diff options
| author |   Benoît Ganne <bganne@cisco.com> | 2019-10-16 15:08:37 +0200 |
|---|---|---|
| committer |   Neale Ranns <nranns@cisco.com> | 2019-10-16 15:19:46 +0000 |
| commit | 7391156ce68a81f258d65f498ec6161d694fae47 (patch) | |
| tree | a42ca65f924e965bc1afee943c204b4076d3d4ac | |
| parent | 94d2da0b294b0084dd97217e79de18842f09356b (diff) | |
fib: fix use-after-free for interface adj removal
Type: fix
Change-Id: I82308e368d14d84f5970dad229bdcf2de7d1839d
Signed-off-by: Benoît Ganne <bganne@cisco.com>
| -rw-r--r-- | src/vnet/adj/adj_nbr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/vnet/adj/adj_nbr.c b/src/vnet/adj/adj_nbr.c index cbd6691f78f..7f053c82d59 100644 --- a/src/vnet/adj/adj_nbr.c +++ b/src/vnet/adj/adj_nbr.c @@ -823,12 +823,15 @@ adj_nbr_interface_delete_one (adj_index_t ai, }; ip_adjacency_t *adj; + adj_lock(ai); + adj = adj_get(ai); adj->ia_flags |= ADJ_FLAG_SYNC_WALK_ACTIVE; fib_walk_sync(FIB_NODE_TYPE_ADJ, ai, &bw_ctx); adj->ia_flags &= ~ADJ_FLAG_SYNC_WALK_ACTIVE; + adj_unlock(ai); return (ADJ_WALK_RC_CONTINUE); } |