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From: Jeffin Philip <jeffinphilip14@gmail.com>
To: syzbot+1e2ef9bcb29af666b2e6@syzkaller.appspotmail.com
Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
	syzkaller-bugs@googlegroups.com
Subject: [syzbot] [input?] KASAN: slab-use-after-free Read in atkbd_set_repeat_rate
Date: Fri, 28 Aug 2026 19:33:30 +0530	[thread overview]
Message-ID: <20260828140330.134760-1-jeffinphilip14@gmail.com> (raw)
In-Reply-To: <6a90d9ef.4d659fcc.734b4.0019.GAE@google.com>

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 818bebeb63dd

diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 5736f4bc5a50..bfad2e2ac937 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -961,7 +961,9 @@ static void atkbd_disconnect(struct serio *serio)
 {
 	struct atkbd *atkbd = atkbd_from_serio(serio);
 
+	scoped_guard(mutex_intr, &atkbd->mutex) {
 	atkbd_disable(atkbd);
+	}
 
 	input_unregister_device(atkbd->dev);
 

  parent reply	other threads:[~2026-08-28 14:03 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-28  0:44 [syzbot] [input?] KASAN: slab-use-after-free Read in atkbd_set_repeat_rate syzbot
2026-08-28 11:42 ` syzbot
2026-08-28 12:54 ` Jeffin Philip
2026-08-28 13:03   ` syzbot
2026-08-28 13:13   ` sashiko-bot
2026-08-28 13:41 ` Jeffin Philip
2026-08-28 13:52   ` sashiko-bot
2026-08-28 14:06   ` syzbot
2026-08-28 14:03 ` Jeffin Philip [this message]
2026-08-28 14:15   ` sashiko-bot
2026-08-28 14:20   ` syzbot

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