From: Thomas Gleixner <tglx@kernel.org>
To: Radu Rendec <radu@rendec.net>,
Farhad Alemi <farhad.alemi@berkeley.edu>,
Mark Brown <broonie@kernel.org>
Cc: falemi@asu.edu, linux-kernel@vger.kernel.org
Subject: Re: [BUG] KASAN: slab-use-after-free Read in irq_migrate_all_off_this_cpu
Date: Sun, 30 Aug 2026 20:30:21 +0200 [thread overview]
Message-ID: <87y0dncvgi.ffs@fw13> (raw)
In-Reply-To: <31cd7357e666ecc74b7a995641b3de3c0aa1bd0b.camel@rendec.net>
On Sat, Aug 29 2026 at 16:34, Radu Rendec wrote:
> On Thu, 2026-08-27 at 22:41 -0700, Farhad Alemi wrote:
>> BUG: KASAN: slab-out-of-bounds in
>> irq_migrate_all_off_this_cpu+0xdf/0xc80 kernel/irq/cpuhotplug.c:181
>
> Thanks for reporting this. For everyone interested, please note that it
> had been also reported by syzbot a few days before:
> https://lore.kernel.org/all/6a8c23a0.dbb3a75c.7844.0001.GAE@google.com/
> Currently there is no follow up to the syzbot report.
The syzbot report is useless. It mumbles about memory allocated in the
networking stack which definitely can't end up in the interrupt
descriptor :)
>> Our reproducer.c is available upon request.
See further down the thread :)
next prev parent reply other threads:[~2026-08-30 18:30 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-28 5:41 Farhad Alemi
2026-08-29 20:34 ` Radu Rendec
2026-08-30 18:30 ` Thomas Gleixner [this message]
2026-08-30 18:48 ` Radu Rendec
2026-09-09 17:56 ` Farhad Alemi
2026-08-30 6:24 ` Thomas Gleixner
2026-08-30 14:16 ` Mark Brown
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