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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/31264] New: [gdb] ThreadSanitizer: data race format.c:132
 in bfd_preserve_save
Date: Thu, 18 Jan 2024 09:49:07 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gdb
X-Bugzilla-Component: gdb
X-Bugzilla-Version: HEAD
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: vries at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P2
X-Bugzilla-Assigned-To: unassigned at sourceware dot org
X-Bugzilla-Target-Milestone: ---
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 bug_severity priority component assigned_to reporter target_milestone
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D31264

            Bug ID: 31264
           Summary: [gdb] ThreadSanitizer: data race format.c:132 in
                    bfd_preserve_save
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

When building gdb with O0 fsanitize=3Dthread, and running test-case
fission-relative-dwo, I get:
...
(gdb) file
/home/vries/gdb/build/gdb/testsuite/outputs/gdb.dwarf2/fission-relative-dwo=
/fission-relative-dwo
Reading symbols from
/home/vries/gdb/build/gdb/testsuite/outputs/gdb.dwarf2/fission-relative-dwo=
/fission-relative-dwo...
(gdb) delete breakpoints
(gdb) =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
[1m[31mWARNING: ThreadSanitizer: data race (pid=3D631374)
[1m[0m[1m[34m  Read of size 4 at 0xffffededf104 by thread T6 (mutexes:
write M0):
[1m[0m    #0 bfd_preserve_save /home/vries/gdb/src/bfd/format.c:132
(gdb+0x146e39c) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #1 bfd_check_format_matches /home/vries/gdb/src/bfd/format.c:362
(gdb+0x146f040) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #2 bfd_check_format /home/vries/gdb/src/bfd/format.c:94 (gdb+0x146e2fc)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #3 try_open_dwop_file /home/vries/gdb/src/gdb/dwarf2/read.c:9120
(gdb+0x8ab8d8) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #4 open_dwo_file /home/vries/gdb/src/gdb/dwarf2/read.c:9156 (gdb+0x8aba=
68)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #5 open_and_init_dwo_file /home/vries/gdb/src/gdb/dwarf2/read.c:9230
(gdb+0x8abf58) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #6 lookup_dwo_cutu /home/vries/gdb/src/gdb/dwarf2/read.c:9638
(gdb+0x8ada50) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #7 lookup_dwo_comp_unit /home/vries/gdb/src/gdb/dwarf2/read.c:9713
(gdb+0x8ade24) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #8 lookup_dwo_unit /home/vries/gdb/src/gdb/dwarf2/read.c:3935
(gdb+0x89b4c0) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #9 cutu_reader::cutu_reader(dwarf2_per_cu_data*, dwarf2_per_objfile*,
abbrev_table*, dwarf2_cu*, bool, abbrev_cache*)
/home/vries/gdb/src/gdb/dwarf2/read.c:4176 (gdb+0x89c2b8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #10 process_psymtab_comp_unit /home/vries/gdb/src/gdb/dwarf2/read.c:4574
(gdb+0x89d3e4) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #11 cooked_index_worker::process_cus(unsigned long,
__gnu_cxx::__normal_iterator<std::unique_ptr<dwarf2_per_cu_data,
dwarf2_per_cu_data_deleter>*, std::vector<std::unique_ptr<dwarf2_per_cu_dat=
a,
dwarf2_per_cu_data_deleter>, std::allocator<std::unique_ptr<dwarf2_per_cu_d=
ata,
dwarf2_per_cu_data_deleter> > > >,
__gnu_cxx::__normal_iterator<std::unique_ptr<dwarf2_per_cu_data,
dwarf2_per_cu_data_deleter>*, std::vector<std::unique_ptr<dwarf2_per_cu_dat=
a,
dwarf2_per_cu_data_deleter>, std::allocator<std::unique_ptr<dwarf2_per_cu_d=
ata,
dwarf2_per_cu_data_deleter> > > >) /home/vries/gdb/src/gdb/dwarf2/read.c:48=
69
(gdb+0x89e6f4) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #12 operator() /home/vries/gdb/src/gdb/dwarf2/read.c:4981 (gdb+0x89ebc8)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #13 __invoke_impl<void, cooked_index_worker::do_reading()::<lambda()>&>
/usr/include/c++/13/bits/invoke.h:61 (gdb+0x8dedfc) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #14 __invoke_r<void, cooked_index_worker::do_reading()::<lambda()>&>
/usr/include/c++/13/bits/invoke.h:111 (gdb+0x8de078) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #15 _M_invoke /usr/include/c++/13/bits/std_function.h:290 (gdb+0x8db2c8)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #16 std::function<void ()>::operator()() const
/usr/include/c++/13/bits/std_function.h:591 (gdb+0x70c308) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #17 operator() /home/vries/gdb/src/gdbsupport/task-group.cc:69
(gdb+0x1d02680) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #18 __invoke_impl<void, gdb::task_group::impl::start()::<lambda()>&>
/usr/include/c++/13/bits/invoke.h:61 (gdb+0x1d0314c) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #19 __invoke_r<void, gdb::task_group::impl::start()::<lambda()>&>
/usr/include/c++/13/bits/invoke.h:111 (gdb+0x1d02f4c) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #20 _M_invoke /usr/include/c++/13/bits/std_function.h:290 (gdb+0x1d02c9=
4)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #21 std::function<void ()>::operator()() const
