1338 			WARN_INSN(insn, "tail call to __fentry__ !?!?");  in annotate_call_site()
2770 			WARN_INSN(insn, "undefined stack state");  in update_cfi_state()
2970 				WARN_INSN(insn, "unsupported stack register modification");  in update_cfi_state()
2980 				WARN_INSN(insn, "unsupported stack pointer realignment");  in update_cfi_state()
3075 			WARN_INSN(insn, "unknown stack-related instruction");  in update_cfi_state()
3164 			WARN_INSN(insn, "unknown stack-related memory operation");  in update_cfi_state()
3176 		WARN_INSN(insn, "unknown stack-related instruction");  in update_cfi_state()
3214 			WARN_INSN(orig, "stack layout conflict in alternatives: %s",  in propagate_alt_cfi()
3243 				WARN_INSN(insn, "PUSHF stack exhausted");  in handle_insn_ops()
3275 		WARN_INSN(insn, "stack state mismatch: cfa1=%d%+d cfa2=%d%+d",  in insn_cfi_match()
3288 			WARN_INSN(insn, "stack state mismatch: reg1[%d]=%d%+d reg2[%d]=%d%+d",  in insn_cfi_match()
3297 		WARN_INSN(insn, "stack state mismatch: type1=%d type2=%d",  in insn_cfi_match()
3306 		WARN_INSN(insn, "stack state mismatch: drap1=%d(%d,%d) drap2=%d(%d,%d)",  in insn_cfi_match()
3413 		WARN_INSN(insn, "call to %s() leaves .noinstr.text section", call_dest_name(insn));  in validate_call()
3418 		WARN_INSN(insn, "call to %s() with UACCESS enabled", call_dest_name(insn));  in validate_call()
3423 		WARN_INSN(insn, "call to %s() with DF set", call_dest_name(insn));  in validate_call()
3435 		WARN_INSN(insn, "sibling call from callable instruction with modified stack frame");  in validate_sibling_call()
3445 		WARN_INSN(insn, "return with instrumentation enabled");  in validate_return()
3450 		WARN_INSN(insn, "return with UACCESS enabled");  in validate_return()
3455 		WARN_INSN(insn, "return with UACCESS disabled from a UACCESS-safe function");  in validate_return()
3460 		WARN_INSN(insn, "return with DF set");  in validate_return()
3465 		WARN_INSN(insn, "return with modified stack frame");  in validate_return()
3470 		WARN_INSN(insn, "BP used as a scratch register");  in validate_return()
3606 					WARN_INSN(insn, "no corresponding CFI save for CFI restore");  in validate_branch()
3623 					WARN_INSN(insn, "objtool isn't smart enough to handle this CFI save/restore combo");  in validate_branch()
3677 				WARN_INSN(insn, "call without frame pointer save/setup");  in validate_branch()
3719 				WARN_INSN(insn, "unsupported instruction in callable function");  in validate_branch()
3727 				WARN_INSN(insn, "unsupported instruction in callable function");  in validate_branch()
3738 				WARN_INSN(insn, "recursive UACCESS enable");  in validate_branch()
3750 				WARN_INSN(insn, "redundant UACCESS disable");  in validate_branch()
3755 				WARN_INSN(insn, "UACCESS-safe disables UACCESS");  in validate_branch()
3764 				WARN_INSN(insn, "recursive STD");  in validate_branch()
3773 				WARN_INSN(insn, "redundant CLD");  in validate_branch()
3877 			WARN_INSN(insn, "early indirect call");  in validate_unret()
3884 					WARN_INSN(insn, "unresolved jump target after linking?!?");  in validate_unret()
3922 			WARN_INSN(insn, "RET before UNTRAIN");  in validate_unret()
3944 			WARN_INSN(insn, "teh end!");  in validate_unret()
3991 				WARN_INSN(insn, "'naked' return found in MITIGATION_RETHUNK build");  in validate_retpoline()
3997 		WARN_INSN(insn, "indirect %s found in MITIGATION_RETPOLINE build",  in validate_retpoline()
4347 	WARN_INSN(insn, "relocation to !ENDBR: %s", offstr(dest->sec, dest->offset));  in __validate_ibt_insn()
4382 				WARN_INSN(insn, "corrupt function pointer reference");  in validate_ibt_insn()
4513 				WARN_INSN(insn, "missing int3 after ret");  in validate_sls()
4520 				WARN_INSN(insn, "missing int3 after indirect jump");  in validate_sls()
4549 				WARN_INSN(insn, "%s() missing __noreturn in .c/.h or NORETURN() in noreturns.h",  in validate_reachable_instructions()
4556 		WARN_INSN(insn, "unreachable instruction");  in validate_reachable_instructions()