From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=61.135.153.141 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793606843; b=0h5eGCbexOtCvwj9evjIGSK/2CJe7zoq8UXhMRRlLEINgaGDcGR4xyc94Ci0kWcVjqqK GNe/DISwNOyecLFbn46tbEfMdQYR9gJ7Lpp46Fsdw/S+Xq3gfVXQxVQLwZFXImgvk7Ema 4MuNAV4KGaNxGtOAQth4Qn4XqqUM4hwLyZF2rhfTh0Atg104lDmmRgfYDIP5BH7IhWyda DMaOYQ2CSsqWqIYPfNtqTFDWtNw6oSVxobMdRqvVY2KCwQB/m1k5Tlc3n3UOPPLTxb0OL Yn24Pa3pNAy628s3OIEapaFu67rFbKO60FKzGYvlpvtrs2qPUZ+/G1M8WOdHJJLnnwQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793606843; h=DMARC-Filter:DKIM-Signature:X-SMAIL-HELO:Received:X-Sender:X-Auth-ID: X-SMAIL-MID:X-SMAIL-UIID:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=nQjXmqGK5AW9/D5/P6wpNA06FJUe5Tp5fUtCfZHHY/g=; b=j9q1+oAYl7gru/a61PXoqVJiCl4saqb9JcudHJK90MaIqG1dduFZ8QB+cLiI4r4ALUTl GRNIlQ5x44YiEtLSXDMlnpZpIhGQ8gTib7MQr5ucq+Q/DZMEx7J9RQe5Bm67RelyvaPpU TK8xLrhvZ4cVc2fSXNVfeeQVk0dADGN5zWC6GANAlwwCHAl88vB0m9/9XGxGwi7RpeqB7 UrscPW00oh3+MSsKTc8b6JqfX7usVWQ3BUBeUZVXL7r/Bc4DExmJZfjP6hiqsG/Hx6/aw RUO8ThjMeGc8qZovfELwGjqR92cxYGa0EiTN6bZK6MgecIgvYlrMlLiGlpMq5oWqgIQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=sina.com; spf=pass smtp.mailfrom=sina.com; arc=none smtp.remote-ip=61.135.153.141 Received: from smtp153-141.sina.com.cn (smtp153-141.sina.com.cn [61.135.153.141]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5874F606A327 for ; Mon, 2 Nov 2026 08:07:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 5874F606A327 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sina.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sina.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sina.com; s=201208; t=1793606838; bh=nQjXmqGK5AW9/D5/P6wpNA06FJUe5Tp5fUtCfZHHY/g=; h=From:Subject:Date:Message-ID; b=LJMyLkeNkn2L7RCTB5wWEIAzMFIBtsRKbC6R3nZz9nZPMlsLCmoOhbyAAiZCunqbU mecMJLcWQQDiKjxI/NyRX+hSB30RHhUZyjDURsdW4NY1BOm5ah8k8Hp6wvuuizxJOE a4TmZ9zpDynj20pz43oUgsp419UZQzDTuC3SBPe8= X-SMAIL-HELO: lxu-ped-host.. Received: from unknown (HELO lxu-ped-host..)([111.198.231.89]) by sina.com (10.54.253.31) with ESMTP id 6AE844AF00005DF0; Mon, 2 Nov 2026 16:07:14 +0800 (CST) X-Sender: eadavis@sina.com X-Auth-ID: eadavis@sina.com Authentication-Results: sina.com; spf=none smtp.mailfrom=eadavis@sina.com; dkim=none header.i=none; dmarc=none action=none header.from=eadavis@sina.com X-SMAIL-MID: 7342496816423 X-SMAIL-UIID: D4500AC0174D403298AA3D7845CD29A4-20261102-160714-1 From: Edward Adam Davis To: syzbot+c8564fc0a96e3ecbe4d4@syzkaller.appspotmail.com Cc: agk@redhat.com, bmarzins@redhat.com, dm-devel@lists.linux.dev, linux-kernel@vger.kernel.org, mpatocka@redhat.com, snitzer@kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [dm?] WARNING: zero-size vmalloc in cache_ctr Date: Mon, 2 Nov 2026 16:07:11 +0800 Message-ID: <20261102080711.418538-1-eadavis@sina.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <6ae61f5d.61c4c7f9.11e392.001b.GAE@google.com> References: <6ae61f5d.61c4c7f9.11e392.001b.GAE@google.com> 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 Content-Transfer-Encoding: 8bit From: Edward Aadm Davis Introduced by commit a2f0a98b13db ("dm cache: drop redundant origin size check"). Reverts it can fix this issue. BR, Edward