linux: ignore EPIPE for hooks

ignore EPIPE when writing to the hook stdin, as the hook process could already have been terminated. Closes: #1551 Signed-off-by: Giuseppe Scrivano <[email protected]>
containers · Sep 5, 2024 · 2c4db99 · 2c4db99
1 parent 841a0de
commit 2c4db99
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/src/libcrun/utils.c b/src/libcrun/utils.c
@@ -1671,8 +1671,13 @@ run_process_with_stdin_timeout_envp (char *path, char **args, const char *cwd, i
   ret = TEMP_FAILURE_RETRY (write (pipe_w, stdin, stdin_len));
   if (UNLIKELY (ret < 0))
     {
-      ret = crun_make_error (err, errno, "writing to pipe");
-      goto restore_sig_mask_and_exit;
+      /* Ignore EPIPE as the container process could have already
+         been terminated.  */
+      if (errno != EPIPE)
+        {
+          ret = crun_make_error (err, errno, "writing to pipe");
+          goto restore_sig_mask_and_exit;
+        }
     }
 
   close_and_reset (&pipe_w);