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Created attachment 1507934 [details]
./testsolv POC2

version: libsolv2.4
Summary: 

There is an illegal address access at ext/testcase.c:2799 testcase_read in libsolv.

Description:

The asan debug is as follows:

$./testsolv POC2

ASAN:SIGSEGV
=================================================================
==37274==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7f5af9e7815f bp 0x7ffc4c843a40 sp 0x7ffc4c8436c0 T0)
    #0 0x7f5af9e7815e in testcase_read /home/company/real_sanitize/libsolv-master/ext/testcase.c:2799
    #1 0x402aa5 in main /home/company/real_sanitize/libsolv-master/tools/testsolv.c:148
    #2 0x7f5af971da3f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x20a3f)
    #3 0x401bb8 in _start (/home/company/real_sanitize/libsolv-master/build/install/bin/testsolv+0x401bb8)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /home/company/real_sanitize/libsolv-master/ext/testcase.c:2799 testcase_read
==37274==ABORTING

Please, which version of libsolv do you have? The "libsolv2.4" seems strange.
In RHEL 8 is "libsolv-0.6.35".

PR https://github.com/openSUSE/libsolv/pull/291

*** Bug 1669563 has been marked as a duplicate of this bug. ***