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aot debug: Fix a few NULL dereferences on errors (#3273)

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YAMAMOTO Takashi 2024-04-02 15:30:08 +09:00 committed by GitHub
parent 250829c0cc
commit 6b0b5de1c5
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GPG Key ID: B5690EEEBB952194
3 changed files with 11 additions and 3 deletions
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4
core/iwasm/compilation/aot_compiler.c
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@ -966,7 +966,9 @@ aot_compile_func(AOTCompContext *comp_ctx, uint32 func_index)
location = dwarf_gen_location(
comp_ctx, func_ctx,
(frame_ip - 1) - comp_ctx->comp_data->wasm_module->buf_code);
LLVMSetCurrentDebugLocation2(comp_ctx->builder, location);
if (location != NULL) {
LLVMSetCurrentDebugLocation2(comp_ctx->builder, location);
}
#endif
switch (opcode) {

8
core/iwasm/compilation/aot_emit_control.c
View File

@ -374,7 +374,9 @@ handle_next_reachable_block(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
goto fail;
}
#if WASM_ENABLE_DEBUG_AOT != 0
LLVMInstructionSetDebugLoc(ret, return_location);
if (return_location != NULL) {
LLVMInstructionSetDebugLoc(ret, return_location);
}
#endif
}
else {
@ -383,7 +385,9 @@ handle_next_reachable_block(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
goto fail;
}
#if WASM_ENABLE_DEBUG_AOT != 0
LLVMInstructionSetDebugLoc(ret, return_location);
if (return_location != NULL) {
LLVMInstructionSetDebugLoc(ret, return_location);
}
#endif
}
}

2
core/iwasm/compilation/debug/dwarf_extractor.cpp
View File

@ -491,6 +491,8 @@ dwarf_gen_location(const AOTCompContext *comp_ctx,
dwarf_extractor *extractor;
AOTFunc *func = func_ctx->aot_func;
if (func_ctx->debug_func == NULL)
return NULL;
if (!(extractor = TO_EXTACTOR(comp_ctx->comp_data->extractor)))
return NULL;