zebra crash was observed in sonic-mgmt reboot tests

[ysmanman]

Description

We observed the following zebra crash SIGSEGV during sonic-mgmt platform reboot tests. The crash was seen with 202205 image.

(gdb) bt
#0  0x00007f69878d6fe1 in raise () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f69879c589c in core_handler (signo=11, siginfo=0x7ffe482a28b0, context=<optimized out>) at lib/sigevent.c:262
#2  <signal handler called>
#3  zebra_vxlan_macvlan_up (ifp=ifp@entry=0x559fcbb07d00) at zebra/zebra_vxlan.c:4710
#4  0x0000559fcb0e2508 in if_up (ifp=ifp@entry=0x559fcbb07d00) at zebra/interface.c:1071
#5  0x0000559fcb0dcfa9 in netlink_link_change (h=0x7ffe482a33d0, ns_id=0, startup=<optimized out>) at zebra/if_netlink.c:1962
#6  0x0000559fcb0e7eed in netlink_parse_info (filter=filter@entry=0x559fcb0e6a30 <netlink_information_fetch>,
    nl=nl@entry=0x559fcbb00048, zns=zns@entry=0x7ffe482ab420, count=count@entry=5, startup=startup@entry=false)
    at zebra/kernel_netlink.c:1007
#7  0x0000559fcb0e8225 in kernel_read (thread=<optimized out>) at zebra/kernel_netlink.c:416
#8  0x00007f69879d749d in thread_call (thread=thread@entry=0x7ffe482ab550) at lib/thread.c:1958
#9  0x00007f69879914a8 in frr_run (master=0x559fcb8efdc0) at lib/libfrr.c:1184
#10 0x0000559fcb0d5fc6 in main (argc=9, argv=0x7ffe482ab958) at zebra/main.c:471

Steps to reproduce the issue:

Describe the results you received:

Describe the results you expected:

Output of show version:

(paste your output here)

Output of show techsupport:

(paste your output here or download and attach the file here )

Additional information you deem important (e.g. issue happens only occasionally):