I finally managed to get the crash while gdb was tracing the dbus process. This time it was not a bogus SIGPIPE. Again, this happened while shutting down a host of processes running on dbus.
I have saved the core file, so if you need anything else, let me know.
I finally managed to get the crash while gdb was tracing the dbus process. This time it was not a bogus SIGPIPE. Again, this happened while shutting down a host of processes running on dbus.
I have saved the core file, so if you need anything else, let me know.
Backtrace:
Program received signal SIGSEGV, Segmentation fault.
tr_old_ memalign_ hook = (void *(*)(size_t, size_t, const void *)) 0
tr_old_ malloc_ hook = (void *(*)(size_t, const void *)) 0
tr_old_ realloc_ hook = (void *(*)(void *, size_t, const void *)) 0
malloc_ trace_buffer = 0x0
tr_old_ free_hook = (void (*)(void *, const void *)) 0 function (table= 0x7fb3155893f0, key=0x7fb3155973b0, idx=10, func=0xe1a010 <strcmp>, create_ if_not_ found=1, bucket=0x0, preallocated= 0x7fb315607828) function (table= 0x7fb3155893f0, key=0x7fb3155973b0, if_not_ found=1, bucket=0x0, preallocated= 0x7fb315607828) at dbus-hash.c:952 table_insert_ string_ preallocated (table= 0x7fb3155973b0, d=0x7fb31560782 8, key=0x7fb3155973b0 "developer", value=0x7fb3155 ab350) at dbus-hash.c:1680 table_insert_ string (table= 0x7fb3155893f0, 0x7fb3155973b0 "developer", value=0x7fb3155 ab350) at dbus-hash.c:1443
preallocated = (DBusPreallocat edHash *) 0xffffff64 database_ lookup (db=0x7fb315589260, uid=500, username= 0x7fb3155e9fb0, database_ get_username (db=0x7fb3155973b0, username=0xa, 0x7fff1c69b610, error=0xffffffff) at dbus-userdb.c:661 ls_add_ from_user (credentials= 0x7fb3155eb8d0, 0x7fb3155e9fb0) at dbus-userdb.c:507 server_ data_external_ mech (auth=0x7fb3155 e9f60, data=0x7fff1c69 b650) e9f60, args=0x7fff1c69 b6a0, func=0x7fb31468 74f0 <handle_ server_ data_external_ mech>) at dbus-auth.c:1606 server_ state_waiting_ for_auth (auth=0x7fb3155 e9f60, b720) at dbus-auth.c:1658
hex_response = {dummy1 = 0x7fb3155abc20, dummy2 = 6, dummy3 = 16, dummy4 = 2147483639, dummy5 = 0, e9f60) at dbus-auth.c:2100 _get_is_ authenticated (transport= 0x7fb3155ecb60) c:688
auth_identity = <value optimized out> 0x7fb3155ecb60, do_reading=1, do_writing=0, completed= 0x7fff1c69b85c) at dbus-transport- socket. c:422
orig_auth_ state = <value optimized out> 0x7fb3155973b0, watch=<value optimized out>, socket. c:837
auth_finished = <value optimized out> _handle_ watch (transport= 0x7fb3155ecb60, watch=0x7fb3155 ec130, c:851 n_handle_ watch (watch= 0x7fb3155ec130, condition=1, 0x7fb3155ec920) at dbus-connection .c:1420 0x7fb3155ec130, flags=1) at dbus-watch.c:663
__FUNCTION_ _ = "dbus_watch_handle" 856b0, block=1) at dbus-mainloop.c:810
watches_ for_fds = (WatchCallback **) 0x7fff1c69b910
stack_ watches_ for_fds = {0x7fb31558bc50, 0x7fb315590070, 0x7fb315590cf0, 0x7fb315594860,
initial_ serial = <value optimized out>
oom_watch_ pending = 0 856b0) at dbus-mainloop.c:874
our_exit_ depth = 0
print_ addr_pipe = {fd_or_handle = -1}
print_ pid_pipe = {fd_or_handle = -1}
print_ address = 1
[Switching to Thread 140407117903744 (LWP 11324)]
0x0000000000e1a012 in strcmp () from /lib64/libc.so.6
(gdb) bt full
#0 0x0000000000e1a012 in strcmp () from /lib64/libc.so.6
mallstream = (FILE *) 0x0
lock = 0
mallenv = "MALLOC_TRACE"
mallwatch = (void *) 0x0
#1 0x00007fb31467abee in find_generic_
compare_
at dbus-hash.c:918
entry = (DBusHashEntry *) 0x7fb3156077f8
#2 0x00007fb31467aea6 in find_string_
create_
No locals.
