The attached file causes an invalid memory read access with rpm -i --test.
[rpm-invalidread-rpmdsNewPool-rstreqn.zip](https://github.com/rpm-software-management/rpm/files/736808/rpm-invalidread-rpmdsNewPool-rstreqn.zip)
asan error:
```
==5681==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc
0x000000442d96 bp 0x7ffccc0307b0 sp 0x7ffccc02ff10 T0)
==5681==The signal is caused by a READ memory access.
==5681==Hint: address points to the zero page.
#0 0x442d95 in __interceptor_strncmp.part.68 (/r/rpm/rpm+0x442d95)
#1 0x534748 in rstreqn /f/rpm/rpm/lib/../include/rpm/rpmstring.h:127:13
#2 0x534748 in rpmdsNewPool /f/rpm/rpm/lib/rpmds.c:349
#3 0x58f49b in addTE /f/rpm/rpm/lib/rpmte.c:163:19
#4 0x58f49b in rpmteNew /f/rpm/rpm/lib/rpmte.c:241
#5 0x512642 in addPackage /f/rpm/rpm/lib/depends.c:438:9
#6 0x5122e9 in rpmtsAddInstallElement /f/rpm/rpm/lib/depends.c:493:12
#7 0x57a1d4 in rpmInstall /f/rpm/rpm/lib/rpminstall.c:584:11
#8 0x5057ae in main /f/rpm/rpm/rpmqv.c:295:12
#9 0x7f6ad35aa78f in __libc_start_main (/lib64/libc.so.6+0x2078f)
#10 0x41c648 in _start (/r/rpm/rpm+0x41c648)
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