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Blame 0006-i386-kvmvapic-initialise-imm32-variable.patch

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From: Prasad J Pandit <pjp@fedoraproject.org>
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Date: Thu, 7 Apr 2016 12:50:08 +0530
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Subject: [PATCH] i386: kvmvapic: initialise imm32 variable
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When processing Task Priorty Register(TPR) access, it could leak
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automatic stack variable 'imm32' in patch_instruction().
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Initialise the variable to avoid it.
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Reported by: Donghai Zdh <donghai.zdh@alibaba-inc.com>
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
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Message-Id: <1460013608-16670-1-git-send-email-ppandit@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit 691a02e2ce0c413236a78dee6f2651c937b09fb0)
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---
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 hw/i386/kvmvapic.c | 2 +-
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 1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/hw/i386/kvmvapic.c b/hw/i386/kvmvapic.c
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index c69f374..ff1e31a 100644
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--- a/hw/i386/kvmvapic.c
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+++ b/hw/i386/kvmvapic.c
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@@ -394,7 +394,7 @@ static void patch_instruction(VAPICROMState *s, X86CPU *cpu, target_ulong ip)
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     CPUX86State *env = &cpu->env;
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     VAPICHandlers *handlers;
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     uint8_t opcode[2];
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-    uint32_t imm32;
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+    uint32_t imm32 = 0;
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     target_ulong current_pc = 0;
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     target_ulong current_cs_base = 0;
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     int current_flags = 0;