Re: [syzbot] [jfs?] KASAN: slab-use-after-free Read in lbmIODone

[Edward Adam Davis]

#syz test: upstream master

diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index 306165e61438..054cc01e4579 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -1984,7 +1984,7 @@ static int lbmRead(struct jfs_log * log, int pn, struct lbuf ** bpp)
 		submit_bio(bio);
 	}
 
-	wait_event(bp->l_ioevent, (bp->l_flag != lbmREAD));
+	wait_event(bp->l_ioevent, (bp->l_flag == lbmDONE));
 
 	return 0;
 }