[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PULL 13/36] i386/kvm: initialize struct at full before ioc
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 13/36] i386/kvm: initialize struct at full before ioctl call |
Date: |
Tue, 20 Aug 2019 08:59:32 +0200 |
From: Andrey Shinkevich <address@hidden>
Not the whole structure is initialized before passing it to the KVM.
Reduce the number of Valgrind reports.
Signed-off-by: Andrey Shinkevich <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
target/i386/kvm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index a66b956..ce3f1c3 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -190,6 +190,7 @@ static int kvm_get_tsc(CPUState *cs)
return 0;
}
+ memset(&msr_data, 0, sizeof(msr_data));
msr_data.info.nmsrs = 1;
msr_data.entries[0].index = MSR_IA32_TSC;
env->tsc_valid = !runstate_is_running();
@@ -1706,6 +1707,7 @@ int kvm_arch_init_vcpu(CPUState *cs)
if (has_xsave) {
env->xsave_buf = qemu_memalign(4096, sizeof(struct kvm_xsave));
+ memset(env->xsave_buf, 0, sizeof(struct kvm_xsave));
}
max_nested_state_len = kvm_max_nested_state_length();
@@ -3488,6 +3490,7 @@ static int kvm_put_debugregs(X86CPU *cpu)
return 0;
}
+ memset(&dbgregs, 0, sizeof(dbgregs));
for (i = 0; i < 4; i++) {
dbgregs.db[i] = env->dr[i];
}
--
1.8.3.1
- [Qemu-devel] [PULL 02/36] target-i386: adds PV_SCHED_YIELD CPUID feature bit, (continued)
- [Qemu-devel] [PULL 02/36] target-i386: adds PV_SCHED_YIELD CPUID feature bit, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 03/36] loader: Handle memory-mapped ELFs, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 04/36] elf-ops.h: Map into memory the ELF to load, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 05/36] hw/i386/pc: Map into memory the initrd, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 07/36] configure: Define target access alignment in configure, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 06/36] memory: assert on out of scope notification, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 08/36] block: fix NetBSD qemu-iotests failure, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 10/36] target-i386: kvm: 'kvm_get_supported_msrs' cleanup, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 11/36] test-throttle: Fix uninitialized use of burst_length, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 09/36] 9p: simplify source file selection, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 13/36] i386/kvm: initialize struct at full before ioctl call,
Paolo Bonzini <=
- [Qemu-devel] [PULL 21/36] replay: add missing fix for internal function, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 24/36] replay: fix replay shutdown, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 22/36] replay: document development rules, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 30/36] cpus-common: assert BQL nesting within cpu-exclusive sections, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 31/36] kvm: vmxcap: Enhance with latest features, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 16/36] mc146818rtc: Remove reset notifiers, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 15/36] memory: fix race between TCG and accesses to dirty bitmap, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 17/36] timer: Remove reset notifiers, Paolo Bonzini, 2019/08/20
- [Qemu-devel] [PULL 12/36] tests: Fix uninitialized byte in test_visitor_in_fuzz, Paolo Bonzini, 2019/08/20