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MDEV-26817 runtime error: index 24320 out of bounds for type 'json_string_char_classes [128] *and* ASAN: global-buffer-overflow on address ... READ of size 4 on SELECT JSON_VALID

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protect from out-of-bound array access

it was already done in all other places, this one was the only one missed
This commit is contained in:
Sergei Golubchik
2023-01-20 19:21:17 +01:00
parent fc292f42be
commit 0c27559994
1 changed files with 1 additions and 1 deletions
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2
strings/json_lib.c
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@ -826,7 +826,7 @@ static int skip_key(json_engine_t *j)
{
int t_next, c_len;
if (json_instr_chr_map[j->s.c_next] == S_BKSL &&
if (j->s.c_next<128 && json_instr_chr_map[j->s.c_next] == S_BKSL &&
json_handle_esc(&j->s))
return 1;