GNU gdb 6.6-debian
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This GDB was configured as "x86_64-linux-gnu"...
Using host libthread_db library "/lib/libthread_db.so.1".
(gdb)  handle SIG33 pass nostop noprint
Signal        Stop	Print	Pass to program	Description
SIG33         No	No	Yes		Real-time event 33
(gdb) set pagination 0
(gdb) run
Starting program: /usr/bin/yelp 
[Thread debugging using libthread_db enabled]
[New Thread 47365817343952 (LWP 1820)]
[New Thread 1082132816 (LWP 1823)]
[New Thread 1090525520 (LWP 1826)]
[New Thread 1098918224 (LWP 1827)]
[New Thread 1107310928 (LWP 1828)]
[New Thread 1115703632 (LWP 1829)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1115703632 (LWP 1829)]
0x00002b142ec78a80 in strlen () from /lib/libc.so.6
(gdb) backtrace full
#0  0x00002b142ec78a80 in strlen () from /lib/libc.so.6
No symbol table info available.
#1  0x00002b142ec471aa in vfprintf () from /lib/libc.so.6
No symbol table info available.
#2  0x00002b142ec636b9 in vsprintf () from /lib/libc.so.6
No symbol table info available.
#3  0x00002b142ec4d398 in sprintf () from /lib/libc.so.6
No symbol table info available.
#4  0x00002b142d768222 in process_check_file () at rarian-info.c:338
	filename = 0xfefefefefefefeff <Address 0xfefefefefefefeff out of bounds>
	iter = <value optimized out>
	fileinfo = {st_dev = 0, st_ino = 47365687175552, st_nlink = 38, st_mode = 787835264, st_uid = 11028, st_gid = 16311792, pad0 = 0, st_rdev = 16311840, st_size = 47365664240024, st_blksize = 1, st_blocks = 17334672, st_atim = {tv_sec = 47365684077094, tv_nsec = 0}, st_mtim = {tv_sec = 4311690896, tv_nsec = 17334672}, st_ctim = {tv_sec = 16723600, tv_nsec = 17334672}, __unused = {0, 47365664240024, 1}}
#5  0x00002b142d768395 in process_info_dir (dir=<value optimized out>) at rarian-info.c:436
	filename = <value optimized out>
	fp = (FILE *) 0xff2e90
	line = <value optimized out>
	started = 1
#6  0x00002b142d7684da in rrn_info_init () at rarian-info.c:534
	dirname = 0xfbe930 "/usr/share/info"
	info_dirs = 0xdc0490 "/usr/info:/usr/share/info:/usr/local/info:/usr/local/share/info"
	split = 0xdc049a "/usr/share/info:/usr/local/info:/usr/local/share/info"
	free_info_dirs = 1
#7  0x00002b142d7686f5 in rrn_info_get_categories () at rarian-info.c:556
No locals.
#8  0x000000000041f0ba in toc_process_info (toc=0x8ce810) at yelp-toc.c:699
	node = (xmlNodePtr) 0x1055800
	cat_node = <value optimized out>
	mynode = <value optimized out>
	categories = <value optimized out>
	sectno = <value optimized out>
	priv = (YelpTocPriv *) 0x8ce8b0
	i = 1
	xpath = (xmlXPathContextPtr) 0xf92db0
	obj = (xmlXPathObjectPtr) 0xf96000
	info_doc = (xmlDocPtr) 0xf2a030
	parserCtxt = (xmlParserCtxtPtr) 0xfd2ab0
#9  0x00002b142d4e2b84 in ?? () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#10 0x00002b142e4d1317 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#11 0x00002b142ecd3bed in clone () from /lib/libc.so.6
No symbol table info available.
#12 0x0000000000000000 in ?? ()
No symbol table info available.
