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KVM: x86 emulator: initialize memop

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memop is not initialized; this can lead to a two-byte operation
following a 4-byte operation to see garbage values.  Usually
truncation fixes things fot us later on, but at least in one case
(call abs) it doesn't.

Fix by moving memop to the auto-initialized field area.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2012-06-10 17:11:00 +03:00
parent f47cfa3174
commit cbd27ee783
1 changed files with 1 additions and 1 deletions
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arch/x86/include/asm/kvm_emulate.h
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@ -280,9 +280,9 @@ struct x86_emulate_ctxt {
u8 modrm_seg;
bool rip_relative;
unsigned long _eip;
struct operand memop;
/* Fields above regs are cleared together. */
unsigned long regs[NR_VCPU_REGS];
struct operand memop;
struct operand *memopp;
struct fetch_cache fetch;
struct read_cache io_read;