diff options
| author | Chang S. Bae <chang.seok.bae@intel.com> | 2018-05-02 08:07:51 -0700 |
|---|---|---|
| committer | Cyrill Gorcunov <gorcunov@gmail.com> | 2018-05-05 23:43:57 +0300 |
| commit | 69ed82447a13a22e52a86a51a5657c7955a6767b (patch) | |
| tree | 21a254e5eff11164eb7ce053054ead7810938945 | |
| parent | 713fd1ffc82344f58a4ef94506a62c8e32704a2f (diff) | |
| download | nasm-69ed82447a13a22e52a86a51a5657c7955a6767b.tar.gz | |
output: macho -- Check the actual size of 64-bit absolute address
Even though the size is set to 64-bit, actual value can be
in 32-bit range. In that case, the use of such absolute
address is prevented.
The side effect of 58d2ab17 is resolved.
https://bugzilla.nasm.us/show_bug.cgi?id=3392468
Reported-by: Richard Russell <rtrussell@gmail.com>
Reported-by: Michael Petch <mpetch@capp-sysware.com>
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
| -rw-r--r-- | output/outmacho.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/output/outmacho.c b/output/outmacho.c index 266a3dd1..a92b9ecc 100644 --- a/output/outmacho.c +++ b/output/outmacho.c @@ -670,7 +670,8 @@ static void macho_output(int32_t secto, const void *data, nasm_error(ERR_NONFATAL, "Mach-O format does not support" " section base references"); } else if (wrt == NO_SEG) { - if (fmt.ptrsize == 8 && asize != 8) { + if (fmt.ptrsize == 8 && + (asize != 8 || addr <= UINT32_MAX)) { nasm_error(ERR_NONFATAL, "Mach-O 64-bit format does not support" " 32-bit absolute addresses"); |