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linux/security/integrity/ima/ima_api.c
Mimi Zohar 01baa39cf5 ima: fallback to using i_version to detect file change 
Commit db1d1e8b98 ("IMA: use vfs_getattr_nosec to get the i_version")
replaced detecting file change based on i_version with
STATX_CHANGE_COOKIE.

On filesystems without STATX_CHANGE_COOKIE enabled, revert back to
detecting file change based on i_version.

On filesystems which do not support either, assume the file changed.

Reported-by: Frederick Lawler <fred@cloudflare.com>
Fixes: db1d1e8b98 ("IMA: use vfs_getattr_nosec to get the i_version")
Cc: stable@vger.kernel.org
Reviewed-by: Frederick Lawler <fred@cloudflare.com>
Tested-by: Frederick Lawler <fred@cloudflare.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
2026-03-08 08:24:52 -04:00

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