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: 0 PID: 12181 Comm: syz-executor.0 Not tainted 4.14.195-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880831f0100 task.stack: ffff8880930d0000 RIP: 0010:locks_inode include/linux/fs.h:1060 [inline] RIP: 0010:locks_remove_file+0x86/0x420 fs/locks.c:2563 RSP: 0018:ffff8880930d7af0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: fffffbfff14b4b80 RDX: 000000000000000b RSI: 0000000000000001 RDI: 0000000000000058 RBP: ffff88808ed3d780 R08: ffff8880831f0100 R09: dffffc0000000000 R10: 0000000000000000 R11: ffff8880831f0100 R12: ffff88808ed3d918 R13: ffff88808ed3d7fc R14: ffff88821984c870 R15: ffff88808ed3d790 FS: 00007ffbd2d0a700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005582ccc50970 CR3: 000000009748c000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __fput+0x1ca/0x7a0 fs/file_table.c:202 task_work_run+0x11f/0x190 kernel/task_work.c:113 get_signal+0x18a3/0x1ca0 kernel/signal.c:2234 do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160 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:00007ffbd2d09c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: 0000000000000000 RBX: 0000000000002ac0 RCX: 000000000045d5b9 RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000005 RBP: 000000000118d028 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000246 R12: 000000000118cfec R13: 00007ffc878d926f R14: 00007ffbd2d0a9c0 R15: 000000000118cfec Code: 18 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 83 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5d 18 48 8d 7b 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 56 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 RIP: locks_inode include/linux/fs.h:1060 [inline] RSP: ffff8880930d7af0 RIP: locks_remove_file+0x86/0x420 fs/locks.c:2563 RSP: ffff8880930d7af0 ---[ end trace 10db2b5a3e432bfa ]---