#3 0x00007fb31467a8b1 in _dbus_hash_
preallocate
entry = <value optimized out>
#4 0x00007fb31467aad9 in _dbus_hash_
key=
#5 0x00007fb31468171e in _dbus_user_
error=0x0) at dbus-userdb.c:208
info = (DBusUserInfo *) 0x7fb3155ab350
#6 0x00007fb3146817e3 in _dbus_user_
info=
No locals.
#7 0x00007fb314681a2d in _dbus_credentia
username=
db = (DBusUserDatabase *) 0xffffff64
info = (const DBusUserInfo *) 0x7fb3155e9f60
#8 0x00007fb3146875fe in handle_
at dbus-auth.c:1065
No locals.
#9 0x00007fb3146867cb in process_data (auth=0x7fb3155
data_
end = 6
decoded = {dummy1 = 0x7fb315595160, dummy2 = 3, dummy3 = 16, dummy4 = 2147483639, dummy5 = 0,
dummy6 = 0, dummy7 = 0, dummy8 = 0}
#10 0x00007fb3146869eb in handle_
command=<value optimized out>, args=0x7fff1c69
i = 9
mech = {dummy1 = 0x7fb3155e4750, dummy2 = 8, dummy3 = 16, dummy4 = 2147483639, dummy5 = 0,
dummy6 = 0, dummy7 = 0, dummy8 = 0}
dummy6 = 0, dummy7 = 0, dummy8 = 0}
#11 0x00007fb314685f82 in _dbus_auth_do_work (auth=0x7fb3155
No locals.
#12 0x00007fb31467896f in _dbus_transport
at dbus-transport.
allow = <value optimized out>
#13 0x00007fb314679318 in do_authentication (transport=
auth_
oom = <value optimized out>
#14 0x00007fb314679bbb in socket_handle_watch (transport=
flags=<value optimized out>) at dbus-transport-
#15 0x00007fb31467888d in _dbus_transport
condition=1) at dbus-transport.
retval = 1
#16 0x00007fb31466ed88 in _dbus_connectio
data=
connection = <value optimized out>
retval = <value optimized out>
status = <value optimized out>
#17 0x00007fb314679f71 in dbus_watch_handle (watch=
#18 0x00007fb314682382 in _dbus_loop_iterate (loop=0x7fb3155
wcb = (WatchCallback *) 0x7fb31559a8c0
condition = 1
retval = 0
fds = (DBusPollFD *) 0x7fff1c69bb10
stack_fds = {{fd = 3, events = 1, revents = 0}, {fd = 9, events = 1, revents = 0}, {fd = 11,
events = 1, revents = 0}, {fd = 13, events = 1, revents = 0}, {fd = 12, events = 1, revents = 0}, {
fd = 14, events = 1, revents = 0}, {fd = 17, events = 1, revents = 0}, {fd = 19, events = 1,
revents = 0}, {fd = 16, events = 1, revents = 0}, {fd = 18, events = 1, revents = 0}, {fd = 22,
events = 1, revents = 0}, {fd = 21, events = 1, revents = 0}, {fd = 20, events = 1, revents = 0}, {
fd = 26, events = 1, revents = 0}, {fd = 15, events = 1, revents = 1}, {fd = 25, events = 1,
revents = 0}, {fd = 29, events = 1, revents = 0}, {fd = 31, events = 1, revents = 25}, {fd = 31,
events = 1, revents = 0}, {fd = 32, events = 1, revents = 17}, {fd = 32, events = 1, revents = 0}, {
fd = 32, events = 1, revents = 0}, {fd = 32, events = 1, revents = 0}, {fd = 32, events = 1,
revents = 0}, {fd = 33, events = 1, revents = 17}, {fd = 33, events = 1, revents = 0}, {fd = 40,
events = 1, revents = 0}, {fd = 40, events = 1, revents = 0}, {fd = 40, events = 1, revents = 0}, {
