339457dda3
mm: migrate to SPDX identifier
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Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2024-09-13 08:49:05 +08:00
c75886b8f8
kasan: add new API kasan_init_early()
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Signed-off-by: ligd <liguiding1@xiaomi.com>
2024-08-30 01:35:09 +08:00
64cbafeaa0
mm/kasan: Delete the lock when adding regions
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Signed-off-by: wangmingrong <wangmingrong@xiaomi.com>
2024-08-30 01:35:09 +08:00
fa5d843aa9
assert in kasan_set_poison() if `size` is zero
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e.g. mm_realloc() => kasan_poison() => kasan_set_poison()
_assert: Assertion failed p != ((void*)0): at file: kasan/kasan.c:239 task: nsh_main process: nsh_main 0x4402caa5
Signed-off-by: wangjianyu3 <wangjianyu3@xiaomi.com>
2024-08-30 01:35:09 +08:00
5d0ffdf44e
mm: add disable kasan panic configuration
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In some cases we hope to be able to find errors without affecting the running of the program
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
2024-08-30 01:35:09 +08:00
a9afed96b9
mm/kasan: print memory around poisoned address
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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
aee17d6cc2
kasan:fix bug write error is recognized as read error
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Signed-off-by: anjiahao <anjiahao@xiaomi.com>
2024-08-12 02:00:04 +08:00
0ede3fc377
kasan: Implementing global variable out of bounds detection
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Extracting global variable information using scripts:
kasan_global.py:
1. Extract the global variable information provided by the -- param asan globals=1 option
2. Generate shadow regions for global variable out of bounds detection
Makefile:
1. Implement multiple links, embed the shadow area into the program, and call it by the Kasan module
Signed-off-by: W-M-R <mike_0528@163.com>
2024-04-07 23:31:13 +08:00
cb94f825af
kasan: add builtin_return_address(0) to kasan
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Signed-off-by: ligd <liguiding1@xiaomi.com>
2023-09-24 03:48:39 +08:00
a2c4027da6
mm/kasan: replace load/store methods to marco
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Signed-off-by: chao an <anchao@xiaomi.com>
2023-06-28 15:18:04 +08:00
8be4bca3eb
kasan: fix kasan race-condition
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Change-Id: I1c729b8a85422a1f4326785e5d52cb0fc60d4822
Signed-off-by: ligd <liguiding1@xiaomi.com>
2022-11-03 08:58:16 +08:00
d1d46335df
Replace nxsem API when used as a lock with nxmutex API
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Signed-off-by: anjiahao <anjiahao@xiaomi.com>
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-10-17 15:59:46 +09:00
a1c9598fff
kasan: use init value to avoid kasan used before bss clear
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Signed-off-by: ligd <liguiding1@xiaomi.com>
2022-09-10 10:31:16 +08:00
484bdc54d3
Fixed warnings in various prints.
2022-08-30 22:53:01 +08:00
559f831005
sim: Enable ubsan in sim:kasan
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Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
2022-08-23 17:51:20 +08:00
39cdd99d77
mm: Support the kernel address sanitizer
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Signed-off-by: chenwei23 <chenwei23@xiaomi.com>
2021-11-02 13:32:47 -03:00
Alin Jerpelea