wangmingrong1
23981cdf3d
mm/kasan: Add branch prediction and constant prediction
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Signed-off-by: wangmingrong1 <wangmingrong1@xiaomi.com>
2024-09-19 03:15:29 +08:00
wangmingrong1
63a371b261
mm/kasan: Change the init flag
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predict_false(g_region_init == KASAN_INIT_VALUE))
c: e3003000 movw r3, #0
10: e3403000 movt r3, #0
if (predict_false(size == 0) ||
14: e5932000 ldr r2, [r3]
18: e30e3adf movw r3, #60127 ; 0xeadf
if KASAN_INIT_VALUE is 0xdeadcafe, run function movw will again and load twice
Signed-off-by: wangmingrong1 <wangmingrong1@xiaomi.com>
2024-09-19 03:15:29 +08:00
wangmingrong1
b49eef7f4e
mm/kasan: The complete implementation of inline instrumentation functions
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1. Use always_inline_function instead of inline, inline does not take effect
2. Activate Kasan acceleration by 1/7
Signed-off-by: wangmingrong1 <wangmingrong1@xiaomi.com>
2024-09-19 03:15:29 +08:00
yinshengkai
87dc91b588
mm/kasan: add kasan watch point implementation
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Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
2024-09-19 03:15:29 +08:00
yinshengkai
e154c6d071
mm/kasan: add null pointer access configuration
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Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
2024-09-19 03:15:29 +08:00
yinshengkai
496e44db7f
mm: kasan supports checking 0 address access
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Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
2024-09-19 03:15:29 +08:00
yinshengkai
ae7a3d7071
mm: move kasna_start/stop to hook.c
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Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
2024-09-19 03:15:29 +08:00
yinshengkai
be86b03794
mm/kasan: support Disable Kasan read Panic
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Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
2024-09-19 03:15:29 +08:00
yinshengkai
d365be9f2f
kasan: remove kasan report recursive check
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PANIC never returns and abort is called to exit the process after calling assert
When BOARD_RESET_ON_ASSERT < 2, the second kasan_report will not be executed.
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
2024-09-19 03:15:29 +08:00
wangmingrong
ae3facda53
kasan: Implementation of Kasan based on software tags.
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Currently, only aarch64 is supported
Signed-off-by: wangmingrong <wangmingrong@xiaomi.com>
2024-09-19 03:15:29 +08:00
Xiang Xiao
9c6bed4b00
mm: Move kasan.h from mm/kasan to include/nuttx/mm
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so other parts of the system can use it.
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2024-09-19 03:15:29 +08:00
Xiang Xiao
47ffb9019f
mm: Support the different kasan implementation
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Split kasan.c to incorporate label based kasan:
hook.c: Implement compiler instrumentation function
generic.c: Implementation software kasan algorithm
Signed-off-by: wangmingrong <wangmingrong1@xiaomi.com>
2024-09-19 03:15:29 +08:00