Bug 5629 - [ANCK 5.10] ext4: avoid a potential slab-out-of-bounds in ext4_group_desc_csum
Summary: [ANCK 5.10] ext4: avoid a potential slab-out-of-bounds in ext4_group_desc_csum
Status: RESOLVED FIXED
Alias: None
Product: ANCK 5.10 Dev
Classification: ANCK
Component: fs (show other bugs) fs
Version: unspecified
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: zhujun
QA Contact: shuming
URL:
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Keywords:
Depends on:
Blocks:
 
Reported: 2023-06-27 16:04 UTC by zhujun
Modified: 2023-07-10 20:59 UTC (History)
3 users (show)

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Description zhujun cmss_group 2023-06-27 16:04:12 UTC 
Description of problem:

将openEuler-22.03-LTS-SP1内核集成到我们的OS，打开KASAN选项对内核进行syzkaller模糊测试，BUG: KASAN: slab-out-of-bounds


Additional info:

社区有patch已经解决
ext4: avoid a potential slab-out-of-bounds in ext4_group_desc_csum
commit 4f04351888a83e595571de672e0a4a8b74f4fb31
Reference:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v6.4&id=4f04351888a83e595571de672e0a4a8b74f4fb31
Comment 1 Joseph Qi alibaba_cloud_group 2023-06-27 16:13:19 UTC 
linux-stable 5.10.180 已经合入：
0dde3141c527 ext4: avoid a potential slab-out-of-bounds in ext4_group_desc_csum
Comment 2 zhujun cmss_group 2023-07-05 15:36:42 UTC 
(In reply to josephqi from comment #1)
> linux-stable 5.10.180 已经合入：
> 0dde3141c527 ext4: avoid a potential slab-out-of-bounds in
> ext4_group_desc_csum

合入linux-stable 5.10.180 0dde3141c527  aptch 解决此问题
Comment 3 小龙 admin 2023-07-05 16:11:39 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/1793
Comment 4 Joseph Qi alibaba_cloud_group 2023-07-06 14:53:06 UTC 
(In reply to 小龙 from comment #3)
> The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/1793

merged