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authorMark Brown <broonie@kernel.org>2020-08-25 13:01:46 +0300
committerMark Brown <broonie@kernel.org>2020-08-25 13:01:46 +0300
commit3bec5b6aae830355e786e204b20a7cea38c3a8ed (patch)
treefd597b87faf55ceb2a207ee94f4feca6276696db /drivers/misc/lkdtm/heap.c
parenta577f3456c0a2fac3dee037c483753e6e68f3e49 (diff)
parentd012a7190fc1fd72ed48911e77ca97ba4521bccd (diff)
downloadlinux-3bec5b6aae830355e786e204b20a7cea38c3a8ed.tar.xz
Merge tag 'v5.9-rc2' into regulator-5.9
Linux 5.9-rc2
Diffstat (limited to 'drivers/misc/lkdtm/heap.c')
-rw-r--r--drivers/misc/lkdtm/heap.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/misc/lkdtm/heap.c b/drivers/misc/lkdtm/heap.c
index 3c5cec85edce..1323bc16f113 100644
--- a/drivers/misc/lkdtm/heap.c
+++ b/drivers/misc/lkdtm/heap.c
@@ -58,11 +58,12 @@ void lkdtm_READ_AFTER_FREE(void)
int *base, *val, saw;
size_t len = 1024;
/*
- * The slub allocator uses the first word to store the free
- * pointer in some configurations. Use the middle of the
- * allocation to avoid running into the freelist
+ * The slub allocator will use the either the first word or
+ * the middle of the allocation to store the free pointer,
+ * depending on configurations. Store in the second word to
+ * avoid running into the freelist.
*/
- size_t offset = (len / sizeof(*base)) / 2;
+ size_t offset = sizeof(*base);
base = kmalloc(len, GFP_KERNEL);
if (!base) {