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
| ||
|
Message-Id: <20220225082048.19524-1-baijiaju1990@gmail.com> Date: Fri, 25 Feb 2022 00:20:48 -0800 From: Jia-Ju Bai <baijiaju1990@...il.com> To: colyli@...e.de, kent.overstreet@...il.com Cc: linux-bcache@...r.kernel.org, linux-kernel@...r.kernel.org, Jia-Ju Bai <baijiaju1990@...il.com> Subject: [PATCH] md: bcache: check the return value of kzalloc() in detached_dev_do_request() The function kzalloc() in detached_dev_do_request() can fail, so its return value should be checked. Fixes: bc082a55d25c (bcache: fix inaccurate io state for detached bcache devices) Reported-by: TOTE Robot <oslab@...nghua.edu.cn> Signed-off-by: Jia-Ju Bai <baijiaju1990@...il.com> --- drivers/md/bcache/request.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index d15aae6c51c1..1b5ccfa93b8c 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -1107,6 +1107,8 @@ static void detached_dev_do_request(struct bcache_device *d, struct bio *bio, * which would call closure_get(&dc->disk.cl) */ ddip = kzalloc(sizeof(struct detached_dev_io_private), GFP_NOIO); + if (!ddip) + return; ddip->d = d; /* Count on the bcache device */ ddip->orig_bdev = orig_bdev; -- 2.17.1
Powered by blists - more mailing lists