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FRRouting
FRRouting
PIM6d:- Core observed after removing pimv6 from source interface
Issue- In my Ixia----FHR---LHR---RP setup , i have removed pimv6 ("no ipv6 pim" ) from FHR source ( ixia connected) interface . Below core observed
root@R4:/var/lib/systemd/coredump# gdb /usr/lib/frr/pim6d core.pim6d.113.8ef143bbdcad4d6989a1380671bc6980.27967.1662763689000000
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Reading symbols from /usr/lib/frr/pim6d...Reading symbols from /usr/lib/debug/.build-id/0c/2e64b8a164c958c9eb7659f9e8d3ac5559f936.debug...done.
done.
[New LWP 27967]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/lib/frr/pim6d -d -F traditional -A ::1'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 raise (sig=sig@entry=11) at ../sysdeps/unix/sysv/linux/raise.c:51
51 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0 raise (sig=sig@entry=11) at ../sysdeps/unix/sysv/linux/raise.c:51
#1 0x00007f3fce10b42c in core_handler (signo=11, siginfo=0x7fff72c8c8f0, context=<optimized out>) at lib/sigevent.c:261
#2 <signal handler called>
#3 0x0000555f446c0867 in pim_upstream_kat_start_ok (up=0x555f45a1e4e0) at pimd/pim_upstream.c:1989
#4 pim_upstream_sg_running_proc (up=0x555f45a1e4e0) at pimd/pim_upstream.c:2029
#5 0x00007f3fce1265e7 in wheel_timer_thread_helper (t=<optimized out>) at lib/wheel.c:55
#6 0x00007f3fce11cf7d in thread_call (thread=0x555f459e57d0) at lib/thread.c:2005
#7 0x00007f3fce11d273 in _thread_execute (xref=0x7f3fce3d2600 <_xref.10900>, m=0x555f4578dc20, func=<optimized out>, arg=0x555f458edf00, val=0)
at lib/thread.c:2097
#8 0x00007f3fce11cf7d in thread_call (thread=thread@entry=0x7fff72c8cf70) at lib/thread.c:2005
#9 0x00007f3fce0d76f8 in frr_run (master=0x555f4578dc20) at lib/libfrr.c:1198
#10 0x0000555f4468e8ba in main (argc=6, argv=0x7fff72c8d288, envp=<optimized out>) at pimd/pim6_main.c:199
(gdb) bt full
#0 raise (sig=sig@entry=11) at ../sysdeps/unix/sysv/linux/raise.c:51
set = {__val = {18446744067266829055, 140735119148503, 167, 0, 0, 0, 7018141387277233769, 93867660738816, 140735119148544, 139912016703203,
140735119148464, 139912016703142, 3539864629463228448, 3834033537019818553, 6875981782654727729, 7526745822175521140}}
pid = <optimized out>
tid = <optimized out>
ret = <optimized out>
#1 0x00007f3fce10b42c in core_handler (signo=11, siginfo=0x7fff72c8c8f0, context=<optimized out>) at lib/sigevent.c:261
pc = <optimized out>
sa_default = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0,
sa_restorer = 0x0}
sigset = {__val = {9216, 0 <repeats 15 times>}}
#2 <signal handler called>
No locals.
