From: Kovtunenko Oleksandr <alexander198961@gmail.com>
To: shaggy@kernel.org, jfs-discussion@lists.sourceforge.net,
linux-kernel@vger.kernel.org
Cc: alexander198961@gmail.com
Subject: [PATCH] set block device for dummy log . In this fix try to avoid null in the call bio_set_dev(bio, bdev) because in case bdev is null we have NULL pointer dereference ticket reference https://bugzilla.kernel.org/show_bug.cgi?id=203737
Date: Mon, 17 Jun 2019 14:13:21 +0000 [thread overview]
Message-ID: <1560780801-5364-1-git-send-email-alexander198961@gmail.com> (raw)
---
fs/jfs/jfs_logmgr.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index 6b68df3..3cd7026 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -1223,6 +1223,7 @@ static int open_dummy_log(struct super_block *sb)
/* Make up some stuff */
dummy_log->base = 0;
dummy_log->size = 1024;
+ dummy_log->bdev = sb->s_bdev;
rc = lmLogInit(dummy_log);
if (rc) {
kfree(dummy_log);
--
1.8.3.1
reply other threads:[~2019-06-17 14:13 UTC|newest]
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