[VPP-1573] Crash on reassembly

[vvalderrv]

DBGvpp# /vpp/codenomicon/src/vnet/ip/ip6_reassembly.c:282 (ip6_reass_free) assertion `! pool_is_free (rt->pool, reass)' fails

 

Thread 1 "vpp_main" received signal SIGABRT, Aborted.

__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51

51 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.

(gdb) bt

#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51

#1  0x00007ffff5c31801 in __GI_abort () at abort.c:79

#2  0x000055555555c568 in os_panic () at /vpp/codenomicon/src/vpp/vnet/main.c:335

#3  0x00007ffff602020f in debugger () at /vpp/codenomicon/src/vppinfra/error.c:84

#4  0x00007ffff602064a in _clib_error (how_to_die=2, function_name=0x0, line_number=0, fmt=0x7ffff7749d38 "%s:%d (%s) assertion `%s' fails")

    at /vpp/codenomicon/src/vppinfra/error.c:143

#5  0x00007ffff6ef0b58 in ip6_reass_free (rm=0x7ffff7b7d880 <ip6_reass_main>, rt=0x7fffb5a7d28c, reass=0x7fffb5c2a87c)

    at /vpp/codenomicon/src/vnet/ip/ip6_reassembly.c:282

#6  0x00007ffff6ef1f8b in ip6_reass_finalize (vm=0x7ffff681b300 <vlib_global_main>, node=0x7fffb4ff5640, rm=0x7ffff7b7d880 <ip6_reass_main>,

    rt=0x7fffb5a7d28c, reass=0x7fffb5c2a87c, bi0=0x7fffb53ff9a8, next0=0x7fffb53ff9ac, error0=0x7fffb53ff9b0,

    vec_drop_compress=0x7ffff7b61d50 <vec_drop_compress>, is_feature=false) at /vpp/codenomicon/src/vnet/ip/ip6_reassembly.c:625

#7  0x00007ffff6ef26c4 in ip6_reass_update (vm=0x7ffff681b300 <vlib_global_main>, node=0x7fffb4ff5640, rm=0x7ffff7b7d880 <ip6_reass_main>,

    rt=0x7fffb5a7d28c, reass=0x7fffb5c2a87c, bi0=0x7fffb53ff9a8, next0=0x7fffb53ff9ac, error0=0x7fffb53ff9b0, frag_hdr=0x7ffbb10d73b6,

    vec_drop_overlap=0x7ffff7b61d48 <vec_drop_overlap>, vec_drop_compress=0x7ffff7b61d50 <vec_drop_compress>, is_feature=false)

    at /vpp/codenomicon/src/vnet/ip/ip6_reassembly.c:789

#8  0x00007ffff6ef3659 in ip6_reassembly_inline (vm=0x7ffff681b300 <vlib_global_main>, node=0x7fffb4ff5640, frame=0x7fffb5c3abc0,

    is_feature=false) at /vpp/codenomicon/src/vnet/ip/ip6_reassembly.c:1012

#9  0x00007ffff6ef3a87 in ip6_reassembly (vm=0x7ffff681b300 <vlib_global_main>, node=0x7fffb4ff5640, frame=0x7fffb5c3abc0)

    at /vpp/codenomicon/src/vnet/ip/ip6_reassembly.c:1083

#10 0x00007ffff658d189 in dispatch_node (vm=0x7ffff681b300 <vlib_global_main>, node=0x7fffb4ff5640, type=VLIB_NODE_TYPE_INTERNAL,

    dispatch_state=VLIB_NODE_STATE_POLLING, frame=0x7fffb5c3abc0, last_time_stamp=39217355194816) at /vpp/codenomicon/src/vlib/main.c:1201

#11 0x00007ffff658d94a in dispatch_pending_node (vm=0x7ffff681b300 <vlib_global_main>, pending_frame_index=4, last_time_stamp=39217355194816)

    at /vpp/codenomicon/src/vlib/main.c:1368

#12 0x00007ffff658f5f0 in vlib_main_or_worker_loop (vm=0x7ffff681b300 <vlib_global_main>, is_main=1) at /vpp/codenomicon/src/vlib/main.c:1793

#13 0x00007ffff658fe6b in vlib_main_loop (vm=0x7ffff681b300 <vlib_global_main>) at /vpp/codenomicon/src/vlib/main.c:1895

#14 0x00007ffff6590bf8 in vlib_main (vm=0x7ffff681b300 <vlib_global_main>, input=0x7fffb53fffb0) at /vpp/codenomicon/src/vlib/main.c:2084

#15 0x00007ffff65ed8e7 in thread0 (arg=140737329083136) at /vpp/codenomicon/src/vlib/unix/main.c:606

#16 0x00007ffff60434f4 in clib_calljmp () from /vpp/codenomicon/build-root/install-vpp_debug-native/vpp/lib/libvppinfra.so.19.04

#17 0x00007fffffffd1a0 in ?? ()

#18 0x00007ffff65eddb4 in vlib_unix_main (argc=12, argv=0x7fffffffe498) at /vpp/codenomicon/src/vlib/unix/main.c:675

#19 0x000055555555bfac in main (argc=12, argv=0x7fffffffe498) at /vpp/codenomicon/src/vpp/vnet/main.c:274