linux-kernel - Re: [syzbot] [bpf?] [net?] WARNING in __xdp_reg_mem

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Date: Sat, 04 May 2024 11:03:01 -0700
From: syzbot <syzbot+f534bd500d914e34b59e@...kaller.appspotmail.com>
To: andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org, 
	daniel@...earbox.net, davem@...emloft.net, edumazet@...gle.com, 
	hawk@...nel.org, john.fastabend@...il.com, kuba@...nel.org, 
	linux-kernel@...r.kernel.org, lorenzo@...nel.org, netdev@...r.kernel.org, 
	pabeni@...hat.com, syzkaller-bugs@...glegroups.com, toke@...hat.com
Subject: Re: [syzbot] [bpf?] [net?] WARNING in __xdp_reg_mem_model

syzbot has bisected this issue to:

commit 2b0cfa6e49566c8fa6759734cf821aa6e8271a9e
Author: Lorenzo Bianconi <lorenzo@...nel.org>
Date:   Mon Feb 12 09:50:54 2024 +0000

    net: add generic percpu page_pool allocator

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=151860d4980000
start commit:   f99c5f563c17 Merge tag 'nf-24-03-21' of git://git.kernel.o..
git tree:       net
final oops:     https://syzkaller.appspot.com/x/report.txt?x=171860d4980000
console output: https://syzkaller.appspot.com/x/log.txt?x=131860d4980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=6fb1be60a193d440
dashboard link: https://syzkaller.appspot.com/bug?extid=f534bd500d914e34b59e
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17ac600b180000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1144b797180000

Reported-by: syzbot+f534bd500d914e34b59e@...kaller.appspotmail.com
Fixes: 2b0cfa6e4956 ("net: add generic percpu page_pool allocator")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection