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4600] <... mprotect resumed>) = 0 [pid 4599] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4594] close(28 [pid 4588] close(26 [pid 4600] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4600] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4594] close(29 [pid 4588] close(27 [pid 4600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4594] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4594] exit_group(0 [pid 4597] <... futex resumed>) = ? [pid 4596] <... futex resumed>) = ? [pid 4594] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 4604 attached [pid 4597] +++ exited with 0 +++ [pid 4596] +++ exited with 0 +++ [pid 4594] +++ exited with 0 +++ [pid 4588] close(28 [pid 4604] set_robust_list(0x7fba2fe969a0, 24) = 0 [pid 4604] rt_sigprocmask(SIG_SETMASK, [], [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4600] <... clone3 resumed> => {parent_tid=[13818]}, 88) = 13818 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13687, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4588] close(29 [pid 4600] rt_sigprocmask(SIG_SETMASK, [], [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 4604] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 300] <... restart_syscall resumed>) = 0 [pid 4600] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4588] exit_group(0 [pid 4604] <... futex resumed>) = 0 [pid 4600] <... futex resumed>) = 1 [pid 4593] <... futex resumed>) = ? [pid 4604] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4600] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4593] +++ exited with 0 +++ [pid 4590] <... futex resumed>) = ? [pid 4588] <... exit_group resumed>) = ? [pid 4604] <... bpf resumed>) = 4 [pid 4590] +++ exited with 0 +++ [pid 4604] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4600] <... futex resumed>) = 0 [pid 4604] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4600] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4602] <... futex resumed>) = 0 [pid 4600] <... futex resumed>) = 1 [pid 4602] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4600] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4588] +++ exited with 0 +++ [pid 300] umount2("./4659", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] openat(AT_FDCWD, "./4659", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] umount2("./4733", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] <... openat resumed>) = 3 [pid 302] openat(AT_FDCWD, "./4733", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] newfstatat(3, "", [pid 302] <... openat resumed>) = 3 [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] newfstatat(3, "", [pid 300] getdents64(3, [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] getdents64(3, [pid 300] umount2("./4659/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] umount2("./4733/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] newfstatat(AT_FDCWD, "./4659/cgroup.cpu", [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4733/cgroup.cpu", [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4659/cgroup.cpu" [pid 302] unlink("./4733/cgroup.cpu" [pid 300] <... unlink resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] umount2("./4659/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4733/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4733/binderfs", [pid 300] newfstatat(AT_FDCWD, "./4659/binderfs", [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4733/binderfs" [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] unlink("./4659/binderfs" [pid 302] umount2("./4733/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] <... unlink resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4733/cgroup", [pid 300] umount2("./4659/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4733/cgroup" [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... unlink resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4659/cgroup", [pid 302] umount2("./4733/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] unlink("./4659/cgroup" [pid 302] newfstatat(AT_FDCWD, "./4733/cgroup.net", [pid 300] <... unlink resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] umount2("./4659/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] unlink("./4733/cgroup.net" [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... unlink resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4659/cgroup.net", [pid 302] getdents64(3, [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] unlink("./4659/cgroup.net" [pid 302] close(3 [pid 300] <... unlink resumed>) = 0 [pid 302] <... close resumed>) = 0 [pid 300] getdents64(3, [pid 4602] <... bpf resumed>) = 5 [pid 4601] <... bpf resumed>) = 5 [pid 4598] <... bpf resumed>) = 5 [pid 4602] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4601] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4598] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] rmdir("./4733" [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4602] <... futex resumed>) = 1 [pid 4601] <... futex resumed>) = 1 [pid 4600] <... futex resumed>) = 0 [pid 4599] <... futex resumed>) = 0 [pid 4598] <... futex resumed>) = 1 [pid 4595] <... futex resumed>) = 0 [pid 4602] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4601] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4600] close(3 [pid 4599] close(3 [pid 4600] <... close resumed>) = 0 [pid 4599] <... close resumed>) = 0 [pid 4598] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4595] close(3 [pid 302] <... rmdir resumed>) = 0 [pid 300] close(3 [pid 4600] close(4 [pid 4599] close(4 [pid 4595] <... close resumed>) = 0 [pid 302] mkdir("./4734", 0777 [pid 4600] <... close resumed>) = 0 [pid 4599] <... close resumed>) = 0 [pid 4595] close(4 [pid 300] <... close resumed>) = 0 [pid 4600] close(5 [pid 4599] close(5 [pid 4600] <... close resumed>) = 0 [pid 4599] <... close resumed>) = 0 [pid 4600] close(6 [pid 4599] close(6 [pid 4595] <... close resumed>) = 0 [pid 302] <... mkdir resumed>) = 0 [pid 300] rmdir("./4659" [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4595] close(5 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4600] close(7 [pid 4599] close(7 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4600] close(8 [pid 4599] close(8 [pid 300] <... rmdir resumed>) = 0 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4600] close(9 [pid 4599] close(9 [pid 4595] <... close resumed>) = 0 [pid 300] mkdir("./4660", 0777 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4600] close(10 [pid 4599] close(10 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4600] close(11 [pid 4599] close(11./strace-static-x86_64: Process 4605 attached [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4595] close(6 [pid 4605] set_robust_list(0x5555557fd6a0, 24 [pid 4600] close(12 [pid 4599] close(12 [pid 4605] <... set_robust_list resumed>) = 0 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13908 [pid 300] <... mkdir resumed>) = 0 [pid 4605] chdir("./4734" [pid 4600] close(13 [pid 4599] close(13 [pid 4595] close(7 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4605] <... chdir resumed>) = 0 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4600] close(14 [pid 4599] close(14 [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... prctl resumed>) = 0 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] setpgid(0, 0 [pid 4600] close(15 [pid 4599] close(15 [pid 4605] <... setpgid resumed>) = 0 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4606 attached [pid 4605] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4600] close(16 [pid 4599] close(16 [pid 4595] close(8 [pid 4606] set_robust_list(0x5555557fd6a0, 24 [pid 4605] <... symlink resumed>) = 0 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13690 [pid 4606] <... set_robust_list resumed>) = 0 [pid 4605] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4600] close(17 [pid 4599] close(17 [pid 4595] close(9 [pid 4606] chdir("./4660" [pid 4605] <... symlink resumed>) = 0 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] <... chdir resumed>) = 0 [pid 4605] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4600] close(18 [pid 4599] close(18 [pid 4606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4605] <... symlink resumed>) = 0 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4595] close(10 [pid 4606] <... prctl resumed>) = 0 [pid 4605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4600] close(19 [pid 4599] close(19 [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] setpgid(0, 0 [pid 4605] <... openat resumed>) = 3 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] <... setpgid resumed>) = 0 [pid 4605] write(3, "1000", 4 [pid 4600] close(20 [pid 4599] close(20 [pid 4595] close(11 [pid 4606] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4605] <... write resumed>) = 4 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] <... symlink resumed>) = 0 [pid 4605] close(3 [pid 4600] close(21 [pid 4599] close(21 [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4605] <... close resumed>) = 0 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4595] close(12 [pid 4606] <... symlink resumed>) = 0 [pid 4605] symlink("/dev/binderfs", "./binderfs" [pid 4600] close(22 [pid 4599] close(22 [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4605] <... symlink resumed>) = 0 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4595] close(13 [pid 4606] <... symlink resumed>) = 0 [pid 4605] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4600] close(23 [pid 4599] close(23 [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4605] <... futex resumed>) = 0 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4595] close(14 [pid 4606] <... openat resumed>) = 3 [pid 4605] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4600] close(24 [pid 4599] close(24 [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] write(3, "1000", 4 [pid 4605] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4595] close(15 [pid 4606] <... write resumed>) = 4 [pid 4605] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4600] close(25 [pid 4599] close(25 [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] close(3 [pid 4605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] <... close resumed>) = 0 [pid 4605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4600] close(26 [pid 4599] close(26 [pid 4595] close(16 [pid 4606] symlink("/dev/binderfs", "./binderfs" [pid 4605] <... mmap resumed>) = 0x7fba2fe97000 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] <... symlink resumed>) = 0 [pid 4605] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4600] close(27 [pid 4599] close(27 [pid 4595] close(17 [pid 4606] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4605] <... mprotect resumed>) = 0 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] <... futex resumed>) = 0 [pid 4605] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4600] close(28 [pid 4599] close(28 [pid 4595] close(18 [pid 4606] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4605] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4605] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4600] close(29 [pid 4599] close(29 [pid 4595] close(19 [pid 4606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4599] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4607 attached [pid 4606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4605] <... clone3 resumed> => {parent_tid=[13909]}, 88) = 13909 [pid 4600] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4599] exit_group(0 [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4607] set_robust_list(0x7fba2feb79a0, 24 [pid 4606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4605] rt_sigprocmask(SIG_SETMASK, [], [pid 4603] <... futex resumed>) = ? [pid 4601] <... futex resumed>) = ? [pid 4600] exit_group(0 [pid 4599] <... exit_group resumed>) = ? [pid 4595] close(20 [pid 4607] <... set_robust_list resumed>) = 0 [pid 4606] <... mmap resumed>) = 0x7fba2fe97000 [pid 4605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4604] <... futex resumed>) = ? [pid 4603] +++ exited with 0 +++ [pid 4602] <... futex resumed>) = ? [pid 4601] +++ exited with 0 +++ [pid 4600] <... exit_group resumed>) = ? [pid 4599] +++ exited with 0 +++ [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4607] rt_sigprocmask(SIG_SETMASK, [], [pid 4606] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4605] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4604] +++ exited with 0 +++ [pid 4602] +++ exited with 0 +++ [pid 4606] <... mprotect resumed>) = 0 [pid 4605] <... futex resumed>) = 0 [pid 4606] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4605] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4606] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4608 attached [pid 4600] +++ exited with 0 +++ [pid 4595] close(21 [pid 4608] set_robust_list(0x7fba2feb79a0, 24 [pid 4607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4606] <... clone3 resumed> => {parent_tid=[13691]}, 88) = 13691 [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4608] <... set_robust_list resumed>) = 0 [pid 4607] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4606] rt_sigprocmask(SIG_SETMASK, [], [pid 4595] close(22 [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13816, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4608] rt_sigprocmask(SIG_SETMASK, [], [pid 4607] <... bpf resumed>) = 3 [pid 4606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 4608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4607] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4606] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4595] close(23 [pid 4608] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4607] <... futex resumed>) = 1 [pid 4606] <... futex resumed>) = 0 [pid 4605] <... futex resumed>) = 0 [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... restart_syscall resumed>) = 0 [pid 4608] <... bpf resumed>) = 3 [pid 4607] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4606] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4605] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4608] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4605] <... futex resumed>) = 0 [pid 4595] close(24 [pid 4608] <... futex resumed>) = 0 [pid 4607] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4606] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4605] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4608] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4606] <... futex resumed>) = 0 [pid 4605] <... futex resumed>) = 0 [pid 4608] <... bpf resumed>) = 0 [pid 4607] <... bpf resumed>) = 0 [pid 4606] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4595] close(25 [pid 4608] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4607] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4606] <... futex resumed>) = 0 [pid 4605] <... mmap resumed>) = 0x7fba2fe76000 [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] umount2("./4713", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4608] <... futex resumed>) = 0 [pid 4607] <... futex resumed>) = 0 [pid 4606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4605] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4608] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4606] <... mmap resumed>) = 0x7fba2fe76000 [pid 4607] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4605] <... mprotect resumed>) = 0 [pid 4595] close(26 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4606] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4605] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] openat(AT_FDCWD, "./4713", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] umount2("./4622", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4606] <... mprotect resumed>) = 0 [pid 4605] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4606] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4605] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4595] close(27 [pid 301] <... openat resumed>) = 3 ./strace-static-x86_64: Process 4609 attached [pid 4606] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] newfstatat(3, "", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4609] set_robust_list(0x7fba2fe969a0, 24 [pid 4606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4595] close(28 [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 4610 attached [pid 4609] <... set_robust_list resumed>) = 0 [pid 4605] <... clone3 resumed> => {parent_tid=[13910]}, 88) = 13910 [pid 299] openat(AT_FDCWD, "./4622", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4606] <... clone3 resumed> => {parent_tid=[13692]}, 88) = 13692 [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4609] rt_sigprocmask(SIG_SETMASK, [], [pid 4606] rt_sigprocmask(SIG_SETMASK, [], [pid 4605] rt_sigprocmask(SIG_SETMASK, [], [pid 301] getdents64(3, [pid 299] <... openat resumed>) = 3 [pid 4610] set_robust_list(0x7fba2fe969a0, 24 [pid 4609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4595] close(29 [pid 4610] <... set_robust_list resumed>) = 0 [pid 4606] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4595] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4609] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] newfstatat(3, "", [pid 4610] rt_sigprocmask(SIG_SETMASK, [], [pid 4606] <... futex resumed>) = 0 [pid 4595] exit_group(0 [pid 301] umount2("./4713/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4606] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4605] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4595] <... exit_group resumed>) = ? [pid 4598] <... futex resumed>) = ? [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4610] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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] getdents64(3, [pid 4609] <... futex resumed>) = 0 [pid 4605] <... futex resumed>) = 1 [pid 4609] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4605] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4610] <... bpf resumed>) = 4 [pid 4609] <... bpf resumed>) = 4 [pid 4598] +++ exited with 0 +++ [pid 4595] +++ exited with 0 +++ [pid 301] newfstatat(AT_FDCWD, "./4713/cgroup.cpu", [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4610] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4609] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] umount2("./4622/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4610] <... futex resumed>) = 1 [pid 4609] <... futex resumed>) = 1 [pid 4606] <... futex resumed>) = 0 [pid 4605] <... futex resumed>) = 0 [pid 301] unlink("./4713/cgroup.cpu" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4610] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4609] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4606] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4605] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] newfstatat(AT_FDCWD, "./4622/cgroup.cpu", [pid 4608] <... futex resumed>) = 0 [pid 4606] <... futex resumed>) = 1 [pid 4605] <... futex resumed>) = 1 [pid 301] <... unlink resumed>) = 0 [pid 4607] <... futex resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4608] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4607] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4606] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4605] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 303] umount2("./4766", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4713/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] unlink("./4622/cgroup.cpu" [pid 4608] <... bpf resumed>) = 5 [pid 4607] <... bpf resumed>) = 5 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... unlink resumed>) = 0 [pid 4608] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4607] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] openat(AT_FDCWD, "./4766", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] newfstatat(AT_FDCWD, "./4713/binderfs", [pid 299] umount2("./4622/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4608] <... futex resumed>) = 1 [pid 4607] <... futex resumed>) = 1 [pid 4606] <... futex resumed>) = 0 [pid 4605] <... futex resumed>) = 0 [pid 303] <... openat resumed>) = 3 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4606] close(3 [pid 4605] close(3 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] newfstatat(AT_FDCWD, "./4622/binderfs", [pid 4608] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4607] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4606] <... close resumed>) = 0 [pid 4605] <... close resumed>) = 0 [pid 303] newfstatat(3, "", [pid 301] unlink("./4713/binderfs" [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4606] close(4 [pid 4605] close(4 [pid 299] unlink("./4622/binderfs" [pid 4606] <... close resumed>) = 0 [pid 4605] <... close resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] <... unlink resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 4606] close(5 [pid 4605] close(5 [pid 303] getdents64(3, [pid 301] umount2("./4713/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] umount2("./4622/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] umount2("./4766/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] newfstatat(AT_FDCWD, "./4713/cgroup", [pid 299] newfstatat(AT_FDCWD, "./4622/cgroup", [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] newfstatat(AT_FDCWD, "./4766/cgroup.cpu", [pid 301] unlink("./4713/cgroup" [pid 299] unlink("./4622/cgroup" [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... unlink resumed>) = 0 [pid 299] umount2("./4622/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] unlink("./4766/cgroup.cpu" [pid 301] <... unlink resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4622/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... unlink resumed>) = 0 [pid 301] umount2("./4713/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] unlink("./4622/cgroup.net" [pid 303] umount2("./4766/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... unlink resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4713/cgroup.net", [pid 299] getdents64(3, [pid 303] newfstatat(AT_FDCWD, "./4766/binderfs", [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] close(3 [pid 303] unlink("./4766/binderfs" [pid 299] <... close resumed>) = 0 [pid 301] unlink("./4713/cgroup.net" [pid 299] rmdir("./4622" [pid 303] <... unlink resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 303] umount2("./4766/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] getdents64(3, [pid 299] mkdir("./4623", 0777 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 303] newfstatat(AT_FDCWD, "./4766/cgroup", [pid 301] close(3./strace-static-x86_64: Process 4611 attached [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13541 [pid 4611] set_robust_list(0x5555557fd6a0, 24 [pid 303] unlink("./4766/cgroup" [pid 301] <... close resumed>) = 0 [pid 4611] <... set_robust_list resumed>) = 0 [pid 303] <... unlink resumed>) = 0 [pid 301] rmdir("./4713" [pid 4611] chdir("./4623") = 0 [pid 301] <... rmdir resumed>) = 0 [pid 303] umount2("./4766/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 301] mkdir("./4714", 0777 [pid 4611] <... prctl resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... mkdir resumed>) = 0 [pid 4611] setpgid(0, 0 [pid 303] newfstatat(AT_FDCWD, "./4766/cgroup.net", [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4611] <... setpgid resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4611] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 303] unlink("./4766/cgroup.net"./strace-static-x86_64: Process 4612 attached [pid 4612] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 303] <... unlink resumed>) = 0 [pid 4612] chdir("./4714" [pid 4611] <... symlink resumed>) = 0 [pid 4612] <... chdir resumed>) = 0 [pid 303] getdents64(3, [pid 4611] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13819 [pid 4612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4612] <... prctl resumed>) = 0 [pid 4612] setpgid(0, 0) = 0 [pid 4611] <... symlink resumed>) = 0 [pid 303] close(3 [pid 4612] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4611] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 303] <... close resumed>) = 0 [pid 4612] <... symlink resumed>) = 0 [pid 4612] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4611] <... symlink resumed>) = 0 [pid 303] rmdir("./4766" [pid 4612] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4612] write(3, "1000", 4) = 4 [pid 303] <... rmdir resumed>) = 0 [pid 4612] close(3) = 0 [pid 4612] symlink("/dev/binderfs", "./binderfs" [pid 4611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 303] mkdir("./4767", 0777 [pid 4612] <... symlink resumed>) = 0 [pid 4612] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4611] <... openat resumed>) = 3 [pid 4612] <... futex resumed>) = 0 [pid 4612] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4611] write(3, "1000", 4 [pid 303] <... mkdir resumed>) = 0 [pid 4612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4611] <... write resumed>) = 4 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4612] <... mmap resumed>) = 0x7fba2fe97000 [pid 4611] close(3 [pid 4612] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4612] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4614 attached ./strace-static-x86_64: Process 4613 attached [pid 4611] <... close resumed>) = 0 [pid 4614] set_robust_list(0x7fba2feb79a0, 24 [pid 4613] set_robust_list(0x5555557fd6a0, 24 [pid 4612] <... clone3 resumed> => {parent_tid=[13820]}, 88) = 13820 [pid 4611] symlink("/dev/binderfs", "./binderfs" [pid 4614] <... set_robust_list resumed>) = 0 [pid 4613] <... set_robust_list resumed>) = 0 [pid 4612] rt_sigprocmask(SIG_SETMASK, [], [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13976 [pid 4614] rt_sigprocmask(SIG_SETMASK, [], [pid 4613] chdir("./4767" [pid 4612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4611] <... symlink resumed>) = 0 [pid 4614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4613] <... chdir resumed>) = 0 [pid 4612] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4611] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4614] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4612] <... futex resumed>) = 0 [pid 4611] <... futex resumed>) = 0 [pid 4614] <... bpf resumed>) = 3 [pid 4613] <... prctl resumed>) = 0 [pid 4612] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4611] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4614] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] setpgid(0, 0 [pid 4612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4611] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4614] <... futex resumed>) = 0 [pid 4613] <... setpgid resumed>) = 0 [pid 4612] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4611] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4614] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4613] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4612] <... futex resumed>) = 0 [pid 4611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4614] <... bpf resumed>) = 0 [pid 4613] <... symlink resumed>) = 0 [pid 4612] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4614] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4612] <... futex resumed>) = 0 [pid 4611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4614] <... futex resumed>) = 0 [pid 4613] <... symlink resumed>) = 0 [pid 4613] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4614] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4613] <... symlink resumed>) = 0 [pid 4612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4611] <... mmap resumed>) = 0x7fba2fe97000 [pid 4613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4612] <... mmap resumed>) = 0x7fba2fe76000 [pid 4611] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4613] <... openat resumed>) = 3 [pid 4612] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4611] <... mprotect resumed>) = 0 [pid 4613] write(3, "1000", 4 [pid 4612] <... mprotect resumed>) = 0 [pid 4613] <... write resumed>) = 4 [pid 4613] close(3 [pid 4611] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4613] <... close resumed>) = 0 [pid 4612] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4611] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4613] symlink("/dev/binderfs", "./binderfs" [pid 4612] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4613] <... symlink resumed>) = 0 [pid 4612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4613] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 4615 attached [pid 4613] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4615] set_robust_list(0x7fba2feb79a0, 24 [pid 4613] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 4616 attached [pid 4615] <... set_robust_list resumed>) = 0 [pid 4613] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4611] <... clone3 resumed> => {parent_tid=[13542]}, 88) = 13542 [pid 4612] <... clone3 resumed> => {parent_tid=[13821]}, 88) = 13821 [pid 4616] set_robust_list(0x7fba2fe969a0, 24 [pid 4615] rt_sigprocmask(SIG_SETMASK, [], [pid 4613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4612] rt_sigprocmask(SIG_SETMASK, [], [pid 4611] rt_sigprocmask(SIG_SETMASK, [], [pid 4616] <... set_robust_list resumed>) = 0 [pid 4615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4616] rt_sigprocmask(SIG_SETMASK, [], [pid 4615] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4613] <... mmap resumed>) = 0x7fba2fe97000 [pid 4612] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4611] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4613] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4612] <... futex resumed>) = 0 [pid 4611] <... futex resumed>) = 0 [pid 4616] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4615] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4613] <... mprotect resumed>) = 0 [pid 4612] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4616] <... bpf resumed>) = 4 [pid 4615] <... bpf resumed>) = 3 [pid 4613] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4611] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4616] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4615] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4616] <... futex resumed>) = 1 [pid 4615] <... futex resumed>) = 0 [pid 4613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4606] <... close resumed>) = 0 [pid 4605] <... close resumed>) = 0 ./strace-static-x86_64: Process 4617 attached [pid 4616] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4615] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4612] <... futex resumed>) = 0 [pid 4611] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4606] close(6 [pid 4605] close(6 [pid 4617] set_robust_list(0x7fba2feb79a0, 24 [pid 4615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4613] <... clone3 resumed> => {parent_tid=[13977]}, 88) = 13977 [pid 4612] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4611] <... futex resumed>) = 0 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4617] <... set_robust_list resumed>) = 0 [pid 4615] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4614] <... futex resumed>) = 0 [pid 4613] rt_sigprocmask(SIG_SETMASK, [], [pid 4612] <... futex resumed>) = 1 [pid 4611] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4606] close(7 [pid 4605] close(7 [pid 4617] rt_sigprocmask(SIG_SETMASK, [], [pid 4615] <... bpf resumed>) = 0 [pid 4614] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4612] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4611] <... futex resumed>) = 0 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4615] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4606] close(8 [pid 4605] close(8 [pid 4617] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4615] <... futex resumed>) = 0 [pid 4613] <... futex resumed>) = 0 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4617] <... bpf resumed>) = 3 [pid 4615] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4613] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4611] <... mmap resumed>) = 0x7fba2fe76000 [pid 4606] close(9 [pid 4605] close(9 [pid 4617] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4611] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4617] <... futex resumed>) = 0 [pid 4613] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4611] <... mprotect resumed>) = 0 [pid 4606] close(10 [pid 4605] close(10 [pid 4617] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4613] <... futex resumed>) = 0 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4613] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4611] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4606] close(11 [pid 4605] close(11 [pid 4617] <... bpf resumed>) = 0 [pid 4613] <... futex resumed>) = 0 [pid 4611] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4617] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4606] close(12 [pid 4605] close(12 [pid 4617] <... futex resumed>) = 0 [pid 4613] <... mmap resumed>) = 0x7fba2fe76000 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4618 attached [pid 4617] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4613] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4606] close(13 [pid 4605] close(13 [pid 4618] set_robust_list(0x7fba2fe969a0, 24 [pid 4613] <... mprotect resumed>) = 0 [pid 4611] <... clone3 resumed> => {parent_tid=[13543]}, 88) = 13543 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4618] <... set_robust_list resumed>) = 0 [pid 4613] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4606] close(14 [pid 4605] close(14 [pid 4618] rt_sigprocmask(SIG_SETMASK, [], [pid 4613] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4611] rt_sigprocmask(SIG_SETMASK, [], [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4618] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4606] close(15 [pid 4605] close(15./strace-static-x86_64: Process 4619 attached [pid 4618] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4611] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4619] set_robust_list(0x7fba2fe969a0, 24 [pid 4618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4613] <... clone3 resumed> => {parent_tid=[13978]}, 88) = 13978 [pid 4606] close(16 [pid 4605] close(16 [pid 4611] <... futex resumed>) = 0 [pid 4619] <... set_robust_list resumed>) = 0 [pid 4618] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4613] rt_sigprocmask(SIG_SETMASK, [], [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4619] rt_sigprocmask(SIG_SETMASK, [], [pid 4618] <... bpf resumed>) = 4 [pid 4613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4611] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4606] close(17 [pid 4605] close(17 [pid 4619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4618] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4619] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4618] <... futex resumed>) = 0 [pid 4613] <... futex resumed>) = 0 [pid 4611] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4606] close(18 [pid 4605] close(18 [pid 4613] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] close(19 [pid 4605] close(19 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] close(20 [pid 4605] close(20 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4619] <... bpf resumed>) = 4 [pid 4618] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4606] close(21 [pid 4615] <... futex resumed>) = 0 [pid 4611] <... futex resumed>) = 1 [pid 4605] close(21 [pid 4619] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4615] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4611] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4619] <... futex resumed>) = 1 [pid 4613] <... futex resumed>) = 0 [pid 4606] close(22 [pid 4605] close(22 [pid 4619] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4613] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4617] <... futex resumed>) = 0 [pid 4613] <... futex resumed>) = 1 [pid 4606] close(23 [pid 4605] close(23 [pid 4617] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4613] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] close(24 [pid 4605] close(24 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] close(25 [pid 4605] close(25 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] close(26 [pid 4605] close(26 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] close(27 [pid 4605] close(27 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] close(28 [pid 4605] close(28 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] close(29 [pid 4605] close(29 [pid 4606] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4606] exit_group(0 [pid 4605] exit_group(0 [pid 4610] <... futex resumed>) = ? [pid 4609] <... futex resumed>) = ? [pid 4608] <... futex resumed>) = ? [pid 4607] <... futex resumed>) = ? [pid 4606] <... exit_group resumed>) = ? [pid 4605] <... exit_group resumed>) = ? [pid 4610] +++ exited with 0 +++ [pid 4609] +++ exited with 0 +++ [pid 4608] +++ exited with 0 +++ [pid 4607] +++ exited with 0 +++ [pid 4606] +++ exited with 0 +++ [pid 4605] +++ exited with 0 +++ [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13908, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13690, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 302] umount2("./4734", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4660", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] openat(AT_FDCWD, "./4734", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] openat(AT_FDCWD, "./4660", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] <... openat resumed>) = 3 [pid 300] <... openat resumed>) = 3 [pid 302] newfstatat(3, "", [pid 300] newfstatat(3, "", [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] getdents64(3, [pid 300] getdents64(3, [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] umount2("./4734/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4660/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4734/cgroup.cpu", [pid 300] newfstatat(AT_FDCWD, "./4660/cgroup.cpu", [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4734/cgroup.cpu" [pid 300] unlink("./4660/cgroup.cpu" [pid 302] <... unlink resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 302] umount2("./4734/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4660/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4734/binderfs", [pid 300] newfstatat(AT_FDCWD, "./4660/binderfs", [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4734/binderfs" [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] unlink("./4660/binderfs" [pid 302] umount2("./4734/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] <... unlink resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4734/cgroup", [pid 300] umount2("./4660/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] unlink("./4734/cgroup" [pid 300] newfstatat(AT_FDCWD, "./4660/cgroup", [pid 302] <... unlink resumed>) = 0 [pid 302] umount2("./4734/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] unlink("./4660/cgroup" [pid 302] newfstatat(AT_FDCWD, "./4734/cgroup.net", [pid 300] <... unlink resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] umount2("./4660/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] unlink("./4734/cgroup.net" [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... unlink resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4660/cgroup.net", [pid 302] getdents64(3, [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] unlink("./4660/cgroup.net" [pid 302] close(3 [pid 300] <... unlink resumed>) = 0 [pid 302] <... close resumed>) = 0 [pid 302] rmdir("./4734" [pid 300] getdents64(3, [pid 302] <... rmdir resumed>) = 0 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] mkdir("./4735", 0777) = 0 [pid 300] close(3 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] <... close resumed>) = 0 ./strace-static-x86_64: Process 4620 attached [pid 300] rmdir("./4660" [pid 4620] set_robust_list(0x5555557fd6a0, 24 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13911 [pid 4620] <... set_robust_list resumed>) = 0 [pid 4620] chdir("./4735") = 0 [pid 300] <... rmdir resumed>) = 0 [pid 4620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4620] setpgid(0, 0 [pid 300] mkdir("./4661", 0777 [pid 4620] <... setpgid resumed>) = 0 [pid 4620] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4620] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 300] <... mkdir resumed>) = 0 [pid 4620] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 4621 attached [pid 4621] set_robust_list(0x5555557fd6a0, 24 [pid 4620] <... openat resumed>) = 3 [pid 4621] <... set_robust_list resumed>) = 0 [pid 4621] chdir("./4661" [pid 4620] write(3, "1000", 4 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13693 [pid 4621] <... chdir resumed>) = 0 [pid 4621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4620] <... write resumed>) = 4 [pid 4621] <... prctl resumed>) = 0 [pid 4620] close(3 [pid 4621] setpgid(0, 0) = 0 [pid 4620] <... close resumed>) = 0 [pid 4617] <... bpf resumed>) = 5 [pid 4615] <... bpf resumed>) = 5 [pid 4614] <... bpf resumed>) = 5 [pid 4621] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4620] symlink("/dev/binderfs", "./binderfs" [pid 4617] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4615] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4614] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4617] <... futex resumed>) = 1 [pid 4615] <... futex resumed>) = 1 [pid 4613] <... futex resumed>) = 0 [pid 4611] <... futex resumed>) = 0 [pid 4621] <... symlink resumed>) = 0 [pid 4617] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4615] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4614] <... futex resumed>) = 1 [pid 4613] close(3 [pid 4612] <... futex resumed>) = 0 [pid 4611] close(3 [pid 4613] <... close resumed>) = 0 [pid 4611] <... close resumed>) = 0 [pid 4613] close(4 [pid 4611] close(4 [pid 4613] <... close resumed>) = 0 [pid 4611] <... close resumed>) = 0 [pid 4613] close(5 [pid 4611] close(5 [pid 4621] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4620] <... symlink resumed>) = 0 [pid 4614] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4613] <... close resumed>) = 0 [pid 4612] close(3 [pid 4611] <... close resumed>) = 0 [pid 4620] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] close(6 [pid 4611] close(6 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4621] <... symlink resumed>) = 0 [pid 4620] <... futex resumed>) = 0 [pid 4613] close(7 [pid 4612] <... close resumed>) = 0 [pid 4611] close(7 [pid 4621] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4620] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4612] close(4 [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4613] close(8 [pid 4611] close(8 [pid 4612] <... close resumed>) = 0 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4621] <... symlink resumed>) = 0 [pid 4620] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4613] close(9 [pid 4612] close(5 [pid 4611] close(9 [pid 4621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4613] close(10 [pid 4612] <... close resumed>) = 0 [pid 4611] close(10 [pid 4621] <... openat resumed>) = 3 [pid 4620] <... mmap resumed>) = 0x7fba2fe97000 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4612] close(6 [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4621] write(3, "1000", 4 [pid 4620] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4613] close(11 [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] close(11 [pid 4621] <... write resumed>) = 4 [pid 4620] <... mprotect resumed>) = 0 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4612] close(7 [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4621] close(3 [pid 4620] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4613] close(12 [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] close(12 [pid 4620] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4612] close(8 [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4621] <... close resumed>) = 0 [pid 4620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4613] close(13 [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] close(13 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4613] close(14 [pid 4611] close(14 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4622 attached [pid 4621] symlink("/dev/binderfs", "./binderfs" [pid 4613] close(15 [pid 4612] close(9 [pid 4611] close(15 [pid 4622] set_robust_list(0x7fba2feb79a0, 24 [pid 4620] <... clone3 resumed> => {parent_tid=[13912]}, 88) = 13912 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4622] <... set_robust_list resumed>) = 0 [pid 4621] <... symlink resumed>) = 0 [pid 4620] rt_sigprocmask(SIG_SETMASK, [], [pid 4613] close(16 [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] close(16 [pid 4622] rt_sigprocmask(SIG_SETMASK, [], [pid 4621] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4612] close(10 [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4621] <... futex resumed>) = 0 [pid 4620] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] close(17 [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] close(17 [pid 4622] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4622] <... bpf resumed>) = 3 [pid 4621] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4620] <... futex resumed>) = 0 [pid 4613] close(18 [pid 4612] close(11 [pid 4611] close(18 [pid 4622] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4620] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4622] <... futex resumed>) = 0 [pid 4621] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4613] close(19 [pid 4612] close(12 [pid 4611] close(19 [pid 4622] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4620] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4620] <... futex resumed>) = 0 [pid 4613] close(20 [pid 4612] close(13 [pid 4611] close(20 [pid 4622] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4621] <... mmap resumed>) = 0x7fba2fe97000 [pid 4620] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4613] close(21 [pid 4611] close(21 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] <... futex resumed>) = 0 [pid 4613] close(22 [pid 4622] <... bpf resumed>) = 0 [pid 4611] close(22 [pid 4612] close(14 [pid 4622] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4622] <... futex resumed>) = 0 [pid 4621] <... mprotect resumed>) = 0 [pid 4613] close(23 [pid 4611] close(23 [pid 4622] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4620] <... mmap resumed>) = 0x7fba2fe76000 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4612] close(15 [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4621] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4620] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4613] close(24 [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] close(24 [pid 4621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4620] <... mprotect resumed>) = 0 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4612] close(16 [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4613] close(25 [pid 4611] close(25./strace-static-x86_64: Process 4623 attached [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4623] set_robust_list(0x7fba2feb79a0, 24 [pid 4621] <... clone3 resumed> => {parent_tid=[13694]}, 88) = 13694 [pid 4620] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4613] close(26 [pid 4612] close(17 [pid 4611] close(26 [pid 4623] <... set_robust_list resumed>) = 0 [pid 4621] rt_sigprocmask(SIG_SETMASK, [], [pid 4620] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4623] rt_sigprocmask(SIG_SETMASK, [], [pid 4621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4613] close(27 [pid 4612] close(18 [pid 4611] close(27 [pid 4623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4623] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4613] close(28 [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] close(28 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4624 attached [pid 4621] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4613] close(29 [pid 4612] close(19 [pid 4611] close(29 [pid 4624] set_robust_list(0x7fba2fe969a0, 24 [pid 4623] <... futex resumed>) = 0 [pid 4621] <... futex resumed>) = 1 [pid 4620] <... clone3 resumed> => {parent_tid=[13913]}, 88) = 13913 [pid 4613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4624] <... set_robust_list resumed>) = 0 [pid 4623] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4621] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4620] rt_sigprocmask(SIG_SETMASK, [], [pid 4613] exit_group(0 [pid 4612] close(20 [pid 4611] exit_group(0 [pid 4624] rt_sigprocmask(SIG_SETMASK, [], [pid 4623] <... bpf resumed>) = 3 [pid 4620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4619] <... futex resumed>) = ? [pid 4618] <... futex resumed>) = ? [pid 4617] <... futex resumed>) = ? [pid 4615] <... futex resumed>) = ? [pid 4613] <... exit_group resumed>) = ? [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4611] <... exit_group resumed>) = ? [pid 4624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4623] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4620] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4619] +++ exited with 0 +++ [pid 4618] +++ exited with 0 +++ [pid 4617] +++ exited with 0 +++ [pid 4615] +++ exited with 0 +++ [pid 4613] +++ exited with 0 +++ [pid 4612] close(21 [pid 4611] +++ exited with 0 +++ [pid 4624] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4623] <... futex resumed>) = 1 [pid 4621] <... futex resumed>) = 0 [pid 4620] <... futex resumed>) = 0 [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13976, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4620] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] umount2("./4623", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./4623", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4624] <... bpf resumed>) = 4 [pid 4623] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4621] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4612] close(22 [pid 299] <... openat resumed>) = 3 [pid 4624] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... futex resumed>) = 0 [pid 299] newfstatat(3, "", [pid 4621] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4623] <... bpf resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4624] <... futex resumed>) = 1 [pid 4623] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... futex resumed>) = 0 [pid 4620] <... futex resumed>) = 0 [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] getdents64(3, [pid 4624] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4623] <... futex resumed>) = 0 [pid 4621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4620] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4612] close(23 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4623] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4622] <... futex resumed>) = 0 [pid 4621] <... mmap resumed>) = 0x7fba2fe76000 [pid 4620] <... futex resumed>) = 1 [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] umount2("./4623/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4622] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4621] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4620] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4612] close(24 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4621] <... mprotect resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4623/cgroup.cpu", [pid 4621] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4612] close(25 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4621] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] unlink("./4623/cgroup.cpu" [pid 4621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4612] close(26 [pid 303] umount2("./4767", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4625 attached [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] umount2("./4623/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4625] set_robust_list(0x7fba2fe969a0, 24 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4625] <... set_robust_list resumed>) = 0 [pid 4621] <... clone3 resumed> => {parent_tid=[13695]}, 88) = 13695 [pid 4612] close(27 [pid 303] openat(AT_FDCWD, "./4767", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] newfstatat(AT_FDCWD, "./4623/binderfs", [pid 4625] rt_sigprocmask(SIG_SETMASK, [], [pid 4621] rt_sigprocmask(SIG_SETMASK, [], [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... openat resumed>) = 3 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4612] close(28 [pid 303] newfstatat(3, "", [pid 299] unlink("./4623/binderfs" [pid 4625] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4621] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... unlink resumed>) = 0 [pid 4625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 299] umount2("./4623/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4625] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4621] <... futex resumed>) = 0 [pid 4612] close(29 [pid 303] getdents64(3, [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4625] <... bpf resumed>) = 4 [pid 4621] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4612] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] newfstatat(AT_FDCWD, "./4623/cgroup", [pid 4625] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4612] exit_group(0 [pid 303] umount2("./4767/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4625] <... futex resumed>) = 1 [pid 4621] <... futex resumed>) = 0 [pid 4616] <... futex resumed>) = ? [pid 4614] <... futex resumed>) = ? [pid 4612] <... exit_group resumed>) = ? [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4623/cgroup" [pid 4625] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4621] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4616] +++ exited with 0 +++ [pid 4614] +++ exited with 0 +++ [pid 299] <... unlink resumed>) = 0 [pid 4623] <... futex resumed>) = 0 [pid 4621] <... futex resumed>) = 1 [pid 299] umount2("./4623/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4623] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4621] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4612] +++ exited with 0 +++ [pid 303] newfstatat(AT_FDCWD, "./4767/cgroup.cpu", [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13819, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] newfstatat(AT_FDCWD, "./4623/cgroup.net", [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4623] <... bpf resumed>) = 5 [pid 4622] <... bpf resumed>) = 5 [pid 303] unlink("./4767/cgroup.cpu" [pid 299] unlink("./4623/cgroup.net" [pid 4623] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4622] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... unlink resumed>) = 0 [pid 301] umount2("./4714", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... unlink resumed>) = 0 [pid 4623] <... futex resumed>) = 1 [pid 4622] <... futex resumed>) = 1 [pid 4621] <... futex resumed>) = 0 [pid 4620] <... futex resumed>) = 0 [pid 303] umount2("./4767/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] getdents64(3, [pid 4623] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4622] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4621] close(3 [pid 4620] close(3 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] openat(AT_FDCWD, "./4714", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4621] <... close resumed>) = 0 [pid 4620] <... close resumed>) = 0 [pid 303] newfstatat(AT_FDCWD, "./4767/binderfs", [pid 301] <... openat resumed>) = 3 [pid 299] close(3 [pid 4621] close(4 [pid 4620] close(4 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] newfstatat(3, "", [pid 299] <... close resumed>) = 0 [pid 4621] <... close resumed>) = 0 [pid 4620] <... close resumed>) = 0 [pid 303] unlink("./4767/binderfs" [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] rmdir("./4623" [pid 4621] close(5 [pid 4620] close(5 [pid 303] <... unlink resumed>) = 0 [pid 301] getdents64(3, [pid 299] <... rmdir resumed>) = 0 [pid 4621] <... close resumed>) = 0 [pid 4620] <... close resumed>) = 0 [pid 303] umount2("./4767/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] mkdir("./4624", 0777 [pid 4621] close(6 [pid 4620] close(6 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] umount2("./4714/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... mkdir resumed>) = 0 [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] newfstatat(AT_FDCWD, "./4767/cgroup", [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4626 attached [pid 4621] close(7 [pid 4620] close(7 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] newfstatat(AT_FDCWD, "./4714/cgroup.cpu", [pid 4626] set_robust_list(0x5555557fd6a0, 24 [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] unlink("./4767/cgroup" [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13544 [pid 4626] <... set_robust_list resumed>) = 0 [pid 4621] close(8 [pid 4620] close(8 [pid 303] <... unlink resumed>) = 0 [pid 301] unlink("./4714/cgroup.cpu" [pid 4626] chdir("./4624" [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] umount2("./4767/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... unlink resumed>) = 0 [pid 4626] <... chdir resumed>) = 0 [pid 4621] close(9 [pid 4620] close(9 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] umount2("./4714/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] newfstatat(AT_FDCWD, "./4767/cgroup.net", [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4626] <... prctl resumed>) = 0 [pid 4621] close(10 [pid 4620] close(10 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] newfstatat(AT_FDCWD, "./4714/binderfs", [pid 4626] setpgid(0, 0 [pid 303] unlink("./4767/cgroup.net" [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4626] <... setpgid resumed>) = 0 [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... unlink resumed>) = 0 [pid 301] unlink("./4714/binderfs" [pid 4626] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4621] close(11 [pid 4620] close(11 [pid 303] getdents64(3, [pid 4626] <... symlink resumed>) = 0 [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] <... unlink resumed>) = 0 [pid 4626] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4621] close(12 [pid 4620] close(12 [pid 303] close(3 [pid 301] umount2("./4714/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4626] <... symlink resumed>) = 0 [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... close resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4626] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 303] rmdir("./4767" [pid 4626] <... symlink resumed>) = 0 [pid 4621] close(13 [pid 4620] close(13 [pid 303] <... rmdir resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4714/cgroup", [pid 4626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] mkdir("./4768", 0777 [pid 4626] <... openat resumed>) = 3 [pid 4621] close(14 [pid 4620] close(14 [pid 303] <... mkdir resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4626] write(3, "1000", 4 [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 301] unlink("./4714/cgroup"./strace-static-x86_64: Process 4627 attached [pid 4626] <... write resumed>) = 4 [pid 4621] close(15 [pid 4620] close(15 [pid 4626] close(3 [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13979 [pid 4627] set_robust_list(0x5555557fd6a0, 24 [pid 4626] <... close resumed>) = 0 [pid 4621] close(16 [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... unlink resumed>) = 0 [pid 4627] <... set_robust_list resumed>) = 0 [pid 4626] symlink("/dev/binderfs", "./binderfs" [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] close(16 [pid 301] umount2("./4714/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4627] chdir("./4768" [pid 4626] <... symlink resumed>) = 0 [pid 4621] close(17 [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4627] <... chdir resumed>) = 0 [pid 4626] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] close(17 [pid 301] newfstatat(AT_FDCWD, "./4714/cgroup.net", [pid 4627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4626] <... futex resumed>) = 0 [pid 4621] close(18 [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] <... prctl resumed>) = 0 [pid 4626] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] close(18 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4627] setpgid(0, 0 [pid 4626] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4621] close(19 [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] unlink("./4714/cgroup.net" [pid 4627] <... setpgid resumed>) = 0 [pid 4626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] close(19 [pid 4626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] <... unlink resumed>) = 0 [pid 4626] <... mmap resumed>) = 0x7fba2fe97000 [pid 4626] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4627] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4621] close(20 [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] getdents64(3, [pid 4626] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4627] <... symlink resumed>) = 0 [pid 4626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] close(20./strace-static-x86_64: Process 4628 attached [pid 4627] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4621] close(21 [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4628] set_robust_list(0x7fba2feb79a0, 24 [pid 4626] <... clone3 resumed> => {parent_tid=[13545]}, 88) = 13545 [pid 4627] <... symlink resumed>) = 0 [pid 4626] rt_sigprocmask(SIG_SETMASK, [], [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] close(21 [pid 4628] <... set_robust_list resumed>) = 0 [pid 301] close(3 [pid 4627] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4621] close(22 [pid 4628] rt_sigprocmask(SIG_SETMASK, [], [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4626] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... close resumed>) = 0 [pid 4628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4627] <... symlink resumed>) = 0 [pid 4626] <... futex resumed>) = 0 [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] close(22 [pid 301] rmdir("./4714" [pid 4628] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4626] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4621] close(23 [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4628] <... bpf resumed>) = 3 [pid 4627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] close(23 [pid 301] <... rmdir resumed>) = 0 [pid 4628] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4627] <... openat resumed>) = 3 [pid 4628] <... futex resumed>) = 1 [pid 4627] write(3, "1000", 4 [pid 4626] <... futex resumed>) = 0 [pid 4621] close(24 [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] mkdir("./4715", 0777 [pid 4628] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4627] <... write resumed>) = 4 [pid 4626] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] close(24 [pid 4626] <... futex resumed>) = 0 [pid 4626] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe76000 [pid 4626] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4621] close(25 [pid 301] <... mkdir resumed>) = 0 [pid 4628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4627] close(3 [pid 4626] <... mprotect resumed>) = 0 [pid 4628] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4627] <... close resumed>) = 0 [pid 4626] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4629 attached [pid 4628] <... bpf resumed>) = 0 [pid 4627] symlink("/dev/binderfs", "./binderfs" [pid 4621] close(26 [pid 4620] close(25 [pid 4629] set_robust_list(0x7fba2fe969a0, 24 [pid 4626] <... clone3 resumed> => {parent_tid=[13546]}, 88) = 13546 ./strace-static-x86_64: Process 4630 attached [pid 4629] <... set_robust_list resumed>) = 0 [pid 4627] <... symlink resumed>) = 0 [pid 4626] rt_sigprocmask(SIG_SETMASK, [], [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4628] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] set_robust_list(0x5555557fd6a0, 24 [pid 4629] rt_sigprocmask(SIG_SETMASK, [], [pid 4628] <... futex resumed>) = 0 [pid 4627] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4621] close(27 [pid 4620] close(26 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13822 [pid 4630] <... set_robust_list resumed>) = 0 [pid 4629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4628] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4627] <... futex resumed>) = 0 [pid 4626] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4630] chdir("./4715" [pid 4629] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4627] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4626] <... futex resumed>) = 0 [pid 4621] close(28 [pid 4620] close(27 [pid 4630] <... chdir resumed>) = 0 [pid 4629] <... bpf resumed>) = 4 [pid 4627] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4626] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4629] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4627] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4621] close(29 [pid 4620] close(28 [pid 4630] <... prctl resumed>) = 0 [pid 4629] <... futex resumed>) = 0 [pid 4627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4626] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4630] setpgid(0, 0 [pid 4629] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4628] <... futex resumed>) = 0 [pid 4627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4626] <... futex resumed>) = 1 [pid 4621] exit_group(0 [pid 4620] close(29 [pid 4630] <... setpgid resumed>) = 0 [pid 4628] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4626] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4627] <... mmap resumed>) = 0x7fba2fe97000 [pid 4630] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4625] <... futex resumed>) = ? [pid 4623] <... futex resumed>) = ? [pid 4621] <... exit_group resumed>) = ? [pid 4620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4630] <... symlink resumed>) = 0 [pid 4627] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4625] +++ exited with 0 +++ [pid 4623] +++ exited with 0 +++ [pid 4630] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4630] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 4621] +++ exited with 0 +++ [pid 4630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4627] <... mprotect resumed>) = 0 [pid 4620] exit_group(0 [pid 4630] write(3, "1000", 4) = 4 [pid 4630] close(3 [pid 4624] <... futex resumed>) = ? [pid 4622] <... futex resumed>) = ? [pid 4620] <... exit_group resumed>) = ? [pid 4630] <... close resumed>) = 0 [pid 4628] <... bpf resumed>) = 5 [pid 4630] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4627] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4624] +++ exited with 0 +++ [pid 4622] +++ exited with 0 +++ [pid 4630] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4630] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4620] +++ exited with 0 +++ [pid 4630] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4630] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4628] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4627] <... rt_sigprocmask resumed>[], 8) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4630] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4628] <... futex resumed>) = 1 [pid 4627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4626] <... futex resumed>) = 0 [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13911, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 4631 attached [pid 4630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4628] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4626] close(3 [pid 302] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 4632 attached [pid 4631] set_robust_list(0x7fba2feb79a0, 24 [pid 4627] <... clone3 resumed> => {parent_tid=[13980]}, 88) = 13980 [pid 4626] <... close resumed>) = 0 [pid 302] <... restart_syscall resumed>) = 0 [pid 4632] set_robust_list(0x7fba2feb79a0, 24 [pid 4631] <... set_robust_list resumed>) = 0 [pid 4630] <... clone3 resumed> => {parent_tid=[13823]}, 88) = 13823 [pid 4627] rt_sigprocmask(SIG_SETMASK, [], [pid 4626] close(4 [pid 4632] <... set_robust_list resumed>) = 0 [pid 4631] rt_sigprocmask(SIG_SETMASK, [], [pid 4630] rt_sigprocmask(SIG_SETMASK, [], [pid 4627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4626] <... close resumed>) = 0 [pid 4632] rt_sigprocmask(SIG_SETMASK, [], [pid 4631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4627] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] close(5 [pid 4632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4631] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4630] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4627] <... futex resumed>) = 0 [pid 4626] <... close resumed>) = 0 [pid 4632] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4631] <... bpf resumed>) = 3 [pid 4630] <... futex resumed>) = 0 [pid 4627] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4626] close(6 [pid 302] umount2("./4735", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4632] <... bpf resumed>) = 3 [pid 4631] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4632] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4631] <... futex resumed>) = 0 [pid 4630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4627] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] close(7 [pid 302] openat(AT_FDCWD, "./4735", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4632] <... futex resumed>) = 0 [pid 4631] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4630] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4627] <... futex resumed>) = 0 [pid 4626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] umount2("./4661", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4632] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4631] <... bpf resumed>) = 0 [pid 4630] <... futex resumed>) = 0 [pid 4627] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] close(8 [pid 302] <... openat resumed>) = 3 [pid 4631] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4632] <... bpf resumed>) = 0 [pid 4631] <... futex resumed>) = 0 [pid 4630] <... futex resumed>) = 0 [pid 4627] <... futex resumed>) = 0 [pid 4626] close(9 [pid 302] newfstatat(3, "", [pid 300] openat(AT_FDCWD, "./4661", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4632] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4631] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4632] <... futex resumed>) = 0 [pid 4630] <... mmap resumed>) = 0x7fba2fe76000 [pid 4627] <... mmap resumed>) = 0x7fba2fe76000 [pid 4626] close(10 [pid 300] <... openat resumed>) = 3 [pid 4630] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] getdents64(3, [pid 4632] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4630] <... mprotect resumed>) = 0 [pid 4627] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4626] close(11 [pid 300] newfstatat(3, "", [pid 4630] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4627] <... mprotect resumed>) = 0 [pid 4626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4630] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4627] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4626] close(12 [pid 302] umount2("./4735/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4627] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4633 attached [pid 4627] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4626] close(13 [pid 302] newfstatat(AT_FDCWD, "./4735/cgroup.cpu", [pid 300] getdents64(3, ./strace-static-x86_64: Process 4634 attached [pid 4633] set_robust_list(0x7fba2fe969a0, 24 [pid 4630] <... clone3 resumed> => {parent_tid=[13824]}, 88) = 13824 [pid 4626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4634] set_robust_list(0x7fba2fe969a0, 24 [pid 4633] <... set_robust_list resumed>) = 0 [pid 4630] rt_sigprocmask(SIG_SETMASK, [], [pid 4626] close(14 [pid 302] unlink("./4735/cgroup.cpu" [pid 4627] <... clone3 resumed> => {parent_tid=[13981]}, 88) = 13981 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4634] <... set_robust_list resumed>) = 0 [pid 4633] rt_sigprocmask(SIG_SETMASK, [], [pid 4630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4634] rt_sigprocmask(SIG_SETMASK, [], [pid 4630] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] close(15 [pid 4634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4630] <... futex resumed>) = 0 [pid 4626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4634] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4630] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4627] rt_sigprocmask(SIG_SETMASK, [], [pid 4626] close(16 [pid 302] <... unlink resumed>) = 0 [pid 300] umount2("./4661/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] umount2("./4735/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4633] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4627] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] close(17 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4661/cgroup.cpu", [pid 4626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4626] close(18) = -1 EBADF (Bad file descriptor) [pid 4626] close(19) = -1 EBADF (Bad file descriptor) [pid 4626] close(20) = -1 EBADF (Bad file descriptor) [pid 4626] close(21) = -1 EBADF (Bad file descriptor) [pid 4626] close(22 [pid 4633] <... bpf resumed>) = 4 [pid 4634] <... futex resumed>) = 0 [pid 4627] <... futex resumed>) = 1 [pid 4626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] newfstatat(AT_FDCWD, "./4735/binderfs", [pid 4634] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4633] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4627] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4626] close(23 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4626] close(24) = -1 EBADF (Bad file descriptor) [pid 4626] close(25) = -1 EBADF (Bad file descriptor) [pid 4626] close(26) = -1 EBADF (Bad file descriptor) [pid 4626] close(27) = -1 EBADF (Bad file descriptor) [pid 4626] close(28) = -1 EBADF (Bad file descriptor) [pid 4634] <... bpf resumed>) = 4 [pid 4634] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4633] <... futex resumed>) = 1 [pid 4630] <... futex resumed>) = 0 [pid 4626] close(29 [pid 302] unlink("./4735/binderfs" [pid 300] unlink("./4661/cgroup.cpu" [pid 4634] <... futex resumed>) = 1 [pid 4633] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4630] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4627] <... futex resumed>) = 0 [pid 4626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4634] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4632] <... futex resumed>) = 0 [pid 4630] <... futex resumed>) = 1 [pid 4626] exit_group(0 [pid 302] <... unlink resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 4632] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4630] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4629] <... futex resumed>) = ? [pid 4628] <... futex resumed>) = ? [pid 4627] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4626] <... exit_group resumed>) = ? [pid 300] umount2("./4661/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4735/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4631] <... futex resumed>) = 0 [pid 4629] +++ exited with 0 +++ [pid 4628] +++ exited with 0 +++ [pid 4627] <... futex resumed>) = 1 [pid 4626] +++ exited with 0 +++ [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4631] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4627] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 302] newfstatat(AT_FDCWD, "./4735/cgroup", [pid 300] newfstatat(AT_FDCWD, "./4661/binderfs", [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... 