/usr/include/c++/13/bits/std_function.h:591 (gdb+0x70c308) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #22 void std::__invoke_impl<void, std::function<void
()>&>(std::__invoke_other, std::function<void ()>&)
/usr/include/c++/13/bits/invoke.h:61 (gdb+0x810db4) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #23 std::enable_if<is_invocable_r_v<void, std::function<void ()>&>,
void>::type std::__invoke_r<void, std::function<void ()>&>(std::function<vo=
id
()>&) /usr/include/c++/13/bits/invoke.h:111 (gdb+0x810ad4) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #24 std::__future_base::_Task_state<std::function<void ()>,
std::allocator<int>, void ()>::_M_run()::{lambda()#1}::operator()() const
/usr/include/c++/13/future:1491 (gdb+0x8107a0) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #25
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void>::operator()() const
/usr/include/c++/13/future:1432 (gdb+0x811998) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #26 std::unique_ptr<std::__future_base::_Result<void>,
std::__future_base::_Result_base::_Deleter>
std::__invoke_impl<std::unique_ptr<std::__future_base::_Result<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void>&>(std::__invoke_other,
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void>&) /usr/include/c++/13/bits/invoke.h=
:61
(gdb+0x811734) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #27
std::enable_if<is_invocable_r_v<std::unique_ptr<std::__future_base::_Result=
_base,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void>&>,
std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> >::type
std::__invoke_r<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1},
void>&>(std::__future_base::_Task_setter<std::unique_ptr<std::__future_base=
::_Result<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void>&) /usr/include/c++/13/bits/invoke.h=
:116
(gdb+0x811284) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #28
std::_Function_handler<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> (),
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void> >::_M_invoke(std::_Any_data const&)
/usr/include/c++/13/bits/std_function.h:291 (gdb+0x810eb8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #29 std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>::operator()() const
/usr/include/c++/13/bits/std_function.h:591 (gdb+0x7fd404) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #30
std::__future_base::_State_baseV2::_M_do_set(std::function<std::unique_ptr<=
std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*)
/usr/include/c++/13/future:589 (gdb+0x7fb8c0) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #31 void std::__invoke_impl<void, void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*,
bool*>(std::__invoke_memfun_deref, void
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&)
/usr/include/c++/13/bits/invoke.h:74 (gdb+0x802ff8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #32 std::__invoke_result<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>::type
std::__invoke<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>(void
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&)
/usr/include/c++/13/bits/invoke.h:96 (gdb+0x7fff6c) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #33 std::call_once<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, v=
oid
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&,
bool*&&)::{lambda()#1}::operator()() const <null> (gdb+0x7fcf64) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #34
std::once_flag::_Prepare_execution::_Prepare_execution<std::call_once<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, v=
oid
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&,
bool*&&)::{lambda()#1}>(void
(std::__future_base::_State_baseV2::*&)(std::function<std::unique_ptr<std::=
__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*,
bool*))::{lambda()#1}::operator()() const /usr/include/c++/13/mutex:836
(gdb+0x7fffe8) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #35
std::once_flag::_Prepare_execution::_Prepare_execution<std::call_once<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, v=
oid
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&,
bool*&&)::{lambda()#1}>(void
(std::__future_base::_State_baseV2::*&)(std::function<std::unique_ptr<std::=
__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*))::{lambda()#1}::_F=
UN()
/usr/include/c++/13/mutex:836 (gdb+0x800034) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #36 pthread_once <null> (libtsan.so.2+0x66d3c) (BuildId:
fe872cc4563474b7ad67d63a019aa94e1e0df888)
    #37 __gthread_once
/usr/include/c++/13/aarch64-redhat-linux/bits/gthr-default.h:700 (gdb+0x7fa=
ef0)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #38 void std::call_once<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, v=
oid
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&) <null>
(gdb+0x7fd02c) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #39
std::__future_base::_State_baseV2::_M_set_result(std::function<std::unique_=
ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>, bool)
