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-rw-r--r--fs/exec.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/exec.c b/fs/exec.c
index 910fc70c4542..3dad755b7048 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -191,6 +191,7 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
{
struct page *page;
int ret;
+ unsigned int gup_flags = FOLL_FORCE;
#ifdef CONFIG_STACK_GROWSUP
if (write) {
@@ -199,8 +200,12 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
return NULL;
}
#endif
- ret = get_user_pages(current, bprm->mm, pos,
- 1, write, 1, &page, NULL);
+
+ if (write)
+ gup_flags |= FOLL_WRITE;
+
+ ret = get_user_pages(current, bprm->mm, pos, 1, gup_flags,
+ &page, NULL);
if (ret <= 0)
return NULL;