Description: net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn()
References:
Notes:
 carnil> Introduced in 8f50020ed9b8 ("NFC: LLCP late binding"). Vulnerable versions:
 carnil> 3.6-rc1.
Bugs:
upstream: released (6.6-rc6) [31c07dffafce914c1d1543c135382a11ff058d93]
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 (6.1.59) [e4f2611f07c87b3ddb57c4b9e8efcd1e330fc3dc]
5.10-upstream-stable: released (5.10.199) [6ac22ecdaad2ecc662048f8c6b0ceb1ca0699ef9]
4.19-upstream-stable: released (4.19.297) [e863f5720a5680e50c4cecf12424d7cc31b3eb0a]
sid: released (6.5.8-1)
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)