[VPP-1818] Crash deleting route with labels

[vvalderrv]

Description

snip of stack trace

#5 0x00007f44ef54f743 in fib_path_list_get (index=4294967295)

at /usr/src/debug/vpp-19.08.1/src/vnet/fib/fib_path_list.c:107

#6 0x00007f44ef552819 in fib_path_list_walk (path_list_index=4294967295,

func=0x7f44ef55ea0f <fib_path_ext_match>, ctx=0x7f44ac5ba8c0)

at /usr/src/debug/vpp-19.08.1/src/vnet/fib/fib_path_list.c:1394

#7 0x00007f44ef55ea85 in fib_path_ext_resolve (path_ext=0x7f44ac5ba8c0,

path_list_index=4294967295) at /usr/src/debug/vpp-19.08.1/src/vnet/fib/fib_path_ext.c:119

#8 0x00007f44ef55f4c4 in fib_path_ext_list_resolve (list=0x7f44ac5d3920,

path_list_index=4294967295) at /usr/src/debug/vpp-19.08.1/src/vnet/fib/fib_path_ext.c:423

#9 0x00007f44ef545657 in fib_entry_src_api_path_remove (src=0x7f44ac5d3920,

pl_flags=FIB_PATH_LIST_FLAG_NONE, rpaths=0x7f44ac5d7d90)

at /usr/src/debug/vpp-19.08.1/src/vnet/fib/fib_entry_src_api.c:126</p>

(gdb) f 7

#7 0x00007f44ef55ea85 in fib_path_ext_resolve (path_ext=0x7f44ac5ba8c0,

path_list_index=4294967295) at /usr/src/debug/vpp-19.08.1/src/vnet/fib/fib_path_ext.c:119

119 fib_path_list_walk(path_list_index,

(gdb) l

114

{
115 /*
116 * Find the path on the path list that this is an extension for
117 */
118 path_ext->fpe_path_index = FIB_NODE_INDEX_INVALID;
119 fib_path_list_walk(path_list_index,
120 fib_path_ext_match,
121 path_ext);
122 }

123

(gdb) p path_list_index

$33 = 4294967295

attempting to walk a null path list. the problem is that the extensions were not removed.

Assignee

Unassigned

Reporter

Neale Ranns

Comments

No comments.

Original issue: https://jira.fd.io/browse/VPP-1818