diff options
Diffstat (limited to 'pkg/rootless/rootless_linux.c')
| -rw-r--r-- | pkg/rootless/rootless_linux.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/pkg/rootless/rootless_linux.c b/pkg/rootless/rootless_linux.c index 19b76f387..94933ddd0 100644 --- a/pkg/rootless/rootless_linux.c +++ b/pkg/rootless/rootless_linux.c @@ -137,7 +137,7 @@ get_cmd_line_args (pid_t pid) { allocated += 512; char *tmp = realloc (buffer, allocated); - if (buffer == NULL) + if (tmp == NULL) { free (buffer); return NULL; @@ -276,7 +276,7 @@ static void __attribute__((constructor)) init() return; } - r = TEMP_FAILURE_RETRY (read (fd, buf, sizeof (buf))); + r = TEMP_FAILURE_RETRY (read (fd, buf, sizeof (buf) - 1)); close (fd); if (r < 0) { @@ -457,6 +457,11 @@ create_pause_process (const char *pause_pid_file_path, char **argv) } r = TEMP_FAILURE_RETRY (write (p[1], "0", 1)); + if (r < 0) + { + fprintf (stderr, "cannot write to pipe: %s\n", strerror (errno)); + _exit (EXIT_FAILURE); + } close (p[1]); _exit (EXIT_SUCCESS); @@ -811,6 +816,11 @@ reexec_in_user_namespace (int ready, char *pause_pid_file_path, char *file_to_re } ret = TEMP_FAILURE_RETRY (write (ready, "0", 1)); + if (ret < 0) + { + fprintf (stderr, "cannot write to ready pipe: %s\n", strerror (errno)); + _exit (EXIT_FAILURE); + } close (ready); if (sigprocmask (SIG_SETMASK, &oldsigset, NULL) < 0) |