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| author | Cong Wang <cong.wang@bytedance.com> | 2021-06-15 05:13:37 +0300 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2021-06-21 17:48:24 +0300 |
| commit | e00a5c331bf57f41fcfdc5da4f5caeafe5e54c1d (patch) | |
| tree | 6f0ad4fe45fb3f3edf9ba7427d63d527a363722d /net/core/skmsg.c | |
| parent | a7e65fe7d8201527129206754db1a2db6a6b2fde (diff) | |
| download | linux-e00a5c331bf57f41fcfdc5da4f5caeafe5e54c1d.tar.xz | |
udp: Fix a memory leak in udp_read_sock()
sk_psock_verdict_recv() clones the skb and uses the clone
afterward, so udp_read_sock() should free the skb after using
it, regardless of error or not.
This fixes a real kmemleak.
Fixes: d7f571188ecf ("udp: Implement ->read_sock() for sockmap")
Signed-off-by: Cong Wang <cong.wang@bytedance.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/20210615021342.7416-4-xiyou.wangcong@gmail.com
Diffstat (limited to 'net/core/skmsg.c')
0 files changed, 0 insertions, 0 deletions