From: Donald Sharp <sharpd@cumulusnetworks.com>
Date: Wed, 18 Mar 2020 11:12:57 +0000 (-0400)
Subject: pimd: Prevent use after free
X-Git-Tag: base_7.4~197^2~3
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=7791cff31f4538690bbfa11de4cf4e576b13cae8;p=matthieu%2Ffrr.git

pimd: Prevent use after free

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
---

diff --git a/pimd/pim_vxlan.c b/pimd/pim_vxlan.c
index 569b04d278..4c94b389a0 100644
--- a/pimd/pim_vxlan.c
+++ b/pimd/pim_vxlan.c
@@ -788,8 +788,8 @@ void pim_vxlan_sg_del(struct pim_instance *pim, struct prefix_sg *sg)
 	if (!vxlan_sg)
 		return;
 
-	pim_vxlan_sg_del_item(vxlan_sg);
 	hash_release(pim->vxlan.sg_hash, vxlan_sg);
+	pim_vxlan_sg_del_item(vxlan_sg);
 }
 
 /******************************* MLAG handling *******************************/