linux-kernel - Re: [syzbot] [bpf?] [net?] possible deadlock in ahci_single_level_irq

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Message-ID: <87cyrcbrmi.fsf@cloudflare.com>
Date: Fri, 29 Mar 2024 23:27:06 +0100
From: Jakub Sitnicki <jakub@...udflare.com>
To: Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc: syzbot <syzbot+d4066896495db380182e@...kaller.appspotmail.com>, Andrii
 Nakryiko <andrii@...nel.org>, Alexei Starovoitov <ast@...nel.org>, bpf
 <bpf@...r.kernel.org>, Daniel Borkmann <daniel@...earbox.net>, "David S.
 Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, John
 Fastabend <john.fastabend@...il.com>, Jakub Kicinski <kuba@...nel.org>,
 LKML <linux-kernel@...r.kernel.org>, Network Development
 <netdev@...r.kernel.org>, Paolo Abeni <pabeni@...hat.com>, syzkaller-bugs
 <syzkaller-bugs@...glegroups.com>
Subject: Re: [syzbot] [bpf?] [net?] possible deadlock in
 ahci_single_level_irq_intr

On Wed, Mar 27, 2024 at 02:43 PM -07, Alexei Starovoitov wrote:
> On Wed, Mar 27, 2024 at 1:05 PM Jakub Sitnicki <jakub@...udflare.com> wrote:
>>
>> #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git master
>>
>> diff --git a/net/core/sock_map.c b/net/core/sock_map.c
>
> Great. Please submit it officially. Hopefully bpf CI also will be happy.

Will do.

Just had to verify if we need a similar check for map_update_elem.