christos%astron.com@localhost (Christos Zoulas) wrote:
> I used this as the Makefile, and I can't reproduce it (current/amd64)
>
> $ cat Makefile
> LDFLAGS=-lcurses
> CFLAGS=-g -fsanitize=address
>
> all: main
>
> clean:
> rm -f main
Only for a short time I could use ASAN, now it crashes again, also with your Makefile. The output is:
==3916==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x61a00001f1a3 at pc 0x75bd3b62378d bp 0x7f7fff3ce8f0 sp 0x7f7fff3ce0a0
READ of size 1315 at 0x61a00001f1a3 thread T0
LLVMSymbolizer: error reading file: No such file or directory.
#0 0x75bd3b62378c (libasan.so.1+0x2378c)
LLVMSymbolizer: error reading file: No such file or directory.
#1 0x75bd3a204af4 (libterminfo.so.1+0x4af4)
LLVMSymbolizer: error reading file: No such file or directory.
#2 0x75bd3a2052e1 (libterminfo.so.1+0x52e1)
LLVMSymbolizer: error reading file: No such file or directory.
#3 0x75bd3a205376 (libterminfo.so.1+0x5376)
LLVMSymbolizer: error reading file: No such file or directory.
#4 0x75bd3a2047f6 (libterminfo.so.1+0x47f6)
LLVMSymbolizer: error reading file: No such file or directory.
#5 0x75bd3b213ad7 (libcurses.so.7+0x13ad7)
LLVMSymbolizer: error reading file: No such file or directory.
#6 0x75bd3b2122e4 (libcurses.so.7+0x122e4)
LLVMSymbolizer: error reading file: No such file or directory.
#7 0x75bd3b20ded4 (libcurses.so.7+0xded4)
#8 0x401128 (<unknown module>)
#9 0x40103a (<unknown module>)
0x61a00001f1a3 is located 0 bytes to the right of 1315-byte region [0x61a00001ec80,0x61a00001f1a3)
allocated by thread T0 here:
LLVMSymbolizer: error reading file: No such file or directory.
#0 0x75bd3b615a9c (libasan.so.1+0x15a9c)
LLVMSymbolizer: error reading file: No such file or directory.
#1 0x75bd3a205857 (libterminfo.so.1+0x5857)
LLVMSymbolizer: error reading file: No such file or directory.
SUMMARY: AddressSanitizer: heap-buffer-overflow ??:0 ??
Shadow bytes around the buggy address:
0x0c347fffbde0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c347fffbdf0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c347fffbe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c347fffbe10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c347fffbe20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c347fffbe30: 00 00 00 00[03]fa fa fa fa fa fa fa fa fa fa fa
0x0c347fffbe40: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c347fffbe50: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x0c347fffbe60: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x0c347fffbe70: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x0c347fffbe80: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Heap right redzone: fb
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack partial redzone: f4
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
==3916==ABORTING