Commit 28f46656 authored Jan 30, 2020 by Alexey Dobriyan Committed by Linus Torvalds Jan 31, 2020

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@avx2


Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 225a3f53

fs/binfmt_elf.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -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))

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