Description: nilfs2: fix potential use after free in nilfs_gccache_submit_read_data()
References:
Notes:
 carnil> Introduced in a3d93f709e89 ("nilfs2: block cache for garbage collection").
 carnil> Vulnerable versions: 2.6.30-rc1.
Bugs:
upstream: released (6.6-rc4) [7ee29facd8a9c5a26079148e36bcf07141b3a6bc]
6.7-upstream-stable: N/A "Fixed before branching point"
6.6-upstream-stable: N/A "Fixed before branching point"
6.1-upstream-stable: released (6.1.56) [980663f1d189eedafd18d80053d9cf3e2ceb5c8c]
5.10-upstream-stable: released (5.10.198) [7130a87ca32396eb9bf48b71a2d42259ae44c6c7]
4.19-upstream-stable: released (4.19.296) [bb61224f6abc8e71bfdf06d7c984e23460875f5b]
sid: released (6.5.6-1)
6.1-bookworm-security: released (6.1.64-1)
5.10-bullseye-security: released (5.10.205-1)
4.19-buster-security: released (4.19.304-1)