Re: [BUG qemu 4.0] segfault when unplugging virtio-blk-pci device

2020-01-19 Thread Eryu Guan
On Tue, Jan 14, 2020 at 04:16:24PM +, Stefan Hajnoczi wrote: > On Tue, Jan 14, 2020 at 10:50:58AM +0800, Eryu Guan wrote: > > On Mon, Jan 13, 2020 at 04:38:55PM +, Stefan Hajnoczi wrote: > > > On Thu, Jan 09, 2020 at 12:58:06PM +0800, Eryu Guan wrote: > > > >

Re: [BUG qemu 4.0] segfault when unplugging virtio-blk-pci device

2020-01-13 Thread Eryu Guan
On Mon, Jan 13, 2020 at 04:38:55PM +, Stefan Hajnoczi wrote: > On Thu, Jan 09, 2020 at 12:58:06PM +0800, Eryu Guan wrote: > > On Tue, Jan 07, 2020 at 03:01:01PM +0100, Julia Suvorova wrote: > > > On Tue, Jan 7, 2020 at 2:06 PM Eryu Guan wrote: > > > > > &g

Re: [BUG qemu 4.0] segfault when unplugging virtio-blk-pci device

2020-01-08 Thread Eryu Guan
On Tue, Jan 07, 2020 at 03:01:01PM +0100, Julia Suvorova wrote: > On Tue, Jan 7, 2020 at 2:06 PM Eryu Guan wrote: > > > > On Thu, Jan 02, 2020 at 10:08:50AM +0800, Eryu Guan wrote: > > > On Tue, Dec 31, 2019 at 11:51:35AM +0100, Igor Mammedov wrote: > > > >

Re: [BUG qemu 4.0] segfault when unplugging virtio-blk-pci device

2020-01-07 Thread Eryu Guan
On Tue, Jan 07, 2020 at 03:01:01PM +0100, Julia Suvorova wrote: > On Tue, Jan 7, 2020 at 2:06 PM Eryu Guan wrote: > > > > On Thu, Jan 02, 2020 at 10:08:50AM +0800, Eryu Guan wrote: > > > On Tue, Dec 31, 2019 at 11:51:35AM +0100, Igor Mammedov wrote: > > > >

Re: [BUG qemu 4.0] segfault when unplugging virtio-blk-pci device

2020-01-07 Thread Eryu Guan
On Thu, Jan 02, 2020 at 10:08:50AM +0800, Eryu Guan wrote: > On Tue, Dec 31, 2019 at 11:51:35AM +0100, Igor Mammedov wrote: > > On Tue, 31 Dec 2019 18:34:34 +0800 > > Eryu Guan wrote: > > > > > Hi, > > > > > > I'm using qemu 4.0 and hit s

Re: [BUG qemu 4.0] segfault when unplugging virtio-blk-pci device

2020-01-01 Thread Eryu Guan
On Tue, Dec 31, 2019 at 11:51:35AM +0100, Igor Mammedov wrote: > On Tue, 31 Dec 2019 18:34:34 +0800 > Eryu Guan wrote: > > > Hi, > > > > I'm using qemu 4.0 and hit segfault when tearing down kata sandbox, I > > think it's because io completion hits use

[BUG qemu 4.0] segfault when unplugging virtio-blk-pci device

2019-12-31 Thread Eryu Guan
Hi, I'm using qemu 4.0 and hit segfault when tearing down kata sandbox, I think it's because io completion hits use-after-free when device is already gone. Is this a known bug that has been fixed? (I went through the git log but didn't find anything obvious). gdb backtrace is: Core was generated