netdev - Re: [syzbot] [bpf?] [net?] possible deadlock in xsk

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Message-ID: <20250412151014.1f0679ec@kernel.org>
Date: Sat, 12 Apr 2025 15:10:14 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: syzbot <syzbot+6f588c78bf765b62b450@...kaller.appspotmail.com>
Cc: andrii@...nel.org, ast@...nel.org, bjorn@...nel.org,
 bpf@...r.kernel.org, daniel@...earbox.net, davem@...emloft.net,
 edumazet@...gle.com, horms@...nel.org, jonathan.lemon@...il.com,
 linux-kernel@...r.kernel.org, maciej.fijalkowski@...el.com,
 magnus.karlsson@...el.com, netdev@...r.kernel.org, pabeni@...hat.com,
 syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [bpf?] [net?] possible deadlock in xsk_notifier (2)

On Fri, 11 Apr 2025 21:33:30 -0700 syzbot wrote:
> syzbot found the following issue on:
> 
> HEAD commit:    900241a5cc15 Merge tag 'drm-fixes-2025-04-11-1' of https:/..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1604ef4c580000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=eecd7902e39d7933
> dashboard link: https://syzkaller.appspot.com/bug?extid=6f588c78bf765b62b450
> compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> userspace arch: i386
> 
> Unfortunately, I don't have any reproducer for this issue yet.

#syz dup: possible deadlock in xsk_diag_dump