On 2016-03-22 Diederik de Haas <[email protected]> wrote: > If you install libglib2.0-0-dbg and (optionally) libc6-dbg you'd likely get a > more useful backtrace.
there you go, for completeness sake I have also rebuilt bluez-tools with DEB_BUILD_OPTIONS=nostrip. cu Andreas -- `What a good friend you are to him, Dr. Maturin. His other friends are so grateful to you.' `I sew his ears on from time to time, sure'
GNU gdb (Debian 7.10-1+b1) 7.10 Copyright (C) 2015 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from bt-agent...done. (gdb) run Starting program: /usr/bin/bt-agent [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7ffff5e0e700 (LWP 16238)] [New Thread 0x7ffff560d700 (LWP 16239)] Agent registered Default agent requested Device: debian/rules (00:1C:35:3E:3F:88) Enter passkey: Program received signal SIGSEGV, Segmentation fault. g_utf8_validate ( str=str@entry=0x3837363534333231 <error: Cannot access memory at address 0x3837363534333231>, max_len=max_len@entry=-1, end=end@entry=0x0) at /build/glib2.0-2.46.2/./glib/gutf8.c:1655 1655 /build/glib2.0-2.46.2/./glib/gutf8.c: Datei oder Verzeichnis nicht gefunden. (gdb) set pagination 0 (gdb) bt full #0 0x00007ffff7b467e0 in g_utf8_validate (str=str@entry=0x3837363534333231 <error: Cannot access memory at address 0x3837363534333231>, max_len=max_len@entry=-1, end=end@entry=0x0) at /build/glib2.0-2.46.2/./glib/gutf8.c:1655 p = <optimized out> #1 0x00007ffff7b4a117 in g_variant_new_string (string=0x3837363534333231 <error: Cannot access memory at address 0x3837363534333231>) at /build/glib2.0-2.46.2/./glib/gvariant.c:1232 _g_boolean_var_ = <optimized out> #2 0x0000000000403de0 in _bt_agent_method_call_func (connection=<optimized out>, sender=sender@entry=0x7fffe8004210 ":1.20", object_path=object_path@entry=0x7fffe80041d0 "/org/blueztools", interface_name=interface_name@entry=0x7fffe8006c90 "org.bluez.Agent1", method_name=method_name@entry=0x7fffe8006f50 "RequestPinCode", parameters=parameters@entry=0x7fffe8005860, invocation=0x648ce0 [GDBusMethodInvocation], user_data=0x0) at lib/agent-helper.c:321 error = 0x0 device_obj = <optimized out> pin = 0x0 ret = 0x3837363534333231 <error: Cannot access memory at address 0x3837363534333231> connection = <optimized out> object_path = 0x7fffe80041d0 "/org/blueztools" invocation = 0x648ce0 [GDBusMethodInvocation] parameters = 0x7fffe8005860 method_name = 0x7fffe8006f50 "RequestPinCode" sender = 0x7fffe8004210 ":1.20" interface_name = 0x7fffe8006c90 "org.bluez.Agent1" user_data = 0x0 #3 0x00007ffff781baec in call_in_idle_cb (user_data=0x648ce0) at /build/glib2.0-2.46.2/./gio/gdbusconnection.c:4832 invocation = 0x648ce0 [GDBusMethodInvocation] vtable = <optimized out> registration_id = <optimized out> subtree_registration_id = <optimized out> __func__ = "call_in_idle_cb" #4 0x00007ffff7b15e8a in g_main_context_dispatch (context=0x63c9a0) at /build/glib2.0-2.46.2/./glib/gmain.c:3154 dispatch = 0x7ffff7b12940 <g_idle_dispatch> prev_source = 0x0 was_in_call = 0 user_data = 0x648ce0 callback = 0x7ffff781ba00 <call_in_idle_cb> cb_funcs = <optimized