aboutsummaryrefslogtreecommitdiffstats
path: root/net/ipv4/igmp.c
diff options
context:
space:
mode:
authorHangbin Liu <liuhangbin@gmail.com>2017-02-08 21:16:45 +0800
committerDavid S. Miller <davem@davemloft.net>2017-02-09 16:43:45 -0500
commit9c8bb163ae784be4f79ae504e78c862806087c54 (patch)
tree3a4f8ad0efffb2d1c63347819245ffd0dc59d273 /net/ipv4/igmp.c
parentxen-netfront: Improve error handling during initialization (diff)
downloadlinux-dev-9c8bb163ae784be4f79ae504e78c862806087c54.tar.xz
linux-dev-9c8bb163ae784be4f79ae504e78c862806087c54.zip
igmp, mld: Fix memory leak in igmpv3/mld_del_delrec()
In function igmpv3/mld_add_delrec() we allocate pmc and put it in idev->mc_tomb, so we should free it when we don't need it in del_delrec(). But I removed kfree(pmc) incorrectly in latest two patches. Now fix it. Fixes: 24803f38a5c0 ("igmp: do not remove igmp souce list info when ...") Fixes: 1666d49e1d41 ("mld: do not remove mld souce list info when ...") Reported-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/igmp.c')
-rw-r--r--net/ipv4/igmp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 5b15459955f8..44fd86de2823 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1172,6 +1172,7 @@ static void igmpv3_del_delrec(struct in_device *in_dev, struct ip_mc_list *im)
psf->sf_crcount = im->crcount;
}
in_dev_put(pmc->interface);
+ kfree(pmc);
}
spin_unlock_bh(&im->lock);
}