Bluetooth: Invalid header checksum Bluetooth: Invalid header checksum Bluetooth: Invalid header checksum Bluetooth: Invalid header checksum Bluetooth: Invalid header checksum INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 8945 Comm: syz-executor.1 Not tainted 4.19.72 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 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:3900 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] hci_uart_flush+0x110/0x3f0 drivers/bluetooth/hci_ldisc.c:248 hci_uart_close drivers/bluetooth/hci_ldisc.c:274 [inline] hci_uart_tty_close+0x8e/0x250 drivers/bluetooth/hci_ldisc.c:541 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 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x994/0x2fa0 kernel/exit.c:876 do_group_exit+0x135/0x370 kernel/exit.c:979 __do_sys_exit_group kernel/exit.c:990 [inline] __se_sys_exit_group kernel/exit.c:988 [inline] __x64_sys_exit_group+0x44/0x50 kernel/exit.c:988 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 Code: Bad RIP value. RSP: 002b:00007fdb582584c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00000000004598e9 RDX: 0000000000010008 RSI: 00007fdb58258500 RDI: 000000000000000b RBP: 0000000000000002 R08: 00007fdb58258ae0 R09: 0000000000000000 R10: 00007fdb58258b40 R11: 0000000000000246 R12: 0000000000000004 R13: 00000000004c89f9 R14: 00000000004df960 R15: 00000000ffffffff kobject: 'loop0' (00000000a3d19dd4): kobject_uevent_env Bluetooth: Invalid header checksum Bluetooth: Invalid header checksum Bluetooth: Invalid header checksum kobject: '(null)' (000000004e9df305): kobject_cleanup, parent (null) kobject: 'loop0' (00000000a3d19dd4): fill_kobj_path: path = '/devices/virtual/block/loop0' Bluetooth: Invalid header checksum kobject: '(null)' (000000004e9df305): calling ktype release kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access kobject: 'loop5' (0000000087e7b6cc): kobject_uevent_env general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8945 Comm: syz-executor.1 Not tainted 4.19.72 #0 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:ffff888080e5f848 EFLAGS: 00010046 kobject: 'loop5' (0000000087e7b6cc): fill_kobj_path: path = '/devices/virtual/block/loop5' RAX: dffffc0000000000 RBX: ffff888090a50138 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 1ffffffff1161fa4 RDI: 0000000000000000 RBP: ffff888080e5f8a0 R08: ffffffffffffffe8 R09: ffff888080e5f8f8 R10: ffffed101214a027 R11: ffff888090a5013b R12: 0000000000000000 kobject: 'loop2' (00000000d8470277): kobject_uevent_env R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fdb58259700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'loop2' (00000000d8470277): fill_kobj_path: path = '/devices/virtual/block/loop2' CR2: 00007efe747cda20 CR3: 00000000a4d85000 CR4: 00000000001406e0 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 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x994/0x2fa0 kernel/exit.c:876 do_group_exit+0x135/0x370 kernel/exit.c:979 __do_sys_exit_group kernel/exit.c:990 [inline] __se_sys_exit_group kernel/exit.c:988 [inline] __x64_sys_exit_group+0x44/0x50 kernel/exit.c:988 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4598e9 Code: Bad RIP value. RSP: 002b:00007fdb582584c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00000000004598e9 RDX: 0000000000010008 RSI: 00007fdb58258500 RDI: 000000000000000b RBP: 0000000000000002 R08: 00007fdb58258ae0 R09: 0000000000000000 R10: 00007fdb58258b40 R11: 0000000000000246 R12: 0000000000000004 R13: 00000000004c89f9 R14: 00000000004df960 R15: 00000000ffffffff Modules linked in: ---[ end trace 3e923f865aa53e34 ]--- 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:ffff888080e5f848 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff888090a50138 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 1ffffffff1161fa4 RDI: 0000000000000000 RBP: ffff888080e5f8a0 R08: ffffffffffffffe8 R09: ffff888080e5f8f8 R10: ffffed101214a027 R11: ffff888090a5013b R12: 0000000000000000 R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fdb58259700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004598bf CR3: 00000000a4d85000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400