Source: libva Version: 1.3.1-1 Severity: important Tags: upstream There is a use-after-free error in vaTerminate. valgrind reports the following errors when running vainfo:
==31716== Invalid read of size 8 ==31716== at 0x4E38B49: va_TraceEnd (va_trace.c:236) ==31716== by 0x4E36738: vaTerminate (va.c:523) ==31716== by 0x401760: main (vainfo.c:149) ==31716== Address 0x76d45a8 is 56 bytes inside a block of size 72 free'd ==31716== at 0x4C2870C: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==31716== by 0x4E36780: vaTerminate (va.c:519) ==31716== by 0x401760: main (vainfo.c:149) ==31716== ==31716== Invalid write of size 8 ==31716== at 0x4E38BAD: va_TraceEnd (va_trace.c:257) ==31716== by 0x4E36738: vaTerminate (va.c:523) ==31716== by 0x401760: main (vainfo.c:149) ==31716== Address 0x76d45a8 is 56 bytes inside a block of size 72 free'd ==31716== at 0x4C2870C: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==31716== by 0x4E36780: vaTerminate (va.c:519) ==31716== by 0x401760: main (vainfo.c:149) ==31716== ==31716== Invalid read of size 8 ==31716== at 0x4E38307: va_FoolEnd (va_fool.c:143) ==31716== by 0x4E36740: vaTerminate (va.c:525) ==31716== by 0x401760: main (vainfo.c:149) ==31716== Address 0x76d45b0 is 64 bytes inside a block of size 72 free'd ==31716== at 0x4C2870C: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==31716== by 0x4E36780: vaTerminate (va.c:519) ==31716== by 0x401760: main (vainfo.c:149) ==31716== ==31716== Invalid write of size 8 ==31716== at 0x4E38374: va_FoolEnd (va_fool.c:159) ==31716== by 0x4E36740: vaTerminate (va.c:525) ==31716== by 0x401760: main (vainfo.c:149) ==31716== Address 0x76d45b0 is 64 bytes inside a block of size 72 free'd ==31716== at 0x4C2870C: free (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==31716== by 0x4E36780: vaTerminate (va.c:519) ==31716== by 0x401760: main (vainfo.c:149) On Ubuntu this causes SIGSEVs as reported in https://bugs.launchpad.net/ubuntu/+source/libva/+bug/1325873. Cheers -- Sebastian Ramacher
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