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| author | Brad King <brad.king@kitware.com> | 2010-09-10 12:58:19 (GMT) |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2010-09-10 13:00:48 (GMT) |
| commit | b9c41813d29be3a520d196ce3abfb533fb5c0dbb (patch) | |
| tree | 89d1d816373b094e9bf91fc168fdfa4ed338c039 | |
| parent | 87fde60563a3915234b33192d7f20b2af0c37206 (diff) | |
| download | CMake-b9c41813d29be3a520d196ce3abfb533fb5c0dbb.zip CMake-b9c41813d29be3a520d196ce3abfb533fb5c0dbb.tar.gz CMake-b9c41813d29be3a520d196ce3abfb533fb5c0dbb.tar.bz2 | |
libarchive: Fix purposeful crash
Dereferencing a 0-pointer is undefined behavior, not a deterministic
crash. Use a 1-pointer instead. This also avoids a warning by Clang
about the undefined behavior.
| -rw-r--r-- | Utilities/cmlibarchive/libarchive/archive_check_magic.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Utilities/cmlibarchive/libarchive/archive_check_magic.c b/Utilities/cmlibarchive/libarchive/archive_check_magic.c index a9177d7..e9dbe51 100644 --- a/Utilities/cmlibarchive/libarchive/archive_check_magic.c +++ b/Utilities/cmlibarchive/libarchive/archive_check_magic.c @@ -69,7 +69,7 @@ diediedie(void) /* Cause a breakpoint exception */ DebugBreak(); #endif - *(char *)0 = 1; /* Deliberately segfault and force a coredump. */ + *(char *)1 = 1; /* Deliberately segfault and force a coredump. */ _exit(1); /* If that didn't work, just exit with an error. */ } |