Restarting kernel threads ... done. audit: type=1326 audit(1667739325.506:11): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4221 comm="syz-executor.6" exe="/syz-executor.6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fd80ef0eb19 code=0x0 BUG: unable to handle page fault for address: fffffbc067bb1e06 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 6dfd0067 P4D 6dfd0067 PUD 6de44067 PMD 6de43067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 PID: 4244 Comm: syz-executor.6 Not tainted 6.1.0-rc3-next-20221104 #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:ffff888015aafbf8 EFLAGS: 00010216 RAX: 1fffffc067bb1e06 RBX: fffffe033dd8f030 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006 RBP: ffff888015aafcb8 R08: 0000000000000006 R09: 000000000000007f R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff11002b55f7f R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f FS: 00007fd80c463700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbc067bb1e06 CR3: 000000000de7e000 CR4: 0000000000350ef4 Call Trace: insn_get_code_seg_params+0xa7/0x1a0 insn_decode_from_regs+0x6e/0x190 fixup_umip_exception+0xc7/0x6d0 exc_general_protection+0x15d/0x210 asm_exc_general_protection+0x22/0x30 RIP: 0033:0x7fff0af92942 Code: 83 08 00 00 0f 84 b5 00 00 00 4c 63 d7 49 c1 e2 04 4d 01 ca 45 8b 19 41 f6 c3 01 0f 85 8d 00 00 00 41 8b 41 04 83 f8 01 75 6f <0f> 01 f9 66 90 48 c1 e2 20 48 09 c2 48 85 d2 78 63 49 8b 49 08 49 RSP: 002b:00007fd80c463150 EFLAGS: 00010246 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000002 RSI: 00007fd80c4631f0 RDI: 0000000000000001 RBP: 00007fd80c463170 R08: 0000000000000000 R09: 00007fff0af8e080 R10: 00007fff0af8e090 R11: 000000000005def0 R12: 00007fd80c4631f0 R13: 00007fff0aef32ff R14: 00007fd80c463300 R15: 0000000000022000 Modules linked in: CR2: fffffbc067bb1e06 ---[ 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:ffff888015aafbf8 EFLAGS: 00010216 RAX: 1fffffc067bb1e06 RBX: fffffe033dd8f030 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000006 RBP: ffff888015aafcb8 R08: 0000000000000006 R09: 000000000000007f R10: 0000000000000030 R11: 0000000000000001 R12: 1ffff11002b55f7f R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000007f FS: 00007fd80c463700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbc067bb1e06 CR3: 000000000de7e000 CR4: 0000000000350ef4 Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 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