Re: [Qemu-devel] [Bug 1815911] Re: aptitude crashes qemu-m68k with handle_cpu_signal received signal outside vCPU context
On 2/15/19 1:47 PM, Laurent Vivier wrote:
> It seems it crashes during futex syscall:
>
> ...
> [pid 4] getpid()= 4
> [pid 4] tgkill(4, 24, SIGRT_1) = 0
> [pid24] <... futex resumed> ) = ? ERESTARTSYS (To be restarted if
> SA_RESTART is set)
> [pid24] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_TKILL, si_pid=4,
> si_uid=0} ---
> [pid 4] futex(0x7f77abb4f610, FUTEX_WAIT_PRIVATE, 16777216, NULL
>
> [pid24] getpid()= 4
> [pid24] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x10}
> ---
> ...
The crash also reproduces with qemu-sh4, so it's not specific to m68k.
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https://bugs.launchpad.net/bugs/1815911
Title:
aptitude crashes qemu-m68k with handle_cpu_signal received signal
outside vCPU context
Status in QEMU:
New
Bug description:
When building a package with sbuild on Debian, sbuild can use aptitude
to resolve dependencies.
Recently, some changes introduced to aptitude or related packages
cause qemu to crash:
(sid-m68k-sbuild)root@nofan:/# aptitude -y --without-recommends -o
Dpkg::Options::=--force-confold -o
Aptitude::CmdLine::Ignore-Trust-Violations=false -o
Aptitude::ProblemResolver::StepScore=100 -o
Aptitude::ProblemResolver::SolutionCost="safety, priority,
non-default-versions" -o Aptitude::ProblemResolver::Hints::KeepDummy="reject
sbuild-build-depends-core-dummy :UNINST" -o
Aptitude::ProblemResolver::Keep-All-Level=55000 -o
Aptitude::ProblemResolver::Remove-Essential-Level=maximum install vim
Warning: Invalid locale (please review locale settings, this might lead to
problems later):
locale::facet::_S_create_c_locale name not valid
The following NEW packages will be installed:
libgpm2{a} vim vim-common{a} vim-runtime{a} xxd{a}
0 packages upgraded, 5 newly installed, 0 to remove and 1 not upgraded.
Need to get 7225 kB/7260 kB of archives. After unpacking 33.5 MB will be used.
qemu:handle_cpu_signal received signal outside vCPU context @ pc=0x6019d1bf
qemu:handle_cpu_signal received signal outside vCPU context @ pc=0x601b64ab
Segmentation fault
(sid-m68k-sbuild)root@nofan:/#
The crash does not reproduce on real hardware running Debian unstable.
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1815911/+subscriptions
[Qemu-devel] [Bug 1815911] Re: aptitude crashes qemu-m68k with handle_cpu_signal received signal outside vCPU context
It seems it crashes during futex syscall:
...
[pid 4] getpid()= 4
[pid 4] tgkill(4, 24, SIGRT_1) = 0
[pid24] <... futex resumed> ) = ? ERESTARTSYS (To be restarted if
SA_RESTART is set)
[pid24] --- SIGRT_1 {si_signo=SIGRT_1, si_code=SI_TKILL, si_pid=4,
si_uid=0} ---
[pid 4] futex(0x7f77abb4f610, FUTEX_WAIT_PRIVATE, 16777216, NULL
[pid24] getpid()= 4
[pid24] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x10}
---
...
--
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1815911
Title:
aptitude crashes qemu-m68k with handle_cpu_signal received signal
outside vCPU context
Status in QEMU:
New
Bug description:
When building a package with sbuild on Debian, sbuild can use aptitude
to resolve dependencies.
Recently, some changes introduced to aptitude or related packages
cause qemu to crash:
(sid-m68k-sbuild)root@nofan:/# aptitude -y --without-recommends -o
Dpkg::Options::=--force-confold -o
Aptitude::CmdLine::Ignore-Trust-Violations=false -o
Aptitude::ProblemResolver::StepScore=100 -o
Aptitude::ProblemResolver::SolutionCost="safety, priority,
non-default-versions" -o Aptitude::ProblemResolver::Hints::KeepDummy="reject
sbuild-build-depends-core-dummy :UNINST" -o
Aptitude::ProblemResolver::Keep-All-Level=55000 -o
Aptitude::ProblemResolver::Remove-Essential-Level=maximum install vim
Warning: Invalid locale (please review locale settings, this might lead to
problems later):
locale::facet::_S_create_c_locale name not valid
The following NEW packages will be installed:
libgpm2{a} vim vim-common{a} vim-runtime{a} xxd{a}
0 packages upgraded, 5 newly installed, 0 to remove and 1 not upgraded.
Need to get 7225 kB/7260 kB of archives. After unpacking 33.5 MB will be used.
qemu:handle_cpu_signal received signal outside vCPU context @ pc=0x6019d1bf
qemu:handle_cpu_signal received signal outside vCPU context @ pc=0x601b64ab
Segmentation fault
(sid-m68k-sbuild)root@nofan:/#
The crash does not reproduce on real hardware running Debian unstable.
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1815911/+subscriptions
