On 02/16/2016 05:17 AM, Dominique d'Humières wrote: > Hi Jerry, > >> Thanks for review. Committed to trunk r233436. > > The test gfortran.dg/read_bang4.f90 fails on x86_64-apple-darwin15: > > a.out(15552,0x7fff7b2e3000) malloc: *** error for object 0x7fb472804c00: > pointer being freed was not allocated > *** set a breakpoint in malloc_error_break to debug > > Program received signal SIGABRT: Process abort signal. > > If I compile the test with -fsanitize=address, I get > > ================================================================= > ==15561==ERROR: AddressSanitizer: attempting double-free on 0x61a00001c280 in > thread T0: > #0 0x106d1ac40 in wrap_free.part.0 sanitizer_malloc_mac.inc:103 > #1 0x106c0078f in _gfortrani_list_formatted_read list_read.c:137 > #2 0x4400000042 (<unknown module>) > > 0x61a00001c280 is located 0 bytes inside of 1200-byte region > [0x61a00001c280,0x61a00001c730) > freed by thread T0 here: > #0 0x106d19e09 in wrap_realloc sanitizer_malloc_mac.inc:108 > #1 0x106b38a14 in _gfortrani_xrealloc memory.c:98 > > previously allocated by thread T0 here: > #0 0x106d19fe9 in wrap_calloc sanitizer_malloc_mac.inc:114 > #1 0x106b389d2 in _gfortrani_xcalloc memory.c:84 > > SUMMARY: AddressSanitizer: double-free sanitizer_malloc_mac.inc:103 in > wrap_free.part.0 > ==15561==ABORTING > > Program received signal SIGABRT: Process abort signal. > > TIA > > Dominique > >
Up until now we have not had a test case like this for kind=4 testing. I did try -fsanitize=address here and do see the same thing. I will work on this some more. Thanks, Jerry
