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BUG: KMSAN: uninit-value in io_req_cqe_overflow io_uring/io_uring.c:809 [inline]
BUG: KMSAN: uninit-value in __io_submit_flush_completions io_uring/io_uring.c:1520 [inline]
BUG: KMSAN: uninit-value in io_submit_flush_completions+0x880/0xcd0 io_uring/io_uring.c:173
 io_req_cqe_overflow io_uring/io_uring.c:809 [inline]
 __io_submit_flush_completions io_uring/io_uring.c:1520 [inline]
 io_submit_flush_completions+0x880/0xcd0 io_uring/io_uring.c:173
 io_submit_state_end io_uring/io_uring.c:2354 [inline]
 io_submit_sqes+0x2883/0x2e10 io_uring/io_uring.c:2465
 __do_sys_io_uring_enter io_uring/io_uring.c:3458 [inline]
 __se_sys_io_uring_enter+0x4ed/0x4300 io_uring/io_uring.c:3392
 __x64_sys_io_uring_enter+0x11b/0x1a0 io_uring/io_uring.c:3392
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Uninit was stored to memory at:
 io_req_set_res io_uring/io_uring.h:182 [inline]
 io_recv_finish io_uring/net.c:623 [inline]
 io_recv+0x19a1/0x1cf0 io_uring/net.c:928
 io_issue_sqe+0x39d/0x1050 io_uring/io_uring.c:1907
 io_queue_sqe io_uring/io_uring.c:2079 [inline]
 io_submit_sqe io_uring/io_uring.c:2340 [inline]
 io_submit_sqes+0x11e2/0x2e10 io_uring/io_uring.c:2450
 __do_sys_io_uring_enter io_uring/io_uring.c:3458 [inline]
 __se_sys_io_uring_enter+0x4ed/0x4300 io_uring/io_uring.c:3392
 __x64_sys_io_uring_enter+0x11b/0x1a0 io_uring/io_uring.c:3392
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Local variable msg created at:
 io_recv+0x4f/0x1cf0 io_uring/net.c:844
 io_issue_sqe+0x39d/0x1050 io_uring/io_uring.c:1907

CPU: 0 PID: 16954 Comm: syz-executor.5 Not tainted 6.3.0-rc7-syzkaller-g0255004d2a8e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
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