=====================================================
BUG: KMSAN: uninit-value in __io_req_complete fs/io_uring.c:2610 [inline]
BUG: KMSAN: uninit-value in io_recvmsg fs/io_uring.c:6420 [inline]
BUG: KMSAN: uninit-value in io_issue_sqe+0x179fb/0x19760 fs/io_uring.c:8371
 __io_req_complete fs/io_uring.c:2610 [inline]
 io_recvmsg fs/io_uring.c:6420 [inline]
 io_issue_sqe+0x179fb/0x19760 fs/io_uring.c:8371
 io_wq_submit_work+0x617/0x7e0 fs/io_uring.c:8534
 io_worker_handle_work+0xd9f/0x2310 fs/io-wq.c:597
 io_wqe_worker+0x3ae/0x1480 fs/io-wq.c:644
 ret_from_fork+0x1f/0x30

Uninit was stored to memory at:
 io_setup_async_msg+0x1d7/0x420 fs/io_uring.c:6059
 io_issue_sqe+0x14675/0x19760
 io_queue_sqe fs/io_uring.c:8729 [inline]
 io_submit_sqe+0x8b22/0xa8b0 fs/io_uring.c:8993
 io_submit_sqes+0x542/0xd50 fs/io_uring.c:9104
 __do_sys_io_uring_enter fs/io_uring.c:12051 [inline]
 __se_sys_io_uring_enter+0x670/0x25c0 fs/io_uring.c:11977
 __x64_sys_io_uring_enter+0x117/0x190 fs/io_uring.c:11977
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Local variable iomsg.i410 created at:
 io_recvmsg fs/io_uring.c:6349 [inline]
 io_issue_sqe+0x1ae5/0x19760 fs/io_uring.c:8371
 io_queue_sqe fs/io_uring.c:8729 [inline]
 io_submit_sqe+0x8b22/0xa8b0 fs/io_uring.c:8993

CPU: 1 PID: 9632 Comm: iou-wrk-9630 Not tainted 5.19.0-syzkaller-32655-g1b070a5d1a2c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
=====================================================