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=13544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 302] unlink("./4735/cgroup" [pid 300] unlink("./4661/binderfs" [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 302] <... unlink resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 302] umount2("./4735/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4661/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4735/cgroup.net", [pid 300] newfstatat(AT_FDCWD, "./4661/cgroup", [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 302] unlink("./4735/cgroup.net" [pid 300] unlink("./4661/cgroup" [pid 302] <... unlink resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 302] getdents64(3, [pid 300] umount2("./4661/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] umount2("./4624", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] close(3 [pid 300] newfstatat(AT_FDCWD, "./4661/cgroup.net", [pid 299] openat(AT_FDCWD, "./4624", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] <... close resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... openat resumed>) = 3 [pid 302] rmdir("./4735" [pid 300] unlink("./4661/cgroup.net" [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] umount2("./4624/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] <... rmdir resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4624/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... unlink resumed>) = 0 [pid 302] mkdir("./4736", 0777 [pid 300] getdents64(3, [pid 299] unlink("./4624/cgroup.cpu") = 0 [pid 299] umount2("./4624/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... mkdir resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] newfstatat(AT_FDCWD, "./4624/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4624/binderfs") = 0 [pid 299] umount2("./4624/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4635 attached [pid 300] close(3 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4635] set_robust_list(0x5555557fd6a0, 24 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13914 [pid 300] <... close resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4624/cgroup", [pid 4635] <... set_robust_list resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4635] chdir("./4736" [pid 300] rmdir("./4661" [pid 299] unlink("./4624/cgroup" [pid 4635] <... chdir resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 4635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] umount2("./4624/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4635] <... prctl resumed>) = 0 [pid 300] <... rmdir resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4635] setpgid(0, 0 [pid 300] mkdir("./4662", 0777 [pid 299] newfstatat(AT_FDCWD, "./4624/cgroup.net", [pid 4635] <... setpgid resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4635] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 299] unlink("./4624/cgroup.net" [pid 4635] <... symlink resumed>) = 0 [pid 300] <... mkdir resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 4635] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 299] getdents64(3, [pid 4635] <... symlink resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4635] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 299] close(3 [pid 4635] <... symlink resumed>) = 0 [pid 299] <... close resumed>) = 0 ./strace-static-x86_64: Process 4636 attached [pid 4635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] rmdir("./4624" [pid 4636] set_robust_list(0x5555557fd6a0, 24 [pid 4635] <... openat resumed>) = 3 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13696 [pid 299] <... rmdir resumed>) = 0 [pid 4636] <... set_robust_list resumed>) = 0 [pid 4635] write(3, "1000", 4 [pid 299] mkdir("./4625", 0777 [pid 4636] chdir("./4662" [pid 4635] <... write resumed>) = 4 [pid 299] <... mkdir resumed>) = 0 [pid 4636] <... chdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4635] close(3./strace-static-x86_64: Process 4637 attached [pid 4636] <... prctl resumed>) = 0 [pid 4635] <... close resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13547 [pid 4637] set_robust_list(0x5555557fd6a0, 24 [pid 4636] setpgid(0, 0 [pid 4635] symlink("/dev/binderfs", "./binderfs" [pid 4632] <... bpf resumed>) = 5 [pid 4631] <... bpf resumed>) = 5 [pid 4637] <... set_robust_list resumed>) = 0 [pid 4636] <... setpgid resumed>) = 0 [pid 4631] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4637] chdir("./4625" [pid 4636] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4635] <... symlink resumed>) = 0 [pid 4632] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4631] <... futex resumed>) = 1 [pid 4627] <... futex resumed>) = 0 [pid 4637] <... chdir resumed>) = 0 [pid 4636] <... symlink resumed>) = 0 [pid 4632] <... futex resumed>) = 1 [pid 4631] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4630] <... futex resumed>) = 0 [pid 4627] close(3 [pid 4637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4636] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4635] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4632] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4630] close(3 [pid 4627] <... close resumed>) = 0 [pid 4637] <... prctl resumed>) = 0 [pid 4636] <... symlink resumed>) = 0 [pid 4635] <... futex resumed>) = 0 [pid 4630] <... close resumed>) = 0 [pid 4627] close(4 [pid 4637] setpgid(0, 0 [pid 4636] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4635] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4630] close(4 [pid 4627] <... close resumed>) = 0 [pid 4637] <... setpgid resumed>) = 0 [pid 4636] <... symlink resumed>) = 0 [pid 4635] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4630] <... close resumed>) = 0 [pid 4627] close(5 [pid 4637] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4635] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4630] close(5 [pid 4627] <... close resumed>) = 0 [pid 4637] <... symlink resumed>) = 0 [pid 4636] <... openat resumed>) = 3 [pid 4635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4630] <... close resumed>) = 0 [pid 4627] close(6 [pid 4637] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4636] write(3, "1000", 4 [pid 4635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4630] close(6 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4637] <... symlink resumed>) = 0 [pid 4636] <... write resumed>) = 4 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(7 [pid 4637] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4636] close(3 [pid 4635] <... mmap resumed>) = 0x7fba2fe97000 [pid 4630] close(7 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = 0 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(8 [pid 4637] <... symlink resumed>) = 0 [pid 4636] symlink("/dev/binderfs", "./binderfs" [pid 4635] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4630] close(8 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4636] <... symlink resumed>) = 0 [pid 4635] <... mprotect resumed>) = 0 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(9 [pid 4637] <... openat resumed>) = 3 [pid 4636] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] close(9 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... futex resumed>) = 0 [pid 4635] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(10 [pid 4637] write(3, "1000", 4) = 4 [pid 4636] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4635] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4630] close(10 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4637] close(3 [pid 4636] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(11 [pid 4637] <... close resumed>) = 0 [pid 4636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4630] close(11 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4638 attached [pid 4637] symlink("/dev/binderfs", "./binderfs" [pid 4636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(12 [pid 4638] set_robust_list(0x7fba2feb79a0, 24 [pid 4636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4630] close(12 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4638] <... set_robust_list resumed>) = 0 [pid 4637] <... symlink resumed>) = 0 [pid 4636] <... mmap resumed>) = 0x7fba2fe97000 [pid 4635] <... clone3 resumed> => {parent_tid=[13915]}, 88) = 13915 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(13 [pid 4638] rt_sigprocmask(SIG_SETMASK, [], [pid 4637] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4636] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4635] rt_sigprocmask(SIG_SETMASK, [], [pid 4630] close(13 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4637] <... futex resumed>) = 0 [pid 4636] <... mprotect resumed>) = 0 [pid 4635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(14 [pid 4638] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4637] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4636] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4635] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] close(14 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4637] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4636] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4635] <... futex resumed>) = 0 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(15 [pid 4638] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4637] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4635] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4630] close(15 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4639 attached [pid 4638] <... bpf resumed>) = 3 [pid 4637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(16 [pid 4639] set_robust_list(0x7fba2feb79a0, 24 [pid 4638] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4636] <... clone3 resumed> => {parent_tid=[13697]}, 88) = 13697 [pid 4630] close(16 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4639] <... set_robust_list resumed>) = 0 [pid 4638] <... futex resumed>) = 1 [pid 4637] <... mmap resumed>) = 0x7fba2fe97000 [pid 4636] rt_sigprocmask(SIG_SETMASK, [], [pid 4635] <... futex resumed>) = 0 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(17 [pid 4639] rt_sigprocmask(SIG_SETMASK, [], [pid 4638] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4637] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4635] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] close(17 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4639] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4637] <... mprotect resumed>) = 0 [pid 4636] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4635] <... futex resumed>) = 0 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(18 [pid 4639] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4638] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4637] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4636] <... futex resumed>) = 0 [pid 4635] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] close(18 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4639] <... bpf resumed>) = 3 [pid 4638] <... bpf resumed>) = 0 [pid 4637] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4636] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4635] <... futex resumed>) = 0 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(19 [pid 4639] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4638] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4630] close(19 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4640 attached [pid 4639] <... futex resumed>) = 0 [pid 4638] <... futex resumed>) = 0 [pid 4636] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4635] <... mmap resumed>) = 0x7fba2fe76000 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(20 [pid 4640] set_robust_list(0x7fba2feb79a0, 24 [pid 4639] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4638] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4637] <... clone3 resumed> => {parent_tid=[13548]}, 88) = 13548 [pid 4636] <... futex resumed>) = 0 [pid 4635] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4630] close(20 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4640] <... set_robust_list resumed>) = 0 [pid 4639] <... bpf resumed>) = 0 [pid 4636] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4635] <... mprotect resumed>) = 0 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(21 [pid 4640] rt_sigprocmask(SIG_SETMASK, [], [pid 4639] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4637] rt_sigprocmask(SIG_SETMASK, [], [pid 4636] <... futex resumed>) = 0 [pid 4635] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4630] close(21 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4639] <... futex resumed>) = 0 [pid 4637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4635] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(22 [pid 4640] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4639] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4637] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4636] <... mmap resumed>) = 0x7fba2fe76000 [pid 4635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4630] close(22 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4641 attached [pid 4640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4637] <... futex resumed>) = 0 [pid 4636] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(23 [pid 4641] set_robust_list(0x7fba2fe969a0, 24 [pid 4640] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4637] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4636] <... mprotect resumed>) = 0 [pid 4635] <... clone3 resumed> => {parent_tid=[13916]}, 88) = 13916 [pid 4630] close(23 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4641] <... set_robust_list resumed>) = 0 [pid 4640] <... bpf resumed>) = 3 [pid 4636] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4635] rt_sigprocmask(SIG_SETMASK, [], [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(24 [pid 4641] rt_sigprocmask(SIG_SETMASK, [], [pid 4640] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4636] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4630] close(24 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4640] <... futex resumed>) = 1 [pid 4637] <... futex resumed>) = 0 [pid 4636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4635] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(25./strace-static-x86_64: Process 4642 attached [pid 4641] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4640] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4637] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4635] <... futex resumed>) = 0 [pid 4630] close(25 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4642] set_robust_list(0x7fba2fe969a0, 24 [pid 4640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4636] <... clone3 resumed> => {parent_tid=[13698]}, 88) = 13698 [pid 4635] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(26 [pid 4640] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4636] rt_sigprocmask(SIG_SETMASK, [], [pid 4630] close(26 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4642] <... set_robust_list resumed>) = 0 [pid 4641] <... bpf resumed>) = 4 [pid 4640] <... bpf resumed>) = 0 [pid 4637] <... futex resumed>) = 0 [pid 4636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(27 [pid 4642] rt_sigprocmask(SIG_SETMASK, [], [pid 4641] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4640] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4637] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4636] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] close(27 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4641] <... futex resumed>) = 1 [pid 4640] <... futex resumed>) = 0 [pid 4637] <... futex resumed>) = 0 [pid 4636] <... futex resumed>) = 0 [pid 4635] <... futex resumed>) = 0 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(28 [pid 4642] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4641] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4640] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4637] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4636] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4635] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4630] close(28 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4642] <... bpf resumed>) = 4 [pid 4640] <... bpf resumed>) = 4 [pid 4638] <... futex resumed>) = 0 [pid 4635] <... futex resumed>) = 1 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] close(29 [pid 4642] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4640] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4638] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4635] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4630] close(29 [pid 4627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4642] <... futex resumed>) = 1 [pid 4640] <... futex resumed>) = 1 [pid 4637] <... futex resumed>) = 0 [pid 4636] <... futex resumed>) = 0 [pid 4630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4627] exit_group(0 [pid 4642] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4640] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4637] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4636] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4634] <... futex resumed>) = ? [pid 4631] <... futex resumed>) = ? [pid 4630] exit_group(0 [pid 4627] <... exit_group resumed>) = ? [pid 4640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4639] <... futex resumed>) = 0 [pid 4637] <... futex resumed>) = 0 [pid 4636] <... futex resumed>) = 1 [pid 4634] +++ exited with 0 +++ [pid 4633] <... futex resumed>) = ? [pid 4632] <... futex resumed>) = ? [pid 4631] +++ exited with 0 +++ [pid 4630] <... exit_group resumed>) = ? [pid 4627] +++ exited with 0 +++ [pid 4640] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4639] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4637] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4636] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4633] +++ exited with 0 +++ [pid 4632] +++ exited with 0 +++ [pid 4630] +++ exited with 0 +++ [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13822, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] umount2("./4715", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4640] <... bpf resumed>) = 5 [pid 4639] <... bpf resumed>) = 5 [pid 4638] <... bpf resumed>) = 5 [pid 303] umount2("./4768", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4640] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4639] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4638] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] openat(AT_FDCWD, "./4715", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4640] <... futex resumed>) = 1 [pid 4639] <... futex resumed>) = 1 [pid 4638] <... futex resumed>) = 1 [pid 4637] <... futex resumed>) = 0 [pid 4636] <... futex resumed>) = 0 [pid 4635] <... futex resumed>) = 0 [pid 303] openat(AT_FDCWD, "./4768", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] <... openat resumed>) = 3 [pid 4640] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4639] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4638] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4637] close(3 [pid 4636] close(3 [pid 4635] close(3 [pid 303] <... openat resumed>) = 3 [pid 301] newfstatat(3, "", [pid 4637] <... close resumed>) = 0 [pid 4636] <... close resumed>) = 0 [pid 4635] <... close resumed>) = 0 [pid 303] newfstatat(3, "", [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4637] close(4 [pid 4636] close(4 [pid 4635] close(4 [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] getdents64(3, [pid 4637] <... close resumed>) = 0 [pid 4636] <... close resumed>) = 0 [pid 4635] <... close resumed>) = 0 [pid 303] getdents64(3, [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4637] close(5 [pid 4636] close(5 [pid 4635] close(5 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] umount2("./4715/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4637] <... close resumed>) = 0 [pid 4636] <... close resumed>) = 0 [pid 4635] <... close resumed>) = 0 [pid 303] umount2("./4768/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4637] close(6 [pid 4636] close(6 [pid 4635] close(6 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4715/cgroup.cpu", [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] newfstatat(AT_FDCWD, "./4768/cgroup.cpu", [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4637] close(7 [pid 4636] close(7 [pid 4635] close(7 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4715/cgroup.cpu" [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] unlink("./4768/cgroup.cpu" [pid 301] <... unlink resumed>) = 0 [pid 4637] close(8 [pid 4636] close(8 [pid 4635] close(8 [pid 303] <... unlink resumed>) = 0 [pid 301] umount2("./4715/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] umount2("./4768/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4637] close(9 [pid 4636] close(9 [pid 4635] close(9 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4715/binderfs", [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] newfstatat(AT_FDCWD, "./4768/binderfs", [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4637] close(10 [pid 4636] close(10 [pid 4635] close(10 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4715/binderfs" [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] unlink("./4768/binderfs" [pid 301] <... unlink resumed>) = 0 [pid 4637] close(11 [pid 4636] close(11 [pid 4635] close(11 [pid 303] <... unlink resumed>) = 0 [pid 301] umount2("./4715/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] umount2("./4768/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4637] close(12 [pid 4636] close(12 [pid 4635] close(12 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4715/cgroup", [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] newfstatat(AT_FDCWD, "./4768/cgroup", [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4637] close(13 [pid 4636] close(13 [pid 4635] close(13 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4715/cgroup" [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] unlink("./4768/cgroup" [pid 301] <... unlink resumed>) = 0 [pid 4637] close(14 [pid 4636] close(14 [pid 4635] close(14 [pid 303] <... unlink resumed>) = 0 [pid 301] umount2("./4715/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] umount2("./4768/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4637] close(15 [pid 4636] close(15 [pid 4635] close(15 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4715/cgroup.net", [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] newfstatat(AT_FDCWD, "./4768/cgroup.net", [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4637] close(16 [pid 4636] close(16 [pid 4635] close(16 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4715/cgroup.net" [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] unlink("./4768/cgroup.net" [pid 301] <... unlink resumed>) = 0 [pid 4637] close(17 [pid 4636] close(17 [pid 4635] close(17 [pid 303] <... unlink resumed>) = 0 [pid 301] getdents64(3, [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] getdents64(3, [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4637] close(18 [pid 4636] close(18 [pid 4635] close(18 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] close(3 [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] close(3 [pid 301] <... close resumed>) = 0 [pid 4637] close(19 [pid 4636] close(19 [pid 4635] close(19 [pid 303] <... close resumed>) = 0 [pid 301] rmdir("./4715" [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] rmdir("./4768" [pid 301] <... rmdir resumed>) = 0 [pid 4637] close(20 [pid 4636] close(20 [pid 4635] close(20 [pid 303] <... rmdir resumed>) = 0 [pid 301] mkdir("./4716", 0777 [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] mkdir("./4769", 0777 [pid 301] <... mkdir resumed>) = 0 [pid 4637] close(21 [pid 4636] close(21 [pid 4635] close(21 [pid 303] <... mkdir resumed>) = 0 [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4643 attached [pid 4637] close(22 [pid 4636] close(22 [pid 4635] close(22 [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13982 [pid 4637] close(23 [pid 4636] close(23 [pid 4635] close(23./strace-static-x86_64: Process 4644 attached [pid 4643] set_robust_list(0x5555557fd6a0, 24 [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4644] set_robust_list(0x5555557fd6a0, 24 [pid 4643] <... set_robust_list resumed>) = 0 [pid 4637] close(24 [pid 4636] close(24 [pid 4635] close(24 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13825 [pid 4644] <... set_robust_list resumed>) = 0 [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4644] chdir("./4716" [pid 4643] chdir("./4769" [pid 4637] close(25 [pid 4636] close(25 [pid 4635] close(25 [pid 4644] <... chdir resumed>) = 0 [pid 4643] <... chdir resumed>) = 0 [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4637] close(26 [pid 4636] close(26 [pid 4635] close(26 [pid 4644] <... prctl resumed>) = 0 [pid 4643] <... prctl resumed>) = 0 [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4644] setpgid(0, 0 [pid 4637] close(27 [pid 4636] close(27 [pid 4635] close(27 [pid 4644] <... setpgid resumed>) = 0 [pid 4643] setpgid(0, 0 [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4644] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4643] <... setpgid resumed>) = 0 [pid 4637] close(28 [pid 4636] close(28 [pid 4635] close(28 [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4644] <... symlink resumed>) = 0 [pid 4637] close(29 [pid 4636] close(29 [pid 4635] close(29 [pid 4644] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4643] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4644] <... symlink resumed>) = 0 [pid 4637] exit_group(0 [pid 4636] exit_group(0 [pid 4635] exit_group(0 [pid 4644] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4643] <... symlink resumed>) = 0 [pid 4642] <... futex resumed>) = ? [pid 4641] <... futex resumed>) = ? [pid 4640] <... futex resumed>) = ? [pid 4639] <... futex resumed>) = ? [pid 4638] <... futex resumed>) = ? [pid 4637] <... exit_group resumed>) = ? [pid 4636] <... exit_group resumed>) = ? [pid 4635] <... exit_group resumed>) = ? [pid 4644] <... symlink resumed>) = 0 [pid 4643] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4642] +++ exited with 0 +++ [pid 4641] +++ exited with 0 +++ [pid 4640] +++ exited with 0 +++ [pid 4639] +++ exited with 0 +++ [pid 4638] +++ exited with 0 +++ [pid 4637] +++ exited with 0 +++ [pid 4636] +++ exited with 0 +++ [pid 4635] +++ exited with 0 +++ [pid 4644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4643] <... symlink resumed>) = 0 [pid 4643] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4644] <... openat resumed>) = 3 [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 4643] <... symlink resumed>) = 0 [pid 299] umount2("./4625", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 302] umount2("./4736", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4644] write(3, "1000", 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4643] <... openat resumed>) = 3 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4643] write(3, "1000", 4 [pid 299] openat(AT_FDCWD, "./4625", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4644] <... write resumed>) = 4 [pid 4643] <... write resumed>) = 4 [pid 302] openat(AT_FDCWD, "./4736", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] <... restart_syscall resumed>) = 0 [pid 4644] close(3 [pid 4643] close(3 [pid 299] <... openat resumed>) = 3 [pid 302] <... openat resumed>) = 3 [pid 4644] <... close resumed>) = 0 [pid 4643] <... close resumed>) = 0 [pid 302] newfstatat(3, "", [pid 299] newfstatat(3, "", [pid 4644] symlink("/dev/binderfs", "./binderfs" [pid 4643] symlink("/dev/binderfs", "./binderfs" [pid 302] <... 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 4644] <... symlink resumed>) = 0 [pid 300] umount2("./4662", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] getdents64(3, [pid 299] getdents64(3, [pid 4643] <... symlink resumed>) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] openat(AT_FDCWD, "./4662", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] umount2("./4736/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... openat resumed>) = 3 [pid 4643] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] newfstatat(AT_FDCWD, "./4736/cgroup.cpu", [pid 300] newfstatat(3, "", [pid 299] umount2("./4625/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4644] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4643] <... futex resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4644] <... futex resumed>) = 0 [pid 4643] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 302] unlink("./4736/cgroup.cpu" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4644] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4643] <... rt_sigaction resumed>NULL, 8) = 0 [pid 300] getdents64(3, [pid 302] <... unlink resumed>) = 0 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] newfstatat(AT_FDCWD, "./4625/cgroup.cpu", [pid 4644] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4643] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 302] umount2("./4736/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4662/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 302] newfstatat(AT_FDCWD, "./4736/binderfs", [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4625/cgroup.cpu" [pid 4644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4643] <... mmap resumed>) = 0x7fba2fe97000 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] newfstatat(AT_FDCWD, "./4662/cgroup.cpu", [pid 4644] <... mmap resumed>) = 0x7fba2fe97000 [pid 4643] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 302] unlink("./4736/binderfs" [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... unlink resumed>) = 0 [pid 300] unlink("./4662/cgroup.cpu" [pid 299] umount2("./4625/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4643] <... mprotect resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... unlink resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4625/binderfs", [pid 4643] rt_sigprocmask(SIG_BLOCK, ~[], [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4644] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4643] <... rt_sigprocmask resumed>[], 8) = 0 [pid 302] umount2("./4736/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4662/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] unlink("./4625/binderfs" [pid 4644] <... mprotect resumed>) = 0 [pid 4643] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4662/binderfs", [pid 299] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4645 attached [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4645] set_robust_list(0x7fba2feb79a0, 24 [pid 302] newfstatat(AT_FDCWD, "./4736/cgroup", [pid 299] umount2("./4625/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4645] <... set_robust_list resumed>) = 0 [pid 4644] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4643] <... clone3 resumed> => {parent_tid=[13983]}, 88) = 13983 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4662/binderfs" [pid 4645] rt_sigprocmask(SIG_SETMASK, [], [pid 4644] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4643] rt_sigprocmask(SIG_SETMASK, [], [pid 302] unlink("./4736/cgroup" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 300] <... unlink resumed>) = 0 [pid 4645] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] <... unlink resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4625/cgroup", [pid 300] umount2("./4662/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4646 attached [pid 4645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4643] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] umount2("./4736/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4646] set_robust_list(0x7fba2feb79a0, 24 [pid 4645] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4644] <... clone3 resumed> => {parent_tid=[13826]}, 88) = 13826 [pid 4643] <... futex resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4662/cgroup", [pid 4646] <... set_robust_list resumed>) = 0 [pid 4645] <... bpf resumed>) = 3 [pid 299] unlink("./4625/cgroup" [pid 4646] rt_sigprocmask(SIG_SETMASK, [], [pid 4645] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] rt_sigprocmask(SIG_SETMASK, [], [pid 4643] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 302] newfstatat(AT_FDCWD, "./4736/cgroup.net", [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4645] <... futex resumed>) = 0 [pid 4644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4662/cgroup" [pid 299] <... unlink resumed>) = 0 [pid 4646] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4645] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4644] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4643] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] unlink("./4736/cgroup.net" [pid 4646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4644] <... futex resumed>) = 0 [pid 4643] <... futex resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 299] umount2("./4625/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4646] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4645] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4644] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4643] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... unlink resumed>) = 0 [pid 300] umount2("./4662/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4646] <... bpf resumed>) = 3 [pid 4645] <... bpf resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4646] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4645] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4643] <... futex resumed>) = 0 [pid 302] getdents64(3, [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4625/cgroup.net", [pid 4646] <... futex resumed>) = 0 [pid 4645] <... futex resumed>) = 0 [pid 4644] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] newfstatat(AT_FDCWD, "./4662/cgroup.net", [pid 4646] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4645] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4646] <... bpf resumed>) = 0 [pid 4644] <... futex resumed>) = 0 [pid 4643] <... mmap resumed>) = 0x7fba2fe76000 [pid 302] close(3 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4625/cgroup.net" [pid 4646] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4643] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4646] <... futex resumed>) = 0 [pid 4646] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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] <... close resumed>) = 0 [pid 300] unlink("./4662/cgroup.net" [pid 4646] <... bpf resumed>) = 4 [pid 4644] <... futex resumed>) = 0 [pid 4643] <... mprotect resumed>) = 0 [pid 302] rmdir("./4736" [pid 299] <... unlink resumed>) = 0 [pid 4646] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... unlink resumed>) = 0 [pid 4646] <... futex resumed>) = 0 [pid 4643] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4646] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] <... rmdir resumed>) = 0 [pid 299] getdents64(3, [pid 4644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4643] <... rt_sigprocmask resumed>[], 8) = 0 [pid 302] mkdir("./4737", 0777 [pid 300] getdents64(3, [pid 4644] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4643] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] <... mkdir resumed>) = 0 [pid 299] close(3 [pid 4646] <... futex resumed>) = 0 [pid 4644] <... futex resumed>) = 1 [pid 4646] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16./strace-static-x86_64: Process 4647 attached ) = 5 [pid 4644] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] <... close resumed>) = 0 [pid 4647] set_robust_list(0x7fba2fe969a0, 24 [pid 4646] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4643] <... clone3 resumed> => {parent_tid=[13984]}, 88) = 13984 [pid 4647] <... set_robust_list resumed>) = 0 [pid 4646] <... futex resumed>) = 0 [pid 4647] rt_sigprocmask(SIG_SETMASK, [], [pid 4646] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4647] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 4648 attached [pid 4644] close(3 [pid 4643] rt_sigprocmask(SIG_SETMASK, [], [pid 300] close(3 [pid 299] rmdir("./4625" [pid 4648] set_robust_list(0x5555557fd6a0, 24 [pid 4644] <... close resumed>) = 0 [pid 4643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13917 [pid 300] <... close resumed>) = 0 [pid 4648] <... set_robust_list resumed>) = 0 [pid 4648] chdir("./4737") = 0 [pid 4648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... rmdir resumed>) = 0 [pid 4648] <... prctl resumed>) = 0 [pid 4644] close(4 [pid 4643] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] rmdir("./4662" [pid 4648] setpgid(0, 0 [pid 4647] <... futex resumed>) = 0 [pid 4644] <... close resumed>) = 0 [pid 4643] <... futex resumed>) = 1 [pid 299] mkdir("./4626", 0777 [pid 4648] <... setpgid resumed>) = 0 [pid 4648] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4644] close(5 [pid 300] <... rmdir resumed>) = 0 [pid 4647] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4643] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... mkdir resumed>) = 0 [pid 4648] <... symlink resumed>) = 0 [pid 4644] <... close resumed>) = 0 [pid 300] mkdir("./4663", 0777 [pid 4648] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4647] <... bpf resumed>) = 4 [pid 4648] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4647] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] close(6 [pid 300] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4648] <... openat resumed>) = 3 [pid 4647] <... futex resumed>) = 1 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4643] <... futex resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4648] write(3, "1000", 4) = 4 [pid 4648] close(3) = 0 [pid 4648] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 4649 attached [pid 4648] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4649] set_robust_list(0x5555557fd6a0, 24 [pid 4648] <... futex resumed>) = 0 [pid 4649] <... set_robust_list resumed>) = 0 [pid 4648] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, ./strace-static-x86_64: Process 4650 attached [pid 4649] chdir("./4626" [pid 4648] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4647] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4644] close(7 [pid 4643] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13549 [pid 4650] set_robust_list(0x5555557fd6a0, 24 [pid 4649] <... chdir resumed>) = 0 [pid 4648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4645] <... futex resumed>) = 0 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4643] <... futex resumed>) = 1 [pid 4650] <... set_robust_list resumed>) = 0 [pid 4649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4645] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4644] close(8 [pid 4643] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13699 [pid 4650] chdir("./4663" [pid 4649] <... prctl resumed>) = 0 [pid 4648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4650] <... chdir resumed>) = 0 [pid 4649] setpgid(0, 0 [pid 4648] <... mmap resumed>) = 0x7fba2fe97000 [pid 4650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4649] <... setpgid resumed>) = 0 [pid 4648] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4644] close(9 [pid 4650] <... prctl resumed>) = 0 [pid 4649] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4648] <... mprotect resumed>) = 0 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4650] setpgid(0, 0 [pid 4649] <... symlink resumed>) = 0 [pid 4649] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4648] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4650] <... setpgid resumed>) = 0 [pid 4649] <... symlink resumed>) = 0 [pid 4648] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4644] close(10 [pid 4649] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4650] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4649] <... symlink resumed>) = 0 [pid 4648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4650] <... symlink resumed>) = 0 [pid 4649] <... openat resumed>) = 3 [pid 4649] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 4651 attached [pid 4650] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4649] close(3 [pid 4644] close(11 [pid 4651] set_robust_list(0x7fba2feb79a0, 24 [pid 4649] <... close resumed>) = 0 [pid 4651] <... set_robust_list resumed>) = 0 [pid 4650] <... symlink resumed>) = 0 [pid 4649] symlink("/dev/binderfs", "./binderfs" [pid 4648] <... clone3 resumed> => {parent_tid=[13918]}, 88) = 13918 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4651] rt_sigprocmask(SIG_SETMASK, [], [pid 4650] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4649] <... symlink resumed>) = 0 [pid 4648] rt_sigprocmask(SIG_SETMASK, [], [pid 4651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4649] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] close(12 [pid 4651] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4650] <... symlink resumed>) = 0 [pid 4649] <... futex resumed>) = 0 [pid 4648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4649] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4648] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4649] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4644] close(13 [pid 4649] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4651] <... futex resumed>) = 0 [pid 4650] <... openat resumed>) = 3 [pid 4649] <... mmap resumed>) = 0x7fba2fe97000 [pid 4648] <... futex resumed>) = 1 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4651] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4650] write(3, "1000", 4 [pid 4649] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4648] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4649] <... mprotect resumed>) = 0 [pid 4644] close(14 [pid 4651] <... bpf resumed>) = 3 [pid 4650] <... write resumed>) = 4 [pid 4649] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4651] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] close(3 [pid 4649] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4644] close(15 [pid 4651] <... futex resumed>) = 1 [pid 4650] <... close resumed>) = 0 [pid 4649] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4648] <... futex resumed>) = 0 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4652 attached [pid 4651] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4650] symlink("/dev/binderfs", "./binderfs" [pid 4648] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] close(16 [pid 4652] set_robust_list(0x7fba2feb79a0, 24 [pid 4651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4649] <... clone3 resumed> => {parent_tid=[13550]}, 88) = 13550 [pid 4649] rt_sigprocmask(SIG_SETMASK, [], [pid 4651] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4650] <... symlink resumed>) = 0 [pid 4649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4648] <... futex resumed>) = 0 [pid 4652] <... set_robust_list resumed>) = 0 [pid 4649] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4648] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4651] <... bpf resumed>) = 0 [pid 4649] <... futex resumed>) = 0 [pid 4652] rt_sigprocmask(SIG_SETMASK, [], [pid 4649] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4650] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4648] <... futex resumed>) = 0 [pid 4644] close(17 [pid 4651] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4651] <... futex resumed>) = 0 [pid 4650] <... futex resumed>) = 0 [pid 4648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4652] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4650] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4644] close(18 [pid 4652] <... bpf resumed>) = 3 [pid 4651] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4650] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4648] <... mmap resumed>) = 0x7fba2fe76000 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4652] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4644] close(19 [pid 4652] <... futex resumed>) = 1 [pid 4650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4649] <... futex resumed>) = 0 [pid 4648] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4652] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4649] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4648] <... mprotect resumed>) = 0 [pid 4645] <... bpf resumed>) = 5 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4650] <... mmap resumed>) = 0x7fba2fe97000 [pid 4649] <... futex resumed>) = 0 [pid 4645] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4648] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4650] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4649] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4648] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4645] <... futex resumed>) = 1 [pid 4644] close(20 [pid 4643] <... futex resumed>) = 0 [pid 4652] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4650] <... mprotect resumed>) = 0 [pid 4649] <... futex resumed>) = 0 [pid 4648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4645] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4643] close(3 [pid 4650] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4643] <... close resumed>) = 0 [pid 4652] <... bpf resumed>) = 0 [pid 4649] <... mmap resumed>) = 0x7fba2fe76000 [pid 4643] close(4./strace-static-x86_64: Process 4653 attached [pid 4649] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4643] <... close resumed>) = 0 [pid 4644] close(21 [pid 4650] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4653] set_robust_list(0x7fba2fe969a0, 24 [pid 4652] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4649] <... mprotect resumed>) = 0 [pid 4648] <... clone3 resumed> => {parent_tid=[13919]}, 88) = 13919 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4643] close(5./strace-static-x86_64: Process 4654 attached [pid 4653] <... set_robust_list resumed>) = 0 [pid 4652] <... futex resumed>) = 0 [pid 4649] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4648] rt_sigprocmask(SIG_SETMASK, [], [pid 4644] close(22 [pid 4643] <... close resumed>) = 0 [pid 4654] set_robust_list(0x7fba2feb79a0, 24 [pid 4653] rt_sigprocmask(SIG_SETMASK, [], [pid 4652] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4650] <... clone3 resumed> => {parent_tid=[13700]}, 88) = 13700 [pid 4649] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4643] close(6 [pid 4654] <... set_robust_list resumed>) = 0 [pid 4653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4650] rt_sigprocmask(SIG_SETMASK, [], [pid 4649] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4643] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4655 attached [pid 4654] rt_sigprocmask(SIG_SETMASK, [], [pid 4653] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4648] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] close(23 [pid 4643] close(7 [pid 4655] set_robust_list(0x7fba2fe969a0, 24 [pid 4654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4650] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4649] <... clone3 resumed> => {parent_tid=[13551]}, 88) = 13551 [pid 4648] <... futex resumed>) = 0 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4655] <... set_robust_list resumed>) = 0 [pid 4654] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4653] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4650] <... futex resumed>) = 0 [pid 4649] rt_sigprocmask(SIG_SETMASK, [], [pid 4648] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4644] close(24 [pid 4643] close(8 [pid 4655] rt_sigprocmask(SIG_SETMASK, [], [pid 4654] <... bpf resumed>) = 3 [pid 4653] <... bpf resumed>) = 4 [pid 4650] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4654] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4653] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4649] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] close(25 [pid 4643] close(9 [pid 4655] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4654] <... futex resumed>) = 0 [pid 4653] <... futex resumed>) = 1 [pid 4650] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4649] <... futex resumed>) = 0 [pid 4648] <... futex resumed>) = 0 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4654] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4653] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4649] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4648] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4643] close(10 [pid 4654] <... bpf resumed>) = 0 [pid 4655] <... bpf resumed>) = 4 [pid 4651] <... futex resumed>) = 0 [pid 4648] <... futex resumed>) = 1 [pid 4643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4650] <... futex resumed>) = 0 [pid 4655] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4654] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4651] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4650] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4648] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4644] close(26 [pid 4643] close(11 [pid 4655] <... futex resumed>) = 1 [pid 4654] <... futex resumed>) = 0 [pid 4650] <... futex resumed>) = 0 [pid 4649] <... futex resumed>) = 0 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4655] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4654] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4650] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4649] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4644] close(27 [pid 4643] close(12 [pid 4654] <... bpf resumed>) = 4 [pid 4652] <... futex resumed>) = 0 [pid 4649] <... futex resumed>) = 1 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4654] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4652] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4649] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4644] close(28 [pid 4643] close(13 [pid 4654] <... futex resumed>) = 1 [pid 4650] <... futex resumed>) = 0 [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4654] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4650] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4643] close(14 [pid 4654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4644] close(29 [pid 4643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4650] <... futex resumed>) = 0 [pid 4654] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4650] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4643] close(15) = -1 EBADF (Bad file descriptor) [pid 4644] exit_group(0 [pid 4643] close(16 [pid 4646] <... futex resumed>) = ? [pid 4644] <... exit_group resumed>) = ? [pid 4643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4646] +++ exited with 0 +++ [pid 4643] close(17) = -1 EBADF (Bad file descriptor) [pid 4643] close(18) = -1 EBADF (Bad file descriptor) [pid 4643] close(19) = -1 EBADF (Bad file descriptor) [pid 4643] close(20) = -1 EBADF (Bad file descriptor) [pid 4643] close(21) = -1 EBADF (Bad file descriptor) [pid 4643] close(22) = -1 EBADF (Bad file descriptor) [pid 4643] close(23) = -1 EBADF (Bad file descriptor) [pid 4643] close(24) = -1 EBADF (Bad file descriptor) [pid 4644] +++ exited with 0 +++ [pid 4643] close(25) = -1 EBADF (Bad file descriptor) [pid 4643] close(26 [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13825, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 4643] close(27) = -1 EBADF (Bad file descriptor) [pid 4643] close(28) = -1 EBADF (Bad file descriptor) [pid 4643] close(29) = -1 EBADF (Bad file descriptor) [pid 4643] exit_group(0 [pid 4647] <... futex resumed>) = ? [pid 4645] <... futex resumed>) = ? [pid 4643] <... exit_group resumed>) = ? [pid 4647] +++ exited with 0 +++ [pid 4645] +++ exited with 0 +++ [pid 301] <... restart_syscall resumed>) = 0 [pid 4643] +++ exited with 0 +++ [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13982, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 301] umount2("./4716", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 301] openat(AT_FDCWD, "./4716", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 301] newfstatat(3, "", [pid 303] <... restart_syscall resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] umount2("./4769", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4716/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] openat(AT_FDCWD, "./4769", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] newfstatat(AT_FDCWD, "./4716/cgroup.cpu", [pid 303] <... openat resumed>) = 3 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] newfstatat(3, "", [pid 301] unlink("./4716/cgroup.cpu" [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] <... unlink resumed>) = 0 [pid 303] getdents64(3, [pid 301] umount2("./4716/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] umount2("./4769/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] newfstatat(AT_FDCWD, "./4716/binderfs", [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] newfstatat(AT_FDCWD, "./4769/cgroup.cpu", [pid 301] unlink("./4716/binderfs" [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... unlink resumed>) = 0 [pid 303] unlink("./4769/cgroup.cpu" [pid 301] umount2("./4716/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] <... unlink resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4716/cgroup", [pid 303] umount2("./4769/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] unlink("./4716/cgroup" [pid 303] newfstatat(AT_FDCWD, "./4769/binderfs", [pid 301] <... unlink resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] umount2("./4716/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] unlink("./4769/binderfs" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4716/cgroup.net", [pid 303] <... unlink resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] umount2("./4769/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] unlink("./4716/cgroup.net" [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... unlink resumed>) = 0 [pid 303] newfstatat(AT_FDCWD, "./4769/cgroup", [pid 301] getdents64(3, [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] unlink("./4769/cgroup" [pid 301] close(3) = 0 [pid 301] rmdir("./4716" [pid 303] <... unlink resumed>) = 0 [pid 301] <... rmdir resumed>) = 0 [pid 303] umount2("./4769/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] mkdir("./4717", 0777 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... mkdir resumed>) = 0 [pid 303] newfstatat(AT_FDCWD, "./4769/cgroup.net", [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4656 attached [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4656] set_robust_list(0x5555557fd6a0, 24 [pid 303] unlink("./4769/cgroup.net" [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13827 [pid 4656] <... set_robust_list resumed>) = 0 [pid 303] <... unlink resumed>) = 0 [pid 4656] chdir("./4717" [pid 303] getdents64(3, [pid 4656] <... chdir resumed>) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 303] close(3 [pid 4656] <... prctl resumed>) = 0 [pid 303] <... close resumed>) = 0 [pid 4656] setpgid(0, 0 [pid 303] rmdir("./4769" [pid 4656] <... setpgid resumed>) = 0 [pid 303] <... rmdir resumed>) = 0 [pid 4656] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 303] mkdir("./4770", 0777 [pid 4656] <... symlink resumed>) = 0 [pid 303] <... mkdir resumed>) = 0 [pid 4656] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4656] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 4657 attached [pid 4656] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4657] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 4657] chdir("./4770" [pid 4656] <... symlink resumed>) = 0 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13985 [pid 4657] <... chdir resumed>) = 0 [pid 4656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4656] <... openat resumed>) = 3 [pid 4657] setpgid(0, 0) = 0 [pid 4656] write(3, "1000", 4 [pid 4654] <... bpf resumed>) = 5 [pid 4652] <... bpf resumed>) = 5 [pid 4651] <... bpf resumed>) = 5 [pid 4654] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4652] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4657] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4656] <... write resumed>) = 4 [pid 4654] <... futex resumed>) = 1 [pid 4652] <... futex resumed>) = 1 [pid 4651] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] <... futex resumed>) = 0 [pid 4649] <... futex resumed>) = 0 [pid 4657] <... symlink resumed>) = 0 [pid 4656] close(3 [pid 4654] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4652] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4651] <... futex resumed>) = 1 [pid 4650] close(3 [pid 4649] close(3 [pid 4648] <... futex resumed>) = 0 [pid 4657] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4656] <... close resumed>) = 0 [pid 4651] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4650] <... close resumed>) = 0 [pid 4649] <... close resumed>) = 0 [pid 4648] close(3 [pid 4657] <... symlink resumed>) = 0 [pid 4656] symlink("/dev/binderfs", "./binderfs" [pid 4650] close(4 [pid 4649] close(4 [pid 4648] <... close resumed>) = 0 [pid 4657] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4656] <... symlink resumed>) = 0 [pid 4650] <... close resumed>) = 0 [pid 4649] <... close resumed>) = 0 [pid 4648] close(4 [pid 4657] <... symlink resumed>) = 0 [pid 4650] close(5 [pid 4649] close(5 [pid 4648] <... close resumed>) = 0 [pid 4657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4656] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] <... close resumed>) = 0 [pid 4649] <... close resumed>) = 0 [pid 4648] close(5 [pid 4657] <... openat resumed>) = 3 [pid 4656] <... futex resumed>) = 0 [pid 4650] close(6 [pid 4649] close(6 [pid 4648] <... close resumed>) = 0 [pid 4657] write(3, "1000", 4 [pid 4656] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] close(6 [pid 4657] <... write resumed>) = 4 [pid 4656] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4650] close(7 [pid 4649] close(7 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] close(3 [pid 4656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] close(7 [pid 4657] <... close resumed>) = 0 [pid 4656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4650] close(8 [pid 4649] close(8 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] symlink("/dev/binderfs", "./binderfs" [pid 4656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] close(8 [pid 4657] <... symlink resumed>) = 0 [pid 4656] <... mmap resumed>) = 0x7fba2fe97000 [pid 4650] close(9 [pid 4649] close(9 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4656] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] close(9 [pid 4657] <... futex resumed>) = 0 [pid 4656] <... mprotect resumed>) = 0 [pid 4650] close(10 [pid 4649] close(10 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4656] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] close(10 [pid 4657] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4656] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4650] close(11 [pid 4649] close(11 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] close(11./strace-static-x86_64: Process 4658 attached [pid 4657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4650] close(12 [pid 4649] close(12 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4658] set_robust_list(0x7fba2feb79a0, 24 [pid 4657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4656] <... clone3 resumed> => {parent_tid=[13828]}, 88) = 13828 [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] close(12 [pid 4658] <... set_robust_list resumed>) = 0 [pid 4657] <... mmap resumed>) = 0x7fba2fe97000 [pid 4656] rt_sigprocmask(SIG_SETMASK, [], [pid 4650] close(13 [pid 4649] close(13 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4658] rt_sigprocmask(SIG_SETMASK, [], [pid 4657] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] close(13 [pid 4658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4657] <... mprotect resumed>) = 0 [pid 4656] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] close(14 [pid 4649] close(14 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4658] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4657] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4656] <... futex resumed>) = 0 [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] close(14 [pid 4658] <... bpf resumed>) = 3 [pid 4657] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4656] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4650] close(15 [pid 4649] close(15 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4658] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] close(15./strace-static-x86_64: Process 4659 attached [pid 4658] <... futex resumed>) = 0 [pid 4656] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] close(16 [pid 4649] close(16 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4659] set_robust_list(0x7fba2feb79a0, 24 [pid 4658] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4657] <... clone3 resumed> => {parent_tid=[13986]}, 88) = 13986 [pid 4656] <... futex resumed>) = 0 [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] close(16 [pid 4659] <... set_robust_list resumed>) = 0 [pid 4658] <... bpf resumed>) = 0 [pid 4657] rt_sigprocmask(SIG_SETMASK, [], [pid 4656] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] close(17 [pid 4649] close(17 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4659] rt_sigprocmask(SIG_SETMASK, [], [pid 4658] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4656] <... futex resumed>) = 0 [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] close(17 [pid 4659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4658] <... futex resumed>) = 0 [pid 4657] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4650] close(18 [pid 4649] close(18 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4659] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4658] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4657] <... futex resumed>) = 0 [pid 4656] <... mmap resumed>) = 0x7fba2fe76000 [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] close(18 [pid 4659] <... bpf resumed>) = 3 [pid 4657] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4650] close(19 [pid 4649] close(19 [pid 4659] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4656] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4659] <... futex resumed>) = 1 [pid 4657] <... futex resumed>) = 0 [pid 4656] <... mprotect resumed>) = 0 [pid 4650] close(20 [pid 4649] close(20 [pid 4648] close(19 [pid 4659] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4657] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4656] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4657] <... futex resumed>) = 0 [pid 4656] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4650] close(21 [pid 4649] close(21 [pid 4648] close(20 [pid 4659] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4657] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] <... futex resumed>) = 0 [pid 4650] close(22 [pid 4649] close(22 [pid 4659] <... bpf resumed>) = 0 [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4660 attached [pid 4659] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4650] close(23 [pid 4649] close(23 [pid 4648] close(21 [pid 4660] set_robust_list(0x7fba2fe969a0, 24 [pid 4659] <... futex resumed>) = 0 [pid 4657] <... mmap resumed>) = 0x7fba2fe76000 [pid 4656] <... clone3 resumed> => {parent_tid=[13829]}, 88) = 13829 [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4660] <... set_robust_list resumed>) = 0 [pid 4659] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4657] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4656] rt_sigprocmask(SIG_SETMASK, [], [pid 4650] close(24 [pid 4649] close(24 [pid 4648] close(22 [pid 4660] rt_sigprocmask(SIG_SETMASK, [], [pid 4657] <... mprotect resumed>) = 0 [pid 4656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4657] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4656] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] close(25 [pid 4649] close(25 [pid 4648] close(23 [pid 4660] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4657] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4656] <... futex resumed>) = 0 [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4660] <... bpf resumed>) = 4 [pid 4657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4656] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4650] close(26 [pid 4649] close(26 [pid 4648] close(24 [pid 4660] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4661 attached [pid 4660] <... futex resumed>) = 0 [pid 4656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4650] close(27 [pid 4649] close(27 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4661] set_robust_list(0x7fba2fe969a0, 24 [pid 4660] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4657] <... clone3 resumed> => {parent_tid=[13987]}, 88) = 13987 [pid 4656] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] close(25 [pid 4661] <... set_robust_list resumed>) = 0 [pid 4658] <... futex resumed>) = 0 [pid 4657] rt_sigprocmask(SIG_SETMASK, [], [pid 4656] <... futex resumed>) = 1 [pid 4650] close(28 [pid 4649] close(28 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4661] rt_sigprocmask(SIG_SETMASK, [], [pid 4658] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4656] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] close(26 [pid 4661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4657] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4650] close(29 [pid 4649] close(29 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4661] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4657] <... futex resumed>) = 0 [pid 4650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4648] close(27 [pid 4661] <... bpf resumed>) = 4 [pid 4657] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4650] exit_group(0 [pid 4649] exit_group(0 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4661] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4655] <... futex resumed>) = ? [pid 4654] <... futex resumed>) = ? [pid 4652] <... futex resumed>) = ? [pid 4650] <... exit_group resumed>) = ? [pid 4649] <... exit_group resumed>) = ? [pid 4648] close(28 [pid 4661] <... futex resumed>) = 1 [pid 4657] <... futex resumed>) = 0 [pid 4655] +++ exited with 0 +++ [pid 4654] +++ exited with 0 +++ [pid 4652] +++ exited with 0 +++ [pid 4650] +++ exited with 0 +++ [pid 4649] +++ exited with 0 +++ [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4661] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4657] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4648] close(29 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13549, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4659] <... futex resumed>) = 0 [pid 4657] <... futex resumed>) = 1 [pid 4648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4659] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4657] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4648] exit_group(0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13699, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4648] <... exit_group resumed>) = ? [pid 4653] <... futex resumed>) = ? [pid 4651] <... futex resumed>) = ? [pid 4653] +++ exited with 0 +++ [pid 4651] +++ exited with 0 +++ [pid 4648] +++ exited with 0 +++ [pid 300] umount2("./4663", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4658] <... bpf resumed>) = 5 [pid 299] umount2("./4626", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./4626", 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 4659] <... bpf resumed>) = 5 [pid 4658] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13917, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] getdents64(3, [pid 4659] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4658] <... futex resumed>) = 1 [pid 4656] <... futex resumed>) = 0 [pid 302] restart_syscall(<... resuming interrupted clone ...> [pid 300] openat(AT_FDCWD, "./4663", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4659] <... futex resumed>) = 1 [pid 4658] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4657] <... futex resumed>) = 0 [pid 4656] close(3 [pid 302] <... restart_syscall resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 299] umount2("./4626/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4659] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4657] close(3 [pid 4656] <... close resumed>) = 0 [pid 300] newfstatat(3, "", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4657] <... close resumed>) = 0 [pid 4656] close(4 [pid 299] newfstatat(AT_FDCWD, "./4626/cgroup.cpu", [pid 4657] close(4 [pid 4656] <... close resumed>) = 0 [pid 302] umount2("./4737", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... 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=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4657] <... close resumed>) = 0 [pid 4656] close(5 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] getdents64(3, [pid 299] unlink("./4626/cgroup.cpu" [pid 4657] close(5 [pid 302] openat(AT_FDCWD, "./4737", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] <... unlink resumed>) = 0 [pid 302] <... openat resumed>) = 3 [pid 300] umount2("./4663/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] umount2("./4626/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] newfstatat(3, "", [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] newfstatat(AT_FDCWD, "./4663/cgroup.cpu", [pid 299] newfstatat(AT_FDCWD, "./4626/binderfs", [pid 302] getdents64(3, [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] unlink("./4663/cgroup.cpu" [pid 302] umount2("./4737/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] unlink("./4626/binderfs" [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... unlink resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4737/cgroup.cpu", [pid 300] umount2("./4663/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... unlink resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] umount2("./4626/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] unlink("./4737/cgroup.cpu" [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... unlink resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4663/binderfs", [pid 299] newfstatat(AT_FDCWD, "./4626/cgroup", [pid 302] umount2("./4737/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] unlink("./4663/binderfs" [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] newfstatat(AT_FDCWD, "./4737/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... unlink resumed>) = 0 [pid 299] unlink("./4626/cgroup" [pid 302] unlink("./4737/binderfs" [pid 300] umount2("./4663/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] <... unlink resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4663/cgroup", [pid 299] umount2("./4626/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4737/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] unlink("./4663/cgroup" [pid 299] newfstatat(AT_FDCWD, "./4626/cgroup.net", [pid 302] newfstatat(AT_FDCWD, "./4737/cgroup", [pid 300] <... unlink resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] umount2("./4663/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] unlink("./4626/cgroup.net" [pid 302] unlink("./4737/cgroup" [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... unlink resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4663/cgroup.net", [pid 299] getdents64(3, [pid 302] umount2("./4737/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] unlink("./4663/cgroup.net" [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] newfstatat(AT_FDCWD, "./4737/cgroup.net", [pid 300] <... unlink resumed>) = 0 [pid 299] close(3 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] getdents64(3, [pid 302] unlink("./4737/cgroup.net" [pid 299] <... close resumed>) = 0 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] <... unlink resumed>) = 0 [pid 302] getdents64(3, [pid 300] close(3 [pid 299] rmdir("./4626" [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] <... close resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 302] close(3 [pid 300] rmdir("./4663" [pid 299] mkdir("./4627", 0777 [pid 302] <... close resumed>) = 0 [pid 300] <... rmdir resumed>) = 0 [pid 302] rmdir("./4737" [pid 300] mkdir("./4664", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 302] <... rmdir resumed>) = 0 [pid 302] mkdir("./4738", 0777 [pid 300] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 4662 attached [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4662] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 4662] chdir("./4627"./strace-static-x86_64: Process 4663 attached ) = 0 [pid 4663] set_robust_list(0x5555557fd6a0, 24 [pid 4662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4663] <... set_robust_list resumed>) = 0 [pid 4662] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 4664 attached [pid 4663] chdir("./4738" [pid 4662] setpgid(0, 0 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13920 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13552 [pid 4664] set_robust_list(0x5555557fd6a0, 24 [pid 4663] <... chdir resumed>) = 0 [pid 4662] <... setpgid resumed>) = 0 [pid 4664] <... set_robust_list resumed>) = 0 [pid 4663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4662] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13701 [pid 4664] chdir("./4664" [pid 4663] <... prctl resumed>) = 0 [pid 4662] <... symlink resumed>) = 0 [pid 4664] <... chdir resumed>) = 0 [pid 4663] setpgid(0, 0 [pid 4662] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4663] <... setpgid resumed>) = 0 [pid 4662] <... symlink resumed>) = 0 [pid 4664] <... prctl resumed>) = 0 [pid 4663] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4662] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4664] setpgid(0, 0 [pid 4663] <... symlink resumed>) = 0 [pid 4662] <... symlink resumed>) = 0 [pid 4664] <... setpgid resumed>) = 0 [pid 4663] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4664] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4663] <... symlink resumed>) = 0 [pid 4662] <... openat resumed>) = 3 [pid 4663] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4662] write(3, "1000", 4 [pid 4664] <... symlink resumed>) = 0 [pid 4663] <... symlink resumed>) = 0 [pid 4662] <... write resumed>) = 4 [pid 4664] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4662] close(3 [pid 4664] <... symlink resumed>) = 0 [pid 4663] <... openat resumed>) = 3 [pid 4662] <... close resumed>) = 0 [pid 4664] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4663] write(3, "1000", 4 [pid 4662] symlink("/dev/binderfs", "./binderfs" [pid 4664] <... symlink resumed>) = 0 [pid 4663] <... write resumed>) = 4 [pid 4662] <... symlink resumed>) = 0 [pid 4664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4663] close(3 [pid 4662] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] <... close resumed>) = 0 [pid 4662] <... futex resumed>) = 0 [pid 4664] <... openat resumed>) = 3 [pid 4663] symlink("/dev/binderfs", "./binderfs" [pid 4662] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4664] write(3, "1000", 4 [pid 4663] <... symlink resumed>) = 0 [pid 4662] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4664] <... write resumed>) = 4 [pid 4663] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4664] close(3 [pid 4663] <... futex resumed>) = 0 [pid 4662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4664] <... close resumed>) = 0 [pid 4663] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4664] symlink("/dev/binderfs", "./binderfs" [pid 4663] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4662] <... mmap resumed>) = 0x7fba2fe97000 [pid 4663] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4664] <... symlink resumed>) = 0 [pid 4662] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4664] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4662] <... mprotect resumed>) = 0 [pid 4664] <... futex resumed>) = 0 [pid 4663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4664] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4663] <... mmap resumed>) = 0x7fba2fe97000 [pid 4662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4664] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4663] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4665 attached [pid 4664] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4663] <... mprotect resumed>) = 0 [pid 4665] set_robust_list(0x7fba2feb79a0, 24 [pid 4664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4663] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4662] <... clone3 resumed> => {parent_tid=[13553]}, 88) = 13553 [pid 4665] <... set_robust_list resumed>) = 0 [pid 4664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4663] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4662] rt_sigprocmask(SIG_SETMASK, [], [pid 4665] rt_sigprocmask(SIG_SETMASK, [], [pid 4664] <... mmap resumed>) = 0x7fba2fe97000 [pid 4663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4662] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 4666 attached [pid 4665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4664] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4662] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4666] set_robust_list(0x7fba2feb79a0, 24 [pid 4665] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4664] <... mprotect resumed>) = 0 [pid 4663] <... clone3 resumed> => {parent_tid=[13921]}, 88) = 13921 [pid 4662] <... futex resumed>) = 0 [pid 4666] <... set_robust_list resumed>) = 0 [pid 4665] <... bpf resumed>) = 3 [pid 4663] rt_sigprocmask(SIG_SETMASK, [], [pid 4662] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4664] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4666] rt_sigprocmask(SIG_SETMASK, [], [pid 4665] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4664] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4665] <... futex resumed>) = 0 [pid 4664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4663] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4662] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] <... futex resumed>) = 0 [pid 4666] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4665] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4662] <... futex resumed>) = 0 ./strace-static-x86_64: Process 4667 attached [pid 4663] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4662] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4667] set_robust_list(0x7fba2feb79a0, 24 [pid 4665] <... bpf resumed>) = 0 [pid 4662] <... futex resumed>) = 0 [pid 4667] <... set_robust_list resumed>) = 0 [pid 4666] <... bpf resumed>) = 3 [pid 4665] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4664] <... clone3 resumed> => {parent_tid=[13702]}, 88) = 13702 [pid 4662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4667] rt_sigprocmask(SIG_SETMASK, [], [pid 4666] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4665] <... futex resumed>) = 0 [pid 4664] rt_sigprocmask(SIG_SETMASK, [], [pid 4662] <... mmap resumed>) = 0x7fba2fe76000 [pid 4667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4666] <... futex resumed>) = 1 [pid 4665] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4663] <... futex resumed>) = 0 [pid 4662] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4667] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4666] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4664] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4662] <... mprotect resumed>) = 0 [pid 4667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4664] <... futex resumed>) = 0 [pid 4663] <... futex resumed>) = 0 [pid 4662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4667] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4666] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4664] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4663] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4667] <... bpf resumed>) = 3 [pid 4663] <... futex resumed>) = 0 [pid 4662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4667] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4666] <... bpf resumed>) = 0 [pid 4664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 4668 attached [pid 4667] <... futex resumed>) = 0 [pid 4666] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4664] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] <... mmap resumed>) = 0x7fba2fe76000 [pid 4668] set_robust_list(0x7fba2fe969a0, 24 [pid 4667] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4666] <... futex resumed>) = 0 [pid 4664] <... futex resumed>) = 0 [pid 4663] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4662] <... clone3 resumed> => {parent_tid=[13554]}, 88) = 13554 [pid 4668] <... set_robust_list resumed>) = 0 [pid 4667] <... bpf resumed>) = 0 [pid 4666] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4664] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4663] <... mprotect resumed>) = 0 [pid 4668] rt_sigprocmask(SIG_SETMASK, [], [pid 4667] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4664] <... futex resumed>) = 0 [pid 4663] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4662] rt_sigprocmask(SIG_SETMASK, [], [pid 4668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4667] <... futex resumed>) = 0 [pid 4664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4663] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4668] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4667] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4664] <... mmap resumed>) = 0x7fba2fe76000 [pid 4663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4662] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 4669 attached [pid 4664] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4669] set_robust_list(0x7fba2fe969a0, 24 [pid 4664] <... mprotect resumed>) = 0 [pid 4669] <... set_robust_list resumed>) = 0 [pid 4669] rt_sigprocmask(SIG_SETMASK, [], [pid 4664] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4663] <... clone3 resumed> => {parent_tid=[13922]}, 88) = 13922 [pid 4662] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4669] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4668] <... futex resumed>) = 0 [pid 4664] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4663] rt_sigprocmask(SIG_SETMASK, [], [pid 4662] <... futex resumed>) = 1 [pid 4669] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4668] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4662] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4668] <... bpf resumed>) = 4 [pid 4663] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 4670 attached [pid 4668] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4670] set_robust_list(0x7fba2fe969a0, 24 [pid 4669] <... futex resumed>) = 0 [pid 4668] <... futex resumed>) = 1 [pid 4664] <... clone3 resumed> => {parent_tid=[13703]}, 88) = 13703 [pid 4663] <... futex resumed>) = 1 [pid 4662] <... futex resumed>) = 0 [pid 4670] <... set_robust_list resumed>) = 0 [pid 4669] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4668] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4664] rt_sigprocmask(SIG_SETMASK, [], [pid 4663] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4662] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4670] rt_sigprocmask(SIG_SETMASK, [], [pid 4665] <... futex resumed>) = 0 [pid 4662] <... futex resumed>) = 1 [pid 4670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4665] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4662] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4670] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4669] <... bpf resumed>) = 4 [pid 4664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4669] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4664] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4669] <... futex resumed>) = 1 [pid 4670] <... futex resumed>) = 0 [pid 4664] <... futex resumed>) = 1 [pid 4669] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4663] <... futex resumed>) = 0 [pid 4670] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4664] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4663] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4670] <... bpf resumed>) = 4 [pid 4666] <... futex resumed>) = 0 [pid 4663] <... futex resumed>) = 1 [pid 4670] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4666] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4663] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4670] <... futex resumed>) = 1 [pid 4664] <... futex resumed>) = 0 [pid 4670] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4664] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4667] <... futex resumed>) = 0 [pid 4664] <... futex resumed>) = 1 [pid 4667] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4664] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4656] <... close resumed>) = 0 [pid 4657] <... close resumed>) = 0 [pid 4657] close(6 [pid 4656] close(6 [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] close(7 [pid 4656] close(7 [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] close(8 [pid 4656] close(8 [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] close(9 [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] close(9 [pid 4657] close(10 [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] close(10 [pid 4657] close(11 [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] close(11 [pid 4657] close(12 [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] close(12 [pid 4657] close(13 [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] close(13 [pid 4657] close(14 [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] close(14 [pid 4657] close(15 [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] close(15 [pid 4657] close(16 [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] close(16 [pid 4657] close(17 [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] close(17 [pid 4657] close(18) = -1 EBADF (Bad file descriptor) [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] close(19 [pid 4656] close(18 [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] close(20 [pid 4656] close(19 [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] close(21 [pid 4656] close(20 [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] close(22 [pid 4656] close(21 [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] close(23 [pid 4656] close(22 [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] close(24 [pid 4656] close(23 [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] close(25 [pid 4656] close(24 [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] close(26 [pid 4656] close(25 [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] close(27) = -1 EBADF (Bad file descriptor) [pid 4656] close(26 [pid 4657] close(28 [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4656] close(27 [pid 4657] close(29) = -1 EBADF (Bad file descriptor) [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4657] exit_group(0 [pid 4656] close(28 [pid 4661] <... futex resumed>) = ? [pid 4659] <... futex resumed>) = ? [pid 4657] <... exit_group resumed>) = ? [pid 4656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4661] +++ exited with 0 +++ [pid 4659] +++ exited with 0 +++ [pid 4657] +++ exited with 0 +++ [pid 4656] close(29) = -1 EBADF (Bad file descriptor) [pid 4656] exit_group(0 [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13985, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4658] <... futex resumed>) = ? [pid 4660] <... futex resumed>) = 231 [pid 4656] <... exit_group resumed>) = ? [pid 4658] +++ exited with 0 +++ [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 4660] +++ exited with 0 +++ [pid 4656] +++ exited with 0 +++ [pid 303] <... restart_syscall resumed>) = 0 [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13827, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 303] umount2("./4770", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] openat(AT_FDCWD, "./4770", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] <... restart_syscall resumed>) = 0 [pid 303] <... openat resumed>) = 3 [pid 303] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] umount2("./4717", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] getdents64(3, [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] openat(AT_FDCWD, "./4717", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 303] umount2("./4770/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... openat resumed>) = 3 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(3, "", [pid 303] newfstatat(AT_FDCWD, "./4770/cgroup.cpu", [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] getdents64(3, [pid 303] unlink("./4770/cgroup.cpu" [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] <... unlink resumed>) = 0 [pid 301] umount2("./4717/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] umount2("./4770/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4717/cgroup.cpu", [pid 303] newfstatat(AT_FDCWD, "./4770/binderfs", [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4770/binderfs" [pid 301] unlink("./4717/cgroup.cpu" [pid 303] <... unlink resumed>) = 0 [pid 303] umount2("./4770/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... unlink resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] umount2("./4717/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] newfstatat(AT_FDCWD, "./4770/cgroup", [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] newfstatat(AT_FDCWD, "./4717/binderfs", [pid 303] unlink("./4770/cgroup" [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... unlink resumed>) = 0 [pid 301] unlink("./4717/binderfs" [pid 303] umount2("./4770/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... unlink resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] umount2("./4717/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] newfstatat(AT_FDCWD, "./4770/cgroup.net", [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] newfstatat(AT_FDCWD, "./4717/cgroup", [pid 303] unlink("./4770/cgroup.net" [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... unlink resumed>) = 0 [pid 301] unlink("./4717/cgroup" [pid 303] getdents64(3, [pid 301] <... unlink resumed>) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] umount2("./4717/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] close(3 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... close resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4717/cgroup.net", [pid 303] rmdir("./4770" [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... rmdir resumed>) = 0 [pid 301] unlink("./4717/cgroup.net" [pid 303] mkdir("./4771", 0777 [pid 301] <... unlink resumed>) = 0 [pid 303] <... mkdir resumed>) = 0 [pid 301] getdents64(3, [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 4671 attached [pid 301] close(3 [pid 4671] set_robust_list(0x5555557fd6a0, 24 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13988 [pid 4671] <... set_robust_list resumed>) = 0 [pid 301] <... close resumed>) = 0 [pid 4671] chdir("./4771" [pid 301] rmdir("./4717" [pid 4671] <... chdir resumed>) = 0 [pid 4671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4671] setpgid(0, 0) = 0 [pid 4671] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 301] <... rmdir resumed>) = 0 [pid 4671] <... symlink resumed>) = 0 [pid 4671] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 301] mkdir("./4718", 0777 [pid 4671] <... symlink resumed>) = 0 [pid 4671] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 301] <... mkdir resumed>) = 0 [pid 4671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4671] <... openat resumed>) = 3 [pid 4671] write(3, "1000", 4) = 4 [pid 4671] close(3) = 0 [pid 4671] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 4672 attached ) = 0 [pid 4672] set_robust_list(0x5555557fd6a0, 24 [pid 4671] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13830 [pid 4672] <... set_robust_list resumed>) = 0 [pid 4671] <... futex resumed>) = 0 [pid 4671] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4672] chdir("./4718" [pid 4671] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4672] <... chdir resumed>) = 0 [pid 4671] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4672] <... prctl resumed>) = 0 [pid 4671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4672] setpgid(0, 0 [pid 4671] <... mmap resumed>) = 0x7fba2fe97000 [pid 4672] <... setpgid resumed>) = 0 [pid 4671] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4672] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4671] <... mprotect resumed>) = 0 [pid 4671] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4672] <... symlink resumed>) = 0 [pid 4671] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4672] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4673 attached [pid 4672] <... symlink resumed>) = 0 [pid 4673] set_robust_list(0x7fba2feb79a0, 24 [pid 4672] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4671] <... clone3 resumed> => {parent_tid=[13989]}, 88) = 13989 [pid 4673] <... set_robust_list resumed>) = 0 [pid 4671] rt_sigprocmask(SIG_SETMASK, [], [pid 4672] <... symlink resumed>) = 0 [pid 4671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4673] rt_sigprocmask(SIG_SETMASK, [], [pid 4671] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4671] <... futex resumed>) = 0 [pid 4673] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4671] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4673] <... bpf resumed>) = 3 [pid 4672] <... openat resumed>) = 3 [pid 4673] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4672] write(3, "1000", 4 [pid 4673] <... futex resumed>) = 1 [pid 4671] <... futex resumed>) = 0 [pid 4673] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4672] <... write resumed>) = 4 [pid 4671] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4672] close(3 [pid 4671] <... futex resumed>) = 0 [pid 4673] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4672] <... close resumed>) = 0 [pid 4671] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4673] <... bpf resumed>) = 0 [pid 4672] symlink("/dev/binderfs", "./binderfs" [pid 4671] <... mmap resumed>) = 0x7fba2fe76000 [pid 4673] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4671] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4673] <... futex resumed>) = 0 [pid 4672] <... symlink resumed>) = 0 [pid 4671] <... mprotect resumed>) = 0 [pid 4673] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4672] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4671] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4672] <... futex resumed>) = 0 [pid 4671] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4672] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4674 attached [pid 4672] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4674] set_robust_list(0x7fba2fe969a0, 24 [pid 4672] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4671] <... clone3 resumed> => {parent_tid=[13990]}, 88) = 13990 [pid 4674] <... set_robust_list resumed>) = 0 [pid 4672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4671] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4665] <... bpf resumed>) = 5 [pid 4674] rt_sigprocmask(SIG_SETMASK, [], [pid 4672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4671] <... futex resumed>) = 0 [pid 4667] <... bpf resumed>) = 5 [pid 4666] <... bpf resumed>) = 5 [pid 4665] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4672] <... mmap resumed>) = 0x7fba2fe97000 [pid 4671] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4667] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4666] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4665] <... futex resumed>) = 1 [pid 4662] <... futex resumed>) = 0 [pid 