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BUG: KMSAN: uninit-value in do_page_fault+0x2e8/0x840 arch/x86/mm/fault.c:1552
CPU: 1 PID: 14767 Comm: syz-executor.0 Not tainted 5.7.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x220 lib/dump_stack.c:118
 kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121
 __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215
 do_page_fault+0x2e8/0x840 arch/x86/mm/fault.c:1552
 page_fault+0x4e/0x60 arch/x86/entry/entry_64.S:1213
RIP: 0023:0x804b5fe
Code: 68 01 76 0d 08 e8 92 fd ff ff 66 90 53 83 ec 08 8b 0d 90 3a 6b 08 8b 15 8c 3a 6b 08 39 ca 8d 99 00 00 00 01 72 15 39 da 73 11 <89> 02 8d 42 04 a3 8c 3a 6b 08 83 c4 08 89 d0 5b c3 53 51 52 68 f8
RSP: 002b:00000000ff8372e0 EFLAGS: 00010287
RAX: 0000000000000000 RBX: 000000002dd20000 RCX: 000000002cd20000
RDX: 000000002cd20000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000

Local variable ----regs@__bpf_prog_run32 created at:
 __bpf_prog_run32+0x87/0x170 kernel/bpf/core.c:1681
 __bpf_prog_run32+0x87/0x170 kernel/bpf/core.c:1681
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