diff options
| author |   Dmitry Valter <d-valter@yandex-team.ru> | 2022-02-22 06:40:22 +0000 |
|---|---|---|
| committer |   Andrew Yourtchenko <ayourtch@gmail.com> | 2022-02-23 10:16:51 +0000 |
| commit | d3ba1767743d3b6f9d591fd59cc8f401d8fccbf3 (patch) | |
| tree | 40e520a60c3c6bbc41cf5d260993a481e277f5fc | |
| parent | 8cd5a1a1e088ee6b2ca7e0b7fffa6a4912af2780 (diff) | |
fib: fix mpls db label overflow
mpls fib DB size was 2^20 instead of intended 2^21.
Therefore large mpls labels caused DB to overflow and write
to other tables or some random objects. Or crash with ASAN.
Sometimes.
Type: fix
Signed-off-by: Dmitry Valter <d-valter@yandex-team.ru>
Change-Id: I6db65680037a266fe47e8213464a0c16de63c06c
(cherry picked from commit cf2595dfc0b446dd9bd5311d972cfb53b5567df8)
| -rw-r--r-- | src/vnet/fib/mpls_fib.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vnet/fib/mpls_fib.h b/src/vnet/fib/mpls_fib.h index e7ea5d583d1..e9fee9990ac 100644 --- a/src/vnet/fib/mpls_fib.h +++ b/src/vnet/fib/mpls_fib.h @@ -31,7 +31,7 @@ * Type exposure is to allow the DP fast/inlined access */ #define MPLS_FIB_KEY_SIZE 21 -#define MPLS_FIB_DB_SIZE (1 << (MPLS_FIB_KEY_SIZE-1)) +#define MPLS_FIB_DB_SIZE (1 << MPLS_FIB_KEY_SIZE) /** * There are no options for controlling the MPLS flow hash, |