From: YOSHIFUJI Hideaki <[email protected]>
[TCPv6] MD5SIG: Ensure to reset allocation count to avoid panic.
After clearing all passwords for IPv6 peers, we need to
set allocation count to zero as well as we free the storage.
Otherwise, we panic when a user trys to (re)add a password.
Discovered and fixed by MIYAJIMA Mitsuharu <[email protected]>.
Signed-off-by: YOSHIFUJI Hideaki <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/ipv6/tcp_ipv6.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -644,6 +644,7 @@ static int tcp_v6_md5_do_del(struct sock
if (tp->md5sig_info->entries6 == 0) {
kfree(tp->md5sig_info->keys6);
tp->md5sig_info->keys6 = NULL;
+ tp->md5sig_info->alloced6 = 0;
tcp_free_md5sig_pool();
--
-
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