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-rw-r--r--arch/x86/kernel/crash.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index 44404e2307bb..ce5f8e25f70d 100644
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -23,6 +23,7 @@
#include <linux/export.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
+#include <linux/overflow.h>
#include <asm/processor.h>
#include <asm/hardirq.h>
@@ -565,7 +566,7 @@ int crash_setup_memmap_entries(struct kimage *image, struct boot_params *params)
struct crash_memmap_data cmd;
struct crash_mem *cmem;
- cmem = vzalloc(sizeof(struct crash_mem));
+ cmem = vzalloc(struct_size(cmem, ranges, 1));
if (!cmem)
return -ENOMEM;