search for: 07ec51480b5e

On Thu, Mar 23, 2017 at 03:19:07PM +0000, Richard W.M. Jones wrote: > On Thu, Mar 23, 2017 at 01:13:50PM +0800, Jason Wang wrote: > > >From 312859b596e83a2164a8430343d31fce2a5ad808 Mon Sep 17 00:00:00 2001 > > From: Jason Wang <jasowang at redhat.com> > > Date: Thu, 23 Mar 2017 13:07:16 +0800 > > Subject: [PATCH] virtio_pci: fix out of bound access for

...m/show_bug.cgi?id=1433899 > > The crashes are not always consistent but they are generally > some flavor of oops or GPF in virtio related code. Multiple people > have done bisections (Thank you Thorsten Leemhuis and > Richard W.M. Jones) and found this commit to be at fault > > 07ec51480b5eb1233f8c1b0f5d7a7c8d1247c507 is the first bad commit > commit 07ec51480b5eb1233f8c1b0f5d7a7c8d1247c507 > Author: Christoph Hellwig <hch at lst.de> > Date: Sun Feb 5 18:15:19 2017 +0100 > > virtio_pci: use shared interrupts for virtqueues > > This lets IRQ...

On Thu, Mar 23, 2017 at 01:13:50PM +0800, Jason Wang wrote: > >From 312859b596e83a2164a8430343d31fce2a5ad808 Mon Sep 17 00:00:00 2001 > From: Jason Wang <jasowang at redhat.com> > Date: Thu, 23 Mar 2017 13:07:16 +0800 > Subject: [PATCH] virtio_pci: fix out of bound access for msix_names > > Signed-off-by: Jason Wang <jasowang at redhat.com> I tested this, and it

On Thu, Mar 23, 2017 at 01:13:50PM +0800, Jason Wang wrote: > >From 312859b596e83a2164a8430343d31fce2a5ad808 Mon Sep 17 00:00:00 2001 > From: Jason Wang <jasowang at redhat.com> > Date: Thu, 23 Mar 2017 13:07:16 +0800 > Subject: [PATCH] virtio_pci: fix out of bound access for msix_names > > Signed-off-by: Jason Wang <jasowang at redhat.com> I tested this, and it

...94911 https://bugzilla.redhat.com/show_bug.cgi?id=1433899 The crashes are not always consistent but they are generally some flavor of oops or GPF in virtio related code. Multiple people have done bisections (Thank you Thorsten Leemhuis and Richard W.M. Jones) and found this commit to be at fault 07ec51480b5eb1233f8c1b0f5d7a7c8d1247c507 is the first bad commit commit 07ec51480b5eb1233f8c1b0f5d7a7c8d1247c507 Author: Christoph Hellwig <hch at lst.de> Date: Sun Feb 5 18:15:19 2017 +0100 virtio_pci: use shared interrupts for virtqueues This lets IRQ layer handle dispatching IRQs to sep...

...94911 https://bugzilla.redhat.com/show_bug.cgi?id=1433899 The crashes are not always consistent but they are generally some flavor of oops or GPF in virtio related code. Multiple people have done bisections (Thank you Thorsten Leemhuis and Richard W.M. Jones) and found this commit to be at fault 07ec51480b5eb1233f8c1b0f5d7a7c8d1247c507 is the first bad commit commit 07ec51480b5eb1233f8c1b0f5d7a7c8d1247c507 Author: Christoph Hellwig <hch at lst.de> Date: Sun Feb 5 18:15:19 2017 +0100 virtio_pci: use shared interrupts for virtqueues This lets IRQ layer handle dispatching IRQs to sep...

...quest msix vectors virtio frees the vector map but fails to reset it. It will then attempt to use that map in vp_remove_vqs on device removal and hybernation, resulting in memory corruption manifesting as warnings in PCI core, hangs etc. Reported-by: Mike Galbraith <efault at gmx.de> Fixes: 07ec51480b5e ("virtio_pci: use shared interrupts for virtqueues") Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_pci_common.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c index 2a353a...

...quest msix vectors virtio frees the vector map but fails to reset it. It will then attempt to use that map in vp_remove_vqs on device removal and hybernation, resulting in memory corruption manifesting as warnings in PCI core, hangs etc. Reported-by: Mike Galbraith <efault at gmx.de> Fixes: 07ec51480b5e ("virtio_pci: use shared interrupts for virtqueues") Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/virtio/virtio_pci_common.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c index 2a353a...