Comment 5 for bug 1635856

StacktraceTop:
 __malloc_assert (assertion=assertion@entry=0x7f62b27fa308 "((size + offset) & (GLRO (dl_pagesize) - 1)) == 0", file=file@entry=0x7f62b27f6e2e "malloc.c", line=line@entry=2880, function=function@entry=0x7f62b27fae28 <__func__.11331> "mremap_chunk") at malloc.c:301
 mremap_chunk (p=p@entry=0x5653d935dab0, new_size=new_size@entry=8288) at malloc.c:2880
 __GI___libc_realloc (oldmem=0x5653d935dac0, bytes=bytes@entry=8275) at malloc.c:3060
 cupsFilePrintf (fp=0x5653d9355f50, format=format@entry=0x5653d847ba2b "%c %s %s\n") at file.c:1343
 cupsdWriteErrorLog (level=<optimized out>, message=0x5653d9738eb0 "Unknown configuration directive ", '\\' <repeats 168 times>...) at log.c:1435