Messages in this thread Patch in this message | | | Date | Sun, 22 Dec 2019 17:40:09 +0300 | From | Alexey Dobriyan <> | Subject | [PATCH -mm 2/3] ELF, coredump: delete duplicated overflow check |
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array_size() macro will do overflow check anyway.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> ---
fs/binfmt_elf.c | 2 -- 1 file changed, 2 deletions(-)
--- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -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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