From: Ashish Samant Date: Sat, 30 Apr 2016 01:09:15 +0000 (-0700) Subject: btrfs: Fix BUG_ON condition in scrub_setup_recheck_block() X-Git-Tag: v4.1.12-92~162^2~1 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4b402e8d6ceed9dd14c1696a248e96d870785d72;p=users%2Fjedix%2Flinux-maple.git btrfs: Fix BUG_ON condition in scrub_setup_recheck_block() pagev array in scrub_block{} is of size SCRUB_MAX_PAGES_PER_BLOCK. page_index should be checked with the same to trigger BUG_ON(). Orabug : 22351960 Signed-off-by: Ashish Samant Reviewed-by: David Sterba --- diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index ab5811545a98..30aea281d583 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -1364,7 +1364,7 @@ static int scrub_setup_recheck_block(struct scrub_block *original_sblock, recover->bbio = bbio; recover->map_length = mapped_length; - BUG_ON(page_index >= SCRUB_PAGES_PER_RD_BIO); + BUG_ON(page_index >= SCRUB_MAX_PAGES_PER_BLOCK); nmirrors = min(scrub_nr_raid_mirrors(bbio), BTRFS_MAX_MIRRORS);