=====================================================
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

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: 9312 Comm: modprobe Not tainted 5.18.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
=====================================================
Kernel panic - not syncing: kmsan.panic set ...
CPU: 0 PID: 9312 Comm: modprobe Tainted: G    B             5.18.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1ff/0x28e lib/dump_stack.c:106
 dump_stack+0x25/0x28 lib/dump_stack.c:113
 panic+0x4fe/0xc73 kernel/panic.c:250
 kmsan_report+0x2cd/0x2d0 mm/kmsan/report.c:208
 __msan_warning+0x94/0x110 mm/kmsan/instrumentation.c:256
 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
RIP: 0033:0x7f89cb6d8931
Code: 41 89 d1 89 d1 41 81 e1 ff 7f 00 00 66 81 e1 ff 7f 44 39 cb 76 2e 0f b7 c9 81 e2 00 80 00 00 44 8b 08 48 8d 0c 49 48 8d 0c ce <89> 51 0c 8b 50 08 44 89 49 08 4c 01 c2 48 89 11 8b 57 04 4c 01 c2
RSP: 002b:00007fff89b06670 EFLAGS: 00010246
RAX: 00007f89cb3aa8c0 RBX: 0000000000000016 RCX: 00007f89cb3a5188
RDX: 0000000000000000 RSI: 00007f89cb3a4fc0 RDI: 00007f89cb3aa8b0
RBP: 0000000000000015 R08: 00007f89cb3a9000 R09: 0000000009691a75
R10: fffffffffffff72d R11: 00007f89cb4553e8 R12: 00007f89cb45ce9c
R13: 0000000000000015 R14: 00007f89cb6c69b0 R15: 00007f89cb6f19d0
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..