=====================================================
BUG: KMSAN: uninit-value in __io_req_complete fs/io_uring.c:2610 [inline]
BUG: KMSAN: uninit-value in io_recv fs/io_uring.c:6496 [inline]
BUG: KMSAN: uninit-value in io_issue_sqe+0x163a1/0x19760 fs/io_uring.c:8374
 __io_req_complete fs/io_uring.c:2610 [inline]
 io_recv fs/io_uring.c:6496 [inline]
 io_issue_sqe+0x163a1/0x19760 fs/io_uring.c:8374
 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

Local variable msg.i450 created at:
 io_recv fs/io_uring.c:6427 [inline]
 io_issue_sqe+0x4946/0x19760 fs/io_uring.c:8374
 io_wq_submit_work+0x617/0x7e0 fs/io_uring.c:8534

CPU: 0 PID: 28846 Comm: iou-wrk-28834 Not tainted 5.19.0-syzkaller-32655-g1b070a5d1a2c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
=====================================================
Kernel panic - not syncing: kmsan.panic set ...
CPU: 0 PID: 28846 Comm: iou-wrk-28834 Tainted: G    B             5.19.0-syzkaller-32655-g1b070a5d1a2c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1c8/0x256 lib/dump_stack.c:106
 dump_stack+0x1a/0x1c lib/dump_stack.c:113
 panic+0x4d3/0xc69 kernel/panic.c:274
 kmsan_report+0x2cc/0x2d0 mm/kmsan/report.c:208
 __msan_warning+0x92/0x110 mm/kmsan/instrumentation.c:292
 __io_req_complete fs/io_uring.c:2610 [inline]
 io_recv fs/io_uring.c:6496 [inline]
 io_issue_sqe+0x163a1/0x19760 fs/io_uring.c:8374
 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
RIP: 0023:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 002b:0000000000000000 EFLAGS: 00000296 ORIG_RAX: 00000000000001aa
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000002a71
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..