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stats: fix vector overrun in expend check

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Do not access allocated elements beyond the end of the vector. They are
allocated, but not yet valid both logically (they are at best NULLs) and
according to ASAN.

Type: fix
Change-Id: Iaf43767d6d3bd4c24c7c5a0ba9b3410bbeeb0556
Signed-off-by: Dmitry Valter <d-valter@yandex-team.ru>
This commit is contained in:
Dmitry Valter
2022-04-08 10:08:32 +00:00
committed by Damjan Marion
parent d5045e68a7
commit 1c8c6d302a
1 changed files with 2 additions and 2 deletions
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4
src/vlib/stats/stats.c
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@ -354,7 +354,7 @@ vlib_stats_validate_will_expand_internal (u32 entry_index, va_list *va)
u32 idx1 = va_arg (*va, u32);
u64 **data = e->data;
if (idx0 >= vec_max_len (data))
if (idx0 >= vec_len (data))
goto done;
for (u32 i = 0; i <= idx0; i++)
@ -369,7 +369,7 @@ vlib_stats_validate_will_expand_internal (u32 entry_index, va_list *va)
va_end (*va);
if (idx0 >= vec_max_len (data))
if (idx0 >= vec_len (data))
goto done;
for (u32 i = 0; i <= idx0; i++)