nuttx-update/mm/kasan
yinshengkai a9afed96b9 mm/kasan: print memory around poisoned address
Print shadow memory following asan format.
==3118004==ERROR: AddressSanitizer: global-buffer-overflow on address 0x5618ac32a100 at pc 0x5618ac32727f bp 0x7ffe5f3e66f0 sp 0x7ffe5f3e66e0
WRITE of size 4 at 0x5618ac32a100 thread T0

#0 0x5618ac32727e in main /home/baerg/vela/x4b/asan_test.c:12
#1 0x7f221ce29d8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
#2 0x7f221ce29e3f in __libc_start_main_impl ../csu/libc-start.c:392
#3 0x5618ac327144 in _start (/home/baerg/vela/x4b/asan_test+0x1144)
0x5618ac32a100 is located 0 bytes to the right of global variable 'buffer' defined in 'asan_test.c:5:6' (0x5618ac32a0e0) of size 32
SUMMARY: AddressSanitizer: global-buffer-overflow /home/baerg/vela/x4b/asan_test.c:12 in main
Shadow bytes around the buggy address:
0x0ac39585d3d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ac39585d3e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ac39585d3f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ac39585d400: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 f9 f9 f9
0x0ac39585d410: f9 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 00
=>0x0ac39585d420:[f9]f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00
0x0ac39585d430: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ac39585d440: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ac39585d450: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ac39585d460: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0ac39585d470: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
2024-08-30 01:35:09 +08:00
..
CMakeLists.txt cmake: fix CMake build break 2023-07-15 23:32:36 +08:00
kasan.c mm/kasan: print memory around poisoned address 2024-08-30 01:35:09 +08:00
kasan.h mm: Support the kernel address sanitizer 2021-11-02 13:32:47 -03:00
Make.defs toolchain/lto: enable lto flags only on GNU toolchain 2024-02-18 00:47:53 -08:00