[Bug tui/29328] New: [gdb/tui] SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread) (/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock

[Bug tui/29328] New: [gdb/tui] SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread) (/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29328

            Bug ID: 29328
           Summary: [gdb/tui] SUMMARY: ThreadSanitizer: unlock of an
                    unlocked mutex (or by a wrong thread)
                    (/usr/lib64/libtsan.so.2+0x47361) in
                    pthread_mutex_unlock
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: tui
          Assignee: unassigned at sourceware dot org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

When building gdb using thread sanitizer and running the gdb test-suite, I run
into a fair amount of these:
...
SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread)
(/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock
SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread)
(/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock
SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread)
(/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock
SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread)
(/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock
SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread)
(/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock
SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread)
(/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock
SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread)
(/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock
SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread)
(/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock
SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread)
(/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock
SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread)
(/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock
SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread)
(/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock
SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread)
(/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock
...

AFAICT, this is a problem in ncurses.  I've sent an email to
bug-ncurses@gnu.org , I'll post a link once it's published in the archives.

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[Bug tui/29328] [gdb/tui] SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread) (/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29328

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #0)
> AFAICT, this is a problem in ncurses.  I've sent an email to
> bug-ncurses@gnu.org , I'll post a link once it's published in the archives.

https://lists.gnu.org/archive/html/bug-ncurses/2022-07/msg00002.html

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[Bug tui/29328] [gdb/tui] SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread) (/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29328

--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
Patch to add suppression in new tsan-suppressions.txt file:
https://sourceware.org/pipermail/gdb-patches/2022-July/190619.html

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[Bug testsuite/29328] [gdb/tui] SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread) (/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29328

Tom de Vries <vries at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|tui                         |testsuite

--- Comment #3 from Tom de Vries <vries at gcc dot gnu.org> ---
Not a gdb problem, reclassifying as testsuite problem.

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[Bug testsuite/29328] [gdb/tui] SUMMARY: ThreadSanitizer: unlock of an unlocked mutex (or by a wrong thread) (/usr/lib64/libtsan.so.2+0x47361) in pthread_mutex_unlock

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29328

Tom de Vries <vries at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
   Target Milestone|---                         |13.1
         Resolution|---                         |FIXED

--- Comment #4 from Tom de Vries <vries at gcc dot gnu.org> ---
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=09559238fdcca6ffa2ddfdd6a89ac919a9ccb80d

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