The patch titled
Subject: fs/binfmt_elf.c: coredump: delete duplicated overflow check
has been added to the -mm tree. Its filename is
elf-coredump-delete-duplicated-overflow-check.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/elf-coredump-delete-duplicated-overflow-check.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/elf-coredump-delete-duplicated-overflow-check.patch
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------------------------------------------------------
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: 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@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/binfmt_elf.c | 2 --
1 file changed, 2 deletions(-)
--- a/fs/binfmt_elf.c~elf-coredump-delete-duplicated-overflow-check
+++ a/fs/binfmt_elf.c
@@ -2257,8 +2257,6 @@ static int elf_core_dump(struct coredump
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))
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
ramfs-support-o_tmpfile.patch
elf-smaller-code-generation-around-auxv-vector-fill.patch
elf-fix-start_code-calculation.patch
elf-dont-copy-elf-header-around.patch
elf-better-codegen-around-current-mm.patch
elf-make-bad_addr-unlikely.patch
elf-coredump-allocate-core-elf-header-on-stack.patch
elf-coredump-delete-duplicated-overflow-check.patch
execve-warn-if-process-starts-with-executable-stack.patch
