=====================================================
BUG: KMSAN: uninit-value in do_user_addr_fault+0x860/0x1f20 arch/x86/mm/fault.c:1341
 do_user_addr_fault+0x860/0x1f20 arch/x86/mm/fault.c:1341
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x61/0x140 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x1e/0x30
 __get_user_4+0x1c/0x30
 __do_compat_sys_io_submit fs/aio.c:2104 [inline]
 __se_compat_sys_io_submit fs/aio.c:2093 [inline]
 __ia32_compat_sys_io_submit+0x135/0x8d0 fs/aio.c:2093
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x96/0xf0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x34/0x70 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c

Local variable regs created at:
 __bpf_prog_run32+0x84/0x180 kernel/bpf/core.c:2073
 bpf_dispatcher_nop_func include/linux/bpf.h:804 [inline]
 __bpf_prog_run include/linux/filter.h:628 [inline]
 bpf_prog_run include/linux/filter.h:635 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2022 [inline]
 bpf_trace_run2+0x129/0x380 kernel/trace/bpf_trace.c:2059

CPU: 0 PID: 9255 Comm: syz-executor.4 Not tainted 5.18.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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