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Re: [Qemu-devel] [PATCH 2/2] qtest: fix crash if SIGABRT during qtest_in
From: |
Andreas Färber |
Subject: |
Re: [Qemu-devel] [PATCH 2/2] qtest: fix crash if SIGABRT during qtest_init() |
Date: |
Thu, 13 Mar 2014 21:10:56 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 |
Am 13.03.2014 10:41, schrieb Stefan Hajnoczi:
> If an assertion fails during qtest_init() the SIGABRT handler is
> invoked. This is the correct behavior since we need to kill the QEMU
> process to avoid leaking it when the test dies.
>
> The global_qtest pointer used by the SIGABRT handler is currently only
> assigned after qtest_init() returns. This results in a segfault if an
> assertion failure occurs during qtest_init().
>
> Move global_qtest assignment inside qtest_init(). Not pretty but let's
> face it - the signal handler dependeds on global state.
>
> Reported-by: Marcel Apfelbaum <address@hidden>
> Signed-off-by: Stefan Hajnoczi <address@hidden>
> ---
> tests/libqtest.c | 3 ++-
> tests/libqtest.h | 4 +---
> 2 files changed, 3 insertions(+), 4 deletions(-)
Thanks, applied to qom-next (with typo fix):
https://github.com/afaerber/qemu-cpu/commits/qom-next
Andreas
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SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
- [Qemu-devel] [PATCH 0/2] qtest: crash fix and improved "make check" output, Stefan Hajnoczi, 2014/03/13
- [Qemu-devel] [PATCH 1/2] tests: show the name of each executing qtest, Stefan Hajnoczi, 2014/03/13
- [Qemu-devel] [PATCH 2/2] qtest: fix crash if SIGABRT during qtest_init(), Stefan Hajnoczi, 2014/03/13
- Re: [Qemu-devel] [PATCH 2/2] qtest: fix crash if SIGABRT during qtest_init(), Marcel Apfelbaum, 2014/03/13
- Re: [Qemu-devel] [PATCH 2/2] qtest: fix crash if SIGABRT during qtest_init(),
Andreas Färber <=
- Re: [Qemu-devel] [PATCH 2/2] qtest: fix crash if SIGABRT during qtest_init(), Markus Armbruster, 2014/03/27
- Re: [Qemu-devel] [PATCH 2/2] qtest: fix crash if SIGABRT during qtest_init(), Andreas Färber, 2014/03/27
- Re: [Qemu-devel] [PATCH 2/2] qtest: fix crash if SIGABRT during qtest_init(), Marcel Apfelbaum, 2014/03/27
- Re: [Qemu-devel] [PATCH 2/2] qtest: fix crash if SIGABRT during qtest_init(), Stefan Hajnoczi, 2014/03/27
- Re: [Qemu-devel] [PATCH 2/2] qtest: fix crash if SIGABRT during qtest_init(), Markus Armbruster, 2014/03/27
- Re: [Qemu-devel] [PATCH 2/2] qtest: fix crash if SIGABRT during qtest_init(), Stefan Hajnoczi, 2014/03/27
- Re: [Qemu-devel] [PATCH 2/2] qtest: fix crash if SIGABRT during qtest_init(), Stefan Hajnoczi, 2014/03/27
Re: [Qemu-devel] [PATCH 0/2] qtest: crash fix and improved "make check" output, Marcel Apfelbaum, 2014/03/13