From: syzbot <syzbot+850aaf14624dc0c6d366@syzkaller.appspotmail.com>
To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org,
daniel@iogearbox.net, eddyz87@gmail.com, kernel-team@meta.com,
kkd@meta.com, linux-kernel@vger.kernel.org,
martin.lau@kernel.org, memxor@gmail.com,
syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [bpf?] possible deadlock in __bpf_ringbuf_reserve
Date: Fri, 11 Apr 2025 11:26:03 -0700 [thread overview]
Message-ID: <67f95ebb.050a0220.2c5fcf.0007.GAE@google.com> (raw)
In-Reply-To: <CAP01T74p7xy9riqMYiaZ563p0xd=QUWyPseHkNe_037wAdnu3Q@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: a650d389 bpf: Convert ringbuf map to rqspinlock
git tree: bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=17928870580000
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.
next prev parent reply other threads:[~2025-04-11 18:26 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-11 10:17 [PATCH bpf v1] bpf: Convert ringbuf.c to rqspinlock Kumar Kartikeya Dwivedi
2025-04-11 17:04 ` Kumar Kartikeya Dwivedi
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 [this message]
2025-04-11 17:37 ` [PATCH bpf v1] bpf: Convert ringbuf.c to rqspinlock patchwork-bot+netdevbpf
-- strict thread matches above, loose matches on Subject: below --
2024-03-12 16:41 [syzbot] [bpf?] possible deadlock in __bpf_ringbuf_reserve 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
2025-04-10 12:38 ` Kumar Kartikeya Dwivedi
2025-04-10 12:53 ` syzbot
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