/usr/include/c++/13/future:428 (gdb+0x7fb4f8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #40 std::__future_base::_Task_state<std::function<void ()>,
std::allocator<int>, void ()>::_M_run() /usr/include/c++/13/future:1494
(gdb+0x810834) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #41 std::packaged_task<void ()>::operator()()
/usr/include/c++/13/future:1628 (gdb+0x1d0f4a0) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #42 gdb::thread_pool::thread_function()
/home/vries/gdb/src/gdbsupport/thread-pool.cc:246 (gdb+0x1d0e820) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #43 void std::__invoke_impl<void, void (gdb::thread_pool::*)(),
gdb::thread_pool*>(std::__invoke_memfun_deref, void (gdb::thread_pool::*&&)=
(),
gdb::thread_pool*&&) /usr/include/c++/13/bits/invoke.h:74 (gdb+0x1d12968)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #44 std::__invoke_result<void (gdb::thread_pool::*)(),
gdb::thread_pool*>::type std::__invoke<void (gdb::thread_pool::*)(),
gdb::thread_pool*>(void (gdb::thread_pool::*&&)(), gdb::thread_pool*&&)
/usr/include/c++/13/bits/invoke.h:96 (gdb+0x1d12804) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #45 void std::thread::_Invoker<std::tuple<void (gdb::thread_pool::*)(),
gdb::thread_pool*> >::_M_invoke<0ul, 1ul>(std::_Index_tuple<0ul, 1ul>)
/usr/include/c++/13/bits/std_thread.h:292 (gdb+0x1d126e4) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #46 std::thread::_Invoker<std::tuple<void (gdb::thread_pool::*)(),
gdb::thread_pool*> >::operator()() /usr/include/c++/13/bits/std_thread.h:299
(gdb+0x1d1266c) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #47 std::thread::_State_impl<std::thread::_Invoker<std::tuple<void
(gdb::thread_pool::*)(), gdb::thread_pool*> > >::_M_run()
/usr/include/c++/13/bits/std_thread.h:244 (gdb+0x1d12618) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #48 execute_native_thread_routine <null> (libstdc++.so.6+0xdda9c) (Buil=
dId:
93e3778007c3847dd08373eb42577dc85c8750e4)

[1m[34m  Previous write of size 4 at 0xffffededf104 by main thread (mutexes:
write M1):
[1m[0m    #0 bfd_cache_delete /home/vries/gdb/src/bfd/cache.c:183
(gdb+0x1467020) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #1 _bfd_cache_close_unlocked /home/vries/gdb/src/bfd/cache.c:594
(gdb+0x1468120) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #2 bfd_cache_close_all /home/vries/gdb/src/bfd/cache.c:651 (gdb+0x14682=
4c)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #3 notify_before_prompt /home/vries/gdb/src/gdb/event-top.c:478
(gdb+0x942058) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #4 top_level_prompt /home/vries/gdb/src/gdb/event-top.c:488 (gdb+0x9420=
ac)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #5 display_gdb_prompt(char const*) /home/vries/gdb/src/gdb/event-top.c:=
441
(gdb+0x941f30) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #6 command_line_handler(std::unique_ptr<char, gdb::xfree_deleter<char> =
>&&)
/home/vries/gdb/src/gdb/event-top.c:805 (gdb+0x942be4) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #7 tui_command_line_handler /home/vries/gdb/src/gdb/tui/tui-interp.c:104
(gdb+0x10365f8) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #8 gdb_rl_callback_handler /home/vries/gdb/src/gdb/event-top.c:259
(gdb+0x941884) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #9 rl_callback_read_char
/home/vries/gdb/src/readline/readline/callback.c:290 (gdb+0x11a2c7c) (Build=
Id:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #10 gdb_rl_callback_read_char_wrapper_noexcept
/home/vries/gdb/src/gdb/event-top.c:195 (gdb+0x9415f8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #11 gdb_rl_callback_read_char_wrapper
/home/vries/gdb/src/gdb/event-top.c:234 (gdb+0x941720) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #12 stdin_event_handler /home/vries/gdb/src/gdb/ui.c:155 (gdb+0x1079320)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #13 handle_file_event /home/vries/gdb/src/gdbsupport/event-loop.cc:573
(gdb+0x1cf5678) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #14 gdb_wait_for_event /home/vries/gdb/src/gdbsupport/event-loop.cc:694
(gdb+0x1cf5d3c) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #15 gdb_do_one_event(int) /home/vries/gdb/src/gdbsupport/event-loop.cc:=
264
(gdb+0x1cf4074) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #16 start_event_loop /home/vries/gdb/src/gdb/main.c:408 (gdb+0xb79354)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #17 captured_command_loop /home/vries/gdb/src/gdb/main.c:472 (gdb+0xb79=
584)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #18 captured_main /home/vries/gdb/src/gdb/main.c:1342 (gdb+0xb7b99c)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #19 gdb_main(captured_main_args*) /home/vries/gdb/src/gdb/main.c:1361
(gdb+0xb7ba4c) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #20 main /home/vries/gdb/src/gdb/gdb.c:39 (gdb+0x423ce8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)

[1m[32m  Location is heap block of size 304 at 0xffffededf0c0 allocated by
thread T6:
[1m[0m    #0 malloc <null> (libtsan.so.2+0x4538c) (BuildId:
fe872cc4563474b7ad67d63a019aa94e1e0df888)
