Function ocfs2_abort_trigger() use bh->b_assoc_map to get sb.
But there's no function to set bh->b_assoc_map in ocfs2, it
will trigger NULL pointer dereference while calling this
function. We can get sb from bh->b_bdev->bd_super instead of
b_assoc_map.
Signed-off-by: joyce.xue <xuejiu...@huawei.com>
---
fs/ocfs2/journal.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index ff53192..11cb383 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -573,7 +573,7 @@ static void ocfs2_abort_trigger(struct
jbd2_buffer_trigger_type *triggers,
/* We aren't guaranteed to have the superblock here - but if we
* don't, it'll just crash. */
- ocfs2_error(bh->b_assoc_map->host->i_sb,
+ ocfs2_error(bh->b_bdev->bd_super,
"JBD2 has aborted our journal, ocfs2 cannot continue\n");
}
--
1.8.4.3
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