http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55975
--- Comment #19 from Andreas Schwab <sch...@linux-m68k.org> 2013-01-18 13:25:42
UTC ---
MEM_TO_SHODOW does not work when (SHADOW_OFFSET << SHADOW_SHIFT) is less than
kHighMemEnd.
$ ASAN_OPTIONS=verbosity=1 ./clone-test-1.exe
==16778== Parsed ASAN_OPTIONS: verbosity=1
==16778== AddressSanitizer: libc interceptors initialized
|| `[0x080000000000, 0x3fffffffffff]` || HighMem ||
|| `[0x030000000000, 0x07ffffffffff]` || HighShadow ||
|| `[0x024000000000, 0x02ffffffffff]` || ShadowGap ||
|| `[0x020000000000, 0x023fffffffff]` || LowShadow ||
|| `[0x000000000000, 0x01ffffffffff]` || LowMem ||
MemToShadow(shadow): 0x024000000000 0x0247ffffffff 0x026000000000
0x02ffffffffff
red_zone=128
malloc_context_size=30
SHADOW_SCALE: 3
SHADOW_GRANULARITY: 8
SHADOW_OFFSET: 20000000000
==16778== Installed the sigaction for signal 11
==16778== T0: stack [0x3fffcebc9000,0x3fffcf3c9000) size 0x800000;
local=0x3fffcf3c6990
==16778== AddressSanitizer Init done
ASAN:SIGSEGV
=================================================================
==16778== ERROR: AddressSanitizer: SEGV on unknown address 0x09fff9e78d62 (pc
0x000010000d10 sp 0x3fffcf3c6a70 bp 0x3fffcf3c6a70 T0)
AddressSanitizer can not provide additional info.
#0 0x10000d0c
(/home/andreas/src/gcc/ppc/gcc/testsuite/gcc/clone-test-1.exe+0x10000d0c)
Stats: 0M malloced (0M for red zones) by 0 calls
Stats: 0M realloced by 0 calls
Stats: 0M freed by 0 calls
Stats: 0M really freed by 0 calls
Stats: 0M (0M-0M) mmaped; 0 maps, 0 unmaps
mmaps by size class:
mallocs by size class:
frees by size class:
rfrees by size class:
Stats: malloc large: 0 small slow: 0
Stats: StackDepot: 0 ids; 0M mapped
==16778== ABORTING