4674] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4672] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4667] <... futex resumed>) = 1 [pid 4666] <... futex resumed>) = 1 [pid 4665] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4664] <... futex resumed>) = 0 [pid 4663] <... futex resumed>) = 0 [pid 4662] close(3 [pid 4672] <... mprotect resumed>) = 0 [pid 4667] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4664] close(3 [pid 4663] close(3 [pid 4662] <... close resumed>) = 0 [pid 4664] <... close resumed>) = 0 [pid 4663] <... close resumed>) = 0 [pid 4662] close(4 [pid 4674] <... bpf resumed>) = 4 [pid 4666] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4664] close(4 [pid 4663] close(4 [pid 4662] <... close resumed>) = 0 [pid 4674] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4672] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4664] <... close resumed>) = 0 [pid 4663] <... close resumed>) = 0 [pid 4662] close(5 [pid 4674] <... futex resumed>) = 1 [pid 4672] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4671] <... futex resumed>) = 0 [pid 4664] close(5 [pid 4663] close(5 [pid 4662] <... close resumed>) = 0 [pid 4674] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4671] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4662] close(6./strace-static-x86_64: Process 4675 attached [pid 4673] <... futex resumed>) = 0 [pid 4671] <... futex resumed>) = 1 [pid 4662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4675] set_robust_list(0x7fba2feb79a0, 24 [pid 4673] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4672] <... clone3 resumed> => {parent_tid=[13831]}, 88) = 13831 [pid 4671] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4662] close(7 [pid 4675] <... set_robust_list resumed>) = 0 [pid 4672] rt_sigprocmask(SIG_SETMASK, [], [pid 4662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4675] rt_sigprocmask(SIG_SETMASK, [], [pid 4672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4662] close(8 [pid 4675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4672] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4675] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4672] <... futex resumed>) = 0 [pid 4662] close(9 [pid 4675] <... bpf resumed>) = 3 [pid 4672] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4675] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4662] close(10 [pid 4675] <... futex resumed>) = 0 [pid 4672] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4675] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4672] <... futex resumed>) = 0 [pid 4662] close(11 [pid 4675] <... bpf resumed>) = 0 [pid 4675] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4672] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4675] <... futex resumed>) = 0 [pid 4672] <... futex resumed>) = 0 [pid 4662] close(12 [pid 4675] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... mmap resumed>) = 0x7fba2fe76000 [pid 4662] close(13 [pid 4672] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... mprotect resumed>) = 0 [pid 4662] close(14 [pid 4672] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4662] close(15 [pid 4672] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4662] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4676 attached [pid 4662] close(16 [pid 4676] set_robust_list(0x7fba2fe969a0, 24 [pid 4662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... clone3 resumed> => {parent_tid=[13832]}, 88) = 13832 [pid 4676] <... set_robust_list resumed>) = 0 [pid 4662] close(17 [pid 4676] rt_sigprocmask(SIG_SETMASK, [], [pid 4672] rt_sigprocmask(SIG_SETMASK, [], [pid 4662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4662] close(18 [pid 4676] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4662] close(19) = -1 EBADF (Bad file descriptor) [pid 4676] <... futex resumed>) = 0 [pid 4672] <... futex resumed>) = 1 [pid 4662] close(20 [pid 4676] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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) = 4 [pid 4672] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4676] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4662] close(21 [pid 4676] <... futex resumed>) = 0 [pid 4672] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4676] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4675] <... futex resumed>) = 0 [pid 4672] <... futex resumed>) = 1 [pid 4662] close(22 [pid 4675] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4672] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4662] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4662] close(23) = -1 EBADF (Bad file descriptor) [pid 4662] close(24) = -1 EBADF (Bad file descriptor) [pid 4662] close(25) = -1 EBADF (Bad file descriptor) [pid 4662] close(26) = -1 EBADF (Bad file descriptor) [pid 4662] close(27) = -1 EBADF (Bad file descriptor) [pid 4662] close(28) = -1 EBADF (Bad file descriptor) [pid 4662] close(29) = -1 EBADF (Bad file descriptor) [pid 4662] exit_group(0 [pid 4665] <... futex resumed>) = ? [pid 4668] <... futex resumed>) = ? [pid 4662] <... exit_group resumed>) = ? [pid 4665] +++ exited with 0 +++ [pid 4668] +++ exited with 0 +++ [pid 4662] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 299] umount2("./4627", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./4627", 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, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] umount2("./4627/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4627/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4627/cgroup.cpu") = 0 [pid 299] umount2("./4627/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4627/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4627/binderfs") = 0 [pid 299] umount2("./4627/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4627/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4627/cgroup") = 0 [pid 299] umount2("./4627/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4627/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4627/cgroup.net") = 0 [pid 299] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./4627") = 0 [pid 299] mkdir("./4628", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4677 attached [pid 4677] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13555 [pid 4677] chdir("./4628") = 0 [pid 4677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4677] setpgid(0, 0) = 0 [pid 4677] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4677] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4677] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4677] write(3, "1000", 4) = 4 [pid 4677] close(3) = 0 [pid 4677] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4677] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4664] <... close resumed>) = 0 [pid 4663] <... close resumed>) = 0 [pid 4677] <... futex resumed>) = 0 [pid 4664] close(6 [pid 4663] close(6 [pid 4677] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4677] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4664] close(7 [pid 4663] close(7 [pid 4677] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4664] close(8 [pid 4663] close(8 [pid 4677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4677] <... mmap resumed>) = 0x7fba2fe97000 [pid 4664] close(9 [pid 4663] close(9 [pid 4677] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4677] <... mprotect resumed>) = 0 [pid 4664] close(10 [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4677] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] close(10 [pid 4677] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4664] close(11 [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] close(11./strace-static-x86_64: Process 4678 attached [pid 4664] close(12 [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4678] set_robust_list(0x7fba2feb79a0, 24 [pid 4677] <... clone3 resumed> => {parent_tid=[13556]}, 88) = 13556 [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] close(12 [pid 4678] <... set_robust_list resumed>) = 0 [pid 4677] rt_sigprocmask(SIG_SETMASK, [], [pid 4664] close(13 [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4678] rt_sigprocmask(SIG_SETMASK, [], [pid 4677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] close(13 [pid 4678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4677] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4664] close(14 [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4678] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4677] <... futex resumed>) = 0 [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] close(14 [pid 4678] <... bpf resumed>) = 3 [pid 4677] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4664] close(15 [pid 4678] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4678] <... futex resumed>) = 0 [pid 4677] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4664] close(16 [pid 4663] close(15 [pid 4678] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4677] <... futex resumed>) = 0 [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4677] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4664] close(17 [pid 4678] <... bpf resumed>) = 0 [pid 4677] <... futex resumed>) = 0 [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] close(16 [pid 4678] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4664] close(18 [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4678] <... futex resumed>) = 0 [pid 4677] <... mmap resumed>) = 0x7fba2fe76000 [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] close(17 [pid 4678] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4677] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4664] close(19 [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4677] <... mprotect resumed>) = 0 [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] close(18 [pid 4677] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4664] close(20 [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4677] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4664] close(21 [pid 4663] close(19./strace-static-x86_64: Process 4679 attached [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4679] set_robust_list(0x7fba2fe969a0, 24 [pid 4677] <... clone3 resumed> => {parent_tid=[13557]}, 88) = 13557 [pid 4664] close(22 [pid 4663] close(20 [pid 4679] <... set_robust_list resumed>) = 0 [pid 4677] rt_sigprocmask(SIG_SETMASK, [], [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4679] rt_sigprocmask(SIG_SETMASK, [], [pid 4677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4664] close(23 [pid 4663] close(21 [pid 4679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4677] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4679] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4677] <... futex resumed>) = 0 [pid 4664] close(24 [pid 4663] close(22 [pid 4677] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4664] close(25) = -1 EBADF (Bad file descriptor) [pid 4664] close(26) = -1 EBADF (Bad file descriptor) [pid 4664] close(27) = -1 EBADF (Bad file descriptor) [pid 4664] close(28) = -1 EBADF (Bad file descriptor) [pid 4679] <... bpf resumed>) = 4 [pid 4664] close(29 [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4679] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] close(23 [pid 4679] <... futex resumed>) = 1 [pid 4677] <... futex resumed>) = 0 [pid 4664] exit_group(0 [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4679] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4677] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4670] <... futex resumed>) = ? [pid 4667] <... futex resumed>) = ? [pid 4664] <... exit_group resumed>) = ? [pid 4663] close(24 [pid 4678] <... futex resumed>) = 0 [pid 4677] <... futex resumed>) = 1 [pid 4670] +++ exited with 0 +++ [pid 4667] +++ exited with 0 +++ [pid 4664] +++ exited with 0 +++ [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4678] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4677] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4663] close(25 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4663] close(26) = -1 EBADF (Bad file descriptor) [pid 4663] close(27) = -1 EBADF (Bad file descriptor) [pid 300] umount2("./4664", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4663] close(28) = -1 EBADF (Bad file descriptor) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4663] close(29 [pid 300] openat(AT_FDCWD, "./4664", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... openat resumed>) = 3 [pid 4663] exit_group(0 [pid 300] newfstatat(3, "", [pid 4669] <... futex resumed>) = ? [pid 4666] <... futex resumed>) = ? [pid 4663] <... exit_group resumed>) = ? [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4666] +++ exited with 0 +++ [pid 4669] +++ exited with 0 +++ [pid 4663] +++ exited with 0 +++ [pid 300] getdents64(3, [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13920, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] restart_syscall(<... resuming interrupted clone ...> [pid 300] umount2("./4664/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4664/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4664/cgroup.cpu" [pid 302] <... restart_syscall resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 300] umount2("./4664/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] umount2("./4738", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] newfstatat(AT_FDCWD, "./4664/binderfs", [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] openat(AT_FDCWD, "./4738", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] unlink("./4664/binderfs" [pid 302] <... openat resumed>) = 3 [pid 302] newfstatat(3, "", [pid 300] <... unlink resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] umount2("./4664/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] getdents64(3, [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] newfstatat(AT_FDCWD, "./4664/cgroup", [pid 302] umount2("./4738/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] unlink("./4664/cgroup" [pid 302] newfstatat(AT_FDCWD, "./4738/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... unlink resumed>) = 0 [pid 302] unlink("./4738/cgroup.cpu" [pid 300] umount2("./4664/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... unlink resumed>) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] umount2("./4738/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] newfstatat(AT_FDCWD, "./4664/cgroup.net", [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4738/binderfs", [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4664/cgroup.net" [pid 302] unlink("./4738/binderfs" [pid 300] <... unlink resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] getdents64(3, [pid 302] umount2("./4738/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] close(3 [pid 302] newfstatat(AT_FDCWD, "./4738/cgroup", [pid 300] <... close resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] rmdir("./4664" [pid 302] unlink("./4738/cgroup" [pid 300] <... rmdir resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] mkdir("./4665", 0777 [pid 302] umount2("./4738/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... mkdir resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4738/cgroup.net", [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 4680 attached [pid 302] unlink("./4738/cgroup.net" [pid 4680] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 4680] chdir("./4665" [pid 302] <... unlink resumed>) = 0 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13704 [pid 4680] <... chdir resumed>) = 0 [pid 302] getdents64(3, [pid 4680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4680] <... prctl resumed>) = 0 [pid 302] close(3 [pid 4680] setpgid(0, 0 [pid 302] <... close resumed>) = 0 [pid 4680] <... setpgid resumed>) = 0 [pid 302] rmdir("./4738" [pid 4680] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4680] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 302] <... rmdir resumed>) = 0 [pid 4680] <... symlink resumed>) = 0 [pid 4680] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 302] mkdir("./4739", 0777 [pid 4680] <... symlink resumed>) = 0 [pid 4680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 302] <... mkdir resumed>) = 0 [pid 4680] <... openat resumed>) = 3 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4680] write(3, "1000", 4) = 4 [pid 4680] close(3) = 0 [pid 4680] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 4681 attached ) = 0 [pid 4681] set_robust_list(0x5555557fd6a0, 24 [pid 4680] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13923 [pid 4681] <... set_robust_list resumed>) = 0 [pid 4680] <... futex resumed>) = 0 [pid 4680] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4681] chdir("./4739" [pid 4680] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4681] <... chdir resumed>) = 0 [pid 4680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4678] <... bpf resumed>) = 5 [pid 4675] <... bpf resumed>) = 5 [pid 4673] <... bpf resumed>) = 5 [pid 4681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4678] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4675] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4673] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] <... prctl resumed>) = 0 [pid 4680] <... mmap resumed>) = 0x7fba2fe97000 [pid 4678] <... futex resumed>) = 1 [pid 4677] <... futex resumed>) = 0 [pid 4675] <... futex resumed>) = 1 [pid 4673] <... futex resumed>) = 1 [pid 4672] <... futex resumed>) = 0 [pid 4671] <... futex resumed>) = 0 [pid 4681] setpgid(0, 0 [pid 4680] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4678] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4677] close(3 [pid 4675] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4673] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4672] close(3 [pid 4671] close(3 [pid 4681] <... setpgid resumed>) = 0 [pid 4680] <... mprotect resumed>) = 0 [pid 4677] <... close resumed>) = 0 [pid 4672] <... close resumed>) = 0 [pid 4671] <... close resumed>) = 0 [pid 4681] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4680] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4677] close(4 [pid 4672] close(4 [pid 4671] close(4 [pid 4681] <... symlink resumed>) = 0 [pid 4680] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4677] <... close resumed>) = 0 [pid 4672] <... close resumed>) = 0 [pid 4671] <... close resumed>) = 0 [pid 4681] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4677] close(5 [pid 4672] close(5 [pid 4671] close(5./strace-static-x86_64: Process 4682 attached [pid 4681] <... symlink resumed>) = 0 [pid 4677] <... close resumed>) = 0 [pid 4672] <... close resumed>) = 0 [pid 4671] <... close resumed>) = 0 [pid 4682] set_robust_list(0x7fba2feb79a0, 24 [pid 4681] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4680] <... clone3 resumed> => {parent_tid=[13705]}, 88) = 13705 [pid 4677] close(6 [pid 4672] close(6 [pid 4671] close(6 [pid 4682] <... set_robust_list resumed>) = 0 [pid 4681] <... symlink resumed>) = 0 [pid 4680] rt_sigprocmask(SIG_SETMASK, [], [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4682] rt_sigprocmask(SIG_SETMASK, [], [pid 4681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4677] close(7 [pid 4672] close(7 [pid 4671] close(7 [pid 4682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4681] <... openat resumed>) = 3 [pid 4680] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4682] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4681] write(3, "1000", 4 [pid 4680] <... futex resumed>) = 0 [pid 4677] close(8 [pid 4672] close(8 [pid 4671] close(8 [pid 4682] <... bpf resumed>) = 3 [pid 4681] <... write resumed>) = 4 [pid 4680] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4682] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] close(3 [pid 4680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4677] close(9 [pid 4672] close(9 [pid 4671] close(9 [pid 4682] <... futex resumed>) = 0 [pid 4681] <... close resumed>) = 0 [pid 4680] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4682] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4681] symlink("/dev/binderfs", "./binderfs" [pid 4680] <... futex resumed>) = 0 [pid 4677] close(10 [pid 4672] close(10 [pid 4671] close(10 [pid 4682] <... bpf resumed>) = 0 [pid 4680] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4682] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] <... symlink resumed>) = 0 [pid 4680] <... futex resumed>) = 0 [pid 4677] close(11 [pid 4672] close(11 [pid 4671] close(11 [pid 4682] <... futex resumed>) = 0 [pid 4681] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4682] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4681] <... futex resumed>) = 0 [pid 4680] <... mmap resumed>) = 0x7fba2fe76000 [pid 4677] close(12 [pid 4672] close(12 [pid 4671] close(12 [pid 4681] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4680] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4681] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4680] <... mprotect resumed>) = 0 [pid 4677] close(13 [pid 4672] close(13 [pid 4671] close(13 [pid 4681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4680] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4680] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4677] close(14 [pid 4672] close(14 [pid 4671] close(14 [pid 4681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4683 attached [pid 4681] <... mmap resumed>) = 0x7fba2fe97000 [pid 4677] close(15 [pid 4672] close(15 [pid 4671] close(15 [pid 4683] set_robust_list(0x7fba2fe969a0, 24 [pid 4681] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4680] <... clone3 resumed> => {parent_tid=[13706]}, 88) = 13706 [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4683] <... set_robust_list resumed>) = 0 [pid 4681] <... mprotect resumed>) = 0 [pid 4680] rt_sigprocmask(SIG_SETMASK, [], [pid 4677] close(16 [pid 4672] close(16 [pid 4671] close(16 [pid 4683] rt_sigprocmask(SIG_SETMASK, [], [pid 4681] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4681] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4680] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] close(17 [pid 4672] close(17 [pid 4671] close(17 [pid 4683] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4680] <... futex resumed>) = 0 [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4677] close(18 [pid 4672] close(18 [pid 4671] close(18 [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4683] <... bpf resumed>) = 4 [pid 4677] close(19 [pid 4672] close(19 [pid 4671] close(19./strace-static-x86_64: Process 4684 attached [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4683] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4684] set_robust_list(0x7fba2feb79a0, 24 [pid 4683] <... futex resumed>) = 1 [pid 4681] <... clone3 resumed> => {parent_tid=[13924]}, 88) = 13924 [pid 4680] <... futex resumed>) = 0 [pid 4677] close(20 [pid 4672] close(20 [pid 4671] close(20 [pid 4684] <... set_robust_list resumed>) = 0 [pid 4683] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4681] rt_sigprocmask(SIG_SETMASK, [], [pid 4680] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4684] rt_sigprocmask(SIG_SETMASK, [], [pid 4682] <... futex resumed>) = 0 [pid 4681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4680] <... futex resumed>) = 1 [pid 4677] close(21 [pid 4672] close(21 [pid 4671] close(21 [pid 4684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4682] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4681] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4680] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4684] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4681] <... futex resumed>) = 0 [pid 4677] close(22 [pid 4672] close(22 [pid 4671] close(22 [pid 4684] <... bpf resumed>) = 3 [pid 4681] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4684] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4677] close(23 [pid 4672] close(23 [pid 4671] close(23 [pid 4684] <... futex resumed>) = 0 [pid 4681] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4684] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4681] <... futex resumed>) = 0 [pid 4677] close(24 [pid 4672] close(24 [pid 4671] close(24 [pid 4684] <... bpf resumed>) = 0 [pid 4681] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4684] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] <... futex resumed>) = 0 [pid 4677] close(25 [pid 4672] close(25 [pid 4671] close(25 [pid 4684] <... futex resumed>) = 0 [pid 4681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4684] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4681] <... mmap resumed>) = 0x7fba2fe76000 [pid 4677] close(26 [pid 4672] close(26 [pid 4671] close(26 [pid 4681] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4681] <... mprotect resumed>) = 0 [pid 4677] close(27 [pid 4672] close(27 [pid 4671] close(27 [pid 4681] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4681] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4677] close(28 [pid 4672] close(28 [pid 4671] close(28 [pid 4681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4685 attached [pid 4677] close(29 [pid 4672] close(29 [pid 4671] close(29 [pid 4685] set_robust_list(0x7fba2fe969a0, 24 [pid 4681] <... clone3 resumed> => {parent_tid=[13925]}, 88) = 13925 [pid 4677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4672] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4685] <... set_robust_list resumed>) = 0 [pid 4681] rt_sigprocmask(SIG_SETMASK, [], [pid 4677] exit_group(0 [pid 4672] exit_group(0 [pid 4671] exit_group(0 [pid 4685] rt_sigprocmask(SIG_SETMASK, [], [pid 4681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4679] <... futex resumed>) = ? [pid 4678] <... futex resumed>) = ? [pid 4677] <... exit_group resumed>) = ? [pid 4676] <... futex resumed>) = ? [pid 4675] <... futex resumed>) = ? [pid 4674] <... futex resumed>) = ? [pid 4673] <... futex resumed>) = ? [pid 4672] <... exit_group resumed>) = ? [pid 4671] <... exit_group resumed>) = ? [pid 4685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4681] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4679] +++ exited with 0 +++ [pid 4678] +++ exited with 0 +++ [pid 4677] +++ exited with 0 +++ [pid 4676] +++ exited with 0 +++ [pid 4675] +++ exited with 0 +++ [pid 4674] +++ exited with 0 +++ [pid 4673] +++ exited with 0 +++ [pid 4672] +++ exited with 0 +++ [pid 4671] +++ exited with 0 +++ [pid 4685] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4682] <... bpf resumed>) = 5 [pid 4681] <... futex resumed>) = 0 [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13555, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4681] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13830, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 4685] <... bpf resumed>) = 4 [pid 4682] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4685] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... restart_syscall resumed>) = 0 [pid 4685] <... futex resumed>) = 1 [pid 4682] <... futex resumed>) = 1 [pid 4681] <... futex resumed>) = 0 [pid 4680] <... futex resumed>) = 0 [pid 303] umount2("./4771", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4685] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4682] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4681] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4680] close(3 [pid 299] umount2("./4628", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4684] <... futex resumed>) = 0 [pid 4681] <... futex resumed>) = 1 [pid 4680] <... close resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4684] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4681] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4680] close(4 [pid 303] openat(AT_FDCWD, "./4771", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] umount2("./4718", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] openat(AT_FDCWD, "./4628", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4684] <... bpf resumed>) = 5 [pid 4680] <... close resumed>) = 0 [pid 303] <... openat resumed>) = 3 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4684] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4680] close(5 [pid 303] newfstatat(3, "", [pid 301] openat(AT_FDCWD, "./4718", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... openat resumed>) = 3 [pid 4684] <... futex resumed>) = 1 [pid 4681] <... futex resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] <... openat resumed>) = 3 [pid 4684] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4681] close(3 [pid 303] getdents64(3, [pid 301] newfstatat(3, "", [pid 299] newfstatat(3, "", [pid 4681] <... close resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4681] close(4 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] getdents64(3, [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4681] <... close resumed>) = 0 [pid 303] umount2("./4771/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4681] close(5 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] umount2("./4718/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] getdents64(3, [pid 303] newfstatat(AT_FDCWD, "./4771/cgroup.cpu", [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4718/cgroup.cpu", [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] umount2("./4628/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] unlink("./4771/cgroup.cpu" [pid 301] unlink("./4718/cgroup.cpu" [pid 303] <... unlink resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] umount2("./4771/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4718/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] newfstatat(AT_FDCWD, "./4628/cgroup.cpu", [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4718/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] newfstatat(AT_FDCWD, "./4771/binderfs", [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4628/cgroup.cpu" [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4718/binderfs" [pid 303] unlink("./4771/binderfs" [pid 301] <... unlink resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 301] umount2("./4718/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] <... unlink resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4718/cgroup", [pid 299] umount2("./4628/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] umount2("./4771/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] unlink("./4718/cgroup" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4771/cgroup", [pid 301] <... unlink resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] umount2("./4718/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] newfstatat(AT_FDCWD, "./4628/binderfs", [pid 303] unlink("./4771/cgroup" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4718/cgroup.net", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... unlink resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4628/binderfs" [pid 303] umount2("./4771/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] unlink("./4718/cgroup.net" [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... unlink resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 303] newfstatat(AT_FDCWD, "./4771/cgroup.net", [pid 301] getdents64(3, [pid 299] umount2("./4628/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] unlink("./4771/cgroup.net" [pid 301] close(3 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... close resumed>) = 0 [pid 301] rmdir("./4718" [pid 303] <... unlink resumed>) = 0 [pid 301] <... rmdir resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4628/cgroup", [pid 303] getdents64(3, [pid 301] mkdir("./4719", 0777 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] close(3 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] unlink("./4628/cgroup"./strace-static-x86_64: Process 4687 attached [pid 303] <... close resumed>) = 0 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13833 [pid 303] rmdir("./4771" [pid 299] <... unlink resumed>) = 0 [pid 4687] set_robust_list(0x5555557fd6a0, 24 [pid 303] <... rmdir resumed>) = 0 [pid 4687] <... set_robust_list resumed>) = 0 [pid 303] mkdir("./4772", 0777 [pid 299] umount2("./4628/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4687] chdir("./4719" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4687] <... chdir resumed>) = 0 [pid 4687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 303] <... mkdir resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4628/cgroup.net", [pid 4687] <... prctl resumed>) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4687] setpgid(0, 0./strace-static-x86_64: Process 4688 attached ) = 0 [pid 299] unlink("./4628/cgroup.net" [pid 4688] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 4688] chdir("./4772" [pid 4687] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4688] <... chdir resumed>) = 0 [pid 4688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... unlink resumed>) = 0 [pid 4688] <... prctl resumed>) = 0 [pid 4688] setpgid(0, 0 [pid 4687] <... symlink resumed>) = 0 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13991 [pid 299] getdents64(3, [pid 4688] <... setpgid resumed>) = 0 [pid 4687] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4688] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4688] <... symlink resumed>) = 0 [pid 4687] <... symlink resumed>) = 0 [pid 4688] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4687] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 299] close(3 [pid 4688] <... symlink resumed>) = 0 [pid 4687] <... symlink resumed>) = 0 [pid 4688] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 299] <... close resumed>) = 0 [pid 4688] <... symlink resumed>) = 0 [pid 4687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] rmdir("./4628" [pid 4688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4687] <... openat resumed>) = 3 [pid 4688] write(3, "1000", 4) = 4 [pid 4688] close(3 [pid 299] <... rmdir resumed>) = 0 [pid 4688] <... close resumed>) = 0 [pid 4687] write(3, "1000", 4 [pid 299] mkdir("./4629", 0777 [pid 4688] symlink("/dev/binderfs", "./binderfs" [pid 4687] <... write resumed>) = 4 [pid 4688] <... symlink resumed>) = 0 [pid 4688] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 4688] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4687] close(3 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4688] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4687] <... close resumed>) = 0 [pid 4688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4688] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 4689 attached [pid 4688] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4687] symlink("/dev/binderfs", "./binderfs" [pid 4689] set_robust_list(0x5555557fd6a0, 24 [pid 4688] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4689] <... set_robust_list resumed>) = 0 [pid 4688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4687] <... symlink resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13558 ./strace-static-x86_64: Process 4690 attached [pid 4689] chdir("./4629" [pid 4687] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4690] set_robust_list(0x7fba2feb79a0, 24 [pid 4689] <... chdir resumed>) = 0 [pid 4688] <... clone3 resumed> => {parent_tid=[13992]}, 88) = 13992 [pid 4687] <... futex resumed>) = 0 [pid 4690] <... set_robust_list resumed>) = 0 [pid 4689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4688] rt_sigprocmask(SIG_SETMASK, [], [pid 4687] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4690] rt_sigprocmask(SIG_SETMASK, [], [pid 4689] <... prctl resumed>) = 0 [pid 4688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4687] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4689] setpgid(0, 0 [pid 4688] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4687] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4690] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4689] <... setpgid resumed>) = 0 [pid 4688] <... futex resumed>) = 0 [pid 4687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4690] <... bpf resumed>) = 3 [pid 4689] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4688] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4690] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] <... symlink resumed>) = 0 [pid 4688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4687] <... mmap resumed>) = 0x7fba2fe97000 [pid 4690] <... futex resumed>) = 0 [pid 4689] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4688] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4687] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4690] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4689] <... symlink resumed>) = 0 [pid 4688] <... futex resumed>) = 0 [pid 4687] <... mprotect resumed>) = 0 [pid 4689] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4688] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4690] <... bpf resumed>) = 0 [pid 4689] <... symlink resumed>) = 0 [pid 4688] <... futex resumed>) = 0 [pid 4687] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4690] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4690] <... futex resumed>) = 0 [pid 4689] <... openat resumed>) = 3 [pid 4688] <... mmap resumed>) = 0x7fba2fe76000 [pid 4687] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4690] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4689] write(3, "1000", 4 [pid 4688] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4681] <... close resumed>) = 0 [pid 4680] <... close resumed>) = 0 [pid 4687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4689] <... write resumed>) = 4 [pid 4688] <... mprotect resumed>) = 0 [pid 4681] close(6 [pid 4680] close(6./strace-static-x86_64: Process 4691 attached [pid 4689] close(3 [pid 4688] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4691] set_robust_list(0x7fba2feb79a0, 24 [pid 4689] <... close resumed>) = 0 [pid 4688] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4687] <... clone3 resumed> => {parent_tid=[13834]}, 88) = 13834 [pid 4681] close(7 [pid 4680] close(7 [pid 4691] <... set_robust_list resumed>) = 0 [pid 4689] symlink("/dev/binderfs", "./binderfs" [pid 4688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4687] rt_sigprocmask(SIG_SETMASK, [], [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4692 attached [pid 4691] rt_sigprocmask(SIG_SETMASK, [], [pid 4689] <... symlink resumed>) = 0 [pid 4687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4681] close(8 [pid 4680] close(8 [pid 4692] set_robust_list(0x7fba2fe969a0, 24 [pid 4691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4689] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4688] <... clone3 resumed> => {parent_tid=[13993]}, 88) = 13993 [pid 4687] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4692] <... set_robust_list resumed>) = 0 [pid 4691] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4689] <... futex resumed>) = 0 [pid 4688] rt_sigprocmask(SIG_SETMASK, [], [pid 4687] <... futex resumed>) = 0 [pid 4681] close(9 [pid 4680] close(9 [pid 4692] rt_sigprocmask(SIG_SETMASK, [], [pid 4691] <... bpf resumed>) = 3 [pid 4689] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4687] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4691] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4688] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4681] close(10 [pid 4680] close(10 [pid 4692] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4691] <... futex resumed>) = 0 [pid 4689] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4688] <... futex resumed>) = 0 [pid 4687] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4688] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4680] close(11 [pid 4689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4689] <... mmap resumed>) = 0x7fba2fe97000 [pid 4680] close(12 [pid 4692] <... bpf resumed>) = 4 [pid 4689] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4687] <... futex resumed>) = 0 [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4691] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4692] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] <... mprotect resumed>) = 0 [pid 4687] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] close(11 [pid 4680] close(13 [pid 4692] <... futex resumed>) = 1 [pid 4691] <... bpf resumed>) = 0 [pid 4689] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4688] <... futex resumed>) = 0 [pid 4687] <... futex resumed>) = 0 [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4692] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4691] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4688] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4681] close(12 [pid 4680] close(14 [pid 4691] <... futex resumed>) = 0 [pid 4690] <... futex resumed>) = 0 [pid 4689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4688] <... futex resumed>) = 1 [pid 4687] <... mmap resumed>) = 0x7fba2fe76000 [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4693 attached [pid 4691] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4690] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4688] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4687] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4681] close(13 [pid 4680] close(15 [pid 4693] set_robust_list(0x7fba2feb79a0, 24 [pid 4689] <... clone3 resumed> => {parent_tid=[13559]}, 88) = 13559 [pid 4687] <... mprotect resumed>) = 0 [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4693] <... set_robust_list resumed>) = 0 [pid 4689] rt_sigprocmask(SIG_SETMASK, [], [pid 4687] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4681] close(14 [pid 4680] close(16 [pid 4693] rt_sigprocmask(SIG_SETMASK, [], [pid 4689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4687] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4689] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4687] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4681] close(15 [pid 4680] close(17 [pid 4693] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4689] <... futex resumed>) = 0 [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4694 attached [pid 4693] <... bpf resumed>) = 3 [pid 4689] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] close(18 [pid 4694] set_robust_list(0x7fba2fe969a0, 24 [pid 4693] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4687] <... clone3 resumed> => {parent_tid=[13835]}, 88) = 13835 [pid 4681] close(16 [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4694] <... set_robust_list resumed>) = 0 [pid 4693] <... futex resumed>) = 0 [pid 4689] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4687] rt_sigprocmask(SIG_SETMASK, [], [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] close(19 [pid 4694] rt_sigprocmask(SIG_SETMASK, [], [pid 4693] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4689] <... futex resumed>) = 0 [pid 4687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4681] close(17 [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4689] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4680] close(20 [pid 4694] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4693] <... bpf resumed>) = 0 [pid 4689] <... futex resumed>) = 0 [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4687] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4680] close(21 [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4694] <... futex resumed>) = 0 [pid 4693] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] <... mmap resumed>) = 0x7fba2fe76000 [pid 4687] <... futex resumed>) = 1 [pid 4681] close(18 [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4694] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4693] <... futex resumed>) = 0 [pid 4689] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4687] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] close(22 [pid 4694] <... bpf resumed>) = 4 [pid 4693] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4689] <... mprotect resumed>) = 0 [pid 4681] close(19 [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4694] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] close(23 [pid 4694] <... futex resumed>) = 1 [pid 4689] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4687] <... futex resumed>) = 0 [pid 4681] close(20 [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4694] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4687] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] close(24./strace-static-x86_64: Process 4695 attached [pid 4691] <... futex resumed>) = 0 [pid 4687] <... futex resumed>) = 1 [pid 4681] close(21 [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4695] set_robust_list(0x7fba2fe969a0, 24 [pid 4691] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4689] <... clone3 resumed> => {parent_tid=[13560]}, 88) = 13560 [pid 4687] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] close(25 [pid 4695] <... set_robust_list resumed>) = 0 [pid 4689] rt_sigprocmask(SIG_SETMASK, [], [pid 4681] close(22 [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4695] rt_sigprocmask(SIG_SETMASK, [], [pid 4689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] close(26 [pid 4695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4689] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] close(23 [pid 4680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4695] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4689] <... futex resumed>) = 0 [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] close(27) = -1 EBADF (Bad file descriptor) [pid 4689] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4680] close(28) = -1 EBADF (Bad file descriptor) [pid 4680] close(29) = -1 EBADF (Bad file descriptor) [pid 4680] exit_group(0 [pid 4695] <... bpf resumed>) = 4 [pid 4683] <... futex resumed>) = ? [pid 4682] <... futex resumed>) = ? [pid 4681] close(24 [pid 4680] <... exit_group resumed>) = ? [pid 4695] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4683] +++ exited with 0 +++ [pid 4682] +++ exited with 0 +++ [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4680] +++ exited with 0 +++ [pid 4695] <... futex resumed>) = 1 [pid 4689] <... futex resumed>) = 0 [pid 4681] close(25 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13704, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4695] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4689] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4681] close(26 [pid 4693] <... futex resumed>) = 0 [pid 4689] <... futex resumed>) = 1 [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4693] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4689] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4681] close(27) = -1 EBADF (Bad file descriptor) [pid 300] umount2("./4665", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4681] close(28 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] openat(AT_FDCWD, "./4665", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4681] close(29) = -1 EBADF (Bad file descriptor) [pid 300] <... openat resumed>) = 3 [pid 4681] exit_group(0 [pid 300] newfstatat(3, "", [pid 4685] <... futex resumed>) = ? [pid 4684] <... futex resumed>) = ? [pid 4681] <... exit_group resumed>) = ? [pid 4684] +++ exited with 0 +++ [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4685] +++ exited with 0 +++ [pid 4681] +++ exited with 0 +++ [pid 300] getdents64(3, [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13923, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] restart_syscall(<... resuming interrupted clone ...> [pid 300] umount2("./4665/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4665/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... restart_syscall resumed>) = 0 [pid 300] unlink("./4665/cgroup.cpu") = 0 [pid 300] umount2("./4665/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4739", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4665/binderfs", [pid 302] openat(AT_FDCWD, "./4739", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... openat resumed>) = 3 [pid 300] unlink("./4665/binderfs" [pid 302] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] <... unlink resumed>) = 0 [pid 302] getdents64(3, [pid 300] umount2("./4665/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] umount2("./4739/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4665/cgroup", [pid 302] newfstatat(AT_FDCWD, "./4739/cgroup.cpu", [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4665/cgroup" [pid 302] unlink("./4739/cgroup.cpu" [pid 300] <... unlink resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] umount2("./4665/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4739/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4665/cgroup.net", [pid 302] newfstatat(AT_FDCWD, "./4739/binderfs", [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4665/cgroup.net" [pid 302] unlink("./4739/binderfs") = 0 [pid 300] <... unlink resumed>) = 0 [pid 302] umount2("./4739/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] getdents64(3, [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4739/cgroup", [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] close(3 [pid 302] unlink("./4739/cgroup" [pid 300] <... close resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] rmdir("./4665" [pid 302] umount2("./4739/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] <... rmdir resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4739/cgroup.net", [pid 300] mkdir("./4666", 0777 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4739/cgroup.net" [pid 300] <... mkdir resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] getdents64(3, ./strace-static-x86_64: Process 4696 attached 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4696] set_robust_list(0x5555557fd6a0, 24 [pid 302] close(3 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13707 [pid 4696] <... set_robust_list resumed>) = 0 [pid 302] <... close resumed>) = 0 [pid 4696] chdir("./4666" [pid 302] rmdir("./4739" [pid 4696] <... chdir resumed>) = 0 [pid 4696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4696] setpgid(0, 0 [pid 302] <... rmdir resumed>) = 0 [pid 4696] <... setpgid resumed>) = 0 [pid 302] mkdir("./4740", 0777 [pid 4696] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4696] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 302] <... mkdir resumed>) = 0 [pid 4696] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4696] write(3, "1000", 4) = 4 [pid 4696] close(3) = 0 ./strace-static-x86_64: Process 4697 attached [pid 4696] symlink("/dev/binderfs", "./binderfs" [pid 4697] set_robust_list(0x5555557fd6a0, 24 [pid 4696] <... symlink resumed>) = 0 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13926 [pid 4697] <... set_robust_list resumed>) = 0 [pid 4696] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] chdir("./4740" [pid 4696] <... futex resumed>) = 0 [pid 4697] <... chdir resumed>) = 0 [pid 4696] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4696] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4697] <... prctl resumed>) = 0 [pid 4697] setpgid(0, 0 [pid 4696] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4697] <... setpgid resumed>) = 0 [pid 4697] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4697] <... symlink resumed>) = 0 [pid 4696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4697] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4696] <... mmap resumed>) = 0x7fba2fe97000 [pid 4697] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4696] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4697] <... symlink resumed>) = 0 [pid 4696] <... mprotect resumed>) = 0 [pid 4697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4696] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4697] write(3, "1000", 4 [pid 4696] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4697] <... write resumed>) = 4 [pid 4697] close(3 [pid 4696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4697] <... close resumed>) = 0 [pid 4697] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 4698 attached ) = 0 [pid 4698] set_robust_list(0x7fba2feb79a0, 24 [pid 4697] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4698] <... set_robust_list resumed>) = 0 [pid 4697] <... futex resumed>) = 0 [pid 4696] <... clone3 resumed> => {parent_tid=[13708]}, 88) = 13708 [pid 4698] rt_sigprocmask(SIG_SETMASK, [], [pid 4697] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4696] rt_sigprocmask(SIG_SETMASK, [], [pid 4698] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4697] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4698] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4697] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4696] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4696] <... futex resumed>) = 0 [pid 4693] <... bpf resumed>) = 5 [pid 4691] <... bpf resumed>) = 5 [pid 4690] <... bpf resumed>) = 5 [pid 4697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4693] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4691] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4690] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4698] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4697] <... mmap resumed>) = 0x7fba2fe97000 [pid 4696] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4693] <... futex resumed>) = 1 [pid 4691] <... futex resumed>) = 1 [pid 4690] <... futex resumed>) = 1 [pid 4689] <... futex resumed>) = 0 [pid 4688] <... futex resumed>) = 0 [pid 4687] <... futex resumed>) = 0 [pid 4698] <... bpf resumed>) = 3 [pid 4697] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4693] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4691] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4690] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4689] close(3 [pid 4688] close(3 [pid 4687] close(3 [pid 4698] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] <... mprotect resumed>) = 0 [pid 4689] <... close resumed>) = 0 [pid 4688] <... close resumed>) = 0 [pid 4687] <... close resumed>) = 0 [pid 4698] <... futex resumed>) = 1 [pid 4697] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4696] <... futex resumed>) = 0 [pid 4689] close(4 [pid 4688] close(4 [pid 4687] close(4 [pid 4698] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4697] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4696] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] <... close resumed>) = 0 [pid 4688] <... close resumed>) = 0 [pid 4687] <... close resumed>) = 0 [pid 4698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4696] <... futex resumed>) = 0 [pid 4689] close(5 [pid 4688] close(5 [pid 4687] close(5./strace-static-x86_64: Process 4699 attached [pid 4698] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4696] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] <... close resumed>) = 0 [pid 4699] set_robust_list(0x7fba2feb79a0, 24 [pid 4697] <... clone3 resumed> => {parent_tid=[13927]}, 88) = 13927 [pid 4696] <... futex resumed>) = 0 [pid 4698] <... bpf resumed>) = 0 [pid 4697] rt_sigprocmask(SIG_SETMASK, [], [pid 4699] <... set_robust_list resumed>) = 0 [pid 4698] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4689] close(6 [pid 4699] rt_sigprocmask(SIG_SETMASK, [], [pid 4698] <... futex resumed>) = 0 [pid 4697] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4696] <... mmap resumed>) = 0x7fba2fe76000 [pid 4699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4698] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4697] <... futex resumed>) = 0 [pid 4689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4699] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4697] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4696] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4689] close(7 [pid 4699] <... bpf resumed>) = 3 [pid 4696] <... mprotect resumed>) = 0 [pid 4689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4699] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4696] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4689] close(8 [pid 4699] <... futex resumed>) = 1 [pid 4697] <... futex resumed>) = 0 [pid 4696] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4699] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4697] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4689] close(9 [pid 4699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4697] <... futex resumed>) = 0 ./strace-static-x86_64: Process 4700 attached [pid 4699] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4697] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4700] set_robust_list(0x7fba2fe969a0, 24 [pid 4697] <... futex resumed>) = 0 [pid 4700] <... set_robust_list resumed>) = 0 [pid 4699] <... bpf resumed>) = 0 [pid 4697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4689] close(10 [pid 4700] rt_sigprocmask(SIG_SETMASK, [], [pid 4699] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] <... mmap resumed>) = 0x7fba2fe76000 [pid 4696] <... clone3 resumed> => {parent_tid=[13709]}, 88) = 13709 [pid 4689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4699] <... futex resumed>) = 0 [pid 4697] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4696] rt_sigprocmask(SIG_SETMASK, [], [pid 4689] close(11 [pid 4700] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4699] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4697] <... mprotect resumed>) = 0 [pid 4696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4697] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4696] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] close(12 [pid 4700] <... futex resumed>) = 0 [pid 4697] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4696] <... futex resumed>) = 1 [pid 4689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4700] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4696] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4689] close(13./strace-static-x86_64: Process 4701 attached [pid 4700] <... bpf resumed>) = 4 [pid 4689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4701] set_robust_list(0x7fba2fe969a0, 24 [pid 4700] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] <... clone3 resumed> => {parent_tid=[13928]}, 88) = 13928 [pid 4689] close(14 [pid 4701] <... set_robust_list resumed>) = 0 [pid 4700] <... futex resumed>) = 1 [pid 4697] rt_sigprocmask(SIG_SETMASK, [], [pid 4696] <... futex resumed>) = 0 [pid 4689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4701] rt_sigprocmask(SIG_SETMASK, [], [pid 4700] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4696] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] close(15 [pid 4701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4698] <... futex resumed>) = 0 [pid 4697] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4696] <... futex resumed>) = 1 [pid 4689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4701] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4698] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4697] <... futex resumed>) = 0 [pid 4696] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4697] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4689] close(16 [pid 4701] <... bpf resumed>) = 4 [pid 4689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4701] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] close(17 [pid 4701] <... futex resumed>) = 1 [pid 4697] <... futex resumed>) = 0 [pid 4701] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4697] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4699] <... futex resumed>) = 0 [pid 4697] <... futex resumed>) = 1 [pid 4689] close(18 [pid 4699] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4697] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4689] close(19) = -1 EBADF (Bad file descriptor) [pid 4689] close(20) = -1 EBADF (Bad file descriptor) [pid 4689] close(21) = -1 EBADF (Bad file descriptor) [pid 4689] close(22) = -1 EBADF (Bad file descriptor) [pid 4689] close(23) = -1 EBADF (Bad file descriptor) [pid 4689] close(24) = -1 EBADF (Bad file descriptor) [pid 4689] close(25) = -1 EBADF (Bad file descriptor) [pid 4689] close(26) = -1 EBADF (Bad file descriptor) [pid 4689] close(27) = -1 EBADF (Bad file descriptor) [pid 4689] close(28) = -1 EBADF (Bad file descriptor) [pid 4689] close(29) = -1 EBADF (Bad file descriptor) [pid 4689] exit_group(0 [pid 4695] <... futex resumed>) = ? [pid 4693] <... futex resumed>) = ? [pid 4689] <... exit_group resumed>) = ? [pid 4695] +++ exited with 0 +++ [pid 4693] +++ exited with 0 +++ [pid 4689] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 299] umount2("./4629", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./4629", 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, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] umount2("./4629/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4629/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4629/cgroup.cpu") = 0 [pid 299] umount2("./4629/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4629/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4629/binderfs") = 0 [pid 299] umount2("./4629/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4629/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4629/cgroup") = 0 [pid 299] umount2("./4629/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4629/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4629/cgroup.net") = 0 [pid 299] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./4629") = 0 [pid 299] mkdir("./4630", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4702 attached [pid 4702] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13561 [pid 4702] chdir("./4630") = 0 [pid 4702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4702] setpgid(0, 0) = 0 [pid 4702] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4702] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4688] <... close resumed>) = 0 [pid 4687] <... close resumed>) = 0 [pid 4702] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4687] close(6 [pid 4688] close(6 [pid 4702] <... symlink resumed>) = 0 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4687] close(7 [pid 4688] close(7 [pid 4702] <... openat resumed>) = 3 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] write(3, "1000", 4 [pid 4688] close(8 [pid 4687] close(8 [pid 4702] <... write resumed>) = 4 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] close(3 [pid 4688] close(9 [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] <... close resumed>) = 0 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] close(9 [pid 4702] symlink("/dev/binderfs", "./binderfs" [pid 4688] close(10 [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] <... symlink resumed>) = 0 [pid 4687] close(10 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4688] close(11 [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] <... futex resumed>) = 0 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4687] close(11 [pid 4688] close(12 [pid 4702] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4688] close(13 [pid 4687] close(12 [pid 4702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4688] close(14 [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] <... mmap resumed>) = 0x7fba2fe97000 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] close(13 [pid 4702] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4688] close(15 [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] <... mprotect resumed>) = 0 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] close(14 [pid 4702] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4688] close(16 [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] close(15 [pid 4702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4688] close(17 [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4703 attached [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] close(16 [pid 4703] set_robust_list(0x7fba2feb79a0, 24 [pid 4702] <... clone3 resumed> => {parent_tid=[13562]}, 88) = 13562 [pid 4688] close(18 [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4703] <... set_robust_list resumed>) = 0 [pid 4702] rt_sigprocmask(SIG_SETMASK, [], [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4703] rt_sigprocmask(SIG_SETMASK, [], [pid 4702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4688] close(19 [pid 4687] close(17 [pid 4703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4703] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4702] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] <... futex resumed>) = 0 [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4703] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4702] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4688] close(20 [pid 4687] close(18 [pid 4703] <... bpf resumed>) = 3 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4703] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4688] close(21 [pid 4687] close(19 [pid 4703] <... futex resumed>) = 1 [pid 4702] <... futex resumed>) = 0 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4703] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4702] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4688] close(22 [pid 4687] close(20 [pid 4703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4702] <... futex resumed>) = 0 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4703] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4702] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4688] close(23 [pid 4687] close(21 [pid 4703] <... bpf resumed>) = 0 [pid 4702] <... futex resumed>) = 0 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4703] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4688] close(24 [pid 4687] close(22 [pid 4703] <... futex resumed>) = 0 [pid 4702] <... mmap resumed>) = 0x7fba2fe76000 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4703] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4702] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4688] close(25 [pid 4687] close(23 [pid 4702] <... mprotect resumed>) = 0 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4688] close(26 [pid 4702] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4687] close(24 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4688] close(27 [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4704 attached [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] close(25 [pid 4704] set_robust_list(0x7fba2fe969a0, 24 [pid 4702] <... clone3 resumed> => {parent_tid=[13563]}, 88) = 13563 [pid 4688] close(28 [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4704] <... set_robust_list resumed>) = 0 [pid 4702] rt_sigprocmask(SIG_SETMASK, [], [pid 4704] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4704] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] close(26 [pid 4702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4688] close(29 [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4688] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4687] close(27 [pid 4704] <... futex resumed>) = 0 [pid 4702] <... futex resumed>) = 1 [pid 4704] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4702] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4688] exit_group(0 [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4704] <... bpf resumed>) = 4 [pid 4692] <... futex resumed>) = ? [pid 4690] <... futex resumed>) = ? [pid 4688] <... exit_group resumed>) = ? [pid 4687] close(28 [pid 4704] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4692] +++ exited with 0 +++ [pid 4690] +++ exited with 0 +++ [pid 4704] <... futex resumed>) = 1 [pid 4702] <... futex resumed>) = 0 [pid 4704] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4702] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4702] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4688] +++ exited with 0 +++ [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4703] <... futex resumed>) = 0 [pid 4687] close(29 [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13991, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4703] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 4687] exit_group(0 [pid 4691] <... futex resumed>) = 231 [pid 4687] <... exit_group resumed>) = ? [pid 4694] <... futex resumed>) = ? [pid 4691] +++ exited with 0 +++ [pid 303] <... restart_syscall resumed>) = 0 [pid 4694] +++ exited with 0 +++ [pid 4687] +++ exited with 0 +++ [pid 303] umount2("./4772", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13833, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] openat(AT_FDCWD, "./4772", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 303] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] umount2("./4772/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4772/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4772/cgroup.cpu") = 0 [pid 303] umount2("./4772/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4772/binderfs", [pid 301] umount2("./4719", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] unlink("./4772/binderfs" [pid 301] openat(AT_FDCWD, "./4719", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 303] <... unlink resumed>) = 0 [pid 301] <... openat resumed>) = 3 [pid 303] umount2("./4772/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] newfstatat(3, "", [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] newfstatat(AT_FDCWD, "./4772/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] getdents64(3, [pid 303] unlink("./4772/cgroup" [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] <... unlink resumed>) = 0 [pid 301] umount2("./4719/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] umount2("./4772/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4719/cgroup.cpu", [pid 303] newfstatat(AT_FDCWD, "./4772/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4772/cgroup.net" [pid 301] unlink("./4719/cgroup.cpu" [pid 303] <... unlink resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 303] getdents64(3, [pid 301] umount2("./4719/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] close(3 [pid 301] newfstatat(AT_FDCWD, "./4719/binderfs", [pid 303] <... close resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] rmdir("./4772" [pid 301] unlink("./4719/binderfs" [pid 303] <... rmdir resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 303] mkdir("./4773", 0777 [pid 301] umount2("./4719/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... mkdir resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 301] newfstatat(AT_FDCWD, "./4719/cgroup", ./strace-static-x86_64: Process 4705 attached {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4705] set_robust_list(0x5555557fd6a0, 24 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13994 [pid 301] unlink("./4719/cgroup" [pid 4705] <... set_robust_list resumed>) = 0 [pid 4705] chdir("./4773" [pid 301] <... unlink resumed>) = 0 [pid 4705] <... chdir resumed>) = 0 [pid 301] umount2("./4719/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4705] setpgid(0, 0 [pid 301] newfstatat(AT_FDCWD, "./4719/cgroup.net", [pid 4705] <... setpgid resumed>) = 0 [pid 4705] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4705] <... symlink resumed>) = 0 [pid 4705] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 301] unlink("./4719/cgroup.net" [pid 4705] <... symlink resumed>) = 0 [pid 4705] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 301] <... unlink resumed>) = 0 [pid 4705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 301] getdents64(3, [pid 4705] <... openat resumed>) = 3 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4705] write(3, "1000", 4 [pid 301] close(3 [pid 4705] <... write resumed>) = 4 [pid 4705] close(3 [pid 301] <... close resumed>) = 0 [pid 4705] <... close resumed>) = 0 [pid 4705] symlink("/dev/binderfs", "./binderfs") = 0 [pid 301] rmdir("./4719" [pid 4705] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4705] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4705] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 301] <... rmdir resumed>) = 0 [pid 4705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] mkdir("./4720", 0777 [pid 4705] <... mmap resumed>) = 0x7fba2fe97000 [pid 4705] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4698] <... bpf resumed>) = 5 [pid 4705] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4703] <... bpf resumed>) = 5 [pid 4699] <... bpf resumed>) = 5 [pid 4705] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4706 attached [pid 4703] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4699] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4698] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... mkdir resumed>) = 0 [pid 4705] <... clone3 resumed> => {parent_tid=[13995]}, 88) = 13995 [pid 4703] <... futex resumed>) = 1 [pid 4702] <... futex resumed>) = 0 [pid 4706] set_robust_list(0x7fba2feb79a0, 24 [pid 4699] <... futex resumed>) = 1 [pid 4698] <... futex resumed>) = 1 [pid 4697] <... futex resumed>) = 0 [pid 4696] <... futex resumed>) = 0 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4705] rt_sigprocmask(SIG_SETMASK, [], [pid 4703] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4702] close(3 [pid 4699] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4697] close(3 [pid 4696] close(3 [pid 4698] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4706] <... set_robust_list resumed>) = 0 [pid 4705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4697] <... close resumed>) = 0 ./strace-static-x86_64: Process 4707 attached [pid 4705] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] close(4 [pid 4696] <... close resumed>) = 0 [pid 4702] <... close resumed>) = 0 [pid 4707] set_robust_list(0x5555557fd6a0, 24 [pid 4706] rt_sigprocmask(SIG_SETMASK, [], [pid 4705] <... futex resumed>) = 0 [pid 4697] <... close resumed>) = 0 [pid 4696] close(4 [pid 4707] <... set_robust_list resumed>) = 0 [pid 4706] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4705] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4702] close(4 [pid 4697] close(5 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13836 [pid 4696] <... close resumed>) = 0 [pid 4707] chdir("./4720" [pid 4697] <... close resumed>) = 0 [pid 4707] <... chdir resumed>) = 0 [pid 4706] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4702] <... close resumed>) = 0 [pid 4697] close(6 [pid 4696] close(5 [pid 4707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4706] <... bpf resumed>) = 3 [pid 4702] close(5 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] <... prctl resumed>) = 0 [pid 4697] close(7 [pid 4707] setpgid(0, 0 [pid 4706] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] <... setpgid resumed>) = 0 [pid 4706] <... futex resumed>) = 1 [pid 4705] <... futex resumed>) = 0 [pid 4697] close(8 [pid 4707] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4706] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4705] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] <... symlink resumed>) = 0 [pid 4706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4705] <... futex resumed>) = 0 [pid 4697] close(9 [pid 4707] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4706] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4705] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] <... symlink resumed>) = 0 [pid 4697] close(10 [pid 4707] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] <... symlink resumed>) = 0 [pid 4706] <... bpf resumed>) = 0 [pid 4705] <... futex resumed>) = 0 [pid 4697] close(11 [pid 4707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4706] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] <... openat resumed>) = 3 [pid 4706] <... futex resumed>) = 0 [pid 4705] <... mmap resumed>) = 0x7fba2fe76000 [pid 4697] close(12 [pid 4707] write(3, "1000", 4 [pid 4706] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4705] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] <... write resumed>) = 4 [pid 4705] <... mprotect resumed>) = 0 [pid 4697] close(13 [pid 4707] close(3 [pid 4705] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] <... close resumed>) = 0 [pid 4705] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4697] close(14 [pid 4707] symlink("/dev/binderfs", "./binderfs" [pid 4705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] <... symlink resumed>) = 0 [pid 4697] close(15 [pid 4707] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4708 attached [pid 4707] <... futex resumed>) = 0 [pid 4697] close(16 [pid 4708] set_robust_list(0x7fba2fe969a0, 24 [pid 4707] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4705] <... clone3 resumed> => {parent_tid=[13996]}, 88) = 13996 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4708] <... set_robust_list resumed>) = 0 [pid 4707] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4705] rt_sigprocmask(SIG_SETMASK, [], [pid 4697] close(17 [pid 4708] rt_sigprocmask(SIG_SETMASK, [], [pid 4707] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4705] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] close(18 [pid 4708] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4705] <... futex resumed>) = 0 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4708] <... bpf resumed>) = 4 [pid 4707] <... mmap resumed>) = 0x7fba2fe97000 [pid 4705] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4697] close(19 [pid 4708] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4707] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4708] <... futex resumed>) = 0 [pid 4707] <... mprotect resumed>) = 0 [pid 4705] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] close(20 [pid 4708] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4707] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4706] <... futex resumed>) = 0 [pid 4705] <... futex resumed>) = 1 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4706] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4705] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4697] close(21 [pid 4707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4709 attached [pid 4697] close(22 [pid 4709] set_robust_list(0x7fba2feb79a0, 24 [pid 4707] <... clone3 resumed> => {parent_tid=[13837]}, 88) = 13837 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4709] <... set_robust_list resumed>) = 0 [pid 4707] rt_sigprocmask(SIG_SETMASK, [], [pid 4697] close(23 [pid 4709] rt_sigprocmask(SIG_SETMASK, [], [pid 4707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4707] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] close(24 [pid 4709] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4707] <... futex resumed>) = 0 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4709] <... bpf resumed>) = 3 [pid 4707] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4697] close(25 [pid 4709] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4709] <... futex resumed>) = 0 [pid 4707] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] close(26 [pid 4709] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4707] <... futex resumed>) = 0 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4709] <... bpf resumed>) = 0 [pid 4707] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4697] close(27 [pid 4709] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4707] <... futex resumed>) = 0 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4709] <... futex resumed>) = 0 [pid 4707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4697] close(28 [pid 4709] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4707] <... mmap resumed>) = 0x7fba2fe76000 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4697] close(29 [pid 4707] <... mprotect resumed>) = 0 [pid 4697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4697] exit_group(0 [pid 4707] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4701] <... futex resumed>) = ? [pid 4699] <... futex resumed>) = ? [pid 4697] <... exit_group resumed>) = ? [pid 4707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4701] +++ exited with 0 +++ [pid 4699] +++ exited with 0 +++ [pid 4697] +++ exited with 0 +++ ./strace-static-x86_64: Process 4710 attached [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13926, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4710] set_robust_list(0x7fba2fe969a0, 24 [pid 4707] <... clone3 resumed> => {parent_tid=[13838]}, 88) = 13838 [pid 4710] <... set_robust_list resumed>) = 0 [pid 4707] rt_sigprocmask(SIG_SETMASK, [], [pid 4710] rt_sigprocmask(SIG_SETMASK, [], [pid 4707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4710] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4707] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4710] <... bpf resumed>) = 4 [pid 4710] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4707] <... futex resumed>) = 0 [pid 4710] <... futex resumed>) = 0 [pid 4710] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4707] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 4707] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4709] <... futex resumed>) = 0 [pid 4707] <... futex resumed>) = 1 [pid 4709] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4707] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 302] umount2("./4740", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] openat(AT_FDCWD, "./4740", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 302] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] umount2("./4740/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4740/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4740/cgroup.cpu") = 0 [pid 302] umount2("./4740/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4740/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4740/binderfs") = 0 [pid 302] umount2("./4740/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4740/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4740/cgroup") = 0 [pid 302] umount2("./4740/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4740/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4740/cgroup.net") = 0 [pid 302] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] close(3) = 0 [pid 302] rmdir("./4740") = 0 [pid 302] mkdir("./4741", 0777) = 0 [pid 4696] <... close resumed>) = 0 [pid 4702] <... close resumed>) = 0 [pid 4702] close(6 [pid 4696] close(6 [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4702] close(7 [pid 4696] close(7./strace-static-x86_64: Process 4711 attached [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] set_robust_list(0x5555557fd6a0, 24 [pid 4702] close(8 [pid 4696] close(8 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13929 [pid 4711] <... set_robust_list resumed>) = 0 [pid 4711] chdir("./4741" [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] <... chdir resumed>) = 0 [pid 4702] close(9 [pid 4696] close(9 [pid 4711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] <... prctl resumed>) = 0 [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] close(10 [pid 4711] setpgid(0, 0 [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] close(10 [pid 4711] <... setpgid resumed>) = 0 [pid 4711] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4702] close(11 [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] <... symlink resumed>) = 0 [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4702] close(12 [pid 4696] close(11 [pid 4711] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] <... symlink resumed>) = 0 [pid 4702] close(13 [pid 4696] close(12 [pid 4711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] <... openat resumed>) = 3 [pid 4702] close(14 [pid 4696] close(13 [pid 4711] write(3, "1000", 4 [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] <... write resumed>) = 4 [pid 4702] close(15) = -1 EBADF (Bad file descriptor) [pid 4696] close(14 [pid 4711] close(3 [pid 4702] close(16 [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] <... close resumed>) = 0 [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] symlink("/dev/binderfs", "./binderfs" [pid 4702] close(17 [pid 4696] close(15 [pid 4711] <... symlink resumed>) = 0 [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4702] close(18 [pid 4711] <... futex resumed>) = 0 [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] close(16 [pid 4711] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4702] close(19 [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] close(17 [pid 4711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4702] close(20 [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] close(18 [pid 4711] <... mmap resumed>) = 0x7fba2fe97000 [pid 4702] close(21 [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] close(19 [pid 4702] close(22 [pid 4711] <... mprotect resumed>) = 0 [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4702] close(23 [pid 4711] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4696] close(20 [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4702] close(24./strace-static-x86_64: Process 4712 attached ) = -1 EBADF (Bad file descriptor) [pid 4696] close(21 [pid 4712] set_robust_list(0x7fba2feb79a0, 24 [pid 4711] <... clone3 resumed> => {parent_tid=[13930]}, 88) = 13930 [pid 4702] close(25 [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4712] <... set_robust_list resumed>) = 0 [pid 4711] rt_sigprocmask(SIG_SETMASK, [], [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] close(22 [pid 4712] rt_sigprocmask(SIG_SETMASK, [], [pid 4711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4702] close(26 [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4711] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] close(23 [pid 4712] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4711] <... futex resumed>) = 0 [pid 4702] close(27 [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4712] <... bpf resumed>) = 3 [pid 4711] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] close(24 [pid 4712] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4702] close(28 [pid 