From: "Toke Høiland-Jørgensen" <toke@kernel•org>
To: syzbot <syzbot+af9492708df9797198d6@syzkaller•appspotmail.com>,
andrii@kernel•org, ast@kernel•org, bpf@vger•kernel.org,
daniel@iogearbox•net, davem@davemloft•net, eadavis@qq•com,
eddyz87@gmail•com, haoluo@google•com, hawk@kernel•org,
john.fastabend@gmail•com, jolsa@kernel•org, kpsingh@kernel•org,
kuba@kernel•org, linux-kernel@vger•kernel.org,
martin.lau@linux•dev, netdev@vger•kernel.org, sdf@google•com,
song@kernel•org, syzkaller-bugs@googlegroups•com,
yonghong.song@linux•dev
Subject: Re: [syzbot] [bpf?] [net?] general protection fault in dev_map_enqueue
Date: Mon, 08 Apr 2024 17:30:36 +0200 [thread overview]
Message-ID: <877ch7hnxf.fsf@toke.dk> (raw)
In-Reply-To: <000000000000abd40e0615516bdb@google.com>
syzbot <syzbot+af9492708df9797198d6@syzkaller•appspotmail.com> writes:
> Hello,
>
> syzbot tried to test the proposed patch but the build/boot failed:
Trying again on a different branch:
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git 443574b03387
diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c
index dfd919374017..a3f24486829e 100644
--- a/net/bpf/test_run.c
+++ b/net/bpf/test_run.c
@@ -281,9 +281,9 @@ static int xdp_recv_frames(struct xdp_frame **frames, int nframes,
static int xdp_test_run_batch(struct xdp_test_data *xdp, struct bpf_prog *prog,
u32 repeat)
{
- struct bpf_redirect_info *ri = this_cpu_ptr(&bpf_redirect_info);
int err = 0, act, ret, i, nframes = 0, batch_sz;
struct xdp_frame **frames = xdp->frames;
+ struct bpf_redirect_info *ri;
struct xdp_page_head *head;
struct xdp_frame *frm;
bool redirect = false;
@@ -294,6 +294,7 @@ static int xdp_test_run_batch(struct xdp_test_data *xdp, struct bpf_prog
*prog,
local_bh_disable();
xdp_set_return_frame_no_direct();
+ ri = this_cpu_ptr(&bpf_redirect_info);
for (i = 0; i < batch_sz; i++) {
page = page_pool_dev_alloc_pages(xdp->pp);
next prev parent reply other threads:[~2024-04-08 15:30 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-26 19:00 [syzbot] [bpf?] [net?] general protection fault in dev_map_enqueue syzbot
2024-03-27 8:10 ` syzbot
2024-03-27 15:19 ` Alexei Starovoitov
2024-03-28 8:58 ` Jesper Dangaard Brouer
2024-03-28 20:39 ` Toke Høiland-Jørgensen
2024-03-31 9:08 ` [PATCH] bpf: fix null ptr deref " Edward Adam Davis
2024-04-01 11:00 ` Jesper Dangaard Brouer
2024-04-02 3:03 ` Edward Adam Davis
2024-04-04 11:03 ` Jesper Dangaard Brouer
2024-04-04 21:02 ` Toke Høiland-Jørgensen
2024-04-05 3:55 ` [syzbot] [bpf?] [net?] general protection fault " syzbot
2024-04-08 15:30 ` Toke Høiland-Jørgensen [this message]
2024-04-08 22:03 ` syzbot
2024-04-16 20:55 ` Toke Høiland-Jørgensen
2024-04-17 14:49 ` syzbot
2024-04-17 19:18 ` Toke Høiland-Jørgensen
2024-04-18 2:51 ` syzbot
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