BUG: unable to handle page fault for address: fffffbc5548d8e06 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 6dfd0067 P4D 6dfd0067 PUD 6d1fb067 PMD 6d1fa067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 7074 Comm: syz-executor.7 Not tainted 6.1.0-rc4-next-20221111 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:get_desc+0x128/0x460 Code: e2 02 00 00 83 e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 0f 85 cd 02 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 d8 48 c1 e8 03 <0f> b6 0c 10 48 8d 43 07 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 de RSP: 0000:ffff888033057bf8 EFLAGS: 00010216 RAX: 1fffffc5548d8e06 RBX: fffffe2aa46c7030 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006 RBP: ffff888033057cb8 R08: 0000000000000006 R09: 000000000000007f R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff1100660af7f R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f FS: 00007fee6bf1f700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbc5548d8e06 CR3: 000000001e7d4000 CR4: 0000000000350ee0 Call Trace: insn_get_code_seg_params+0xab/0x1b0 insn_decode_from_regs+0x72/0x190 fixup_umip_exception+0xcb/0x6d0 exc_general_protection+0x161/0x220 asm_exc_general_protection+0x26/0x30 RIP: 0033:0x7fee6e9ba970 Code: 66 0f ef c0 66 0f ef c9 66 0f ef d2 66 0f ef db 48 89 f8 48 89 f9 48 81 e1 ff 0f 00 00 48 81 f9 cf 0f 00 00 77 74 48 83 e0 f0 <66> 0f 74 00 66 0f 74 48 10 66 0f 74 50 20 66 0f 74 58 30 66 0f d7 RSP: 002b:00007fee6bf1e0b8 EFLAGS: 00010286 RAX: 9999999999999990 RBX: 00007fee6bf1e174 RCX: 0000000000000999 RDX: 9999999999999999 RSI: 99999999999999a8 RDI: 9999999999999999 RBP: 00007fee6bf1e110 R08: 0000000000000000 R09: 0000000000000000 R10: 9999999999999980 R11: 99999999999999a8 R12: 9999999999999999 R13: 0000000000000007 R14: 0000000000000001 R15: 0000000000022000 Modules linked in: CR2: fffffbc5548d8e06 ---[ end trace 0000000000000000 ]--- RIP: 0010:get_desc+0x128/0x460 Code: e2 02 00 00 83 e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 0f 85 cd 02 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 d8 48 c1 e8 03 <0f> b6 0c 10 48 8d 43 07 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 de RSP: 0000:ffff888033057bf8 EFLAGS: 00010216 RAX: 1fffffc5548d8e06 RBX: fffffe2aa46c7030 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006 RBP: ffff888033057cb8 R08: 0000000000000006 R09: 000000000000007f R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff1100660af7f R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f FS: 00007fee6bf1f700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbc5548d8e06 CR3: 000000001e7d4000 CR4: 0000000000350ee0 Bluetooth: hci3: Opcode 0x c03 failed: -110 Bluetooth: hci1: Opcode 0x c03 failed: -110 Bluetooth: hci6: Opcode 0x c03 failed: -110 Bluetooth: hci5: Opcode 0x c03 failed: -110 Bluetooth: hci4: command 0x0409 tx timeout Bluetooth: hci7: command 0x0409 tx timeout Bluetooth: hci7: command 0x041b tx timeout Bluetooth: hci4: command 0x041b tx timeout Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 Bluetooth: hci1: HCI_REQ-0x0c1a Bluetooth: hci4: command 0x040f tx timeout Bluetooth: hci7: command 0x040f tx timeout Bluetooth: hci0: Opcode 0x c03 failed: -110 Bluetooth: hci1: command 0x0409 tx timeout Bluetooth: hci3: Opcode 0x c03 failed: -110 Bluetooth: hci6: Opcode 0x c03 failed: -110 Bluetooth: hci5: Opcode 0x c03 failed: -110 Bluetooth: hci7: command 0x0419 tx timeout Bluetooth: hci4: command 0x0419 tx timeout Bluetooth: hci1: command 0x041b tx timeout Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 Bluetooth: hci6: HCI_REQ-0x0c1a Bluetooth: hci5: HCI_REQ-0x0c1a Bluetooth: hci0: Opcode 0x c03 failed: -110 Bluetooth: hci1: command 0x040f tx timeout Bluetooth: hci3: Opcode 0x c03 failed: -110 Bluetooth: hci6: command 0x0409 tx timeout Bluetooth: hci5: command 0x0409 tx timeout ---------------- Code disassembly (best guess): 0: e2 02 loop 0x4 2: 00 00 add %al,(%rax) 4: 83 e0 07 and $0x7,%eax 7: 38 c2 cmp %al,%dl 9: 0f 9e c1 setle %cl c: 84 d2 test %dl,%dl e: 0f 95 c0 setne %al 11: 84 c1 test %al,%cl 13: 0f 85 cd 02 00 00 jne 0x2e6 19: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 20: fc ff df 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 0f b6 0c 10 movzbl (%rax,%rdx,1),%ecx <-- trapping instruction 2e: 48 8d 43 07 lea 0x7(%rbx),%rax 32: 48 89 c6 mov %rax,%rsi 35: 48 c1 ee 03 shr $0x3,%rsi 39: 0f b6 14 16 movzbl (%rsi,%rdx,1),%edx 3d: 48 89 de mov %rbx,%rsi