Mercurial > cpython-lru_cache-weakref
view Python/pyfpe.c @ 79005:2fa7c104f909
Fix out of bounds read in long_new() for empty bytes with an explicit base. int(b'', somebase) calls PyLong_FromString() with char* of length 1 but the function accesses the first argument at offset 1. CID 715359
| author | Christian Heimes <christian@cheimes.de> |
|---|---|
| date | Wed, 12 Sep 2012 15:32:06 +0200 |
| parents | 2dea40e40d9d |
| children |
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#include "pyconfig.h" #include "pyfpe.h" /* * The signal handler for SIGFPE is actually declared in an external * module fpectl, or as preferred by the user. These variable * definitions are required in order to compile Python without * getting missing externals, but to actually handle SIGFPE requires * defining a handler and enabling generation of SIGFPE. */ #ifdef WANT_SIGFPE_HANDLER jmp_buf PyFPE_jbuf; int PyFPE_counter = 0; #endif /* Have this outside the above #ifdef, since some picky ANSI compilers issue a warning when compiling an empty file. */ double PyFPE_dummy(void *dummy) { return 1.0; }
