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[mono][aot] Avoid a crash if a method's signature cannot be loaded. #98997

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[mono][aot] Avoid a crash if a method's signature cannot be loaded. #98997

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9 changes: 9 additions & 0 deletions src/mono/mono/mini/aot-compiler.c
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Original file line number Diff line number Diff line change
Expand Up @@ -12949,6 +12949,7 @@ collect_methods (MonoAotCompile *acfg)
ERROR_DECL (error);
MonoMethod *method;
guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
MonoMethodSignature *sig;

method = mono_get_method_checked (acfg->image, token, NULL, NULL, error);

Expand All @@ -12959,6 +12960,14 @@ collect_methods (MonoAotCompile *acfg)
return FALSE;
}

sig = mono_method_signature_checked (method, error);
if (!sig) {
aot_printerrf (acfg, "Failed to load method %s:%s from '%s' due to %s.\n", mono_class_full_name (method->klass), method->name, image->name, mono_error_get_message (error));
aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
mono_error_cleanup (error);
return FALSE;
}

/* Load all methods eagerly to skip the slower lazy loading code */
mono_class_setup_methods (method->klass);

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