[Qemu-devel] [PULL 03/24] i386: kvmvapic: initialise imm32 variable

[Paolo Bonzini]

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>
Cc: address@hidden
Signed-off-by: Prasad J Pandit <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <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 8fd27ba..5b71b1b 100644
--- a/hw/i386/kvmvapic.c
+++ b/hw/i386/kvmvapic.c
@@ -397,7 +397,7 @@ 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;
     uint32_t current_flags = 0;
-- 
1.8.3.1