https://bugs.kde.org/show_bug.cgi?id=471964
Bug ID: 471964
Summary: vex amd64->IR: unhandled instruction bytes: 0x48 0xF
0xC7 0xFA 0x48 0x89 0x11 0x73 0x28 0x48
Classification: Developer tools
Product: valgrind
Version: 3.19.0
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: massif
Assignee: n...@valgrind.org
Reporter: kyle.l...@gmail.com
Target Milestone: ---
fetch https://dl-cdn.alpinelinux.org/alpine/v3.16/main/x86_64/APKINDEX.tar.gz
fetch
https://dl-cdn.alpinelinux.org/alpine/v3.16/community/x86_64/APKINDEX.tar.gz
(1/1) Installing valgrind (3.19.0-r0)
Executing busybox-1.35.0-r17.trigger
OK: 91 MiB in 20 packages
==10== Massif, a heap profiler
==10== Copyright (C) 2003-2017, and GNU GPL'd, by Nicholas Nethercote
==10== Using Valgrind-3.19.0 and LibVEX; rerun with -h for copyright info
==10== Command: qbittorrent-nox
==10==
Detected locale "C" with character encoding "ANSI_X3.4-1968", which is not
UTF-8.
Qt depends on a UTF-8 locale, but has failed to switch to one.
If this causes problems, reconfigure your locale. See the locale(1) manual
for more information.
vex amd64->IR: unhandled instruction bytes: 0x48 0xF 0xC7 0xFA 0x48 0x89 0x11
0x73 0x28 0x48
vex amd64->IR: REX=1 REX.W=1 REX.R=0 REX.X=0 REX.B=0
vex amd64->IR: VEX=0 VEX.L=0 VEX.nVVVV=0x0 ESC=0F
vex amd64->IR: PFX.66=0 PFX.F2=0 PFX.F3=0
==10== valgrind: Unrecognised instruction at address 0xd7e210.
==10== at 0xD7E210: qRandomCpu(void*, long long) (in /bin/qbittorrent-nox)
==10== by 0xBD622F: QRandomGenerator::SystemGenerator::generate(unsigned
int*, unsigned int*) (in /bin/qbittorrent-nox)
==10== by 0xBD633E:
std::enable_if<std::__and_<std::__not_<std::is_same<std::remove_cv<std::remove_reference<QRandomGenerator::SystemGenerator>::type>::type,
std::mersenne_twister_engine<unsigned int, 32ul, 624ul, 397ul, 31ul,
2567483615u, 11ul, 4294967295u, 7ul, 2636928640u, 15ul, 4022730752u, 18ul,
1812433253u> > >,
std::is_unsigned<QRandomGenerator::SystemGenerator::result_type>,
std::__not_<std::is_convertible<QRandomGenerator::SystemGenerator, unsigned
int> > >::value, void>::type std::mersenne_twister_engine<unsigned int, 32ul,
624ul, 397ul, 31ul, 2567483615u, 11ul, 4294967295u, 7ul, 2636928640u, 15ul,
4022730752u, 18ul,
1812433253u>::seed<QRandomGenerator::SystemGenerator>(QRandomGenerator::SystemGenerator&)
(in /bin/qbittorrent-nox)
==10== by 0xBD6441: QRandomGenerator64::global() (in /bin/qbittorrent-nox)
==10== by 0xC03F2A: QTemporaryFileName::generateNext() (in
/bin/qbittorrent-nox)
==10== by 0xC037F3: QTemporaryDirPrivate::create(QString const&) (in
/bin/qbittorrent-nox)
==10== by 0x9C2A8F: QLocalServerPrivate::listen(QString const&) (in
/bin/qbittorrent-nox)
==10== by 0x9C00C0: QLocalServer::listen(QString const&) (in
/bin/qbittorrent-nox)
==10== by 0x47F569: QtLocalPeer::isClient() (in /bin/qbittorrent-nox)
==10== by 0x47533D:
ApplicationInstanceManager::ApplicationInstanceManager(QString const&,
QObject*) (in /bin/qbittorrent-nox)
==10== by 0x474366: Application::Application(int&, char**) (in
/bin/qbittorrent-nox)
==10== by 0x47E26F: std::_MakeUniq<Application>::__single_object
std::make_unique<Application, int&, char**&>(int&, char**&) [clone .isra.0] (in
/bin/qbittorrent-nox)
==10== by 0x463CD4: main (in /bin/qbittorrent-nox)
==10== Your program just tried to execute an instruction that Valgrind
==10== did not recognise. There are two possible reasons for this.
