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hostapd: fix a segfault on sta disconnect with proxy arp enabled

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Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry-picked from commit 5dd1bd5b80)
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Felix Fietkau
2021-07-28 05:48:38 +02:00
parent c75d176882
commit aada4d0e78
1 changed files with 19 additions and 0 deletions
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19
package/network/services/hostapd/patches/023-ndisc_snoop-call-dl_list_del-before-freeing-ipv6-add.patch Normal file
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@@ -0,0 +1,19 @@
From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 28 Jul 2021 05:43:29 +0200
Subject: [PATCH] ndisc_snoop: call dl_list_del before freeing ipv6 addresses
Fixes a segmentation fault on sta disconnect
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/src/ap/ndisc_snoop.c
+++ b/src/ap/ndisc_snoop.c
@@ -61,6 +61,7 @@ void sta_ip6addr_del(struct hostapd_data
dl_list_for_each_safe(ip6addr, prev, &sta->ip6addr, struct ip6addr,
list) {
hostapd_drv_br_delete_ip_neigh(hapd, 6, (u8 *) &ip6addr->addr);
+ dl_list_del(&ip6addr->list);
os_free(ip6addr);
}
}