Messages in this thread Patch in this message | | | From | Kovtunenko Oleksandr <> | 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 |
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--- 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
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