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| author | Eric Dumazet <edumazet@google.com> | 2018-01-11 22:31:18 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-01-15 14:19:32 -0500 |
| commit | 95ef498d977bf44ac094778fd448b98af158a3e6 (patch) | |
| tree | c2394f0f4eaf0874bec36d0b485fdf9badeefaa1 /net | |
| parent | 37f47bc90c7481e7959703ad1defc4fc9f5d85e3 (diff) | |
| download | linux-95ef498d977bf44ac094778fd448b98af158a3e6.tar.gz linux-95ef498d977bf44ac094778fd448b98af158a3e6.tar.bz2 linux-95ef498d977bf44ac094778fd448b98af158a3e6.zip | |
ipv6: ip6_make_skb() needs to clear cork.base.dst
In my last patch, I missed fact that cork.base.dst was not initialized
in ip6_make_skb() :
If ip6_setup_cork() returns an error, we might attempt a dst_release()
on some random pointer.
Fixes: 862c03ee1deb ("ipv6: fix possible mem leaks in ipv6_make_skb()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv6/ip6_output.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 8fe58a2d305c..4f7d8de56611 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1735,6 +1735,7 @@ struct sk_buff *ip6_make_skb(struct sock *sk, cork.base.flags = 0; cork.base.addr = 0; cork.base.opt = NULL; + cork.base.dst = NULL; v6_cork.opt = NULL; err = ip6_setup_cork(sk, &cork, &v6_cork, ipc6, rt, fl6); if (err) { |