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2 Commits

Author SHA1 Message Date
Denys Vlasenko
04f052c56d unlzma: fix a case where we could read before beginning of buffer 
Testcase:

  21 01 01 00 00 00 00 00 e7 01 01 01 ef 00 df b6
  00 17 02 10 11 0f ff 00 16 00 00

Unfortunately, the bug is not reliably causing a segfault,
the behavior depends on what's in memory before the buffer.

function                                             old     new   delta
unpack_lzma_stream                                  2762    2768      +6

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2021-06-15 15:14:00 +02:00
Denys Vlasenko
a1870f4807 unlzma: fix segfault on bad archive 
function                                             old     new   delta
unpack_lzma_stream                                  2647    2653      +6

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2018-04-08 20:45:16 +02:00