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| author | Dimitri Staessens <[email protected]> | 2018-05-28 15:55:13 +0200 |
|---|---|---|
| committer | Sander Vrijders <[email protected]> | 2018-05-28 15:59:09 +0200 |
| commit | 7171512cd4f31b3c2dc5c135bd48e278ea2e2d0d (patch) | |
| tree | e14f24658b8349485fbc4207b6addf81d744fae3 /src/ipcpd/normal | |
| parent | 1bee8b3d288bc2c26432b8e675b18e482a98255e (diff) | |
| download | ouroboros-7171512cd4f31b3c2dc5c135bd48e278ea2e2d0d.tar.gz ouroboros-7171512cd4f31b3c2dc5c135bd48e278ea2e2d0d.zip | |
ipcpd: Avoid false positive use-after-free in DHT
The static analyzer misses the linked list logic. An assertion is
added that indicates that the pointer was changed indirectly by the
previous element.
Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>
Diffstat (limited to 'src/ipcpd/normal')
| -rw-r--r-- | src/ipcpd/normal/dht.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/ipcpd/normal/dht.c b/src/ipcpd/normal/dht.c index 917cbc15..069b89d5 100644 --- a/src/ipcpd/normal/dht.c +++ b/src/ipcpd/normal/dht.c @@ -863,6 +863,7 @@ static void lookup_update(struct dht * dht, d = list_last_entry(&lu->contacts, struct contact, next); list_del(&d->next); + assert(lu->contacts.prv != &d->next); contact_destroy(d); mod = true; } |