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authorDavid S. Miller2019-04-17 20:26:25 +0200
committerDavid S. Miller2019-04-17 20:26:25 +0200
commit6b0a7f84ea1fe248df96ccc4dd86e817e32ef65b (patch)
tree0a7976054052e793da782c2b7ec34eccfbf66449 /net/core/filter.c
parentMerge branch 's390-next' (diff)
parentMerge tag 'for-linus-5.1-2' of git://github.com/cminyard/linux-ipmi (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflict resolution of af_smc.c from Stephen Rothwell. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/filter.c')
-rw-r--r--net/core/filter.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/core/filter.c b/net/core/filter.c
index 95a27fdf9a40..07687e2a2e66 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -4462,6 +4462,8 @@ BPF_CALL_3(bpf_bind, struct bpf_sock_addr_kern *, ctx, struct sockaddr *, addr,
* Only binding to IP is supported.
*/
err = -EINVAL;
+ if (addr_len < offsetofend(struct sockaddr, sa_family))
+ return err;
if (addr->sa_family == AF_INET) {
if (addr_len < sizeof(struct sockaddr_in))
return err;