==10== 1. Your program has a bug and erroneously jumped to a non-code
==10== location. If you are running Memcheck and you just saw a
==10== warning about a bad jump, it's probably your program's fault.
==10== 2. The instruction is legitimate but Valgrind doesn't handle it,
==10== i.e. it's Valgrind's fault. If you think this is the case or
==10== you are not sure, please let us know and we'll try to fix it.
==10== Either way, Valgrind will now raise a SIGILL signal which will
==10== probably kill your program.
==10==
==10== Process terminating with default action of signal 4 (SIGILL): dumping
core
==10== Illegal opcode at address 0xD7E210
==10== at 0xD7E210: qRandomCpu(void*, long long) (in /bin/qbittorrent-nox)
==10== by 0xBD622F: QRandomGenerator::SystemGenerator::generate(unsigned
int*, unsigned int*) (in /bin/qbittorrent-nox)
==10== by 0xBD633E:
std::enable_if<std::__and_<std::__not_<std::is_same<std::remove_cv<std::remove_reference<QRandomGenerator::SystemGenerator>::type>::type,
std::mersenne_twister_engine<unsigned int, 32ul, 624ul, 397ul, 31ul,
2567483615u, 11ul, 4294967295u, 7ul, 2636928640u, 15ul, 4022730752u, 18ul,
1812433253u> > >,
std::is_unsigned<QRandomGenerator::SystemGenerator::result_type>,
std::__not_<std::is_convertible<QRandomGenerator::SystemGenerator, unsigned
int> > >::value, void>::type std::mersenne_twister_engine<unsigned int, 32ul,
624ul, 397ul, 31ul, 2567483615u, 11ul, 4294967295u, 7ul, 2636928640u, 15ul,
4022730752u, 18ul,
1812433253u>::seed<QRandomGenerator::SystemGenerator>(QRandomGenerator::SystemGenerator&)
(in /bin/qbittorrent-nox)
==10== by 0xBD6441: QRandomGenerator64::global() (in /bin/qbittorrent-nox)
==10== by 0xC03F2A: QTemporaryFileName::generateNext() (in
/bin/qbittorrent-nox)
==10== by 0xC037F3: QTemporaryDirPrivate::create(QString const&) (in
/bin/qbittorrent-nox)
==10== by 0x9C2A8F: QLocalServerPrivate::listen(QString const&) (in
/bin/qbittorrent-nox)
==10== by 0x9C00C0: QLocalServer::listen(QString const&) (in
/bin/qbittorrent-nox)
==10== by 0x47F569: QtLocalPeer::isClient() (in /bin/qbittorrent-nox)
==10== by 0x47533D:
ApplicationInstanceManager::ApplicationInstanceManager(QString const&,
QObject*) (in /bin/qbittorrent-nox)
==10== by 0x474366: Application::Application(int&, char**) (in
/bin/qbittorrent-nox)
==10== by 0x47E26F: std::_MakeUniq<Application>::__single_object
std::make_unique<Application, int&, char**&>(int&, char**&) [clone .isra.0] (in
/bin/qbittorrent-nox)
==10== by 0x463CD4: main (in /bin/qbittorrent-nox)
==10==
Illegal instruction (core dumped)
Qt: 6.5.1
Libtorrent: 1.2.19.0
Boost: 1.82.0
OpenSSL: 3.1.1
zlib: 1.2.13.zlib-ng
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