=====================================================
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: 5964 Comm: udevd 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: 5964 Comm: udevd 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: 0033:0x7f7d47f03160
Code: 00 8b 05 03 47 0f 00 85 c0 0f 85 2b 01 00 00 85 ed 0f 85 b3 00 00 00 48 8b 05 6c 1c 0f 00 66 0f ef c0 44 89 e6 bf 01 00 00 00 <0f> 11 80 98 09 00 00 48 c7 80 a8 09 00 00 00 00 00 00 c7 80 98 09
RSP: 002b:00007ffc5508a050 EFLAGS: 00010246
RAX: 00007f7d4837c000 RBX: 0000556d3a3b9470 RCX: 00007f7d47dea673
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000556d3a3a3910
R10: 00007f7d48299b10 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000556d3a3a3910
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..