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util: fix possible buffer overflow in util_get_process_exec_path
author
Marcin Ślusarz
<marcin.slusarz@intel.com>
Fri, 24 Jul 2020 16:14:24 +0000
(18:14 +0200)
committer
Marge Bot
<eric+marge@anholt.net>
Thu, 30 Jul 2020 10:41:00 +0000
(10:41 +0000)
Found by Coverity.
Signed-off-by: Marcin Ślusarz <marcin.slusarz@intel.com>
Fixes:
f8f1413070a
("util/u_process: add util_get_process_exec_path")
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6067>
src/util/u_process.c
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diff --git
a/src/util/u_process.c
b/src/util/u_process.c
index
74c4d10
..
68fda93
100644
(file)
--- 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;