Messages in this thread | | | Subject | Re: [PATCH bpf-next v2 1/3] ima: Implement ima_inode_hash | From | Yonghong Song <> | Date | Fri, 20 Nov 2020 22:48:45 -0800 |
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On 11/20/20 4:50 PM, KP Singh wrote: > From: KP Singh <kpsingh@google.com> > > This is in preparation to add a helper for BPF LSM programs to use > IMA hashes when attached to LSM hooks. There are LSM hooks like > inode_unlink which do not have a struct file * argument and cannot > use the existing ima_file_hash API. > > An inode based API is, therefore, useful in LSM based detections like an > executable trying to delete itself which rely on the inode_unlink LSM > hook. > > Moreover, the ima_file_hash function does nothing with the struct file > pointer apart from calling file_inode on it and converting it to an > inode. > > Signed-off-by: KP Singh <kpsingh@google.com>
Acked-by: Yonghong Song <yhs@fb.com>
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