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Resolving a potential crash freeing a null pointer when cancelling parses.

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This commit is contained in:
Logan Collins 2022-10-31 11:35:52 -07:00
parent 439a4804db
commit 5337a678fa
1 changed files with 3 additions and 1 deletions
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4
lib/src/parser.c
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@ -1461,7 +1461,9 @@ static bool ts_parser__advance(
((self->cancellation_flag && atomic_load(self->cancellation_flag)) ||
(!clock_is_null(self->end_clock) && clock_is_gt(clock_now(), self->end_clock)))
) {
ts_subtree_release(&self->tree_pool, lookahead);
if (lookahead.ptr) {
ts_subtree_release(&self->tree_pool, lookahead);
}
return false;
}