Description: ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry
References:
Notes:
 carnil> Introduced in c5b2cbdbdac563 ("ipc/mqueue.c: update/document memory barriers")
 carnil> 8116b54e7e23ef ("ipc/sem.c: document and update memory barriers")
 carnil> 0d97a82ba830d8 ("ipc/msg.c: update and document memory barriers"). Vulnerable
 carnil> versions: 5.6-rc1.
Bugs:
upstream: released (5.13-rc3) [a11ddb37bf367e6b5239b95ca759e5389bb46048]
6.7-upstream-stable: N/A "Fixed before branching point"
6.6-upstream-stable: N/A "Fixed before branching point"
6.1-upstream-stable: N/A "Fixed before branching point"
5.10-upstream-stable: released (5.10.40) [4528c0c323085e645b8765913b4a7fd42cf49b65]
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (5.10.40-1)
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: N/A "Fixed before branching point"
4.19-buster-security: N/A "Vulnerable code not present"