Comment 2 for bug 1573307

StacktraceTop:
 __memset_avx2 () at ../sysdeps/x86_64/multiarch/memset-avx2.S:161
 memset (__len=18446744073709551615, __ch=32, __dest=0x562969119a30) at /usr/include/x86_64-linux-gnu/bits/string3.h:90
 create_image (bp=bp@entry=0x56296911c450, dl_total_time=4.3320905730000003, done=done@entry=false) at ../../src/progress.c:1167
 bar_draw (progress=0x56296911c450) at ../../src/progress.c:658
 fd_read_body (downloaded_filename=<optimized out>, fd=fd@entry=4, out=out@entry=0x56296911a0f0, toread=1485881344, startpos=<optimized out>, qtyread=qtyread@entry=0x7ffed2993620, qtywritten=0x7ffed29935d0, elapsed=0x7ffed2993628, flags=1, out2=0x0) at ../../src/retr.c:417