[Bug gdb/18360] New: Crash when using "interrupt -a"

[Bug gdb/18360] New: Crash when using "interrupt -a"

[simon.marchi at ericsson dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=18360

            Bug ID: 18360
           Summary: Crash when using "interrupt -a"
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: simon.marchi at ericsson dot com
  Target Milestone: ---

Created attachment 8292
  --> https://sourceware.org/bugzilla/attachment.cgi?id=8292&action=edit
Test source file to reproduce.

When I have one thread stopped on a (conditional) breakpoint and the others
running, interrupt -a crashes gdb. I am using "GNU gdb (GDB)
7.9.50.20150428-cvs".

Here is the transcript, see attached file for source.

$ gcc -g3 -O0 test.c -o test -pthread
$ gdb -nx test                       
Reading symbols from test...done.
(gdb) set non-stop on
(gdb) b 15 if arg->num == 2
Breakpoint 1 at 0x40065d: file test.c, line 15.
(gdb) r
Starting program: /tmp/test 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff77f6700 (LWP 13451)]
[New Thread 0x7ffff6ff5700 (LWP 13452)]
[New Thread 0x7ffff67f4700 (LWP 13453)]
[New Thread 0x7ffff5ff3700 (LWP 13454)]

Breakpoint 1, thread_func (varg=0x7fffffffe058) at test.c:15
15            a++;
(gdb) [New Thread 0x7ffff57f2700 (LWP 13455)]
i th
  Id   Target Id         Frame 
  6    Thread 0x7ffff57f2700 (LWP 13455) "test" (running)
  5    Thread 0x7ffff5ff3700 (LWP 13454) "test" (running)
  4    Thread 0x7ffff67f4700 (LWP 13453) "test" thread_func
(varg=0x7fffffffe058) at test.c:15
  3    Thread 0x7ffff6ff5700 (LWP 13452) "test" (running)
  2    Thread 0x7ffff77f6700 (LWP 13451) "test" (running)
* 1    Thread 0x7ffff7fca740 (LWP 13447) "test" (running)
(gdb) interrupt -a
../../../src/binutils-gdb/gdb/inline-frame.c:338: internal-error:
skip_inline_frames: Assertion `find_inline_frame_state (ptid) == NULL' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n)

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