Bluetooth: hci2: command 0x0419 tx timeout Bluetooth: hci4: command 0x0419 tx timeout Bluetooth: hci5: command 0x0419 tx timeout BUG: unable to handle kernel paging request at fffffffffffffff0 PGD 906b067 P4D 906b067 PUD 906d067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 17000 Comm: syz-executor.2 Not tainted 4.18.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__read_once_size include/linux/compiler.h:188 [inline] RIP: 0010:list_empty include/linux/list.h:203 [inline] RIP: 0010:plist_del+0x8a/0x480 lib/plist.c:125 Code: 8b 73 18 49 39 f6 74 2f 49 8d 4e f0 48 b8 00 00 00 00 00 fc ff df 48 89 ca 49 89 cf 48 c1 ea 03 80 3c 02 00 0f 85 23 03 00 00 <49> 8b 46 f0 48 39 c1 0f 84 b9 01 00 00 4c 8d 73 10 4c 89 e7 e8 8d RSP: 0018:ffff88009e3bfaf8 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff8802352af1c0 RCX: fffffffffffffff0 RDX: 1ffffffffffffffe RSI: ffffffff891621e0 RDI: ffff8802352af1c0 RBP: ffff88009e3bfb30 R08: fffffbfff122c461 R09: fffffbfff122c460 R10: fffffbfff122c460 R11: ffffffff89162303 R12: ffff8802352af1c8 R13: ffff8802352af1d8 R14: 0000000000000000 R15: fffffffffffffff0 FS: 00007f95f6c40700(0000) GS:ffff8800ba700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffff0 CR3: 00000000a0b78000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pm_qos_update_target+0x11a/0x8d0 kernel/power/qos.c:288 pm_qos_remove_request kernel/power/qos.c:542 [inline] pm_qos_remove_request+0xfc/0x400 kernel/power/qos.c:528 snd_pcm_hw_free sound/core/pcm_native.c:817 [inline] snd_pcm_common_ioctl+0xaf5/0x1bd0 sound/core/pcm_native.c:2875 snd_pcm_ioctl+0x66/0xb0 sound/core/pcm_native.c:2954 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x196/0x1050 fs/ioctl.c:684 ksys_ioctl+0x62/0x90 fs/ioctl.c:701 __do_sys_ioctl fs/ioctl.c:708 [inline] __se_sys_ioctl fs/ioctl.c:706 [inline] __x64_sys_ioctl+0x6e/0xb0 fs/ioctl.c:706 do_syscall_64+0xda/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f95f6c40188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000000004112 RDI: 0000000000000004 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007fff5e6b544f R14: 00007f95f6c40300 R15: 0000000000022000 Modules linked in: CR2: fffffffffffffff0 ---[ end trace 546de72388483c1b ]--- RIP: 0010:__read_once_size include/linux/compiler.h:188 [inline] RIP: 0010:list_empty include/linux/list.h:203 [inline] RIP: 0010:plist_del+0x8a/0x480 lib/plist.c:125 Code: 8b 73 18 49 39 f6 74 2f 49 8d 4e f0 48 b8 00 00 00 00 00 fc ff df 48 89 ca 49 89 cf 48 c1 ea 03 80 3c 02 00 0f 85 23 03 00 00 <49> 8b 46 f0 48 39 c1 0f 84 b9 01 00 00 4c 8d 73 10 4c 89 e7 e8 8d RSP: 0018:ffff88009e3bfaf8 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff8802352af1c0 RCX: fffffffffffffff0 RDX: 1ffffffffffffffe RSI: ffffffff891621e0 RDI: ffff8802352af1c0 RBP: ffff88009e3bfb30 R08: fffffbfff122c461 R09: fffffbfff122c460 R10: fffffbfff122c460 R11: ffffffff89162303 R12: ffff8802352af1c8 R13: ffff8802352af1d8 R14: 0000000000000000 R15: fffffffffffffff0 FS: 00007f95f6c40700(0000) GS:ffff8800ba700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffff0 CR3: 00000000a0b78000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400