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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, qemu-block@nongnu.org, qemu-arm@nongnu.org,
	"Artem Chernyshev" <artem.chernyshev@red-soft.ru>,
	"Oleg Sviridov" <oleg.sviridov@red-soft.ru>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"David Woodhouse" <dwmw2@infradead.org>,
	"Paul Durrant" <paul@xen.org>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"Eduardo Habkost" <eduardo@habkost.net>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Marcel Apfelbaum" <marcel.apfelbaum@gmail.com>
Subject: [PULL 14/15] hw/xen_evtchn: Initialize flush_kvm_routes
Date: Tue,  2 Apr 2024 16:24:29 +0200	[thread overview]
Message-ID: <20240402142431.70700-15-philmd@linaro.org> (raw)
In-Reply-To: <20240402142431.70700-1-philmd@linaro.org>

From: Artem Chernyshev <artem.chernyshev@red-soft.ru>

In xen_evtchn_soft_reset() variable flush_kvm_routes can
be used before being initialized.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Oleg Sviridov <oleg.sviridov@red-soft.ru>
Signed-off-by: Artem Chernyshev <artem.chernyshev@red-soft.ru>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240329113939.257033-1-artem.chernyshev@red-soft.ru>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/i386/kvm/xen_evtchn.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/i386/kvm/xen_evtchn.c b/hw/i386/kvm/xen_evtchn.c
index a5052c0ea3..07bd0c9ab8 100644
--- a/hw/i386/kvm/xen_evtchn.c
+++ b/hw/i386/kvm/xen_evtchn.c
@@ -1097,7 +1097,7 @@ static int close_port(XenEvtchnState *s, evtchn_port_t port,
 int xen_evtchn_soft_reset(void)
 {
     XenEvtchnState *s = xen_evtchn_singleton;
-    bool flush_kvm_routes;
+    bool flush_kvm_routes = false;
     int i;
 
     if (!s) {
-- 
2.41.0



  parent reply	other threads:[~2024-04-02 14:27 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-02 14:24 [PULL 00/15] Misc HW patches for 2024-04-02 Philippe Mathieu-Daudé
2024-04-02 14:24 ` [PULL 01/15] accel/tcg/plugin: Remove CONFIG_SOFTMMU_GATE definition Philippe Mathieu-Daudé
2024-04-02 14:24 ` [PULL 02/15] gdbstub: Correct invalid mentions of 'softmmu' by 'system' Philippe Mathieu-Daudé
2024-04-02 14:24 ` [PULL 03/15] gdbstub/system: Rename 'user_ctx' argument as 'ctx' Philippe Mathieu-Daudé
2024-04-02 14:24 ` [PULL 04/15] target/ppc: Rename init_excp_4xx_softmmu() -> init_excp_4xx() Philippe Mathieu-Daudé
2024-04-02 14:24 ` [PULL 05/15] hw/arm/smmu: Avoid using inlined functions with external linkage again Philippe Mathieu-Daudé
2024-04-02 14:24 ` [PULL 06/15] accel/hvf: Un-inline hvf_arch_supports_guest_debug() Philippe Mathieu-Daudé
2024-04-02 14:24 ` [PULL 07/15] qtest/libqos: Reduce size_to_prdtl() declaration scope Philippe Mathieu-Daudé
2024-04-02 14:24 ` [PULL 08/15] MAINTAINERS: Fix error-report.c entry Philippe Mathieu-Daudé
2024-04-02 14:24 ` [PULL 09/15] hw/i386/pc: Restrict CXL to PCI-based machines Philippe Mathieu-Daudé
2024-04-02 14:24 ` [PULL 10/15] block: Remove unnecessary NULL check in bdrv_pad_request() Philippe Mathieu-Daudé
2024-04-02 14:24 ` [PULL 11/15] plugins: fix -Werror=maybe-uninitialized false-positive Philippe Mathieu-Daudé
2024-04-02 14:24 ` [PULL 12/15] hw/nvme: fix -Werror=maybe-uninitialized Philippe Mathieu-Daudé
2024-04-02 14:24 ` [PULL 13/15] gpio/pca955x: Update maintainer email address Philippe Mathieu-Daudé
2024-04-02 14:24 ` Philippe Mathieu-Daudé [this message]
2024-04-02 14:24 ` [PULL 15/15] hw/net/virtio-net: fix qemu set used ring flag even vhost started Philippe Mathieu-Daudé
2024-04-02 16:51 ` [PULL 00/15] Misc HW patches for 2024-04-02 Peter Maydell

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