From: Prasad J Pandit <p...@fedoraproject.org>
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 <donghai....@alibaba-inc.com>
Cc: qemu-sta...@nongnu.org
Signed-off-by: Prasad J Pandit <p...@fedoraproject.org>
Message-Id: <1460013608-16670-1-git-send-email-ppan...@redhat.com>
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
(cherry picked from commit 691a02e2ce0c413236a78dee6f2651c937b09fb0)
Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com>
---
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 c69f374..ff1e31a 100644
--- a/hw/i386/kvmvapic.c
+++ b/hw/i386/kvmvapic.c
@@ -394,7 +394,7 @@ 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;
--
1.9.1