#3 0x0000555f446c0867 in pim_upstream_kat_start_ok (up=0x555f45a1e4e0) at pimd/pim_upstream.c:1989
c_oil = 0x555f45a1e670
ifp = 0x555f459c2fe0
pim_ifp = 0x0
c_oil = <optimized out>
ifp = <optimized out>
pim_ifp = <optimized out>
#4 pim_upstream_sg_running_proc (up=0x555f45a1e4e0) at pimd/pim_upstream.c:2029
rv = false
pim = <optimized out>
__func__ = "pim_upstream_sg_running_proc"
#5 0x00007f3fce1265e7 in wheel_timer_thread_helper (t=<optimized out>) at lib/wheel.c:55
node = <optimized out>
nextnode = 0x0
curr_slot = 23
slots_to_skip = 1
wheel = 0x555f458edf00
data = <optimized out>
__func__ = "wheel_timer_thread_helper"
_xrefdata = {xrefdata = {xref = 0x7f3fce3d25c0 <_xref.10877>, uid = "N0CA3-ZVMV3\000\000\000\000",
hashstr = 0x7f3fce16b4e8 "%s: Wheel Slot: %lld(%lld) count: %d", hashu32 = {7, 0}, xui = {re = {
rbt_parent = 0x7f3fce3df9a8 <_xrefdata.18154+40>, rbt_left = 0x555f44922608 <_xrefdata.23105+40>,
rbt_right = 0x555f44924208 <_xrefdata.23078+40>, rbt_color = 1}}}, fl_print_bt = 0 '\000'}
_xref = {xref = {xrefdata = 0x7f3fce3e86a0 <_xrefdata.10876>, type = XREFT_LOGMSG, line = 51, file = 0x7f3fce16b3a7 "lib/wheel.c",
func = 0x7f3fce16b470 <__func__.10878> "wheel_timer_thread_helper"}, fmtstring = 0x7f3fce16b4e8 "%s: Wheel Slot: %lld(%lld) count: %d",
priority = 7, ec = 0, args = 0x7f3fce16b510 "__func__, wheel->curr_slot, curr_slot, ((wheel->wheel_slot_lists[curr_slot])->count)"}
xref_p_1 = 0x7f3fce3d25c0 <_xref.10877>
_xref = {xref = {xrefdata = 0x0, type = XREFT_ASSERT, line = 54, file = 0x7f3fce16b3a7 "lib/wheel.c",
func = 0x7f3fce16b470 <__func__.10878> "wheel_timer_thread_helper"}, expr = 0x7f3fce166a52 "node", extra = 0x0, args = 0x0}
xref_p_2 = 0x7f3fce3d2580 <_xref.10880>
#6 0x00007f3fce11cf7d in thread_call (thread=0x555f459e57d0) at lib/thread.c:2005
before = {cpu = {tv_sec = 0, tv_nsec = 98232239}, real = {tv_sec = 9753762, tv_usec = 713116}}
after = {cpu = {tv_sec = 0, tv_nsec = 140735119150672}, real = {tv_sec = 713113, tv_usec = 139912017261552}}
cputime_enabled_here = true
walltime = <optimized out>
cputime = 139912016940686
exp = <optimized out>
__func__ = <optimized out>
#7 0x00007f3fce11d273 in _thread_execute (xref=0x7f3fce3d2600 <_xref.10900>, m=0x555f4578dc20, func=<optimized out>, arg=0x555f458edf00, val=0)
at lib/thread.c:2097
thread = 0x555f459e57d0
#8 0x00007f3fce11cf7d in thread_call (thread=thread@entry=0x7fff72c8cf70) at lib/thread.c:2005
before = {cpu = {tv_sec = 0, tv_nsec = 98232239}, real = {tv_sec = 9753762, tv_usec = 713116}}
after = {cpu = {tv_sec = 0, tv_nsec = 98191382}, real = {tv_sec = 9753761, tv_usec = 564922}}
---Type <return> to continue, or q <return> to quit---
cputime_enabled_here = true
walltime = <optimized out>
cputime = 0
exp = <optimized out>
__func__ = <optimized out>
#9 0x00007f3fce0d76f8 in frr_run (master=0x555f4578dc20) at lib/libfrr.c:1198
instanceinfo = '\000' <repeats 63 times>
__func__ = "frr_run"
thread = {type = 4 '\004', add_type = 2 '\002', threaditem = {si = {next = 0x0}}, timeritem = {hi = {index = 0}}, ref = 0x555f458edf38,
master = 0x555f4578dc20, func = 0x7f3fce1264b0 <wheel_timer_thread>, arg = 0x555f458edf00, u = {val = 9753762, fd = 9753762, sands = {
tv_sec = 9753762, tv_usec = 712840}}, real = {tv_sec = 9753762, tv_usec = 713116}, hist = 0x555f458ef600, yield = 10000,
xref = 0x7f3fce3d2500 <_xref.10894>, mtx = pthread_mutex_t = {Type = Normal, Status = Not acquired, Robust = No, Shared = No, Protocol = None},
ignore_timer_late = false}
#10 0x0000555f4468e8ba in main (argc=6, argv=0x7fff72c8d288, envp=<optimized out>) at pimd/pim6_main.c:199
longopts = {{name = 0x0, has_arg = 0, flag = 0x0, val = 0}}
