Use rlimit() helper instead of manually writing whole
chain from current task to rlim_cur
Signed-off-by: Krzysztof Opasiak <k.opasiak@xxxxxxxxxxx>
---
fs/exec.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/fs/exec.c b/fs/exec.c
index 904199086490..964e34e307df 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -221,7 +221,6 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
if (write) {
unsigned long size = bprm->vma->vm_end - bprm->vma->vm_start;
unsigned long ptr_size;
- struct rlimit *rlim;
/*
* Since the stack will hold pointers to the strings, we
@@ -256,8 +255,7 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
* - the program will have a reasonable amount of stack left
* to work from.
*/
- rlim = current->signal->rlim;
- if (size > READ_ONCE(rlim[RLIMIT_STACK].rlim_cur) / 4)
+ if (size > rlimit(RLIMIT_STACK) / 4)
goto fail;
}
--
2.9.3
