http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55504
Bug #: 55504 Summary: gcc.c-torture/execute/20071018-1.c execution failures with -fsanitize=address Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: sanitizer AssignedTo: unassig...@gcc.gnu.org ReportedBy: howa...@nitro.med.uc.edu CC: do...@gcc.gnu.org, dvyu...@gcc.gnu.org, ja...@gcc.gnu.org, k...@gcc.gnu.org Using... make -k check-gcc RUNTESTFLAGS="--target_board=unix'{-fsanitize=address}'" on x86_64-apple-darwin12 produces execution failures in... FAIL: gcc.c-torture/execute/20071018-1.c execution, -O0 FAIL: gcc.c-torture/execute/20071018-1.c execution, -O1 FAIL: gcc.c-torture/execute/20071018-1.c execution, -O2 FAIL: gcc.c-torture/execute/20071018-1.c execution, -O3 -fomit-frame-pointer FAIL: gcc.c-torture/execute/20071018-1.c execution, -O3 -g FAIL: gcc.c-torture/execute/20071018-1.c execution, -Os FAIL: gcc.c-torture/execute/20071018-1.c execution, -Og -g FAIL: gcc.c-torture/execute/20071018-1.c execution, -O2 -flto -flto-partition=none FAIL: gcc.c-torture/execute/20071018-1.c execution, -O2 -flto which are of the form... Executing on host: /sw/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/gcc/xgcc -B/sw/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/gcc/ /sw/src/fink.build/gcc48-4.8.0-1000/gcc-4.8-20121127/gcc/testsuite/gcc.c-torture/execute/20071018-1.c -fno-diagnostics-show-caret -w -O0 -lm -fsanitize=address -o /sw/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/gcc/testsuite/gcc/20071018-1.x0 (timeout = 300) PASS: gcc.c-torture/execute/20071018-1.c compilation, -O0 Setting LD_LIBRARY_PATH to :/sw/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/gcc::/sw/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/gcc ================================================================= ==32238== ERROR: AddressSanitizer: heap-buffer-overflow on address 0x00010e4d9fb8 at pc 0x10b81ee35 bp 0x7fff543dea70 sp 0x7fff543dea68 WRITE of size 8 at 0x00010e4d9fb8 thread T0 #0 0x10b81ee34 (/sw/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/gcc/testsuite/gcc/20071018-1.x0+0x100000e34) #1 0x10b81ee89 (/sw/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/gcc/testsuite/gcc/20071018-1.x0+0x100000e89) #2 0x7fff8bd827e0 (/usr/lib/system/libdyld.dylib+0x27e0) #3 0x0 0x00010e4d9fb8 is located 8 bytes to the left of 32-byte region [0x00010e4d9fc0,0x00010e4d9fe0) allocated by thread T0 here: #0 0x10b830a25 (/sw/lib/gcc4.8/lib/libasan.0.dylib+0xba25) #1 0x7fff94c3b152 (/usr/lib/system/libsystem_c.dylib+0x2d152) #2 0x7fff94c3bba6 (/usr/lib/system/libsystem_c.dylib+0x2dba6) #3 0x10b81ede3 (/sw/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/gcc/testsuite/gcc/20071018-1.x0+0x100000de3) #4 0x10b81ee89 (/sw/src/fink.build/gcc48-4.8.0-1000/darwin_objdir/gcc/testsuite/gcc/20071018-1.x0+0x100000e89) #5 0x7fff8bd827e0 (/usr/lib/system/libdyld.dylib+0x27e0) Shadow byte and word: 0x100021c9b3f7: fa 0x100021c9b3f0: fa fa fa fa fa fa fa fa More shadow bytes: 0x100021c9b3d0: fa fa fa fa fa fa fa fa 0x100021c9b3d8: fa fa fa fa fa fa fa fa 0x100021c9b3e0: fa fa fa fa fa fa fa fa 0x100021c9b3e8: fa fa fa fa fa fa fa fa =>0x100021c9b3f0: fa fa fa fa fa fa fa fa 0x100021c9b3f8: 00 00 00 00 fb fb fb fb 0x100021c9b400: fa fa fa fa fa fa fa fa 0x100021c9b408: fa fa fa fa fa fa fa fa 0x100021c9b410: fa fa fa fa fa fa fa fa Stats: 0M malloced (0M for red zones) by 1 calls Stats: 0M realloced by 0 calls Stats: 0M freed by 0 calls Stats: 0M really freed by 0 calls Stats: 0M (128 full pages) mmaped in 1 calls mmaps by size class: 7:4095; mallocs by size class: 7:1; frees by size class: rfrees by size class: Stats: malloc large: 0 small slow: 1 ==32238== ABORTING FAIL: gcc.c-torture/execute/20071018-1.c execution, -O0