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Merge pull request #49696 from evillique/ubsan-fuzzer

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Fix member call on null pointer in fuzzer
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Nikolay Degterinsky 2023-05-10 00:03:50 +02:00 committed by GitHub
commit 7886353ed0
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1 changed files with 3 additions and 2 deletions
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5
programs/client/Client.cpp
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@ -862,7 +862,8 @@ bool Client::processWithFuzzing(const String & full_query)
const auto * tmp_pos = text_2.c_str();
const auto ast_3 = parseQuery(tmp_pos, tmp_pos + text_2.size(),
false /* allow_multi_statements */);
const auto text_3 = ast_3->formatForErrorMessage();
const auto text_3 = ast_3 ? ast_3->formatForErrorMessage() : "";
if (text_3 != text_2)
{
fmt::print(stderr, "Found error: The query formatting is broken.\n");
@ -877,7 +878,7 @@ bool Client::processWithFuzzing(const String & full_query)
fmt::print(stderr, "Text-1 (AST-1 formatted):\n'{}'\n", query_to_execute);
fmt::print(stderr, "AST-2 (Text-1 parsed):\n'{}'\n", ast_2->dumpTree());
fmt::print(stderr, "Text-2 (AST-2 formatted):\n'{}'\n", text_2);
fmt::print(stderr, "AST-3 (Text-2 parsed):\n'{}'\n", ast_3->dumpTree());
fmt::print(stderr, "AST-3 (Text-2 parsed):\n'{}'\n", ast_3 ? ast_3->dumpTree() : "");
fmt::print(stderr, "Text-3 (AST-3 formatted):\n'{}'\n", text_3);
fmt::print(stderr, "Text-3 must be equal to Text-2, but it is not.\n");