Zebra crashes with signal 11 upon deletion of VRF with table ID 254 #18699
Description
Description
Creation of a VRF in kernel sharing the same table ID as main table, and later deleting it causes zebra to crash :
sudo ip link add newvrf type vrf table 254
sudo ip link set newvrf up
sudo ip l del dev newvrf
Logs:
kern.crit: Apr 22 10:01:15 ZEBRA[2776914]: Received signal 11 at 1745316075 (si_addr 0x55d8032857f1, PC 0x7f59a7a5d630); aborting...
kern.crit: Apr 22 10:01:15 ZEBRA[2776914]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(zlog_backtrace_sigsafe+0x6f) [0x7f59a7a1800f]
kern.crit: Apr 22 10:01:15 ZEBRA[2776914]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(zlog_signal+0xf5) [0x7f59a7a18215]
kern.crit: Apr 22 10:01:15 ZEBRA[2776914]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(+0x1016e1) [0x7f59a7a516e1]
kern.crit: Apr 22 10:01:15 ZEBRA[2776914]: /lib/x86_64-linux-gnu/libc.so.6(+0x3c050) [0x7f59a761a050]
kern.crit: Apr 22 10:01:15 ZEBRA[2776914]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(route_node_get+0x130) [0x7f59a7a5d630]
kern.crit: Apr 22 10:01:15 ZEBRA[2776914]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(srcdest_rnode_get+0xf) [0x7f59a7a562df]
kern.crit: Apr 22 10:01:15 ZEBRA[2776914]: /usr/lib/frr/zebra(+0xeee79) [0x55dd5af93e79]
kern.crit: Apr 22 10:01:15 ZEBRA[2776914]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(event_call+0x81) [0x7f59a7a63db1]
kern.crit: Apr 22 10:01:15 ZEBRA[2776914]: /usr/lib/x86_64-linux-gnu/frr/libfrr.so.0(frr_run+0xc0) [0x7f59a7a0f940]
kern.crit: Apr 22 10:01:15 ZEBRA[2776914]: /usr/lib/frr/zebra(main+0x3e6) [0x55dd5af2a6e6]
kern.crit: Apr 22 10:01:15 ZEBRA[2776914]: /lib/x86_64-linux-gnu/libc.so.6(+0x2724a) [0x7f59a760524a]
kern.crit: Apr 22 10:01:15 ZEBRA[2776914]: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x85) [0x7f59a7605305]
kern.crit: Apr 22 10:01:15 ZEBRA[2776914]: /usr/lib/frr/zebra(_start+0x21) [0x55dd5af2b691]
kern.crit: Apr 22 10:01:15 ZEBRA[2776914]: in thread rib_process_dplane_results scheduled from ../zebra/zebra_rib.c:4998 rib_dplane_results()
Version
FRRouting 10.0.1
How to reproduce
sudo ip link add newvrf type vrf table 254
sudo ip link set newvrf up
sudo ip l del dev newvrf
Expected behavior
No effect on FRR
Actual behavior
Zebra crashes with signal 11
Additional context
No response
Checklist
- I have searched the open issues for this bug.
- I have not included sensitive information in this report.