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From: "tromey at redhat dot com" <sourceware-bugzilla@sourceware.org> To: gdb-prs@sourceware.org Subject: [Bug cli/13728] GDB crashes on catch exec -> detach Date: Wed, 29 Feb 2012 17:02:00 -0000 [thread overview] Message-ID: <bug-13728-4717-bisEUD7PvZ@http.sourceware.org/bugzilla/> (raw) In-Reply-To: <bug-13728-4717@http.sourceware.org/bugzilla/> http://sourceware.org/bugzilla/show_bug.cgi?id=13728 Tom Tromey <tromey at redhat dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |tromey at redhat dot com --- Comment #1 from Tom Tromey <tromey at redhat dot com> 2012-02-29 17:01:50 UTC --- The "detach" causes the bpstat to be freed; but code higher up the stack is still using it. ==23681== Invalid read of size 8 ==23681== at 0x66ED20: bpstat_do_actions_1 (breakpoint.c:3832) ==23681== by 0x66ED6B: bpstat_do_actions (breakpoint.c:3914) ==23681== by 0x70098A: inferior_event_handler (inf-loop.c:117) ==23681== by 0x6E038D: fetch_inferior_event (infrun.c:2817) ==23681== by 0x700A25: fetch_inferior_event_wrapper (inf-loop.c:145) ==23681== by 0x6F5BD7: catch_errors (exceptions.c:546) ==23681== by 0x700793: inferior_event_handler (inf-loop.c:53) ==23681== by 0x5D19C5: handle_target_event (linux-nat.c:4950) ==23681== by 0x6FE461: handle_file_event (event-loop.c:827) ==23681== by 0x6FD927: process_event (event-loop.c:401) ==23681== by 0x6FD9C9: gdb_do_one_event (event-loop.c:453) ==23681== by 0x6FDA3F: start_event_loop (event-loop.c:490) ==23681== Address 0x4fd4270 is 0 bytes inside a block of size 48 free'd ==23681== at 0x4A0662E: free (vg_replace_malloc.c:366) ==23681== by 0x819DD4: xfree (common-utils.c:107) ==23681== by 0x66E7E6: bpstat_free (breakpoint.c:3631) ==23681== by 0x66E81F: bpstat_clear (breakpoint.c:3649) ==23681== by 0x6F1BFE: clear_thread_inferior_resources (thread.c:116) ==23681== by 0x6F2152: delete_thread_1 (thread.c:294) ==23681== by 0x6F21E5: delete_thread_silent (thread.c:317) ==23681== by 0x80C87F: delete_thread_of_inferior (inferior.c:173) ==23681== by 0x6F22D8: iterate_over_threads (thread.c:368) ==23681== by 0x80CAA8: exit_inferior_1 (inferior.c:272) ==23681== by 0x80CBE9: detach_inferior (inferior.c:322) ==23681== by 0x5C31E2: inf_ptrace_detach (inf-ptrace.c:303) ==23681== -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
next prev parent reply other threads:[~2012-02-29 17:02 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-02-23 10:18 [Bug cli/13728] New: " jan.kratochvil at redhat dot com 2012-02-29 17:02 ` tromey at redhat dot com [this message] 2012-02-29 21:43 ` [Bug cli/13728] " tromey at redhat dot com 2012-03-14 15:20 ` palves at redhat dot com 2024-01-09 19:53 ` ssbssa at sourceware dot org
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