From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.160.70 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793553783; b=mLtPprGM3hK91cwFUE2v+0ymn4hUmXWVC/q7imZUmitertrBMr4Qn6VWaO4VZA2pOH2R ypPr5/fRFOOtQf37rUTRsArzxnSzHmc0gFMFmCkinpKU2qMkI1lEzI3THrw1XEfWqYX7G zV37lAP6JHsoftkjARZAQbbEugiKAmskt9bV7pj0cqft5PRpb5eweq6zwcxqX5zwbtba4 wbF7KKR+3mX4E5Dcjm+qoHXp8k+LBX1SkWZq9yr0DR59eQEjMvQf3+L1fVPboXh95HLuD r3OOpSqmEl4pyatimJF4zpljTTzxl5d8isZpPEHLqHvZMDRVXQHDySegi6np2dmWDFg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793553783; h=DMARC-Filter:Received:X-Google-DKIM-Signature:X-Gm-Message-State: MIME-Version:X-Received:Date:In-Reply-To:X-Google-Appengine-App-Id: X-Google-Appengine-App-Id-Alias:Message-ID:Subject:From:To: Content-Type; bh=7VLjjmWGwHGq6Pgha6WPCNbDxLcpZVjCm1Oh8KdPcpA=; b=pG4yA7R5ClirR0EVkEQ3xHTH6bdrVyhxaptCGO4e+LPmRKNJLKVbMWQ+nCbKf5+43wj3 PhauNC4Qy5+U3Oov3IILk4NElkP/bVCl8Oqvo95CsNEKbM+Y8GLHDUkiN6Qh7legLLigZ 2+TPw1GUEkqcr5bqrhzyVqCD2i11jo8iwEVHdBlQ1cCukTMwnlHi2nr1hDh/O7a7UUMt3 Sfq7fRBShBER5PRpZoYUN+mQJJZiIU5rNbwWl2EpGvgxdg2y52mf1juGKVoDJ3cfwajde HljNALxXzcVWL4VWk2igr7++YoAfVkrT38H8xLzVRpMMz6UP+HdnX9WBhUodAplbMeQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.remote-ip=209.85.160.70 Received: from mail-oa1-f70.google.com (mail-oa1-f70.google.com [209.85.160.70]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E7A99606A324 for ; Sun, 1 Nov 2026 17:23:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org E7A99606A324 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oa1-f70.google.com with SMTP id 586e51a60fabf-482966c4f4fso6627038fac.1 for ; Sun, 01 Nov 2026 09:23:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1793553782; x=1794158582; h=content-type:to:from:subject:message-id:in-reply-to:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to:content-type; bh=7VLjjmWGwHGq6Pgha6WPCNbDxLcpZVjCm1Oh8KdPcpA=; b=gavFB0eI3mB+TFMCJi/x2KbT/UPUqp0oi5YbNav1BwurhQhWBV+ks2oQ3Fx6L4xbxh c8jGM9rFt7szt/x9Ufb0UB+R3vtTeaXkwYD9dF8YqcDcSlwLa4g+QqJu9rt46axjKXtl AXBUTHQEH67kMxu9DNj71Ir+WyvnGi9wHU0nlrCjAjfbswMTXhsmabIJR/GvpR6t9gph kbdByrR++3WYtA6qm34l6ygHjNued9RZYDEZuIPmBxTLNMBc5KTlAFhtyrEg08rUbleD GE8zs9mhCWvD0zc5c23EJcSjb35rb/w+FrW5Yse2numsb5wR4S+KoBVCbMAtueKj5Bbq y5+A== X-Gm-Message-State: AFq9FYK0QRVN/u9WenxhLzLR9RQiSoOIlxJil/MtRLuugASZeE8Ubqh7 jV9iKoFIbUmG0rv+5xxx+tusWEEZ6nEYEaaLjUX106hVfrqgsDftjDcNFy61oUSqAxZphbxFHE7 pbSneY6ASGatVlxrnaalcm4Z70JJ1Zdzglk1sH7Px6LbecFQPKwL6NQT3tzY= X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 X-Received: by 2002:a05:6808:6404:b0:4b2:8dbf:ffd with SMTP id 5614622812f47-563ef620659mr5575976b6e.1.1793553782017; Sun, 01 Nov 2026 09:23:02 -0800 (PST) Date: Sun, 01 Nov 2026 09:23:02 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ae77576.64e51036.15cf6a.0013.GAE@google.com> Subject: Re: [syzbot] [serial?] KASAN: slab-use-after-free Read in check_tty_count From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, varun.singh10011@gmail.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+39a2135de1558208d3b3@syzkaller.appspotmail.com Tested-by: syzbot+39a2135de1558208d3b3@syzkaller.appspotmail.com Tested on: commit: cbbddb6b Merge tag 'power-utilities-2026.10.31' of git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=165ce62d580000 kernel config: https://syzkaller.appspot.com/x/.config?x=245a52f53bb4b06b dashboard link: https://syzkaller.appspot.com/bug?extid=39a2135de1558208d3b3 compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 patch: https://syzkaller.appspot.com/x/patch.diff?x=17f6dc8d580000 Note: testing is done by a robot and is best-effort only.