From b0ea438723d4943a0164479e338313eb98e368db Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Tue, 8 Aug 2023 01:35:48 +0200 Subject: ext2fs: Fix shift in ext2_new_block Shifting signed integers left by 31 bits is not representable, so better make sure to use unsigned integers. --- ext2fs/balloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'ext2fs/balloc.c') diff --git a/ext2fs/balloc.c b/ext2fs/balloc.c index c921c0ca..14c18b5d 100644 --- a/ext2fs/balloc.c +++ b/ext2fs/balloc.c @@ -220,8 +220,8 @@ repeat: lmap |= (((uint32_t *) bh)[(j >> 5) + 1]) << (31 - (j & 31)); else - lmap |= 0xffffffff << (31 - (j & 31)); - if (lmap != 0xffffffffl) + lmap |= 0xffffffffu << (31 - (j & 31)); + if (lmap != 0xffffffffu) { k = ffz (lmap) + 1; if ((j + k) < le32toh (sblock->s_blocks_per_group)) -- cgit v1.2.3