Re: [PATCH] hugetlbfs: avoid overflow in hugetlbfs_fallocate
From: yangerkun <hidden>
Date: 2021-11-24 06:05:28
Also in:
linux-fsdevel
On 2021/11/24 12:24, Matthew Wilcox wrote:
On Wed, Nov 24, 2021 at 12:08:18PM +0800, yangerkun wrote:quoted
start = offset >> hpage_shift; - end = (offset + len + hpage_size - 1) >> hpage_shift; + end = ((unsigned long long)offset + len + hpage_size - 1) + >> hpage_shift;+ end = DIV_ROUND_UP_ULL(offset + len, hpage_size);
Thanks, will do it in v2!
.