fd = 40, events = 1, revents = 0}, {fd = 40, events = 1, revents = 0}, {fd = 40, events = 1,
revents = 0}, {fd = 40, events = 1, revents = 0}, {fd = 41, events = 1, revents = 17}, {fd = 0,
events = 0, revents = 0}, {fd = 0, events = 0, revents = 0}, {fd = 0, events = 0, revents = 0}, {
fd = 14494885, events = 0, revents = 0}, {fd = 342275856, events = 32691, revents = 0}, {
fd = 342377564, events = 32691, revents = 0}, {fd = 342275856, events = 32691, revents = 0}, {fd = 0,
events = 0, revents = 0} <repeats 16 times>, {fd = 0, events = 32691, revents = 0}, {fd = 344591216,
events = 32691, revents = 0}, {fd = 342342956, events = 32691, revents = 0}, {fd = 0, events = 0,
revents = 0}, {fd = 0, events = 0, revents = 0}, {fd = 0, events = 0, revents = 0}, {fd = 0,
events = 0, revents = 0}}
n_fds = 15
0x7fb315591670, 0x7fb3155951a0, 0x7fb31559d440, 0x7fb31559f7c0, 0x7fb31559eb20, 0x7fb3155a5ea0,
0x7fb3155aa950, 0x7fb3155a9c10, 0x7fb3155a86e0, 0x7fb315598ff0, 0x7fb31559a8c0, 0x7fb3155a74e0,
0x7fb3155ebaa0, 0x7fb3155eab30, 0x7fb3155eab30, 0x7fb3155bdeb0, 0x7fb3155bdeb0, 0x7fb3155bdeb0,
0x7fb3155bdeb0, 0x7fb3155bdeb0, 0x7fb315644120, 0x7fb315644120, 0x7fb3155f6910, 0x7fb3155f6910,
0x7fb3155f6910, 0x7fb3155f6910, 0x7fb3155f6910, 0x7fb3155f6910, 0x7fb3155f6910, 0x7fb31560ca80,
0xf375846, 0x7fff1c69bb78, 0x7fb314631bc0, 0x1193ef, 0x0, 0x7fb314631bc0, 0x5, 0x0, 0x7fff00000001,
0x118deb, 0x0, 0x7fb314631b30, 0x6, 0x9, 0x0, 0x1001191f1, 0x7fb314655358, 0x7fff1c69bbe0,
0x7fb314655000, 0x7fb314657885, 0x0, 0x7fb314631b78, 0x14631000, 0x7fb314657971, 0xdb1000,
0x7fb314656ad8, 0x500000000, 0x1000001f1, 0x7fb314655000, 0x7fb314655358}
i = 14
link = (DBusList *) 0x1
n_ready = <value optimized out>
timeout = <value optimized out>
orig_depth = 1
#19 0x00007fb3146824cd in _dbus_loop_run (loop=0x7fb3155
#20 0x00007fb31466bda1 in main (argc=7, argv=<value optimized out>) at main.c:464
val = 4
end = 1
error = {name = 0x0, message = 0x0, dummy1 = 1, dummy2 = 0, dummy3 = 0, dummy4 = 0, dummy5 = 0,
padding1 = 0x100562f70}
config_file = {dummy1 = 0x7fb3155853b0, dummy2 = 24, dummy3 = 32, dummy4 = 2147483639, dummy5 = 0,
dummy6 = 0, dummy7 = 1, dummy8 = 0}
addr_fd = {dummy1 = 0x7fb3155854f0, dummy2 = 1, dummy3 = 16, dummy4 = 2147483639, dummy5 = 0,
dummy6 = 0, dummy7 = 1, dummy8 = 0}
pid_fd = {dummy1 = 0x7fb315585510, dummy2 = 1, dummy3 = 16, dummy4 = 2147483639, dummy5 = 0,
dummy6 = 0, dummy7 = 1, dummy8 = 0}
prev_arg = 0x7fff1c69dbe5 "--session"
i = <value optimized out>
print_pid = 1
force_fork = 1
(gdb) info threads libpthread. so.0
2 Thread 1096554832 (LWP 11326) 0x000000000077776c in recvfrom () from /lib64/
* 1 Thread 140407117903744 (LWP 11324) 0x0000000000e1a012 in strcmp () from /lib64/libc.so.6