(gdb) info registers
rax            0xfefefefefefefeff	-72340172838076673
rbx            0x42803e90	1115700880
rcx            0x1	1
rdx            0x42803ed0	1115700944
rsi            0x2b142d770f0e	47365662117646
rdi            0xfefefefefefefeff	-72340172838076673
rbp            0x42803d60	0x42803d60
rsp            0x42803698	0x42803698
r8             0xfefefefefefefeff	-72340172838076673
r9             0x2f2f2f2f2f2f2f2f	3399988123389603631
r10            0x65657263732d6c6c	7306371741938183276
r11            0x246	582
r12            0x2b142d770f0d	47365662117645
r13            0xfefefefefefefeff	-72340172838076673
r14            0x4	4
r15            0x0	0
rip            0x2b142ec78a80	0x2b142ec78a80 <strlen+16>
eflags         0x10213	[ CF AF IF RF ]
cs             0x33	51
ss             0x2b	43
ds             0x0	0
es             0x0	0
fs             0x63	99
gs             0x0	0
fctrl          0x37f	895
fstat          0x0	0
ftag           0xffff	65535
fiseg          0x2aaa	10922
fioff          0xaefbc324	-1359232220
foseg          0x0	0
fooff          0xdcfcf0	14482672
fop            0x558	1368
mxcsr          0x1fa1	[ IE PE IM DM ZM OM UM PM ]
(gdb) thread apply all backtrace

Thread 6 (Thread 1115703632 (LWP 1829)):
#0  0x00002b142ec78a80 in strlen () from /lib/libc.so.6
#1  0x00002b142ec471aa in vfprintf () from /lib/libc.so.6
#2  0x00002b142ec636b9 in vsprintf () from /lib/libc.so.6
#3  0x00002b142ec4d398 in sprintf () from /lib/libc.so.6
#4  0x00002b142d768222 in process_check_file () at rarian-info.c:338
#5  0x00002b142d768395 in process_info_dir (dir=<value optimized out>) at rarian-info.c:436
#6  0x00002b142d7684da in rrn_info_init () at rarian-info.c:534
#7  0x00002b142d7686f5 in rrn_info_get_categories () at rarian-info.c:556
#8  0x000000000041f0ba in toc_process_info (toc=0x8ce810) at yelp-toc.c:699
#9  0x00002b142d4e2b84 in ?? () from /usr/lib/libglib-2.0.so.0
#10 0x00002b142e4d1317 in start_thread () from /lib/libpthread.so.0
#11 0x00002b142ecd3bed in clone () from /lib/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 5 (Thread 1107310928 (LWP 1828)):
#0  0x00002b142e4d7af8 in __lll_mutex_lock_wait () from /lib/libpthread.so.0
#1  0x00002b142e4d3ada in _L_mutex_lock_100 () from /lib/libpthread.so.0
#2  0x00002b142e4d3475 in pthread_mutex_lock () from /lib/libpthread.so.0
#3  0x00002b142d4e2bf2 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00002b142e4d1317 in start_thread () from /lib/libpthread.so.0
#5  0x00002b142ecd3bed in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 4 (Thread 1098918224 (LWP 1827)):
#0  0x00002b142ecbad07 in sched_yield () from /lib/libc.so.6
#1  0x000000000041e997 in toc_process (toc=0x8ce810) at yelp-toc.c:558
#2  0x00002b142d4e2b84 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00002b142e4d1317 in start_thread () from /lib/libpthread.so.0
#4  0x00002b142ecd3bed in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 1090525520 (LWP 1826)):
#0  0x00002b142e4d5997 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00002b1435313268 in ?? () from /usr/lib/libnspr4.so.0d
#2  0x00002b1435313e8a in PR_WaitCondVar () from /usr/lib/libnspr4.so.0d
#3  0x00002b142efe36a2 in ?? () from /usr/lib/firefox/libxpcom_core.so
#4  0x00002b142efe17dc in ?? () from /usr/lib/firefox/libxpcom_core.so
#5  0x00002b14353194cd in ?? () from /usr/lib/libnspr4.so.0d
#6  0x00002b142e4d1317 in start_thread () from /lib/libpthread.so.0
#7  0x00002b142ecd3bed in clone () from /lib/libc.so.6
#8  0x0000000000000000 in ?? ()

Thread 2 (Thread 1082132816 (LWP 1823)):
#0  0x00002b142eccacb6 in poll () from /lib/libc.so.6
#1  0x00002b14353157bd in PR_Poll () from /usr/lib/libnspr4.so.0d
#2  0x00002b143880bb76 in ?? () from /usr/lib/firefox/components/libnecko.so
#3  0x00002b143880c2fe in ?? () from /usr/lib/firefox/components/libnecko.so
#4  0x00002b142efe17dc in ?? () from /usr/lib/firefox/libxpcom_core.so
#5  0x00002b14353194cd in ?? () from /usr/lib/libnspr4.so.0d
#6  0x00002b142e4d1317 in start_thread () from /lib/libpthread.so.0
#7  0x00002b142ecd3bed in clone () from /lib/libc.so.6
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 47365817343952 (LWP 1820)):
#0  0x00002b142eccacb6 in poll () from /lib/libc.so.6
#1  0x00002b142dde9470 in ?? () from /usr/lib/libX11.so.6
#2  0x00002b142dde9899 in _XRead () from /usr/lib/libX11.so.6
#3  0x00002b142ddea2c1 in _XReply () from /usr/lib/libX11.so.6
#4  0x00002b142ddcbfb2 in XGetAtomName () from /usr/lib/libX11.so.6
#5  0x00002b142bfbaa56 in gdk_x11_xatom_to_atom_for_display () from /usr/lib/libgdk-x11-2.0.so.0
#6  0x00002b142bfad2e7 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#7  0x00002b142bfae8c2 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#8  0x00002b142bfaedce in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#9  0x00002b142d4c10a3 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#10 0x00002b142d4c43ad in ?? () from /usr/lib/libglib-2.0.so.0
#11 0x00002b142d4c46ba in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#12 0x00002b142baaf9d3 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#13 0x0000000000419630 in main (argc=<value optimized out>, argv=0x7fff7febb5d8) at yelp-main.c:121
#14 0x00002b142ec1db44 in __libc_start_main () from /lib/libc.so.6
#15 0x000000000040e0b9 in _start ()
#0  0x00002b142ec78a80 in strlen () from /lib/libc.so.6
(gdb) quit
The program is running.  Exit anyway? (y or n)