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author | Liubov Dmitrieva <liubov.dmitrieva@gmail.com> | 2011-12-23 08:50:39 -0500 |
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committer | Ulrich Drepper <drepper@gmail.com> | 2011-12-23 08:50:39 -0500 |
commit | c044cf14b0238b6e866f4ef5f8907d6680230212 (patch) | |
tree | 174941df1d04f8fd18b0cc93401b50a4a97d7a88 /intl | |
parent | d455f537be05dac05b8fc67e58f13fd85d553c74 (diff) | |
download | glibc-c044cf14b0238b6e866f4ef5f8907d6680230212.zip glibc-c044cf14b0238b6e866f4ef5f8907d6680230212.tar.gz glibc-c044cf14b0238b6e866f4ef5f8907d6680230212.tar.bz2 |
Fix wrong copying processing for last bytes in x86-32 wcscpy
Wrong copy algorithm for last bytes, not thread safety.
In some particular cases it uses the destination
memory beyond the string end for
16-byte load, puts changes into that part that is relevant
to destination string and writes whole 16-byte chunk into memory.
I have a test case where the memory beyond the string end contains
malloc/free data, that appear corrupted in case free() updates
it in between the 16-byte read and 16-byte write.
Diffstat (limited to 'intl')
0 files changed, 0 insertions, 0 deletions