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NetworkManager/SOURCES/1004-nm-dispatcher-fix-cras...

51 lines
1.7 KiB

From e4fb80046cf36a7e210e8660ef50c93ef8971a5e Mon Sep 17 00:00:00 2001
From: Beniamino Galvani <bgalvani@redhat.com>
Date: Wed, 13 Mar 2024 10:47:31 +0100
Subject: [PATCH 1/2] nm-dispatcher: fix crash when parsing output dictionary
'stdout' is NULL when the script didn't write anything or failed.
Fixes the following crash detected by NMCI in test
'dispatcher_device_handler_dummy'.
nm-dispatcher[936339]: g_strsplit: assertion 'string != NULL' failed
build_result_options (nm-dispatcher)
complete_request (nm-dispatcher)
complete_script (nm-dispatcher)
script_watch_cb (nm-dispatcher)
g_child_watch_dispatch (libglib-2.0.so.0)
g_main_dispatch (libglib-2.0.so.0)
g_main_context_iterate (libglib-2.0.so.0)
g_main_context_iteration (libglib-2.0.so.0)
main (nm-dispatcher)
__libc_start_main (libc.so.6)
_start (nm-dispatcher)
Fixes: d72f26b87528 ('dispatcher: read device-handler's stdout into a dictionary')
https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/merge_requests/1889
(cherry picked from commit e5c2c5f1c2f55c139f39830651df2c901c3a0bf9)
(cherry picked from commit 669bf33de38a8a15e77662daadf94d6395838eee)
---
src/nm-dispatcher/nm-dispatcher.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/nm-dispatcher/nm-dispatcher.c b/src/nm-dispatcher/nm-dispatcher.c
index efb4ec0087..ce252b92bf 100644
--- a/src/nm-dispatcher/nm-dispatcher.c
+++ b/src/nm-dispatcher/nm-dispatcher.c
@@ -306,6 +306,9 @@ build_result_options(char *stdout)
char *key;
char *value;
+ if (!stdout)
+ return NULL;
+
lines = g_strsplit(stdout, "\n", 65);
for (i = 0; lines[i] && i < 64; i++) {
--
2.41.0