https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63939
--- Comment #1 from howarth at bromo dot med.uc.edu --- This is the diff of the output from the c-c++-common/asan/global-overflow-1.c -O0 execution test on linux and darwin... --- pass 2014-11-18 14:11:05.000000000 -0500 +++ fail 2014-11-18 14:11:40.000000000 -0500 @@ -1,25 +1,25 @@ ================================================================= -==25409==ERROR: AddressSanitizer: global-buffer-overflow on address 0x08049daa at pc 0x08048717 bp 0xffe2ada8 sp 0xffe2ad9c -READ of size 1 at 0x08049daa thread T0 - #0 0x8048716 in main /home/howarth/gcc-trunk/gcc/testsuite/c-c++-common/asan/global-overflow-1.c:20 - #1 0x439383f2 in __libc_start_main (/lib/libc.so.6+0x439383f2) - #2 0x80485c0 (/home/howarth/build/gcc/testsuite/gcc/global-overflow-1.exe+0x80485c0) +==3315==ERROR: AddressSanitizer: global-buffer-overflow on address 0x0006718a at pc 0x00066d0a bp 0xbff97748 sp 0xbff9773c +READ of size 1 at 0x0006718a thread T0 + #0 0x66d09 (/sw/src/fink.build/gcc50-5.0.0-1000/darwin_objdir/gcc/testsuite/gcc/./global-overflow-1.exe+0x1d09) + #1 0x93b076d8 (/usr/lib/system/libdyld.dylib+0x36d8) + #2 0x0 (<unknown module>) -0x08049daa is located 0 bytes to the right of global variable 'YYY' defined in '/home/howarth/gcc-trunk/gcc/testsuite/c-c++-common/asan/global-overflow-1.c:15:15' (0x8049da0) of size 10 -0x08049daa is located 54 bytes to the left of global variable 'ZZZ' defined in '/home/howarth/gcc-trunk/gcc/testsuite/c-c++-common/asan/global-overflow-1.c:16:15' (0x8049de0) of size 10 -SUMMARY: AddressSanitizer: global-buffer-overflow /home/howarth/gcc-trunk/gcc/testsuite/c-c++-common/asan/global-overflow-1.c:20 main +0x0006718a is located 0 bytes to the right of global variable 'YYY' defined in '/sw/src/fink.build/gcc50-5.0.0-1000/gcc-5-20141117/gcc/testsuite/c-c++-common/asan/global-overflow-1.c:15:15' (0x67180) of size 10 +0x0006718a is located 54 bytes to the left of global variable 'ZZZ' defined in '/sw/src/fink.build/gcc50-5.0.0-1000/gcc-5-20141117/gcc/testsuite/c-c++-common/asan/global-overflow-1.c:16:15' (0x671c0) of size 10 +SUMMARY: AddressSanitizer: global-buffer-overflow ??:0 ?? Shadow bytes around the buggy address: - 0x21009360: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - 0x21009370: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - 0x21009380: 00 00 00 00 00 00 00 00 04 f9 f9 f9 f9 f9 f9 f9 - 0x21009390: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - 0x210093a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 02 f9 f9 -=>0x210093b0: f9 f9 f9 f9 00[02]f9 f9 f9 f9 f9 f9 00 02 f9 f9 - 0x210093c0: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00 - 0x210093d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - 0x210093e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - 0x210093f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - 0x21009400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 0x2000cde0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 0x2000cdf0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 0x2000ce00: 00 00 00 00 00 00 00 00 04 f9 f9 f9 f9 f9 f9 f9 + 0x2000ce10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 0x2000ce20: 00 00 00 00 00 00 00 00 00 02 f9 f9 f9 f9 f9 f9 +=>0x2000ce30: 00[02]f9 f9 f9 f9 f9 f9 00 02 f9 f9 f9 f9 f9 f9 + 0x2000ce40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 0x2000ce50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 0x2000ce60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 0x2000ce70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 0x2000ce80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 @@ -39,5 +39,5 @@ Array cookie: ac Intra object redzone: bb ASan internal: fe -==25409==ABORTING +==3315==ABORTING
