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	 4a158ec167
			
		
	
	
	4a158ec167
	
	
	
		
			
			nullptr+0 is an UB (undefined behavior).
- Fixing my_string_metadata_get_mb() to handle {nullptr,0} without UB.
- Fixing THD::copy_with_error() to disallow {nullptr,0} by DBUG_ASSERT().
- Fixing parse_client_handshake_packet() to call THD::copy_with_error()
  with an empty string {"",0} instead of NULL string {nullptr,0}.
		
	
			
		
			
				
	
	
		
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			9 lines
		
	
	
	
		
			249 B
		
	
	
	
		
			Text
		
	
	
	
	
	
| #
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| # MDEV-34226 On startup: UBSAN: applying zero offset to null pointer in my_copy_fix_mb from strings/ctype-mb.c and other locations
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| #
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| connect  con1,localhost,root,,"*NO-ONE*";
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| SELECT database();
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| database()
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| NULL
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| disconnect con1;
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| connection default;
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