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FIB: pass a copy the walk context
12/17612/2
author
Neale Ranns
<nranns@cisco.com>
Thu, 14 Feb 2019 14:58:40 +0000
(14:58 +0000)
committer
Neale Ranns
<nranns@cisco.com>
Fri, 15 Feb 2019 08:14:42 +0000
(08:14 +0000)
since it can realloc when new ctx are added. If
not we can get some nasty memory corruption.
Change-Id: I617709c3013acbcb8aee07dc147894f0de896555
Signed-off-by: Neale Ranns <nranns@cisco.com>
src/vnet/fib/fib_walk.c
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diff --git
a/src/vnet/fib/fib_walk.c
b/src/vnet/fib/fib_walk.c
index
64c2527
..
a267456
100644
(file)
--- a/
src/vnet/fib/fib_walk.c
+++ b/
src/vnet/fib/fib_walk.c
@@
-363,7
+363,9
@@
fib_walk_advance (fib_node_index_t fwi)
while (ii < n_ctxs)
{
- wrc = fib_node_back_walk_one(&sibling, &fwalk->fw_ctx[ii]);
+ fib_node_back_walk_ctx_t ctx = fwalk->fw_ctx[ii];
+
+ wrc = fib_node_back_walk_one(&sibling, &ctx);
ii++;
fwalk = fib_walk_get(fwi);