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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/29311] [gdb] ThreadSanitizer: data race
 (/lib64/libtsan.so.2+0x4c5e2) in free
Date: Thu, 14 Jul 2022 07:07:55 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29311

--- Comment #7 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #0)
> I build gdb with gcc 12.1.0 (system gcc) and -fsanitize=3Dthread on openS=
USE
> (with system glibc 2.35) Tumbleweed, and ran the testsuite, and ran into
> issues with gdb.ada/char_enum_unicode.exp:
> ...
> WARNING: ThreadSanitizer: data race (pid=3D21301)^M
>   Write of size 8 at 0x7b2000008080 by main thread:^M
>     #0 free <null> (libtsan.so.2+0x4c5e2)^M
>     #1 _dl_close_worker <null> (ld-linux-x86-64.so.2+0x4b7b)^M
>     #2 convert_between_encodings(char const*, char const*, unsigned char
> const*, unsigned int, int, obstack*, transliterations)
> /data/vries/gdb_versions/devel/src/gdb/charset.c:584 (gdb+0x64fc37)^M
>   ...
> ^M
>   Previous write of size 8 at 0x7b2000008080 by thread T1:^M
>     [failed to restore the stack]^M
> ...

https://sourceware.org/pipermail/gdb-patches/2022-July/190743.html

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