linux-kernel - [PATCH 09/11] lightnvm: pblk: check for chunk size before allocating it

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1523874332-6272-10-git-send-email-javier@cnexlabs.com>
Date:   Mon, 16 Apr 2018 12:25:30 +0200
From:   "Javier González" <javier@...igon.com>
To:     mb@...htnvm.io
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Javier González <javier@...xlabs.com>
Subject: [PATCH 09/11] lightnvm: pblk: check for chunk size before allocating it

Do the check for the chunk state after making sure that the chunk type
is supported.

Fixes: 32ef9412c114 ("lightnvm: pblk: implement get log report chunk")
Signed-off-by: Javier González <javier@...xlabs.com>
---
 drivers/lightnvm/pblk-init.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index b52855f9336b..9e3a43346d4c 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -751,14 +751,14 @@ static int pblk_setup_line_meta_20(struct pblk *pblk, struct pblk_line *line,
 		chunk->cnlb = chunk_meta->cnlb;
 		chunk->wp = chunk_meta->wp;
 
-		if (!(chunk->state & NVM_CHK_ST_OFFLINE))
-			continue;
-
 		if (chunk->type & NVM_CHK_TP_SZ_SPEC) {
 			WARN_ONCE(1, "pblk: custom-sized chunks unsupported\n");
 			continue;
 		}
 
+		if (!(chunk->state & NVM_CHK_ST_OFFLINE))
+			continue;
+
 		set_bit(pos, line->blk_bitmap);
 		nr_bad_chks++;
 	}
-- 
2.7.4