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nbr_table_is_registered: prevent potential buffer overflow

This commit is contained in:
Simon Duquennoy 2018-03-19 12:08:02 -07:00
parent fc053b15b9
commit baa02a76f2
1 changed files with 2 additions and 1 deletions
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3
os/net/nbr-table.c
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@ -305,7 +305,8 @@ nbr_table_register(nbr_table_t *table, nbr_table_callback *callback)
int
nbr_table_is_registered(nbr_table_t *table)
{
if(table != NULL && all_tables[table->index] == table) {
if(table != NULL && table->index >= 0 && table->index < MAX_NUM_TABLES
&& all_tables[table->index] == table) {
return 1;
}
return 0;