diff --git a/qemu/target/arm/helper.c b/qemu/target/arm/helper.c
index 2802a572..8bc31e0b 100644
--- a/qemu/target/arm/helper.c
+++ b/qemu/target/arm/helper.c
@@ -5655,7 +5655,7 @@ static bool v7m_stack_write(ARMCPU *cpu, uint32_t addr, uint32_t value,
     target_ulong page_size;
     hwaddr physaddr;
     int prot;
-    ARMMMUFaultInfo fi;
+    ARMMMUFaultInfo fi = {0};
     bool secure = mmu_idx & ARM_MMU_IDX_M_S;
     int exc;
     bool exc_secure;
@@ -5713,12 +5713,12 @@ static bool v7m_stack_read(ARMCPU *cpu, uint32_t *dest, uint32_t addr,
 {
     CPUState *cs = CPU(cpu);
     CPUARMState *env = &cpu->env;
-    MemTxAttrs attrs = {};
+    MemTxAttrs attrs = {0};
     MemTxResult txres;
     target_ulong page_size;
     hwaddr physaddr;
     int prot;
-    ARMMMUFaultInfo fi;
+    ARMMMUFaultInfo fi = {0};
     bool secure = mmu_idx & ARM_MMU_IDX_M_S;
     int exc;
     bool exc_secure;