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From: syzbot <syzbot+850aaf14624dc0c6d366@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org, memxor@gmail.com,
	 syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [bpf?] possible deadlock in __bpf_ringbuf_reserve
Date: Fri, 11 Apr 2025 11:01:02 -0700	[thread overview]
Message-ID: <67f958de.050a0220.2c5fcf.0006.GAE@google.com> (raw)
In-Reply-To: <CAP01T77pot4y_m1eb6AP5K24CM3u8=yfJhFW7R9H-nZTmFgo9g@mail.gmail.com>

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
unregister_netdevice: waiting for DEV to become free

unregister_netdevice: waiting for batadv0 to become free. Usage count = 3


Tested on:

commit:         e403941b bpf: Convert ringbuf.c to rqspinlock
git tree:       https://github.com/kkdwivedi/linux.git res-lock-next
console output: https://syzkaller.appspot.com/x/log.txt?x=110a8f4c580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=ea2b297a0891c87e
dashboard link: https://syzkaller.appspot.com/bug?extid=850aaf14624dc0c6d366
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.

       reply	other threads:[~2025-04-11 18:01 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAP01T77pot4y_m1eb6AP5K24CM3u8=yfJhFW7R9H-nZTmFgo9g@mail.gmail.com>
2025-04-11 18:01 ` syzbot [this message]
     [not found] <CAP01T76CVtC=z=JYP+HFtVrfkrZjuiR20xLWtHkshGjoA77MwA@mail.gmail.com>
2025-04-11 17:19 ` [syzbot] [bpf?] possible deadlock in __bpf_ringbuf_reserve syzbot
2025-04-11 17:31   ` Kumar Kartikeya Dwivedi
2025-04-11 18:26     ` syzbot
2024-03-12 16:41 syzbot
2024-03-12 21:02 ` Jiri Olsa
2024-03-12 21:18   ` Jiri Olsa
2024-03-12 22:37     ` Andrii Nakryiko
2024-03-13  9:04       ` Jiri Olsa
2024-03-13 12:13   ` Hillf Danton
2024-03-13 10:46 ` Hillf Danton
2024-03-13 11:11   ` syzbot
2025-04-10 12:38 ` Kumar Kartikeya Dwivedi
2025-04-10 12:53   ` syzbot

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