    #1 bfd_malloc /home/vries/gdb/src/bfd/libbfd.c:290 (gdb+0x1472218)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #2 bfd_zmalloc /home/vries/gdb/src/bfd/libbfd.c:412 (gdb+0x14723c0)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #3 _bfd_new_bfd /home/vries/gdb/src/bfd/opncls.c:80 (gdb+0x14746f0)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #4 bfd_fopen /home/vries/gdb/src/bfd/opncls.c:272 (gdb+0x1474df4) (Buil=
dId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #5 gdb_bfd_open(char const*, char const*, int, bool)
/home/vries/gdb/src/gdb/gdb_bfd.c:580 (gdb+0x9a7950) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #6 try_open_dwop_file /home/vries/gdb/src/gdb/dwarf2/read.c:9116
(gdb+0x8ab89c) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #7 open_dwo_file /home/vries/gdb/src/gdb/dwarf2/read.c:9156 (gdb+0x8aba=
68)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #8 open_and_init_dwo_file /home/vries/gdb/src/gdb/dwarf2/read.c:9230
(gdb+0x8abf58) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #9 lookup_dwo_cutu /home/vries/gdb/src/gdb/dwarf2/read.c:9638
(gdb+0x8ada50) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #10 lookup_dwo_comp_unit /home/vries/gdb/src/gdb/dwarf2/read.c:9713
(gdb+0x8ade24) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #11 lookup_dwo_unit /home/vries/gdb/src/gdb/dwarf2/read.c:3935
(gdb+0x89b4c0) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #12 cutu_reader::cutu_reader(dwarf2_per_cu_data*, dwarf2_per_objfile*,
abbrev_table*, dwarf2_cu*, bool, abbrev_cache*)
/home/vries/gdb/src/gdb/dwarf2/read.c:4176 (gdb+0x89c2b8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #13 process_psymtab_comp_unit /home/vries/gdb/src/gdb/dwarf2/read.c:4574
(gdb+0x89d3e4) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #14 cooked_index_worker::process_cus(unsigned long,
__gnu_cxx::__normal_iterator<std::unique_ptr<dwarf2_per_cu_data,
dwarf2_per_cu_data_deleter>*, std::vector<std::unique_ptr<dwarf2_per_cu_dat=
a,
dwarf2_per_cu_data_deleter>, std::allocator<std::unique_ptr<dwarf2_per_cu_d=
ata,
dwarf2_per_cu_data_deleter> > > >,
__gnu_cxx::__normal_iterator<std::unique_ptr<dwarf2_per_cu_data,
dwarf2_per_cu_data_deleter>*, std::vector<std::unique_ptr<dwarf2_per_cu_dat=
a,
dwarf2_per_cu_data_deleter>, std::allocator<std::unique_ptr<dwarf2_per_cu_d=
ata,
dwarf2_per_cu_data_deleter> > > >) /home/vries/gdb/src/gdb/dwarf2/read.c:48=
69
(gdb+0x89e6f4) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #15 operator() /home/vries/gdb/src/gdb/dwarf2/read.c:4981 (gdb+0x89ebc8)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #16 __invoke_impl<void, cooked_index_worker::do_reading()::<lambda()>&>
/usr/include/c++/13/bits/invoke.h:61 (gdb+0x8dedfc) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #17 __invoke_r<void, cooked_index_worker::do_reading()::<lambda()>&>
/usr/include/c++/13/bits/invoke.h:111 (gdb+0x8de078) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #18 _M_invoke /usr/include/c++/13/bits/std_function.h:290 (gdb+0x8db2c8)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #19 std::function<void ()>::operator()() const
/usr/include/c++/13/bits/std_function.h:591 (gdb+0x70c308) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #20 operator() /home/vries/gdb/src/gdbsupport/task-group.cc:69
(gdb+0x1d02680) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #21 __invoke_impl<void, gdb::task_group::impl::start()::<lambda()>&>
/usr/include/c++/13/bits/invoke.h:61 (gdb+0x1d0314c) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #22 __invoke_r<void, gdb::task_group::impl::start()::<lambda()>&>
/usr/include/c++/13/bits/invoke.h:111 (gdb+0x1d02f4c) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #23 _M_invoke /usr/include/c++/13/bits/std_function.h:290 (gdb+0x1d02c9=
4)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #24 std::function<void ()>::operator()() const
/usr/include/c++/13/bits/std_function.h:591 (gdb+0x70c308) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #25 void std::__invoke_impl<void, std::function<void
()>&>(std::__invoke_other, std::function<void ()>&)
/usr/include/c++/13/bits/invoke.h:61 (gdb+0x810db4) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #26 std::enable_if<is_invocable_r_v<void, std::function<void ()>&>,
void>::type std::__invoke_r<void, std::function<void ()>&>(std::function<vo=
id
()>&) /usr/include/c++/13/bits/invoke.h:111 (gdb+0x810ad4) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #27 std::__future_base::_Task_state<std::function<void ()>,
std::allocator<int>, void ()>::_M_run()::{lambda()#1}::operator()() const
/usr/include/c++/13/future:1491 (gdb+0x8107a0) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #28
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void>::operator()() const
/usr/include/c++/13/future:1432 (gdb+0x811998) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #29 std::unique_ptr<std::__future_base::_Result<void>,
std::__future_base::_Result_base::_Deleter>
std::__invoke_impl<std::unique_ptr<std::__future_base::_Result<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void>&>(std::__invoke_other,
