Bluetooth: hci0 command 0x041b tx timeout Bluetooth: hci0 command 0x040f tx timeout Bluetooth: hci0 command 0x0419 tx timeout kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 9876 Comm: syz-executor.0 Not tainted 4.14.196-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88809b7d8140 task.stack: ffff8880969a0000 RIP: 0010:file_tty drivers/tty/tty_io.c:179 [inline] RIP: 0010:__tty_fasync drivers/tty/tty_io.c:2109 [inline] RIP: 0010:tty_release+0xf0/0xe20 drivers/tty/tty_io.c:1655 RSP: 0018:ffff8880969a7d80 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff88809825d5e0 RBP: ffff88809825d180 R08: ffffffff8a0a19e8 R09: 0000000000000001 R10: 0000000000000000 R11: ffff88809b7d8140 R12: ffff8880a403a638 R13: ffff8880942cc87c R14: ffffffff83429070 R15: ffff8880a695b000 FS: 00007f9d3d233700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000095dfa000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x11f/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45d5b9 RSP: 002b:00007f9d3d232c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: 0000000000000000 RBX: 0000000000002ac0 RCX: 000000000045d5b9 RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 000000000118cf88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000140 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffc82f2b39f R14: 00007f9d3d2339c0 R15: 000000000118cf4c Code: df 48 c1 ea 03 80 3c 02 00 0f 85 10 0c 00 00 48 8b 04 24 48 8b 98 90 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 ab 0b 00 00 48 8b 04 24 48 8b 1b 48 8d 78 20 RIP: file_tty drivers/tty/tty_io.c:179 [inline] RSP: ffff8880969a7d80 RIP: __tty_fasync drivers/tty/tty_io.c:2109 [inline] RSP: ffff8880969a7d80 RIP: tty_release+0xf0/0xe20 drivers/tty/tty_io.c:1655 RSP: ffff8880969a7d80 ---[ end trace c6942c377e80e8d8 ]---