| Summary: | Invalid read with incorrect charset | ||
|---|---|---|---|
| Product: | FriBidi | Reporter: | ubitux <freedesktop> |
| Component: | bidi | Assignee: | Behdad Esfahbod <freedesktop> |
| Status: | NEW --- | QA Contact: | |
| Severity: | normal | ||
| Priority: | medium | ||
| Version: | unspecified | ||
| Hardware: | Other | ||
| OS: | All | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
| Attachments: | fribidi invalid read sample code | ||
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Created attachment 46738 [details] fribidi invalid read sample code If the charset of the input is incorrectly set, FriBiDi reads more than it should: valgrind ./a.out ==12488== Memcheck, a memory error detector ==12488== Copyright (C) 2002-2010, and GNU GPL'd, by Julian Seward et al. ==12488== Using Valgrind-3.6.1 and LibVEX; rerun with -h for copyright info ==12488== Command: ./a.out ==12488== ==12488== Invalid read of size 1 ==12488== at 0x4E30408: fribidi_utf8_to_unicode (in /usr/lib/libfribidi.so.0.3.1) ==12488== by 0x4005CC: main (in /tmp/a.out) ==12488== Address 0x539e042 is 0 bytes after a block of size 2 alloc'd ==12488== at 0x4C2541D: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==12488== by 0x50BC2A1: strdup (in /lib/libc-2.13.so) ==12488== by 0x4005A8: main (in /tmp/a.out) ==12488== ==12488== ==12488== HEAP SUMMARY: ==12488== in use at exit: 2 bytes in 1 blocks ==12488== total heap usage: 1 allocs, 0 frees, 2 bytes allocated ==12488== ==12488== LEAK SUMMARY: ==12488== definitely lost: 2 bytes in 1 blocks ==12488== indirectly lost: 0 bytes in 0 blocks ==12488== possibly lost: 0 bytes in 0 blocks ==12488== still reachable: 0 bytes in 0 blocks ==12488== suppressed: 0 bytes in 0 blocks ==12488== Rerun with --leak-check=full to see details of leaked memory ==12488== ==12488== For counts of detected and suppressed errors, rerun with: -v ==12488== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 7 from 7) FriBiDi version is 0.19.2.