Commit Graph

5 Commits

Author SHA1 Message Date
wangmingrong1
469418f3c9 mm/kasan: Kasan global support setting alignment length
1. Similar to asan, supports single byte out of bounds detection
2. Fix the script to address the issue of not supporting the big end

Signed-off-by: wangmingrong1 <wangmingrong1@xiaomi.com>
2024-09-20 21:47:23 +08:00
wangmingrong1
0d8b6de03a mm/kasan: Map the generated shadow area to the fixed segment
Since the size of the shadow area will change during the script merging of global variables, it will lead to unpredictable number of links. After fixing, only three links are required.

Signed-off-by: wangmingrong1 <wangmingrong1@xiaomi.com>
2024-09-20 21:47:23 +08:00
wangmingrong1
5c511443fe mm/kasan: Using arrays instead of linked lists
1. Modify the Kasan global variable script to support array storage of region addresses
2. Due to the lack of formatting in the previous attempt, a formatting script was created

Signed-off-by: wangmingrong1 <wangmingrong1@xiaomi.com>
2024-09-20 21:47:23 +08:00
Alin Jerpelea
c9eef2d697 tools: migrate to SPDX identifier
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>
2024-09-10 23:11:11 +08:00
W-M-R
0ede3fc377 kasan: Implementing global variable out of bounds detection
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