Running past the end of the chain would cause a SEGV.
Signed-off-by: Egbert Eich <[email protected]>
---
process.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/process.c b/process.c
index 166b769..0f719ce 100644
--- a/process.c
+++ b/process.c
@@ -1280,8 +1280,11 @@ remove_entry(const char *inputfilename, int lineno,
Xauth *auth, char *data)
/*
* unlink the auth we were asked to
*/
- while (!eq_auth((list = *listp)->auth, auth))
+ while (!eq_auth((list = *listp)->auth, auth)) {
listp = &list->next;
+ if (!*listp)
+ return 0;
+ }
*listp = list->next;
XauDisposeAuth (list->auth); /* free the auth */
free (list); /* free the link */
--
1.8.1.4
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