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[Qemu-devel] [PULL 6/9] virtio-scsi: don't crash without a valid device
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 6/9] virtio-scsi: don't crash without a valid device |
Date: |
Thu, 26 Nov 2015 16:52:14 +0100 |
From: "Eugene (jno) Dvurechenski" <address@hidden>
Make sure that we actually have a device when checking the aio
context. Otherwise guests could trigger QEMU crashes.
Signed-off-by: "Eugene (jno) Dvurechenski" <address@hidden>
Reviewed-by: David Hildenbrand <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
hw/scsi/virtio-scsi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index 7655401..3a4f520 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -250,7 +250,7 @@ static int virtio_scsi_do_tmf(VirtIOSCSI *s, VirtIOSCSIReq
*req)
int target;
int ret = 0;
- if (s->dataplane_started) {
+ if (s->dataplane_started && d) {
assert(blk_get_aio_context(d->conf.blk) == s->ctx);
}
/* Here VIRTIO_SCSI_S_OK means "FUNCTION COMPLETE". */
--
2.5.0
- [Qemu-devel] [PULL v2 0/9] Misc patches for QEMU 2.5-rc2, Paolo Bonzini, 2015/11/26
- [Qemu-devel] [PULL 2/9] call bdrv_drain_all() even if the vm is stopped, Paolo Bonzini, 2015/11/26
- [Qemu-devel] [PULL 1/9] MAINTAINERS: Update TCG CPU cores section, Paolo Bonzini, 2015/11/26
- [Qemu-devel] [PULL 4/9] exec: remove warning about mempath and hugetlbfs, Paolo Bonzini, 2015/11/26
- [Qemu-devel] [PULL 5/9] target-sparc: fix 32-bit truncation in fpackfix, Paolo Bonzini, 2015/11/26
- [Qemu-devel] [PULL 3/9] Revert "exec: silence hugetlbfs warning under qtest", Paolo Bonzini, 2015/11/26
- [Qemu-devel] [PULL 6/9] virtio-scsi: don't crash without a valid device,
Paolo Bonzini <=
- [Qemu-devel] [PULL 7/9] target-i386: kvm: Abort if MCE bank count is not supported by host, Paolo Bonzini, 2015/11/26
- [Qemu-devel] [PULL 9/9] target-i386: kvm: Print warning when clearing mcg_cap bits, Paolo Bonzini, 2015/11/26
- [Qemu-devel] [PULL 8/9] target-i386: kvm: Use env->mcg_cap when setting up MCE, Paolo Bonzini, 2015/11/26
- Re: [Qemu-devel] [PULL v2 0/9] Misc patches for QEMU 2.5-rc2, Peter Maydell, 2015/11/26