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authorBenoît Ganne <bganne@cisco.com>2019-07-18 18:38:42 +0200
committerFlorin Coras <florin.coras@gmail.com>2019-10-01 21:57:09 +0000
commitd4aeb84c3f066b755b723163da292eab95bd1ef9 (patch)
tree0be8fb435d76665377cb1248271c8df78d309b10 /src/vnet/udp
parentb5a2f7056967630c2834b0b4bf03520d96806c3e (diff)
session: fix use-after-free
Make sure to reinitialize data before free-ing it. Type: fix Change-Id: I45727c456d0345204d4825ecdd9690c5ebeb5e94 Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/vnet/udp')
-rw-r--r--src/vnet/udp/udp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/vnet/udp/udp.c b/src/vnet/udp/udp.c
index 949c6356d33..fbd9e980181 100644
--- a/src/vnet/udp/udp.c
+++ b/src/vnet/udp/udp.c
@@ -58,9 +58,10 @@ udp_connection_alloc (u32 thread_index)
void
udp_connection_free (udp_connection_t * uc)
{
- pool_put (udp_main.connections[uc->c_thread_index], uc);
+ u32 thread_index = uc->c_thread_index;
if (CLIB_DEBUG)
clib_memset (uc, 0xFA, sizeof (*uc));
+ pool_put (udp_main.connections[thread_index], uc);
}
void