https://bugs.kde.org/show_bug.cgi?id=501893
Bug ID: 501893
Summary: Missing suppression for __wcscat_avx2
(strcat-strlen-avx2.h.S:68)?
Classification: Developer tools
Product: valgrind
Version: 3.24 GIT
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: memcheck
Assignee: jsew...@acm.org
Reporter: s...@gentoo.org
Target Milestone: ---
Hi!
When running the libxslt testsuite under Valgrind, I see:
```
$ valgrind -q --leak-check=no --trace-children=yes
--trace-children-skip=valgrind,make,ninja
--trace-children-skip-by-arg=valgrind,make,ninja --exit-on-first-error=yes
--error-exitcode=1 make heck-local
make[2]: Entering directory
'/var/tmp/portage/dev-libs/libxslt-1.1.43/work/libxslt-1.1.43-abi_x86_64.amd64-python3_10/python/tests'
-- basic.py
==19822== Conditional jump or move depends on uninitialised value(s)
==19822== at 0x4D8FD2A: __wcscat_avx2 (strcat-strlen-avx2.h.S:68)
==19822== by 0x4A9DE98: ??? (in /usr/lib64/libpython3.10.so.1.0)
==19822== by 0x4A73F74: ??? (in /usr/lib64/libpython3.10.so.1.0)
==19822== by 0x4A782BB: ??? (in /usr/lib64/libpython3.10.so.1.0)
==19822== by 0x4A78EAA: ??? (in /usr/lib64/libpython3.10.so.1.0)
==19822== by 0x4A79BBF: Py_InitializeFromConfig (in
/usr/lib64/libpython3.10.so.1.0)
==19822== by 0x4A9E4A1: ??? (in /usr/lib64/libpython3.10.so.1.0)
==19822== by 0x4A9F7CF: Py_BytesMain (in /usr/lib64/libpython3.10.so.1.0)
==19822== by 0x4C53DF4: (below main) (libc_start_call_main.h:58)
```
This is with `ld.so (Gentoo 2.41-r1 (patchset 2)) stable release version 2.41`
on:
```
$ uname -a
Linux sam-build 6.12.16-gentoo-dist-hardened #1 SMP PREEMPT_DYNAMIC Tue Mar 11
16:55:27 CDT 2025 x86_64 AMD EPYC 7R13 48-Core Processor AuthenticAMD GNU/Linux
```
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