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Fri, 28 Aug 2026 07:03:48 -0700 (PDT) Received: from Default ([2409:40f4:101e:9d7e:7e26:7b81:64f6:f32]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3286f7bc825sm7107186eec.9.2026.08.28.07.03.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Aug 2026 07:03:47 -0700 (PDT) From: Jeffin Philip 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 Message-ID: <20260828140330.134760-1-jeffinphilip14@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <6a90d9ef.4d659fcc.734b4.0019.GAE@google.com> References: <6a90d9ef.4d659fcc.734b4.0019.GAE@google.com> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit #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);