4712] <... futex resumed>) = 0 [pid 4712] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4711] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4711] <... futex resumed>) = 0 [pid 4702] close(29 [pid 4696] close(25 [pid 4712] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4711] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4712] <... bpf resumed>) = 0 [pid 4711] <... futex resumed>) = 0 [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4712] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4702] exit_group(0 [pid 4696] close(26 [pid 4712] <... futex resumed>) = 0 [pid 4711] <... mmap resumed>) = 0x7fba2fe76000 [pid 4704] <... futex resumed>) = ? [pid 4703] <... futex resumed>) = 140437644337152 [pid 4712] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4711] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4704] +++ exited with 0 +++ [pid 4702] <... exit_group resumed>) = ? [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4703] +++ exited with 0 +++ [pid 4711] <... mprotect resumed>) = 0 [pid 4696] close(27 [pid 4702] +++ exited with 0 +++ [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4696] close(28 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13561, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4711] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 4711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4696] close(29./strace-static-x86_64: Process 4713 attached ) = -1 EBADF (Bad file descriptor) [pid 4713] set_robust_list(0x7fba2fe969a0, 24) = 0 [pid 4696] exit_group(0 [pid 4713] rt_sigprocmask(SIG_SETMASK, [], [pid 4711] <... clone3 resumed> => {parent_tid=[13931]}, 88) = 13931 [pid 4696] <... exit_group resumed>) = ? [pid 4713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4700] <... futex resumed>) = ? [pid 4698] <... futex resumed>) = ? [pid 299] <... restart_syscall resumed>) = 0 [pid 4713] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4700] +++ exited with 0 +++ [pid 4698] +++ exited with 0 +++ [pid 4696] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13707, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4711] rt_sigprocmask(SIG_SETMASK, [], [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 4711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4711] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] umount2("./4630", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4713] <... futex resumed>) = 0 [pid 4711] <... futex resumed>) = 1 [pid 4713] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4713] <... bpf resumed>) = 4 [pid 4711] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... restart_syscall resumed>) = 0 [pid 299] openat(AT_FDCWD, "./4630", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4713] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 299] <... openat resumed>) = 3 [pid 4713] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4711] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] umount2("./4666", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] newfstatat(3, "", [pid 4712] <... futex resumed>) = 0 [pid 4711] <... futex resumed>) = 1 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4712] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4711] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] openat(AT_FDCWD, "./4666", 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 300] <... openat resumed>) = 3 [pid 300] newfstatat(3, "", [pid 299] getdents64(3, [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] umount2("./4666/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] umount2("./4630/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4666/cgroup.cpu", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] newfstatat(AT_FDCWD, "./4630/cgroup.cpu", [pid 300] unlink("./4666/cgroup.cpu") = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] umount2("./4666/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4630/cgroup.cpu" [pid 300] newfstatat(AT_FDCWD, "./4666/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... unlink resumed>) = 0 [pid 300] unlink("./4666/binderfs" [pid 299] umount2("./4630/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... unlink resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] umount2("./4666/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] newfstatat(AT_FDCWD, "./4630/binderfs", [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] newfstatat(AT_FDCWD, "./4666/cgroup", [pid 299] unlink("./4630/binderfs" [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4666/cgroup" [pid 299] <... unlink resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 299] umount2("./4630/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4666/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4630/cgroup", [pid 300] newfstatat(AT_FDCWD, "./4666/cgroup.net", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4630/cgroup" [pid 300] unlink("./4666/cgroup.net" [pid 299] <... unlink resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 300] getdents64(3, [pid 299] umount2("./4630/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] close(3 [pid 299] newfstatat(AT_FDCWD, "./4630/cgroup.net", [pid 300] <... close resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] rmdir("./4666" [pid 299] unlink("./4630/cgroup.net" [pid 300] <... rmdir resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 300] mkdir("./4667", 0777 [pid 299] getdents64(3, [pid 300] <... mkdir resumed>) = 0 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] close(3./strace-static-x86_64: Process 4714 attached ) = 0 [pid 4714] set_robust_list(0x5555557fd6a0, 24 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13710 [pid 299] rmdir("./4630" [pid 4714] <... set_robust_list resumed>) = 0 [pid 4714] chdir("./4667") = 0 [pid 4714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4714] setpgid(0, 0) = 0 [pid 4714] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 299] <... rmdir resumed>) = 0 [pid 4714] <... symlink resumed>) = 0 [pid 4714] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 299] mkdir("./4631", 0777 [pid 4714] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... mkdir resumed>) = 0 [pid 4714] <... openat resumed>) = 3 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4714] write(3, "1000", 4) = 4 [pid 4714] close(3) = 0 [pid 4714] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4714] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4714] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4712] <... bpf resumed>) = 5 [pid 4709] <... bpf resumed>) = 5 [pid 4706] <... bpf resumed>) = 5 ./strace-static-x86_64: Process 4715 attached [pid 4714] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4712] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4709] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4706] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] set_robust_list(0x5555557fd6a0, 24 [pid 4714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4712] <... futex resumed>) = 1 [pid 4709] <... futex resumed>) = 1 [pid 4715] <... set_robust_list resumed>) = 0 [pid 4714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4712] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4711] <... futex resumed>) = 0 [pid 4709] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4707] <... futex resumed>) = 0 [pid 4706] <... futex resumed>) = 1 [pid 4705] <... futex resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13564 [pid 4715] chdir("./4631" [pid 4714] <... mmap resumed>) = 0x7fba2fe97000 [pid 4711] close(3 [pid 4715] <... chdir resumed>) = 0 [pid 4714] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4711] <... close resumed>) = 0 [pid 4707] close(3 [pid 4706] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4705] close(3 [pid 4715] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4714] <... mprotect resumed>) = 0 [pid 4711] close(4 [pid 4707] <... close resumed>) = 0 [pid 4715] <... prctl resumed>) = 0 [pid 4714] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4705] <... close resumed>) = 0 [pid 4715] setpgid(0, 0 [pid 4714] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4711] <... close resumed>) = 0 [pid 4707] close(4 [pid 4705] close(4 [pid 4715] <... setpgid resumed>) = 0 [pid 4714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4711] close(5 [pid 4707] <... close resumed>) = 0 [pid 4705] <... close resumed>) = 0 [pid 4715] symlink("/syzcgroup/unified/syz2", "./cgroup"./strace-static-x86_64: Process 4716 attached ) = 0 [pid 4714] <... clone3 resumed> => {parent_tid=[13711]}, 88) = 13711 [pid 4711] <... close resumed>) = 0 [pid 4707] close(5 [pid 4705] close(5 [pid 4716] set_robust_list(0x7fba2feb79a0, 24 [pid 4715] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4714] rt_sigprocmask(SIG_SETMASK, [], [pid 4711] close(6 [pid 4707] <... close resumed>) = 0 [pid 4716] <... set_robust_list resumed>) = 0 [pid 4715] <... symlink resumed>) = 0 [pid 4714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(6 [pid 4705] <... close resumed>) = 0 [pid 4716] rt_sigprocmask(SIG_SETMASK, [], [pid 4715] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4714] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4711] close(7 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] close(6 [pid 4716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4715] <... symlink resumed>) = 0 [pid 4714] <... futex resumed>) = 0 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(7 [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4716] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4714] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4711] close(8 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] close(7 [pid 4716] <... bpf resumed>) = 3 [pid 4715] <... openat resumed>) = 3 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(8 [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4716] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] write(3, "1000", 4 [pid 4711] close(9 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] close(8 [pid 4716] <... futex resumed>) = 1 [pid 4715] <... write resumed>) = 4 [pid 4714] <... futex resumed>) = 0 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(9 [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4716] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4715] close(3 [pid 4714] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4711] close(10 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4715] <... close resumed>) = 0 [pid 4714] <... futex resumed>) = 0 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(10 [pid 4705] close(9 [pid 4716] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4715] symlink("/dev/binderfs", "./binderfs" [pid 4714] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4711] close(11 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4716] <... bpf resumed>) = 0 [pid 4715] <... symlink resumed>) = 0 [pid 4714] <... futex resumed>) = 0 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(11 [pid 4705] close(10 [pid 4716] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4711] close(12 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4716] <... futex resumed>) = 0 [pid 4715] <... futex resumed>) = 0 [pid 4714] <... mmap resumed>) = 0x7fba2fe76000 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(12 [pid 4705] close(11 [pid 4715] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4716] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4715] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4714] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4711] close(13 [pid 4715] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4714] <... mprotect resumed>) = 0 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(13 [pid 4705] close(12 [pid 4715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4715] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4714] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4715] <... mprotect resumed>) = 0 [pid 4711] close(14 [pid 4714] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(14 [pid 4705] close(13 [pid 4715] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 4717 attached [pid 4715] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] close(15 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4718 attached [pid 4717] set_robust_list(0x7fba2fe969a0, 24 [pid 4714] <... clone3 resumed> => {parent_tid=[13712]}, 88) = 13712 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(15 [pid 4705] close(14 [pid 4718] set_robust_list(0x7fba2feb79a0, 24 [pid 4717] <... set_robust_list resumed>) = 0 [pid 4715] <... clone3 resumed> => {parent_tid=[13565]}, 88) = 13565 [pid 4714] rt_sigprocmask(SIG_SETMASK, [], [pid 4711] close(16 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4718] <... set_robust_list resumed>) = 0 [pid 4717] rt_sigprocmask(SIG_SETMASK, [], [pid 4715] rt_sigprocmask(SIG_SETMASK, [], [pid 4714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4718] rt_sigprocmask(SIG_SETMASK, [], [pid 4717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4715] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4714] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(16 [pid 4705] close(15 [pid 4718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4717] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4715] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4714] <... futex resumed>) = 0 [pid 4711] close(17 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4718] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4717] <... bpf resumed>) = 4 [pid 4715] <... futex resumed>) = 0 [pid 4714] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(17 [pid 4705] close(16 [pid 4718] <... bpf resumed>) = 3 [pid 4717] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4711] close(18 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4718] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4717] <... futex resumed>) = 0 [pid 4715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4714] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(18 [pid 4705] close(17 [pid 4718] <... futex resumed>) = 0 [pid 4717] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4716] <... futex resumed>) = 0 [pid 4715] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4714] <... futex resumed>) = 1 [pid 4711] close(19 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4718] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4716] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4715] <... futex resumed>) = 0 [pid 4714] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(19 [pid 4705] close(18 [pid 4718] <... bpf resumed>) = 0 [pid 4715] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe76000 [pid 4715] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4711] close(20 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4718] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] <... mprotect resumed>) = 0 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(20 [pid 4705] close(19 [pid 4718] <... futex resumed>) = 0 [pid 4715] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4711] close(21 [pid 4718] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(21 [pid 4705] close(20 [pid 4715] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4719 attached [pid 4711] close(22 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4719] set_robust_list(0x7fba2fe969a0, 24 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(22 [pid 4705] close(21 [pid 4719] <... set_robust_list resumed>) = 0 [pid 4715] <... clone3 resumed> => {parent_tid=[13566]}, 88) = 13566 [pid 4711] close(23 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4719] rt_sigprocmask(SIG_SETMASK, [], [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(23 [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4711] close(24 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] close(22 [pid 4719] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(24 [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] rt_sigprocmask(SIG_SETMASK, [], [pid 4711] close(25 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] close(23 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(25 [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] close(26 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] close(24 [pid 4715] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(26 [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] close(27 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] close(25 [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(27 [pid 4711] close(28 [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(28 [pid 4705] close(26 [pid 4711] close(29 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4707] close(29 [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4711] exit_group(0 [pid 4707] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4705] close(27 [pid 4719] <... futex resumed>) = 0 [pid 4715] <... futex resumed>) = 1 [pid 4713] <... futex resumed>) = ? [pid 4712] <... futex resumed>) = ? [pid 4711] <... exit_group resumed>) = ? [pid 4719] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4715] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4713] +++ exited with 0 +++ [pid 4712] +++ exited with 0 +++ [pid 4707] exit_group(0 [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4719] <... bpf resumed>) = 4 [pid 4711] +++ exited with 0 +++ [pid 4710] <... futex resumed>) = ? [pid 4709] <... futex resumed>) = ? [pid 4707] <... exit_group resumed>) = ? [pid 4705] close(28 [pid 4719] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4710] +++ exited with 0 +++ [pid 4709] +++ exited with 0 +++ [pid 4719] <... futex resumed>) = 1 [pid 4715] <... futex resumed>) = 0 [pid 4719] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4715] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4715] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4707] +++ exited with 0 +++ [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4718] <... futex resumed>) = 0 [pid 4705] close(29 [pid 4718] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13836, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4705] exit_group(0 [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13929, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] umount2("./4720", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4708] <... futex resumed>) = ? [pid 4706] <... futex resumed>) = ? [pid 4705] <... exit_group resumed>) = ? [pid 302] umount2("./4741", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4708] +++ exited with 0 +++ [pid 4706] +++ exited with 0 +++ [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4705] +++ exited with 0 +++ [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] openat(AT_FDCWD, "./4720", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] openat(AT_FDCWD, "./4741", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 301] <... openat resumed>) = 3 [pid 303] <... restart_syscall resumed>) = 0 [pid 302] <... openat resumed>) = 3 [pid 302] newfstatat(3, "", [pid 301] newfstatat(3, "", [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] umount2("./4773", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] getdents64(3, [pid 303] openat(AT_FDCWD, "./4773", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] getdents64(3, [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] <... openat resumed>) = 3 [pid 302] umount2("./4741/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] newfstatat(3, "", [pid 301] umount2("./4720/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] getdents64(3, [pid 302] newfstatat(AT_FDCWD, "./4741/cgroup.cpu", [pid 301] newfstatat(AT_FDCWD, "./4720/cgroup.cpu", [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] umount2("./4773/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] unlink("./4741/cgroup.cpu" [pid 301] unlink("./4720/cgroup.cpu" [pid 303] newfstatat(AT_FDCWD, "./4773/cgroup.cpu", [pid 302] <... unlink resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] umount2("./4741/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4720/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] unlink("./4773/cgroup.cpu" [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4716] <... bpf resumed>) = 5 [pid 4718] <... bpf resumed>) = 5 [pid 4716] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] newfstatat(AT_FDCWD, "./4720/binderfs", [pid 4718] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4716] <... futex resumed>) = 1 [pid 4714] <... futex resumed>) = 0 [pid 303] <... unlink resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4741/binderfs", [pid 4718] <... futex resumed>) = 1 [pid 4716] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4715] <... futex resumed>) = 0 [pid 4714] close(3 [pid 303] umount2("./4773/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4718] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4715] close(3 [pid 4714] <... close resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4715] <... close resumed>) = 0 [pid 4714] close(4 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] unlink("./4741/binderfs" [pid 301] unlink("./4720/binderfs" [pid 4715] close(4 [pid 4714] <... close resumed>) = 0 [pid 303] newfstatat(AT_FDCWD, "./4773/binderfs", [pid 4715] <... close resumed>) = 0 [pid 4714] close(5 [pid 4715] close(5 [pid 302] <... unlink resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] umount2("./4741/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... unlink resumed>) = 0 [pid 303] unlink("./4773/binderfs" [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] umount2("./4720/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... unlink resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] umount2("./4773/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] newfstatat(AT_FDCWD, "./4741/cgroup", [pid 301] newfstatat(AT_FDCWD, "./4720/cgroup", [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] newfstatat(AT_FDCWD, "./4773/cgroup", [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4741/cgroup" [pid 301] unlink("./4720/cgroup" [pid 303] unlink("./4773/cgroup" [pid 302] <... unlink resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 303] <... unlink resumed>) = 0 [pid 302] umount2("./4741/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4720/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] umount2("./4773/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4741/cgroup.net", [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4773/cgroup.net", [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] newfstatat(AT_FDCWD, "./4720/cgroup.net", [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4741/cgroup.net" [pid 303] unlink("./4773/cgroup.net" [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... unlink resumed>) = 0 [pid 301] unlink("./4720/cgroup.net" [pid 303] <... unlink resumed>) = 0 [pid 302] getdents64(3, [pid 301] <... unlink resumed>) = 0 [pid 303] getdents64(3, [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] getdents64(3, [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] close(3 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] close(3 [pid 302] <... close resumed>) = 0 [pid 301] close(3 [pid 303] <... close resumed>) = 0 [pid 301] <... close resumed>) = 0 [pid 303] rmdir("./4773" [pid 302] rmdir("./4741" [pid 301] rmdir("./4720" [pid 303] <... rmdir resumed>) = 0 [pid 301] <... rmdir resumed>) = 0 [pid 303] mkdir("./4774", 0777 [pid 302] <... rmdir resumed>) = 0 [pid 301] mkdir("./4721", 0777 [pid 303] <... mkdir resumed>) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 302] mkdir("./4742", 0777 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] <... mkdir resumed>) = 0 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4720 attached [pid 4720] set_robust_list(0x5555557fd6a0, 24) = 0 ./strace-static-x86_64: Process 4721 attached [pid 4720] chdir("./4774") = 0 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 13997 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4721] set_robust_list(0x5555557fd6a0, 24 [pid 4720] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13839 [pid 4720] <... prctl resumed>) = 0 [pid 4720] setpgid(0, 0) = 0 [pid 4720] symlink("/syzcgroup/unified/syz4", "./cgroup"./strace-static-x86_64: Process 4722 attached [pid 4721] <... set_robust_list resumed>) = 0 [pid 4720] <... symlink resumed>) = 0 [pid 4722] set_robust_list(0x5555557fd6a0, 24 [pid 4720] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4722] <... set_robust_list resumed>) = 0 [pid 4721] chdir("./4721" [pid 4720] <... symlink resumed>) = 0 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13932 [pid 4720] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4722] chdir("./4742" [pid 4720] <... symlink resumed>) = 0 [pid 4722] <... chdir resumed>) = 0 [pid 4721] <... chdir resumed>) = 0 [pid 4720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4720] <... openat resumed>) = 3 [pid 4722] <... prctl resumed>) = 0 [pid 4720] write(3, "1000", 4 [pid 4721] <... prctl resumed>) = 0 [pid 4720] <... write resumed>) = 4 [pid 4722] setpgid(0, 0 [pid 4720] close(3 [pid 4722] <... setpgid resumed>) = 0 [pid 4721] setpgid(0, 0 [pid 4720] <... close resumed>) = 0 [pid 4720] symlink("/dev/binderfs", "./binderfs" [pid 4722] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4721] <... setpgid resumed>) = 0 [pid 4720] <... symlink resumed>) = 0 [pid 4720] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4720] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4722] <... symlink resumed>) = 0 [pid 4720] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4720] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4721] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4722] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4721] <... symlink resumed>) = 0 [pid 4720] <... mmap resumed>) = 0x7fba2fe97000 [pid 4720] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4722] <... symlink resumed>) = 0 [pid 4720] <... mprotect resumed>) = 0 [pid 4722] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4721] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4720] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4720] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4723 attached [pid 4722] <... symlink resumed>) = 0 [pid 4723] set_robust_list(0x7fba2feb79a0, 24 [pid 4721] <... symlink resumed>) = 0 [pid 4720] <... clone3 resumed> => {parent_tid=[13998]}, 88) = 13998 [pid 4723] <... set_robust_list resumed>) = 0 [pid 4722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4721] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4720] rt_sigprocmask(SIG_SETMASK, [], [pid 4723] rt_sigprocmask(SIG_SETMASK, [], [pid 4720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4720] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4723] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4722] <... openat resumed>) = 3 [pid 4720] <... futex resumed>) = 0 [pid 4723] <... bpf resumed>) = 3 [pid 4720] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4723] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4723] <... futex resumed>) = 0 [pid 4720] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4723] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4720] <... futex resumed>) = 0 [pid 4723] <... bpf resumed>) = 0 [pid 4722] write(3, "1000", 4 [pid 4721] <... symlink resumed>) = 0 [pid 4720] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4723] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4722] <... write resumed>) = 4 [pid 4721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4720] <... futex resumed>) = 0 [pid 4723] <... futex resumed>) = 0 [pid 4720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4723] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4722] close(3 [pid 4720] <... mmap resumed>) = 0x7fba2fe76000 [pid 4720] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4722] <... close resumed>) = 0 [pid 4721] <... openat resumed>) = 3 [pid 4720] <... mprotect resumed>) = 0 [pid 4722] symlink("/dev/binderfs", "./binderfs" [pid 4721] write(3, "1000", 4 [pid 4720] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4720] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4724 attached [pid 4722] <... symlink resumed>) = 0 [pid 4721] <... write resumed>) = 4 [pid 4724] set_robust_list(0x7fba2fe969a0, 24 [pid 4722] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4721] close(3 [pid 4720] <... clone3 resumed> => {parent_tid=[13999]}, 88) = 13999 [pid 4724] <... set_robust_list resumed>) = 0 [pid 4722] <... futex resumed>) = 0 [pid 4721] <... close resumed>) = 0 [pid 4720] rt_sigprocmask(SIG_SETMASK, [], [pid 4724] rt_sigprocmask(SIG_SETMASK, [], [pid 4722] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4721] symlink("/dev/binderfs", "./binderfs" [pid 4720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4720] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4724] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4720] <... futex resumed>) = 0 [pid 4720] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4721] <... symlink resumed>) = 0 [pid 4724] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4722] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4721] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4724] <... bpf resumed>) = 4 [pid 4721] <... futex resumed>) = 0 [pid 4724] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4722] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4721] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4724] <... futex resumed>) = 1 [pid 4722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4721] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4720] <... futex resumed>) = 0 [pid 4724] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4721] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4720] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4723] <... futex resumed>) = 0 [pid 4722] <... mmap resumed>) = 0x7fba2fe97000 [pid 4721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4720] <... futex resumed>) = 1 [pid 4723] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4722] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4720] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4722] <... mprotect resumed>) = 0 [pid 4721] <... mmap resumed>) = 0x7fba2fe97000 [pid 4722] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4721] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4722] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4721] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 4725 attached [pid 4725] set_robust_list(0x7fba2feb79a0, 24) = 0 [pid 4725] rt_sigprocmask(SIG_SETMASK, [], [pid 4722] <... clone3 resumed> => {parent_tid=[13933]}, 88) = 13933 [pid 4721] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4722] rt_sigprocmask(SIG_SETMASK, [], [pid 4725] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4721] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4722] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4721] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4725] <... futex resumed>) = 0 [pid 4722] <... futex resumed>) = 1 [pid 4725] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=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 4726 attached ) = 3 [pid 4722] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4726] set_robust_list(0x7fba2feb79a0, 24 [pid 4725] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4721] <... clone3 resumed> => {parent_tid=[13840]}, 88) = 13840 [pid 4726] <... set_robust_list resumed>) = 0 [pid 4725] <... futex resumed>) = 0 [pid 4726] rt_sigprocmask(SIG_SETMASK, [], [pid 4725] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4722] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4721] rt_sigprocmask(SIG_SETMASK, [], [pid 4726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4725] <... bpf resumed>) = 0 [pid 4726] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4725] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4722] <... futex resumed>) = 0 [pid 4721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4725] <... futex resumed>) = 0 [pid 4722] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4721] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4725] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4722] <... futex resumed>) = 0 [pid 4726] <... futex resumed>) = 0 [pid 4725] <... bpf resumed>) = 4 [pid 4722] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4721] <... futex resumed>) = 1 [pid 4726] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4725] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4726] <... bpf resumed>) = 3 [pid 4725] <... futex resumed>) = 0 [pid 4722] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4721] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4726] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4725] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4722] <... futex resumed>) = 0 [pid 4721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4726] <... futex resumed>) = 0 [pid 4722] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4726] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4721] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] <... bpf resumed>) = 0 [pid 4726] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4726] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4721] <... futex resumed>) = 0 [pid 4721] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] <... futex resumed>) = 0 [pid 4721] <... futex resumed>) = 1 [pid 4726] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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) = 4 [pid 4721] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4726] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4714] <... close resumed>) = 0 [pid 4715] <... close resumed>) = 0 [pid 4726] <... futex resumed>) = 0 [pid 4721] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4715] close(6 [pid 4714] close(6 [pid 4726] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4721] <... futex resumed>) = 0 [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4721] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4715] close(7) = -1 EBADF (Bad file descriptor) [pid 4714] close(7 [pid 4715] close(8 [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] close(8 [pid 4715] close(9 [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] close(9 [pid 4715] close(10 [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] close(10 [pid 4715] close(11 [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] close(11 [pid 4715] close(12 [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] close(12 [pid 4715] close(13 [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] close(13 [pid 4715] close(14 [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] close(14 [pid 4715] close(15 [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] close(15 [pid 4715] close(16 [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] close(16 [pid 4715] close(17 [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] close(17 [pid 4715] close(18) = -1 EBADF (Bad file descriptor) [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] close(19 [pid 4714] close(18 [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] close(20 [pid 4714] close(19 [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] close(21 [pid 4714] close(20 [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] close(22 [pid 4714] close(21 [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] close(23 [pid 4714] close(22 [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] close(24 [pid 4714] close(23 [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] close(25 [pid 4714] close(24 [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] close(26 [pid 4714] close(25 [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] close(27 [pid 4714] close(26 [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] close(28 [pid 4714] close(27 [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] close(29 [pid 4714] close(28 [pid 4715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4715] exit_group(0 [pid 4719] <... futex resumed>) = ? [pid 4718] <... futex resumed>) = ? [pid 4715] <... exit_group resumed>) = ? [pid 4714] close(29 [pid 4719] +++ exited with 0 +++ [pid 4714] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4718] +++ exited with 0 +++ [pid 4715] +++ exited with 0 +++ [pid 4714] exit_group(0 [pid 4717] <... futex resumed>) = ? [pid 4716] <... futex resumed>) = ? [pid 4714] <... exit_group resumed>) = ? [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4717] +++ exited with 0 +++ [pid 4716] +++ exited with 0 +++ [pid 4714] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 299] <... restart_syscall resumed>) = 0 [pid 300] <... restart_syscall resumed>) = 0 [pid 299] umount2("./4631", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] umount2("./4667", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] openat(AT_FDCWD, "./4667", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 300] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] umount2("./4667/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./4631", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] newfstatat(AT_FDCWD, "./4667/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... openat resumed>) = 3 [pid 300] unlink("./4667/cgroup.cpu") = 0 [pid 299] newfstatat(3, "", [pid 300] umount2("./4667/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4667/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4667/binderfs") = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] umount2("./4667/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4667/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4667/cgroup" [pid 299] getdents64(3, [pid 300] <... unlink resumed>) = 0 [pid 300] umount2("./4667/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4667/cgroup.net", [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4667/cgroup.net") = 0 [pid 299] umount2("./4631/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] close(3) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] rmdir("./4667" [pid 299] newfstatat(AT_FDCWD, "./4631/cgroup.cpu", [pid 300] <... rmdir resumed>) = 0 [pid 300] mkdir("./4668", 0777 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... mkdir resumed>) = 0 [pid 299] unlink("./4631/cgroup.cpu" [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4727 attached [pid 299] umount2("./4631/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4727] set_robust_list(0x5555557fd6a0, 24 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13713 [pid 4727] <... set_robust_list resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4727] chdir("./4668" [pid 299] newfstatat(AT_FDCWD, "./4631/binderfs", [pid 4727] <... chdir resumed>) = 0 [pid 4727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4727] <... prctl resumed>) = 0 [pid 4727] setpgid(0, 0) = 0 [pid 4727] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4727] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 299] unlink("./4631/binderfs" [pid 4727] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 299] <... unlink resumed>) = 0 [pid 4727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] umount2("./4631/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4727] <... openat resumed>) = 3 [pid 4727] write(3, "1000", 4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4727] <... write resumed>) = 4 [pid 4727] close(3) = 0 [pid 4727] symlink("/dev/binderfs", "./binderfs" [pid 299] newfstatat(AT_FDCWD, "./4631/cgroup", [pid 4727] <... symlink resumed>) = 0 [pid 4727] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4727] <... futex resumed>) = 0 [pid 4727] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 299] unlink("./4631/cgroup" [pid 4727] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 299] <... unlink resumed>) = 0 [pid 4727] <... mmap resumed>) = 0x7fba2fe97000 [pid 4727] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 299] umount2("./4631/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4727] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4728 attached [pid 299] newfstatat(AT_FDCWD, "./4631/cgroup.net", [pid 4728] set_robust_list(0x7fba2feb79a0, 24 [pid 4727] <... clone3 resumed> => {parent_tid=[13714]}, 88) = 13714 [pid 4728] <... set_robust_list resumed>) = 0 [pid 4727] rt_sigprocmask(SIG_SETMASK, [], [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4728] rt_sigprocmask(SIG_SETMASK, [], [pid 4727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] unlink("./4631/cgroup.net" [pid 4728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4727] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4727] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... unlink resumed>) = 0 [pid 4728] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, 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 4728] <... bpf resumed>) = 3 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4728] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] close(3 [pid 4728] <... futex resumed>) = 1 [pid 4727] <... futex resumed>) = 0 [pid 4728] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4727] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... close resumed>) = 0 [pid 4728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4727] <... futex resumed>) = 0 [pid 299] rmdir("./4631" [pid 4728] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4727] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe76000 [pid 4727] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4727] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 299] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 4729 attached [pid 4728] <... bpf resumed>) = 0 [pid 299] mkdir("./4632", 0777 [pid 4729] set_robust_list(0x7fba2fe969a0, 24 [pid 4727] <... clone3 resumed> => {parent_tid=[13715]}, 88) = 13715 [pid 4728] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4729] <... set_robust_list resumed>) = 0 [pid 4727] rt_sigprocmask(SIG_SETMASK, [], [pid 4729] rt_sigprocmask(SIG_SETMASK, [], [pid 4727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4727] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4729] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4727] <... futex resumed>) = 0 [pid 4728] <... futex resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 4729] <... bpf resumed>) = 4 [pid 4728] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4727] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4729] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4729] <... futex resumed>) = 0 [pid 4727] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4729] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4728] <... futex resumed>) = 0 [pid 4727] <... futex resumed>) = 1 [pid 4728] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4727] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000}./strace-static-x86_64: Process 4730 attached [pid 4730] set_robust_list(0x5555557fd6a0, 24 [pid 4728] <... bpf resumed>) = 5 [pid 4726] <... bpf resumed>) = 5 [pid 4725] <... bpf resumed>) = 5 [pid 4723] <... bpf resumed>) = 5 [pid 4730] <... set_robust_list resumed>) = 0 [pid 4728] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4725] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4723] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13567 [pid 4730] chdir("./4632" [pid 4728] <... futex resumed>) = 1 [pid 4727] <... futex resumed>) = 0 [pid 4726] <... futex resumed>) = 1 [pid 4725] <... futex resumed>) = 1 [pid 4723] <... futex resumed>) = 1 [pid 4722] <... futex resumed>) = 0 [pid 4721] <... futex resumed>) = 0 [pid 4720] <... futex resumed>) = 0 [pid 4730] <... chdir resumed>) = 0 [pid 4728] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4727] close(3 [pid 4726] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4725] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4723] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4722] close(3 [pid 4721] close(3 [pid 4720] close(3 [pid 4730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4727] <... close resumed>) = 0 [pid 4722] <... close resumed>) = 0 [pid 4721] <... close resumed>) = 0 [pid 4720] <... close resumed>) = 0 [pid 4730] <... prctl resumed>) = 0 [pid 4727] close(4 [pid 4722] close(4 [pid 4721] close(4 [pid 4720] close(4 [pid 4730] setpgid(0, 0 [pid 4727] <... close resumed>) = 0 [pid 4720] <... close resumed>) = 0 [pid 4722] <... close resumed>) = 0 [pid 4730] <... setpgid resumed>) = 0 [pid 4727] close(5 [pid 4722] close(5 [pid 4721] <... close resumed>) = 0 [pid 4720] close(5 [pid 4730] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4727] <... close resumed>) = 0 [pid 4722] <... close resumed>) = 0 [pid 4721] close(5 [pid 4730] <... symlink resumed>) = 0 [pid 4727] close(6 [pid 4730] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4722] close(6 [pid 4730] <... symlink resumed>) = 0 [pid 4727] close(7 [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4722] close(7 [pid 4730] <... symlink resumed>) = 0 [pid 4727] close(8 [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4722] close(8 [pid 4730] <... openat resumed>) = 3 [pid 4727] close(9 [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] write(3, "1000", 4 [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4722] close(9 [pid 4730] <... write resumed>) = 4 [pid 4727] close(10 [pid 4730] close(3 [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = 0 [pid 4727] close(11 [pid 4722] close(10 [pid 4730] symlink("/dev/binderfs", "./binderfs" [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... symlink resumed>) = 0 [pid 4727] close(12 [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4722] close(11 [pid 4730] <... futex resumed>) = 0 [pid 4727] close(13 [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4722] close(12 [pid 4730] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4727] close(14 [pid 4730] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4727] close(15 [pid 4722] close(13 [pid 4730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... mmap resumed>) = 0x7fba2fe97000 [pid 4727] close(16 [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4722] close(14 [pid 4730] <... mprotect resumed>) = 0 [pid 4727] close(17 [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4727] close(18 [pid 4722] close(15 [pid 4730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4731 attached [pid 4727] close(19 [pid 4722] close(16 [pid 4731] set_robust_list(0x7fba2feb79a0, 24 [pid 4730] <... clone3 resumed> => {parent_tid=[13568]}, 88) = 13568 [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4731] <... set_robust_list resumed>) = 0 [pid 4730] rt_sigprocmask(SIG_SETMASK, [], [pid 4727] close(20 [pid 4722] close(17 [pid 4731] rt_sigprocmask(SIG_SETMASK, [], [pid 4730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4730] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4727] close(21 [pid 4722] close(18 [pid 4730] <... futex resumed>) = 0 [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4727] close(22 [pid 4731] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4727] close(23) = -1 EBADF (Bad file descriptor) [pid 4727] close(24 [pid 4731] <... bpf resumed>) = 3 [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4731] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4727] close(25 [pid 4722] close(19 [pid 4731] <... futex resumed>) = 1 [pid 4730] <... futex resumed>) = 0 [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4731] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4730] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4727] close(26 [pid 4722] close(20 [pid 4731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4730] <... futex resumed>) = 0 [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4731] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4730] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4727] close(27 [pid 4722] close(21 [pid 4730] <... futex resumed>) = 0 [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4727] close(28 [pid 4731] <... bpf resumed>) = 0 [pid 4730] <... mmap resumed>) = 0x7fba2fe76000 [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4731] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4730] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4727] close(29 [pid 4731] <... futex resumed>) = 0 [pid 4730] <... mprotect resumed>) = 0 [pid 4727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4731] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4730] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4727] exit_group(0 [pid 4722] close(22 [pid 4730] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4729] <... futex resumed>) = ? [pid 4728] <... futex resumed>) = ? [pid 4727] <... exit_group resumed>) = ? [pid 4730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4729] +++ exited with 0 +++ [pid 4728] +++ exited with 0 +++ [pid 4727] +++ exited with 0 +++ [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4732 attached [pid 4722] close(23 [pid 4732] set_robust_list(0x7fba2fe969a0, 24 [pid 4730] <... clone3 resumed> => {parent_tid=[13569]}, 88) = 13569 [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4732] <... set_robust_list resumed>) = 0 [pid 4730] rt_sigprocmask(SIG_SETMASK, [], [pid 4722] close(24 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4732] rt_sigprocmask(SIG_SETMASK, [], [pid 4730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4730] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] umount2("./4668", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4732] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4730] <... futex resumed>) = 0 [pid 4722] close(25 [pid 4730] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] openat(AT_FDCWD, "./4668", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4732] <... bpf resumed>) = 4 [pid 4722] close(26 [pid 300] <... openat resumed>) = 3 [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4732] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4722] close(27 [pid 300] newfstatat(3, "", [pid 4732] <... futex resumed>) = 1 [pid 4730] <... futex resumed>) = 0 [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4732] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4730] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4722] close(28 [pid 4731] <... futex resumed>) = 0 [pid 4730] <... futex resumed>) = 1 [pid 4722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] getdents64(3, [pid 4731] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4730] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4722] close(29) = -1 EBADF (Bad file descriptor) [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4722] exit_group(0 [pid 300] umount2("./4668/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4725] <... futex resumed>) = ? [pid 4722] <... exit_group resumed>) = ? [pid 4725] +++ exited with 0 +++ [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4722] +++ exited with 0 +++ [pid 300] newfstatat(AT_FDCWD, "./4668/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13932, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] unlink("./4668/cgroup.cpu" [pid 302] restart_syscall(<... resuming interrupted clone ...> [pid 300] <... unlink resumed>) = 0 [pid 302] <... restart_syscall resumed>) = 0 [pid 300] umount2("./4668/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] umount2("./4742", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] newfstatat(AT_FDCWD, "./4668/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] unlink("./4668/binderfs" [pid 302] openat(AT_FDCWD, "./4742", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] <... unlink resumed>) = 0 [pid 302] <... openat resumed>) = 3 [pid 300] umount2("./4668/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] newfstatat(3, "", [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] newfstatat(AT_FDCWD, "./4668/cgroup", [pid 302] getdents64(3, [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] unlink("./4668/cgroup" [pid 302] umount2("./4742/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] <... unlink resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4742/cgroup.cpu", [pid 300] umount2("./4668/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4742/cgroup.cpu" [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... unlink resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4668/cgroup.net", [pid 302] umount2("./4742/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] unlink("./4668/cgroup.net" [pid 302] newfstatat(AT_FDCWD, "./4742/binderfs", [pid 300] <... unlink resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] getdents64(3, [pid 302] unlink("./4742/binderfs" [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] close(3 [pid 302] umount2("./4742/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... close resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] rmdir("./4668" [pid 302] newfstatat(AT_FDCWD, "./4742/cgroup", [pid 300] <... rmdir resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] mkdir("./4669", 0777 [pid 302] unlink("./4742/cgroup" [pid 300] <... mkdir resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] umount2("./4742/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4733 attached ) = -1 EINVAL (Invalid argument) [pid 4733] set_robust_list(0x5555557fd6a0, 24 [pid 302] newfstatat(AT_FDCWD, "./4742/cgroup.net", [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13716 [pid 4733] <... set_robust_list resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4733] chdir("./4669") = 0 [pid 4733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 302] unlink("./4742/cgroup.net" [pid 4733] <... prctl resumed>) = 0 [pid 4733] setpgid(0, 0) = 0 [pid 4733] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 302] <... unlink resumed>) = 0 [pid 4733] <... symlink resumed>) = 0 [pid 4733] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 302] getdents64(3, [pid 4733] <... symlink resumed>) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4733] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 302] close(3 [pid 4733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 302] <... close resumed>) = 0 [pid 4733] <... openat resumed>) = 3 [pid 302] rmdir("./4742" [pid 4733] write(3, "1000", 4 [pid 4721] <... close resumed>) = 0 [pid 4720] <... close resumed>) = 0 [pid 4733] <... write resumed>) = 4 [pid 4721] close(6 [pid 4720] close(6 [pid 302] <... rmdir resumed>) = 0 [pid 4733] close(3 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] mkdir("./4743", 0777 [pid 4733] <... close resumed>) = 0 [pid 4721] close(7 [pid 4720] close(7 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4721] close(8 [pid 4720] close(8 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4721] close(9 [pid 4720] close(9 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... mkdir resumed>) = 0 [pid 4733] symlink("/dev/binderfs", "./binderfs" [pid 4721] close(10 [pid 4720] close(10 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4721] close(11 [pid 4720] close(11 [pid 4733] <... symlink resumed>) = 0 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4721] close(12 [pid 4720] close(12 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4721] close(13 [pid 4720] close(13 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4721] close(14 [pid 4720] close(14./strace-static-x86_64: Process 4734 attached [pid 4733] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] set_robust_list(0x5555557fd6a0, 24 [pid 4733] <... futex resumed>) = 0 [pid 4721] close(15 [pid 4720] close(15 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13934 [pid 4734] <... set_robust_list resumed>) = 0 [pid 4733] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] chdir("./4743" [pid 4733] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4721] close(16 [pid 4720] close(16 [pid 4734] <... chdir resumed>) = 0 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4721] close(17 [pid 4720] close(17 [pid 4734] <... prctl resumed>) = 0 [pid 4733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] setpgid(0, 0 [pid 4733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4721] close(18 [pid 4720] close(18 [pid 4734] <... setpgid resumed>) = 0 [pid 4733] <... mmap resumed>) = 0x7fba2fe97000 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4733] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4721] close(19 [pid 4720] close(19 [pid 4734] <... symlink resumed>) = 0 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4733] <... mprotect resumed>) = 0 [pid 4721] close(20 [pid 4720] close(20 [pid 4734] <... symlink resumed>) = 0 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4721] close(21 [pid 4720] close(21 [pid 4734] <... symlink resumed>) = 0 [pid 4733] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4733] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4721] close(22 [pid 4720] close(22 [pid 4734] <... openat resumed>) = 3 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] write(3, "1000", 4 [pid 4733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4721] close(23 [pid 4720] close(23 [pid 4734] <... write resumed>) = 4 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] close(3 [pid 4721] close(24 [pid 4720] close(24./strace-static-x86_64: Process 4735 attached [pid 4734] <... close resumed>) = 0 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4735] set_robust_list(0x7fba2feb79a0, 24 [pid 4734] symlink("/dev/binderfs", "./binderfs" [pid 4733] <... clone3 resumed> => {parent_tid=[13717]}, 88) = 13717 [pid 4721] close(25 [pid 4720] close(25 [pid 4735] <... set_robust_list resumed>) = 0 [pid 4734] <... symlink resumed>) = 0 [pid 4733] rt_sigprocmask(SIG_SETMASK, [], [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4735] rt_sigprocmask(SIG_SETMASK, [], [pid 4734] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4721] close(26 [pid 4720] close(26 [pid 4735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4734] <... futex resumed>) = 0 [pid 4733] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4735] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4734] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4733] <... futex resumed>) = 0 [pid 4721] close(27 [pid 4720] close(27 [pid 4735] <... bpf resumed>) = 3 [pid 4734] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4733] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4735] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4734] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4721] close(28 [pid 4720] close(28 [pid 4735] <... futex resumed>) = 0 [pid 4734] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4735] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4733] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4721] close(29 [pid 4720] close(29 [pid 4735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4734] <... mmap resumed>) = 0x7fba2fe97000 [pid 4721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4735] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4734] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4733] <... futex resumed>) = 0 [pid 4721] exit_group(0 [pid 4720] exit_group(0 [pid 4735] <... bpf resumed>) = 0 [pid 4734] <... mprotect resumed>) = 0 [pid 4733] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4726] <... futex resumed>) = ? [pid 4724] <... futex resumed>) = ? [pid 4723] <... futex resumed>) = ? [pid 4721] <... exit_group resumed>) = ? [pid 4720] <... exit_group resumed>) = ? [pid 4735] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4734] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4733] <... futex resumed>) = 0 [pid 4726] +++ exited with 0 +++ [pid 4724] +++ exited with 0 +++ [pid 4723] +++ exited with 0 +++ [pid 4721] +++ exited with 0 +++ [pid 4735] <... futex resumed>) = 0 [pid 4734] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4720] +++ exited with 0 +++ [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13839, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4735] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4734] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4733] <... mmap resumed>) = 0x7fba2fe76000 ./strace-static-x86_64: Process 4736 attached [pid 4733] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13997, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4736] set_robust_list(0x7fba2feb79a0, 24 [pid 4734] <... clone3 resumed> => {parent_tid=[13935]}, 88) = 13935 [pid 4733] <... mprotect resumed>) = 0 [pid 303] umount2("./4774", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4721", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4736] <... set_robust_list resumed>) = 0 [pid 4734] rt_sigprocmask(SIG_SETMASK, [], [pid 4733] rt_sigprocmask(SIG_BLOCK, ~[], [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4736] rt_sigprocmask(SIG_SETMASK, [], [pid 4734] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4733] <... rt_sigprocmask resumed>[], 8) = 0 [pid 303] openat(AT_FDCWD, "./4774", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] openat(AT_FDCWD, "./4721", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4734] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 303] <... openat resumed>) = 3 [pid 301] <... openat resumed>) = 3 ./strace-static-x86_64: Process 4737 attached [pid 4736] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4734] <... futex resumed>) = 0 [pid 303] newfstatat(3, "", [pid 301] newfstatat(3, "", [pid 4737] set_robust_list(0x7fba2fe969a0, 24 [pid 4736] <... bpf resumed>) = 3 [pid 4734] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4733] <... clone3 resumed> => {parent_tid=[13718]}, 88) = 13718 [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4737] <... set_robust_list resumed>) = 0 [pid 4736] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4733] rt_sigprocmask(SIG_SETMASK, [], [pid 303] getdents64(3, [pid 301] getdents64(3, [pid 4737] rt_sigprocmask(SIG_SETMASK, [], [pid 4736] <... futex resumed>) = 0 [pid 4734] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4736] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4734] <... futex resumed>) = 0 [pid 4733] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] umount2("./4774/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4721/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4737] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4736] <... bpf resumed>) = 0 [pid 4734] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4733] <... futex resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4774/cgroup.cpu", [pid 301] newfstatat(AT_FDCWD, "./4721/cgroup.cpu", [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4733] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4737] <... bpf resumed>) = 4 [pid 303] unlink("./4774/cgroup.cpu" [pid 301] unlink("./4721/cgroup.cpu" [pid 4737] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4736] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4734] <... futex resumed>) = 0 [pid 303] <... unlink resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 4737] <... futex resumed>) = 1 [pid 4736] <... futex resumed>) = 0 [pid 4734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4733] <... futex resumed>) = 0 [pid 303] umount2("./4774/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4721/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4737] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4736] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4734] <... mmap resumed>) = 0x7fba2fe76000 [pid 4733] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4735] <... futex resumed>) = 0 [pid 4734] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4733] <... futex resumed>) = 1 [pid 303] newfstatat(AT_FDCWD, "./4774/binderfs", [pid 301] newfstatat(AT_FDCWD, "./4721/binderfs", [pid 4735] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4734] <... mprotect resumed>) = 0 [pid 4733] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4734] rt_sigprocmask(SIG_BLOCK, ~[], [pid 303] unlink("./4774/binderfs" [pid 301] unlink("./4721/binderfs" [pid 4734] <... rt_sigprocmask resumed>[], 8) = 0 [pid 303] <... unlink resumed>) = 0 [pid 303] umount2("./4774/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 301] <... unlink resumed>) = 0 [pid 4734] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 303] newfstatat(AT_FDCWD, "./4774/cgroup", [pid 301] umount2("./4721/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 4738 attached [pid 303] unlink("./4774/cgroup" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4738] set_robust_list(0x7fba2fe969a0, 24 [pid 4734] <... clone3 resumed> => {parent_tid=[13936]}, 88) = 13936 [pid 303] <... unlink resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4721/cgroup", [pid 4738] <... set_robust_list resumed>) = 0 [pid 4734] rt_sigprocmask(SIG_SETMASK, [], [pid 303] umount2("./4774/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4738] rt_sigprocmask(SIG_SETMASK, [], [pid 4734] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] unlink("./4721/cgroup" [pid 4738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4734] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] newfstatat(AT_FDCWD, "./4774/cgroup.net", [pid 4738] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4734] <... futex resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 4738] <... bpf resumed>) = 4 [pid 4734] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] unlink("./4774/cgroup.net" [pid 301] umount2("./4721/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4738] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... unlink resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4738] <... futex resumed>) = 1 [pid 4735] <... bpf resumed>) = 5 [pid 4734] <... futex resumed>) = 0 [pid 4731] <... bpf resumed>) = 5 [pid 303] getdents64(3, [pid 301] newfstatat(AT_FDCWD, "./4721/cgroup.net", [pid 4738] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4735] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4734] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4731] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4736] <... futex resumed>) = 0 [pid 4735] <... futex resumed>) = 1 [pid 4734] <... futex resumed>) = 1 [pid 4733] <... futex resumed>) = 0 [pid 4731] <... futex resumed>) = 1 [pid 4730] <... futex resumed>) = 0 [pid 303] close(3 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4736] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4735] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4734] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4733] close(3 [pid 4731] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4730] close(3 [pid 303] <... close resumed>) = 0 [pid 301] unlink("./4721/cgroup.net" [pid 4736] <... bpf resumed>) = 5 [pid 4733] <... close resumed>) = 0 [pid 4730] <... close resumed>) = 0 [pid 303] rmdir("./4774") = 0 [pid 303] mkdir("./4775", 0777 [pid 4736] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4733] close(4 [pid 4730] close(4 [pid 303] <... mkdir resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 4736] <... futex resumed>) = 1 [pid 4734] <... futex resumed>) = 0 [pid 4733] <... close resumed>) = 0 [pid 4730] <... close resumed>) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 301] getdents64(3, ./strace-static-x86_64: Process 4739 attached [pid 4736] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4734] close(3 [pid 4733] close(5 [pid 4730] close(5 [pid 4734] <... close resumed>) = 0 [pid 4733] <... close resumed>) = 0 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 14000 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4739] set_robust_list(0x5555557fd6a0, 24 [pid 4734] close(4 [pid 4733] close(6 [pid 4739] <... set_robust_list resumed>) = 0 [pid 4734] <... close resumed>) = 0 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] close(3 [pid 4739] chdir("./4775" [pid 4733] close(7 [pid 4734] close(5 [pid 4739] <... chdir resumed>) = 0 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... close resumed>) = 0 [pid 4739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4733] close(8 [pid 301] rmdir("./4721" [pid 4739] <... prctl resumed>) = 0 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] setpgid(0, 0 [pid 4733] close(9 [pid 301] <... rmdir resumed>) = 0 [pid 4739] <... setpgid resumed>) = 0 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] mkdir("./4722", 0777 [pid 4739] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4733] close(10 [pid 301] <... mkdir resumed>) = 0 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] <... symlink resumed>) = 0 [pid 4733] close(11 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4739] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4740 attached [pid 4733] close(12 [pid 4740] set_robust_list(0x5555557fd6a0, 24 [pid 4739] <... symlink resumed>) = 0 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... set_robust_list resumed>) = 0 [pid 4739] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4733] close(13 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13841 [pid 4740] chdir("./4722") = 0 [pid 4740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4739] <... symlink resumed>) = 0 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... prctl resumed>) = 0 [pid 4739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4733] close(14 [pid 4740] setpgid(0, 0) = 0 [pid 4739] <... openat resumed>) = 3 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4739] write(3, "1000", 4 [pid 4733] close(15 [pid 4740] <... symlink resumed>) = 0 [pid 4739] <... write resumed>) = 4 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4739] close(3 [pid 4733] close(16 [pid 4740] <... symlink resumed>) = 0 [pid 4740] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4739] <... close resumed>) = 0 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... symlink resumed>) = 0 [pid 4739] symlink("/dev/binderfs", "./binderfs" [pid 4733] close(17 [pid 4740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4739] <... symlink resumed>) = 0 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] write(3, "1000", 4 [pid 4739] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4733] close(18 [pid 4740] <... write resumed>) = 4 [pid 4739] <... futex resumed>) = 0 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] close(3 [pid 4739] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4733] close(19 [pid 4740] <... close resumed>) = 0 [pid 4739] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] symlink("/dev/binderfs", "./binderfs" [pid 4739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4733] close(20 [pid 4740] <... symlink resumed>) = 0 [pid 4739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4733] close(21 [pid 4740] <... futex resumed>) = 0 [pid 4740] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4739] <... mmap resumed>) = 0x7fba2fe97000 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4740] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4739] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4733] close(22 [pid 4740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4739] <... mprotect resumed>) = 0 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4740] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4739] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4733] close(23 [pid 4740] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4739] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4733] close(24./strace-static-x86_64: Process 4741 attached ./strace-static-x86_64: Process 4742 attached [pid 4741] set_robust_list(0x7fba2feb79a0, 24 [pid 4740] <... clone3 resumed> => {parent_tid=[13842]}, 88) = 13842 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4742] set_robust_list(0x7fba2feb79a0, 24 [pid 4741] <... set_robust_list resumed>) = 0 [pid 4740] rt_sigprocmask(SIG_SETMASK, [], [pid 4739] <... clone3 resumed> => {parent_tid=[14001]}, 88) = 14001 [pid 4733] close(25 [pid 4742] <... set_robust_list resumed>) = 0 [pid 4741] rt_sigprocmask(SIG_SETMASK, [], [pid 4740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4739] rt_sigprocmask(SIG_SETMASK, [], [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4742] rt_sigprocmask(SIG_SETMASK, [], [pid 4741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4740] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4733] close(26 [pid 4742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4741] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4742] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4741] <... bpf resumed>) = 3 [pid 4740] <... futex resumed>) = 0 [pid 4739] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4742] <... bpf resumed>) = 3 [pid 4741] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4740] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4739] <... futex resumed>) = 0 [pid 4733] close(27 [pid 4742] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4741] <... futex resumed>) = 0 [pid 4740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4739] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4742] <... futex resumed>) = 0 [pid 4741] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4740] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4733] close(28 [pid 4742] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4740] <... futex resumed>) = 0 [pid 4739] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4741] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4740] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] <... futex resumed>) = 0 [pid 4733] close(29 [pid 4742] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4741] <... bpf resumed>) = 0 [pid 4740] <... futex resumed>) = 0 [pid 4739] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4741] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4742] <... bpf resumed>) = 0 [pid 4741] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4742] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4740] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4739] <... futex resumed>) = 0 [pid 4733] exit_group(0 [pid 4742] <... futex resumed>) = 0 [pid 4740] <... mmap resumed>) = 0x7fba2fe76000 [pid 4739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4735] <... futex resumed>) = 9 [pid 4742] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4740] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4739] <... mmap resumed>) = 0x7fba2fe76000 [pid 4737] <... futex resumed>) = ? [pid 4733] <... exit_group resumed>) = ? [pid 4740] <... mprotect resumed>) = 0 [pid 4735] +++ exited with 0 +++ [pid 4737] +++ exited with 0 +++ [pid 4733] +++ exited with 0 +++ [pid 4740] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4739] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4740] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4739] <... mprotect resumed>) = 0 [pid 4740] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4739] rt_sigprocmask(SIG_BLOCK, ~[], [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 4743 attached [pid 4739] <... rt_sigprocmask resumed>[], 8) = 0 [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 4743] set_robust_list(0x7fba2fe969a0, 24 [pid 4740] <... clone3 resumed> => {parent_tid=[13843]}, 88) = 13843 [pid 4739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4743] <... set_robust_list resumed>) = 0 [pid 4740] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 4744 attached [pid 4743] rt_sigprocmask(SIG_SETMASK, [], [pid 4740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 300] <... restart_syscall resumed>) = 0 [pid 4744] set_robust_list(0x7fba2fe969a0, 24 [pid 4743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4740] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] <... clone3 resumed> => {parent_tid=[14002]}, 88) = 14002 [pid 4744] <... set_robust_list resumed>) = 0 [pid 4743] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4740] <... futex resumed>) = 0 [pid 4739] rt_sigprocmask(SIG_SETMASK, [], [pid 4744] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4740] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4744] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4743] <... bpf resumed>) = 4 [pid 4739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4743] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] umount2("./4669", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4744] <... futex resumed>) = 0 [pid 4743] <... futex resumed>) = 1 [pid 4740] <... futex resumed>) = 0 [pid 4739] <... futex resumed>) = 1 [pid 4744] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4743] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4740] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4739] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4744] <... bpf resumed>) = 4 [pid 4740] <... futex resumed>) = 1 [pid 4741] <... futex resumed>) = 0 [pid 300] openat(AT_FDCWD, "./4669", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4744] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4741] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4740] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4744] <... futex resumed>) = 1 [pid 4739] <... futex resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 4744] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4739] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] newfstatat(3, "", [pid 4742] <... futex resumed>) = 0 [pid 4739] <... futex resumed>) = 1 [pid 4742] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4739] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] umount2("./4669/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4669/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4669/cgroup.cpu") = 0 [pid 300] umount2("./4669/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4669/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4669/binderfs") = 0 [pid 300] umount2("./4669/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4669/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4669/cgroup") = 0 [pid 300] umount2("./4669/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4669/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4669/cgroup.net") = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] close(3) = 0 [pid 300] rmdir("./4669") = 0 [pid 300] mkdir("./4670", 0777) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4745 attached [pid 4745] set_robust_list(0x5555557fd6a0, 24 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13719 [pid 4745] <... set_robust_list resumed>) = 0 [pid 4745] chdir("./4670") = 0 [pid 4745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4745] setpgid(0, 0) = 0 [pid 4745] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4745] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4745] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4745] write(3, "1000", 4) = 4 [pid 4745] close(3) = 0 [pid 4745] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4745] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4745] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4745] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4745] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4745] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4745] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4746 attached [pid 4746] set_robust_list(0x7fba2feb79a0, 24 [pid 4745] <... clone3 resumed> => {parent_tid=[13720]}, 88) = 13720 [pid 4746] <... set_robust_list resumed>) = 0 [pid 4745] rt_sigprocmask(SIG_SETMASK, [], [pid 4746] rt_sigprocmask(SIG_SETMASK, [], [pid 4745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4745] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4746] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4745] <... futex resumed>) = 0 [pid 4746] <... bpf resumed>) = 3 [pid 4746] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4745] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4746] <... futex resumed>) = 0 [pid 4746] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4745] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4746] <... futex resumed>) = 0 [pid 4745] <... futex resumed>) = 1 [pid 4746] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4745] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4734] <... close resumed>) = 0 [pid 4730] <... close resumed>) = 0 [pid 4746] <... bpf resumed>) = 0 [pid 4745] <... futex resumed>) = 0 [pid 4734] close(6 [pid 4730] close(6 [pid 4746] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4746] <... futex resumed>) = 0 [pid 4745] <... mmap resumed>) = 0x7fba2fe76000 [pid 4734] close(7 [pid 4730] close(7 [pid 4746] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4745] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4745] <... mprotect resumed>) = 0 [pid 4734] close(8 [pid 4730] close(8 [pid 4745] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4745] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4734] close(9 [pid 4730] close(9 [pid 4745] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] close(10 [pid 4730] close(10./strace-static-x86_64: Process 4747 attached [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4747] set_robust_list(0x7fba2fe969a0, 24 [pid 4745] <... clone3 resumed> => {parent_tid=[13721]}, 88) = 13721 [pid 4734] close(11 [pid 4730] close(11 [pid 4747] <... set_robust_list resumed>) = 0 [pid 4745] rt_sigprocmask(SIG_SETMASK, [], [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4747] rt_sigprocmask(SIG_SETMASK, [], [pid 4745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4734] close(12 [pid 4730] close(12 [pid 4747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4745] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4747] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4745] <... futex resumed>) = 0 [pid 4734] close(13 [pid 4730] close(13 [pid 4747] <... bpf resumed>) = 4 [pid 4745] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4747] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4734] close(14 [pid 4730] close(14 [pid 4747] <... futex resumed>) = 0 [pid 4745] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4747] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4746] <... futex resumed>) = 0 [pid 4745] <... futex resumed>) = 1 [pid 4734] close(15 [pid 4730] close(15 [pid 4746] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4745] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] close(16 [pid 4730] close(16 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] close(17 [pid 4730] close(17 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] close(18 [pid 4730] close(18 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] close(19 [pid 4730] close(19 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] close(20 [pid 4730] close(20 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] close(21 [pid 4730] close(21 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] close(22 [pid 4730] close(22 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] close(23 [pid 4730] close(23 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] close(24 [pid 4730] close(24 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] close(25 [pid 4730] close(25 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] close(26 [pid 4730] close(26 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] close(27 [pid 4730] close(27 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] close(28 [pid 4730] close(28 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] close(29 [pid 4730] close(29 [pid 4734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4734] exit_group(0 [pid 4730] exit_group(0 [pid 4738] <... futex resumed>) = ? [pid 4736] <... futex resumed>) = ? [pid 4734] <... exit_group resumed>) = ? [pid 4732] <... futex resumed>) = ? [pid 4731] <... futex resumed>) = ? [pid 4730] <... exit_group resumed>) = ? [pid 4738] +++ exited with 0 +++ [pid 4736] +++ exited with 0 +++ [pid 4734] +++ exited with 0 +++ [pid 4732] +++ exited with 0 +++ [pid 4731] +++ exited with 0 +++ [pid 4730] +++ exited with 0 +++ [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13934, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 302] umount2("./4743", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] openat(AT_FDCWD, "./4743", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] umount2("./4632", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... openat resumed>) = 3 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(3, "", [pid 299] openat(AT_FDCWD, "./4632", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... openat resumed>) = 3 [pid 302] getdents64(3, [pid 299] newfstatat(3, "", [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] umount2("./4743/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] getdents64(3, [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] newfstatat(AT_FDCWD, "./4743/cgroup.cpu", [pid 299] umount2("./4632/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4743/cgroup.cpu" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... unlink resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4632/cgroup.cpu", [pid 302] umount2("./4743/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4632/cgroup.cpu" [pid 302] newfstatat(AT_FDCWD, "./4743/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... unlink resumed>) = 0 [pid 302] unlink("./4743/binderfs" [pid 299] umount2("./4632/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... unlink resumed>) = 0 [pid 302] umount2("./4743/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4632/binderfs", [pid 