Messages in this thread Patch in this message | | | From | Krzysztof Opasiak <> | Subject | [PATCH 3/4] fs: Use dedicated helper to access rlimit value | Date | Wed, 05 Jul 2017 19:26:43 +0200 |
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Use rlimit() helper instead of manually writing whole chain from current task to rlim_cur
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com> --- 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
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