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| author |   Alexey Dobriyan <adobriyan@gmail.com> | 2020-01-30 22:17:07 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2020-01-31 10:30:41 -0800 |
| commit | 28f46656ad18534f4488590b5447ec48b954420d (patch) | |
| tree | f4c01e8fafd47e2ba3bfee45c3b905cc79127da8 | |
| parent | fs/binfmt_elf.c: coredump: allocate core ELF header on stack (diff) | |
| download | linux-dev-28f46656ad18534f4488590b5447ec48b954420d.tar.xz linux-dev-28f46656ad18534f4488590b5447ec48b954420d.zip | |
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>
| -rw-r--r-- | fs/binfmt_elf.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 6bf11c1d3b0f..abd10707826a 100644 --- 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)) |