BUG: kernel NULL pointer dereference, address: 0000000000000086 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 1e594b067 P4D 1e594b067 PUD 1e51a1067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 1 PID: 1331 Comm: syz.4.413 Not tainted 5.4.276-syzkaller-00021-g58de09405d1e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:0x86 Code: Bad RIP value. RSP: 0018:ffff8881e4c3f308 EFLAGS: 00010086 RAX: ffff8881e4c3f338 RBX: dffffc0000000000 RCX: 0000000000040000 RDX: ffffc90001d4c000 RSI: 0000000000012e85 RDI: 0000000000012e86 RBP: 0000000000000220 R08: ffffffff82316961 R09: ffffffff811c8ff5 R10: ffff8881e9733f00 R11: 0000000000000002 R12: ffffffff84600200 R13: fffffe0000000228 R14: ffff8881d2d50000 R15: fffffe000000022b FS: 00007fa12dd8f6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000005c CR3: 00000001d9c8c000 CR4: 00000000003426a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: Modules linked in: CR2: 0000000000000086 ---[ end trace e049ca551b064bcc ]--- RIP: 0010:0x86 Code: Bad RIP value. RSP: 0018:ffff8881e4c3f308 EFLAGS: 00010086 RAX: ffff8881e4c3f338 RBX: dffffc0000000000 RCX: 0000000000040000 RDX: ffffc90001d4c000 RSI: 0000000000012e85 RDI: 0000000000012e86 RBP: 0000000000000220 R08: ffffffff82316961 R09: ffffffff811c8ff5 R10: ffff8881e9733f00 R11: 0000000000000002 R12: ffffffff84600200 R13: fffffe0000000228 R14: ffff8881d2d50000 R15: fffffe000000022b FS: 00007fa12dd8f6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000005c CR3: 00000001d9c8c000 CR4: 00000000003426a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400