diff options
| author | Jeongjun Park <[email protected]> | 2024-07-26 06:40:49 +0900 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2024-07-29 10:55:15 +0100 |
| commit | 9da49aa80d686582bc3a027112a30484c9be6b6e (patch) | |
| tree | 6ac72bf26a011a6d42b1fbba48233bb86bba59d3 | |
| parent | 301927d2d2eb8e541357ba850bc7a1a74dbbd670 (diff) | |
tun: Add missing bpf_net_ctx_clear() in do_xdp_generic()
There are cases where do_xdp_generic returns bpf_net_context without
clearing it. This causes various memory corruptions, so the missing
bpf_net_ctx_clear must be added.
Reported-by: [email protected]
Fixes: fecef4cd42c6 ("tun: Assign missing bpf_net_context.")
Signed-off-by: Jeongjun Park <[email protected]>
Acked-by: Jason Wang <[email protected]>
Reviewed-by: Willem de Bruijn <[email protected]>
Reported-by: [email protected]
Reported-by: [email protected]
Reported-by: [email protected]
Reported-by: [email protected]
Reported-by: [email protected]
Signed-off-by: David S. Miller <[email protected]>
| -rw-r--r-- | net/core/dev.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 6ea1d20676fb..751d9b70e6ad 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -5150,6 +5150,7 @@ int do_xdp_generic(struct bpf_prog *xdp_prog, struct sk_buff **pskb) bpf_net_ctx_clear(bpf_net_ctx); return XDP_DROP; } + bpf_net_ctx_clear(bpf_net_ctx); } return XDP_PASS; out_redir: |