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void>&) /usr/include/c++/13/bits/invoke.h=
:61
(gdb+0x811734) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #30
std::enable_if<is_invocable_r_v<std::unique_ptr<std::__future_base::_Result=
_base,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void>&>,
std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> >::type
std::__invoke_r<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1},
void>&>(std::__future_base::_Task_setter<std::unique_ptr<std::__future_base=
::_Result<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void>&) /usr/include/c++/13/bits/invoke.h=
:116
(gdb+0x811284) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #31
std::_Function_handler<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> (),
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void> >::_M_invoke(std::_Any_data const&)
/usr/include/c++/13/bits/std_function.h:291 (gdb+0x810eb8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #32 std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>::operator()() const
/usr/include/c++/13/bits/std_function.h:591 (gdb+0x7fd404) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #33
std::__future_base::_State_baseV2::_M_do_set(std::function<std::unique_ptr<=
std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*)
/usr/include/c++/13/future:589 (gdb+0x7fb8c0) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #34 void std::__invoke_impl<void, void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*,
bool*>(std::__invoke_memfun_deref, void
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&)
/usr/include/c++/13/bits/invoke.h:74 (gdb+0x802ff8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #35 std::__invoke_result<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>::type
std::__invoke<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>(void
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&)
/usr/include/c++/13/bits/invoke.h:96 (gdb+0x7fff6c) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #36 std::call_once<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, v=
oid
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&,
bool*&&)::{lambda()#1}::operator()() const <null> (gdb+0x7fcf64) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #37
std::once_flag::_Prepare_execution::_Prepare_execution<std::call_once<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, v=
oid
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&,
bool*&&)::{lambda()#1}>(void
(std::__future_base::_State_baseV2::*&)(std::function<std::unique_ptr<std::=
__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*,
bool*))::{lambda()#1}::operator()() const /usr/include/c++/13/mutex:836
(gdb+0x7fffe8) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #38
std::once_flag::_Prepare_execution::_Prepare_execution<std::call_once<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, v=
oid
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&,
bool*&&)::{lambda()#1}>(void
(std::__future_base::_State_baseV2::*&)(std::function<std::unique_ptr<std::=
__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*))::{lambda()#1}::_F=
UN()
/usr/include/c++/13/mutex:836 (gdb+0x800034) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #39 pthread_once <null> (libtsan.so.2+0x66d3c) (BuildId:
fe872cc4563474b7ad67d63a019aa94e1e0df888)
    #40 __gthread_once
/usr/include/c++/13/aarch64-redhat-linux/bits/gthr-default.h:700 (gdb+0x7fa=
ef0)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #41 void std::call_once<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, v=
oid
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&) <null>
(gdb+0x7fd02c) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #42
std::__future_base::_State_baseV2::_M_set_result(std::function<std::unique_=
ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>, bool)
/usr/include/c++/13/future:428 (gdb+0x7fb4f8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #43 std::__future_base::_Task_state<std::function<void ()>,
std::allocator<int>, void ()>::_M_run() /usr/include/c++/13/future:1494
(gdb+0x810834) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #44 std::packaged_task<void ()>::operator()()
/usr/include/c++/13/future:1628 (gdb+0x1d0f4a0) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #45 gdb::thread_pool::thread_function()
/home/vries/gdb/src/gdbsupport/thread-pool.cc:246 (gdb+0x1d0e820) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #46 void std::__invoke_impl<void, void (gdb::thread_pool::*)(),
gdb::thread_pool*>(std::__invoke_memfun_deref, void (gdb::thread_pool::*&&)=
(),
gdb::thread_pool*&&) /usr/include/c++/13/bits/invoke.h:74 (gdb+0x1d12968)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #47 std::__invoke_result<void (gdb::thread_pool::*)(),
gdb::thread_pool*>::type std::__invoke<void (gdb::thread_pool::*)(),
gdb::thread_pool*>(void (gdb::thread_pool::*&&)(), gdb::thread_pool*&&)
/usr/include/c++/13/bits/invoke.h:96 (gdb+0x1d12804) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #48 void std::thread::_Invoker<std::tuple<void (gdb::thread_pool::*)(),
