BUG: kernel NULL pointer dereference, address: 0000000000000086 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 1dc0e1067 P4D 1dc0e1067 PUD 1dc0e2067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 1 PID: 356 Comm: syz-executor181 Not tainted 5.4.268-syzkaller-00011-g47710d1d3563 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:0x86 Code: Bad RIP value. RSP: 0018:ffff8881dc1ff308 EFLAGS: 00010086 RAX: ffff8881dc1ff338 RBX: dffffc0000000000 RCX: ffff8881dc0b0fc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000270 R08: ffffffff82315341 R09: ffffffff811c9085 R10: ffff8881dc0b0fc0 R11: 0000000000000002 R12: ffffffff84600228 R13: fffffe0000000278 R14: ffff8881dc280000 R15: fffffe000000027b FS: 0000555555570380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000005c CR3: 00000001dc0d0000 CR4: 00000000003426a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: Modules linked in: CR2: 0000000000000086 ---[ end trace 31db843a39727d11 ]--- RIP: 0010:0x86 Code: Bad RIP value. RSP: 0018:ffff8881dc1ff308 EFLAGS: 00010086 RAX: ffff8881dc1ff338 RBX: dffffc0000000000 RCX: ffff8881dc0b0fc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000270 R08: ffffffff82315341 R09: ffffffff811c9085 R10: ffff8881dc0b0fc0 R11: 0000000000000002 R12: ffffffff84600228 R13: fffffe0000000278 R14: ffff8881dc280000 R15: fffffe000000027b FS: 0000555555570380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000005c CR3: 00000001dc0d0000 CR4: 00000000003426a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400