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| author |   Andrew Yourtchenko <ayourtch@gmail.com> | 2022-09-15 11:46:30 +0000 |
|---|---|---|
| committer | Andrew Yourtchenko <ayourtch@gmail.com> | 2022-09-15 11:46:30 +0000 |
| commit | 6e1eaad216c41ce1cb4af13a2214f4d86e094414 (patch) | |
| tree | d6fad719bedb93c2125053ff5dbe0ac28f15e064 | |
| parent | 5f694d1ecfbe2315e9bbcc98a83b83620e6f6b94 (diff) | |
prom: fix coverity 277312, 277317
If one attempts to add a pattern with zero length, first time
it will succeed, and the second time it will cause an invalid memcmp call.
Solution: do not allow to add zero-length patterns.
Type: fix
Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
Change-Id: Ic08e021486153be605a4b12a2fe4422307bf68d2
| -rw-r--r-- | src/plugins/prom/prom.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/plugins/prom/prom.c b/src/plugins/prom/prom.c index 6db50204d65..3e0fa3b408d 100644 --- a/src/plugins/prom/prom.c +++ b/src/plugins/prom/prom.c @@ -305,6 +305,8 @@ prom_stat_patterns_add (u8 **patterns) { found = 0; len = vec_len (*pattern); + if (len == 0) + continue; vec_foreach (existing, pm->stats_patterns) { if (vec_len (*existing) != len) |