Description: io_uring: fix uninitialized field in rw io_kiocb
References:
Notes:
 carnil> Commit fixes 3e08773c3841 ("block: switch polling to be bio
 carnil> based") in 5.16-rc1.
 carnil> For 5.17.y fixed as well in 5.17.6.
Bugs:
upstream: released (5.18-rc5) [32452a3eb8b64e01e2be717f518c0be046975b9d]
5.10-upstream-stable: N/A "Vulnerable code introduced later"
4.19-upstream-stable: N/A "Vulnerable code introduced later"
4.9-upstream-stable: N/A "Vulnerable code introduced later"
sid: released (5.17.6-1)
5.10-bullseye-security: N/A "Vulnerable code introduced later"
4.19-buster-security: N/A "Vulnerable code introduced later"
4.9-stretch-security: N/A "Vulnerable code introduced later"