SELinux: unrecognized netlink message: protocol=6 nlmsg_type=29231 sclass=netlink_xfrm_socket pig=31770 comm=syz-executor.5 Bluetooth: hci0: command 0xfc11 tx timeout Bluetooth: hci0: Entering manufacturer mode failed (-110) INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 0 PID: 1169 Comm: kworker/u5:0 Not tainted 4.19.85-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: hci0 hci_cmd_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 assign_lock_key kernel/locking/lockdep.c:727 [inline] register_lock_class+0x19b5/0x1cf0 kernel/locking/lockdep.c:753 __lock_acquire+0x154/0x49c0 kernel/locking/lockdep.c:3299 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] hci_uart_send_frame+0x85/0x470 drivers/bluetooth/hci_ldisc.c:287 hci_send_frame+0x1b0/0x2c0 net/bluetooth/hci_core.c:3475 hci_cmd_work+0x165/0x2a0 net/bluetooth/hci_core.c:4393 process_one_work+0x989/0x1750 kernel/workqueue.c:2153 worker_thread+0x98/0xe40 kernel/workqueue.c:2296 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 kobject: 'loop4' (00000000b33a747d): kobject_uevent_env kobject: 'loop4' (00000000b33a747d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000ff81558d): kobject_uevent_env kobject: 'loop1' (00000000ff81558d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000004a781b7a): kobject_uevent_env kasan: CONFIG_KASAN_INLINE enabled kobject: 'loop3' (000000004a781b7a): fill_kobj_path: path = '/devices/virtual/block/loop3' kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 31625 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 kobject: 'loop0' (0000000032714457): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__wake_up_common+0xdf/0x610 kernel/sched/wait.c:85 Code: 05 00 00 4c 8b 43 38 49 83 e8 18 49 8d 78 18 48 39 7d d0 0f 84 64 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 0b 05 00 00 49 8b 40 18 89 55 b0 31 db 49 bc 00 RSP: 0018:ffff8880173d76e8 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff8880a7ab2db8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 1ffffffff1161ccc RDI: 0000000000000000 RBP: ffff8880173d7740 R08: ffffffffffffffe8 R09: ffff8880173d7798 R10: ffffed1014f565b7 R11: ffff8880a7ab2dbb R12: 0000000000000000 kobject: 'loop0' (0000000032714457): fill_kobj_path: path = '/devices/virtual/block/loop0' R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f06425e1700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000711158 CR3: 0000000087597000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __wake_up_common_lock+0xe9/0x190 kernel/sched/wait.c:121 __wake_up+0xe/0x10 kernel/sched/wait.c:145 rcu_sync_enter+0x1c7/0x310 kernel/rcu/sync.c:133 percpu_down_write+0x61/0x437 kernel/locking/percpu-rwsem.c:143 hci_uart_tty_close+0x13a/0x250 drivers/bluetooth/hci_ldisc.c:544 tty_ldisc_close.isra.0+0xaf/0xe0 drivers/tty/tty_ldisc.c:486 tty_ldisc_kill+0x4b/0xc0 drivers/tty/tty_ldisc.c:632 tty_ldisc_release+0xc6/0x280 drivers/tty/tty_ldisc.c:799 tty_release_struct+0x1b/0x50 drivers/tty/tty_io.c:1611 tty_release+0xbcb/0xe90 drivers/tty/tty_io.c:1784 __fput+0x2dd/0x8b0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x145/0x1c0 kernel/task_work.c:113 get_signal+0x1baa/0x1fc0 kernel/signal.c:2389 do_signal+0x95/0x1960 arch/x86/kernel/signal.c:821 exit_to_usermode_loop+0x244/0x2c0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a639 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f06425e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000045a639 RDX: 0000000000000009 RSI: 00000000400455c8 RDI: 000000000000000d RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f06425e16d4 R13: 00000000004c3634 R14: 00000000004d77e8 R15: 00000000ffffffff Modules linked in: ---[ end trace 061c6f45dc03d06d ]--- RIP: 0010:__wake_up_common+0xdf/0x610 kernel/sched/wait.c:85 Code: 05 00 00 4c 8b 43 38 49 83 e8 18 49 8d 78 18 48 39 7d d0 0f 84 64 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 0b 05 00 00 49 8b 40 18 89 55 b0 31 db 49 bc 00 RSP: 0018:ffff8880173d76e8 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff8880a7ab2db8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 1ffffffff1161ccc RDI: 0000000000000000 RBP: ffff8880173d7740 R08: ffffffffffffffe8 R09: ffff8880173d7798 R10: ffffed1014f565b7 R11: ffff8880a7ab2dbb R12: 0000000000000000 R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f06425e1700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000711158 CR3: 0000000087597000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400