Merge branch 'mm-hotfixes-stable' into mm-stable to pick up "mm/shmem,

swap: fix race of truncate and swap entry split", needed for merging "mm,
swap: cleanup swap entry management workflow".

1 files changed, 2 insertions, 5 deletions

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 316762e6c9b4..03e1117480d5 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -4335,7 +4335,7 @@ void *vrealloc_node_align_noprof(const void *p, size_t size, unsigned long align
 		if (want_init_on_free() || want_init_on_alloc(flags))
 			memset((void *)p + size, 0, old_size - size);
 		vm->requested_size = size;
-		kasan_poison_vmalloc(p + size, old_size - size);
+		kasan_vrealloc(p, old_size, size);
 		return (void *)p;
 	}
 
@@ -4343,16 +4343,13 @@ void *vrealloc_node_align_noprof(const void *p, size_t size, unsigned long align
 	 * We already have the bytes available in the allocation; use them.
 	 */
 	if (size <= alloced_size) {
-		kasan_unpoison_vmalloc(p + old_size, size - old_size,
-				       KASAN_VMALLOC_PROT_NORMAL |
-				       KASAN_VMALLOC_VM_ALLOC |
-				       KASAN_VMALLOC_KEEP_TAG);
 		/*
 		 * No need to zero memory here, as unused memory will have
 		 * already been zeroed at initial allocation time or during
 		 * realloc shrink time.
 		 */
 		vm->requested_size = size;
+		kasan_vrealloc(p, old_size, size);
 		return (void *)p;
 	}