gnuplot 5.5 (last modified in 9.18) on centos linux 7.7.1908
ASAN:SIGSEGV
=================================================================
==489== ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x0000008490c0 sp 0x7fff071540c0 bp 0x0fffe0e2a824 T0)
AddressSanitizer can not provide additional info.
#0 0x8490bf (/root/bug_finder/target_program/asan_program/gnuplot+0x8490bf)
#1 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#2 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#3 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#4 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#5 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#6 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#7 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#8 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#9 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#10 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#11 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#12 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#13 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#14 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#15 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#16 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#17 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#18 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#19 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#20 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#21 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#22 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#23 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#24 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#25 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#26 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#27 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#28 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#29 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#30 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#31 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#32 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#33 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#34 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#35 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#36 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#37 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#38 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#39 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#40 0x849085 (/root/bug_finder/target_program/asan_program/gnuplot+0x849085)
#41 0x8434d1 (/root/bug_finder/target_program/asan_program/gnuplot+0x8434d1)
#42 0x843e85 (/root/bug_finder/target_program/asan_program/gnuplot+0x843e85)
#43 0x843e85 (/root/bug_finder/target_program/asan_program/gnuplot+0x843e85)
#44 0x843e85 (/root/bug_finder/target_program/asan_program/gnuplot+0x843e85)
#45 0x8abe38 (/root/bug_finder/target_program/asan_program/gnuplot+0x8abe38)
#46 0x8d8aa9 (/root/bug_finder/target_program/asan_program/gnuplot+0x8d8aa9)
#47 0x444d70 (/root/bug_finder/target_program/asan_program/gnuplot+0x444d70)
#48 0x59c4c8 (/root/bug_finder/target_program/asan_program/gnuplot+0x59c4c8)
#49 0x68cb95 (/root/bug_finder/target_program/asan_program/gnuplot+0x68cb95)
#50 0x463bc3 (/root/bug_finder/target_program/asan_program/gnuplot+0x463bc3)
#51 0x459f6c (/root/bug_finder/target_program/asan_program/gnuplot+0x459f6c)
#52 0x61b63b (/root/bug_finder/target_program/asan_program/gnuplot+0x61b63b)
#53 0x40772e (/root/bug_finder/target_program/asan_program/gnuplot+0x40772e)
#54 0x7fa21ba6d554 (/usr/lib64/libc-2.17.so+0x22554)
#55 0x4084ec (/root/bug_finder/target_program/asan_program/gnuplot+0x4084ec)
==489== ABORTING
I cannot reproduce this.
Tried in valgrind with and without address sanitizing. No errors.