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[Qemu-devel] [PATCH] target-i386: cpu: fix potential buffer overrun in g
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [PATCH] target-i386: cpu: fix potential buffer overrun in get_register_name_32() |
Date: |
Mon, 3 Jun 2013 18:23:27 +0200 |
spotted by Coverity,
x86_reg_info_32[] is CPU_NB_REGS32 elements long, so accessing
x86_reg_info_32[CPU_NB_REGS32] will be one element off array.
Signed-off-by: Igor Mammedov <address@hidden>
---
target-i386/cpu.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 1a501d9..ae8e682 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -221,7 +221,7 @@ X86RegisterInfo32 x86_reg_info_32[CPU_NB_REGS32] = {
const char *get_register_name_32(unsigned int reg)
{
- if (reg > CPU_NB_REGS32) {
+ if (reg >= CPU_NB_REGS32) {
return NULL;
}
return x86_reg_info_32[reg].name;
--
1.7.1
- [Qemu-devel] [PATCH] target-i386: cpu: fix potential buffer overrun in get_register_name_32(),
Igor Mammedov <=