Description: tomoyo: fix UAF write bug in tomoyo_write_control()
References:
Notes:
 carnil> Introduced in bd03a3e4c9a9 ("TOMOYO: Add policy namespace support.").
 carnil> Vulnerable versions: 3.1-rc1.
Bugs:
upstream: released (6.8-rc7) [2f03fc340cac9ea1dc63cbf8c93dd2eb0f227815]
6.7-upstream-stable: released (6.7.9) [6edefe1b6c29a9932f558a898968a9fcbeec5711]
6.6-upstream-stable: released (6.6.21) [2caa605079488da9601099fbda460cfc1702839f]
6.1-upstream-stable: released (6.1.81) [3bfe04c1273d30b866f4c7c238331ed3b08e5824]
5.10-upstream-stable: released (5.10.212) [a23ac1788e2c828c097119e9a3178f0b7e503fee]
4.19-upstream-stable: needed
sid: released (6.7.9-1)
6.1-bookworm-security: released (6.1.82-1)
5.10-bullseye-security: needed
4.19-buster-security: needed