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: 45 Comm: kworker/u5:0 Not tainted 5.17.0-rc7-syzkaller-00060-g92f90cc9fe0e-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: hci0 hci_cmd_work RIP: 0010:__pm_runtime_resume+0x45/0x170 drivers/base/power/runtime.c:1126 Code: 44 89 ee e8 2d af 02 fd 45 85 ed 75 4e e8 a3 ab 02 fd 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:ffffc9000115fc28 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: ffff888021a7e000 RCX: 0000000000000000 RDX: 0000000000000072 RSI: ffffffff8476148d RDI: 0000000000000391 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffc4a7f R10: ffffffff84761483 R11: 000000000000000c R12: 0000000000000004 R13: 0000000000000000 R14: ffff888021a7e190 R15: ffff888021a7e128 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555c48214048 CR3: 000000007e914000 CR4: 0000000000350ef0 Call Trace: pm_runtime_get_sync include/linux/pm_runtime.h:420 [inline] h5_enqueue+0x175/0x390 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:2942 hci_cmd_work+0x204/0x3c0 net/bluetooth/hci_core.c:3861 process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307 worker_thread+0x657/0x1110 kernel/workqueue.c:2454 kthread+0x2e9/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__pm_runtime_resume+0x45/0x170 drivers/base/power/runtime.c:1126 Code: 44 89 ee e8 2d af 02 fd 45 85 ed 75 4e e8 a3 ab 02 fd 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:ffffc9000115fc28 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: ffff888021a7e000 RCX: 0000000000000000 RDX: 0000000000000072 RSI: ffffffff8476148d RDI: 0000000000000391 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffc4a7f R10: ffffffff84761483 R11: 000000000000000c R12: 0000000000000004 R13: 0000000000000000 R14: ffff888021a7e190 R15: ffff888021a7e128 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcda3cf0718 CR3: 0000000021ecd000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: 44 89 ee mov %r13d,%esi 3: e8 2d af 02 fd callq 0xfd02af35 8: 45 85 ed test %r13d,%r13d b: 75 4e jne 0x5b d: e8 a3 ab 02 fd callq 0xfd02abb5 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