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BUG: KMSAN: uninit-value in do_page_fault+0x2e8/0x840 arch/x86/mm/fault.c:1552
CPU: 0 PID: 14182 Comm: syz-executor.3 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: 0023:0x80844c7
Code: 05 08 89 15 bc 6f 6b 08 85 c0 74 0c 83 ec 0c 51 e8 2e 72 fd ff 83 c4 10 8b 45 e4 85 c0 0f 85 48 01 00 00 8b 75 e0 31 db 31 c9 <66> 89 1d 0e 77 15 08 c7 05 f8 76 15 08 00 00 00 00 c7 05 fc 76 15
RSP: 002b:00000000ffd78ec0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000000000f2 RSI: 00000000ffd78ec0 RDI: 0000000000000000
RBP: 00000000ffd78f08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 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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