gdb::thread_pool*> >::_M_invoke<0ul, 1ul>(std::_Index_tuple<0ul, 1ul>)
/usr/include/c++/13/bits/std_thread.h:292 (gdb+0x1d126e4) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #49 std::thread::_Invoker<std::tuple<void (gdb::thread_pool::*)(),
gdb::thread_pool*> >::operator()() /usr/include/c++/13/bits/std_thread.h:299
(gdb+0x1d1266c) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #50 std::thread::_State_impl<std::thread::_Invoker<std::tuple<void
(gdb::thread_pool::*)(), gdb::thread_pool*> > >::_M_run()
/usr/include/c++/13/bits/std_thread.h:244 (gdb+0x1d12618) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #51 execute_native_thread_routine <null> (libstdc++.so.6+0xdda9c) (Buil=
dId:
93e3778007c3847dd08373eb42577dc85c8750e4)

[1m[35m  Mutex M0 (0x000003280560) created at:
[1m[0m    #0 pthread_mutex_lock <null> (libtsan.so.2+0x56b28) (BuildId:
fe872cc4563474b7ad67d63a019aa94e1e0df888)
    #1 __gthread_mutex_lock
/usr/include/c++/13/aarch64-redhat-linux/bits/gthr-default.h:749 (gdb+0x74c=
c34)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #2 std::mutex::lock() /usr/include/c++/13/bits/std_mutex.h:113
(gdb+0x74cce8) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #3 std::lock_guard<std::mutex>::lock_guard(std::mutex&)
/usr/include/c++/13/bits/std_mutex.h:249 (gdb+0x74d428) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #4 lookup_dwo_unit /home/vries/gdb/src/gdb/dwarf2/read.c:3911
(gdb+0x89b368) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #5 cutu_reader::cutu_reader(dwarf2_per_cu_data*, dwarf2_per_objfile*,
abbrev_table*, dwarf2_cu*, bool, abbrev_cache*)
/home/vries/gdb/src/gdb/dwarf2/read.c:4176 (gdb+0x89c2b8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #6 process_psymtab_comp_unit /home/vries/gdb/src/gdb/dwarf2/read.c:4574
(gdb+0x89d3e4) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #7 cooked_index_worker::process_cus(unsigned long,
__gnu_cxx::__normal_iterator<std::unique_ptr<dwarf2_per_cu_data,
dwarf2_per_cu_data_deleter>*, std::vector<std::unique_ptr<dwarf2_per_cu_dat=
a,
dwarf2_per_cu_data_deleter>, std::allocator<std::unique_ptr<dwarf2_per_cu_d=
ata,
dwarf2_per_cu_data_deleter> > > >,
__gnu_cxx::__normal_iterator<std::unique_ptr<dwarf2_per_cu_data,
dwarf2_per_cu_data_deleter>*, std::vector<std::unique_ptr<dwarf2_per_cu_dat=
a,
dwarf2_per_cu_data_deleter>, std::allocator<std::unique_ptr<dwarf2_per_cu_d=
ata,
dwarf2_per_cu_data_deleter> > > >) /home/vries/gdb/src/gdb/dwarf2/read.c:48=
69
(gdb+0x89e6f4) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #8 operator() /home/vries/gdb/src/gdb/dwarf2/read.c:4981 (gdb+0x89ebc8)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #9 __invoke_impl<void, cooked_index_worker::do_reading()::<lambda()>&>
/usr/include/c++/13/bits/invoke.h:61 (gdb+0x8dedfc) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #10 __invoke_r<void, cooked_index_worker::do_reading()::<lambda()>&>
/usr/include/c++/13/bits/invoke.h:111 (gdb+0x8de078) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #11 _M_invoke /usr/include/c++/13/bits/std_function.h:290 (gdb+0x8db2c8)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #12 std::function<void ()>::operator()() const
/usr/include/c++/13/bits/std_function.h:591 (gdb+0x70c308) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #13 operator() /home/vries/gdb/src/gdbsupport/task-group.cc:69
(gdb+0x1d02680) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #14 __invoke_impl<void, gdb::task_group::impl::start()::<lambda()>&>
/usr/include/c++/13/bits/invoke.h:61 (gdb+0x1d0314c) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #15 __invoke_r<void, gdb::task_group::impl::start()::<lambda()>&>
/usr/include/c++/13/bits/invoke.h:111 (gdb+0x1d02f4c) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #16 _M_invoke /usr/include/c++/13/bits/std_function.h:290 (gdb+0x1d02c9=
4)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #17 std::function<void ()>::operator()() const
/usr/include/c++/13/bits/std_function.h:591 (gdb+0x70c308) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #18 void std::__invoke_impl<void, std::function<void
()>&>(std::__invoke_other, std::function<void ()>&)
/usr/include/c++/13/bits/invoke.h:61 (gdb+0x810db4) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #19 std::enable_if<is_invocable_r_v<void, std::function<void ()>&>,
void>::type std::__invoke_r<void, std::function<void ()>&>(std::function<vo=
id
()>&) /usr/include/c++/13/bits/invoke.h:111 (gdb+0x810ad4) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #20 std::__future_base::_Task_state<std::function<void ()>,
std::allocator<int>, void ()>::_M_run()::{lambda()#1}::operator()() const
/usr/include/c++/13/future:1491 (gdb+0x8107a0) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #21
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void>::operator()() const
/usr/include/c++/13/future:1432 (gdb+0x811998) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #22 std::unique_ptr<std::__future_base::_Result<void>,
std::__future_base::_Result_base::_Deleter>
std::__invoke_impl<std::unique_ptr<std::__future_base::_Result<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void>&>(std::__invoke_other,
