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Re: [Qemu-devel] [PULL 00/15] vhost, pc: fixes for 2.5
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PULL 00/15] vhost, pc: fixes for 2.5 |
Date: |
Thu, 26 Nov 2015 18:19:46 +0200 |
On Thu, Nov 26, 2015 at 11:26:10AM +0000, Peter Maydell wrote:
> On 19 November 2015 at 13:35, Michael S. Tsirkin <address@hidden> wrote:
> > The following changes since commit 8337c6cbc37c6b2184f41bab3eaff47d5e68012a:
> >
> > Update version for v2.5.0-rc0 release (2015-11-13 17:10:36 +0000)
> >
> > are available in the git repository at:
> >
> > git://git.kernel.org/pub/scm/virt/kvm/mst/qemu.git tags/for_upstream
> >
> > for you to fetch changes up to 1c7ba94a184df1eddd589d5400d879568d3e5d08:
> >
> > exec: silence hugetlbfs warning under qtest (2015-11-19 15:26:05 +0200)
> >
> > ----------------------------------------------------------------
> > vhost, pc: fixes for 2.5
> >
> > Fixes all over the place.
> >
> > This also re-enables a test we disabled in 2.5 cycle
> > now that there's a way not to get a warning from it.
> >
> > Signed-off-by: Michael S. Tsirkin <address@hidden>
>
> Hi; I've just noticed that since this pull was applied the Travis
> builds have been failing:
> https://travis-ci.org/qemu/qemu/builds
>
> The log messages are rather odd but suggest a virtio-user problem:
So far, it looks like I found a bunch of qemu-char (or possibly glib?)
problems.
This is on Fedora 23.
How to reproduce:
First, apply this patch:
vhost-user-test: fix migration overlap test
Now
address@hidden qemu]$ make -j 16
CC qemu-char.o
LINK x86_64-softmmu/qemu-system-x86_64
LINK i386-softmmu/qemu-system-i386
address@hidden qemu]$ make tests/vhost-user-test
CC tests/vhost-user-test.o
LINK tests/vhost-user-test
Run under valgrind:
QTEST_QEMU_BINARY=./x86_64-softmmu/qemu-system-x86_64 valgrind
tests/vhost-user-test
What seems to happen is that after remove_fd_in_watch, read callback
is still invoked. read fails so it calls close, and close
causes use after free.
Help would be appreciated.
--
MST
- [Qemu-devel] [PULL 05/15] vhost-user: print original request on error, (continued)
- [Qemu-devel] [PULL 05/15] vhost-user: print original request on error, Michael S. Tsirkin, 2015/11/19
- [Qemu-devel] [PULL 09/15] tests/vhost-user-bridge: implement logging of dirty pages, Michael S. Tsirkin, 2015/11/19
- [Qemu-devel] [PULL 11/15] vhost-user: ignore qemu-only features, Michael S. Tsirkin, 2015/11/19
- [Qemu-devel] [PULL 10/15] specs/vhost-user: fix spec to match reality, Michael S. Tsirkin, 2015/11/19
- [Qemu-devel] [PULL 12/15] vhost-user: fix log size, Michael S. Tsirkin, 2015/11/19
- [Qemu-devel] [PULL 13/15] acpi: fix buffer overrun on migration, Michael S. Tsirkin, 2015/11/19
- [Qemu-devel] [PULL 14/15] tests: re-enable vhost-user-test, Michael S. Tsirkin, 2015/11/19
- [Qemu-devel] [PULL 15/15] exec: silence hugetlbfs warning under qtest, Michael S. Tsirkin, 2015/11/19
- Re: [Qemu-devel] [PULL 00/15] vhost, pc: fixes for 2.5, Peter Maydell, 2015/11/19
- Re: [Qemu-devel] [PULL 00/15] vhost, pc: fixes for 2.5, Peter Maydell, 2015/11/26
- Re: [Qemu-devel] [PULL 00/15] vhost, pc: fixes for 2.5,
Michael S. Tsirkin <=