From: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
To: Aleksandr Nogikh <nogikh@google.com>
Cc: syzbot <syzbot+7402e6c8042635c93ead@syzkaller.appspotmail.com>,
akpm@linux-foundation.org, jannh@google.com,
liam.howlett@oracle.com, linux-input@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com,
vbabka@suse.cz, Alan Stern <stern@rowland.harvard.edu>,
Dmitry Vyukov <dvyukov@google.com>
Subject: Re: [syzbot] [mm?] [input?] [usb?] INFO: rcu detected stall in brk (2)
Date: Fri, 1 Nov 2024 12:14:14 +0000 [thread overview]
Message-ID: <f908337e-a910-4f35-adc6-5c48f4a1bb99@lucifer.local> (raw)
In-Reply-To: <CANp29Y58o0O8jTSP_SpBLVp7VK0bM4Svo7jBNZgDpv=s1DWJqQ@mail.gmail.com>
On Fri, Nov 01, 2024 at 01:09:24PM +0100, Aleksandr Nogikh wrote:
> On Fri, Nov 1, 2024 at 12:11 PM Lorenzo Stoakes
> > Maybe worth setting CONFIG_RCU_EXP_CPU_STALL_TIMEOUT to 0 so it matches the CPU
> > stall timeout? At least for builds that also set heavy debug options like
> > CONFIG_DEBUG_VM_MAPLE_TREE?
>
> Oh, that's even simpler than I thought it would be, thank you!
> I've sent https://github.com/google/syzkaller/pull/5455, it will come
> into effect in a few days.
>
> --
> Aleksandr
>
Perfect, thanks very much!
prev parent reply other threads:[~2024-11-01 12:14 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-31 16:03 syzbot
2024-10-31 16:23 ` Lorenzo Stoakes
2024-10-31 16:41 ` syzbot
2024-10-31 16:58 ` Lorenzo Stoakes
2024-10-31 19:24 ` Alan Stern
2024-11-01 11:07 ` Lorenzo Stoakes
2024-11-01 11:02 ` Aleksandr Nogikh
2024-11-01 11:11 ` Lorenzo Stoakes
2024-11-01 12:09 ` Aleksandr Nogikh
2024-11-01 12:14 ` Lorenzo Stoakes [this message]
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