Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Edward Adam Davis <> | Subject | Re: [syzbot] [jfs?] WARNING in dbAdjTree | Date | Wed, 24 Jan 2024 09:38:35 +0800 |
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please test WARNING in dbAdjTree
#syz test upstream
diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 8eec84c651bf..bed14d5169f8 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -2294,6 +2294,7 @@ static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno, */ dbitno = blkno & (BPERDMAP - 1); word = dbitno >> L2DBWORD; + printk("dbitno: %d, blkno: %ld, word: %d, %s\n", dbitno, blkno, word, __func__); /* block range better be within the dmap. */ @@ -2875,8 +2876,9 @@ static void dbAdjTree(dmtree_t *tp, int leafno, int newval, bool is_ctl) /* pick up the index of the leaf for this leafno. */ lp = leafno + le32_to_cpu(tp->dmt_leafidx); + printk("lp: %d, leafno: %d, tp: %p, %s\n", lp, leafno, tp, __func__); - if (WARN_ON_ONCE(lp >= size || lp < 0)) + if (lp >= size || lp < 0) return; /* is the current value the same as the old value ? if so,
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