Mesa (master): util: fix possible buffer overflow in util_get_process_exec_path
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Thu Jul 30 10:59:36 UTC 2020
Module: Mesa
Branch: master
Commit: f13042ec7ea6842cbee81590f40b0e5c2e25a9bf
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f13042ec7ea6842cbee81590f40b0e5c2e25a9bf
Author: Marcin Ślusarz <marcin.slusarz at intel.com>
Date: Fri Jul 24 18:14:24 2020 +0200
util: fix possible buffer overflow in util_get_process_exec_path
Found by Coverity.
Signed-off-by: Marcin Ślusarz <marcin.slusarz at intel.com>
Fixes: f8f1413070a ("util/u_process: add util_get_process_exec_path")
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6067>
---
src/util/u_process.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/util/u_process.c b/src/util/u_process.c
index 74c4d10192e..68fda93a53b 100644
--- a/src/util/u_process.c
+++ b/src/util/u_process.c
@@ -187,6 +187,9 @@ util_get_process_exec_path(char* process_path, size_t len)
return 0;
success:
+ if (r == len)
+ return 0;
+
process_path[r] = '\0';
return r;
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