Description: iommufd: Fix protection fault in iommufd_test_syz_conv_iova
References:
Notes:
 carnil> Introduced in 9227da7816dd ("iommufd: Add iommufd_access_change_ioas(_id)
 carnil> helpers"). Vulnerable versions: 6.6-rc1.
Bugs:
upstream: released (6.8-rc7) [cf7c2789822db8b5efa34f5ebcf1621bc0008d48]
6.7-upstream-stable: released (6.7.9) [fc719ecbca45c9c046640d72baddba3d83e0bc0b]
6.6-upstream-stable: needed
6.1-upstream-stable: N/A "Vulnerable code not present"
5.10-upstream-stable: N/A "Vulnerable code not present"
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (6.7.9-1)
6.1-bookworm-security: N/A "Vulnerable code not present"
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"