general protection fault, probably for non-canonical address 0xdffffc0000000072: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000390-0x0000000000000397] CPU: 0 PID: 3659 Comm: kworker/u5:4 Not tainted 5.16.0-rc4-next-20211210-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: hci10 hci_cmd_work RIP: 0010:__pm_runtime_resume+0x45/0x170 drivers/base/power/runtime.c:1103 Code: 44 89 ee e8 ed 29 f6 fc 45 85 ed 75 4e e8 c3 27 f6 fc 48 8d bd 91 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 03 01 00 00 RSP: 0018:ffffc90002a8fc20 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff88801ce87000 RCX: 0000000000000000 RDX: 0000000000000072 RSI: ffffffff8481d3bd RDI: 0000000000000391 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffa0a57 R10: ffffffff8481d3b3 R11: 0000000000000010 R12: 0000000000000004 R13: 0000000000000000 R14: ffff88801ce87190 R15: ffff88801ce87128 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c01f9a8000 CR3: 000000002260c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pm_runtime_get_sync include/linux/pm_runtime.h:393 [inline] h5_enqueue+0x175/0x380 drivers/bluetooth/hci_h5.c:632 hci_uart_send_frame+0x1ee/0x6b0 drivers/bluetooth/hci_ldisc.c:286 hci_send_frame+0x1c0/0x370 net/bluetooth/hci_core.c:2941 hci_cmd_work+0x202/0x3c0 net/bluetooth/hci_core.c:3860 process_one_work+0x9ac/0x1680 kernel/workqueue.c:2307 worker_thread+0x652/0x11c0 kernel/workqueue.c:2454 kthread+0x405/0x4f0 kernel/kthread.c:345 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 0e05702a31e1f007 ]--- RIP: 0010:__pm_runtime_resume+0x45/0x170 drivers/base/power/runtime.c:1103 Code: 44 89 ee e8 ed 29 f6 fc 45 85 ed 75 4e e8 c3 27 f6 fc 48 8d bd 91 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 03 01 00 00 RSP: 0018:ffffc90002a8fc20 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff88801ce87000 RCX: 0000000000000000 RDX: 0000000000000072 RSI: ffffffff8481d3bd RDI: 0000000000000391 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffa0a57 R10: ffffffff8481d3b3 R11: 0000000000000010 R12: 0000000000000004 R13: 0000000000000000 R14: ffff88801ce87190 R15: ffff88801ce87128 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c01f9a8000 CR3: 0000000015d74000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 44 89 ee mov %r13d,%esi 3: e8 ed 29 f6 fc callq 0xfcf629f5 8: 45 85 ed test %r13d,%r13d b: 75 4e jne 0x5b d: e8 c3 27 f6 fc callq 0xfcf627d5 12: 48 8d bd 91 03 00 00 lea 0x391(%rbp),%rdi 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 48 89 fa mov %rdi,%rdx 31: 83 e2 07 and $0x7,%edx 34: 38 d0 cmp %dl,%al 36: 7f 08 jg 0x40 38: 84 c0 test %al,%al 3a: 0f 85 03 01 00 00 jne 0x143