From: bugzilla-daemon@kernel.org
To: kvm@vger.kernel.org
Subject: [Bug 215995] New: error: array subscript 32 is above array bounds of ‘long unsigned int[17]’
Date: Wed, 18 May 2022 06:45:45 +0000 [thread overview]
Message-ID: <bug-215995-28872@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=215995
Bug ID: 215995
Summary: error: array subscript 32 is above array bounds of
‘long unsigned int[17]’
Product: Virtualization
Version: unspecified
Kernel Version: 5.18.0-rc7
Hardware: AMD
OS: Linux
Tree: Mainline
Status: NEW
Severity: blocking
Priority: P1
Component: kvm
Assignee: virtualization_kvm@kernel-bugs.osdl.org
Reporter: ionut_n2001@yahoo.com
Regression: No
Hi Kernel Team,
Today i notice one error on compiling kernel in kvm area.
Error:
CC [M] arch/x86/kvm/svm/svm_onhyperv.o
CHK kernel/kheaders_data.tar.xz
In function ‘reg_read’,
inlined from ‘reg_rmw’ at arch/x86/kvm/emulate.c:266:2,
inlined from ‘decode_register’ at arch/x86/kvm/emulate.c:985:7:
arch/x86/kvm/emulate.c:254:27: error: array subscript 32 is above array bounds
of ‘long unsigned int[17]’ [-Werror=array-bounds]
254 | return ctxt->_regs[nr];
| ~~~~~~~~~~~^~~~
In file included from arch/x86/kvm/emulate.c:23:
arch/x86/kvm/kvm_emulate.h: In function ‘decode_register’:
arch/x86/kvm/kvm_emulate.h:366:23: note: while referencing ‘_regs’
366 | unsigned long _regs[NR_VCPU_REGS];
| ^~~~~
cc1: all warnings being treated as errors
make[4]: *** [scripts/Makefile.build:288: arch/x86/kvm/emulate.o] Error 1
make[4]: *** Waiting for unfinished jobs....
CHK include/generated/compile.h
make[3]: *** [scripts/Makefile.build:550: arch/x86/kvm] Error 2
make[2]: *** [Makefile:1882: arch/x86] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [scripts/Makefile.package:66: binrpm-pkg] Error 2
make: *** [Makefile:1588: binrpm-pkg] Error 2
cat /etc/os-release
NAME="openSUSE Tumbleweed"
# VERSION="20220516"
ID="opensuse-tumbleweed"
ID_LIKE="opensuse suse"
VERSION_ID="20220516"
PRETTY_NAME="openSUSE Tumbleweed"
ANSI_COLOR="0;32"
CPE_NAME="cpe:/o:opensuse:tumbleweed:20220516"
BUG_REPORT_URL="https://bugs.opensuse.org"
HOME_URL="https://www.opensuse.org/"
DOCUMENTATION_URL="https://en.opensuse.org/Portal:Tumbleweed"
LOGO="distributor-logo-Tumbleweed"
gcc --version
gcc (SUSE Linux) 12.1.0
Copyright (C) 2022 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
ldd --version
ldd (GNU libc) 2.35
Copyright (C) 2022 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Written by Roland McGrath and Ulrich Drepper.
CONFIG_KVM_WERROR=y
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