[PATCH] bpf/sockmap: fix kernel panic at __tcp_bpf_recvmsg

759.316852] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Signed-off-by: dihu --- net/ipv4/tcp_bpf.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c index 5a05327..b82e4c3 100644 --- a/net/ipv4/tcp_bpf.c +++ b/net/ipv4/tcp_bpf.c @@ -64,6 +64,9 @@ int __tcp_bpf_recvmsg(s

Re: [PATCH] bpf/sockmap: fix kernel panic at __tcp_bpf_recvmsg

On 2020/5/27 5:10, John Fastabend wrote: dihu wrote: From 865a45747de6b68fd02a0ff128a69a5c8feb73c3 Mon Sep 17 00:00:00 2001 From: dihu Date: Mon, 25 May 2020 17:23:16 +0800 Subject: [PATCH] bpf/sockmap: fix kernel panic at __tcp_bpf_recvmsg When user application calls read() with MSG_PEEK