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void>&) /usr/include/c++/13/bits/invoke.h=
:61
(gdb+0x811734) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #23
std::enable_if<is_invocable_r_v<std::unique_ptr<std::__future_base::_Result=
_base,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void>&>,
std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> >::type
std::__invoke_r<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1},
void>&>(std::__future_base::_Task_setter<std::unique_ptr<std::__future_base=
::_Result<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void>&) /usr/include/c++/13/bits/invoke.h=
:116
(gdb+0x811284) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #24
std::_Function_handler<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> (),
std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Resul=
t<void>,
std::__future_base::_Result_base::_Deleter>,
std::__future_base::_Task_state<std::function<void ()>, std::allocator<int>,
void ()>::_M_run()::{lambda()#1}, void> >::_M_invoke(std::_Any_data const&)
/usr/include/c++/13/bits/std_function.h:291 (gdb+0x810eb8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #25 std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>::operator()() const
/usr/include/c++/13/bits/std_function.h:591 (gdb+0x7fd404) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #26
std::__future_base::_State_baseV2::_M_do_set(std::function<std::unique_ptr<=
std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*)
/usr/include/c++/13/future:589 (gdb+0x7fb8c0) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #27 void std::__invoke_impl<void, void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*,
bool*>(std::__invoke_memfun_deref, void
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&)
/usr/include/c++/13/bits/invoke.h:74 (gdb+0x802ff8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #28 std::__invoke_result<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>::type
std::__invoke<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>(void
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&)
/usr/include/c++/13/bits/invoke.h:96 (gdb+0x7fff6c) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #29 std::call_once<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, v=
oid
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&,
bool*&&)::{lambda()#1}::operator()() const <null> (gdb+0x7fcf64) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #30
std::once_flag::_Prepare_execution::_Prepare_execution<std::call_once<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, v=
oid
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&,
bool*&&)::{lambda()#1}>(void
(std::__future_base::_State_baseV2::*&)(std::function<std::unique_ptr<std::=
__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*,
bool*))::{lambda()#1}::operator()() const /usr/include/c++/13/mutex:836
(gdb+0x7fffe8) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #31
std::once_flag::_Prepare_execution::_Prepare_execution<std::call_once<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, v=
oid
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&,
bool*&&)::{lambda()#1}>(void
(std::__future_base::_State_baseV2::*&)(std::function<std::unique_ptr<std::=
__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*))::{lambda()#1}::_F=
UN()
/usr/include/c++/13/mutex:836 (gdb+0x800034) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #32 pthread_once <null> (libtsan.so.2+0x66d3c) (BuildId:
fe872cc4563474b7ad67d63a019aa94e1e0df888)
    #33 __gthread_once
/usr/include/c++/13/aarch64-redhat-linux/bits/gthr-default.h:700 (gdb+0x7fa=
ef0)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #34 void std::call_once<void
(std::__future_base::_State_baseV2::*)(std::function<std::unique_ptr<std::_=
_future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*>(std::once_flag&, v=
oid
(std::__future_base::_State_baseV2::*&&)(std::function<std::unique_ptr<std:=
:__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*, bool*),
std::__future_base::_State_baseV2*&&,
std::function<std::unique_ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>*&&, bool*&&) <null>
(gdb+0x7fd02c) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #35
std::__future_base::_State_baseV2::_M_set_result(std::function<std::unique_=
ptr<std::__future_base::_Result_base,
std::__future_base::_Result_base::_Deleter> ()>, bool)
/usr/include/c++/13/future:428 (gdb+0x7fb4f8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #36 std::__future_base::_Task_state<std::function<void ()>,
std::allocator<int>, void ()>::_M_run() /usr/include/c++/13/future:1494
(gdb+0x810834) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #37 std::packaged_task<void ()>::operator()()
/usr/include/c++/13/future:1628 (gdb+0x1d0f4a0) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #38 gdb::thread_pool::thread_function()
/home/vries/gdb/src/gdbsupport/thread-pool.cc:246 (gdb+0x1d0e820) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #39 void std::__invoke_impl<void, void (gdb::thread_pool::*)(),
