BUG: kernel NULL pointer dereference, address: 00000000000008bd #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 800000007c306067 P4D 800000007c306067 PUD 7bbbb067 PMD 0 Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 5376 Comm: syz.0.20 Not tainted 6.11.0-rc4-next-20240820-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:0x8bd Code: Unable to access opcode bytes at 0x893. RSP: 0018:ffffc900048c72f8 EFLAGS: 00010046 RAX: c894ee6d02c79200 RBX: ffff888015880400 RCX: 1ffff92000918e4c RDX: ffffc90004519000 RSI: 0000000000010d40 RDI: 0000000000010d41 RBP: ffffc900048c74c8 R08: ffffffff81968252 R09: fffff52000918e50 R10: dffffc0000000000 R11: fffff52000918e50 R12: 1ffff92000918e74 R13: dffffc0000000000 R14: 0000000000000008 R15: 0000000000000010 FS: 00007f0acd4df6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000008bd CR3: 000000002ecd6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x5ed/0x8c0 arch/x86/mm/fault.c:1539 Modules linked in: CR2: 00000000000008bd ---[ end trace 0000000000000000 ]--- RIP: 0010:0x8bd Code: Unable to access opcode bytes at 0x893. RSP: 0018:ffffc900048c72f8 EFLAGS: 00010046 RAX: c894ee6d02c79200 RBX: ffff888015880400 RCX: 1ffff92000918e4c RDX: ffffc90004519000 RSI: 0000000000010d40 RDI: 0000000000010d41 RBP: ffffc900048c74c8 R08: ffffffff81968252 R09: fffff52000918e50 R10: dffffc0000000000 R11: fffff52000918e50 R12: 1ffff92000918e74 R13: dffffc0000000000 R14: 0000000000000008 R15: 0000000000000010 FS: 00007f0acd4df6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000008bd CR3: 000000002ecd6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400