#0 0x7fa5f3b9930a  (/lib/x86_64-linux-gnu/libasan.so.6+0x5930a)
#1 0x7fa5f3b9a7a2 in vsprintf (/lib/x86_64-linux-gnu/libasan.so.6+0x5a7a2)
#2 0x7fa5f3b9a8e6 in sprintf (/lib/x86_64-linux-gnu/libasan.so.6+0x5a8e6)
#3 0x562c32c49ccb in func_call src/function.c:2619
	The following lines are periodic:
#4 0x562c32c472ed in expand_builtin_function src/function.c:2420
#5 0x562c32c52819 in handle_function src/function.c:2544
#6 0x562c32c38748 in variable_expand_string src/expand.c:258
#7 0x562c32c3a10c in variable_expand src/expand.c:417
#8 0x562c32c3a261 in variable_expand_for_file src/expand.c:464
#9 0x562c32c37a73 in allocated_variable_expand_for_file src/expand.c:566
#10 0x562c32c38336 in recursively_expand_for_file src/expand.c:140
#11 0x562c32c3963a in reference_variable src/expand.c:174
#12 0x562c32c3963a in variable_expand_string src/expand.c:380
#13 0x562c32c49fbe in func_call src/function.c:2643
...