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BUG: KMSAN: uninit-value in __io_fill_cqe_req+0x9bd/0xed0 fs/io_uring.c:2470
 __io_fill_cqe_req+0x9bd/0xed0 fs/io_uring.c:2470
 __io_submit_flush_completions fs/io_uring.c:3148 [inline]
 io_submit_flush_completions+0x175/0x420 fs/io_uring.c:1571
 io_submit_state_end fs/io_uring.c:8991 [inline]
 io_submit_sqes+0x7d3/0xd50 fs/io_uring.c:9103
 __do_sys_io_uring_enter fs/io_uring.c:12035 [inline]
 __se_sys_io_uring_enter+0x670/0x25c0 fs/io_uring.c:11961
 __x64_sys_io_uring_enter+0x117/0x190 fs/io_uring.c:11961
 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+0x46/0xb0

Uninit was stored to memory at:
 io_req_complete_state fs/io_uring.c:2588 [inline]
 __io_req_complete fs/io_uring.c:2596 [inline]
 io_recv fs/io_uring.c:6483 [inline]
 io_issue_sqe+0x16399/0x19720 fs/io_uring.c:8358
 io_queue_sqe fs/io_uring.c:8713 [inline]
 io_submit_sqe+0x89de/0xa770 fs/io_uring.c:8977
 io_submit_sqes+0x542/0xd50 fs/io_uring.c:9088
 __do_sys_io_uring_enter fs/io_uring.c:12035 [inline]
 __se_sys_io_uring_enter+0x670/0x25c0 fs/io_uring.c:11961
 __x64_sys_io_uring_enter+0x117/0x190 fs/io_uring.c:11961
 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+0x46/0xb0

Local variable msg.i453 created at:
 io_recv fs/io_uring.c:6414 [inline]
 io_issue_sqe+0x4947/0x19720 fs/io_uring.c:8358
 io_queue_sqe fs/io_uring.c:8713 [inline]
 io_submit_sqe+0x89de/0xa770 fs/io_uring.c:8977

CPU: 0 PID: 28003 Comm: syz-executor.4 Not tainted 5.19.0-rc4-syzkaller-31333-g97117d69c353 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
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