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| author |   Eric Dumazet <edumazet@google.com> | 2012-12-20 16:00:27 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2012-12-21 13:14:01 -0800 |
| commit | f7e75ba1772bc712af0070655ffd8b09906993b5 (patch) | |
| tree | ef32b318efe584f845f05eb7f65daca803abb6a1 /net/core/sock.c | |
| parent | ip_gre: make ipgre_tunnel_xmit() not parse network header as IP unconditionally (diff) | |
| download | linux-dev-f7e75ba1772bc712af0070655ffd8b09906993b5.tar.xz linux-dev-f7e75ba1772bc712af0070655ffd8b09906993b5.zip | |
ip_gre: fix possible use after free
Once skb_realloc_headroom() is called, tiph might point to freed memory.
Cache tiph->ttl value before the reallocation, to avoid unexpected
behavior.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/sock.c')
0 files changed, 0 insertions, 0 deletions