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[v3,2/9] ppc/vof: Fix unaligned FDT property access

Message ID 20240708-san-v3-2-b03f671c40c6@daynix.com (mailing list archive)
State New, archived
Headers show
Series Fix check-qtest-ppc64 sanitizer errors | expand

Commit Message

Akihiko Odaki July 8, 2024, 6:55 a.m. UTC
FDT properties are aligned by 4 bytes, not 8 bytes.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
---
 hw/ppc/vof.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/hw/ppc/vof.c b/hw/ppc/vof.c
index e3b430a81f4f..b5b6514d79fc 100644
--- a/hw/ppc/vof.c
+++ b/hw/ppc/vof.c
@@ -646,7 +646,7 @@  static void vof_dt_memory_available(void *fdt, GArray *claimed, uint64_t base)
     mem0_reg = fdt_getprop(fdt, offset, "reg", &proplen);
     g_assert(mem0_reg && proplen == sizeof(uint32_t) * (ac + sc));
     if (sc == 2) {
-        mem0_end = be64_to_cpu(*(uint64_t *)(mem0_reg + sizeof(uint32_t) * ac));
+        mem0_end = ldq_be_p(mem0_reg + sizeof(uint32_t) * ac);
     } else {
         mem0_end = be32_to_cpu(*(uint32_t *)(mem0_reg + sizeof(uint32_t) * ac));
     }