302] newfstatat(AT_FDCWD, "./4743/cgroup", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4632/binderfs" [pid 302] unlink("./4743/cgroup" [pid 299] <... unlink resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 299] umount2("./4632/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4743/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4632/cgroup", [pid 302] newfstatat(AT_FDCWD, "./4743/cgroup.net", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4632/cgroup" [pid 302] unlink("./4743/cgroup.net" [pid 299] <... unlink resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 299] umount2("./4632/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] getdents64(3, [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] newfstatat(AT_FDCWD, "./4632/cgroup.net", [pid 302] close(3 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... close resumed>) = 0 [pid 299] unlink("./4632/cgroup.net" [pid 302] rmdir("./4743" [pid 299] <... unlink resumed>) = 0 [pid 302] <... rmdir resumed>) = 0 [pid 299] getdents64(3, [pid 302] mkdir("./4744", 0777 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] <... mkdir resumed>) = 0 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] close(3./strace-static-x86_64: Process 4748 attached ) = 0 [pid 4748] set_robust_list(0x5555557fd6a0, 24 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13937 [pid 299] rmdir("./4632" [pid 4748] <... set_robust_list resumed>) = 0 [pid 4748] chdir("./4744" [pid 299] <... rmdir resumed>) = 0 [pid 4748] <... chdir resumed>) = 0 [pid 299] mkdir("./4633", 0777 [pid 4748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4748] setpgid(0, 0) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 4748] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4748] <... symlink resumed>) = 0 [pid 4748] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 4748] symlink("/syzcgroup/net/syz3", "./cgroup.net"./strace-static-x86_64: Process 4749 attached ) = 0 [pid 4749] set_robust_list(0x5555557fd6a0, 24 [pid 4748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13570 [pid 4749] <... set_robust_list resumed>) = 0 [pid 4748] <... openat resumed>) = 3 [pid 4748] write(3, "1000", 4 [pid 4749] chdir("./4633" [pid 4748] <... write resumed>) = 4 [pid 4749] <... chdir resumed>) = 0 [pid 4748] close(3 [pid 4749] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4748] <... close resumed>) = 0 [pid 4749] <... prctl resumed>) = 0 [pid 4748] symlink("/dev/binderfs", "./binderfs" [pid 4749] setpgid(0, 0 [pid 4748] <... symlink resumed>) = 0 [pid 4749] <... setpgid resumed>) = 0 [pid 4748] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4748] <... futex resumed>) = 0 [pid 4749] <... symlink resumed>) = 0 [pid 4748] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4749] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4748] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4748] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4746] <... bpf resumed>) = 5 [pid 4742] <... bpf resumed>) = 5 [pid 4741] <... bpf resumed>) = 5 [pid 4749] <... symlink resumed>) = 0 [pid 4748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4746] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4742] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4741] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4746] <... futex resumed>) = 1 [pid 4745] <... futex resumed>) = 0 [pid 4742] <... futex resumed>) = 1 [pid 4741] <... futex resumed>) = 1 [pid 4740] <... futex resumed>) = 0 [pid 4739] <... futex resumed>) = 0 [pid 4749] <... symlink resumed>) = 0 [pid 4748] <... mmap resumed>) = 0x7fba2fe97000 [pid 4746] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4745] close(3 [pid 4742] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4741] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4740] close(3 [pid 4739] close(3 [pid 4749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4748] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4745] <... close resumed>) = 0 [pid 4740] <... close resumed>) = 0 [pid 4748] <... mprotect resumed>) = 0 [pid 4745] close(4 [pid 4739] <... close resumed>) = 0 [pid 4749] <... openat resumed>) = 3 [pid 4748] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4745] <... close resumed>) = 0 [pid 4740] close(4 [pid 4739] close(4 [pid 4749] write(3, "1000", 4 [pid 4748] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4745] close(5 [pid 4740] <... close resumed>) = 0 [pid 4739] <... close resumed>) = 0 [pid 4749] <... write resumed>) = 4 [pid 4748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4745] <... close resumed>) = 0 [pid 4740] close(5 [pid 4739] close(5./strace-static-x86_64: Process 4750 attached [pid 4749] close(3 [pid 4745] close(6 [pid 4750] set_robust_list(0x7fba2feb79a0, 24 [pid 4749] <... close resumed>) = 0 [pid 4748] <... clone3 resumed> => {parent_tid=[13938]}, 88) = 13938 [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4750] <... set_robust_list resumed>) = 0 [pid 4749] symlink("/dev/binderfs", "./binderfs" [pid 4748] rt_sigprocmask(SIG_SETMASK, [], [pid 4745] close(7 [pid 4750] rt_sigprocmask(SIG_SETMASK, [], [pid 4749] <... symlink resumed>) = 0 [pid 4748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4749] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4748] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4745] close(8 [pid 4750] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4749] <... futex resumed>) = 0 [pid 4748] <... futex resumed>) = 0 [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4750] <... bpf resumed>) = 3 [pid 4749] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4748] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4745] close(9 [pid 4750] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4750] <... futex resumed>) = 0 [pid 4749] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4748] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4745] close(10 [pid 4750] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4748] <... futex resumed>) = 0 [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4745] close(11 [pid 4750] <... bpf resumed>) = 0 [pid 4749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4748] <... futex resumed>) = 0 [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4750] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] <... mmap resumed>) = 0x7fba2fe97000 [pid 4748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4745] close(12 [pid 4750] <... futex resumed>) = 0 [pid 4749] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4748] <... mmap resumed>) = 0x7fba2fe76000 [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4750] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4749] <... mprotect resumed>) = 0 [pid 4748] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4745] close(13 [pid 4748] <... mprotect resumed>) = 0 [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4749] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4748] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4745] close(14 [pid 4749] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4748] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4749] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4745] close(15./strace-static-x86_64: Process 4752 attached ./strace-static-x86_64: Process 4751 attached ) = -1 EBADF (Bad file descriptor) [pid 4752] set_robust_list(0x7fba2fe969a0, 24 [pid 4751] set_robust_list(0x7fba2feb79a0, 24 [pid 4749] <... clone3 resumed> => {parent_tid=[13571]}, 88) = 13571 [pid 4748] <... clone3 resumed> => {parent_tid=[13939]}, 88) = 13939 [pid 4745] close(16 [pid 4752] <... set_robust_list resumed>) = 0 [pid 4751] <... set_robust_list resumed>) = 0 [pid 4749] rt_sigprocmask(SIG_SETMASK, [], [pid 4748] rt_sigprocmask(SIG_SETMASK, [], [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4752] rt_sigprocmask(SIG_SETMASK, [], [pid 4751] rt_sigprocmask(SIG_SETMASK, [], [pid 4749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4745] close(17 [pid 4752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4749] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4748] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4752] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4751] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4749] <... futex resumed>) = 0 [pid 4748] <... futex resumed>) = 0 [pid 4745] close(18 [pid 4748] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4745] close(19) = -1 EBADF (Bad file descriptor) [pid 4745] close(20) = -1 EBADF (Bad file descriptor) [pid 4745] close(21) = -1 EBADF (Bad file descriptor) [pid 4745] close(22 [pid 4752] <... bpf resumed>) = 4 [pid 4749] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4752] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4751] <... bpf resumed>) = 3 [pid 4745] close(23 [pid 4752] <... futex resumed>) = 1 [pid 4751] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4748] <... futex resumed>) = 0 [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4752] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4751] <... futex resumed>) = 1 [pid 4749] <... futex resumed>) = 0 [pid 4748] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4745] close(24 [pid 4751] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4750] <... futex resumed>) = 0 [pid 4749] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4748] <... futex resumed>) = 1 [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4750] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4749] <... futex resumed>) = 0 [pid 4748] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4745] close(25 [pid 4751] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4749] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4749] <... futex resumed>) = 0 [pid 4745] close(26 [pid 4749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4749] <... mmap resumed>) = 0x7fba2fe76000 [pid 4745] close(27 [pid 4751] <... bpf resumed>) = 0 [pid 4749] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4751] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] <... mprotect resumed>) = 0 [pid 4745] close(28 [pid 4751] <... futex resumed>) = 0 [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4751] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4749] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4745] close(29 [pid 4749] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4749] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4745] exit_group(0 [pid 4747] <... futex resumed>) = ? [pid 4746] <... futex resumed>) = ? [pid 4745] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 4753 attached [pid 4747] +++ exited with 0 +++ [pid 4746] +++ exited with 0 +++ [pid 4745] +++ exited with 0 +++ [pid 4753] set_robust_list(0x7fba2fe969a0, 24 [pid 4749] <... clone3 resumed> => {parent_tid=[13572]}, 88) = 13572 [pid 4753] <... set_robust_list resumed>) = 0 [pid 4749] rt_sigprocmask(SIG_SETMASK, [], [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4753] rt_sigprocmask(SIG_SETMASK, [], [pid 4749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 4753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4749] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4753] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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) = 4 [pid 4749] <... futex resumed>) = 0 [pid 300] <... restart_syscall resumed>) = 0 [pid 4749] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4753] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4749] <... futex resumed>) = 0 [pid 4753] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4749] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] umount2("./4670", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4751] <... futex resumed>) = 0 [pid 4749] <... futex resumed>) = 1 [pid 4751] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4749] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] openat(AT_FDCWD, "./4670", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 300] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] umount2("./4670/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4670/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4670/cgroup.cpu") = 0 [pid 300] umount2("./4670/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4670/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4670/binderfs") = 0 [pid 300] umount2("./4670/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4670/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4670/cgroup") = 0 [pid 300] umount2("./4670/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4670/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4670/cgroup.net") = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] close(3) = 0 [pid 300] rmdir("./4670") = 0 [pid 300] mkdir("./4671", 0777) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4754 attached [pid 4754] set_robust_list(0x5555557fd6a0, 24 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13722 [pid 4754] <... set_robust_list resumed>) = 0 [pid 4754] chdir("./4671") = 0 [pid 4754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4754] setpgid(0, 0) = 0 [pid 4754] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4754] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4754] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4754] write(3, "1000", 4) = 4 [pid 4754] close(3) = 0 [pid 4754] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4754] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4754] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4754] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4754] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4754] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4755 attached [pid 4755] set_robust_list(0x7fba2feb79a0, 24) = 0 [pid 4755] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4754] <... clone3 resumed> => {parent_tid=[13723]}, 88) = 13723 [pid 4755] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4754] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4754] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4755] <... futex resumed>) = 0 [pid 4754] <... futex resumed>) = 1 [pid 4755] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=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 4754] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4755] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4755] <... futex resumed>) = 0 [pid 4754] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4755] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4754] <... futex resumed>) = 0 [pid 4755] <... bpf resumed>) = 0 [pid 4754] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4755] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4754] <... futex resumed>) = 0 [pid 4755] <... futex resumed>) = 0 [pid 4754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4755] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4754] <... mmap resumed>) = 0x7fba2fe76000 [pid 4754] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4754] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4756 attached => {parent_tid=[13724]}, 88) = 13724 [pid 4756] set_robust_list(0x7fba2fe969a0, 24 [pid 4754] rt_sigprocmask(SIG_SETMASK, [], [pid 4756] <... set_robust_list resumed>) = 0 [pid 4754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4756] rt_sigprocmask(SIG_SETMASK, [], [pid 4754] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4754] <... futex resumed>) = 0 [pid 4756] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4754] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4756] <... bpf resumed>) = 4 [pid 4756] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4754] <... futex resumed>) = 0 [pid 4754] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4756] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4755] <... futex resumed>) = 0 [pid 4754] <... futex resumed>) = 1 [pid 4755] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4754] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4740] <... close resumed>) = 0 [pid 4739] <... close resumed>) = 0 [pid 4740] close(6 [pid 4739] close(6 [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] close(7 [pid 4739] close(7 [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] close(8 [pid 4739] close(8 [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] close(9 [pid 4739] close(9 [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] close(10 [pid 4739] close(10 [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] close(11 [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] close(11 [pid 4740] close(12 [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] close(12 [pid 4740] close(13 [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] close(13 [pid 4740] close(14 [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] close(14 [pid 4740] close(15 [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] close(15 [pid 4740] close(16 [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] close(16 [pid 4740] close(17 [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] close(17 [pid 4740] close(18 [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] close(18 [pid 4740] close(19) = -1 EBADF (Bad file descriptor) [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] close(20) = -1 EBADF (Bad file descriptor) [pid 4739] close(19 [pid 4740] close(21 [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] close(20 [pid 4740] close(22 [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] close(21 [pid 4740] close(23 [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] close(22 [pid 4740] close(24 [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] close(23 [pid 4740] close(25 [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] close(24 [pid 4740] close(26) = -1 EBADF (Bad file descriptor) [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] close(27 [pid 4739] close(25 [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] close(28 [pid 4739] close(26 [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] close(29 [pid 4739] close(27 [pid 4740] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4740] exit_group(0 [pid 4739] close(28 [pid 4743] <... futex resumed>) = ? [pid 4741] <... futex resumed>) = ? [pid 4740] <... exit_group resumed>) = ? [pid 4739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4743] +++ exited with 0 +++ [pid 4741] +++ exited with 0 +++ [pid 4740] +++ exited with 0 +++ [pid 4739] close(29) = -1 EBADF (Bad file descriptor) [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13841, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4739] exit_group(0 [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 4742] <... futex resumed>) = ? [pid 4739] <... exit_group resumed>) = ? [pid 4744] <... futex resumed>) = 230 [pid 4742] +++ exited with 0 +++ [pid 301] <... restart_syscall resumed>) = 0 [pid 4744] +++ exited with 0 +++ [pid 4739] +++ exited with 0 +++ [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14000, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 301] umount2("./4722", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... restart_syscall resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] openat(AT_FDCWD, "./4722", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 303] umount2("./4775", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] newfstatat(3, "", [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] openat(AT_FDCWD, "./4775", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] getdents64(3, [pid 303] <... openat resumed>) = 3 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] newfstatat(3, "", [pid 301] umount2("./4722/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] getdents64(3, [pid 301] newfstatat(AT_FDCWD, "./4722/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] unlink("./4722/cgroup.cpu" [pid 303] umount2("./4775/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... unlink resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] umount2("./4722/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] newfstatat(AT_FDCWD, "./4775/cgroup.cpu", [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] newfstatat(AT_FDCWD, "./4722/binderfs", [pid 303] unlink("./4775/cgroup.cpu" [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4722/binderfs" [pid 303] <... unlink resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 303] umount2("./4775/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4722/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4775/binderfs", [pid 301] newfstatat(AT_FDCWD, "./4722/cgroup", [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4775/binderfs" [pid 301] unlink("./4722/cgroup" [pid 303] <... unlink resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 303] umount2("./4775/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4722/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4722/cgroup.net", [pid 303] newfstatat(AT_FDCWD, "./4775/cgroup", [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4722/cgroup.net" [pid 303] unlink("./4775/cgroup" [pid 301] <... unlink resumed>) = 0 [pid 301] getdents64(3, [pid 303] <... unlink resumed>) = 0 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] umount2("./4775/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] close(3 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... close resumed>) = 0 [pid 303] newfstatat(AT_FDCWD, "./4775/cgroup.net", [pid 301] rmdir("./4722" [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... rmdir resumed>) = 0 [pid 303] unlink("./4775/cgroup.net" [pid 301] mkdir("./4723", 0777 [pid 303] <... unlink resumed>) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 303] getdents64(3, [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 4757 attached [pid 303] close(3 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13844 [pid 4757] set_robust_list(0x5555557fd6a0, 24 [pid 303] <... close resumed>) = 0 [pid 4757] <... set_robust_list resumed>) = 0 [pid 303] rmdir("./4775" [pid 4757] chdir("./4723") = 0 [pid 303] <... rmdir resumed>) = 0 [pid 4757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 303] mkdir("./4776", 0777 [pid 4757] <... prctl resumed>) = 0 [pid 4757] setpgid(0, 0 [pid 303] <... mkdir resumed>) = 0 [pid 4757] <... setpgid resumed>) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4757] symlink("/syzcgroup/unified/syz0", "./cgroup"./strace-static-x86_64: Process 4758 attached [pid 4758] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 4757] <... symlink resumed>) = 0 [pid 4758] chdir("./4776" [pid 4757] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 14003 [pid 4758] <... chdir resumed>) = 0 [pid 4758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4758] setpgid(0, 0 [pid 4757] <... symlink resumed>) = 0 [pid 4758] <... setpgid resumed>) = 0 [pid 4757] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4758] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 4757] <... symlink resumed>) = 0 [pid 4758] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4758] <... symlink resumed>) = 0 [pid 4757] <... openat resumed>) = 3 [pid 4758] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4757] write(3, "1000", 4 [pid 4758] <... symlink resumed>) = 0 [pid 4757] <... write resumed>) = 4 [pid 4758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4757] close(3 [pid 4758] <... openat resumed>) = 3 [pid 4757] <... close resumed>) = 0 [pid 4758] write(3, "1000", 4 [pid 4757] symlink("/dev/binderfs", "./binderfs" [pid 4758] <... write resumed>) = 4 [pid 4758] close(3 [pid 4757] <... symlink resumed>) = 0 [pid 4758] <... close resumed>) = 0 [pid 4758] symlink("/dev/binderfs", "./binderfs" [pid 4757] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] <... symlink resumed>) = 0 [pid 4757] <... futex resumed>) = 0 [pid 4758] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4758] <... futex resumed>) = 0 [pid 4757] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4758] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4757] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4758] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4758] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4757] <... mmap resumed>) = 0x7fba2fe97000 [pid 4758] <... mmap resumed>) = 0x7fba2fe97000 [pid 4758] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4757] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4758] <... mprotect resumed>) = 0 [pid 4757] <... mprotect resumed>) = 0 [pid 4755] <... bpf resumed>) = 5 [pid 4751] <... bpf resumed>) = 5 [pid 4750] <... bpf resumed>) = 5 [pid 4758] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4751] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4750] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4757] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4755] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4751] <... futex resumed>) = 1 [pid 4750] <... futex resumed>) = 1 [pid 4749] <... futex resumed>) = 0 [pid 4748] <... futex resumed>) = 0 [pid 4758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4757] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4755] <... futex resumed>) = 1 [pid 4754] <... futex resumed>) = 0 [pid 4751] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4750] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4749] close(3 [pid 4748] close(3./strace-static-x86_64: Process 4759 attached [pid 4757] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4755] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4754] close(3 [pid 4749] <... close resumed>) = 0 [pid 4748] <... close resumed>) = 0 [pid 4759] set_robust_list(0x7fba2feb79a0, 24 [pid 4758] <... clone3 resumed> => {parent_tid=[14004]}, 88) = 14004 [pid 4749] close(4 [pid 4748] close(4./strace-static-x86_64: Process 4760 attached [pid 4759] <... set_robust_list resumed>) = 0 [pid 4758] rt_sigprocmask(SIG_SETMASK, [], [pid 4754] <... close resumed>) = 0 [pid 4749] <... close resumed>) = 0 [pid 4748] <... close resumed>) = 0 [pid 4760] set_robust_list(0x7fba2feb79a0, 24 [pid 4759] rt_sigprocmask(SIG_SETMASK, [], [pid 4758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4757] <... clone3 resumed> => {parent_tid=[13845]}, 88) = 13845 [pid 4754] close(4 [pid 4749] close(5 [pid 4748] close(5 [pid 4760] <... set_robust_list resumed>) = 0 [pid 4759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4758] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] rt_sigprocmask(SIG_SETMASK, [], [pid 4754] <... close resumed>) = 0 [pid 4749] <... close resumed>) = 0 [pid 4760] rt_sigprocmask(SIG_SETMASK, [], [pid 4759] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4758] <... futex resumed>) = 0 [pid 4757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4754] close(5 [pid 4749] close(6 [pid 4760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4759] <... bpf resumed>) = 3 [pid 4758] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4757] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4760] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4759] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4757] <... futex resumed>) = 0 [pid 4749] close(7 [pid 4760] <... bpf resumed>) = 3 [pid 4759] <... futex resumed>) = 0 [pid 4758] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4760] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4759] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4758] <... futex resumed>) = 0 [pid 4757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4749] close(8 [pid 4760] <... futex resumed>) = 0 [pid 4759] <... bpf resumed>) = 0 [pid 4758] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4760] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4759] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] <... futex resumed>) = 0 [pid 4757] <... futex resumed>) = 0 [pid 4749] close(9 [pid 4760] <... bpf resumed>) = 0 [pid 4759] <... futex resumed>) = 0 [pid 4758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4757] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4760] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4759] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4758] <... mmap resumed>) = 0x7fba2fe76000 [pid 4757] <... futex resumed>) = 0 [pid 4749] close(10 [pid 4760] <... futex resumed>) = 0 [pid 4758] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4760] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4758] <... mprotect resumed>) = 0 [pid 4757] <... mmap resumed>) = 0x7fba2fe76000 [pid 4749] close(11 [pid 4758] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4757] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4758] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4757] <... mprotect resumed>) = 0 [pid 4749] close(12 [pid 4758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4749] close(13./strace-static-x86_64: Process 4761 attached [pid 4757] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4761] set_robust_list(0x7fba2fe969a0, 24 [pid 4758] <... clone3 resumed> => {parent_tid=[14005]}, 88) = 14005 [pid 4757] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4749] close(14 [pid 4761] <... set_robust_list resumed>) = 0 [pid 4758] rt_sigprocmask(SIG_SETMASK, [], [pid 4749] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4762 attached [pid 4761] rt_sigprocmask(SIG_SETMASK, [], [pid 4758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4749] close(15 [pid 4762] set_robust_list(0x7fba2fe969a0, 24 [pid 4761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4758] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] <... clone3 resumed> => {parent_tid=[13846]}, 88) = 13846 [pid 4749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4762] <... set_robust_list resumed>) = 0 [pid 4761] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4758] <... futex resumed>) = 0 [pid 4757] rt_sigprocmask(SIG_SETMASK, [], [pid 4749] close(16 [pid 4762] rt_sigprocmask(SIG_SETMASK, [], [pid 4761] <... bpf resumed>) = 4 [pid 4758] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4761] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4757] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] close(17 [pid 4762] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4761] <... futex resumed>) = 0 [pid 4758] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4757] <... futex resumed>) = 0 [pid 4749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4761] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4749] close(18) = -1 EBADF (Bad file descriptor) [pid 4749] close(19) = -1 EBADF (Bad file descriptor) [pid 4757] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4749] close(20) = -1 EBADF (Bad file descriptor) [pid 4749] close(21) = -1 EBADF (Bad file descriptor) [pid 4749] close(22) = -1 EBADF (Bad file descriptor) [pid 4749] close(23) = -1 EBADF (Bad file descriptor) [pid 4749] close(24 [pid 4762] <... bpf resumed>) = 4 [pid 4749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4762] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4759] <... futex resumed>) = 0 [pid 4758] <... futex resumed>) = 1 [pid 4749] close(25 [pid 4762] <... futex resumed>) = 1 [pid 4759] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4758] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4757] <... futex resumed>) = 0 [pid 4749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4762] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4757] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4749] close(26 [pid 4760] <... futex resumed>) = 0 [pid 4757] <... futex resumed>) = 1 [pid 4749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4760] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4757] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4749] close(27) = -1 EBADF (Bad file descriptor) [pid 4749] close(28) = -1 EBADF (Bad file descriptor) [pid 4749] close(29) = -1 EBADF (Bad file descriptor) [pid 4749] exit_group(0 [pid 4753] <... futex resumed>) = ? [pid 4751] <... futex resumed>) = ? [pid 4749] <... exit_group resumed>) = ? [pid 4753] +++ exited with 0 +++ [pid 4751] +++ exited with 0 +++ [pid 4749] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] umount2("./4633", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./4633", 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, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] umount2("./4633/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4633/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4633/cgroup.cpu") = 0 [pid 299] umount2("./4633/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4633/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4633/binderfs") = 0 [pid 299] umount2("./4633/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4633/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4633/cgroup") = 0 [pid 299] umount2("./4633/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./4633/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4633/cgroup.net") = 0 [pid 299] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] close(3) = 0 [pid 299] rmdir("./4633") = 0 [pid 299] mkdir("./4634", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4763 attached [pid 4763] set_robust_list(0x5555557fd6a0, 24 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13573 [pid 4763] <... set_robust_list resumed>) = 0 [pid 4763] chdir("./4634") = 0 [pid 4748] <... close resumed>) = 0 [pid 4754] <... close resumed>) = 0 [pid 4763] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4754] close(6 [pid 4748] close(6 [pid 4763] <... prctl resumed>) = 0 [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] setpgid(0, 0 [pid 4754] close(7 [pid 4748] close(7 [pid 4763] <... setpgid resumed>) = 0 [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 4754] close(8 [pid 4748] close(8 [pid 4763] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] <... symlink resumed>) = 0 [pid 4754] close(9 [pid 4748] close(9 [pid 4763] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] <... symlink resumed>) = 0 [pid 4754] close(10 [pid 4748] close(10 [pid 4763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] <... openat resumed>) = 3 [pid 4754] close(11 [pid 4748] close(11 [pid 4763] write(3, "1000", 4 [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] <... write resumed>) = 4 [pid 4754] close(12 [pid 4748] close(12 [pid 4763] close(3 [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] <... close resumed>) = 0 [pid 4754] close(13 [pid 4748] close(13 [pid 4763] symlink("/dev/binderfs", "./binderfs" [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] <... symlink resumed>) = 0 [pid 4754] close(14 [pid 4748] close(14 [pid 4763] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] <... futex resumed>) = 0 [pid 4754] close(15 [pid 4748] close(15 [pid 4763] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4754] close(16 [pid 4748] close(16 [pid 4763] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4754] close(17 [pid 4748] close(17 [pid 4763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] <... mmap resumed>) = 0x7fba2fe97000 [pid 4763] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4754] close(18 [pid 4748] close(18 [pid 4763] <... mprotect resumed>) = 0 [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4754] close(19 [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] close(19 [pid 4763] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4754] close(20 [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4764 attached [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] close(20 [pid 4764] set_robust_list(0x7fba2feb79a0, 24 [pid 4763] <... clone3 resumed> => {parent_tid=[13574]}, 88) = 13574 [pid 4754] close(21 [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4764] <... set_robust_list resumed>) = 0 [pid 4763] rt_sigprocmask(SIG_SETMASK, [], [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] close(21 [pid 4764] rt_sigprocmask(SIG_SETMASK, [], [pid 4763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4754] close(22 [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4763] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] close(22 [pid 4764] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4763] <... futex resumed>) = 0 [pid 4754] close(23 [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4764] <... bpf resumed>) = 3 [pid 4763] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] close(23 [pid 4764] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4754] close(24 [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4764] <... futex resumed>) = 0 [pid 4763] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] close(24 [pid 4764] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4763] <... futex resumed>) = 0 [pid 4754] close(25 [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4764] <... bpf resumed>) = 0 [pid 4763] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] close(25 [pid 4764] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4763] <... futex resumed>) = 0 [pid 4754] close(26 [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4764] <... futex resumed>) = 0 [pid 4763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] close(26 [pid 4764] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4763] <... mmap resumed>) = 0x7fba2fe76000 [pid 4754] close(27 [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] close(27 [pid 4754] close(28 [pid 4763] <... mprotect resumed>) = 0 [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4754] close(29 [pid 4763] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4748] close(28 [pid 4763] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4754] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4765 attached [pid 4754] exit_group(0 [pid 4748] close(29 [pid 4765] set_robust_list(0x7fba2fe969a0, 24 [pid 4756] <... futex resumed>) = ? [pid 4755] <... futex resumed>) = ? [pid 4754] <... exit_group resumed>) = ? [pid 4748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] <... clone3 resumed> => {parent_tid=[13575]}, 88) = 13575 [pid 4765] <... set_robust_list resumed>) = 0 [pid 4756] +++ exited with 0 +++ [pid 4765] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4765] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4755] +++ exited with 0 +++ [pid 4754] +++ exited with 0 +++ [pid 4748] exit_group(0 [pid 4752] <... futex resumed>) = ? [pid 4750] <... futex resumed>) = ? [pid 4748] <... exit_group resumed>) = ? [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4763] rt_sigprocmask(SIG_SETMASK, [], [pid 4752] +++ exited with 0 +++ [pid 4750] +++ exited with 0 +++ [pid 300] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 4748] +++ exited with 0 +++ [pid 4763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13937, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] umount2("./4671", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4763] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] openat(AT_FDCWD, "./4671", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4765] <... futex resumed>) = 0 [pid 4763] <... futex resumed>) = 1 [pid 300] <... openat resumed>) = 3 [pid 4765] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4763] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] newfstatat(3, "", [pid 4765] <... bpf resumed>) = 4 [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4765] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] getdents64(3, [pid 4765] <... futex resumed>) = 1 [pid 4763] <... futex resumed>) = 0 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4765] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4763] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] umount2("./4744", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] umount2("./4671/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4764] <... futex resumed>) = 0 [pid 4763] <... futex resumed>) = 1 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4764] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4763] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 302] openat(AT_FDCWD, "./4744", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] newfstatat(AT_FDCWD, "./4671/cgroup.cpu", [pid 302] <... openat resumed>) = 3 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] newfstatat(3, "", [pid 300] unlink("./4671/cgroup.cpu" [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] <... unlink resumed>) = 0 [pid 302] getdents64(3, [pid 300] umount2("./4671/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] umount2("./4744/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] newfstatat(AT_FDCWD, "./4671/binderfs", [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] newfstatat(AT_FDCWD, "./4744/cgroup.cpu", [pid 300] unlink("./4671/binderfs" [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... unlink resumed>) = 0 [pid 302] unlink("./4744/cgroup.cpu" [pid 300] umount2("./4671/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4671/cgroup", [pid 302] <... unlink resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] umount2("./4744/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] unlink("./4671/cgroup" [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... unlink resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4744/binderfs", [pid 300] umount2("./4671/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] unlink("./4744/binderfs" [pid 300] newfstatat(AT_FDCWD, "./4671/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4671/cgroup.net" [pid 302] <... unlink resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 302] umount2("./4744/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] getdents64(3, [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] newfstatat(AT_FDCWD, "./4744/cgroup", [pid 300] close(3 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... close resumed>) = 0 [pid 302] unlink("./4744/cgroup" [pid 300] rmdir("./4671" [pid 302] <... unlink resumed>) = 0 [pid 302] umount2("./4744/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... rmdir resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] mkdir("./4672", 0777 [pid 302] newfstatat(AT_FDCWD, "./4744/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... mkdir resumed>) = 0 [pid 302] unlink("./4744/cgroup.net" [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4766 attached [pid 302] getdents64(3, [pid 4766] set_robust_list(0x5555557fd6a0, 24 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4766] <... set_robust_list resumed>) = 0 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13725 [pid 4766] chdir("./4672") = 0 [pid 4766] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4766] setpgid(0, 0 [pid 4759] <... bpf resumed>) = 5 [pid 4766] <... setpgid resumed>) = 0 [pid 4766] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4764] <... bpf resumed>) = 5 [pid 4760] <... bpf resumed>) = 5 [pid 4759] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] close(3 [pid 4766] <... symlink resumed>) = 0 [pid 4764] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4760] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4759] <... futex resumed>) = 1 [pid 4758] <... futex resumed>) = 0 [pid 4766] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4764] <... futex resumed>) = 1 [pid 4763] <... futex resumed>) = 0 [pid 4760] <... futex resumed>) = 1 [pid 4759] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4757] <... futex resumed>) = 0 [pid 302] <... close resumed>) = 0 [pid 4758] close(3 [pid 4766] <... symlink resumed>) = 0 [pid 4764] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4763] close(3 [pid 4760] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4757] close(3 [pid 302] rmdir("./4744" [pid 4766] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4763] <... close resumed>) = 0 [pid 4758] <... close resumed>) = 0 [pid 4757] <... close resumed>) = 0 [pid 4766] <... symlink resumed>) = 0 [pid 4758] close(4 [pid 4757] close(4 [pid 302] <... rmdir resumed>) = 0 [pid 4766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4763] close(4 [pid 4758] <... close resumed>) = 0 [pid 4757] <... close resumed>) = 0 [pid 4766] <... openat resumed>) = 3 [pid 4763] <... close resumed>) = 0 [pid 4758] close(5 [pid 4757] close(5 [pid 302] mkdir("./4745", 0777 [pid 4766] write(3, "1000", 4 [pid 4763] close(5 [pid 4758] <... close resumed>) = 0 [pid 4766] <... write resumed>) = 4 [pid 4766] close(3) = 0 [pid 4766] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4758] close(6 [pid 302] <... mkdir resumed>) = 0 [pid 4766] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4766] <... futex resumed>) = 0 [pid 4758] close(7 [pid 4766] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4766] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4766] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 4767 attached [pid 4766] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] set_robust_list(0x5555557fd6a0, 24 [pid 4766] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4758] close(8 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13940 [pid 4767] <... set_robust_list resumed>) = 0 [pid 4766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4768 attached [pid 4767] chdir("./4745" [pid 4758] close(9 [pid 4768] set_robust_list(0x7fba2feb79a0, 24 [pid 4767] <... chdir resumed>) = 0 [pid 4766] <... clone3 resumed> => {parent_tid=[13726]}, 88) = 13726 [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4768] <... set_robust_list resumed>) = 0 [pid 4767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4766] rt_sigprocmask(SIG_SETMASK, [], [pid 4758] close(10 [pid 4768] rt_sigprocmask(SIG_SETMASK, [], [pid 4767] <... prctl resumed>) = 0 [pid 4766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4767] setpgid(0, 0 [pid 4766] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] close(11 [pid 4768] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4767] <... setpgid resumed>) = 0 [pid 4766] <... futex resumed>) = 0 [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4768] <... bpf resumed>) = 3 [pid 4767] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4766] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4758] close(12 [pid 4768] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4767] <... symlink resumed>) = 0 [pid 4766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4768] <... futex resumed>) = 0 [pid 4767] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4766] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] close(13 [pid 4768] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4767] <... symlink resumed>) = 0 [pid 4766] <... futex resumed>) = 0 [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4766] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4768] <... bpf resumed>) = 0 [pid 4767] <... symlink resumed>) = 0 [pid 4766] <... futex resumed>) = 0 [pid 4758] close(14 [pid 4768] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4768] <... futex resumed>) = 0 [pid 4767] <... openat resumed>) = 3 [pid 4766] <... mmap resumed>) = 0x7fba2fe76000 [pid 4758] close(15 [pid 4768] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4767] write(3, "1000", 4 [pid 4766] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... write resumed>) = 4 [pid 4766] <... mprotect resumed>) = 0 [pid 4758] close(16 [pid 4767] close(3 [pid 4766] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = 0 [pid 4766] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4758] close(17 [pid 4767] symlink("/dev/binderfs", "./binderfs" [pid 4766] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4769 attached [pid 4767] <... symlink resumed>) = 0 [pid 4758] close(18 [pid 4769] set_robust_list(0x7fba2fe969a0, 24 [pid 4767] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4766] <... clone3 resumed> => {parent_tid=[13727]}, 88) = 13727 [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4769] <... set_robust_list resumed>) = 0 [pid 4767] <... futex resumed>) = 0 [pid 4766] rt_sigprocmask(SIG_SETMASK, [], [pid 4758] close(19 [pid 4769] rt_sigprocmask(SIG_SETMASK, [], [pid 4767] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4767] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4766] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] close(20 [pid 4769] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4767] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4766] <... futex resumed>) = 0 [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4767] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4767] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4766] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4769] <... bpf resumed>) = 4 [pid 4767] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4758] close(21 [pid 4769] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4770 attached [pid 4769] <... futex resumed>) = 1 [pid 4766] <... futex resumed>) = 0 [pid 4758] close(22 [pid 4770] set_robust_list(0x7fba2feb79a0, 24 [pid 4769] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4767] <... clone3 resumed> => {parent_tid=[13941]}, 88) = 13941 [pid 4766] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4770] <... set_robust_list resumed>) = 0 [pid 4768] <... futex resumed>) = 0 [pid 4767] rt_sigprocmask(SIG_SETMASK, [], [pid 4766] <... futex resumed>) = 1 [pid 4758] close(23 [pid 4770] rt_sigprocmask(SIG_SETMASK, [], [pid 4768] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4766] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4767] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4770] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4767] <... futex resumed>) = 0 [pid 4758] close(24 [pid 4770] <... bpf resumed>) = 3 [pid 4767] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4770] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4758] close(25 [pid 4770] <... futex resumed>) = 0 [pid 4767] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4770] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4767] <... futex resumed>) = 0 [pid 4758] close(26 [pid 4767] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4770] <... bpf resumed>) = 0 [pid 4767] <... mmap resumed>) = 0x7fba2fe76000 [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4770] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4767] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4770] <... futex resumed>) = 0 [pid 4767] <... mprotect resumed>) = 0 [pid 4758] close(27 [pid 4770] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4767] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4758] close(28 [pid 4767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4771 attached [pid 4758] close(29 [pid 4771] set_robust_list(0x7fba2fe969a0, 24) = 0 [pid 4758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4771] rt_sigprocmask(SIG_SETMASK, [], [pid 4767] <... clone3 resumed> => {parent_tid=[13942]}, 88) = 13942 [pid 4758] exit_group(0 [pid 4771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4767] rt_sigprocmask(SIG_SETMASK, [], [pid 4761] <... futex resumed>) = ? [pid 4759] <... futex resumed>) = ? [pid 4758] <... exit_group resumed>) = ? [pid 4771] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4761] +++ exited with 0 +++ [pid 4759] +++ exited with 0 +++ [pid 4767] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4767] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4758] +++ exited with 0 +++ [pid 4771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4771] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14003, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4771] <... bpf resumed>) = 4 [pid 303] umount2("./4776", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4771] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4771] <... futex resumed>) = 1 [pid 303] openat(AT_FDCWD, "./4776", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4771] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4767] <... futex resumed>) = 0 [pid 4767] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... openat resumed>) = 3 [pid 4770] <... futex resumed>) = 0 [pid 4767] <... futex resumed>) = 1 [pid 303] newfstatat(3, "", [pid 4770] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4767] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] umount2("./4776/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4776/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4776/cgroup.cpu") = 0 [pid 303] umount2("./4776/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4776/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4776/binderfs") = 0 [pid 303] umount2("./4776/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4776/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4776/cgroup") = 0 [pid 303] umount2("./4776/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4776/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4776/cgroup.net") = 0 [pid 4763] <... close resumed>) = 0 [pid 4757] <... close resumed>) = 0 [pid 303] getdents64(3, [pid 4763] close(6 [pid 4757] close(6 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4763] close(7 [pid 4757] close(7 [pid 303] close(3 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... close resumed>) = 0 [pid 4763] close(8 [pid 4757] close(8 [pid 303] rmdir("./4776" [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] close(9 [pid 4757] close(9 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... rmdir resumed>) = 0 [pid 4763] close(10 [pid 4757] close(10 [pid 303] mkdir("./4777", 0777 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] close(11 [pid 4757] close(11 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] close(12 [pid 4757] close(12 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... mkdir resumed>) = 0 [pid 4763] close(13 [pid 4757] close(13 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] close(14 [pid 4757] close(14 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] close(15 [pid 4757] close(15./strace-static-x86_64: Process 4772 attached [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4772] set_robust_list(0x5555557fd6a0, 24 [pid 4763] close(16 [pid 4757] close(16 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 14006 [pid 4772] <... set_robust_list resumed>) = 0 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4772] chdir("./4777" [pid 4763] close(17 [pid 4757] close(17 [pid 4772] <... chdir resumed>) = 0 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4763] close(18 [pid 4757] close(18 [pid 4772] <... prctl resumed>) = 0 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4772] setpgid(0, 0 [pid 4763] close(19 [pid 4757] close(19 [pid 4772] <... setpgid resumed>) = 0 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4772] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4763] close(20 [pid 4757] close(20 [pid 4772] <... symlink resumed>) = 0 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4772] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4763] close(21 [pid 4757] close(21 [pid 4772] <... symlink resumed>) = 0 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4772] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4763] close(22 [pid 4757] close(22) = -1 EBADF (Bad file descriptor) [pid 4757] close(23 [pid 4772] <... symlink resumed>) = 0 [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] close(24 [pid 4772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4763] close(23 [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] close(25) = -1 EBADF (Bad file descriptor) [pid 4757] close(26 [pid 4772] <... openat resumed>) = 3 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4772] write(3, "1000", 4 [pid 4763] close(24 [pid 4757] close(27 [pid 4772] <... write resumed>) = 4 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4772] close(3 [pid 4763] close(25 [pid 4757] close(28 [pid 4772] <... close resumed>) = 0 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4772] symlink("/dev/binderfs", "./binderfs" [pid 4763] close(26 [pid 4757] close(29) = -1 EBADF (Bad file descriptor) [pid 4757] exit_group(0 [pid 4772] <... symlink resumed>) = 0 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4762] <... futex resumed>) = ? [pid 4760] <... futex resumed>) = ? [pid 4757] <... exit_group resumed>) = ? [pid 4772] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4763] close(27 [pid 4762] +++ exited with 0 +++ [pid 4760] +++ exited with 0 +++ [pid 4757] +++ exited with 0 +++ [pid 4772] <... futex resumed>) = 0 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13844, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4772] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4763] close(28 [pid 4772] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4772] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4763] close(29) = -1 EBADF (Bad file descriptor) [pid 4772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4763] exit_group(0 [pid 4772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] umount2("./4723", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4772] <... mmap resumed>) = 0x7fba2fe97000 [pid 4765] <... futex resumed>) = ? [pid 4764] <... futex resumed>) = ? [pid 4763] <... exit_group resumed>) = ? [pid 4772] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4765] +++ exited with 0 +++ [pid 4764] +++ exited with 0 +++ [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4763] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13573, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 301] openat(AT_FDCWD, "./4723", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4772] <... mprotect resumed>) = 0 [pid 301] <... openat resumed>) = 3 [pid 4772] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 301] newfstatat(3, "", [pid 4772] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 4773 attached [pid 301] getdents64(3, [pid 4773] set_robust_list(0x7fba2feb79a0, 24 [pid 4772] <... clone3 resumed> => {parent_tid=[14007]}, 88) = 14007 [pid 4773] <... set_robust_list resumed>) = 0 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4773] rt_sigprocmask(SIG_SETMASK, [], [pid 4772] rt_sigprocmask(SIG_SETMASK, [], [pid 299] <... restart_syscall resumed>) = 0 [pid 301] umount2("./4723/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4773] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4772] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4772] <... futex resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4723/cgroup.cpu", [pid 299] umount2("./4634", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4773] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4772] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4773] <... bpf resumed>) = 3 [pid 301] unlink("./4723/cgroup.cpu" [pid 299] openat(AT_FDCWD, "./4634", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4773] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... unlink resumed>) = 0 [pid 299] <... openat resumed>) = 3 [pid 4773] <... futex resumed>) = 1 [pid 4772] <... futex resumed>) = 0 [pid 301] umount2("./4723/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] newfstatat(3, "", [pid 4773] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4772] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4772] <... futex resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4723/binderfs", [pid 299] getdents64(3, [pid 4773] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4772] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4773] <... bpf resumed>) = 0 [pid 4772] <... futex resumed>) = 0 [pid 301] unlink("./4723/binderfs" [pid 299] umount2("./4634/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4773] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4773] <... futex resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4634/cgroup.cpu", [pid 4773] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4772] <... mmap resumed>) = 0x7fba2fe76000 [pid 301] umount2("./4723/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4772] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4634/cgroup.cpu" [pid 4772] <... mprotect resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4723/cgroup", [pid 299] <... unlink resumed>) = 0 [pid 4772] rt_sigprocmask(SIG_BLOCK, ~[], [pid 299] umount2("./4634/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4772] <... rt_sigprocmask resumed>[], 8) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4772] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 301] unlink("./4723/cgroup" [pid 299] newfstatat(AT_FDCWD, "./4634/binderfs", ./strace-static-x86_64: Process 4774 attached {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4774] set_robust_list(0x7fba2fe969a0, 24 [pid 299] unlink("./4634/binderfs" [pid 4774] <... set_robust_list resumed>) = 0 [pid 4772] <... clone3 resumed> => {parent_tid=[14008]}, 88) = 14008 [pid 301] <... unlink resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 4774] rt_sigprocmask(SIG_SETMASK, [], [pid 4772] rt_sigprocmask(SIG_SETMASK, [], [pid 301] umount2("./4723/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] umount2("./4634/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4774] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4772] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] newfstatat(AT_FDCWD, "./4723/cgroup.net", [pid 299] newfstatat(AT_FDCWD, "./4634/cgroup", [pid 4774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4772] <... futex resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4774] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4772] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] unlink("./4723/cgroup.net" [pid 299] unlink("./4634/cgroup" [pid 4774] <... bpf resumed>) = 4 [pid 301] <... unlink resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 4774] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] getdents64(3, [pid 299] umount2("./4634/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4774] <... futex resumed>) = 1 [pid 4772] <... futex resumed>) = 0 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4774] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4772] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] close(3 [pid 299] newfstatat(AT_FDCWD, "./4634/cgroup.net", [pid 4773] <... futex resumed>) = 0 [pid 4772] <... futex resumed>) = 1 [pid 301] <... close resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4773] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4772] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 301] rmdir("./4723" [pid 299] unlink("./4634/cgroup.net") = 0 [pid 299] getdents64(3, [pid 301] <... rmdir resumed>) = 0 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] mkdir("./4724", 0777 [pid 299] close(3) = 0 [pid 299] rmdir("./4634" [pid 301] <... mkdir resumed>) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] mkdir("./4635", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4775 attached [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13847 ./strace-static-x86_64: Process 4776 attached [pid 4775] set_robust_list(0x5555557fd6a0, 24 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13576 [pid 4776] set_robust_list(0x5555557fd6a0, 24 [pid 4775] <... set_robust_list resumed>) = 0 [pid 4776] <... set_robust_list resumed>) = 0 [pid 4775] chdir("./4724" [pid 4776] chdir("./4635" [pid 4775] <... chdir resumed>) = 0 [pid 4776] <... chdir resumed>) = 0 [pid 4775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4776] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4775] <... prctl resumed>) = 0 [pid 4773] <... bpf resumed>) = 5 [pid 4770] <... bpf resumed>) = 5 [pid 4768] <... bpf resumed>) = 5 [pid 4776] <... prctl resumed>) = 0 [pid 4775] setpgid(0, 0 [pid 4773] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4770] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4768] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] setpgid(0, 0 [pid 4775] <... setpgid resumed>) = 0 [pid 4773] <... futex resumed>) = 1 [pid 4772] <... futex resumed>) = 0 [pid 4770] <... futex resumed>) = 1 [pid 4768] <... futex resumed>) = 1 [pid 4767] <... futex resumed>) = 0 [pid 4766] <... futex resumed>) = 0 [pid 4776] <... setpgid resumed>) = 0 [pid 4775] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4773] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4772] close(3 [pid 4770] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4768] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4767] close(3 [pid 4766] close(3 [pid 4776] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4775] <... symlink resumed>) = 0 [pid 4772] <... close resumed>) = 0 [pid 4767] <... close resumed>) = 0 [pid 4766] <... close resumed>) = 0 [pid 4772] close(4 [pid 4767] close(4 [pid 4776] <... symlink resumed>) = 0 [pid 4775] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4772] <... close resumed>) = 0 [pid 4767] <... close resumed>) = 0 [pid 4766] close(4 [pid 4776] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4772] close(5 [pid 4775] <... symlink resumed>) = 0 [pid 4767] close(5 [pid 4776] <... symlink resumed>) = 0 [pid 4775] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4772] <... close resumed>) = 0 [pid 4767] <... close resumed>) = 0 [pid 4766] <... close resumed>) = 0 [pid 4776] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4775] <... symlink resumed>) = 0 [pid 4772] close(6 [pid 4767] close(6 [pid 4766] close(5 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4776] <... symlink resumed>) = 0 [pid 4772] close(7 [pid 4767] close(7 [pid 4775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = 0 [pid 4776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4772] close(8 [pid 4767] close(8 [pid 4775] <... openat resumed>) = 3 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] close(6 [pid 4776] <... openat resumed>) = 3 [pid 4776] write(3, "1000", 4 [pid 4775] write(3, "1000", 4 [pid 4772] close(9 [pid 4767] close(9 [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4776] <... write resumed>) = 4 [pid 4775] <... write resumed>) = 4 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] close(7 [pid 4776] close(3 [pid 4775] close(3 [pid 4772] close(10 [pid 4767] close(10 [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4776] <... close resumed>) = 0 [pid 4775] <... close resumed>) = 0 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] close(8 [pid 4776] symlink("/dev/binderfs", "./binderfs" [pid 4775] symlink("/dev/binderfs", "./binderfs" [pid 4772] close(11 [pid 4767] close(11 [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4776] <... symlink resumed>) = 0 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4776] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4775] <... symlink resumed>) = 0 [pid 4772] close(12 [pid 4767] close(12 [pid 4766] close(9 [pid 4776] <... futex resumed>) = 0 [pid 4775] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4776] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4775] <... futex resumed>) = 0 [pid 4772] close(13 [pid 4767] close(13 [pid 4766] close(10 [pid 4776] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4775] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4775] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4772] close(14 [pid 4767] close(14 [pid 4766] close(11 [pid 4776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4772] close(15 [pid 4767] close(15 [pid 4766] close(12 [pid 4776] <... mmap resumed>) = 0x7fba2fe97000 [pid 4775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4776] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4775] <... mmap resumed>) = 0x7fba2fe97000 [pid 4772] close(16 [pid 4767] close(16 [pid 4766] close(13 [pid 4776] <... mprotect resumed>) = 0 [pid 4775] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4776] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4775] <... mprotect resumed>) = 0 [pid 4772] close(17 [pid 4767] close(17 [pid 4766] close(14 [pid 4776] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4775] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4775] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4772] close(18 [pid 4767] close(18 [pid 4766] close(15 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4777 attached [pid 4775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4772] close(19 [pid 4767] close(19 [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4777] set_robust_list(0x7fba2feb79a0, 24 [pid 4776] <... clone3 resumed> => {parent_tid=[13577]}, 88) = 13577 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4778 attached [pid 4777] <... set_robust_list resumed>) = 0 [pid 4776] rt_sigprocmask(SIG_SETMASK, [], [pid 4772] close(20 [pid 4767] close(20 [pid 4766] close(16 [pid 4778] set_robust_list(0x7fba2feb79a0, 24 [pid 4777] rt_sigprocmask(SIG_SETMASK, [], [pid 4776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4775] <... clone3 resumed> => {parent_tid=[13848]}, 88) = 13848 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4778] <... set_robust_list resumed>) = 0 [pid 4777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4776] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4775] rt_sigprocmask(SIG_SETMASK, [], [pid 4772] close(21 [pid 4767] close(21 [pid 4766] close(17 [pid 4778] rt_sigprocmask(SIG_SETMASK, [], [pid 4777] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4776] <... futex resumed>) = 0 [pid 4775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4777] <... bpf resumed>) = 3 [pid 4776] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4775] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4772] close(22 [pid 4767] close(22 [pid 4766] close(18 [pid 4778] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4777] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4775] <... futex resumed>) = 0 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4778] <... bpf resumed>) = 3 [pid 4777] <... futex resumed>) = 0 [pid 4776] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4775] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4772] close(23 [pid 4767] close(23 [pid 4766] close(19 [pid 4778] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4777] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4776] <... futex resumed>) = 0 [pid 4775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4778] <... futex resumed>) = 0 [pid 4777] <... bpf resumed>) = 0 [pid 4776] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4775] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4772] close(24 [pid 4767] close(24 [pid 4766] close(20 [pid 4778] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4777] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] <... futex resumed>) = 0 [pid 4775] <... futex resumed>) = 0 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4778] <... bpf resumed>) = 0 [pid 4777] <... futex resumed>) = 0 [pid 4776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4775] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4772] close(25 [pid 4767] close(25 [pid 4766] close(21 [pid 4778] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4777] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4776] <... mmap resumed>) = 0x7fba2fe76000 [pid 4775] <... futex resumed>) = 0 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4778] <... futex resumed>) = 0 [pid 4776] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4772] close(26 [pid 4767] close(26 [pid 4766] close(22 [pid 4778] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4776] <... mprotect resumed>) = 0 [pid 4775] <... mmap resumed>) = 0x7fba2fe76000 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4776] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4775] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4772] close(27 [pid 4767] close(27 [pid 4766] close(23 [pid 4776] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4775] <... mprotect resumed>) = 0 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4775] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4772] close(28 [pid 4767] close(28 [pid 4766] close(24./strace-static-x86_64: Process 4779 attached [pid 4775] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4779] set_robust_list(0x7fba2fe969a0, 24 [pid 4776] <... clone3 resumed> => {parent_tid=[13578]}, 88) = 13578 [pid 4775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4772] close(29 [pid 4767] close(29 [pid 4766] close(25./strace-static-x86_64: Process 4780 attached [pid 4779] <... set_robust_list resumed>) = 0 [pid 4776] rt_sigprocmask(SIG_SETMASK, [], [pid 4772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4780] set_robust_list(0x7fba2fe969a0, 24 [pid 4779] rt_sigprocmask(SIG_SETMASK, [], [pid 4776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4775] <... clone3 resumed> => {parent_tid=[13849]}, 88) = 13849 [pid 4772] exit_group(0 [pid 4767] exit_group(0 [pid 4766] close(26 [pid 4780] <... set_robust_list resumed>) = 0 [pid 4779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4776] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4775] rt_sigprocmask(SIG_SETMASK, [], [pid 4774] <... futex resumed>) = ? [pid 4773] <... futex resumed>) = ? [pid 4772] <... exit_group resumed>) = ? [pid 4771] <... futex resumed>) = ? [pid 4770] <... futex resumed>) = ? [pid 4767] <... exit_group resumed>) = ? [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4780] rt_sigprocmask(SIG_SETMASK, [], [pid 4779] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4776] <... futex resumed>) = 0 [pid 4775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4774] +++ exited with 0 +++ [pid 4773] +++ exited with 0 +++ [pid 4772] +++ exited with 0 +++ [pid 4771] +++ exited with 0 +++ [pid 4770] +++ exited with 0 +++ [pid 4767] +++ exited with 0 +++ [pid 4766] close(27 [pid 4780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4779] <... bpf resumed>) = 4 [pid 4776] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4775] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14006, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4780] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4779] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4775] <... futex resumed>) = 0 [pid 4766] close(28 [pid 4780] <... bpf resumed>) = 4 [pid 4779] <... futex resumed>) = 0 [pid 4776] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4775] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4780] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4779] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4777] <... futex resumed>) = 0 [pid 4776] <... futex resumed>) = 1 [pid 4775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4766] close(29 [pid 4780] <... futex resumed>) = 0 [pid 4777] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4776] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4775] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] umount2("./4777", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4780] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4777] <... bpf resumed>) = 5 [pid 4778] <... futex resumed>) = 0 [pid 4775] <... futex resumed>) = 1 [pid 4778] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4766] exit_group(0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4778] <... bpf resumed>) = 5 [pid 4777] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4775] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4778] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4769] <... futex resumed>) = ? [pid 4775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4768] <... futex resumed>) = ? [pid 4766] <... exit_group resumed>) = ? [pid 303] openat(AT_FDCWD, "./4777", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4777] <... futex resumed>) = 1 [pid 4776] <... futex resumed>) = 0 [pid 4778] <... futex resumed>) = 0 [pid 4775] close(3 [pid 4769] +++ exited with 0 +++ [pid 4768] +++ exited with 0 +++ [pid 4778] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4766] +++ exited with 0 +++ [pid 303] <... openat resumed>) = 3 [pid 4777] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4776] close(3 [pid 4775] <... close resumed>) = 0 [pid 303] newfstatat(3, "", [pid 4776] <... close resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4776] close(4 [pid 302] umount2("./4745", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4776] <... close resumed>) = 0 [pid 4775] close(4 [pid 303] getdents64(3, [pid 4776] close(5 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4775] <... close resumed>) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] openat(AT_FDCWD, "./4745", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4775] close(5 [pid 303] umount2("./4777/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13725, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... openat resumed>) = 3 [pid 303] newfstatat(AT_FDCWD, "./4777/cgroup.cpu", [pid 302] newfstatat(3, "", [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] unlink("./4777/cgroup.cpu" [pid 300] umount2("./4672", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] getdents64(3, [pid 303] <... unlink resumed>) = 0 [pid 303] umount2("./4777/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] umount2("./4745/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] newfstatat(AT_FDCWD, "./4777/binderfs", [pid 300] openat(AT_FDCWD, "./4672", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... openat resumed>) = 3 [pid 302] newfstatat(AT_FDCWD, "./4745/cgroup.cpu", [pid 303] unlink("./4777/binderfs" [pid 300] newfstatat(3, "", [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... unlink resumed>) = 0 [pid 302] unlink("./4745/cgroup.cpu" [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] umount2("./4777/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... unlink resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] umount2("./4745/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] newfstatat(AT_FDCWD, "./4777/cgroup", [pid 300] getdents64(3, [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] unlink("./4777/cgroup" [pid 302] newfstatat(AT_FDCWD, "./4745/binderfs", [pid 300] umount2("./4672/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... unlink resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] umount2("./4777/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] unlink("./4745/binderfs" [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4777/cgroup.net", [pid 302] <... unlink resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4672/cgroup.cpu", [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] umount2("./4745/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] unlink("./4777/cgroup.net" [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... unlink resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4745/cgroup", [pid 303] getdents64(3, [pid 300] unlink("./4672/cgroup.cpu" [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... unlink resumed>) = 0 [pid 302] unlink("./4745/cgroup" [pid 303] close(3 [pid 300] umount2("./4672/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... unlink resumed>) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... close resumed>) = 0 [pid 302] umount2("./4745/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] rmdir("./4777" [pid 300] newfstatat(AT_FDCWD, "./4672/binderfs", [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... rmdir resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4745/cgroup.net", [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] mkdir("./4778", 0777 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4672/binderfs" [pid 303] <... mkdir resumed>) = 0 [pid 302] unlink("./4745/cgroup.net" [pid 300] <... unlink resumed>) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] <... unlink resumed>) = 0 [pid 300] umount2("./4672/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4781 attached [pid 302] getdents64(3, [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4781] set_robust_list(0x5555557fd6a0, 24 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 14009 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] newfstatat(AT_FDCWD, "./4672/cgroup", [pid 4781] <... set_robust_list resumed>) = 0 [pid 4781] chdir("./4778" [pid 302] close(3 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4781] <... chdir resumed>) = 0 [pid 302] <... close resumed>) = 0 [pid 300] unlink("./4672/cgroup" [pid 4781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 302] rmdir("./4745" [pid 4781] <... prctl resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 4781] setpgid(0, 0) = 0 [pid 4781] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 302] <... rmdir resumed>) = 0 [pid 300] umount2("./4672/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4781] <... symlink resumed>) = 0 [pid 302] mkdir("./4746", 0777 [pid 4781] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4781] <... symlink resumed>) = 0 [pid 4781] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 302] <... mkdir resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4672/cgroup.net", [pid 4781] <... symlink resumed>) = 0 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4781] write(3, "1000", 4./strace-static-x86_64: Process 4782 attached ) = 4 [pid 300] unlink("./4672/cgroup.net" [pid 4782] set_robust_list(0x5555557fd6a0, 24 [pid 4781] close(3 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13943 [pid 4782] <... set_robust_list resumed>) = 0 [pid 4781] <... close resumed>) = 0 [pid 4782] chdir("./4746" [pid 4781] symlink("/dev/binderfs", "./binderfs" [pid 300] <... unlink resumed>) = 0 [pid 4782] <... chdir resumed>) = 0 [pid 4781] <... symlink resumed>) = 0 [pid 4782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4781] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] getdents64(3, [pid 4782] <... prctl resumed>) = 0 [pid 4781] <... futex resumed>) = 0 [pid 4782] setpgid(0, 0 [pid 4781] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4782] <... setpgid resumed>) = 0 [pid 4781] <... rt_sigaction resumed>NULL, 8) = 0 [pid 300] close(3 [pid 4782] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4781] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4782] <... symlink resumed>) = 0 [pid 4781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 300] <... close resumed>) = 0 [pid 4782] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 300] rmdir("./4672" [pid 4782] <... symlink resumed>) = 0 [pid 4781] <... mmap resumed>) = 0x7fba2fe97000 [pid 4782] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4781] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4782] <... symlink resumed>) = 0 [pid 4781] <... mprotect resumed>) = 0 [pid 300] <... rmdir resumed>) = 0 [pid 4782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4781] rt_sigprocmask(SIG_BLOCK, ~[], [pid 300] mkdir("./4673", 0777 [pid 4782] <... openat resumed>) = 3 [pid 4781] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4782] write(3, "1000", 4 [pid 4781] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4783 attached [pid 4782] <... write resumed>) = 4 [pid 300] <... mkdir resumed>) = 0 [pid 4783] set_robust_list(0x7fba2feb79a0, 24 [pid 4782] close(3 [pid 4781] <... clone3 resumed> => {parent_tid=[14010]}, 88) = 14010 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4783] <... set_robust_list resumed>) = 0 [pid 4782] <... close resumed>) = 0 [pid 4781] rt_sigprocmask(SIG_SETMASK, [], [pid 4782] symlink("/dev/binderfs", "./binderfs" [pid 4781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4782] <... symlink resumed>) = 0 [pid 4781] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4782] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4781] <... futex resumed>) = 0 ./strace-static-x86_64: Process 4784 attached [pid 4783] rt_sigprocmask(SIG_SETMASK, [], [pid 4782] <... futex resumed>) = 0 [pid 4781] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4784] set_robust_list(0x5555557fd6a0, 24 [pid 4783] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4782] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13728 [pid 4784] <... set_robust_list resumed>) = 0 [pid 4782] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4783] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4784] chdir("./4673" [pid 4782] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4784] <... chdir resumed>) = 0 [pid 4783] <... bpf resumed>) = 3 [pid 4782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4784] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4783] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4784] <... prctl resumed>) = 0 [pid 4783] <... futex resumed>) = 1 [pid 4782] <... mmap resumed>) = 0x7fba2fe97000 [pid 4781] <... futex resumed>) = 0 [pid 4784] setpgid(0, 0 [pid 4783] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4782] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4781] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] <... setpgid resumed>) = 0 [pid 4783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4782] <... mprotect resumed>) = 0 [pid 4781] <... futex resumed>) = 0 [pid 4784] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4783] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4782] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4781] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] <... symlink resumed>) = 0 [pid 4782] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4784] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4785 attached [pid 4784] <... symlink resumed>) = 0 [pid 4783] <... bpf resumed>) = 0 [pid 4781] <... futex resumed>) = 0 [pid 4785] set_robust_list(0x7fba2feb79a0, 24 [pid 4784] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4783] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4782] <... clone3 resumed> => {parent_tid=[13944]}, 88) = 13944 [pid 4781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4785] <... set_robust_list resumed>) = 0 [pid 4784] <... symlink resumed>) = 0 [pid 