out> cb_data = 0x7fffe8001170 need_destroy = <optimized out> source = 0x7fffe8004130 current = 0x646840 i = 0 #5 0x00007ffff7b15e8a in g_main_context_dispatch (context=context@entry=0x63c9a0) at /build/glib2.0-2.46.2/./glib/gmain.c:3769 #6 0x00007ffff7b16230 in g_main_context_iterate (context=0x63c9a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-2.46.2/./glib/gmain.c:3840 max_priority = 2147483647 timeout = -1 some_ready = 1 nfds = <optimized out> allocated_nfds = 1 fds = 0x64f900 #7 0x00007ffff7b16552 in g_main_loop_run (loop=0x641730) at /build/glib2.0-2.46.2/./glib/gmain.c:4034 __func__ = "g_main_loop_run" #8 0x0000000000403120 in main (argc=1, argv=0x7fffffffe468) at bt-agent.c:276 error = 0x0 context = <optimized out> manager = 0x7fffe80062b0 [Manager] agent_manager = 0x7fffe8005ab0 [AgentManager] sa = {__sigaction_handler = {sa_handler = 0x41a390 <signal_handler>, sa_sigaction = 0x41a390 <signal_handler>}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x0} (gdb) info registers rax 0x2 2 rbx 0x3837363534333231 4050765991979987505 rcx 0xa 10 rdx 0x0 0 rsi 0xffffffffffffffff -1 rdi 0x3837363534333231 4050765991979987505 rbp 0x648ce0 0x648ce0 rsp 0x7fffffffe0a8 0x7fffffffe0a8 r8 0x0 0 r9 0x7ffff7fdd800 140737353996288 r10 0x27c 636 r11 0x7ffff7b4a100 140737349198080 r12 0x0 0 r13 0x7fffe8002e10 140737085713936 r14 0x7fffe8006c90 140737085729936 r15 0x7fffe8006f50 140737085730640 rip 0x7ffff7b467e0 0x7ffff7b467e0 <g_utf8_validate+272> eflags 0x10286 [ PF SF IF RF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 (gdb) x/16i $pc => 0x7ffff7b467e0 <g_utf8_validate+272>: movzbl (%rdi),%eax 0x7ffff7b467e3 <g_utf8_validate+275>: test %al,%al 0x7ffff7b467e5 <g_utf8_validate+277>: jne 0x7ffff7b467fc <g_utf8_validate+300> 0x7ffff7b467e7 <g_utf8_validate+279>: jmp 0x7ffff7b46816 <g_utf8_validate+326> 0x7ffff7b467e9 <g_utf8_validate+281>: nopl 0x0(%rax) 0x7ffff7b467f0 <g_utf8_validate+288>: movzbl 0x1(%rcx),%eax 0x7ffff7b467f4 <g_utf8_validate+292>: lea 0x1(%rcx),%rdi 0x7ffff7b467f8 <g_utf8_validate+296>: test %al,%al 0x7ffff7b467fa <g_utf8_validate+298>: je 0x7ffff7b46816 <g_utf8_validate+326> 0x7ffff7b467fc <g_utf8_validate+300>: test %al,%al 0x7ffff7b467fe <g_utf8_validate+302>: mov %rdi,%rcx 0x7ffff7b46801 <g_utf8_validate+305>: jns 0x7ffff7b467f0 <g_utf8_validate+288> 0x7ffff7b46803 <g_utf8_validate+307>: cmp $0xdf,%al 0x7ffff7b46805 <g_utf8_validate+309>: ja 0x7ffff7b46830 <g_utf8_validate+352> 0x7ffff7b46807 <g_utf8_validate+311>: cmp $0xc1,%al 0x7ffff7b46809 <g_utf8_validate+313>: jbe 0x7ffff7b46816 <g_utf8_validate+326> (gdb) thread apply all backtrace Thread 3 (Thread 0x7ffff560d700 (LWP 16239)): #0 0x00007ffff7233e4d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007ffff7b161cc in g_main_context_iterate (priority=2147483647, n_fds=2, fds=0x7fffe80010c0, timeout=<optimized out>, context=0x647a00) at /build/glib2.0-2.46.2/./glib/gmain.c:4135 #2 0x00007ffff7b161cc in g_main_context_iterate (context=0x647a00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-2.46.2/./glib/gmain.c:3835 #3 0x00007ffff7b16552 