CVE-2022-50363 skmsg: pass gfp argument to alloc_sk_msg()

In the Linux kernel, the following vulnerability has been resolved: skmsg: pass gfp argument to allocskmsg syzbot found that allocskmsg could be called from a non sleepable context. skpsockverdictrecv uses rcureadlock protection. We need the callers to pass a gfpt argument to avoid issues. syzbot...

UBUNTU-CVE-2022-49973

In the Linux kernel, the following vulnerability has been resolved: skmsg: Fix wrong last sg check in skmsgrecvmsg Fix one kernel NULL pointer dereference as below: 224.462334 Call Trace: 224.462394 tcpbpfrecvmsg+0xd3/0x380 224.462441 ? sockhasperm+0x78/0xa0 224.462463 tcpbpfrecvmsg+0x12e/0x220...