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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-08-08 01:35:48 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-08-08 02:28:06 +0200 |
| commit | b0ea438723d4943a0164479e338313eb98e368db (patch) | |
| tree | a8fc967b6de8fef239232530b13a5e31b59ebfe2 /ext2fs | |
| parent | 3bc9a699ca7106204ffa97272374313bf04f6cc0 (diff) | |
| download | hurd-b0ea438723d4943a0164479e338313eb98e368db.tar.gz hurd-b0ea438723d4943a0164479e338313eb98e368db.tar.bz2 hurd-b0ea438723d4943a0164479e338313eb98e368db.zip | |
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.
Diffstat (limited to 'ext2fs')
| -rw-r--r-- | ext2fs/balloc.c | 4 |
1 files changed, 2 insertions, 2 deletions
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)) |