4783] <... futex resumed>) = 0 [pid 4782] rt_sigprocmask(SIG_SETMASK, [], [pid 4781] <... mmap resumed>) = 0x7fba2fe76000 [pid 4785] rt_sigprocmask(SIG_SETMASK, [], [pid 4784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4783] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4781] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4784] <... openat resumed>) = 3 [pid 4782] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4781] <... mprotect resumed>) = 0 [pid 4785] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4784] write(3, "1000", 4 [pid 4782] <... futex resumed>) = 0 [pid 4785] <... bpf resumed>) = 3 [pid 4784] <... write resumed>) = 4 [pid 4782] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4781] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4785] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] close(3 [pid 4782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4776] <... close resumed>) = 0 [pid 4785] <... futex resumed>) = 0 [pid 4784] <... close resumed>) = 0 [pid 4782] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4781] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4776] close(6 [pid 4775] <... close resumed>) = 0 [pid 4785] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4784] symlink("/dev/binderfs", "./binderfs" [pid 4782] <... futex resumed>) = 0 [pid 4781] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(6 [pid 4785] <... bpf resumed>) = 0 [pid 4784] <... symlink resumed>) = 0 [pid 4782] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 4786 attached [pid 4785] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4782] <... futex resumed>) = 0 [pid 4776] close(7 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4786] set_robust_list(0x7fba2fe969a0, 24 [pid 4785] <... futex resumed>) = 0 [pid 4784] <... futex resumed>) = 0 [pid 4782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4781] <... clone3 resumed> => {parent_tid=[14011]}, 88) = 14011 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(7 [pid 4786] <... set_robust_list resumed>) = 0 [pid 4785] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4784] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4782] <... mmap resumed>) = 0x7fba2fe76000 [pid 4781] rt_sigprocmask(SIG_SETMASK, [], [pid 4776] close(8 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4786] rt_sigprocmask(SIG_SETMASK, [], [pid 4784] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4782] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(8 [pid 4786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4784] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4782] <... mprotect resumed>) = 0 [pid 4781] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] close(9 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4786] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4782] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4781] <... futex resumed>) = 0 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(9 [pid 4786] <... bpf resumed>) = 4 [pid 4784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4782] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4781] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4776] close(10 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4786] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] <... mmap resumed>) = 0x7fba2fe97000 [pid 4782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(10 [pid 4786] <... futex resumed>) = 0 [pid 4784] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 4787 attached [pid 4786] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4784] <... mprotect resumed>) = 0 [pid 4781] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] close(11 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4787] set_robust_list(0x7fba2fe969a0, 24 [pid 4784] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4783] <... futex resumed>) = 0 [pid 4782] <... clone3 resumed> => {parent_tid=[13945]}, 88) = 13945 [pid 4781] <... futex resumed>) = 1 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(11 [pid 4787] <... set_robust_list resumed>) = 0 [pid 4784] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4783] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4782] rt_sigprocmask(SIG_SETMASK, [], [pid 4781] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4776] close(12 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4787] rt_sigprocmask(SIG_SETMASK, [], [pid 4784] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(12./strace-static-x86_64: Process 4788 attached [pid 4787] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4784] <... clone3 resumed> => {parent_tid=[13729]}, 88) = 13729 [pid 4782] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] close(13 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4788] set_robust_list(0x7fba2feb79a0, 24 [pid 4787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4784] rt_sigprocmask(SIG_SETMASK, [], [pid 4782] <... futex resumed>) = 0 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(13 [pid 4788] <... set_robust_list resumed>) = 0 [pid 4787] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4782] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4776] close(14 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4788] rt_sigprocmask(SIG_SETMASK, [], [pid 4787] <... bpf resumed>) = 4 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(14 [pid 4788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4784] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] close(15 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4788] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4787] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4784] <... futex resumed>) = 0 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(15 [pid 4788] <... bpf resumed>) = 3 [pid 4784] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4776] close(16 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4788] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4787] <... futex resumed>) = 1 [pid 4784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4782] <... futex resumed>) = 0 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(16 [pid 4788] <... futex resumed>) = 0 [pid 4787] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4784] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4782] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] close(17 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4788] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4784] <... futex resumed>) = 0 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(17 [pid 4785] <... futex resumed>) = 0 [pid 4782] <... futex resumed>) = 1 [pid 4788] <... bpf resumed>) = 0 [pid 4785] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4784] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4782] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4776] close(18 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4788] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4784] <... futex resumed>) = 0 [pid 4775] close(18 [pid 4788] <... futex resumed>) = 0 [pid 4784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4776] close(19 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4788] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4784] <... mmap resumed>) = 0x7fba2fe76000 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(19 [pid 4784] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4776] close(20 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4784] <... mprotect resumed>) = 0 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(20 [pid 4784] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4776] close(21 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4784] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4784] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4776] close(22 [pid 4775] close(21 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4789 attached [pid 4776] close(23 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4789] set_robust_list(0x7fba2fe969a0, 24 [pid 4784] <... clone3 resumed> => {parent_tid=[13730]}, 88) = 13730 [pid 4789] <... set_robust_list resumed>) = 0 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(22 [pid 4789] rt_sigprocmask(SIG_SETMASK, [], [pid 4784] rt_sigprocmask(SIG_SETMASK, [], [pid 4776] close(24 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4789] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(23 [pid 4789] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4784] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] close(25 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4784] <... futex resumed>) = 0 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(24 [pid 4789] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4784] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4776] close(26 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4789] <... bpf resumed>) = 4 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] close(25 [pid 4776] close(27 [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4789] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4776] close(28 [pid 4775] close(26 [pid 4789] <... futex resumed>) = 1 [pid 4784] <... futex resumed>) = 0 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4789] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4784] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4776] close(29 [pid 4775] close(27 [pid 4788] <... futex resumed>) = 0 [pid 4784] <... futex resumed>) = 1 [pid 4776] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4776] exit_group(0 [pid 4775] close(28 [pid 4779] <... futex resumed>) = ? [pid 4777] <... futex resumed>) = ? [pid 4776] <... exit_group resumed>) = ? [pid 4788] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4784] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4779] +++ exited with 0 +++ [pid 4775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4777] +++ exited with 0 +++ [pid 4776] +++ exited with 0 +++ [pid 4775] close(29) = -1 EBADF (Bad file descriptor) [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13576, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 4775] exit_group(0 [pid 4780] <... futex resumed>) = ? [pid 4778] <... futex resumed>) = ? [pid 4775] <... exit_group resumed>) = ? [pid 299] <... restart_syscall resumed>) = 0 [pid 4780] +++ exited with 0 +++ [pid 4778] +++ exited with 0 +++ [pid 4775] +++ exited with 0 +++ [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13847, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 299] umount2("./4635", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./4635", 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 301] <... restart_syscall resumed>) = 0 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] umount2("./4635/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4724", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] openat(AT_FDCWD, "./4724", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] newfstatat(AT_FDCWD, "./4635/cgroup.cpu", [pid 301] <... openat resumed>) = 3 [pid 301] newfstatat(3, "", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] unlink("./4635/cgroup.cpu" [pid 301] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] <... unlink resumed>) = 0 [pid 301] umount2("./4724/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] umount2("./4635/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4724/cgroup.cpu", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4724/cgroup.cpu" [pid 299] newfstatat(AT_FDCWD, "./4635/binderfs", [pid 301] <... unlink resumed>) = 0 [pid 301] umount2("./4724/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4635/binderfs" [pid 301] newfstatat(AT_FDCWD, "./4724/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4724/binderfs") = 0 [pid 299] <... unlink resumed>) = 0 [pid 301] umount2("./4724/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] umount2("./4635/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] newfstatat(AT_FDCWD, "./4724/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] unlink("./4724/cgroup" [pid 299] newfstatat(AT_FDCWD, "./4635/cgroup", [pid 301] <... unlink resumed>) = 0 [pid 301] umount2("./4724/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4635/cgroup" [pid 301] newfstatat(AT_FDCWD, "./4724/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4724/cgroup.net" [pid 299] <... unlink resumed>) = 0 [pid 4783] <... bpf resumed>) = 5 [pid 301] <... unlink resumed>) = 0 [pid 4785] <... bpf resumed>) = 5 [pid 4783] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] getdents64(3, [pid 299] umount2("./4635/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4788] <... bpf resumed>) = 5 [pid 4785] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4783] <... futex resumed>) = 1 [pid 4781] <... futex resumed>) = 0 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4788] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4788] <... futex resumed>) = 1 [pid 4785] <... futex resumed>) = 1 [pid 4784] <... futex resumed>) = 0 [pid 4783] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4782] <... futex resumed>) = 0 [pid 4781] close(3 [pid 301] close(3 [pid 299] newfstatat(AT_FDCWD, "./4635/cgroup.net", [pid 4788] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4785] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4784] close(3 [pid 4782] close(3 [pid 4781] <... close resumed>) = 0 [pid 301] <... close resumed>) = 0 [pid 4784] <... close resumed>) = 0 [pid 4782] <... close resumed>) = 0 [pid 4781] close(4 [pid 301] rmdir("./4724" [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4784] close(4 [pid 4782] close(4 [pid 4781] <... close resumed>) = 0 [pid 301] <... rmdir resumed>) = 0 [pid 299] unlink("./4635/cgroup.net" [pid 4784] <... close resumed>) = 0 [pid 4782] <... close resumed>) = 0 [pid 4781] close(5 [pid 301] mkdir("./4725", 0777 [pid 4784] close(5 [pid 4782] close(5 [pid 4781] <... close resumed>) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 299] <... unlink resumed>) = 0 [pid 4781] close(6 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] getdents64(3, ./strace-static-x86_64: Process 4790 attached [pid 4781] close(7 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13850 [pid 4790] set_robust_list(0x5555557fd6a0, 24 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4790] <... set_robust_list resumed>) = 0 [pid 4781] close(8 [pid 299] close(3 [pid 4790] chdir("./4725" [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... close resumed>) = 0 [pid 4790] <... chdir resumed>) = 0 [pid 4781] close(9 [pid 299] rmdir("./4635" [pid 4790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... prctl resumed>) = 0 [pid 4781] close(10 [pid 299] <... rmdir resumed>) = 0 [pid 4790] setpgid(0, 0 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... setpgid resumed>) = 0 [pid 4781] close(11 [pid 299] mkdir("./4636", 0777 [pid 4790] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4781] close(12 [pid 299] <... mkdir resumed>) = 0 [pid 4790] <... symlink resumed>) = 0 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4781] close(13 [pid 4790] <... symlink resumed>) = 0 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4791 attached [pid 4790] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4781] close(14 [pid 4791] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 4791] chdir("./4636" [pid 4790] <... symlink resumed>) = 0 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13579 [pid 4791] <... chdir resumed>) = 0 [pid 4790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4781] close(15 [pid 4791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4790] <... openat resumed>) = 3 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] setpgid(0, 0 [pid 4790] write(3, "1000", 4 [pid 4781] close(16 [pid 4791] <... setpgid resumed>) = 0 [pid 4790] <... write resumed>) = 4 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4790] close(3 [pid 4781] close(17 [pid 4791] <... symlink resumed>) = 0 [pid 4791] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4790] <... close resumed>) = 0 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] <... symlink resumed>) = 0 [pid 4790] symlink("/dev/binderfs", "./binderfs" [pid 4781] close(18 [pid 4791] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4790] <... symlink resumed>) = 0 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4790] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4781] close(19 [pid 4791] <... openat resumed>) = 3 [pid 4790] <... futex resumed>) = 0 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] write(3, "1000", 4 [pid 4790] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4781] close(20 [pid 4791] <... write resumed>) = 4 [pid 4790] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] close(3 [pid 4790] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4781] close(21 [pid 4791] <... close resumed>) = 0 [pid 4790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4791] symlink("/dev/binderfs", "./binderfs" [pid 4790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] <... symlink resumed>) = 0 [pid 4790] <... mmap resumed>) = 0x7fba2fe97000 [pid 4791] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4781] close(22 [pid 4790] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4791] <... futex resumed>) = 0 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4790] <... mprotect resumed>) = 0 [pid 4781] close(23 [pid 4791] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4791] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4790] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4790] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4781] close(24 [pid 4791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] <... mmap resumed>) = 0x7fba2fe97000 [pid 4791] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 4792 attached ) = 0 [pid 4781] close(25 [pid 4792] set_robust_list(0x7fba2feb79a0, 24 [pid 4791] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4790] <... clone3 resumed> => {parent_tid=[13851]}, 88) = 13851 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4792] <... set_robust_list resumed>) = 0 [pid 4791] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4790] rt_sigprocmask(SIG_SETMASK, [], [pid 4781] close(26 [pid 4792] rt_sigprocmask(SIG_SETMASK, [], [pid 4791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4793 attached [pid 4792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4790] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4781] close(27 [pid 4793] set_robust_list(0x7fba2feb79a0, 24 [pid 4792] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4791] <... clone3 resumed> => {parent_tid=[13580]}, 88) = 13580 [pid 4790] <... futex resumed>) = 0 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4793] <... set_robust_list resumed>) = 0 [pid 4792] <... bpf resumed>) = 3 [pid 4791] rt_sigprocmask(SIG_SETMASK, [], [pid 4790] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4781] close(28 [pid 4793] rt_sigprocmask(SIG_SETMASK, [], [pid 4792] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4792] <... futex resumed>) = 0 [pid 4791] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4790] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4781] close(29 [pid 4793] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4792] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4791] <... futex resumed>) = 0 [pid 4790] <... futex resumed>) = 0 [pid 4781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4793] <... bpf resumed>) = 3 [pid 4792] <... bpf resumed>) = 0 [pid 4791] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4790] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4793] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4792] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4790] <... futex resumed>) = 0 [pid 4781] exit_group(0 [pid 4793] <... futex resumed>) = 0 [pid 4792] <... futex resumed>) = 0 [pid 4791] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4786] <... futex resumed>) = ? [pid 4783] <... futex resumed>) = ? [pid 4781] <... exit_group resumed>) = ? [pid 4793] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4792] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4791] <... futex resumed>) = 0 [pid 4790] <... mmap resumed>) = 0x7fba2fe76000 [pid 4786] +++ exited with 0 +++ [pid 4783] +++ exited with 0 +++ [pid 4793] <... bpf resumed>) = 0 [pid 4791] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4793] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] <... futex resumed>) = 0 [pid 4793] <... futex resumed>) = 0 [pid 4791] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4781] +++ exited with 0 +++ [pid 4793] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4791] <... mmap resumed>) = 0x7fba2fe76000 [pid 4790] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4791] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4790] <... mprotect resumed>) = 0 [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4791] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4790] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4791] <... rt_sigprocmask resumed>[], 8) = 0 [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 4790] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4791] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4794 attached [pid 4791] <... clone3 resumed> => {parent_tid=[13581]}, 88) = 13581 ./strace-static-x86_64: Process 4795 attached [pid 4794] set_robust_list(0x7fba2fe969a0, 24 [pid 4791] rt_sigprocmask(SIG_SETMASK, [], [pid 303] <... restart_syscall resumed>) = 0 [pid 4795] set_robust_list(0x7fba2fe969a0, 24 [pid 4794] <... set_robust_list resumed>) = 0 [pid 4791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4790] <... clone3 resumed> => {parent_tid=[13852]}, 88) = 13852 [pid 4795] <... set_robust_list resumed>) = 0 [pid 4794] rt_sigprocmask(SIG_SETMASK, [], [pid 4791] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4790] rt_sigprocmask(SIG_SETMASK, [], [pid 4795] rt_sigprocmask(SIG_SETMASK, [], [pid 4794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4791] <... futex resumed>) = 0 [pid 4790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4795] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4794] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4791] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4790] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] umount2("./4778", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4795] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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) = 4 [pid 4794] <... bpf resumed>) = 4 [pid 4790] <... futex resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4795] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4794] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4790] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] openat(AT_FDCWD, "./4778", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4795] <... futex resumed>) = 0 [pid 4794] <... futex resumed>) = 1 [pid 4791] <... futex resumed>) = 0 [pid 4790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4795] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4794] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4791] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4790] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... openat resumed>) = 3 [pid 4793] <... futex resumed>) = 0 [pid 4792] <... futex resumed>) = 0 [pid 4791] <... futex resumed>) = 1 [pid 4790] <... futex resumed>) = 1 [pid 4793] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4792] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4791] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 303] newfstatat(3, "", [pid 4790] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4782] <... close resumed>) = 0 [pid 4784] <... close resumed>) = 0 [pid 4782] close(6 [pid 4784] close(6) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] umount2("./4778/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4784] close(7 [pid 4782] close(7 [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4784] close(8 [pid 4782] close(8 [pid 303] newfstatat(AT_FDCWD, "./4778/cgroup.cpu", [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4784] close(9 [pid 4782] close(9 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] unlink("./4778/cgroup.cpu" [pid 4784] close(10 [pid 4782] close(10 [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... unlink resumed>) = 0 [pid 4784] close(11 [pid 4782] close(11 [pid 303] umount2("./4778/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4784] close(12 [pid 4782] close(12 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] newfstatat(AT_FDCWD, "./4778/binderfs", [pid 4784] close(13 [pid 4782] close(13 [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4784] close(14 [pid 4782] close(14 [pid 303] unlink("./4778/binderfs" [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4784] close(15 [pid 4782] close(15 [pid 303] <... unlink resumed>) = 0 [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] umount2("./4778/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4784] close(16 [pid 4782] close(16 [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4784] close(17 [pid 4782] close(17 [pid 303] newfstatat(AT_FDCWD, "./4778/cgroup", [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4784] close(18 [pid 4782] close(18 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4784] close(19 [pid 4782] close(19 [pid 303] unlink("./4778/cgroup" [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4784] close(20 [pid 4782] close(20 [pid 303] <... unlink resumed>) = 0 [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] umount2("./4778/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4784] close(21 [pid 4782] close(21 [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4784] close(22 [pid 4782] close(22 [pid 303] newfstatat(AT_FDCWD, "./4778/cgroup.net", [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4784] close(23 [pid 4782] close(23 [pid 303] unlink("./4778/cgroup.net" [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4784] close(24 [pid 4782] close(24 [pid 303] <... unlink resumed>) = 0 [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] getdents64(3, [pid 4784] close(25 [pid 4782] close(25 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] close(3 [pid 4784] close(26 [pid 4782] close(26 [pid 303] <... close resumed>) = 0 [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4784] close(27 [pid 303] rmdir("./4778" [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] close(27 [pid 4784] close(28 [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... rmdir resumed>) = 0 [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] close(28 [pid 303] mkdir("./4779", 0777 [pid 4784] close(29 [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4782] close(29 [pid 303] <... mkdir resumed>) = 0 [pid 4784] exit_group(0 [pid 4782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4788] <... futex resumed>) = ? [pid 4789] <... futex resumed>) = -1 (errno 18446744073709551555) [pid 4784] <... exit_group resumed>) = ? [pid 4782] exit_group(0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4788] +++ exited with 0 +++ [pid 4789] +++ exited with 0 +++ [pid 4784] +++ exited with 0 +++ [pid 4785] <... futex resumed>) = ? [pid 4787] <... futex resumed>) = ? [pid 4782] <... exit_group resumed>) = ? [pid 4785] +++ exited with 0 +++ [pid 4787] +++ exited with 0 +++ [pid 4782] +++ exited with 0 +++ ./strace-static-x86_64: Process 4796 attached [pid 4796] set_robust_list(0x5555557fd6a0, 24 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 14012 [pid 4796] <... set_robust_list resumed>) = 0 [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13943, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13728, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4796] chdir("./4779" [pid 302] restart_syscall(<... resuming interrupted clone ...> [pid 4796] <... chdir resumed>) = 0 [pid 4796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4796] setpgid(0, 0) = 0 [pid 4796] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 302] <... restart_syscall resumed>) = 0 [pid 4796] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 300] umount2("./4673", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4796] <... symlink resumed>) = 0 [pid 4796] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 302] umount2("./4746", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] openat(AT_FDCWD, "./4673", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4796] <... openat resumed>) = 3 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4796] write(3, "1000", 4 [pid 300] <... openat resumed>) = 3 [pid 4796] <... write resumed>) = 4 [pid 302] openat(AT_FDCWD, "./4746", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] newfstatat(3, "", [pid 4796] close(3) = 0 [pid 4796] symlink("/dev/binderfs", "./binderfs") = 0 [pid 302] <... openat resumed>) = 3 [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4796] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] newfstatat(3, "", [pid 4796] <... futex resumed>) = 0 [pid 300] getdents64(3, [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4796] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] getdents64(3, [pid 4796] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 300] umount2("./4673/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4796] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] umount2("./4746/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4796] <... mmap resumed>) = 0x7fba2fe97000 [pid 300] newfstatat(AT_FDCWD, "./4673/cgroup.cpu", [pid 4796] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4796] <... mprotect resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] newfstatat(AT_FDCWD, "./4746/cgroup.cpu", [pid 4796] rt_sigprocmask(SIG_BLOCK, ~[], [pid 300] unlink("./4673/cgroup.cpu" [pid 4796] <... rt_sigprocmask resumed>[], 8) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4796] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4797 attached [pid 302] unlink("./4746/cgroup.cpu" [pid 300] <... unlink resumed>) = 0 [pid 4797] set_robust_list(0x7fba2feb79a0, 24 [pid 4796] <... clone3 resumed> => {parent_tid=[14013]}, 88) = 14013 [pid 4797] <... set_robust_list resumed>) = 0 [pid 4796] rt_sigprocmask(SIG_SETMASK, [], [pid 302] <... unlink resumed>) = 0 [pid 300] umount2("./4673/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4797] rt_sigprocmask(SIG_SETMASK, [], [pid 4796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] umount2("./4746/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4797] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4796] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4797] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4796] <... futex resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4746/binderfs", [pid 300] newfstatat(AT_FDCWD, "./4673/binderfs", [pid 4797] <... bpf resumed>) = 3 [pid 4796] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4797] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 302] unlink("./4746/binderfs" [pid 300] unlink("./4673/binderfs" [pid 4797] <... futex resumed>) = 0 [pid 4796] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4796] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 302] <... unlink resumed>) = 0 [pid 4796] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe76000 [pid 4796] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4796] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4796] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4798 attached [pid 4798] set_robust_list(0x7fba2fe969a0, 24 [pid 4796] <... clone3 resumed> => {parent_tid=[14014]}, 88) = 14014 [pid 4798] <... set_robust_list resumed>) = 0 [pid 4797] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4796] rt_sigprocmask(SIG_SETMASK, [], [pid 302] umount2("./4746/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... unlink resumed>) = 0 [pid 4798] rt_sigprocmask(SIG_SETMASK, [], [pid 4796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4798] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4797] <... bpf resumed>) = 0 [pid 4796] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] umount2("./4673/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4798] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4797] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4796] <... futex resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4746/cgroup", [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4797] <... futex resumed>) = 0 [pid 4796] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4798] <... bpf resumed>) = 4 [pid 4797] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] newfstatat(AT_FDCWD, "./4673/cgroup", [pid 4798] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] unlink("./4746/cgroup" [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4798] <... futex resumed>) = 1 [pid 4796] <... futex resumed>) = 0 [pid 4796] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4797] <... futex resumed>) = 0 [pid 4798] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4796] <... futex resumed>) = 1 [pid 302] <... unlink resumed>) = 0 [pid 300] unlink("./4673/cgroup" [pid 4797] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4796] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 302] umount2("./4746/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... unlink resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] umount2("./4673/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] newfstatat(AT_FDCWD, "./4746/cgroup.net", [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] newfstatat(AT_FDCWD, "./4673/cgroup.net", [pid 302] unlink("./4746/cgroup.net" [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] unlink("./4673/cgroup.net" [pid 302] getdents64(3, [pid 300] <... unlink resumed>) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] getdents64(3, [pid 302] close(3 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] <... close resumed>) = 0 [pid 300] close(3 [pid 302] rmdir("./4746" [pid 300] <... close resumed>) = 0 [pid 302] <... rmdir resumed>) = 0 [pid 300] rmdir("./4673" [pid 302] mkdir("./4747", 0777 [pid 300] <... rmdir resumed>) = 0 [pid 302] <... mkdir resumed>) = 0 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] mkdir("./4674", 0777./strace-static-x86_64: Process 4799 attached [pid 4799] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 4799] chdir("./4747" [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13946 [pid 300] <... mkdir resumed>) = 0 [pid 4799] <... chdir resumed>) = 0 [pid 4799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4799] <... prctl resumed>) = 0 [pid 4799] setpgid(0, 0) = 0 [pid 4799] symlink("/syzcgroup/unified/syz3", "./cgroup"./strace-static-x86_64: Process 4800 attached ) = 0 [pid 4797] <... bpf resumed>) = 5 [pid 4793] <... bpf resumed>) = 5 [pid 4792] <... bpf resumed>) = 5 [pid 4800] set_robust_list(0x5555557fd6a0, 24 [pid 4799] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4797] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4793] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4792] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13731 [pid 4800] <... set_robust_list resumed>) = 0 [pid 4799] <... symlink resumed>) = 0 [pid 4797] <... futex resumed>) = 1 [pid 4796] <... futex resumed>) = 0 [pid 4793] <... futex resumed>) = 1 [pid 4792] <... futex resumed>) = 1 [pid 4791] <... futex resumed>) = 0 [pid 4790] <... futex resumed>) = 0 [pid 4800] chdir("./4674" [pid 4799] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4797] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4796] close(3 [pid 4793] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4792] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4791] close(3 [pid 4790] close(3 [pid 4800] <... chdir resumed>) = 0 [pid 4799] <... symlink resumed>) = 0 [pid 4796] <... close resumed>) = 0 [pid 4791] <... close resumed>) = 0 [pid 4800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4796] close(4 [pid 4791] close(4 [pid 4790] <... close resumed>) = 0 [pid 4800] <... prctl resumed>) = 0 [pid 4799] <... openat resumed>) = 3 [pid 4796] <... close resumed>) = 0 [pid 4791] <... close resumed>) = 0 [pid 4790] close(4 [pid 4800] setpgid(0, 0 [pid 4799] write(3, "1000", 4 [pid 4796] close(5 [pid 4791] close(5 [pid 4790] <... close resumed>) = 0 [pid 4800] <... setpgid resumed>) = 0 [pid 4799] <... write resumed>) = 4 [pid 4796] <... close resumed>) = 0 [pid 4790] close(5 [pid 4799] close(3 [pid 4796] close(6 [pid 4800] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4799] <... close resumed>) = 0 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] symlink("/dev/binderfs", "./binderfs" [pid 4796] close(7 [pid 4800] <... symlink resumed>) = 0 [pid 4799] <... symlink resumed>) = 0 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4799] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4796] close(8 [pid 4800] <... symlink resumed>) = 0 [pid 4799] <... futex resumed>) = 0 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4799] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4796] close(9 [pid 4799] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... symlink resumed>) = 0 [pid 4799] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4796] close(10 [pid 4800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4796] close(11 [pid 4800] <... openat resumed>) = 3 [pid 4799] <... mmap resumed>) = 0x7fba2fe97000 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] write(3, "1000", 4 [pid 4799] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4796] close(12 [pid 4800] <... write resumed>) = 4 [pid 4799] <... mprotect resumed>) = 0 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] close(3 [pid 4799] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4796] close(13 [pid 4800] <... close resumed>) = 0 [pid 4799] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] symlink("/dev/binderfs", "./binderfs" [pid 4799] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4796] close(14./strace-static-x86_64: Process 4801 attached [pid 4800] <... symlink resumed>) = 0 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4801] set_robust_list(0x7fba2feb79a0, 24 [pid 4800] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4799] <... clone3 resumed> => {parent_tid=[13947]}, 88) = 13947 [pid 4796] close(15 [pid 4801] <... set_robust_list resumed>) = 0 [pid 4800] <... futex resumed>) = 0 [pid 4799] rt_sigprocmask(SIG_SETMASK, [], [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4801] rt_sigprocmask(SIG_SETMASK, [], [pid 4800] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4796] close(16 [pid 4801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4800] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4799] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4801] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4799] <... futex resumed>) = 0 [pid 4796] close(17 [pid 4800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4799] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4801] <... bpf resumed>) = 3 [pid 4800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4801] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4801] <... futex resumed>) = 1 [pid 4800] <... mmap resumed>) = 0x7fba2fe97000 [pid 4799] <... futex resumed>) = 0 [pid 4796] close(18 [pid 4801] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4800] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4799] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4800] <... mprotect resumed>) = 0 [pid 4799] <... futex resumed>) = 0 [pid 4796] close(19 [pid 4801] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4800] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4799] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] <... futex resumed>) = 0 [pid 4799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe76000 [pid 4801] <... bpf resumed>) = 0 [pid 4799] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4796] close(20 [pid 4800] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4801] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4799] <... mprotect resumed>) = 0 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4801] <... futex resumed>) = 0 [pid 4799] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ./strace-static-x86_64: Process 4802 attached [pid 4801] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4799] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4796] close(21./strace-static-x86_64: Process 4803 attached [pid 4802] set_robust_list(0x7fba2feb79a0, 24 [pid 4800] <... clone3 resumed> => {parent_tid=[13732]}, 88) = 13732 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4803] set_robust_list(0x7fba2fe969a0, 24 [pid 4802] <... set_robust_list resumed>) = 0 [pid 4800] rt_sigprocmask(SIG_SETMASK, [], [pid 4796] close(22 [pid 4803] <... set_robust_list resumed>) = 0 [pid 4802] rt_sigprocmask(SIG_SETMASK, [], [pid 4800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4799] <... clone3 resumed> => {parent_tid=[13948]}, 88) = 13948 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4803] rt_sigprocmask(SIG_SETMASK, [], [pid 4802] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4800] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4799] rt_sigprocmask(SIG_SETMASK, [], [pid 4796] close(23 [pid 4803] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4802] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4800] <... futex resumed>) = 0 [pid 4799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4803] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4802] <... bpf resumed>) = 3 [pid 4800] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4799] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4796] close(24 [pid 4803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4802] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4799] <... futex resumed>) = 0 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4803] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4802] <... futex resumed>) = 1 [pid 4800] <... futex resumed>) = 0 [pid 4799] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4796] close(25) = -1 EBADF (Bad file descriptor) [pid 4796] close(26) = -1 EBADF (Bad file descriptor) [pid 4796] close(27) = -1 EBADF (Bad file descriptor) [pid 4796] close(28) = -1 EBADF (Bad file descriptor) [pid 4803] <... bpf resumed>) = 4 [pid 4802] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4800] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4796] close(29 [pid 4803] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4800] <... futex resumed>) = 0 [pid 4796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4803] <... futex resumed>) = 1 [pid 4802] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4800] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4799] <... futex resumed>) = 0 [pid 4796] exit_group(0 [pid 4803] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4798] <... futex resumed>) = ? [pid 4796] <... exit_group resumed>) = ? [pid 4802] <... bpf resumed>) = 0 [pid 4800] <... futex resumed>) = 0 [pid 4799] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4798] +++ exited with 0 +++ [pid 4797] <... futex resumed>) = ? [pid 4802] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4801] <... futex resumed>) = 0 [pid 4800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4799] <... futex resumed>) = 1 [pid 4797] +++ exited with 0 +++ [pid 4796] +++ exited with 0 +++ [pid 4802] <... futex resumed>) = 0 [pid 4800] <... mmap resumed>) = 0x7fba2fe76000 [pid 4802] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4801] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4800] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4799] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14012, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 4800] <... mprotect resumed>) = 0 [pid 4800] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4804 attached [pid 303] <... restart_syscall resumed>) = 0 [pid 4804] set_robust_list(0x7fba2fe969a0, 24 [pid 4800] <... clone3 resumed> => {parent_tid=[13733]}, 88) = 13733 [pid 4804] <... set_robust_list resumed>) = 0 [pid 4800] rt_sigprocmask(SIG_SETMASK, [], [pid 4804] rt_sigprocmask(SIG_SETMASK, [], [pid 4800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] umount2("./4779", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4804] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4800] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4804] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4800] <... futex resumed>) = 0 [pid 303] openat(AT_FDCWD, "./4779", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4800] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... openat resumed>) = 3 [pid 303] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4804] <... bpf resumed>) = 4 [pid 303] umount2("./4779/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4804] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4804] <... futex resumed>) = 1 [pid 4800] <... futex resumed>) = 0 [pid 303] newfstatat(AT_FDCWD, "./4779/cgroup.cpu", [pid 4804] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4800] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4802] <... futex resumed>) = 0 [pid 4800] <... futex resumed>) = 1 [pid 303] unlink("./4779/cgroup.cpu" [pid 4802] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4800] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 303] <... unlink resumed>) = 0 [pid 303] umount2("./4779/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4779/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4779/binderfs") = 0 [pid 303] umount2("./4779/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4779/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4779/cgroup") = 0 [pid 303] umount2("./4779/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4779/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4779/cgroup.net") = 0 [pid 303] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] close(3) = 0 [pid 303] rmdir("./4779") = 0 [pid 303] mkdir("./4780", 0777) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4791] <... close resumed>) = 0 [pid 4790] <... close resumed>) = 0 ./strace-static-x86_64: Process 4805 attached [pid 4791] close(6 [pid 4790] close(6 [pid 4805] set_robust_list(0x5555557fd6a0, 24 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 14015 [pid 4805] <... set_robust_list resumed>) = 0 [pid 4791] close(7 [pid 4790] close(7 [pid 4805] chdir("./4780" [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] <... chdir resumed>) = 0 [pid 4791] close(8 [pid 4790] close(8 [pid 4805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] <... prctl resumed>) = 0 [pid 4791] close(9 [pid 4790] close(9 [pid 4805] setpgid(0, 0 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] <... setpgid resumed>) = 0 [pid 4791] close(10 [pid 4790] close(10 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4791] close(11 [pid 4790] close(11 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] close(12 [pid 4790] close(12 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] close(13 [pid 4790] close(13 [pid 4805] <... symlink resumed>) = 0 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4791] close(14 [pid 4790] close(14 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] close(15 [pid 4790] close(15 [pid 4805] <... symlink resumed>) = 0 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4791] close(16 [pid 4790] close(16 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] close(17 [pid 4790] close(17 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] <... symlink resumed>) = 0 [pid 4791] close(18 [pid 4790] close(18 [pid 4805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] close(19 [pid 4790] close(19 [pid 4805] <... openat resumed>) = 3 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] write(3, "1000", 4 [pid 4791] close(20 [pid 4790] close(20 [pid 4805] <... write resumed>) = 4 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] close(21 [pid 4805] close(3 [pid 4790] close(21 [pid 4805] <... close resumed>) = 0 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] symlink("/dev/binderfs", "./binderfs" [pid 4791] close(22 [pid 4790] close(22 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] close(23 [pid 4790] close(23 [pid 4805] <... symlink resumed>) = 0 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] close(24 [pid 4790] close(24 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4791] close(25 [pid 4790] close(25 [pid 4805] <... futex resumed>) = 0 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4791] close(26 [pid 4790] close(26 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4791] close(27 [pid 4790] close(27 [pid 4805] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4791] close(28 [pid 4790] close(28 [pid 4805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4791] close(29 [pid 4790] close(29 [pid 4805] <... mmap resumed>) = 0x7fba2fe97000 [pid 4791] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4790] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4791] exit_group(0 [pid 4790] exit_group(0 [pid 4805] <... mprotect resumed>) = 0 [pid 4795] <... futex resumed>) = ? [pid 4794] <... futex resumed>) = ? [pid 4793] <... futex resumed>) = ? [pid 4792] <... futex resumed>) = ? [pid 4791] <... exit_group resumed>) = ? [pid 4790] <... exit_group resumed>) = ? [pid 4805] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4795] +++ exited with 0 +++ [pid 4794] +++ exited with 0 +++ [pid 4793] +++ exited with 0 +++ [pid 4792] +++ exited with 0 +++ [pid 4791] +++ exited with 0 +++ [pid 4790] +++ exited with 0 +++ [pid 4805] <... rt_sigprocmask resumed>[], 8) = 0 [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4805] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 4806 attached [pid 4806] set_robust_list(0x7fba2feb79a0, 24 [pid 4805] <... clone3 resumed> => {parent_tid=[14016]}, 88) = 14016 [pid 4806] <... set_robust_list resumed>) = 0 [pid 4806] rt_sigprocmask(SIG_SETMASK, [], [pid 301] umount2("./4725", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4805] rt_sigprocmask(SIG_SETMASK, [], [pid 4806] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] umount2("./4636", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] openat(AT_FDCWD, "./4725", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4805] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4806] <... futex resumed>) = 0 [pid 4805] <... futex resumed>) = 1 [pid 301] <... openat resumed>) = 3 [pid 299] openat(AT_FDCWD, "./4636", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4806] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4805] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] newfstatat(3, "", [pid 4806] <... bpf resumed>) = 3 [pid 299] <... openat resumed>) = 3 [pid 4806] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] newfstatat(3, "", [pid 4806] <... futex resumed>) = 1 [pid 4805] <... futex resumed>) = 0 [pid 4806] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4805] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] getdents64(3, [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4805] <... futex resumed>) = 0 [pid 4806] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32) = 0 [pid 4805] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] getdents64(3, [pid 4806] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4806] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 301] umount2("./4725/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4805] <... futex resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] umount2("./4636/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] newfstatat(AT_FDCWD, "./4725/cgroup.cpu", [pid 4805] <... mmap resumed>) = 0x7fba2fe76000 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4805] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] newfstatat(AT_FDCWD, "./4636/cgroup.cpu", [pid 4805] <... mprotect resumed>) = 0 [pid 301] unlink("./4725/cgroup.cpu" [pid 4805] rt_sigprocmask(SIG_BLOCK, ~[], [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4805] <... rt_sigprocmask resumed>[], 8) = 0 [pid 301] <... unlink resumed>) = 0 [pid 299] unlink("./4636/cgroup.cpu" [pid 4805] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 301] umount2("./4725/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... unlink resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4807 attached [pid 301] newfstatat(AT_FDCWD, "./4725/binderfs", [pid 299] umount2("./4636/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4807] set_robust_list(0x7fba2fe969a0, 24 [pid 4805] <... clone3 resumed> => {parent_tid=[14017]}, 88) = 14017 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4807] <... set_robust_list resumed>) = 0 [pid 4805] rt_sigprocmask(SIG_SETMASK, [], [pid 301] unlink("./4725/binderfs" [pid 299] newfstatat(AT_FDCWD, "./4636/binderfs", [pid 4807] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4807] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 301] <... unlink resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] umount2("./4725/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] unlink("./4636/binderfs" [pid 4805] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4725/cgroup", [pid 4807] <... futex resumed>) = 0 [pid 4805] <... futex resumed>) = 1 [pid 299] <... unlink resumed>) = 0 [pid 4807] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] umount2("./4636/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4805] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4807] <... bpf resumed>) = 4 [pid 301] unlink("./4725/cgroup" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4807] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4805] <... futex resumed>) = 0 [pid 4807] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4805] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... unlink resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4636/cgroup", [pid 4806] <... futex resumed>) = 0 [pid 4805] <... futex resumed>) = 1 [pid 301] umount2("./4725/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4806] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4805] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4725/cgroup.net", [pid 299] unlink("./4636/cgroup" [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4725/cgroup.net" [pid 299] <... unlink resumed>) = 0 [pid 301] <... unlink resumed>) = 0 [pid 299] umount2("./4636/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] getdents64(3, [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] newfstatat(AT_FDCWD, "./4636/cgroup.net", [pid 301] close(3 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... close resumed>) = 0 [pid 299] unlink("./4636/cgroup.net" [pid 301] rmdir("./4725" [pid 299] <... unlink resumed>) = 0 [pid 301] <... rmdir resumed>) = 0 [pid 299] getdents64(3, [pid 301] mkdir("./4726", 0777 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 299] close(3 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... close resumed>) = 0 ./strace-static-x86_64: Process 4808 attached [pid 299] rmdir("./4636" [pid 4808] set_robust_list(0x5555557fd6a0, 24 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13853 [pid 4808] <... set_robust_list resumed>) = 0 [pid 4808] chdir("./4726") = 0 [pid 4808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4808] setpgid(0, 0) = 0 [pid 299] <... rmdir resumed>) = 0 [pid 4808] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 299] mkdir("./4637", 0777 [pid 4808] <... symlink resumed>) = 0 [pid 4808] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 4808] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 299] <... mkdir resumed>) = 0 [pid 4808] 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 4808] <... openat resumed>) = 3 [pid 4808] write(3, "1000", 4) = 4 [pid 4808] close(3) = 0 [pid 4808] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4808] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 4809 attached ) = 0 [pid 4809] set_robust_list(0x5555557fd6a0, 24 [pid 4808] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4809] <... set_robust_list resumed>) = 0 [pid 4808] <... rt_sigaction resumed>NULL, 8) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13582 [pid 4809] chdir("./4637" [pid 4808] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4809] <... chdir resumed>) = 0 [pid 4808] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4809] <... prctl resumed>) = 0 [pid 4808] <... mmap resumed>) = 0x7fba2fe97000 [pid 4809] setpgid(0, 0 [pid 4808] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4809] <... setpgid resumed>) = 0 [pid 4808] <... mprotect resumed>) = 0 [pid 4809] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4808] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4806] <... bpf resumed>) = 5 [pid 4802] <... bpf resumed>) = 5 [pid 4801] <... bpf resumed>) = 5 [pid 4809] <... symlink resumed>) = 0 [pid 4808] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4806] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4802] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4801] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4809] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4808] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4802] <... futex resumed>) = 1 [pid 4801] <... futex resumed>) = 1 [pid 4800] <... futex resumed>) = 0 ./strace-static-x86_64: Process 4810 attached [pid 4809] <... symlink resumed>) = 0 [pid 4806] <... futex resumed>) = 1 [pid 4805] <... futex resumed>) = 0 [pid 4802] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4801] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4800] close(3 [pid 4799] <... futex resumed>) = 0 [pid 4810] set_robust_list(0x7fba2feb79a0, 24 [pid 4809] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4808] <... clone3 resumed> => {parent_tid=[13854]}, 88) = 13854 [pid 4806] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4805] close(3 [pid 4800] <... close resumed>) = 0 [pid 4799] close(3 [pid 4810] <... set_robust_list resumed>) = 0 [pid 4809] <... symlink resumed>) = 0 [pid 4808] rt_sigprocmask(SIG_SETMASK, [], [pid 4810] rt_sigprocmask(SIG_SETMASK, [], [pid 4809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4808] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4805] <... close resumed>) = 0 [pid 4800] close(4 [pid 4799] <... close resumed>) = 0 [pid 4810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4809] <... openat resumed>) = 3 [pid 4808] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4805] close(4 [pid 4800] <... close resumed>) = 0 [pid 4799] close(4 [pid 4809] write(3, "1000", 4 [pid 4808] <... futex resumed>) = 0 [pid 4810] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4809] <... write resumed>) = 4 [pid 4808] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4805] <... close resumed>) = 0 [pid 4810] <... bpf resumed>) = 3 [pid 4809] close(3 [pid 4805] close(5 [pid 4800] close(5 [pid 4799] <... close resumed>) = 0 [pid 4810] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4809] <... close resumed>) = 0 [pid 4809] symlink("/dev/binderfs", "./binderfs" [pid 4810] <... futex resumed>) = 1 [pid 4809] <... symlink resumed>) = 0 [pid 4808] <... futex resumed>) = 0 [pid 4805] <... close resumed>) = 0 [pid 4800] <... close resumed>) = 0 [pid 4799] close(5 [pid 4810] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4809] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4808] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4805] close(6 [pid 4800] close(6 [pid 4809] <... futex resumed>) = 0 [pid 4808] <... futex resumed>) = 0 [pid 4809] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4808] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4809] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4808] <... futex resumed>) = 0 [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] <... close resumed>) = 0 [pid 4810] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4805] close(7 [pid 4800] close(7 [pid 4799] close(6 [pid 4809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4808] <... mmap resumed>) = 0x7fba2fe76000 [pid 4809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4808] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4810] <... bpf resumed>) = 0 [pid 4809] <... mmap resumed>) = 0x7fba2fe97000 [pid 4808] <... mprotect resumed>) = 0 [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4810] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4809] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4808] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4805] close(8 [pid 4800] close(8 [pid 4799] close(7 [pid 4810] <... futex resumed>) = 0 [pid 4809] <... mprotect resumed>) = 0 [pid 4808] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4810] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4809] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4808] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4805] close(9 [pid 4800] close(9 [pid 4799] close(8 [pid 4809] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4812 attached ./strace-static-x86_64: Process 4811 attached [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4812] set_robust_list(0x7fba2feb79a0, 24 [pid 4811] set_robust_list(0x7fba2fe969a0, 24 [pid 4809] <... clone3 resumed> => {parent_tid=[13583]}, 88) = 13583 [pid 4808] <... clone3 resumed> => {parent_tid=[13855]}, 88) = 13855 [pid 4805] close(10 [pid 4800] close(10 [pid 4799] close(9 [pid 4812] <... set_robust_list resumed>) = 0 [pid 4811] <... set_robust_list resumed>) = 0 [pid 4809] rt_sigprocmask(SIG_SETMASK, [], [pid 4808] rt_sigprocmask(SIG_SETMASK, [], [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4812] rt_sigprocmask(SIG_SETMASK, [], [pid 4811] rt_sigprocmask(SIG_SETMASK, [], [pid 4809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4808] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4805] close(11 [pid 4800] close(11 [pid 4799] close(10 [pid 4812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4809] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4808] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4812] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4811] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4809] <... futex resumed>) = 0 [pid 4808] <... futex resumed>) = 0 [pid 4805] close(12 [pid 4800] close(12 [pid 4812] <... bpf resumed>) = 3 [pid 4809] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4799] close(11 [pid 4808] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4812] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4812] <... futex resumed>) = 0 [pid 4809] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4812] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4809] <... futex resumed>) = 0 [pid 4812] <... bpf resumed>) = 0 [pid 4811] <... bpf resumed>) = 4 [pid 4809] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4812] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4811] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4809] <... futex resumed>) = 0 [pid 4805] close(13 [pid 4800] close(13 [pid 4799] close(12 [pid 4812] <... futex resumed>) = 0 [pid 4811] <... futex resumed>) = 1 [pid 4809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4808] <... futex resumed>) = 0 [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4812] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4811] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4809] <... mmap resumed>) = 0x7fba2fe76000 [pid 4808] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4805] close(14 [pid 4800] close(14 [pid 4799] close(13 [pid 4810] <... futex resumed>) = 0 [pid 4809] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4808] <... futex resumed>) = 1 [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4809] <... mprotect resumed>) = 0 [pid 4810] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4809] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4808] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4805] close(15 [pid 4800] close(15 [pid 4799] close(14 [pid 4809] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4813 attached [pid 4813] set_robust_list(0x7fba2fe969a0, 24 [pid 4809] <... clone3 resumed> => {parent_tid=[13584]}, 88) = 13584 [pid 4813] <... set_robust_list resumed>) = 0 [pid 4809] rt_sigprocmask(SIG_SETMASK, [], [pid 4813] rt_sigprocmask(SIG_SETMASK, [], [pid 4809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4805] close(16 [pid 4800] close(16 [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4809] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] close(15 [pid 4813] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4809] <... futex resumed>) = 0 [pid 4805] close(17 [pid 4800] close(17 [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4813] <... bpf resumed>) = 4 [pid 4809] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] close(16 [pid 4813] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4805] close(18 [pid 4800] close(18 [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4813] <... futex resumed>) = 0 [pid 4809] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4813] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4812] <... futex resumed>) = 0 [pid 4809] <... futex resumed>) = 1 [pid 4799] close(17 [pid 4812] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4809] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4805] close(19 [pid 4800] close(19 [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] close(18 [pid 4805] close(20 [pid 4800] close(20 [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] close(19 [pid 4805] close(21 [pid 4800] close(21 [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] close(20 [pid 4805] close(22 [pid 4800] close(22 [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] close(23 [pid 4800] close(23 [pid 4799] close(21 [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] close(24 [pid 4800] close(24 [pid 4799] close(22 [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] close(25 [pid 4800] close(25 [pid 4799] close(23 [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] close(26 [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] close(26 [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] close(24 [pid 4805] close(27 [pid 4800] close(27 [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] close(25 [pid 4805] close(28 [pid 4800] close(28 [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] close(26 [pid 4805] close(29 [pid 4800] close(29 [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4800] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] close(27 [pid 4805] exit_group(0 [pid 4800] exit_group(0 [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4807] <... futex resumed>) = ? [pid 4806] <... futex resumed>) = ? [pid 4805] <... exit_group resumed>) = ? [pid 4804] <... futex resumed>) = ? [pid 4802] <... futex resumed>) = ? [pid 4800] <... exit_group resumed>) = ? [pid 4799] close(28 [pid 4807] +++ exited with 0 +++ [pid 4806] +++ exited with 0 +++ [pid 4805] +++ exited with 0 +++ [pid 4802] +++ exited with 0 +++ [pid 4804] +++ exited with 0 +++ [pid 4800] +++ exited with 0 +++ [pid 4799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4799] close(29) = -1 EBADF (Bad file descriptor) [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13731, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4799] exit_group(0 [pid 300] restart_syscall(<... resuming interrupted clone ...> [pid 4803] <... futex resumed>) = ? [pid 4801] <... futex resumed>) = ? [pid 4799] <... exit_group resumed>) = ? [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14015, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4803] +++ exited with 0 +++ [pid 4801] +++ exited with 0 +++ [pid 4799] +++ exited with 0 +++ [pid 300] <... restart_syscall resumed>) = 0 [pid 303] umount2("./4780", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13946, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] umount2("./4674", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] openat(AT_FDCWD, "./4780", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] restart_syscall(<... resuming interrupted clone ...> [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... openat resumed>) = 3 [pid 302] <... restart_syscall resumed>) = 0 [pid 300] openat(AT_FDCWD, "./4674", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 303] newfstatat(3, "", [pid 300] <... openat resumed>) = 3 [pid 300] newfstatat(3, "", [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] umount2("./4747", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] getdents64(3, [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] getdents64(3, [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] umount2("./4780/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] openat(AT_FDCWD, "./4747", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] umount2("./4674/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... openat resumed>) = 3 [pid 303] newfstatat(AT_FDCWD, "./4780/cgroup.cpu", [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(3, "", [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] newfstatat(AT_FDCWD, "./4674/cgroup.cpu", [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] unlink("./4780/cgroup.cpu" [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] getdents64(3, [pid 300] unlink("./4674/cgroup.cpu" [pid 303] <... unlink resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] umount2("./4674/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] umount2("./4780/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4747/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4674/binderfs", [pid 303] newfstatat(AT_FDCWD, "./4780/binderfs", [pid 302] newfstatat(AT_FDCWD, "./4747/cgroup.cpu", [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4674/binderfs" [pid 303] unlink("./4780/binderfs" [pid 302] unlink("./4747/cgroup.cpu" [pid 300] <... unlink resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 300] umount2("./4674/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... unlink resumed>) = 0 [pid 4812] <... bpf resumed>) = 5 [pid 4810] <... bpf resumed>) = 5 [pid 303] umount2("./4780/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4747/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4812] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4810] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4812] <... futex resumed>) = 1 [pid 4809] <... futex resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4810] <... futex resumed>) = 1 [pid 300] newfstatat(AT_FDCWD, "./4674/cgroup", [pid 4812] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4810] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4809] close(3 [pid 4808] <... futex resumed>) = 0 [pid 303] newfstatat(AT_FDCWD, "./4780/cgroup", [pid 302] newfstatat(AT_FDCWD, "./4747/binderfs", [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4809] <... close resumed>) = 0 [pid 4808] close(3 [pid 4809] close(4) = 0 [pid 4809] close(5) = 0 [pid 4809] close(6) = -1 EBADF (Bad file descriptor) [pid 4809] close(7) = -1 EBADF (Bad file descriptor) [pid 4809] close(8) = -1 EBADF (Bad file descriptor) [pid 4809] close(9) = -1 EBADF (Bad file descriptor) [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4809] close(10 [pid 4808] <... close resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4747/binderfs" [pid 300] unlink("./4674/cgroup" [pid 4809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4808] close(4 [pid 303] unlink("./4780/cgroup" [pid 4809] close(11) = -1 EBADF (Bad file descriptor) [pid 4809] close(12 [pid 302] <... unlink resumed>) = 0 [pid 4808] <... close resumed>) = 0 [pid 4809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4809] close(13) = -1 EBADF (Bad file descriptor) [pid 4809] close(14 [pid 300] <... unlink resumed>) = 0 [pid 4809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4808] close(5 [pid 302] umount2("./4747/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4809] close(15 [pid 303] <... unlink resumed>) = 0 [pid 4809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4809] close(16) = -1 EBADF (Bad file descriptor) [pid 4808] <... close resumed>) = 0 [pid 300] umount2("./4674/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4809] close(17 [pid 4808] close(6 [pid 303] umount2("./4780/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4809] close(18 [pid 4808] close(7 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4747/cgroup", [pid 300] newfstatat(AT_FDCWD, "./4674/cgroup.net", [pid 4809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] newfstatat(AT_FDCWD, "./4780/cgroup.net", [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4809] close(19 [pid 4808] close(8 [pid 4809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4747/cgroup" [pid 300] unlink("./4674/cgroup.net" [pid 4809] close(20 [pid 4808] close(9 [pid 303] unlink("./4780/cgroup.net" [pid 4809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... unlink resumed>) = 0 [pid 4809] close(21 [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4809] close(22) = -1 EBADF (Bad file descriptor) [pid 4809] close(23 [pid 300] <... unlink resumed>) = 0 [pid 4809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4808] close(10 [pid 302] umount2("./4747/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4809] close(24 [pid 303] <... unlink resumed>) = 0 [pid 4809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] getdents64(3, [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] getdents64(3, [pid 4809] close(25 [pid 4808] close(11 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] close(3 [pid 302] newfstatat(AT_FDCWD, "./4747/cgroup.net", [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4809] close(26 [pid 4808] close(12 [pid 303] <... close resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] rmdir("./4780" [pid 302] unlink("./4747/cgroup.net" [pid 300] close(3 [pid 4809] close(27 [pid 4808] close(13 [pid 4809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] <... close resumed>) = 0 [pid 4809] close(28) = -1 EBADF (Bad file descriptor) [pid 4809] close(29 [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... unlink resumed>) = 0 [pid 300] rmdir("./4674" [pid 4809] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4809] exit_group(0 [pid 4813] <... futex resumed>) = ? [pid 4812] <... futex resumed>) = ? [pid 4809] <... exit_group resumed>) = ? [pid 4808] close(14 [pid 303] <... rmdir resumed>) = 0 [pid 4813] +++ exited with 0 +++ [pid 4812] +++ exited with 0 +++ [pid 4809] +++ exited with 0 +++ [pid 302] getdents64(3, [pid 300] <... rmdir resumed>) = 0 [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] mkdir("./4781", 0777 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4808] close(15 [pid 300] mkdir("./4675", 0777 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... mkdir resumed>) = 0 [pid 4808] close(16 [pid 300] <... mkdir resumed>) = 0 [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] umount2("./4637", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4808] close(17 [pid 302] close(3./strace-static-x86_64: Process 4814 attached [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] <... close resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4814] set_robust_list(0x5555557fd6a0, 24 [pid 4808] close(18 [pid 4814] <... set_robust_list resumed>) = 0 [pid 4814] chdir("./4675") = 0 ./strace-static-x86_64: Process 4815 attached [pid 4814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] openat(AT_FDCWD, "./4637", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13734 [pid 4815] set_robust_list(0x5555557fd6a0, 24 [pid 4814] <... prctl resumed>) = 0 [pid 4808] close(19 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 14018 [pid 302] rmdir("./4747" [pid 4815] <... set_robust_list resumed>) = 0 [pid 4814] setpgid(0, 0 [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... openat resumed>) = 3 [pid 4814] <... setpgid resumed>) = 0 [pid 4814] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4815] chdir("./4781" [pid 4814] <... symlink resumed>) = 0 [pid 4808] close(20 [pid 302] <... rmdir resumed>) = 0 [pid 299] newfstatat(3, "", [pid 4815] <... chdir resumed>) = 0 [pid 4814] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] mkdir("./4748", 0777 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4815] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4814] <... symlink resumed>) = 0 [pid 4808] close(21 [pid 4814] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 302] <... mkdir resumed>) = 0 [pid 4815] <... prctl resumed>) = 0 [pid 4814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] getdents64(3, ./strace-static-x86_64: Process 4816 attached [pid 4815] setpgid(0, 0 [pid 4814] <... openat resumed>) = 3 [pid 4808] close(22 [pid 4816] set_robust_list(0x5555557fd6a0, 24 [pid 4815] <... setpgid resumed>) = 0 [pid 4814] write(3, "1000", 4 [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13949 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4816] <... set_robust_list resumed>) = 0 [pid 4815] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4814] <... write resumed>) = 4 [pid 4808] close(23 [pid 4816] chdir("./4748" [pid 4814] close(3 [pid 299] umount2("./4637/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4816] <... chdir resumed>) = 0 [pid 4815] <... symlink resumed>) = 0 [pid 4814] <... close resumed>) = 0 [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4815] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4814] symlink("/dev/binderfs", "./binderfs" [pid 4808] close(24 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4816] <... prctl resumed>) = 0 [pid 4815] <... symlink resumed>) = 0 [pid 4814] <... symlink resumed>) = 0 [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] setpgid(0, 0 [pid 4815] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4814] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4808] close(25 [pid 299] newfstatat(AT_FDCWD, "./4637/cgroup.cpu", [pid 4816] <... setpgid resumed>) = 0 [pid 4814] <... futex resumed>) = 0 [pid 4816] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4815] <... symlink resumed>) = 0 [pid 4814] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4816] <... symlink resumed>) = 0 [pid 4815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4814] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4816] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4814] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4808] close(26 [pid 299] unlink("./4637/cgroup.cpu" [pid 4816] <... symlink resumed>) = 0 [pid 4815] <... openat resumed>) = 3 [pid 4814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4816] <... symlink resumed>) = 0 [pid 4815] write(3, "1000", 4 [pid 4814] <... mmap resumed>) = 0x7fba2fe97000 [pid 4808] close(27 [pid 299] <... unlink resumed>) = 0 [pid 4816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4815] <... write resumed>) = 4 [pid 4814] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4816] <... openat resumed>) = 3 [pid 4815] close(3 [pid 4814] <... mprotect resumed>) = 0 [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] umount2("./4637/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4816] write(3, "1000", 4 [pid 4815] <... close resumed>) = 0 [pid 4814] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4808] close(28 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4816] <... write resumed>) = 4 [pid 4815] symlink("/dev/binderfs", "./binderfs" [pid 4814] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] newfstatat(AT_FDCWD, "./4637/binderfs", [pid 4816] close(3 [pid 4814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4817 attached [pid 4816] <... close resumed>) = 0 [pid 4815] <... symlink resumed>) = 0 [pid 4808] close(29 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4817] set_robust_list(0x7fba2feb79a0, 24 [pid 4816] symlink("/dev/binderfs", "./binderfs" [pid 4815] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4814] <... clone3 resumed> => {parent_tid=[13735]}, 88) = 13735 [pid 4808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4817] <... set_robust_list resumed>) = 0 [pid 4816] <... symlink resumed>) = 0 [pid 4815] <... futex resumed>) = 0 [pid 4814] rt_sigprocmask(SIG_SETMASK, [], [pid 299] unlink("./4637/binderfs" [pid 4817] rt_sigprocmask(SIG_SETMASK, [], [pid 4816] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4815] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4808] exit_group(0 [pid 4817] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4816] <... futex resumed>) = 0 [pid 4815] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4814] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... unlink resumed>) = 0 [pid 4817] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4816] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4815] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4814] <... futex resumed>) = 0 [pid 4811] <... futex resumed>) = ? [pid 4810] <... futex resumed>) = ? [pid 4808] <... exit_group resumed>) = ? [pid 299] umount2("./4637/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4817] <... bpf resumed>) = 3 [pid 4816] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4814] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4810] +++ exited with 0 +++ [pid 4816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4816] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4816] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4811] +++ exited with 0 +++ [pid 4808] +++ exited with 0 +++ ./strace-static-x86_64: Process 4818 attached [pid 4817] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4818] set_robust_list(0x7fba2feb79a0, 24 [pid 4817] <... futex resumed>) = 1 [pid 4816] <... clone3 resumed> => {parent_tid=[13950]}, 88) = 13950 [pid 4815] <... mmap resumed>) = 0x7fba2fe97000 [pid 4814] <... futex resumed>) = 0 [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13853, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] newfstatat(AT_FDCWD, "./4637/cgroup", [pid 4818] <... set_robust_list resumed>) = 0 [pid 4817] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4816] rt_sigprocmask(SIG_SETMASK, [], [pid 4815] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4814] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 4818] rt_sigprocmask(SIG_SETMASK, [], [pid 4817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4815] <... mprotect resumed>) = 0 [pid 4814] <... futex resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4817] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4816] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4814] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... restart_syscall resumed>) = 0 [pid 4818] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4816] <... futex resumed>) = 0 [pid 4815] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4814] <... futex resumed>) = 0 [pid 299] unlink("./4637/cgroup" [pid 4818] <... bpf resumed>) = 3 [pid 4817] <... bpf resumed>) = 0 [pid 4816] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4815] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4818] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4814] <... mmap resumed>) = 0x7fba2fe76000 [pid 4817] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] <... unlink resumed>) = 0 [pid 4818] <... futex resumed>) = 0 [pid 4816] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4814] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 4819 attached [pid 4818] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4817] <... futex resumed>) = 0 [pid 4816] <... futex resumed>) = 0 [pid 4814] <... mprotect resumed>) = 0 [pid 301] umount2("./4726", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] umount2("./4637/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4819] set_robust_list(0x7fba2feb79a0, 24 [pid 4818] <... bpf resumed>) = 0 [pid 4817] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4816] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4815] <... clone3 resumed> => {parent_tid=[14019]}, 88) = 14019 [pid 4814] rt_sigprocmask(SIG_BLOCK, ~[], [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4819] <... set_robust_list resumed>) = 0 [pid 4818] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4816] <... futex resumed>) = 0 [pid 4815] rt_sigprocmask(SIG_SETMASK, [], [pid 4814] <... rt_sigprocmask resumed>[], 8) = 0 [pid 301] openat(AT_FDCWD, "./4726", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] newfstatat(AT_FDCWD, "./4637/cgroup.net", [pid 4819] rt_sigprocmask(SIG_SETMASK, [], [pid 4818] <... futex resumed>) = 0 [pid 4816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4820 attached [pid 4819] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4818] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4816] <... mmap resumed>) = 0x7fba2fe76000 [pid 4815] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... openat resumed>) = 3 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4820] set_robust_list(0x7fba2fe969a0, 24 [pid 4819] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4816] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4815] <... futex resumed>) = 0 [pid 301] newfstatat(3, "", [pid 4820] <... set_robust_list resumed>) = 0 [pid 4819] <... bpf resumed>) = 3 [pid 4816] <... mprotect resumed>) = 0 [pid 4814] <... clone3 resumed> => {parent_tid=[13736]}, 88) = 13736 [pid 