in g_main_loop_run (loop=0x647990) at /build/glib2.0-2.46.2/./glib/gmain.c:4034 #4 0x00007ffff782b396 in gdbus_shared_thread_func (user_data=0x6479d0) at /build/glib2.0-2.46.2/./gio/gdbusprivate.c:246 #5 0x00007ffff7b3c9c5 in g_thread_proxy (data=0x6498a0) at /build/glib2.0-2.46.2/./glib/gthread.c:778 #6 0x00007ffff6cce454 in start_thread (arg=0x7ffff560d700) at pthread_create.c:334 #7 0x00007ffff723cedd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7ffff5e0e700 (LWP 16238)): #0 0x00007ffff7233e4d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007ffff7b161cc in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7ffff00008e0, timeout=<optimized out>, context=0x647270) at /build/glib2.0-2.46.2/./glib/gmain.c:4135 #2 0x00007ffff7b161cc in g_main_context_iterate (context=context@entry=0x647270, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-2.46.2/./glib/gmain.c:3835 #3 0x00007ffff7b162dc in g_main_context_iteration (context=0x647270, may_block=may_block@entry=1) at /build/glib2.0-2.46.2/./glib/gmain.c:3901 #4 0x00007ffff7b16319 in glib_worker_main (data=<optimized out>) at /build/glib2.0-2.46.2/./glib/gmain.c:5672 #5 0x00007ffff7b3c9c5 in g_thread_proxy (data=0x649850) at /build/glib2.0-2.46.2/./glib/gthread.c:778 #6 0x00007ffff6cce454 in start_thread (arg=0x7ffff5e0e700) at pthread_create.c:334 #7 0x00007ffff723cedd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7ffff7fdd800 (LWP 16234)): #0 0x00007ffff7b467e0 in g_utf8_validate (str=str@entry=0x3837363534333231 <error: Cannot access memory at address 0x3837363534333231>, max_len=max_len@entry=-1, end=end@entry=0x0) at /build/glib2.0-2.46.2/./glib/gutf8.c:1655 #1 0x00007ffff7b4a117 in g_variant_new_string (string=0x3837363534333231 <error: Cannot access memory at address 0x3837363534333231>) at /build/glib2.0-2.46.2/./glib/gvariant.c:1232 #2 0x0000000000403de0 in _bt_agent_method_call_func (connection=<optimized out>, sender=sender@entry=0x7fffe8004210 ":1.20", object_path=object_path@entry=0x7fffe80041d0 "/org/blueztools", interface_name=interface_name@entry=0x7fffe8006c90 "org.bluez.Agent1", method_name=method_name@entry=0x7fffe8006f50 "RequestPinCode", parameters=parameters@entry=0x7fffe8005860, invocation=0x648ce0 [GDBusMethodInvocation], user_data=0x0) at lib/agent-helper.c:321 #3 0x00007ffff781baec in call_in_idle_cb (user_data=0x648ce0) at /build/glib2.0-2.46.2/./gio/gdbusconnection.c:4832 #4 0x00007ffff7b15e8a in g_main_context_dispatch (context=0x63c9a0) at /build/glib2.0-2.46.2/./glib/gmain.c:3154 #5 0x00007ffff7b15e8a in g_main_context_dispatch (context=context@entry=0x63c9a0) at /build/glib2.0-2.46.2/./glib/gmain.c:3769 #6 0x00007ffff7b16230 in g_main_context_iterate (context=0x63c9a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-2.46.2/./glib/gmain.c:3840 #7 0x00007ffff7b16552 in g_main_loop_run (loop=0x641730) at /build/glib2.0-2.46.2/./glib/gmain.c:4034 #8 0x0000000000403120 in main (argc=1, argv=0x7fffffffe468) at bt-agent.c:276 (gdb) qz[Kuit A debugging session is active. Inferior 1 [process 16234] will be killed. Quit anyway? (y or n) y
