提交 28f46656 编写于 作者: A Alexey Dobriyan 提交者: Linus Torvalds

fs/binfmt_elf.c: coredump: delete duplicated overflow check

array_size() macro will do overflow check anyway.

Link: http://lkml.kernel.org/r/20191222144009.GB24341@avx2Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 225a3f53
......@@ -2257,8 +2257,6 @@ static int elf_core_dump(struct coredump_params *cprm)
dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE);
if (segs - 1 > ULONG_MAX / sizeof(*vma_filesz))
goto end_coredump;
vma_filesz = kvmalloc(array_size(sizeof(*vma_filesz), (segs - 1)),
GFP_KERNEL);
if (ZERO_OR_NULL_PTR(vma_filesz))
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册
新手
引导
客服 返回
顶部