299] unlink("./4637/cgroup.net" [pid 4820] rt_sigprocmask(SIG_SETMASK, [], [pid 4819] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4816] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4815] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4819] <... futex resumed>) = 0 [pid 4816] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4814] rt_sigprocmask(SIG_SETMASK, [], [pid 301] getdents64(3, [pid 299] <... unlink resumed>) = 0 [pid 4820] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4819] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4815] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 4821 attached [pid 4819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4815] <... futex resumed>) = 0 [pid 4814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] getdents64(3, [pid 4821] set_robust_list(0x7fba2fe969a0, 24 [pid 4819] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4816] <... clone3 resumed> => {parent_tid=[13951]}, 88) = 13951 [pid 4815] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] umount2("./4726/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4821] <... set_robust_list resumed>) = 0 [pid 4819] <... bpf resumed>) = 0 [pid 4816] rt_sigprocmask(SIG_SETMASK, [], [pid 4815] <... futex resumed>) = 0 [pid 4814] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4821] rt_sigprocmask(SIG_SETMASK, [], [pid 4819] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] newfstatat(AT_FDCWD, "./4726/cgroup.cpu", [pid 299] close(3 [pid 4821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4820] <... futex resumed>) = 0 [pid 4819] <... futex resumed>) = 0 [pid 4816] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4815] <... mmap resumed>) = 0x7fba2fe76000 [pid 4814] <... futex resumed>) = 1 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4821] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4820] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4819] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4816] <... futex resumed>) = 0 [pid 4815] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4814] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] unlink("./4726/cgroup.cpu" [pid 299] <... close resumed>) = 0 [pid 4821] <... bpf resumed>) = 4 [pid 4820] <... bpf resumed>) = 4 [pid 4816] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4815] <... mprotect resumed>) = 0 [pid 4820] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4814] <... futex resumed>) = 0 [pid 4820] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4814] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 301] <... unlink resumed>) = 0 [pid 4817] <... futex resumed>) = 0 [pid 299] rmdir("./4637" [pid 4821] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4817] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4815] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4814] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 301] umount2("./4726/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... rmdir resumed>) = 0 [pid 4815] <... rt_sigprocmask resumed>[], 8) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] mkdir("./4638", 0777 [pid 4817] <... bpf resumed>) = 5 [pid 4815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 301] newfstatat(AT_FDCWD, "./4726/binderfs", [pid 299] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 4822 attached [pid 4822] set_robust_list(0x7fba2fe969a0, 24 [pid 4817] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4822] <... set_robust_list resumed>) = 0 [pid 4821] <... futex resumed>) = 1 [pid 4817] <... futex resumed>) = 1 [pid 4816] <... futex resumed>) = 0 [pid 4815] <... clone3 resumed> => {parent_tid=[14020]}, 88) = 14020 [pid 4814] <... futex resumed>) = 0 [pid 301] unlink("./4726/binderfs" [pid 4822] rt_sigprocmask(SIG_SETMASK, [], [pid 4814] close(3 [pid 4822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4814] <... close resumed>) = 0 [pid 4822] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4814] close(4) = 0 [pid 4814] close(5./strace-static-x86_64: Process 4823 attached ) = 0 [pid 4814] close(6) = -1 EBADF (Bad file descriptor) [pid 4815] rt_sigprocmask(SIG_SETMASK, [], [pid 4814] close(7 [pid 4817] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 301] <... unlink resumed>) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13585 [pid 4823] set_robust_list(0x5555557fd6a0, 24 [pid 4821] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4816] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] umount2("./4726/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4823] <... set_robust_list resumed>) = 0 [pid 4818] <... futex resumed>) = 0 [pid 4816] <... futex resumed>) = 1 [pid 4815] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4814] close(8 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4823] chdir("./4638" [pid 4822] <... futex resumed>) = 0 [pid 4818] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4816] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4815] <... futex resumed>) = 1 [pid 4814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] newfstatat(AT_FDCWD, "./4726/cgroup", [pid 4823] <... chdir resumed>) = 0 [pid 4822] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4815] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4814] close(9 [pid 4823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4822] <... bpf resumed>) = 4 [pid 4814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4823] <... prctl resumed>) = 0 [pid 4822] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4814] close(10 [pid 301] unlink("./4726/cgroup" [pid 4823] setpgid(0, 0 [pid 4822] <... futex resumed>) = 1 [pid 4815] <... futex resumed>) = 0 [pid 4814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4822] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4815] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4814] close(11 [pid 4823] <... setpgid resumed>) = 0 [pid 4819] <... futex resumed>) = 0 [pid 4815] <... futex resumed>) = 1 [pid 4814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... unlink resumed>) = 0 [pid 4819] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4815] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4814] close(12 [pid 4823] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] umount2("./4726/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4814] close(13) = -1 EBADF (Bad file descriptor) [pid 4814] close(14 [pid 4823] <... symlink resumed>) = 0 [pid 4814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4814] close(15 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4814] close(16) = -1 EBADF (Bad file descriptor) [pid 4814] close(17) = -1 EBADF (Bad file descriptor) [pid 4823] <... symlink resumed>) = 0 [pid 4814] close(18 [pid 301] newfstatat(AT_FDCWD, "./4726/cgroup.net", [pid 4823] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4814] close(19) = -1 EBADF (Bad file descriptor) [pid 4814] close(20 [pid 4823] <... symlink resumed>) = 0 [pid 4814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] unlink("./4726/cgroup.net" [pid 4823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4814] close(21) = -1 EBADF (Bad file descriptor) [pid 4814] close(22) = -1 EBADF (Bad file descriptor) [pid 4814] close(23 [pid 301] <... unlink resumed>) = 0 [pid 4814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4814] close(24) = -1 EBADF (Bad file descriptor) [pid 4823] <... openat resumed>) = 3 [pid 4814] close(25 [pid 301] getdents64(3, [pid 4823] write(3, "1000", 4 [pid 4814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... write resumed>) = 4 [pid 4814] close(26 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4823] close(3 [pid 4814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] close(3 [pid 4823] <... close resumed>) = 0 [pid 4814] close(27 [pid 4823] symlink("/dev/binderfs", "./binderfs" [pid 4814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... close resumed>) = 0 [pid 4814] close(28) = -1 EBADF (Bad file descriptor) [pid 4814] close(29) = -1 EBADF (Bad file descriptor) [pid 4814] exit_group(0 [pid 4823] <... symlink resumed>) = 0 [pid 4820] <... futex resumed>) = ? [pid 4817] <... futex resumed>) = ? [pid 4814] <... exit_group resumed>) = ? [pid 4823] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4820] +++ exited with 0 +++ [pid 4817] +++ exited with 0 +++ [pid 4814] +++ exited with 0 +++ [pid 301] rmdir("./4726" [pid 4823] <... futex resumed>) = 0 [pid 301] <... rmdir resumed>) = 0 [pid 4823] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 301] mkdir("./4727", 0777 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13734, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4823] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 301] <... mkdir resumed>) = 0 [pid 300] umount2("./4675", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4823] <... mmap resumed>) = 0x7fba2fe97000 ./strace-static-x86_64: Process 4824 attached [pid 4823] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 300] openat(AT_FDCWD, "./4675", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4824] set_robust_list(0x5555557fd6a0, 24 [pid 4823] <... mprotect resumed>) = 0 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13856 [pid 4824] <... set_robust_list resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 4824] chdir("./4727") = 0 [pid 4823] rt_sigprocmask(SIG_BLOCK, ~[], [pid 300] newfstatat(3, "", [pid 4824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4823] <... rt_sigprocmask resumed>[], 8) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4824] <... prctl resumed>) = 0 [pid 4823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4824] setpgid(0, 0 [pid 300] getdents64(3, [pid 4824] <... setpgid resumed>) = 0 [pid 4824] symlink("/syzcgroup/unified/syz0", "./cgroup"./strace-static-x86_64: Process 4825 attached ) = 0 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4825] set_robust_list(0x7fba2feb79a0, 24 [pid 4824] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4823] <... clone3 resumed> => {parent_tid=[13586]}, 88) = 13586 [pid 300] umount2("./4675/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4825] <... set_robust_list resumed>) = 0 [pid 4824] <... symlink resumed>) = 0 [pid 4825] rt_sigprocmask(SIG_SETMASK, [], [pid 4824] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4824] <... symlink resumed>) = 0 [pid 4823] rt_sigprocmask(SIG_SETMASK, [], [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4825] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4824] <... openat resumed>) = 3 [pid 4823] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] newfstatat(AT_FDCWD, "./4675/cgroup.cpu", [pid 4825] <... futex resumed>) = 0 [pid 4824] write(3, "1000", 4 [pid 4823] <... futex resumed>) = 1 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4824] <... write resumed>) = 4 [pid 4824] close(3 [pid 4825] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4824] <... close resumed>) = 0 [pid 4823] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] unlink("./4675/cgroup.cpu" [pid 4825] <... bpf resumed>) = 3 [pid 4824] symlink("/dev/binderfs", "./binderfs") = 0 [pid 300] <... unlink resumed>) = 0 [pid 4825] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4825] <... futex resumed>) = 1 [pid 4824] <... futex resumed>) = 0 [pid 4823] <... futex resumed>) = 0 [pid 300] umount2("./4675/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4825] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4824] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4823] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4824] <... rt_sigaction resumed>NULL, 8) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4825] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4823] <... futex resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4675/binderfs", [pid 4824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4825] <... bpf resumed>) = 0 [pid 4824] <... mmap resumed>) = 0x7fba2fe97000 [pid 4823] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4825] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4823] <... futex resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4825] <... futex resumed>) = 0 [pid 4824] <... mprotect resumed>) = 0 [pid 4823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 300] unlink("./4675/binderfs" [pid 4825] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4824] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4823] <... mmap resumed>) = 0x7fba2fe76000 [pid 4824] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 300] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 4826 attached [pid 4824] <... clone3 resumed> => {parent_tid=[13857]}, 88) = 13857 [pid 4823] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 300] umount2("./4675/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4826] set_robust_list(0x7fba2feb79a0, 24 [pid 4824] rt_sigprocmask(SIG_SETMASK, [], [pid 4826] <... set_robust_list resumed>) = 0 [pid 4824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4823] <... mprotect resumed>) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4826] rt_sigprocmask(SIG_SETMASK, [], [pid 4824] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4823] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4824] <... futex resumed>) = 0 [pid 4823] <... rt_sigprocmask resumed>[], 8) = 0 [pid 300] newfstatat(AT_FDCWD, "./4675/cgroup", [pid 4826] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4824] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4826] <... bpf resumed>) = 3 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 4827 attached [pid 4826] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] unlink("./4675/cgroup" [pid 4827] set_robust_list(0x7fba2fe969a0, 24 [pid 4826] <... futex resumed>) = 1 [pid 4824] <... futex resumed>) = 0 [pid 4827] <... set_robust_list resumed>) = 0 [pid 4824] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4827] rt_sigprocmask(SIG_SETMASK, [], [pid 4826] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4824] <... futex resumed>) = 0 [pid 4823] <... clone3 resumed> => {parent_tid=[13587]}, 88) = 13587 [pid 300] <... unlink resumed>) = 0 [pid 4827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4824] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4827] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4824] <... futex resumed>) = 0 [pid 4824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4826] <... bpf resumed>) = 0 [pid 4824] <... mmap resumed>) = 0x7fba2fe76000 [pid 4823] rt_sigprocmask(SIG_SETMASK, [], [pid 300] umount2("./4675/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4826] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4826] <... futex resumed>) = 0 [pid 4824] <... mprotect resumed>) = 0 [pid 4823] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] newfstatat(AT_FDCWD, "./4675/cgroup.net", [pid 4826] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4824] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4823] <... futex resumed>) = 1 [pid 4827] <... futex resumed>) = 0 [pid 4824] <... rt_sigprocmask resumed>[], 8) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4819] <... bpf resumed>) = 5 [pid 4818] <... bpf resumed>) = 5 [pid 4827] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4823] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4819] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4818] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] unlink("./4675/cgroup.net"./strace-static-x86_64: Process 4828 attached [pid 4827] <... bpf resumed>) = 4 [pid 4819] <... futex resumed>) = 1 [pid 4818] <... futex resumed>) = 1 [pid 4816] <... futex resumed>) = 0 [pid 4815] <... futex resumed>) = 0 [pid 4828] set_robust_list(0x7fba2fe969a0, 24 [pid 4827] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] <... clone3 resumed> => {parent_tid=[13858]}, 88) = 13858 [pid 4819] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4818] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4816] close(3 [pid 4815] close(3 [pid 300] <... unlink resumed>) = 0 [pid 4828] <... set_robust_list resumed>) = 0 [pid 4827] <... futex resumed>) = 1 [pid 4824] rt_sigprocmask(SIG_SETMASK, [], [pid 4823] <... futex resumed>) = 0 [pid 4816] <... close resumed>) = 0 [pid 4815] <... close resumed>) = 0 [pid 300] getdents64(3, [pid 4828] rt_sigprocmask(SIG_SETMASK, [], [pid 4827] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4823] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4816] close(4 [pid 4815] close(4 [pid 4828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4825] <... futex resumed>) = 0 [pid 4824] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4823] <... futex resumed>) = 1 [pid 4816] <... close resumed>) = 0 [pid 4815] <... close resumed>) = 0 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4828] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4825] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4824] <... futex resumed>) = 0 [pid 4823] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4816] close(5 [pid 4815] close(5 [pid 300] close(3 [pid 4824] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... close resumed>) = 0 [pid 4828] <... bpf resumed>) = 4 [pid 300] rmdir("./4675" [pid 4828] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4824] <... futex resumed>) = 0 [pid 300] <... rmdir resumed>) = 0 [pid 4828] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4824] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] mkdir("./4676", 0777 [pid 4826] <... futex resumed>) = 0 [pid 4824] <... futex resumed>) = 1 [pid 4826] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4824] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 300] <... mkdir resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4829 attached [pid 4829] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13737 [pid 4829] chdir("./4676") = 0 [pid 4829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4829] setpgid(0, 0) = 0 [pid 4829] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4829] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4829] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4829] write(3, "1000", 4) = 4 [pid 4829] close(3) = 0 [pid 4829] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4829] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4829] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4829] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4829] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4829] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4829] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4830 attached => {parent_tid=[13738]}, 88) = 13738 [pid 4829] rt_sigprocmask(SIG_SETMASK, [], [pid 4830] set_robust_list(0x7fba2feb79a0, 24 [pid 4829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4830] <... set_robust_list resumed>) = 0 [pid 4829] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4830] rt_sigprocmask(SIG_SETMASK, [], [pid 4829] <... futex resumed>) = 0 [pid 4830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4829] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4830] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=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 4830] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4829] <... futex resumed>) = 0 [pid 4830] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4829] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4829] <... futex resumed>) = 0 [pid 4830] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4829] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe76000 [pid 4829] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4830] <... bpf resumed>) = 0 [pid 4829] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4830] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4829] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4830] <... futex resumed>) = 0 [pid 4829] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4831 attached [pid 4830] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4829] <... clone3 resumed> => {parent_tid=[13739]}, 88) = 13739 [pid 4831] set_robust_list(0x7fba2fe969a0, 24) = 0 [pid 4829] rt_sigprocmask(SIG_SETMASK, [], [pid 4831] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4831] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4829] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4829] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4831] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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) = 4 [pid 4831] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4831] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4829] <... futex resumed>) = 0 [pid 4829] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4830] <... futex resumed>) = 0 [pid 4829] <... futex resumed>) = 1 [pid 4830] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4829] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4816] <... close resumed>) = 0 [pid 4816] close(6 [pid 4815] <... close resumed>) = 0 [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(7 [pid 4815] close(6 [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(8 [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(9 [pid 4815] close(7 [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(10 [pid 4815] close(8 [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(11 [pid 4815] close(9 [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(12 [pid 4815] close(10 [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(13) = -1 EBADF (Bad file descriptor) [pid 4816] close(14) = -1 EBADF (Bad file descriptor) [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(15 [pid 4815] close(11 [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(16 [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(17 [pid 4815] close(12 [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(18) = -1 EBADF (Bad file descriptor) [pid 4816] close(19 [pid 4815] close(13 [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(20 [pid 4815] close(14 [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(21 [pid 4815] close(15 [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(22) = -1 EBADF (Bad file descriptor) [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(23 [pid 4815] close(16 [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(24 [pid 4815] close(17 [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(25 [pid 4815] close(18 [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] close(26) = -1 EBADF (Bad file descriptor) [pid 4815] close(19 [pid 4816] close(27 [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4815] close(20 [pid 4816] close(28 [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4815] close(21 [pid 4816] close(29 [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4816] exit_group(0 [pid 4815] close(22 [pid 4821] <... futex resumed>) = ? [pid 4818] <... futex resumed>) = ? [pid 4816] <... exit_group resumed>) = ? [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4821] +++ exited with 0 +++ [pid 4818] +++ exited with 0 +++ [pid 4816] +++ exited with 0 +++ [pid 4815] close(23) = -1 EBADF (Bad file descriptor) [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13949, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4815] close(24) = -1 EBADF (Bad file descriptor) [pid 302] umount2("./4748", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4815] close(25 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] openat(AT_FDCWD, "./4748", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4815] close(26) = -1 EBADF (Bad file descriptor) [pid 302] <... openat resumed>) = 3 [pid 4815] close(27) = -1 EBADF (Bad file descriptor) [pid 302] newfstatat(3, "", [pid 4815] close(28 [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4815] close(29 [pid 302] getdents64(3, [pid 4815] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4815] exit_group(0 [pid 4822] <... futex resumed>) = ? [pid 4819] <... futex resumed>) = ? [pid 4815] <... exit_group resumed>) = ? [pid 302] umount2("./4748/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4822] +++ exited with 0 +++ [pid 4819] +++ exited with 0 +++ [pid 4815] +++ exited with 0 +++ [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4748/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14018, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 302] unlink("./4748/cgroup.cpu" [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 302] <... unlink resumed>) = 0 [pid 302] umount2("./4748/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4748/binderfs", [pid 303] <... restart_syscall resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4748/binderfs" [pid 303] umount2("./4781", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] openat(AT_FDCWD, "./4781", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 303] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] <... unlink resumed>) = 0 [pid 303] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] umount2("./4748/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] umount2("./4781/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4781/cgroup.cpu", [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] newfstatat(AT_FDCWD, "./4748/cgroup", [pid 303] unlink("./4781/cgroup.cpu" [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... unlink resumed>) = 0 [pid 302] unlink("./4748/cgroup" [pid 303] umount2("./4781/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4781/binderfs", [pid 302] <... unlink resumed>) = 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4781/binderfs" [pid 302] umount2("./4748/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... unlink resumed>) = 0 [pid 303] umount2("./4781/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4781/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] newfstatat(AT_FDCWD, "./4748/cgroup.net", [pid 303] unlink("./4781/cgroup") = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] umount2("./4781/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] unlink("./4748/cgroup.net" [pid 303] newfstatat(AT_FDCWD, "./4781/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] unlink("./4781/cgroup.net") = 0 [pid 302] <... unlink resumed>) = 0 [pid 303] getdents64(3, [pid 302] getdents64(3, [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] close(3) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] rmdir("./4781") = 0 [pid 302] close(3 [pid 303] mkdir("./4782", 0777) = 0 [pid 302] <... close resumed>) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] rmdir("./4748" [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 14021 ./strace-static-x86_64: Process 4832 attached [pid 302] <... rmdir resumed>) = 0 [pid 4832] set_robust_list(0x5555557fd6a0, 24 [pid 302] mkdir("./4749", 0777 [pid 4832] <... set_robust_list resumed>) = 0 [pid 302] <... mkdir resumed>) = 0 [pid 4832] chdir("./4782" [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4832] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 4833 attached [pid 4832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4833] set_robust_list(0x5555557fd6a0, 24 [pid 4832] <... prctl resumed>) = 0 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13952 [pid 4833] <... set_robust_list resumed>) = 0 [pid 4832] setpgid(0, 0 [pid 4833] chdir("./4749") = 0 [pid 4832] <... setpgid resumed>) = 0 [pid 4833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4833] setpgid(0, 0) = 0 [pid 4832] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4833] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 4832] <... symlink resumed>) = 0 [pid 4833] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4832] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4833] <... symlink resumed>) = 0 [pid 4833] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4832] <... symlink resumed>) = 0 [pid 4833] <... openat resumed>) = 3 [pid 4832] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4833] write(3, "1000", 4) = 4 [pid 4833] close(3 [pid 4832] <... symlink resumed>) = 0 [pid 4833] <... close resumed>) = 0 [pid 4833] symlink("/dev/binderfs", "./binderfs" [pid 4832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4833] <... symlink resumed>) = 0 [pid 4833] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4833] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4832] <... openat resumed>) = 3 [pid 4833] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4832] write(3, "1000", 4 [pid 4833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4832] <... write resumed>) = 4 [pid 4833] <... mmap resumed>) = 0x7fba2fe97000 [pid 4833] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4832] close(3 [pid 4833] <... mprotect resumed>) = 0 [pid 4833] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4832] <... close resumed>) = 0 [pid 4833] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4832] symlink("/dev/binderfs", "./binderfs" [pid 4833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4834 attached [pid 4832] <... symlink resumed>) = 0 [pid 4834] set_robust_list(0x7fba2feb79a0, 24 [pid 4833] <... clone3 resumed> => {parent_tid=[13953]}, 88) = 13953 [pid 4832] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4834] <... set_robust_list resumed>) = 0 [pid 4833] rt_sigprocmask(SIG_SETMASK, [], [pid 4832] <... futex resumed>) = 0 [pid 4834] rt_sigprocmask(SIG_SETMASK, [], [pid 4833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4832] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4833] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4832] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4834] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4833] <... futex resumed>) = 0 [pid 4834] <... bpf resumed>) = 3 [pid 4833] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4832] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4834] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4834] <... futex resumed>) = 0 [pid 4833] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4834] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4833] <... futex resumed>) = 0 [pid 4834] <... bpf resumed>) = 0 [pid 4833] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4832] <... mmap resumed>) = 0x7fba2fe97000 [pid 4834] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4833] <... futex resumed>) = 0 [pid 4832] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4834] <... futex resumed>) = 0 [pid 4833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4832] <... mprotect resumed>) = 0 [pid 4834] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4833] <... mmap resumed>) = 0x7fba2fe76000 [pid 4833] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4833] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4832] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4833] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4832] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4832] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4835 attached [pid 4833] <... clone3 resumed> => {parent_tid=[13954]}, 88) = 13954 ./strace-static-x86_64: Process 4836 attached [pid 4835] set_robust_list(0x7fba2fe969a0, 24 [pid 4833] rt_sigprocmask(SIG_SETMASK, [], [pid 4836] set_robust_list(0x7fba2feb79a0, 24 [pid 4835] <... set_robust_list resumed>) = 0 [pid 4833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4832] <... clone3 resumed> => {parent_tid=[14022]}, 88) = 14022 [pid 4836] <... set_robust_list resumed>) = 0 [pid 4835] rt_sigprocmask(SIG_SETMASK, [], [pid 4833] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4836] rt_sigprocmask(SIG_SETMASK, [], [pid 4833] <... futex resumed>) = 0 [pid 4825] <... bpf resumed>) = 5 [pid 4835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4832] rt_sigprocmask(SIG_SETMASK, [], [pid 4830] <... bpf resumed>) = 5 [pid 4826] <... bpf resumed>) = 5 [pid 4836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4835] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4833] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4830] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4825] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4836] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4830] <... futex resumed>) = 1 [pid 4829] <... futex resumed>) = 0 [pid 4826] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4830] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4829] close(3) = 0 [pid 4829] close(4) = 0 [pid 4829] close(5) = 0 [pid 4835] <... bpf resumed>) = 4 [pid 4832] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4829] close(6 [pid 4836] <... futex resumed>) = 0 [pid 4835] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4832] <... futex resumed>) = 1 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4826] <... futex resumed>) = 1 [pid 4825] <... futex resumed>) = 1 [pid 4824] <... futex resumed>) = 0 [pid 4823] <... futex resumed>) = 0 [pid 4836] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4835] <... futex resumed>) = 1 [pid 4833] <... futex resumed>) = 0 [pid 4832] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4829] close(7 [pid 4826] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4824] close(3 [pid 4823] close(3 [pid 4825] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4836] <... bpf resumed>) = 3 [pid 4835] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4833] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] <... close resumed>) = 0 [pid 4823] <... close resumed>) = 0 [pid 4836] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4834] <... futex resumed>) = 0 [pid 4833] <... futex resumed>) = 1 [pid 4829] close(8 [pid 4824] close(4 [pid 4823] close(4 [pid 4836] <... futex resumed>) = 1 [pid 4834] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4833] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4832] <... futex resumed>) = 0 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] <... close resumed>) = 0 [pid 4823] <... close resumed>) = 0 [pid 4836] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4834] <... bpf resumed>) = 5 [pid 4832] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4829] close(9 [pid 4824] close(5 [pid 4823] close(5 [pid 4836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4834] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4832] <... futex resumed>) = 0 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = 0 [pid 4836] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4834] <... futex resumed>) = 1 [pid 4833] <... futex resumed>) = 0 [pid 4832] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4829] close(10 [pid 4823] close(6 [pid 4836] <... bpf resumed>) = 0 [pid 4834] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4833] close(3 [pid 4832] <... futex resumed>) = 0 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4836] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4833] <... close resumed>) = 0 [pid 4832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4829] close(11 [pid 4823] close(7 [pid 4836] <... futex resumed>) = 0 [pid 4833] close(4 [pid 4832] <... mmap resumed>) = 0x7fba2fe76000 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4836] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4833] <... close resumed>) = 0 [pid 4832] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4829] close(12 [pid 4823] close(8 [pid 4833] close(5 [pid 4832] <... mprotect resumed>) = 0 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4829] close(13 [pid 4823] close(9 [pid 4832] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4829] close(14 [pid 4823] close(10 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4829] close(15 [pid 4823] close(11 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4829] close(16 [pid 4823] close(12./strace-static-x86_64: Process 4837 attached [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4837] set_robust_list(0x7fba2fe969a0, 24 [pid 4829] close(17 [pid 4823] close(13 [pid 4832] <... clone3 resumed> => {parent_tid=[14023]}, 88) = 14023 [pid 4837] <... set_robust_list resumed>) = 0 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] rt_sigprocmask(SIG_SETMASK, [], [pid 4837] rt_sigprocmask(SIG_SETMASK, [], [pid 4832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4829] close(18 [pid 4823] close(14 [pid 4837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4837] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4832] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4829] close(19 [pid 4823] close(15 [pid 4837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4832] <... futex resumed>) = 0 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4837] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4829] close(20 [pid 4823] close(16 [pid 4837] <... bpf resumed>) = 4 [pid 4832] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4837] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4829] close(21 [pid 4823] close(17 [pid 4837] <... futex resumed>) = 0 [pid 4832] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4837] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4829] close(22 [pid 4823] close(18 [pid 4836] <... futex resumed>) = 0 [pid 4832] <... futex resumed>) = 1 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4836] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4832] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4829] close(23 [pid 4823] close(19 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4829] close(24 [pid 4823] close(20 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4829] close(25 [pid 4823] close(21 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4829] close(26 [pid 4823] close(22 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4829] close(27 [pid 4823] close(23 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4829] close(28 [pid 4823] close(24 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4829] close(29 [pid 4823] close(25 [pid 4829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4829] exit_group(0 [pid 4823] close(26 [pid 4831] <... futex resumed>) = ? [pid 4830] <... futex resumed>) = ? [pid 4829] <... exit_group resumed>) = ? [pid 4823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4831] +++ exited with 0 +++ [pid 4830] +++ exited with 0 +++ [pid 4829] +++ exited with 0 +++ [pid 4823] close(27) = -1 EBADF (Bad file descriptor) [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13737, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4823] close(28) = -1 EBADF (Bad file descriptor) [pid 4823] close(29) = -1 EBADF (Bad file descriptor) [pid 4823] exit_group(0 [pid 4827] <... futex resumed>) = ? [pid 4825] <... futex resumed>) = ? [pid 4823] <... exit_group resumed>) = ? [pid 300] umount2("./4676", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4827] +++ exited with 0 +++ [pid 4825] +++ exited with 0 +++ [pid 4823] +++ exited with 0 +++ [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] openat(AT_FDCWD, "./4676", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13585, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 300] <... openat resumed>) = 3 [pid 300] newfstatat(3, "", [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... restart_syscall resumed>) = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] umount2("./4676/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] umount2("./4638", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] newfstatat(AT_FDCWD, "./4676/cgroup.cpu", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] openat(AT_FDCWD, "./4638", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] unlink("./4676/cgroup.cpu" [pid 299] <... openat resumed>) = 3 [pid 300] <... unlink resumed>) = 0 [pid 299] newfstatat(3, "", [pid 300] umount2("./4676/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] getdents64(3, [pid 300] newfstatat(AT_FDCWD, "./4676/binderfs", [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] umount2("./4638/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] unlink("./4676/binderfs" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... unlink resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4638/cgroup.cpu", [pid 300] umount2("./4676/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4638/cgroup.cpu" [pid 300] newfstatat(AT_FDCWD, "./4676/cgroup", [pid 299] <... unlink resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] umount2("./4638/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] unlink("./4676/cgroup" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... unlink resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4638/binderfs", [pid 300] umount2("./4676/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4638/binderfs" [pid 300] newfstatat(AT_FDCWD, "./4676/cgroup.net", [pid 299] <... unlink resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] umount2("./4638/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] unlink("./4676/cgroup.net" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... unlink resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4638/cgroup", [pid 300] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] close(3 [pid 299] unlink("./4638/cgroup" [pid 300] <... close resumed>) = 0 [pid 300] rmdir("./4676" [pid 299] <... unlink resumed>) = 0 [pid 300] <... rmdir resumed>) = 0 [pid 299] umount2("./4638/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] mkdir("./4677", 0777 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... mkdir resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4638/cgroup.net", [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 4838 attached [pid 299] unlink("./4638/cgroup.net" [pid 4838] set_robust_list(0x5555557fd6a0, 24 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13740 [pid 4838] <... set_robust_list resumed>) = 0 [pid 4838] chdir("./4677" [pid 299] <... unlink resumed>) = 0 [pid 4838] <... chdir resumed>) = 0 [pid 299] getdents64(3, [pid 4838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4838] <... prctl resumed>) = 0 [pid 299] close(3 [pid 4838] setpgid(0, 0) = 0 [pid 299] <... close resumed>) = 0 [pid 4838] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 299] rmdir("./4638" [pid 4838] <... symlink resumed>) = 0 [pid 4838] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4838] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 299] <... rmdir resumed>) = 0 [pid 4838] <... symlink resumed>) = 0 [pid 4838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4833] <... close resumed>) = 0 [pid 4824] <... close resumed>) = 0 [pid 299] mkdir("./4639", 0777 [pid 4838] <... openat resumed>) = 3 [pid 4833] close(6 [pid 4824] close(6 [pid 4838] write(3, "1000", 4 [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4838] <... write resumed>) = 4 [pid 4833] close(7 [pid 4838] close(3 [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... mkdir resumed>) = 0 [pid 4838] <... close resumed>) = 0 [pid 4833] close(8 [pid 4824] close(7 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4838] symlink("/dev/binderfs", "./binderfs" [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4838] <... symlink resumed>) = 0 [pid 4833] close(9 [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4838] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4838] <... futex resumed>) = 0 [pid 4833] close(10./strace-static-x86_64: Process 4839 attached [pid 4838] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] close(8 [pid 4839] set_robust_list(0x5555557fd6a0, 24 [pid 4838] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4833] close(11 [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4839] <... set_robust_list resumed>) = 0 [pid 4838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13588 [pid 4839] chdir("./4639" [pid 4838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4833] close(12 [pid 4824] close(9 [pid 4839] <... chdir resumed>) = 0 [pid 4838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4838] <... mmap resumed>) = 0x7fba2fe97000 [pid 4833] close(13 [pid 4824] close(10 [pid 4839] <... prctl resumed>) = 0 [pid 4838] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4839] setpgid(0, 0 [pid 4838] <... mprotect resumed>) = 0 [pid 4833] close(14 [pid 4824] close(11 [pid 4839] <... setpgid resumed>) = 0 [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4839] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4833] close(15 [pid 4839] <... symlink resumed>) = 0 [pid 4838] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4839] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4833] close(16 [pid 4839] <... symlink resumed>) = 0 [pid 4838] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] close(12 [pid 4839] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4833] close(17 [pid 4839] <... symlink resumed>) = 0 [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4840 attached [pid 4839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4833] close(18 [pid 4824] close(13 [pid 4840] set_robust_list(0x7fba2feb79a0, 24 [pid 4839] <... openat resumed>) = 3 [pid 4838] <... clone3 resumed> => {parent_tid=[13741]}, 88) = 13741 [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4840] <... set_robust_list resumed>) = 0 [pid 4839] write(3, "1000", 4 [pid 4838] rt_sigprocmask(SIG_SETMASK, [], [pid 4833] close(19 [pid 4824] close(14 [pid 4840] rt_sigprocmask(SIG_SETMASK, [], [pid 4839] <... write resumed>) = 4 [pid 4838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4839] close(3 [pid 4838] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4833] close(20 [pid 4824] close(15 [pid 4840] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4839] <... close resumed>) = 0 [pid 4838] <... futex resumed>) = 0 [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4840] <... bpf resumed>) = 3 [pid 4839] symlink("/dev/binderfs", "./binderfs" [pid 4838] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4833] close(21 [pid 4824] close(16 [pid 4840] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4839] <... symlink resumed>) = 0 [pid 4838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4840] <... futex resumed>) = 0 [pid 4839] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4838] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4833] close(22 [pid 4824] close(17 [pid 4840] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4839] <... futex resumed>) = 0 [pid 4838] <... futex resumed>) = 0 [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4840] <... bpf resumed>) = 0 [pid 4839] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4838] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4833] close(23 [pid 4824] close(18 [pid 4840] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4839] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4838] <... futex resumed>) = 0 [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4840] <... futex resumed>) = 0 [pid 4839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4833] close(24 [pid 4824] close(19 [pid 4840] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4838] <... mmap resumed>) = 0x7fba2fe76000 [pid 4833] close(25 [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4839] <... mmap resumed>) = 0x7fba2fe97000 [pid 4838] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] close(20 [pid 4839] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4838] <... mprotect resumed>) = 0 [pid 4833] close(26 [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4839] <... mprotect resumed>) = 0 [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4839] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4838] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4833] close(27 [pid 4824] close(21 [pid 4839] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4838] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4833] close(28 [pid 4824] close(22./strace-static-x86_64: Process 4841 attached [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4839] <... clone3 resumed> => {parent_tid=[13589]}, 88) = 13589 [pid 4833] close(29./strace-static-x86_64: Process 4842 attached [pid 4841] set_robust_list(0x7fba2feb79a0, 24 [pid 4839] rt_sigprocmask(SIG_SETMASK, [], [pid 4833] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4842] set_robust_list(0x7fba2fe969a0, 24 [pid 4841] <... set_robust_list resumed>) = 0 [pid 4839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4838] <... clone3 resumed> => {parent_tid=[13742]}, 88) = 13742 [pid 4833] exit_group(0 [pid 4824] close(23 [pid 4842] <... set_robust_list resumed>) = 0 [pid 4841] rt_sigprocmask(SIG_SETMASK, [], [pid 4839] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4838] rt_sigprocmask(SIG_SETMASK, [], [pid 4835] <... futex resumed>) = ? [pid 4834] <... futex resumed>) = ? [pid 4833] <... exit_group resumed>) = ? [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4842] rt_sigprocmask(SIG_SETMASK, [], [pid 4841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4839] <... futex resumed>) = 0 [pid 4838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4835] +++ exited with 0 +++ [pid 4834] +++ exited with 0 +++ [pid 4833] +++ exited with 0 +++ [pid 4824] close(24 [pid 4842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4841] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4839] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4838] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4842] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4841] <... bpf resumed>) = 3 [pid 4838] <... futex resumed>) = 0 [pid 4824] close(25 [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13952, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4842] <... bpf resumed>) = 4 [pid 4841] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4838] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4842] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4841] <... futex resumed>) = 1 [pid 4839] <... futex resumed>) = 0 [pid 4838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4824] close(26 [pid 4842] <... futex resumed>) = 0 [pid 4841] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4839] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4838] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4842] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4840] <... futex resumed>) = 0 [pid 4839] <... futex resumed>) = 0 [pid 4838] <... futex resumed>) = 1 [pid 4841] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4840] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4839] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4824] close(27 [pid 302] umount2("./4749", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4841] <... bpf resumed>) = 0 [pid 4839] <... futex resumed>) = 0 [pid 4838] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4841] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4824] close(28 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4841] <... futex resumed>) = 0 [pid 4839] <... mmap resumed>) = 0x7fba2fe76000 [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] openat(AT_FDCWD, "./4749", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4841] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4839] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4824] close(29 [pid 4839] <... mprotect resumed>) = 0 [pid 4824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... openat resumed>) = 3 [pid 4839] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4824] exit_group(0 [pid 302] newfstatat(3, "", [pid 4839] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4828] <... futex resumed>) = ? [pid 4826] <... futex resumed>) = ? [pid 4824] <... exit_group resumed>) = ? [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4828] +++ exited with 0 +++ ./strace-static-x86_64: Process 4843 attached [pid 4826] +++ exited with 0 +++ [pid 4843] set_robust_list(0x7fba2fe969a0, 24 [pid 4839] <... clone3 resumed> => {parent_tid=[13590]}, 88) = 13590 [pid 4843] <... set_robust_list resumed>) = 0 [pid 4839] rt_sigprocmask(SIG_SETMASK, [], [pid 4843] rt_sigprocmask(SIG_SETMASK, [], [pid 4839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4839] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4843] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4839] <... futex resumed>) = 0 [pid 4843] <... bpf resumed>) = 4 [pid 4839] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4824] +++ exited with 0 +++ [pid 302] getdents64(3, [pid 4843] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4843] <... futex resumed>) = 0 [pid 4839] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4843] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4841] <... futex resumed>) = 0 [pid 4839] <... futex resumed>) = 1 [pid 302] umount2("./4749/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4841] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4839] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 301] umount2("./4727", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4749/cgroup.cpu", [pid 301] openat(AT_FDCWD, "./4727", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... openat resumed>) = 3 [pid 302] unlink("./4749/cgroup.cpu" [pid 301] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] <... unlink resumed>) = 0 [pid 301] umount2("./4727/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4749/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4727/cgroup.cpu", [pid 302] newfstatat(AT_FDCWD, "./4749/binderfs", [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4727/cgroup.cpu" [pid 302] unlink("./4749/binderfs" [pid 301] <... unlink resumed>) = 0 [pid 301] umount2("./4727/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] <... unlink resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4727/binderfs", [pid 302] umount2("./4749/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] unlink("./4727/binderfs" [pid 302] newfstatat(AT_FDCWD, "./4749/cgroup", [pid 301] <... unlink resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] umount2("./4727/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] unlink("./4749/cgroup" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4841] <... bpf resumed>) = 5 [pid 4840] <... bpf resumed>) = 5 [pid 4836] <... bpf resumed>) = 5 [pid 302] <... unlink resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4727/cgroup", [pid 4841] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4840] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4836] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] umount2("./4749/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4841] <... futex resumed>) = 1 [pid 4840] <... futex resumed>) = 1 [pid 4839] <... futex resumed>) = 0 [pid 4838] <... futex resumed>) = 0 [pid 4836] <... futex resumed>) = 1 [pid 4832] <... futex resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] unlink("./4727/cgroup" [pid 4841] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4840] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4839] close(3 [pid 4838] close(3 [pid 4836] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4832] close(3 [pid 302] newfstatat(AT_FDCWD, "./4749/cgroup.net", [pid 301] <... unlink resumed>) = 0 [pid 4839] <... close resumed>) = 0 [pid 4838] <... close resumed>) = 0 [pid 4832] <... close resumed>) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] umount2("./4727/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4839] close(4 [pid 4838] close(4 [pid 4832] close(4 [pid 302] unlink("./4749/cgroup.net" [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4839] <... close resumed>) = 0 [pid 4838] <... close resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4727/cgroup.net", [pid 4839] close(5 [pid 4832] <... close resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4839] <... close resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 301] unlink("./4727/cgroup.net" [pid 4839] close(6 [pid 4838] close(5 [pid 4832] close(5 [pid 302] getdents64(3, [pid 301] <... unlink resumed>) = 0 [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] getdents64(3, [pid 4839] close(7 [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4838] <... close resumed>) = 0 [pid 301] close(3 [pid 4839] close(8 [pid 4832] <... close resumed>) = 0 [pid 301] <... close resumed>) = 0 [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4838] close(6 [pid 4832] close(6 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] rmdir("./4727" [pid 4839] close(9 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] close(3 [pid 301] <... rmdir resumed>) = 0 [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4838] close(7 [pid 4832] close(7 [pid 302] <... close resumed>) = 0 [pid 301] mkdir("./4728", 0777 [pid 4839] close(10 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] rmdir("./4749" [pid 301] <... mkdir resumed>) = 0 [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4838] close(8 [pid 4832] close(8 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4839] close(11 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 4844 attached [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13859 [pid 4838] close(9 [pid 4844] set_robust_list(0x5555557fd6a0, 24 [pid 4839] close(12 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] close(9 [pid 302] mkdir("./4750", 0777 [pid 4844] <... set_robust_list resumed>) = 0 [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4838] close(10 [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4839] close(13) = -1 EBADF (Bad file descriptor) [pid 4839] close(14) = -1 EBADF (Bad file descriptor) [pid 4839] close(15) = -1 EBADF (Bad file descriptor) [pid 4839] close(16 [pid 302] <... mkdir resumed>) = 0 [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] chdir("./4728" [pid 4839] close(17 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] close(10 [pid 4844] <... chdir resumed>) = 0 [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4838] close(11 [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4839] close(18 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] close(11 [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4839] close(19) = -1 EBADF (Bad file descriptor) [pid 4839] close(20) = -1 EBADF (Bad file descriptor) [pid 4839] close(21) = -1 EBADF (Bad file descriptor) [pid 4839] close(22./strace-static-x86_64: Process 4845 attached [pid 4844] <... prctl resumed>) = 0 [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4838] close(12 [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] set_robust_list(0x5555557fd6a0, 24 [pid 4844] setpgid(0, 0 [pid 4839] close(23 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] close(12 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13955 [pid 4845] <... set_robust_list resumed>) = 0 [pid 4844] <... setpgid resumed>) = 0 [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4838] close(13 [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] chdir("./4750" [pid 4839] close(24 [pid 4845] <... chdir resumed>) = 0 [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4844] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4839] close(25 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] close(13 [pid 4845] <... prctl resumed>) = 0 [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] setpgid(0, 0 [pid 4839] close(26 [pid 4845] <... setpgid resumed>) = 0 [pid 4844] <... symlink resumed>) = 0 [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4838] close(14 [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4844] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4839] close(27 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] close(14 [pid 4845] <... symlink resumed>) = 0 [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4844] <... symlink resumed>) = 0 [pid 4839] close(28 [pid 4838] close(15 [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] <... symlink resumed>) = 0 [pid 4844] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] close(15 [pid 4845] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4839] close(29 [pid 4845] <... symlink resumed>) = 0 [pid 4844] <... symlink resumed>) = 0 [pid 4839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4838] close(16 [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4839] exit_group(0 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] close(16 [pid 4845] <... openat resumed>) = 3 [pid 4844] <... openat resumed>) = 3 [pid 4843] <... futex resumed>) = ? [pid 4841] <... futex resumed>) = ? [pid 4839] <... exit_group resumed>) = ? [pid 4838] close(17 [pid 4845] write(3, "1000", 4 [pid 4844] write(3, "1000", 4 [pid 4843] +++ exited with 0 +++ [pid 4841] +++ exited with 0 +++ [pid 4839] +++ exited with 0 +++ [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] <... write resumed>) = 4 [pid 4844] <... write resumed>) = 4 [pid 4838] close(18 [pid 4832] close(17 [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13588, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4845] close(3) = 0 [pid 4844] close(3 [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] symlink("/dev/binderfs", "./binderfs" [pid 4844] <... close resumed>) = 0 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] close(18 [pid 4845] <... symlink resumed>) = 0 [pid 4844] symlink("/dev/binderfs", "./binderfs" [pid 4838] close(19 [pid 4845] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] <... futex resumed>) = 0 [pid 4845] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4844] <... symlink resumed>) = 0 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4832] close(19 [pid 299] umount2("./4639", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4844] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4838] close(20 [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4844] <... futex resumed>) = 0 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4845] <... mmap resumed>) = 0x7fba2fe97000 [pid 4844] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4832] close(20 [pid 4845] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4844] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4838] close(21 [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] openat(AT_FDCWD, "./4639", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4845] <... mprotect resumed>) = 0 [pid 4844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] close(21 [pid 4845] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4838] close(22 [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... openat resumed>) = 3 [pid 4845] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] close(22 [pid 299] newfstatat(3, "", [pid 4845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4844] <... mmap resumed>) = 0x7fba2fe97000 [pid 4838] close(23 [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4846 attached [pid 4844] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] close(23 [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4846] set_robust_list(0x7fba2feb79a0, 24 [pid 4845] <... clone3 resumed> => {parent_tid=[13956]}, 88) = 13956 [pid 4844] <... mprotect resumed>) = 0 [pid 4838] close(24 [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4846] <... set_robust_list resumed>) = 0 [pid 4845] rt_sigprocmask(SIG_SETMASK, [], [pid 299] getdents64(3, [pid 4845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4844] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4845] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4846] rt_sigprocmask(SIG_SETMASK, [], [pid 4845] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4832] close(24 [pid 4846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4844] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4838] close(25 [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4846] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] close(25 [pid 299] umount2("./4639/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4846] <... bpf resumed>) = 3 ./strace-static-x86_64: Process 4847 attached [pid 4847] set_robust_list(0x7fba2feb79a0, 24) = 0 [pid 4847] rt_sigprocmask(SIG_SETMASK, [], [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4846] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4844] <... clone3 resumed> => {parent_tid=[13860]}, 88) = 13860 [pid 4838] close(26 [pid 4832] close(26 [pid 299] newfstatat(AT_FDCWD, "./4639/cgroup.cpu", [pid 4847] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4846] <... futex resumed>) = 1 [pid 4845] <... futex resumed>) = 0 [pid 4844] rt_sigprocmask(SIG_SETMASK, [], [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4846] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4845] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4838] close(27 [pid 4845] <... futex resumed>) = 0 [pid 4832] close(27 [pid 299] unlink("./4639/cgroup.cpu" [pid 4846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4845] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4844] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] <... futex resumed>) = 0 [pid 4845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4847] <... futex resumed>) = 0 [pid 4846] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4845] <... mmap resumed>) = 0x7fba2fe76000 [pid 4844] <... futex resumed>) = 1 [pid 4838] close(28 [pid 4832] close(28 [pid 299] <... unlink resumed>) = 0 [pid 4847] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4845] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4847] <... bpf resumed>) = 3 [pid 4846] <... bpf resumed>) = 0 [pid 4845] <... mprotect resumed>) = 0 [pid 4844] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] umount2("./4639/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4847] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4846] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4845] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4838] close(29 [pid 4832] close(29 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4847] <... futex resumed>) = 0 [pid 4846] <... futex resumed>) = 0 [pid 4845] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4844] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4838] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 299] newfstatat(AT_FDCWD, "./4639/binderfs", [pid 4847] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4846] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4844] <... futex resumed>) = 0 [pid 4838] exit_group(0 [pid 4832] exit_group(0./strace-static-x86_64: Process 4848 attached [pid 4847] <... bpf resumed>) = 0 [pid 4844] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4842] <... futex resumed>) = ? [pid 4840] <... futex resumed>) = ? [pid 4838] <... exit_group resumed>) = ? [pid 4837] <... futex resumed>) = ? [pid 4836] <... futex resumed>) = ? [pid 4832] <... exit_group resumed>) = ? [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4848] set_robust_list(0x7fba2fe969a0, 24 [pid 4847] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4845] <... clone3 resumed> => {parent_tid=[13957]}, 88) = 13957 [pid 4844] <... futex resumed>) = 0 [pid 4842] +++ exited with 0 +++ [pid 4840] +++ exited with 0 +++ [pid 4837] +++ exited with 0 +++ [pid 4848] <... set_robust_list resumed>) = 0 [pid 4847] <... futex resumed>) = 0 [pid 4845] rt_sigprocmask(SIG_SETMASK, [], [pid 4848] rt_sigprocmask(SIG_SETMASK, [], [pid 4847] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4845] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4838] +++ exited with 0 +++ [pid 4836] +++ exited with 0 +++ [pid 4848] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4845] <... futex resumed>) = 0 [pid 4848] <... bpf resumed>) = 4 [pid 4845] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4832] +++ exited with 0 +++ [pid 299] unlink("./4639/binderfs" [pid 4848] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4844] <... mmap resumed>) = 0x7fba2fe76000 [pid 4848] <... futex resumed>) = 0 [pid 4845] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4848] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4845] <... futex resumed>) = 1 [pid 4845] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4846] <... futex resumed>) = 0 [pid 4844] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14021, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 299] <... unlink resumed>) = 0 [pid 4846] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4844] <... mprotect resumed>) = 0 [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 299] umount2("./4639/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4844] rt_sigprocmask(SIG_BLOCK, ~[], [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4844] <... rt_sigprocmask resumed>[], 8) = 0 [pid 303] <... restart_syscall resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4639/cgroup", [pid 4844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 300] umount2("./4677", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 4849 attached [pid 4846] <... bpf resumed>) = 5 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4639/cgroup" [pid 4849] set_robust_list(0x7fba2fe969a0, 24 [pid 4846] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4844] <... clone3 resumed> => {parent_tid=[13861]}, 88) = 13861 [pid 303] umount2("./4782", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] openat(AT_FDCWD, "./4677", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4849] <... set_robust_list resumed>) = 0 [pid 4844] rt_sigprocmask(SIG_SETMASK, [], [pid 299] <... unlink resumed>) = 0 [pid 4846] <... futex resumed>) = 1 [pid 4845] <... futex resumed>) = 0 [pid 4849] rt_sigprocmask(SIG_SETMASK, [], [pid 4846] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4845] close(3 [pid 4844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... openat resumed>) = 3 [pid 299] umount2("./4639/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4845] <... close resumed>) = 0 [pid 4844] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] openat(AT_FDCWD, "./4782", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 300] newfstatat(3, "", [pid 4849] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4845] close(4 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4849] <... bpf resumed>) = 4 [pid 4845] <... close resumed>) = 0 [pid 4844] <... futex resumed>) = 0 [pid 303] <... openat resumed>) = 3 [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4849] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4845] close(5 [pid 4849] <... futex resumed>) = 0 [pid 4845] <... close resumed>) = 0 [pid 4844] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4849] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4845] close(6) = -1 EBADF (Bad file descriptor) [pid 4845] close(7) = -1 EBADF (Bad file descriptor) [pid 303] newfstatat(3, "", [pid 299] newfstatat(AT_FDCWD, "./4639/cgroup.net", [pid 4845] close(8 [pid 4844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 303] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] getdents64(3, [pid 4845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] getdents64(3, [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4847] <... futex resumed>) = 0 [pid 4845] close(9 [pid 4844] <... futex resumed>) = 1 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4847] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] umount2("./4677/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] unlink("./4639/cgroup.net" [pid 4845] close(10 [pid 303] umount2("./4782/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] close(11) = -1 EBADF (Bad file descriptor) [pid 299] <... unlink resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4845] close(12 [pid 303] newfstatat(AT_FDCWD, "./4782/cgroup.cpu", [pid 300] newfstatat(AT_FDCWD, "./4677/cgroup.cpu", [pid 299] getdents64(3, [pid 4845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4845] close(13 [pid 303] unlink("./4782/cgroup.cpu" [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] close(14) = -1 EBADF (Bad file descriptor) [pid 4845] close(15 [pid 303] <... unlink resumed>) = 0 [pid 300] unlink("./4677/cgroup.cpu" [pid 299] close(3 [pid 4845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] umount2("./4782/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4845] close(16) = -1 EBADF (Bad file descriptor) [pid 300] <... unlink resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 4845] close(17 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] umount2("./4677/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] rmdir("./4639" [pid 4845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] newfstatat(AT_FDCWD, "./4782/binderfs", [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4845] close(18) = -1 EBADF (Bad file descriptor) [pid 4845] close(19) = -1 EBADF (Bad file descriptor) [pid 4845] close(20) = -1 EBADF (Bad file descriptor) [pid 299] <... rmdir resumed>) = 0 [pid 4845] close(21 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] newfstatat(AT_FDCWD, "./4677/binderfs", [pid 299] mkdir("./4640", 0777 [pid 4845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] unlink("./4782/binderfs" [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4845] close(22) = -1 EBADF (Bad file descriptor) [pid 4845] close(23) = -1 EBADF (Bad file descriptor) [pid 4845] close(24) = -1 EBADF (Bad file descriptor) [pid 4845] close(25 [pid 299] <... mkdir resumed>) = 0 [pid 4845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] close(26) = -1 EBADF (Bad file descriptor) [pid 4845] close(27 [pid 303] <... unlink resumed>) = 0 [pid 4845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] umount2("./4782/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] unlink("./4677/binderfs" [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4845] close(28 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4845] close(29) = -1 EBADF (Bad file descriptor) [pid 303] newfstatat(AT_FDCWD, "./4782/cgroup", [pid 300] <... unlink resumed>) = 0 [pid 4845] exit_group(0 [pid 4848] <... futex resumed>) = ? [pid 4846] <... futex resumed>) = ? [pid 4845] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 4850 attached [pid 4848] +++ exited with 0 +++ [pid 4846] +++ exited with 0 +++ [pid 4845] +++ exited with 0 +++ [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] umount2("./4677/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4850] set_robust_list(0x5555557fd6a0, 24 [pid 303] unlink("./4782/cgroup" [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13955, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4850] <... set_robust_list resumed>) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13591 [pid 4850] chdir("./4640" [pid 303] <... unlink resumed>) = 0 [pid 4850] <... chdir resumed>) = 0 [pid 303] umount2("./4782/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] newfstatat(AT_FDCWD, "./4677/cgroup", [pid 4850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4850] <... prctl resumed>) = 0 [pid 303] newfstatat(AT_FDCWD, "./4782/cgroup.net", [pid 302] umount2("./4750", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4850] setpgid(0, 0 [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] unlink("./4677/cgroup" [pid 4850] <... setpgid resumed>) = 0 [pid 303] unlink("./4782/cgroup.net" [pid 302] openat(AT_FDCWD, "./4750", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4850] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 300] <... unlink resumed>) = 0 [pid 4850] <... symlink resumed>) = 0 [pid 303] <... unlink resumed>) = 0 [pid 302] <... openat resumed>) = 3 [pid 300] umount2("./4677/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4850] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 303] getdents64(3, [pid 302] newfstatat(3, "", [pid 4850] <... symlink resumed>) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4850] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 303] close(3 [pid 302] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4850] <... symlink resumed>) = 0 [pid 303] <... close resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4677/cgroup.net", [pid 4850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 303] rmdir("./4782" [pid 302] getdents64(3, [pid 4850] <... openat resumed>) = 3 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4850] write(3, "1000", 4) = 4 [pid 4850] close(3) = 0 [pid 4850] symlink("/dev/binderfs", "./binderfs") = 0 [pid 303] <... rmdir resumed>) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] unlink("./4677/cgroup.net" [pid 4850] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] mkdir("./4783", 0777 [pid 302] umount2("./4750/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4850] <... futex resumed>) = 0 [pid 300] <... unlink resumed>) = 0 [pid 4850] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4850] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 303] <... mkdir resumed>) = 0 [pid 4850] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] getdents64(3, [pid 4850] <... mprotect resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4750/cgroup.cpu", [pid 4850] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4851 attached [pid 4851] set_robust_list(0x7fba2feb79a0, 24 [pid 4850] <... clone3 resumed> => {parent_tid=[13592]}, 88) = 13592 ./strace-static-x86_64: Process 4852 attached [pid 4851] <... set_robust_list resumed>) = 0 [pid 4850] rt_sigprocmask(SIG_SETMASK, [], [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4852] set_robust_list(0x5555557fd6a0, 24 [pid 4851] rt_sigprocmask(SIG_SETMASK, [], [pid 4850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 14024 [pid 302] unlink("./4750/cgroup.cpu" [pid 300] close(3 [pid 4852] <... set_robust_list resumed>) = 0 [pid 4851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4850] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4852] chdir("./4783" [pid 4851] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4850] <... futex resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 4852] <... chdir resumed>) = 0 [pid 4851] <... bpf resumed>) = 3 [pid 4850] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... close resumed>) = 0 [pid 4852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 302] umount2("./4750/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4851] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] rmdir("./4677" [pid 4852] setpgid(0, 0 [pid 4851] <... futex resumed>) = 1 [pid 4850] <... futex resumed>) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4852] <... setpgid resumed>) = 0 [pid 4850] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4852] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4850] <... futex resumed>) = 0 [pid 4852] <... symlink resumed>) = 0 [pid 4851] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4850] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] newfstatat(AT_FDCWD, "./4750/binderfs", [pid 300] <... rmdir resumed>) = 0 [pid 4852] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4850] <... futex resumed>) = 0 [pid 4852] <... symlink resumed>) = 0 [pid 4851] <... bpf resumed>) = 0 [pid 4850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4852] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4851] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4850] <... mmap resumed>) = 0x7fba2fe76000 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] mkdir("./4678", 0777 [pid 4852] <... symlink resumed>) = 0 [pid 4851] <... futex resumed>) = 0 [pid 4850] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 302] unlink("./4750/binderfs" [pid 4852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4850] <... mprotect resumed>) = 0 [pid 4852] <... openat resumed>) = 3 [pid 4850] rt_sigprocmask(SIG_BLOCK, ~[], [pid 300] <... mkdir resumed>) = 0 [pid 4852] write(3, "1000", 4 [pid 4850] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4851] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] <... unlink resumed>) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4852] <... write resumed>) = 4 [pid 4850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 302] umount2("./4750/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 4853 attached [pid 4852] close(3 [pid 4853] set_robust_list(0x7fba2fe969a0, 24 [pid 4852] <... close resumed>) = 0 [pid 4850] <... clone3 resumed> => {parent_tid=[13593]}, 88) = 13593 [pid 4853] <... set_robust_list resumed>) = 0 [pid 4852] symlink("/dev/binderfs", "./binderfs" [pid 4850] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 4854 attached [pid 4853] rt_sigprocmask(SIG_SETMASK, [], [pid 4852] <... symlink resumed>) = 0 [pid 4850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4854] set_robust_list(0x5555557fd6a0, 24 [pid 4853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4852] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4850] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4854] <... set_robust_list resumed>) = 0 [pid 4853] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4852] <... futex resumed>) = 0 [pid 4850] <... futex resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4750/cgroup", [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13743 [pid 4854] chdir("./4678" [pid 4852] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4854] <... chdir resumed>) = 0 [pid 4852] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4850] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4854] <... prctl resumed>) = 0 [pid 4852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4854] setpgid(0, 0 [pid 4853] <... bpf resumed>) = 4 [pid 4852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4854] <... setpgid resumed>) = 0 [pid 4853] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4852] <... mmap resumed>) = 0x7fba2fe97000 [pid 302] unlink("./4750/cgroup" [pid 4854] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 4853] <... futex resumed>) = 1 [pid 4852] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4850] <... futex resumed>) = 0 [pid 4854] <... symlink resumed>) = 0 [pid 4853] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4852] <... mprotect resumed>) = 0 [pid 4850] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... unlink resumed>) = 0 [pid 4854] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4854] <... symlink resumed>) = 0 [pid 4852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4851] <... futex resumed>) = 0 [pid 4850] <... futex resumed>) = 1 [pid 302] umount2("./4750/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4854] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 4852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4851] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4850] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4855 attached [pid 4854] <... symlink resumed>) = 0 [pid 4855] set_robust_list(0x7fba2feb79a0, 24 [pid 4854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4852] <... clone3 resumed> => {parent_tid=[14025]}, 88) = 14025 [pid 302] newfstatat(AT_FDCWD, "./4750/cgroup.net", [pid 4855] <... set_robust_list resumed>) = 0 [pid 4854] <... openat resumed>) = 3 [pid 4852] rt_sigprocmask(SIG_SETMASK, [], [pid 4855] rt_sigprocmask(SIG_SETMASK, [], [pid 4854] write(3, "1000", 4 [pid 4852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4854] <... write resumed>) = 4 [pid 4852] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] unlink("./4750/cgroup.net" [pid 4855] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4854] close(3 [pid 4852] <... futex resumed>) = 0 [pid 4855] <... bpf resumed>) = 3 [pid 4854] <... close resumed>) = 0 [pid 4852] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 302] <... unlink resumed>) = 0 [pid 4855] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4854] symlink("/dev/binderfs", "./binderfs" [pid 4852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 302] getdents64(3, [pid 4855] <... futex resumed>) = 0 [pid 4854] <... symlink resumed>) = 0 [pid 4852] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4855] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4854] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4852] <... futex resumed>) = 0 [pid 4851] <... bpf resumed>) = 5 [pid 4847] <... bpf resumed>) = 5 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4854] <... futex resumed>) = 0 [pid 4852] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4851] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4847] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4855] <... bpf resumed>) = 0 [pid 4854] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4852] <... futex resumed>) = 0 [pid 4851] <... futex resumed>) = 1 [pid 4850] <... futex resumed>) = 0 [pid 4847] <... futex resumed>) = 1 [pid 4844] <... futex resumed>) = 0 [pid 302] close(3 [pid 4855] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4854] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4851] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4850] close(3 [pid 4847] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4844] close(3 [pid 4855] <... futex resumed>) = 0 [pid 4854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4852] <... mmap resumed>) = 0x7fba2fe76000 [pid 4850] <... close resumed>) = 0 [pid 4844] <... close resumed>) = 0 [pid 302] <... close resumed>) = 0 [pid 4855] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4852] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4850] close(4 [pid 4844] close(4 [pid 4854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4852] <... mprotect resumed>) = 0 [pid 4850] <... close resumed>) = 0 [pid 4844] <... close resumed>) = 0 [pid 302] rmdir("./4750" [pid 4854] <... mmap resumed>) = 0x7fba2fe97000 [pid 4852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4844] close(5 [pid 4854] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4850] close(5 [pid 4854] <... mprotect resumed>) = 0 [pid 4852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4856 attached [pid 4854] rt_sigprocmask(SIG_BLOCK, ~[], [pid 302] <... rmdir resumed>) = 0 [pid 4856] set_robust_list(0x7fba2fe969a0, 