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exec: Fix incorrect type for ret

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[ Upstream commit 5e088248375d171b80c643051e77ade6b97bc386 ]

In the setup_arg_pages(), ret is declared as an unsigned long.
The ret might take a negative value. Therefore, its type should
be changed to int.

Signed-off-by: Xichao Zhao <zhao.xichao@vivo.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20250825073609.219855-1-zhao.xichao@vivo.com
Signed-off-by: Kees Cook <kees@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Xichao Zhao
2025-08-25 15:36:09 +08:00
committed by Greg Kroah-Hartman
parent 4a243110dc
commit 813d3d18cf
1 changed files with 1 additions and 1 deletions
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2
fs/exec.c
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@@ -748,7 +748,7 @@ int setup_arg_pages(struct linux_binprm *bprm,
unsigned long stack_top,
int executable_stack)
{
unsigned long ret;
int ret;
unsigned long stack_shift;
struct mm_struct *mm = current->mm;
struct vm_area_struct *vma = bprm->vma;