gdb::thread_pool*>(std::__invoke_memfun_deref, void (gdb::thread_pool::*&&)=
(),
gdb::thread_pool*&&) /usr/include/c++/13/bits/invoke.h:74 (gdb+0x1d12968)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #40 std::__invoke_result<void (gdb::thread_pool::*)(),
gdb::thread_pool*>::type std::__invoke<void (gdb::thread_pool::*)(),
gdb::thread_pool*>(void (gdb::thread_pool::*&&)(), gdb::thread_pool*&&)
/usr/include/c++/13/bits/invoke.h:96 (gdb+0x1d12804) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #41 void std::thread::_Invoker<std::tuple<void (gdb::thread_pool::*)(),
gdb::thread_pool*> >::_M_invoke<0ul, 1ul>(std::_Index_tuple<0ul, 1ul>)
/usr/include/c++/13/bits/std_thread.h:292 (gdb+0x1d126e4) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #42 std::thread::_Invoker<std::tuple<void (gdb::thread_pool::*)(),
gdb::thread_pool*> >::operator()() /usr/include/c++/13/bits/std_thread.h:299
(gdb+0x1d1266c) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #43 std::thread::_State_impl<std::thread::_Invoker<std::tuple<void
(gdb::thread_pool::*)(), gdb::thread_pool*> > >::_M_run()
/usr/include/c++/13/bits/std_thread.h:244 (gdb+0x1d12618) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #44 execute_native_thread_routine <null> (libstdc++.so.6+0xdda9c) (Buil=
dId:
93e3778007c3847dd08373eb42577dc85c8750e4)

[1m[35m  Mutex M1 (0x000002fb5838) created at:
[1m[0m    #0 pthread_mutex_lock <null> (libtsan.so.2+0x56b28) (BuildId:
fe872cc4563474b7ad67d63a019aa94e1e0df888)
    #1 __gthread_mutex_lock
/usr/include/c++/13/aarch64-redhat-linux/bits/gthr-default.h:749 (gdb+0x9aa=
654)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #2 __gthread_recursive_mutex_lock
/usr/include/c++/13/aarch64-redhat-linux/bits/gthr-default.h:811 (gdb+0x9aa=
708)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #3 std::recursive_mutex::lock() /usr/include/c++/13/mutex:120
(gdb+0x9aa798) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #4 gdb_bfd_lock /home/vries/gdb/src/gdb/gdb_bfd.c:53 (gdb+0x9a67e4)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #5 bfd_lock /home/vries/gdb/src/bfd/bfd.c:1854 (gdb+0x146390c) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #6 bfd_cache_close_all /home/vries/gdb/src/bfd/cache.c:645 (gdb+0x14681=
f4)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #7 notify_before_prompt /home/vries/gdb/src/gdb/event-top.c:478
(gdb+0x942058) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #8 top_level_prompt /home/vries/gdb/src/gdb/event-top.c:488 (gdb+0x9420=
ac)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #9 display_gdb_prompt(char const*) /home/vries/gdb/src/gdb/event-top.c:=
441
(gdb+0x941f30) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #10 cli_interp_base::pre_command_loop()
/home/vries/gdb/src/gdb/cli/cli-interp.c:180 (gdb+0x6f2dd8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #11 captured_command_loop /home/vries/gdb/src/gdb/main.c:469 (gdb+0xb79=
580)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #12 captured_main /home/vries/gdb/src/gdb/main.c:1342 (gdb+0xb7b99c)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #13 gdb_main(captured_main_args*) /home/vries/gdb/src/gdb/main.c:1361
(gdb+0xb7ba4c) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #14 main /home/vries/gdb/src/gdb/gdb.c:39 (gdb+0x423ce8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)

[1m[36m  Thread T6 'gdb worker' (tid=3D631386, running) created by main thr=
ead
at:
[1m[0m    #0 pthread_create <null> (libtsan.so.2+0x4605c) (BuildId:
fe872cc4563474b7ad67d63a019aa94e1e0df888)
    #1 std::thread::_M_start_thread(std::unique_ptr<std::thread::_State,
std::default_delete<std::thread::_State> >, void (*)()) <null>
(libstdc++.so.6+0xddbe4) (BuildId: 93e3778007c3847dd08373eb42577dc85c8750e4)
    #2 gdb::thread_pool::set_thread_count(unsigned long)
/home/vries/gdb/src/gdbsupport/thread-pool.cc:169 (gdb+0x1d0e4b4) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #3 update_thread_pool_size() /home/vries/gdb/src/gdb/maint.c:866
(gdb+0xb87c70) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #4 captured_main_1 /home/vries/gdb/src/gdb/main.c:1062 (gdb+0xb7a8a4)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #5 captured_main /home/vries/gdb/src/gdb/main.c:1332 (gdb+0xb7b998)
(BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #6 gdb_main(captured_main_args*) /home/vries/gdb/src/gdb/main.c:1361
(gdb+0xb7ba4c) (BuildId: 6dc308d9bc2da51d7adf979315fabd66fb46e8a3)
    #7 main /home/vries/gdb/src/gdb/gdb.c:39 (gdb+0x423ce8) (BuildId:
6dc308d9bc2da51d7adf979315fabd66fb46e8a3)

SUMMARY: ThreadSanitizer: data race /home/vries/gdb/src/bfd/format.c:132 in
bfd_preserve_save
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
...

There are in fact 3:
...
SUMMARY: ThreadSanitizer: data race /home/vries/gdb/src/bfd/format.c:132 in
bfd_preserve_save
SUMMARY: ThreadSanitizer: data race /home/vries/gdb/src/bfd/format.c:134 in
bfd_preserve_save
SUMMARY: ThreadSanitizer: data race /home/vries/gdb/src/bfd/cache.c:183 in
bfd_cache_delete
...
but that got me over the comment character limit.

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