From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 58F9C26ED35; Sun, 1 Mar 2026 01:40:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772329232; cv=none; b=FTju5EOguWJ6chMs0vVDN552mfQg9QiUKjBqogY0HyTuvV5eIS/a8UZbyoUAqE5kMQ3kDcq4VEPq5JZ8/QDlqijPa/cKY/We9lH7GV1KEa91Nrr9pG48QRm6myIA01FzfeFt5sTKZ8ubau49zj2dFjVzOowzYW59VyW9gHP3W9U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772329232; c=relaxed/simple; bh=s4zIdeQAv6XNCvs+x1+JAKAniCoq9K+GWQLBOZIZL3s=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=L0R0/VeTD5PR0FcnhhxH5fQbslQQffPgQnRtaUy5WEti6pgOQU8JVF0gZ0b6ufYSwtIgvkryFWHrLt4Ho8UnwXu/Pi6QSr7fGLkB3IKWln0+PcYTn6Y89M35ZvB9QRjaotQHGrMYqo/CrjGZK2RIxt8sumRATpuMZDelkvMoZeY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RKWfRDUc; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="RKWfRDUc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 802DFC19424; Sun, 1 Mar 2026 01:40:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772329232; bh=s4zIdeQAv6XNCvs+x1+JAKAniCoq9K+GWQLBOZIZL3s=; h=From:To:Cc:Subject:Date:From; b=RKWfRDUckSZQm45TYpkfg0cg8gxA4OkOgOqZArfe129YjIskLKbuHP5nfOo1zyTN3 bjEMq6K+qAUUVRLW6zAxvHzDW2QNFXJbH8R2UG9eoA5+AyQyvJC5pDH8H3rGRko45Q Zs2ojVnqeJHaE70Mm9my9ui8iNZcCc8kA9WgO+mhDp+t8i/Ro4hbwBl3gdGdpwFBTi KlIFwmRmZvBqtki3FG9JNFty5Vq5x5hIuxNluzKPT9He5W6+SHS3QAqOfdv/1sfJrR 2vjUYcd8O+c401Oe0NkrAReV+y4rdzE/KXF3WT9x2LyJUuaAd1L01ywBFwUbGQ+eFU Nf9usOdZ1BDYw== From: Sasha Levin To: stable@vger.kernel.org, ebiggers@kernel.org Cc: Sami Tolvanen , Mikulas Patocka , dm-devel@lists.linux.dev Subject: FAILED: Patch "dm-verity: correctly handle dm_bufio_client_create() failure" failed to apply to 6.1-stable tree Date: Sat, 28 Feb 2026 20:40:30 -0500 Message-ID: <20260301014030.1701744-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Hint: ignore X-stable: review Content-Transfer-Encoding: 8bit The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From 119f4f04186fa4f33ee6bd39af145cdaff1ff17f Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Fri, 19 Dec 2025 11:29:08 -0800 Subject: [PATCH] dm-verity: correctly handle dm_bufio_client_create() failure If either of the calls to dm_bufio_client_create() in verity_fec_ctr() fails, then dm_bufio_client_destroy() is later called with an ERR_PTR() argument. That causes a crash. Fix this. Fixes: a739ff3f543a ("dm verity: add support for forward error correction") Cc: stable@vger.kernel.org Reviewed-by: Sami Tolvanen Signed-off-by: Eric Biggers Signed-off-by: Mikulas Patocka --- drivers/md/dm-verity-fec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/md/dm-verity-fec.c b/drivers/md/dm-verity-fec.c index ef9970b889aaf..7583607a8aa62 100644 --- a/drivers/md/dm-verity-fec.c +++ b/drivers/md/dm-verity-fec.c @@ -501,9 +501,9 @@ void verity_fec_dtr(struct dm_verity *v) mempool_exit(&f->output_pool); kmem_cache_destroy(f->cache); - if (f->data_bufio) + if (!IS_ERR_OR_NULL(f->data_bufio)) dm_bufio_client_destroy(f->data_bufio); - if (f->bufio) + if (!IS_ERR_OR_NULL(f->bufio)) dm_bufio_client_destroy(f->bufio); if (f->dev) -- 2.51.0