general protection fault, probably for non-canonical address 0xf2c2115555555540: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x9610aaaaaaaaaa00-0x9610aaaaaaaaaa07] CPU: 1 PID: 3639 Comm: kworker/u5:4 Not tainted 5.16.0-rc6-next-20211223-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: hci3 hci_rx_work RIP: 0010:hci_inquiry_result_with_rssi_evt+0xb6/0x8e0 net/bluetooth/hci_event.c:4519 Code: 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 31 07 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 00 4c 89 e2 48 c1 ea 03 <0f> b6 04 02 4c 89 e2 83 e2 07 38 d0 7f 08 84 c0 0f 85 c8 06 00 00 RSP: 0018:ffffc9000294faf0 EFLAGS: 00010a03 RAX: dffffc0000000000 RBX: ffff888076b54000 RCX: 0000000000000000 RDX: 12c2155555555540 RSI: ffffffff8838ac06 RDI: ffff888076b54000 RBP: ffff88806249b80b R08: 0000000000000062 R09: 0000000000000000 R10: ffffffff883a928f R11: 0000000000000000 R12: 9610aaaaaaaaaa07 R13: ffff88802277c280 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5c3164c742 CR3: 0000000058a5d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hci_event_func net/bluetooth/hci_event.c:6838 [inline] hci_event_packet+0x7d5/0xe40 net/bluetooth/hci_event.c:6887 hci_rx_work+0x4fa/0xd30 net/bluetooth/hci_core.c:3817 process_one_work+0x9ac/0x1680 kernel/workqueue.c:2307 worker_thread+0x652/0x11c0 kernel/workqueue.c:2454 kthread+0x2e9/0x3a0 kernel/kthread.c:381 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hci_inquiry_result_with_rssi_evt+0xb6/0x8e0 net/bluetooth/hci_event.c:4519 Code: 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 31 07 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 00 4c 89 e2 48 c1 ea 03 <0f> b6 04 02 4c 89 e2 83 e2 07 38 d0 7f 08 84 c0 0f 85 c8 06 00 00 RSP: 0018:ffffc9000294faf0 EFLAGS: 00010a03 RAX: dffffc0000000000 RBX: ffff888076b54000 RCX: 0000000000000000 RDX: 12c2155555555540 RSI: ffffffff8838ac06 RDI: ffff888076b54000 RBP: ffff88806249b80b R08: 0000000000000062 R09: 0000000000000000 R10: ffffffff883a928f R11: 0000000000000000 R12: 9610aaaaaaaaaa07 R13: ffff88802277c280 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5c3164c742 CR3: 00000000229ab000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 7 bytes skipped: 0: 48 c1 ea 03 shr $0x3,%rdx 4: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 8: 0f 85 31 07 00 00 jne 0x73f e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 15: fc ff df 18: 4c 8b 65 00 mov 0x0(%rbp),%r12 1c: 4c 89 e2 mov %r12,%rdx 1f: 48 c1 ea 03 shr $0x3,%rdx * 23: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 27: 4c 89 e2 mov %r12,%rdx 2a: 83 e2 07 and $0x7,%edx 2d: 38 d0 cmp %dl,%al 2f: 7f 08 jg 0x39 31: 84 c0 test %al,%al 33: 0f 85 c8 06 00 00 jne 0x701