From: sashiko-bot@kernel.org
To: "Heiko Carstens" <hca@linux.ibm.com>
Cc: "Heiko Carstens" <hca@linux.ibm.com>,
linux-s390@vger.kernel.org,
"Alexander Gordeev" <agordeev@linux.ibm.com>,
"Christian Borntraeger" <borntraeger@linux.ibm.com>,
"Vasily Gorbik" <gor@linux.ibm.com>
Subject: Re: [PATCH] s390/uprobes: Fix off-by-one bug in emulated PER handling
Date: Fri, 09 Oct 2026 13:33:03 +0000 [thread overview]
Message-ID: <sashiko-outbox-165646@kernel.org> (raw)
In-Reply-To: <20261009132604.2434271-1-hca@linux.ibm.com>
> The uprobes code emulates some instructions, and with that also
> PER storage-alteration handling, in case a debugger is attached.
>
> The PER storage-alteration handling contains an off-by-one bug, which
> may lead to PER traps which should not happen. Adjust the comparison
> in sim_stor_event() to fix that.
>
> Fixes: 8d1a2427d8fc ("s390/uprobes: fix user space PER events")
> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261009132604.2434271-1-hca@linux.ibm.com?part=1
next prev parent reply other threads:[~2026-10-09 13:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-09 13:26 [PATCH] s390/uprobes: Fix off-by-one bug in emulated PER handling Heiko Carstens
2026-10-09 13:33 ` sashiko-bot [this message]
2026-10-12 7:05 ` Sven Schnelle
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