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1b1ed1a
(Get the code!)
Obtained the stack trace locally due to problems with the current CUPS package. For this stack trace the current snapshot of the Debian BZR repository (with the fix of the problem) was built locally and then with a rapid firing of queue addition and removal operations (~60) the crash was triggered again and the offer of Apport to report it accepted. Then I have followed all instructions on the screen until it refused to submit the report to Launchpad as it is from a local package build.
Now I have unpacked /var/crash/
----------
till@till:~$ gdb -c ~/test/CoreDump /usr/sbin/cupsd
GNU gdb (Ubuntu/Linaro 7.3-0ubuntu2) 7.3-2011.08
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://
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".
For bug reporting instructions, please see:
<http://
Reading symbols from /usr/sbin/
done.
[New LWP 7444]
warning: Can't read pathname for load map: Input/output error.
[Thread debugging using libthread_db enabled]
Core was generated by `/usr/sbin/cupsd -F'.
Program terminated with signal 11, Segmentation fault.
#0 0x00007f38b12297f8 in _cups_strcasecmp (
s=0x7f38b68
t=0x1 <Address 0x1 out of bounds>) at string.c:613
613 while (*s != '\0' && *t != '\0')
(gdb) bt full
#0 0x00007f38b12297f8 in _cups_strcasecmp (
s=0x7f38b68
t=0x1 <Address 0x1 out of bounds>) at string.c:613
No locals.
#1 0x00007f38b120148d in cups_array_find (a=0x7f38b68683e0, e=0x7f38b690a530,
prev=<optimized out>, rdiff=0x7fff2e5
left = 0
right = 38
current = 19
diff = <optimized out>
#2 0x00007f38b120218d in cupsArrayRemove (a=0x7f38b68683e0, e=<optimized out>)
at array.c:900
i = <optimized out>
current = <optimized out>
diff = <optimized out>
#3 0x00007f38b2c3272d in dnssdDeregister
at dirsvc.c:2681
No locals.
#4 0x00007f38b2c514af in cupsdDeletePrinter (p=0x7f38b690a530,
update=
i = <optimized out>
---Type <return> to continue, or q <return> to quit---
changed = 0
#5 0x00007f38b2c1b491 in delete_printer (con=0x7f38b692
uri=<optimized out>) at ipp.c:7068
status = <optimized out>
printer = 0x7f38b690a530
filename = "/var/cache/
#6 0x00007f38b2c3ce2f in cupsdProcessIPP
at ipp.c:644
group = <optimized out>
attr = <optimized out>
charset = <optimized out>
---Type <return> to continue, or q <return> to quit---
language = <optimized out>
uri = 0x7f38b6963920
username = <optimized out>
sub_id = 0
#7 0x00007f38b2c27c1e in cupsdReadClient (con=0x7f38b692
line = '\000' <repeats 13216 times>"\360, \215Y.\
operation = "HTTP/1.
version = "\000!\
Y?{N", '\000' <repeats 12 times>"\260, \366\346\
locale = "\a\000\
ptr = <optimized out>
major = 0
minor = 0
status = <optimized out>
ipp_state = <optimized out>
bytes = <optimized out>
filename = <optimized out>
buf = "\323CƲ8\
---Type <return> to continue, or q <return> to quit---
filestats = {st_dev = 0, st_ino = 0, st_nlink = 0, st_mode = 0,
st_uid = 0, st_gid = 0, __pad0 = 0, st_rdev = 0, st_size = 0,
tv_nsec = 4294967296}, st_mtim = {tv_sec = 1,
tv_nsec = 723311429243393
tv_sec = 607656110030156
__unused = {13843062640890964, 607656096289195
type = <optimized out>
p = <optimized out>
request_id = 0
#8 0x00007f38b2c1f5ce in main (argc=<optimized out>, argv=<optimized out>)
at main.c:1020
i = 2
opt = <optimized out>
fg = <optimized out>
fds = 0
con = 0x7f38b6929dc0
job = <optimized out>
lis = <optimized out>
activity = <optimized out>
---Type <return> to continue, or q <return> to quit---
browse_time = 1316700023
expire_time = 1316700023
report_time = 1316699971
event_time = 1316700017
timeout = <optimized out>
limit = {rlim_cur = 4096, rlim_max = 4096}
action = {__sigaction_
__val = {81920, 0 <repeats 15 times>}}, sa_flags = 0,
netif_time = 1316699971
tmo = <optimized out>
tmo_delay = 0
(gdb)
(gdb)