24 [pid 4854] <... rt_sigprocmask resumed>[], 8) = 0 [pid 302] mkdir("./4751", 0777 [pid 4854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4852] <... clone3 resumed> => {parent_tid=[14026]}, 88) = 14026 [pid 4856] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 4857 attached [pid 4857] set_robust_list(0x7fba2feb79a0, 24 [pid 4854] <... clone3 resumed> => {parent_tid=[13744]}, 88) = 13744 [pid 4852] rt_sigprocmask(SIG_SETMASK, [], [pid 4856] rt_sigprocmask(SIG_SETMASK, [], [pid 302] <... mkdir resumed>) = 0 [pid 4857] <... set_robust_list resumed>) = 0 [pid 4856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4854] rt_sigprocmask(SIG_SETMASK, [], [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4857] rt_sigprocmask(SIG_SETMASK, [], [pid 4856] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4854] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4857] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4854] <... futex resumed>) = 0 [pid 4852] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 4858 attached [pid 4857] <... bpf resumed>) = 3 [pid 4854] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4857] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4852] <... futex resumed>) = 0 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13958 [pid 4858] set_robust_list(0x5555557fd6a0, 24 [pid 4857] <... futex resumed>) = 0 [pid 4856] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4854] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] <... set_robust_list resumed>) = 0 [pid 4857] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4854] <... futex resumed>) = 0 [pid 4852] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4857] <... bpf resumed>) = 0 [pid 4854] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4857] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4854] <... futex resumed>) = 0 [pid 4857] <... futex resumed>) = 0 [pid 4854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4857] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4856] <... bpf resumed>) = 4 [pid 4854] <... mmap resumed>) = 0x7fba2fe76000 [pid 4858] chdir("./4751" [pid 4856] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4854] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4858] <... chdir resumed>) = 0 [pid 4856] <... futex resumed>) = 1 [pid 4854] <... mprotect resumed>) = 0 [pid 4852] <... futex resumed>) = 0 [pid 4858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4856] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4854] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4852] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] <... prctl resumed>) = 0 [pid 4854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0}./strace-static-x86_64: Process 4859 attached [pid 4858] setpgid(0, 0 [pid 4855] <... futex resumed>) = 0 [pid 4852] <... futex resumed>) = 1 [pid 4859] set_robust_list(0x7fba2fe969a0, 24 [pid 4858] <... setpgid resumed>) = 0 [pid 4855] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4854] <... clone3 resumed> => {parent_tid=[13745]}, 88) = 13745 [pid 4852] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4859] <... set_robust_list resumed>) = 0 [pid 4858] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4854] rt_sigprocmask(SIG_SETMASK, [], [pid 4859] rt_sigprocmask(SIG_SETMASK, [], [pid 4854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4854] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4854] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4858] <... symlink resumed>) = 0 [pid 4859] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4858] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4859] <... bpf resumed>) = 4 [pid 4858] <... symlink resumed>) = 0 [pid 4859] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 4859] <... futex resumed>) = 1 [pid 4854] <... futex resumed>) = 0 [pid 4859] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4854] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4857] <... futex resumed>) = 0 [pid 4854] <... futex resumed>) = 1 [pid 4858] <... openat resumed>) = 3 [pid 4857] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4854] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4858] write(3, "1000", 4) = 4 [pid 4858] close(3) = 0 [pid 4858] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4858] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4858] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4858] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4858] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0}./strace-static-x86_64: Process 4860 attached [pid 4860] set_robust_list(0x7fba2feb79a0, 24) = 0 [pid 4858] <... clone3 resumed> => {parent_tid=[13959]}, 88) = 13959 [pid 4860] rt_sigprocmask(SIG_SETMASK, [], [pid 4858] rt_sigprocmask(SIG_SETMASK, [], [pid 4860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4860] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4858] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4858] <... futex resumed>) = 0 [pid 4860] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4858] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4860] <... bpf resumed>) = 3 [pid 4860] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4858] <... futex resumed>) = 0 [pid 4860] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4858] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4860] <... bpf resumed>) = 0 [pid 4858] <... futex resumed>) = 0 [pid 4860] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4860] <... futex resumed>) = 0 [pid 4858] <... futex resumed>) = 0 [pid 4860] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4858] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4860] <... bpf resumed>) = 4 [pid 4860] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 4858] <... futex resumed>) = 0 [pid 4860] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4858] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4858] <... futex resumed>) = 0 [pid 4860] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4858] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4844] <... close resumed>) = 0 [pid 4850] <... close resumed>) = 0 [pid 4850] close(6 [pid 4844] close(6 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(7 [pid 4844] close(7 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(8 [pid 4844] close(8 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(9 [pid 4844] close(9 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(10 [pid 4844] close(10 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(11 [pid 4844] close(11 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(12 [pid 4844] close(12 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(13 [pid 4844] close(13 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(14) = -1 EBADF (Bad file descriptor) [pid 4844] close(14 [pid 4850] close(15 [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] close(15 [pid 4850] close(16 [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(17 [pid 4844] close(16 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(18 [pid 4844] close(17 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(19 [pid 4844] close(18 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(20 [pid 4844] close(19 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(21 [pid 4844] close(20 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(22 [pid 4844] close(21 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(23 [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] close(22 [pid 4850] close(24 [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] close(23 [pid 4850] close(25 [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(26 [pid 4844] close(24 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(27 [pid 4844] close(25 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(28 [pid 4844] close(26 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] close(29 [pid 4844] close(27 [pid 4850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4850] exit_group(0 [pid 4844] close(28 [pid 4853] <... futex resumed>) = ? [pid 4851] <... futex resumed>) = ? [pid 4850] <... exit_group resumed>) = ? [pid 4844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4853] +++ exited with 0 +++ [pid 4851] +++ exited with 0 +++ [pid 4850] +++ exited with 0 +++ [pid 4844] close(29) = -1 EBADF (Bad file descriptor) [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4844] exit_group(0 [pid 4849] <... futex resumed>) = ? [pid 4847] <... futex resumed>) = ? [pid 4844] <... exit_group resumed>) = ? [pid 4849] +++ exited with 0 +++ [pid 4847] +++ exited with 0 +++ [pid 4844] +++ exited with 0 +++ [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13859, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 299] umount2("./4640", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./4640", 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 301] <... restart_syscall resumed>) = 0 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] umount2("./4728", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] umount2("./4640/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] openat(AT_FDCWD, "./4728", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] newfstatat(AT_FDCWD, "./4640/cgroup.cpu", [pid 301] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] umount2("./4728/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4640/cgroup.cpu" [pid 301] newfstatat(AT_FDCWD, "./4728/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4728/cgroup.cpu") = 0 [pid 299] <... unlink resumed>) = 0 [pid 301] umount2("./4728/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] umount2("./4640/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4728/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4728/binderfs" [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... unlink resumed>) = 0 [pid 299] newfstatat(AT_FDCWD, "./4640/binderfs", [pid 301] umount2("./4728/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] newfstatat(AT_FDCWD, "./4728/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./4640/binderfs" [pid 301] unlink("./4728/cgroup") = 0 [pid 299] <... unlink resumed>) = 0 [pid 301] umount2("./4728/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] umount2("./4640/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4728/cgroup.net", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] newfstatat(AT_FDCWD, "./4640/cgroup", [pid 301] unlink("./4728/cgroup.net") = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] getdents64(3, [pid 299] unlink("./4640/cgroup" [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] close(3) = 0 [pid 299] <... unlink resumed>) = 0 [pid 301] rmdir("./4728") = 0 [pid 299] umount2("./4640/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] mkdir("./4729", 0777) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] newfstatat(AT_FDCWD, "./4640/cgroup.net", ./strace-static-x86_64: Process 4861 attached [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13862 [pid 4861] set_robust_list(0x5555557fd6a0, 24 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4861] <... set_robust_list resumed>) = 0 [pid 299] unlink("./4640/cgroup.net" [pid 4861] chdir("./4729") = 0 [pid 299] <... unlink resumed>) = 0 [pid 4861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] getdents64(3, [pid 4861] <... prctl resumed>) = 0 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4861] setpgid(0, 0 [pid 299] close(3 [pid 4861] <... setpgid resumed>) = 0 [pid 299] <... close resumed>) = 0 [pid 4861] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 299] rmdir("./4640" [pid 4861] <... symlink resumed>) = 0 [pid 4861] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 299] <... rmdir resumed>) = 0 [pid 4861] <... symlink resumed>) = 0 [pid 299] mkdir("./4641", 0777 [pid 4861] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 299] <... mkdir resumed>) = 0 [pid 4861] <... symlink resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 4862 attached [pid 4862] set_robust_list(0x5555557fd6a0, 24 [pid 4861] <... openat resumed>) = 3 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13594 [pid 4862] <... set_robust_list resumed>) = 0 [pid 4861] write(3, "1000", 4 [pid 4862] chdir("./4641") = 0 [pid 4862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4861] <... write resumed>) = 4 [pid 4862] <... prctl resumed>) = 0 [pid 4861] close(3 [pid 4862] setpgid(0, 0) = 0 [pid 4861] <... close resumed>) = 0 [pid 4862] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4861] symlink("/dev/binderfs", "./binderfs" [pid 4862] <... symlink resumed>) = 0 [pid 4862] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 4861] <... symlink resumed>) = 0 [pid 4862] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 4861] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4861] <... futex resumed>) = 0 [pid 4862] <... openat resumed>) = 3 [pid 4861] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4862] write(3, "1000", 4 [pid 4861] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4862] <... write resumed>) = 4 [pid 4862] close(3) = 0 [pid 4861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4862] symlink("/dev/binderfs", "./binderfs" [pid 4861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4862] <... symlink resumed>) = 0 [pid 4862] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4862] <... futex resumed>) = 0 [pid 4861] <... mmap resumed>) = 0x7fba2fe97000 [pid 4862] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4861] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4862] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4862] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4861] <... mprotect resumed>) = 0 [pid 4862] <... mprotect resumed>) = 0 [pid 4862] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4861] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4862] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4861] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 4863 attached [pid 4861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4863] set_robust_list(0x7fba2feb79a0, 24 [pid 4862] <... clone3 resumed> => {parent_tid=[13595]}, 88) = 13595 ./strace-static-x86_64: Process 4864 attached [pid 4862] rt_sigprocmask(SIG_SETMASK, [], [pid 4863] <... set_robust_list resumed>) = 0 [pid 4864] set_robust_list(0x7fba2feb79a0, 24 [pid 4863] rt_sigprocmask(SIG_SETMASK, [], [pid 4862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4861] <... clone3 resumed> => {parent_tid=[13863]}, 88) = 13863 [pid 4864] <... set_robust_list resumed>) = 0 [pid 4863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4862] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4860] <... bpf resumed>) = 5 [pid 4857] <... bpf resumed>) = 5 [pid 4855] <... bpf resumed>) = 5 [pid 4864] rt_sigprocmask(SIG_SETMASK, [], [pid 4863] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4862] <... futex resumed>) = 0 [pid 4861] rt_sigprocmask(SIG_SETMASK, [], [pid 4860] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4857] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4855] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4863] <... bpf resumed>) = 3 [pid 4862] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4860] <... futex resumed>) = 1 [pid 4858] <... futex resumed>) = 0 [pid 4857] <... futex resumed>) = 1 [pid 4855] <... futex resumed>) = 1 [pid 4854] <... futex resumed>) = 0 [pid 4852] <... futex resumed>) = 0 [pid 4864] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4863] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4861] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4860] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4858] close(3 [pid 4857] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4855] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4854] close(3 [pid 4852] close(3 [pid 4864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4863] <... futex resumed>) = 0 [pid 4862] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] <... futex resumed>) = 0 [pid 4858] <... close resumed>) = 0 [pid 4854] <... close resumed>) = 0 [pid 4852] <... close resumed>) = 0 [pid 4864] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4863] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4862] <... futex resumed>) = 0 [pid 4854] close(4 [pid 4852] close(4 [pid 4864] <... bpf resumed>) = 3 [pid 4862] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4858] close(4 [pid 4854] <... close resumed>) = 0 [pid 4852] <... close resumed>) = 0 [pid 4864] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4863] <... bpf resumed>) = 0 [pid 4862] <... futex resumed>) = 0 [pid 4861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4858] <... close resumed>) = 0 [pid 4854] close(5 [pid 4852] close(5 [pid 4864] <... futex resumed>) = 0 [pid 4863] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4861] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] close(5 [pid 4854] <... close resumed>) = 0 [pid 4864] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4863] <... futex resumed>) = 0 [pid 4862] <... mmap resumed>) = 0x7fba2fe76000 [pid 4861] <... futex resumed>) = 0 [pid 4854] close(6 [pid 4864] <... bpf resumed>) = 0 [pid 4863] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4862] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4861] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4862] <... mprotect resumed>) = 0 [pid 4861] <... futex resumed>) = 0 [pid 4854] close(7 [pid 4864] <... futex resumed>) = 0 [pid 4862] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4862] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4861] <... mmap resumed>) = 0x7fba2fe76000 [pid 4854] close(8 [pid 4862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 4865 attached [pid 4854] close(9 [pid 4865] set_robust_list(0x7fba2fe969a0, 24 [pid 4862] <... clone3 resumed> => {parent_tid=[13596]}, 88) = 13596 [pid 4861] <... mprotect resumed>) = 0 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] <... set_robust_list resumed>) = 0 [pid 4862] rt_sigprocmask(SIG_SETMASK, [], [pid 4861] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4854] close(10 [pid 4865] rt_sigprocmask(SIG_SETMASK, [], [pid 4862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4861] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4862] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4854] close(11 [pid 4862] <... futex resumed>) = 0 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4862] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4854] close(12./strace-static-x86_64: Process 4866 attached ) = -1 EBADF (Bad file descriptor) [pid 4866] set_robust_list(0x7fba2fe969a0, 24 [pid 4854] close(13 [pid 4866] <... set_robust_list resumed>) = 0 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] rt_sigprocmask(SIG_SETMASK, [], [pid 4854] close(14 [pid 4866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4854] close(15) = -1 EBADF (Bad file descriptor) [pid 4865] <... bpf resumed>) = 4 [pid 4861] <... clone3 resumed> => {parent_tid=[13864]}, 88) = 13864 [pid 4854] close(16 [pid 4865] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] rt_sigprocmask(SIG_SETMASK, [], [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4865] <... futex resumed>) = 1 [pid 4862] <... futex resumed>) = 0 [pid 4865] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4854] close(17 [pid 4862] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] <... futex resumed>) = 0 [pid 4863] <... futex resumed>) = 0 [pid 4862] <... futex resumed>) = 1 [pid 4861] <... futex resumed>) = 1 [pid 4854] close(18 [pid 4866] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4863] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4862] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] <... bpf resumed>) = 4 [pid 4861] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4854] close(19 [pid 4866] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] <... futex resumed>) = 0 [pid 4861] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4854] close(20 [pid 4866] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] <... futex resumed>) = 0 [pid 4861] <... futex resumed>) = 1 [pid 4864] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4861] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4854] close(21) = -1 EBADF (Bad file descriptor) [pid 4854] close(22) = -1 EBADF (Bad file descriptor) [pid 4854] close(23) = -1 EBADF (Bad file descriptor) [pid 4854] close(24) = -1 EBADF (Bad file descriptor) [pid 4854] close(25) = -1 EBADF (Bad file descriptor) [pid 4854] close(26) = -1 EBADF (Bad file descriptor) [pid 4854] close(27) = -1 EBADF (Bad file descriptor) [pid 4854] close(28) = -1 EBADF (Bad file descriptor) [pid 4854] close(29) = -1 EBADF (Bad file descriptor) [pid 4854] exit_group(0 [pid 4859] <... futex resumed>) = ? [pid 4857] <... futex resumed>) = ? [pid 4854] <... exit_group resumed>) = ? [pid 4859] +++ exited with 0 +++ [pid 4857] +++ exited with 0 +++ [pid 4854] +++ exited with 0 +++ [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13743, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 300] umount2("./4678", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] openat(AT_FDCWD, "./4678", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 300] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 300] umount2("./4678/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4678/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4678/cgroup.cpu") = 0 [pid 300] umount2("./4678/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4678/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4678/binderfs") = 0 [pid 300] umount2("./4678/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4678/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4678/cgroup") = 0 [pid 300] umount2("./4678/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4678/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] unlink("./4678/cgroup.net") = 0 [pid 300] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] close(3) = 0 [pid 300] rmdir("./4678") = 0 [pid 300] mkdir("./4679", 0777) = 0 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4867 attached [pid 4867] set_robust_list(0x5555557fd6a0, 24 [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13746 [pid 4867] <... set_robust_list resumed>) = 0 [pid 4867] chdir("./4679") = 0 [pid 4867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4867] setpgid(0, 0) = 0 [pid 4867] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4867] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 4867] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4867] write(3, "1000", 4) = 4 [pid 4867] close(3) = 0 [pid 4867] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4867] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4867] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, NULL, 8) = 0 [pid 4867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 4867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fba2fe97000 [pid 4867] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4867] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4858] <... close resumed>) = 0 [pid 4852] <... close resumed>) = 0 [pid 4858] close(6 [pid 4852] close(6./strace-static-x86_64: Process 4868 attached [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] set_robust_list(0x7fba2feb79a0, 24 [pid 4858] close(7 [pid 4867] <... clone3 resumed> => {parent_tid=[13747]}, 88) = 13747 [pid 4852] close(7 [pid 4868] <... set_robust_list resumed>) = 0 [pid 4867] rt_sigprocmask(SIG_SETMASK, [], [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] rt_sigprocmask(SIG_SETMASK, [], [pid 4867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4858] close(8 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4867] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] close(8 [pid 4868] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4867] <... futex resumed>) = 0 [pid 4858] close(9 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] <... bpf resumed>) = 3 [pid 4867] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] close(9 [pid 4868] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4858] close(10 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] <... futex resumed>) = 0 [pid 4867] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] close(10 [pid 4868] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4867] <... futex resumed>) = 0 [pid 4858] close(11 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] close(12 [pid 4852] close(11 [pid 4868] <... bpf resumed>) = 0 [pid 4867] <... futex resumed>) = 0 [pid 4868] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] <... futex resumed>) = 0 [pid 4867] <... mmap resumed>) = 0x7fba2fe76000 [pid 4858] close(13 [pid 4852] close(12 [pid 4868] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4867] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] <... mprotect resumed>) = 0 [pid 4858] close(14 [pid 4852] close(13 [pid 4867] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4858] close(15 [pid 4852] close(14 [pid 4867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] close(16) = -1 EBADF (Bad file descriptor) [pid 4858] close(17./strace-static-x86_64: Process 4869 attached ) = -1 EBADF (Bad file descriptor) [pid 4852] close(15 [pid 4869] set_robust_list(0x7fba2fe969a0, 24 [pid 4867] <... clone3 resumed> => {parent_tid=[13748]}, 88) = 13748 [pid 4858] close(18 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4869] <... set_robust_list resumed>) = 0 [pid 4867] rt_sigprocmask(SIG_SETMASK, [], [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] close(16 [pid 4869] rt_sigprocmask(SIG_SETMASK, [], [pid 4867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4858] close(19 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4867] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] close(17 [pid 4869] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4867] <... futex resumed>) = 0 [pid 4858] close(20 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4869] <... bpf resumed>) = 4 [pid 4867] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] close(18 [pid 4869] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] close(21 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4869] <... futex resumed>) = 1 [pid 4867] <... futex resumed>) = 0 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] close(19 [pid 4869] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4867] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4858] close(22 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4868] <... futex resumed>) = 0 [pid 4867] <... futex resumed>) = 1 [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] close(20 [pid 4868] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4867] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4858] close(23 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] close(21 [pid 4858] close(24 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] close(22 [pid 4858] close(25 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] close(23 [pid 4858] close(26 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] close(24 [pid 4858] close(27 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] close(25 [pid 4858] close(28 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] close(26 [pid 4858] close(29 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] close(27 [pid 4858] exit_group(0 [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4860] <... futex resumed>) = ? [pid 4858] <... exit_group resumed>) = ? [pid 4852] close(28 [pid 4860] +++ exited with 0 +++ [pid 4858] +++ exited with 0 +++ [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] close(29 [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13958, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4852] exit_group(0 [pid 302] umount2("./4751", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] openat(AT_FDCWD, "./4751", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4856] <... futex resumed>) = ? [pid 4855] <... futex resumed>) = ? [pid 4852] <... exit_group resumed>) = ? [pid 4856] +++ exited with 0 +++ [pid 4855] +++ exited with 0 +++ [pid 302] <... openat resumed>) = 3 [pid 302] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] umount2("./4751/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4852] +++ exited with 0 +++ [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4751/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14024, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 302] unlink("./4751/cgroup.cpu" [pid 303] restart_syscall(<... resuming interrupted clone ...> [pid 302] <... unlink resumed>) = 0 [pid 303] <... restart_syscall resumed>) = 0 [pid 302] umount2("./4751/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4751/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] umount2("./4783", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] unlink("./4751/binderfs" [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... unlink resumed>) = 0 [pid 302] umount2("./4751/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] openat(AT_FDCWD, "./4783", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... openat resumed>) = 3 [pid 302] newfstatat(AT_FDCWD, "./4751/cgroup", [pid 303] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] getdents64(3, [pid 302] unlink("./4751/cgroup" [pid 303] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] <... unlink resumed>) = 0 [pid 303] umount2("./4783/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4751/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4783/cgroup.cpu", [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] newfstatat(AT_FDCWD, "./4751/cgroup.net", [pid 303] unlink("./4783/cgroup.cpu" [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] <... unlink resumed>) = 0 [pid 302] unlink("./4751/cgroup.net" [pid 303] umount2("./4783/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] <... unlink resumed>) = 0 [pid 303] newfstatat(AT_FDCWD, "./4783/binderfs", [pid 302] getdents64(3, [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] unlink("./4783/binderfs" [pid 302] close(3 [pid 303] <... unlink resumed>) = 0 [pid 303] umount2("./4783/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... close resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] newfstatat(AT_FDCWD, "./4783/cgroup", [pid 302] rmdir("./4751" [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... rmdir resumed>) = 0 [pid 303] unlink("./4783/cgroup" [pid 302] mkdir("./4752", 0777 [pid 303] <... unlink resumed>) = 0 [pid 303] umount2("./4783/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... mkdir resumed>) = 0 [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 303] newfstatat(AT_FDCWD, "./4783/cgroup.net", ./strace-static-x86_64: Process 4870 attached {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4870] set_robust_list(0x5555557fd6a0, 24 [pid 303] unlink("./4783/cgroup.net" [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13960 [pid 4870] <... set_robust_list resumed>) = 0 [pid 4870] chdir("./4752" [pid 303] <... unlink resumed>) = 0 [pid 4870] <... chdir resumed>) = 0 [pid 303] getdents64(3, [pid 4870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4870] setpgid(0, 0 [pid 303] close(3 [pid 4870] <... setpgid resumed>) = 0 [pid 303] <... close resumed>) = 0 [pid 4870] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 303] rmdir("./4783" [pid 4870] <... symlink resumed>) = 0 [pid 4870] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 303] <... rmdir resumed>) = 0 [pid 4870] <... symlink resumed>) = 0 [pid 303] mkdir("./4784", 0777 [pid 4870] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 303] <... mkdir resumed>) = 0 [pid 4870] <... symlink resumed>) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 4871 attached [pid 4871] set_robust_list(0x5555557fd6a0, 24 [pid 4870] <... openat resumed>) = 3 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 14027 [pid 4871] <... set_robust_list resumed>) = 0 [pid 4870] write(3, "1000", 4 [pid 4871] chdir("./4784") = 0 [pid 4870] <... write resumed>) = 4 [pid 4871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4870] close(3 [pid 4871] <... prctl resumed>) = 0 [pid 4864] <... bpf resumed>) = 5 [pid 4863] <... bpf resumed>) = 5 [pid 4868] <... bpf resumed>) = 5 [pid 4871] setpgid(0, 0 [pid 4870] <... close resumed>) = 0 [pid 4868] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4864] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4863] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] <... setpgid resumed>) = 0 [pid 4870] symlink("/dev/binderfs", "./binderfs" [pid 4868] <... futex resumed>) = 1 [pid 4867] <... futex resumed>) = 0 [pid 4864] <... futex resumed>) = 1 [pid 4863] <... futex resumed>) = 1 [pid 4862] <... futex resumed>) = 0 [pid 4861] <... futex resumed>) = 0 [pid 4871] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4868] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4867] close(3 [pid 4863] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4861] close(3 [pid 4871] <... symlink resumed>) = 0 [pid 4870] <... symlink resumed>) = 0 [pid 4867] <... close resumed>) = 0 [pid 4864] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4862] close(3 [pid 4861] <... close resumed>) = 0 [pid 4871] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4870] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4867] close(4 [pid 4862] <... close resumed>) = 0 [pid 4861] close(4 [pid 4871] <... symlink resumed>) = 0 [pid 4870] <... futex resumed>) = 0 [pid 4867] <... close resumed>) = 0 [pid 4862] close(4 [pid 4861] <... close resumed>) = 0 [pid 4871] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4870] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4867] close(5 [pid 4862] <... close resumed>) = 0 [pid 4861] close(5 [pid 4871] <... symlink resumed>) = 0 [pid 4870] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4867] <... close resumed>) = 0 [pid 4862] close(5 [pid 4861] <... close resumed>) = 0 [pid 4871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4867] close(6 [pid 4862] <... close resumed>) = 0 [pid 4861] close(6 [pid 4871] <... openat resumed>) = 3 [pid 4870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(6 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] write(3, "1000", 4 [pid 4870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4867] close(7 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] close(7 [pid 4871] <... write resumed>) = 4 [pid 4870] <... mmap resumed>) = 0x7fba2fe97000 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(7 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] close(3 [pid 4870] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4867] close(8 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] close(8 [pid 4871] <... close resumed>) = 0 [pid 4870] <... mprotect resumed>) = 0 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(8 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] symlink("/dev/binderfs", "./binderfs" [pid 4861] close(9 [pid 4871] <... symlink resumed>) = 0 [pid 4870] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4867] close(9 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4870] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(9 [pid 4861] close(10 [pid 4871] <... futex resumed>) = 0 [pid 4870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4867] close(10 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4872 attached [pid 4871] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4861] close(11 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(10 [pid 4872] set_robust_list(0x7fba2feb79a0, 24 [pid 4871] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4870] <... clone3 resumed> => {parent_tid=[13961]}, 88) = 13961 [pid 4867] close(11 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] <... set_robust_list resumed>) = 0 [pid 4871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4870] rt_sigprocmask(SIG_SETMASK, [], [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(11 [pid 4861] close(12 [pid 4872] rt_sigprocmask(SIG_SETMASK, [], [pid 4871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4867] close(12 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4870] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(12 [pid 4861] close(13 [pid 4872] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4871] <... mmap resumed>) = 0x7fba2fe97000 [pid 4870] <... futex resumed>) = 0 [pid 4867] close(13 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] <... bpf resumed>) = 3 [pid 4871] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4870] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(13 [pid 4861] close(14 [pid 4872] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] <... mprotect resumed>) = 0 [pid 4870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4867] close(14 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] <... futex resumed>) = 0 [pid 4871] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4870] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(14 [pid 4861] close(15 [pid 4872] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4871] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4870] <... futex resumed>) = 0 [pid 4867] close(15 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4872] <... bpf resumed>) = 0 [pid 4871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4870] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(15 [pid 4861] close(16./strace-static-x86_64: Process 4873 attached [pid 4872] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4870] <... futex resumed>) = 0 [pid 4867] close(16 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] set_robust_list(0x7fba2feb79a0, 24 [pid 4872] <... futex resumed>) = 0 [pid 4871] <... clone3 resumed> => {parent_tid=[14028]}, 88) = 14028 [pid 4870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(16 [pid 4861] close(17 [pid 4873] <... set_robust_list resumed>) = 0 [pid 4872] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4871] rt_sigprocmask(SIG_SETMASK, [], [pid 4870] <... mmap resumed>) = 0x7fba2fe76000 [pid 4867] close(17 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] rt_sigprocmask(SIG_SETMASK, [], [pid 4871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4870] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(17 [pid 4861] close(18 [pid 4873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4871] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4870] <... mprotect resumed>) = 0 [pid 4867] close(18 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4871] <... futex resumed>) = 0 [pid 4870] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(18 [pid 4861] close(19 [pid 4873] <... bpf resumed>) = 3 [pid 4871] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4870] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4867] close(19 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4873] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(19 [pid 4861] close(20 [pid 4873] <... futex resumed>) = 0 [pid 4871] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4874 attached [pid 4873] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4871] <... futex resumed>) = 0 [pid 4867] close(20 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] close(21 [pid 4874] set_robust_list(0x7fba2fe969a0, 24 [pid 4871] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... set_robust_list resumed>) = 0 [pid 4873] <... bpf resumed>) = 0 [pid 4871] <... futex resumed>) = 0 [pid 4870] <... clone3 resumed> => {parent_tid=[13962]}, 88) = 13962 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(20 [pid 4861] close(22 [pid 4874] rt_sigprocmask(SIG_SETMASK, [], [pid 4873] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4870] rt_sigprocmask(SIG_SETMASK, [], [pid 4867] close(21 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4873] <... futex resumed>) = 0 [pid 4871] <... mmap resumed>) = 0x7fba2fe76000 [pid 4870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(21 [pid 4861] close(23 [pid 4874] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4873] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4871] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4870] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4867] close(22 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4871] <... mprotect resumed>) = 0 [pid 4870] <... futex resumed>) = 0 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(22 [pid 4861] close(24 [pid 4874] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4871] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4870] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4867] close(23 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4874] <... bpf resumed>) = 4 [pid 4871] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(23 [pid 4861] close(25 [pid 4874] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4867] close(24 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4875 attached [pid 4874] <... futex resumed>) = 1 [pid 4870] <... futex resumed>) = 0 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(24 [pid 4861] close(26 [pid 4875] set_robust_list(0x7fba2fe969a0, 24 [pid 4874] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4871] <... clone3 resumed> => {parent_tid=[14029]}, 88) = 14029 [pid 4870] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4867] close(25 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] <... set_robust_list resumed>) = 0 [pid 4872] <... futex resumed>) = 0 [pid 4871] rt_sigprocmask(SIG_SETMASK, [], [pid 4870] <... futex resumed>) = 1 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(25 [pid 4861] close(27 [pid 4875] rt_sigprocmask(SIG_SETMASK, [], [pid 4872] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4870] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4867] close(26 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4871] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(26 [pid 4861] close(28 [pid 4875] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4871] <... futex resumed>) = 0 [pid 4867] close(27 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4861] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4861] close(29) = -1 EBADF (Bad file descriptor) [pid 4861] exit_group(0 [pid 4875] <... bpf resumed>) = 4 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4864] <... futex resumed>) = ? [pid 4862] close(27 [pid 4861] <... exit_group resumed>) = ? [pid 4866] <... futex resumed>) = ? [pid 4875] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4867] close(28 [pid 4864] +++ exited with 0 +++ [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4866] +++ exited with 0 +++ [pid 4861] +++ exited with 0 +++ [pid 4862] close(28 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4875] <... futex resumed>) = 1 [pid 4871] <... futex resumed>) = 0 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4867] close(29 [pid 4875] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4871] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4862] close(29 [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13862, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4873] <... futex resumed>) = 0 [pid 4871] <... futex resumed>) = 1 [pid 4873] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4871] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4867] exit_group(0 [pid 4862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 4869] <... futex resumed>) = ? [pid 4868] <... futex resumed>) = ? [pid 4867] <... exit_group resumed>) = ? [pid 4873] <... bpf resumed>) = 5 [pid 4872] <... bpf resumed>) = 5 [pid 4869] +++ exited with 0 +++ [pid 4868] +++ exited with 0 +++ [pid 4862] exit_group(0 [pid 301] <... restart_syscall resumed>) = 0 [pid 4873] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4872] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4873] <... futex resumed>) = 1 [pid 4872] <... futex resumed>) = 1 [pid 4870] <... futex resumed>) = 0 [pid 4873] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4872] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4870] close(3) = 0 [pid 4870] close(4) = 0 [pid 4867] +++ exited with 0 +++ [pid 4870] close(5 [pid 4863] <... futex resumed>) = ? [pid 4865] <... futex resumed>) = ? [pid 4862] <... exit_group resumed>) = ? [pid 4863] +++ exited with 0 +++ [pid 4865] +++ exited with 0 +++ [pid 4862] +++ exited with 0 +++ [pid 4871] <... futex resumed>) = 0 [pid 4871] close(3 [pid 301] umount2("./4729", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13594, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4871] <... close resumed>) = 0 [pid 300] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13746, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4871] close(4 [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 301] openat(AT_FDCWD, "./4729", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4871] <... close resumed>) = 0 [pid 4871] close(5 [pid 301] <... openat resumed>) = 3 [pid 300] umount2("./4679", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] newfstatat(3, "", [pid 299] <... restart_syscall resumed>) = 0 [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 300] openat(AT_FDCWD, "./4679", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 299] umount2("./4641", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... openat resumed>) = 3 [pid 301] umount2("./4729/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] newfstatat(3, "", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] newfstatat(AT_FDCWD, "./4729/cgroup.cpu", [pid 299] openat(AT_FDCWD, "./4641", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] getdents64(3, [pid 301] unlink("./4729/cgroup.cpu" [pid 299] <... openat resumed>) = 3 [pid 300] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] <... unlink resumed>) = 0 [pid 300] umount2("./4679/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] newfstatat(3, "", [pid 301] umount2("./4729/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] newfstatat(AT_FDCWD, "./4679/cgroup.cpu", [pid 301] newfstatat(AT_FDCWD, "./4729/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] getdents64(3, [pid 301] unlink("./4729/binderfs" [pid 300] unlink("./4679/cgroup.cpu" [pid 299] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 301] <... unlink resumed>) = 0 [pid 299] umount2("./4641/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] umount2("./4729/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 300] <... unlink resumed>) = 0 [pid 301] newfstatat(AT_FDCWD, "./4729/cgroup", [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] umount2("./4679/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] newfstatat(AT_FDCWD, "./4641/cgroup.cpu", [pid 301] unlink("./4729/cgroup" [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] <... unlink resumed>) = 0 [pid 300] newfstatat(AT_FDCWD, "./4679/binderfs", [pid 299] unlink("./4641/cgroup.cpu" [pid 301] umount2("./4729/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... unlink resumed>) = 0 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 300] unlink("./4679/binderfs" [pid 299] umount2("./4641/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] newfstatat(AT_FDCWD, "./4729/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] <... unlink resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] unlink("./4729/cgroup.net" [pid 300] umount2("./4679/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] newfstatat(AT_FDCWD, "./4641/binderfs", [pid 301] <... unlink resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] getdents64(3, [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4641/binderfs" [pid 301] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 300] newfstatat(AT_FDCWD, "./4679/cgroup", [pid 301] close(3 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] <... unlink resumed>) = 0 [pid 301] <... close resumed>) = 0 [pid 300] unlink("./4679/cgroup" [pid 299] umount2("./4641/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 301] rmdir("./4729" [pid 300] <... unlink resumed>) = 0 [pid 301] <... rmdir resumed>) = 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 301] mkdir("./4730", 0777 [pid 300] umount2("./4679/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 299] newfstatat(AT_FDCWD, "./4641/cgroup", [pid 301] <... mkdir resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] unlink("./4641/cgroup"./strace-static-x86_64: Process 4876 attached [pid 300] newfstatat(AT_FDCWD, "./4679/cgroup.net", [pid 4876] set_robust_list(0x5555557fd6a0, 24 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13865 [pid 299] <... unlink resumed>) = 0 [pid 4876] <... set_robust_list resumed>) = 0 [pid 300] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4876] chdir("./4730" [pid 300] unlink("./4679/cgroup.net" [pid 299] umount2("./4641/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4876] <... chdir resumed>) = 0 [pid 4876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 300] <... unlink resumed>) = 0 [pid 4876] setpgid(0, 0 [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4876] <... setpgid resumed>) = 0 [pid 300] getdents64(3, [pid 299] newfstatat(AT_FDCWD, "./4641/cgroup.net", [pid 4876] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 300] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4876] <... symlink resumed>) = 0 [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 300] close(3 [pid 4876] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 299] unlink("./4641/cgroup.net" [pid 4876] <... symlink resumed>) = 0 [pid 300] <... close resumed>) = 0 [pid 4876] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 300] rmdir("./4679" [pid 299] <... unlink resumed>) = 0 [pid 4876] <... symlink resumed>) = 0 [pid 300] <... rmdir resumed>) = 0 [pid 299] getdents64(3, [pid 4876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 300] mkdir("./4680", 0777 [pid 4876] <... openat resumed>) = 3 [pid 299] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 4876] write(3, "1000", 4 [pid 300] <... mkdir resumed>) = 0 [pid 299] close(3 [pid 4876] <... write resumed>) = 4 [pid 300] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4876] close(3 [pid 299] <... close resumed>) = 0 ./strace-static-x86_64: Process 4877 attached [pid 4876] <... close resumed>) = 0 [pid 299] rmdir("./4641" [pid 4877] set_robust_list(0x5555557fd6a0, 24 [pid 4876] symlink("/dev/binderfs", "./binderfs" [pid 300] <... clone resumed>, child_tidptr=0x5555557fd690) = 13749 [pid 4877] <... set_robust_list resumed>) = 0 [pid 4877] chdir("./4680") = 0 [pid 299] <... rmdir resumed>) = 0 [pid 4877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4877] setpgid(0, 0 [pid 4876] <... symlink resumed>) = 0 [pid 299] mkdir("./4642", 0777 [pid 4877] <... setpgid resumed>) = 0 [pid 4876] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4877] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 4876] <... futex resumed>) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 4877] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 4876] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4877] <... symlink resumed>) = 0 [pid 4876] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4877] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 4877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 4878 attached ) = 3 [pid 4876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4878] set_robust_list(0x5555557fd6a0, 24 [pid 4877] write(3, "1000", 4 [pid 4876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] <... clone resumed>, child_tidptr=0x5555557fd690) = 13597 [pid 4878] <... set_robust_list resumed>) = 0 [pid 4877] <... write resumed>) = 4 [pid 4876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4878] chdir("./4642" [pid 4877] close(3 [pid 4878] <... chdir resumed>) = 0 [pid 4877] <... close resumed>) = 0 [pid 4876] <... mmap resumed>) = 0x7fba2fe97000 [pid 4878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4877] symlink("/dev/binderfs", "./binderfs" [pid 4876] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4878] <... prctl resumed>) = 0 [pid 4877] <... symlink resumed>) = 0 [pid 4878] setpgid(0, 0 [pid 4877] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4876] <... mprotect resumed>) = 0 [pid 4878] <... setpgid resumed>) = 0 [pid 4877] <... futex resumed>) = 0 [pid 4878] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 4877] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4878] <... symlink resumed>) = 0 [pid 4877] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4876] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4878] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 4877] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4878] <... symlink resumed>) = 0 [pid 4877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4876] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4878] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 4877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4878] <... symlink resumed>) = 0 [pid 4877] <... mmap resumed>) = 0x7fba2fe97000 [pid 4878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4877] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 4879 attached [pid 4878] <... openat resumed>) = 3 [pid 4877] <... mprotect resumed>) = 0 [pid 4879] set_robust_list(0x7fba2feb79a0, 24 [pid 4878] write(3, "1000", 4 [pid 4877] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4876] <... clone3 resumed> => {parent_tid=[13866]}, 88) = 13866 [pid 4879] <... set_robust_list resumed>) = 0 [pid 4878] <... write resumed>) = 4 [pid 4877] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4876] rt_sigprocmask(SIG_SETMASK, [], [pid 4879] rt_sigprocmask(SIG_SETMASK, [], [pid 4878] close(3 [pid 4877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4876] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 4880 attached [pid 4879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4878] <... close resumed>) = 0 [pid 4876] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4880] set_robust_list(0x7fba2feb79a0, 24 [pid 4879] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4878] symlink("/dev/binderfs", "./binderfs" [pid 4877] <... clone3 resumed> => {parent_tid=[13750]}, 88) = 13750 [pid 4876] <... futex resumed>) = 0 [pid 4880] <... set_robust_list resumed>) = 0 [pid 4879] <... bpf resumed>) = 3 [pid 4878] <... symlink resumed>) = 0 [pid 4877] rt_sigprocmask(SIG_SETMASK, [], [pid 4880] rt_sigprocmask(SIG_SETMASK, [], [pid 4879] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4878] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4876] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4879] <... futex resumed>) = 0 [pid 4878] <... futex resumed>) = 0 [pid 4877] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4880] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4879] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4878] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4877] <... futex resumed>) = 0 [pid 4876] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4878] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4877] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4879] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4878] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4880] <... bpf resumed>) = 3 [pid 4879] <... bpf resumed>) = 0 [pid 4878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4876] <... futex resumed>) = 0 [pid 4871] <... close resumed>) = 0 [pid 4870] <... close resumed>) = 0 [pid 4880] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4879] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4876] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] close(6 [pid 4870] close(6 [pid 4880] <... futex resumed>) = 1 [pid 4879] <... futex resumed>) = 0 [pid 4878] <... mmap resumed>) = 0x7fba2fe97000 [pid 4877] <... futex resumed>) = 0 [pid 4876] <... futex resumed>) = 0 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4879] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4878] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4877] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4876] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4871] close(7 [pid 4870] close(7 [pid 4880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4879] <... bpf resumed>) = 4 [pid 4878] <... mprotect resumed>) = 0 [pid 4877] <... futex resumed>) = 0 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4879] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4878] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4877] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] close(8 [pid 4870] close(8 [pid 4879] <... futex resumed>) = 1 [pid 4878] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4876] <... futex resumed>) = 0 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... bpf resumed>) = 0 [pid 4879] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4877] <... futex resumed>) = 0 [pid 4876] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] close(9 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4881 attached [pid 4880] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4876] <... futex resumed>) = 0 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(9 [pid 4881] set_robust_list(0x7fba2feb79a0, 24 [pid 4880] <... futex resumed>) = 0 [pid 4879] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4878] <... clone3 resumed> => {parent_tid=[13598]}, 88) = 13598 [pid 4877] <... mmap resumed>) = 0x7fba2fe76000 [pid 4876] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4871] close(10 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... set_robust_list resumed>) = 0 [pid 4880] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4878] rt_sigprocmask(SIG_SETMASK, [], [pid 4877] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(10 [pid 4881] rt_sigprocmask(SIG_SETMASK, [], [pid 4878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4877] <... mprotect resumed>) = 0 [pid 4871] close(11 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4878] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... futex resumed>) = 0 [pid 4871] close(12 [pid 4878] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4877] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(11 [pid 4881] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4877] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4871] close(13 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] <... bpf resumed>) = 3 [pid 4877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(12 [pid 4881] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] close(14./strace-static-x86_64: Process 4882 attached ) = -1 EBADF (Bad file descriptor) [pid 4882] set_robust_list(0x7fba2fe969a0, 24 [pid 4871] close(15 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... set_robust_list resumed>) = 0 [pid 4881] <... futex resumed>) = 1 [pid 4878] <... futex resumed>) = 0 [pid 4877] <... clone3 resumed> => {parent_tid=[13751]}, 88) = 13751 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(13 [pid 4882] rt_sigprocmask(SIG_SETMASK, [], [pid 4881] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4878] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4877] rt_sigprocmask(SIG_SETMASK, [], [pid 4871] close(16 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4878] <... futex resumed>) = 0 [pid 4877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(14 [pid 4882] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4881] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4878] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4877] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] close(17 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4878] <... futex resumed>) = 0 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4871] close(18 [pid 4882] <... bpf resumed>) = 4 [pid 4881] <... bpf resumed>) = 0 [pid 4878] <... mmap resumed>) = 0x7fba2fe76000 [pid 4877] <... futex resumed>) = 0 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(15 [pid 4882] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4881] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4878] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4877] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4871] close(19 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4882] <... futex resumed>) = 0 [pid 4881] <... futex resumed>) = 0 [pid 4878] <... mprotect resumed>) = 0 [pid 4877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(16 [pid 4882] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4881] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4878] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4877] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] close(20 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4880] <... futex resumed>) = 0 [pid 4878] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4877] <... futex resumed>) = 1 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(17 [pid 4880] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4877] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4871] close(21 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4883 attached [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(18 [pid 4883] set_robust_list(0x7fba2fe969a0, 24 [pid 4878] <... clone3 resumed> => {parent_tid=[13599]}, 88) = 13599 [pid 4871] close(22 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] <... set_robust_list resumed>) = 0 [pid 4878] rt_sigprocmask(SIG_SETMASK, [], [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4883] rt_sigprocmask(SIG_SETMASK, [], [pid 4878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4871] close(23 [pid 4870] close(19 [pid 4883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4878] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4878] <... futex resumed>) = 0 [pid 4871] close(24 [pid 4883] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4878] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4870] close(20 [pid 4871] close(25) = -1 EBADF (Bad file descriptor) [pid 4871] close(26) = -1 EBADF (Bad file descriptor) [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4871] close(27) = -1 EBADF (Bad file descriptor) [pid 4871] close(28) = -1 EBADF (Bad file descriptor) [pid 4871] close(29) = -1 EBADF (Bad file descriptor) [pid 4883] <... bpf resumed>) = 4 [pid 4871] exit_group(0 [pid 4883] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4875] <... futex resumed>) = ? [pid 4873] <... futex resumed>) = ? [pid 4871] <... exit_group resumed>) = ? [pid 4870] close(21 [pid 4883] <... futex resumed>) = 1 [pid 4878] <... futex resumed>) = 0 [pid 4875] +++ exited with 0 +++ [pid 4873] +++ exited with 0 +++ [pid 4871] +++ exited with 0 +++ [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4883] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4878] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4870] close(22 [pid 4881] <... futex resumed>) = 0 [pid 4878] <... futex resumed>) = 1 [pid 4870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4881] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4878] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 4870] close(23) = -1 EBADF (Bad file descriptor) [pid 4870] close(24) = -1 EBADF (Bad file descriptor) [pid 4870] close(25) = -1 EBADF (Bad file descriptor) [pid 4870] close(26) = -1 EBADF (Bad file descriptor) [pid 4870] close(27) = -1 EBADF (Bad file descriptor) [pid 4870] close(28) = -1 EBADF (Bad file descriptor) [pid 4870] close(29) = -1 EBADF (Bad file descriptor) [pid 4870] exit_group(0 [pid 4872] <... futex resumed>) = ? [pid 4874] <... futex resumed>) = ? [pid 4870] <... exit_group resumed>) = ? [pid 4872] +++ exited with 0 +++ [pid 4874] +++ exited with 0 +++ [pid 4870] +++ exited with 0 +++ [pid 302] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 303] umount2("./4784", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] restart_syscall(<... resuming interrupted clone ...> [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] openat(AT_FDCWD, "./4784", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 303] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 303] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 302] <... restart_syscall resumed>) = 0 [pid 303] umount2("./4784/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] umount2("./4752", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] newfstatat(AT_FDCWD, "./4784/cgroup.cpu", [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] openat(AT_FDCWD, "./4752", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 303] unlink("./4784/cgroup.cpu" [pid 302] <... openat resumed>) = 3 [pid 302] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 302] getdents64(3, 0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 303] <... unlink resumed>) = 0 [pid 302] umount2("./4752/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 303] umount2("./4784/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4752/cgroup.cpu", [pid 303] newfstatat(AT_FDCWD, "./4784/binderfs", [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4752/cgroup.cpu" [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... unlink resumed>) = 0 [pid 303] unlink("./4784/binderfs" [pid 302] umount2("./4752/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4752/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] unlink("./4752/binderfs" [pid 303] <... unlink resumed>) = 0 [pid 302] <... unlink resumed>) = 0 [pid 303] umount2("./4784/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] umount2("./4752/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 302] newfstatat(AT_FDCWD, "./4752/cgroup", [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] newfstatat(AT_FDCWD, "./4784/cgroup", [pid 302] unlink("./4752/cgroup" [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... unlink resumed>) = 0 [pid 303] unlink("./4784/cgroup" [pid 302] umount2("./4752/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 303] <... unlink resumed>) = 0 [pid 302] newfstatat(AT_FDCWD, "./4752/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 303] umount2("./4784/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 302] unlink("./4752/cgroup.net" [pid 303] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 302] <... unlink resumed>) = 0 [pid 303] newfstatat(AT_FDCWD, "./4784/cgroup.net", [pid 302] getdents64(3, [pid 303] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 302] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 303] unlink("./4784/cgroup.net" [pid 302] close(3) = 0 [pid 302] rmdir("./4752" [pid 303] <... unlink resumed>) = 0 [pid 302] <... rmdir resumed>) = 0 [pid 302] mkdir("./4753", 0777 [pid 303] getdents64(3, [pid 302] <... mkdir resumed>) = 0 [pid 303] <... getdents64 resumed>0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 302] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 303] close(3 [pid 302] <... clone resumed>, child_tidptr=0x5555557fd690) = 13963 ./strace-static-x86_64: Process 4884 attached [pid 303] <... close resumed>) = 0 [pid 4884] set_robust_list(0x5555557fd6a0, 24 [pid 303] rmdir("./4784" [pid 4884] <... set_robust_list resumed>) = 0 [pid 303] <... rmdir resumed>) = 0 [pid 4884] chdir("./4753" [pid 303] mkdir("./4785", 0777 [pid 4884] <... chdir resumed>) = 0 [pid 4884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4879] <... bpf resumed>) = 5 [pid 4884] <... prctl resumed>) = 0 [pid 4881] <... bpf resumed>) = 5 [pid 4880] <... bpf resumed>) = 5 [pid 4879] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... mkdir resumed>) = 0 [pid 4884] setpgid(0, 0 [pid 4881] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4880] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4879] <... futex resumed>) = 1 [pid 4876] <... futex resumed>) = 0 [pid 303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4884] <... setpgid resumed>) = 0 [pid 4881] <... futex resumed>) = 1 [pid 4880] <... futex resumed>) = 1 [pid 4879] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4878] <... futex resumed>) = 0 [pid 4877] <... futex resumed>) = 0 [pid 4876] close(3 [pid 4884] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 4876] <... close resumed>) = 0 ./strace-static-x86_64: Process 4885 attached [pid 4884] <... symlink resumed>) = 0 [pid 4881] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4880] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4878] close(3 [pid 4877] close(3 [pid 4876] close(4 [pid 4885] set_robust_list(0x5555557fd6a0, 24 [pid 4884] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 4878] <... close resumed>) = 0 [pid 4877] <... close resumed>) = 0 [pid 4876] <... close resumed>) = 0 [pid 303] <... clone resumed>, child_tidptr=0x5555557fd690) = 14030 [pid 4885] <... set_robust_list resumed>) = 0 [pid 4884] <... symlink resumed>) = 0 [pid 4878] close(4 [pid 4877] close(4 [pid 4876] close(5 [pid 4885] chdir("./4785" [pid 4884] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 4878] <... close resumed>) = 0 [pid 4877] <... close resumed>) = 0 [pid 4876] <... close resumed>) = 0 [pid 4885] <... chdir resumed>) = 0 [pid 4884] <... symlink resumed>) = 0 [pid 4878] close(5 [pid 4877] close(5 [pid 4876] close(6 [pid 4885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... prctl resumed>) = 0 [pid 4884] <... openat resumed>) = 3 [pid 4876] close(7 [pid 4885] setpgid(0, 0 [pid 4884] write(3, "1000", 4 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] close(8 [pid 4885] <... setpgid resumed>) = 0 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... write resumed>) = 4 [pid 4876] close(9) = -1 EBADF (Bad file descriptor) [pid 4876] close(10 [pid 4885] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 4884] close(3 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] close(11) = -1 EBADF (Bad file descriptor) [pid 4876] close(12) = -1 EBADF (Bad file descriptor) [pid 4885] <... symlink resumed>) = 0 [pid 4876] close(13 [pid 4885] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 4884] <... close resumed>) = 0 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] close(14) = -1 EBADF (Bad file descriptor) [pid 4885] <... symlink resumed>) = 0 [pid 4876] close(15 [pid 4885] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 4884] symlink("/dev/binderfs", "./binderfs" [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] close(16) = -1 EBADF (Bad file descriptor) [pid 4876] close(17 [pid 4885] <... symlink resumed>) = 0 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] close(18) = -1 EBADF (Bad file descriptor) [pid 4876] close(19 [pid 4884] <... symlink resumed>) = 0 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4876] close(20 [pid 4884] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4876] close(21 [pid 4885] <... openat resumed>) = 3 [pid 4884] <... futex resumed>) = 0 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] write(3, "1000", 4 [pid 4884] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4876] close(22 [pid 4885] <... write resumed>) = 4 [pid 4884] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] close(3 [pid 4884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4876] close(23 [pid 4885] <... close resumed>) = 0 [pid 4884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] symlink("/dev/binderfs", "./binderfs" [pid 4884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4876] close(24) = -1 EBADF (Bad file descriptor) [pid 4876] close(25) = -1 EBADF (Bad file descriptor) [pid 4876] close(26) = -1 EBADF (Bad file descriptor) [pid 4876] close(27) = -1 EBADF (Bad file descriptor) [pid 4876] close(28 [pid 4885] <... symlink resumed>) = 0 [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4884] <... mmap resumed>) = 0x7fba2fe97000 [pid 4876] close(29 [pid 4885] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4884] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4876] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4885] <... futex resumed>) = 0 [pid 4885] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4884] <... mprotect resumed>) = 0 [pid 4876] exit_group(0 [pid 4885] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4884] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4879] <... futex resumed>) = ? [pid 4876] <... exit_group resumed>) = ? [pid 4885] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4884] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4879] +++ exited with 0 +++ [pid 4876] +++ exited with 0 +++ [pid 4885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 4886 attached [pid 301] restart_syscall(<... resuming interrupted clone ...> [pid 4886] set_robust_list(0x7fba2feb79a0, 24 [pid 4885] <... mmap resumed>) = 0x7fba2fe97000 [pid 4884] <... clone3 resumed> => {parent_tid=[13964]}, 88) = 13964 [pid 4886] <... set_robust_list resumed>) = 0 [pid 4885] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4884] rt_sigprocmask(SIG_SETMASK, [], [pid 4886] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4885] <... mprotect resumed>) = 0 [pid 4884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4886] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4885] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4884] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4886] <... futex resumed>) = 0 [pid 4885] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4884] <... futex resumed>) = 1 [pid 4886] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4885] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4884] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 4887 attached [pid 4886] <... bpf resumed>) = 3 [pid 4887] set_robust_list(0x7fba2feb79a0, 24 [pid 4886] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4885] <... clone3 resumed> => {parent_tid=[14031]}, 88) = 14031 [pid 4887] <... set_robust_list resumed>) = 0 [pid 4886] <... futex resumed>) = 1 [pid 4885] rt_sigprocmask(SIG_SETMASK, [], [pid 4884] <... futex resumed>) = 0 [pid 4887] rt_sigprocmask(SIG_SETMASK, [], [pid 4886] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4884] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] umount2("./4730", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4887] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4886] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4885] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4884] <... futex resumed>) = 0 [pid 4887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4886] <... bpf resumed>) = 0 [pid 4885] <... futex resumed>) = 0 [pid 4884] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4887] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4886] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4885] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4884] <... futex resumed>) = 0 [pid 4887] <... bpf resumed>) = 3 [pid 4886] <... futex resumed>) = 0 [pid 4884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] openat(AT_FDCWD, "./4730", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4887] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4886] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4884] <... mmap resumed>) = 0x7fba2fe76000 [pid 301] <... openat resumed>) = 3 [pid 4887] <... futex resumed>) = 1 [pid 4885] <... futex resumed>) = 0 [pid 4884] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 301] newfstatat(3, "", [pid 4887] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4885] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4884] <... mprotect resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 4887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4885] <... futex resumed>) = 0 [pid 4884] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4887] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4885] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] getdents64(3, [pid 4887] <... bpf resumed>) = 0 [pid 4885] <... futex resumed>) = 0 [pid 4884] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4887] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 301] <... getdents64 resumed>0x5555557fe730 /* 6 entries */, 32768) = 176 [pid 4887] <... futex resumed>) = 0 [pid 4885] <... mmap resumed>) = 0x7fba2fe76000 [pid 4887] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4885] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 4888 attached [pid 4885] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4884] <... clone3 resumed> => {parent_tid=[13965]}, 88) = 13965 [pid 301] umount2("./4730/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4888] set_robust_list(0x7fba2fe969a0, 24 [pid 4885] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4884] rt_sigprocmask(SIG_SETMASK, [], [pid 4888] <... set_robust_list resumed>) = 0 [pid 4885] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 4889 attached [pid 4888] rt_sigprocmask(SIG_SETMASK, [], [pid 4884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] newfstatat(AT_FDCWD, "./4730/cgroup.cpu", [pid 4889] set_robust_list(0x7fba2fe969a0, 24 [pid 4888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4885] <... clone3 resumed> => {parent_tid=[14032]}, 88) = 14032 [pid 4884] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4889] <... set_robust_list resumed>) = 0 [pid 4888] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4885] rt_sigprocmask(SIG_SETMASK, [], [pid 4884] <... futex resumed>) = 0 [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4889] rt_sigprocmask(SIG_SETMASK, [], [pid 4885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4884] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4885] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4885] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4888] <... bpf resumed>) = 4 [pid 301] unlink("./4730/cgroup.cpu" [pid 4889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4888] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4889] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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] <... unlink resumed>) = 0 [pid 4888] <... futex resumed>) = 1 [pid 4884] <... futex resumed>) = 0 [pid 4889] <... bpf resumed>) = 4 [pid 4884] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4889] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4888] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 301] umount2("./4730/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4889] <... futex resumed>) = 1 [pid 4886] <... futex resumed>) = 0 [pid 4885] <... futex resumed>) = 0 [pid 4884] <... futex resumed>) = 1 [pid 4886] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4885] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4889] futex(0x7fba2ff823f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4887] <... futex resumed>) = 0 [pid 4885] <... futex resumed>) = 1 [pid 4884] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 301] newfstatat(AT_FDCWD, "./4730/binderfs", [pid 4887] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 16 [pid 4885] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=550000000} [pid 301] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4730/binderfs") = 0 [pid 301] umount2("./4730/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4730/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4730/cgroup") = 0 [pid 301] umount2("./4730/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 301] newfstatat(AT_FDCWD, "./4730/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 301] unlink("./4730/cgroup.net") = 0 [pid 301] getdents64(3, 0x5555557fe730 /* 0 entries */, 32768) = 0 [pid 301] close(3) = 0 [pid 301] rmdir("./4730") = 0 [pid 301] mkdir("./4731", 0777) = 0 [pid 301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4890 attached [pid 4890] set_robust_list(0x5555557fd6a0, 24) = 0 [pid 301] <... clone resumed>, child_tidptr=0x5555557fd690) = 13867 [pid 4890] chdir("./4731") = 0 [pid 4890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4890] setpgid(0, 0) = 0 [pid 4890] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 4878] <... close resumed>) = 0 [pid 4890] <... symlink resumed>) = 0 [pid 4877] <... close resumed>) = 0 [pid 4890] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 4878] close(6 [pid 4877] close(6 [pid 4890] <... symlink resumed>) = 0 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 4878] close(7 [pid 4877] close(7 [pid 4890] <... symlink resumed>) = 0 [pid 4890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... openat resumed>) = 3 [pid 4878] close(8 [pid 4877] close(8 [pid 4890] write(3, "1000", 4 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... write resumed>) = 4 [pid 4878] close(9 [pid 4877] close(9 [pid 4890] close(3 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... close resumed>) = 0 [pid 4890] symlink("/dev/binderfs", "./binderfs" [pid 4878] close(10 [pid 4877] close(10 [pid 4890] <... symlink resumed>) = 0 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4878] close(11 [pid 4877] close(11 [pid 4890] <... futex resumed>) = 0 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] rt_sigaction(SIGRT_1, {sa_handler=0x7fba2ff1dd50, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fba2ff0eed0}, [pid 4878] close(12 [pid 4877] close(12 [pid 4890] <... rt_sigaction resumed>NULL, 8) = 0 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 4878] close(13 [pid 4877] close(13 [pid 4890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4878] close(14 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... mmap resumed>) = 0x7fba2fe97000 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] close(14 [pid 4890] mprotect(0x7fba2fe98000, 131072, PROT_READ|PROT_WRITE [pid 4878] close(15 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] <... mprotect resumed>) = 0 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] close(15 [pid 4890] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2feb7990, parent_tid=0x7fba2feb7990, exit_signal=0, stack=0x7fba2fe97000, stack_size=0x20300, tls=0x7fba2feb76c0} [pid 4878] close(16 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4891 attached [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] close(16 [pid 4891] set_robust_list(0x7fba2feb79a0, 24 [pid 4890] <... clone3 resumed> => {parent_tid=[13868]}, 88) = 13868 [pid 4891] <... set_robust_list resumed>) = 0 [pid 4890] rt_sigprocmask(SIG_SETMASK, [], [pid 4878] close(17 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] rt_sigprocmask(SIG_SETMASK, [], [pid 4890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] close(17 [pid 4891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4890] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4878] close(18 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=65537, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 4890] futex(0x7fba2ff823ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] close(18 [pid 4891] <... bpf resumed>) = 3 [pid 4878] close(19 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... futex resumed>) = 1 [pid 4890] <... futex resumed>) = 0 [pid 4877] close(19 [pid 4891] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4890] futex(0x7fba2ff823e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4878] close(20 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 4890] <... futex resumed>) = 0 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] close(20 [pid 4891] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x20000080, value=0x20001540, flags=BPF_ANY}, 32 [pid 4890] futex(0x7fba2ff823fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4878] close(21 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... bpf resumed>) = 0 [pid 4890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] close(21 [pid 4891] futex(0x7fba2ff823ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4890] <... mmap resumed>) = 0x7fba2fe76000 [pid 4878] close(22 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4891] <... futex resumed>) = 0 [pid 4890] mprotect(0x7fba2fe77000, 131072, PROT_READ|PROT_WRITE [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] close(22 [pid 4891] futex(0x7fba2ff823e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 4890] <... mprotect resumed>) = 0 [pid 4878] close(23 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] rt_sigprocmask(SIG_BLOCK, ~[], [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] close(23 [pid 4890] <... rt_sigprocmask resumed>[], 8) = 0 [pid 4878] close(24 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fba2fe96990, parent_tid=0x7fba2fe96990, exit_signal=0, stack=0x7fba2fe76000, stack_size=0x20300, tls=0x7fba2fe966c0} [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] close(24./strace-static-x86_64: Process 4892 attached [pid 4878] close(25 [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] set_robust_list(0x7fba2fe969a0, 24 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] close(25 [pid 4892] <... set_robust_list resumed>) = 0 [pid 4890] <... clone3 resumed> => {parent_tid=[13869]}, 88) = 13869 [pid 4890] rt_sigprocmask(SIG_SETMASK, [], [pid 4878] close(26 [pid 4892] rt_sigprocmask(SIG_SETMASK, [], [pid 4890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 4890] futex(0x7fba2ff823f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4878] close(27 [pid 4877] close(26 [pid 4892] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000740, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_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 4890] <... futex resumed>) = 0 [pid 4878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4890] futex(0x7fba2ff823fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4892] <... bpf resumed>) = 4 [pid 4878] close(28 [pid 4877] close(27