[Qemu-stable] [PATCH for v2.3.1] i386: kvmvapic: initialise imm32 variable

[P J P]

From: Prasad J Pandit <address@hidden>

When processing Task Priorty Register(TPR) access, it could leak
automatic stack variable 'imm32' in patch_instruction().
Initialise the variable to avoid it.

Reported by: Donghai Zdh <address@hidden>

Signed-off-by: Prasad J Pandit <address@hidden>
---
 hw/i386/kvmvapic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/i386/kvmvapic.c b/hw/i386/kvmvapic.c
index 18157c7..01b8393 100644
--- a/hw/i386/kvmvapic.c
+++ b/hw/i386/kvmvapic.c
@@ -393,7 +393,7 @@ static void patch_instruction(VAPICROMState *s, X86CPU 
*cpu, target_ulong ip)
     CPUX86State *env = &cpu->env;
     VAPICHandlers *handlers;
     uint8_t opcode[2];
-    uint32_t imm32;
+    uint32_t imm32 = 0;
     target_ulong current_pc = 0;
     target_ulong current_cs_base = 0;
     int current_flags = 0;
-- 
2.5.5