x86_64: ensure that dtor pointer passed to app is 0 so it won't be used · 779165e6d4 - Gogs

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x86_64: ensure that dtor pointer passed to app is 0 so it won't be used

leaving it uninitialized caused unpredictable crashes or worse due to
calling an indeterminate function pointer.

Rich Felker %!s(int64=14) %!d(string=hai) anos

pai

596d60c565

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779165e6d4

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src/ldso/x86_64/start.s
							 
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				@@ -5,4 +5,5 @@ _start:
			
				 	lea 8(%rsp),%rsi
			
				 	lea _GLOBAL_OFFSET_TABLE_(%rip),%rdx
			
				 	call __dynlink
			
				+	xor %edx,%edx
			
				 	jmp *%rax