From: "Toke Høiland-Jørgensen" <toke@redhat.com>
To: syzbot <syzbot+d121e098da06af416d23@syzkaller.appspotmail.com>,
akpm@linux-foundation.org, davem@davemloft.net,
edumazet@google.com, hawk@kernel.org,
ilias.apalodimas@linaro.org, kuba@kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
netdev@vger.kernel.org, pabeni@redhat.com,
syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [net?] BUG: Bad page state in bpf_test_run_xdp_live
Date: Tue, 29 Oct 2024 22:01:10 +0100 [thread overview]
Message-ID: <8734ked3op.fsf@toke.dk> (raw)
In-Reply-To: <671ecfe4.050a0220.2b8c0f.01ed.GAE@google.com>
#syz test
--- a/net/bpf/test_run.c
+++ b/net/bpf/test_run.c
@@ -246,6 +246,7 @@ static void reset_ctx(struct xdp_page_head *head)
head->ctx.data_meta = head->orig_ctx.data_meta;
head->ctx.data_end = head->orig_ctx.data_end;
xdp_update_frame_from_buff(&head->ctx, head->frame);
+ head->frame->mem = head->orig_ctx.rxq->mem;
}
static int xdp_recv_frames(struct xdp_frame **frames, int nframes,
next prev parent reply other threads:[~2024-10-29 21:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-27 23:42 [syzbot] [net?] BUG: Bad page state in bpf_test_run_xdp_live syzbot
2024-10-28 18:37 ` Jesper Dangaard Brouer
2024-10-29 21:01 ` Toke Høiland-Jørgensen [this message]
2024-10-29 21:33 ` syzbot
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