| Summary: | [gdb/selftest] selftest run_on_main_thread + ^C: terminate called without an active exception | ||
|---|---|---|---|
| Product: | gdb | Reporter: | Tom de Vries <vries> |
| Component: | gdb | Assignee: | Not yet assigned to anyone <unassigned> |
| Status: | RESOLVED FIXED | ||
| Severity: | normal | ||
| Priority: | P2 | ||
| Version: | HEAD | ||
| Target Milestone: | 13.1 | ||
| Host: | Target: | ||
| Build: | Last reconfirmed: | ||
From the core file we get a bit more specific backtrace:
...
#0 raise (sig=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1 0x00000000007606a6 in handle_fatal_signal (sig=6)
at /home/vries/gdb_versions/devel/src/gdb/event-top.c:971
#2 <signal handler called>
#3 __GI_raise (sig=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#4 0x00007f2dbd731375 in __GI_abort () at abort.c:79
#5 0x00007f2dbdd97fc6 in ?? () from /usr/lib64/libstdc++.so.6
#6 0x00007f2dbdda383c in ?? () from /usr/lib64/libstdc++.so.6
#7 0x00007f2dbdda38a7 in std::terminate() () from /usr/lib64/libstdc++.so.6
#8 0x0000000000c394df in std::thread::~thread (this=0x7ffe5ffacb80,
__in_chrg=<optimized out>) at /usr/include/c++/7/thread:135
#9 0x0000000000c39119 in selftests::main_thread_tests::run_tests ()
at /home/vries/gdb_versions/devel/src/gdb/unittests/main-thread-selftests.c:48
#10 0x000000000041be05 in std::_Function_handler<void (), void (*)()>::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/include/c++/7/bits/std_function.h:316
#11 0x00000000005f8096 in std::function<void ()>::operator()() const (this=0x3fadf90)
at /usr/include/c++/7/bits/std_function.h:706
#12 0x00000000013bc143 in selftests::run_tests (filters=..., verbose=false)
at /home/vries/gdb_versions/devel/src/gdbsupport/selftest.cc:100
#13 0x00000000008b0f97 in maintenance_selftest (args=0x7ffe5ffae141 "run_on_main_thread",
...
Tentative patch:
...
diff --git a/gdb/unittests/main-thread-selftests.c b/gdb/unittests/main-thread-selftests.c
index 7e1a30d7e80..8ab0c445d42 100644
--- a/gdb/unittests/main-thread-selftests.c
+++ b/gdb/unittests/main-thread-selftests.c
@@ -20,6 +20,7 @@
#include "defs.h"
#include "gdbsupport/selftest.h"
#include "gdbsupport/block-signals.h"
+#include "gdbsupport/scope-exit.h"
#include "run-on-main-thread.h"
#include "gdbsupport/event-loop.h"
#if CXX_STD_THREAD
@@ -52,6 +53,11 @@ run_tests ()
{
gdb::block_signals blocker;
+ SCOPE_EXIT
+ {
+ if (thread.joinable ())
+ thread.join ();
+ };
thread = std::thread (set_done);
}
@@ -61,8 +67,6 @@ run_tests ()
/* Actually the test will just hang, but we want to test
something. */
SELF_CHECK (done);
-
- thread.join ();
}
#endif
...
|
[ With gdb build from trunk of today, and with gdb-patches patch "[PATCH,v2] [Arm] Fix endianness handling for arm record self tests" applied, which I assume is unrelated. ] I ran the selftests like this: ... $ ./gdb.sh -q -batch -ex "maint selftest" | grep -i arm ... and pressed ^C a few times. This gave me: ... Running selftest run_on_main_thread. terminate called without an active exception Fatal signal: Aborted ----- Backtrace ----- 0x580e38 gdb_internal_backtrace_1 /home/vries/gdb_versions/devel/src/gdb/bt-utils.c:122 0x580edb _Z22gdb_internal_backtracev /home/vries/gdb_versions/devel/src/gdb/bt-utils.c:168 0x7605c1 handle_fatal_signal /home/vries/gdb_versions/devel/src/gdb/event-top.c:948 0x7fc538f76d6f ??? /usr/src/debug/glibc-2.31-150300.37.1.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0 0x7fc538f76cdb __GI_raise ../sysdeps/unix/sysv/linux/raise.c:51 0x7fc538f78374 __GI_abort /usr/src/debug/glibc-2.31-150300.37.1.x86_64/stdlib/abort.c:79 0x7fc5395defc5 ??? 0x7fc5395ea83b ??? 0x7fc5395ea8a6 ??? 0xc394de _ZNSt6threadD2Ev /usr/include/c++/7/thread:135 0xc39118 run_tests /home/vries/gdb_versions/devel/src/gdb/unittests/main-thread-selftests.c:48 0x41be04 _ZNSt17_Function_handlerIFvvEPS0_E9_M_invokeERKSt9_Any_data /usr/include/c++/7/bits/std_function.h:316 0x5f8095 _ZNKSt8functionIFvvEEclEv /usr/include/c++/7/bits/std_function.h:706 0x13bc142 _ZN9selftests9run_testsEN3gdb10array_viewIKPKcEEb /home/vries/gdb_versions/devel/src/gdbsupport/selftest.cc:100 0x8b0f96 maintenance_selftest /home/vries/gdb_versions/devel/src/gdb/maint.c:1164 0x5d7b83 do_simple_func /home/vries/gdb_versions/devel/src/gdb/cli/cli-decode.c:95 0x5dc933 _Z8cmd_funcP16cmd_list_elementPKci /home/vries/gdb_versions/devel/src/gdb/cli/cli-decode.c:2543 0xbc678d _Z15execute_commandPKci /home/vries/gdb_versions/devel/src/gdb/top.c:692 0x8a6748 catch_command_errors /home/vries/gdb_versions/devel/src/gdb/main.c:513 0x8a6920 execute_cmdargs /home/vries/gdb_versions/devel/src/gdb/main.c:608 0x8a7cb0 captured_main_1 /home/vries/gdb_versions/devel/src/gdb/main.c:1299 0x8a7eb3 captured_main /home/vries/gdb_versions/devel/src/gdb/main.c:1320 0x8a7f1e _Z8gdb_mainP18captured_main_args /home/vries/gdb_versions/devel/src/gdb/main.c:1345 0x41506d main /home/vries/gdb_versions/devel/src/gdb/gdb.c:32 --------------------- A fatal error internal to GDB has been detected, further debugging is not possible. GDB will now terminate. This is a bug, please report it. For instructions, see: <https://www.gnu.org/software/gdb/bugs/>. ./gdb.sh: line 35: 6508 Aborted (core dumped) $DBG $GDB -nw -iex "add-auto-load-safe-path /home/vries/gdb_versions/devel/build/gdb/gdb-gdb.gdb" -iex "add-auto-load-safe-path /home/vries/gdb_versions/devel/build/gdb/gdb-gdb.py" "${flags[@]}" "$@" ...