protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 libceph: mon1 [::1]:6789 socket error on write protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 7555 Comm: syz-executor.5 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 get_signal+0x1baa/0x1fc0 kernel/signal.c:2385 do_signal+0x95/0x1960 arch/x86/kernel/signal.c:821 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 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: 0033:0x4598e9 Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6536c65c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00000000004598e9 RDX: 0000000000000002 RSI: 00000000400455c8 RDI: 000000000000000a RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6536c666d4 R13: 00000000004c25bf R14: 00000000004d5b68 R15: 00000000ffffffff protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (000000008cfd4609): kobject_uevent_env kobject: 'loop4' (000000008cfd4609): fill_kobj_path: path = '/devices/virtual/block/loop4' 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 CPU: 1 PID: 7555 Comm: syz-executor.5 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 kobject: 'loop2' (0000000073ad16f9): kobject_uevent_env RSP: 0018:ffff888072d876e8 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff8880a0a0b8b8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 1ffffffff1161fa4 RDI: 0000000000000000 kobject: 'loop2' (0000000073ad16f9): fill_kobj_path: path = '/devices/virtual/block/loop2' RBP: ffff888072d87740 R08: ffffffffffffffe8 R09: ffff888072d87798 R10: ffffed1014141717 R11: ffff8880a0a0b8bb R12: 0000000000000000 R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f6536c66700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'loop3' (00000000c948e832): kobject_uevent_env CR2: 0000001b2cd21000 CR3: 0000000047382000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: __wake_up_common_lock+0xe9/0x190 kernel/sched/wait.c:121 kobject: 'loop3' (00000000c948e832): fill_kobj_path: path = '/devices/virtual/block/loop3' __wake_up+0xe/0x10 kernel/sched/wait.c:145 kobject: 'loop4' (000000008cfd4609): kobject_uevent_env rcu_sync_enter+0x1c7/0x310 kernel/rcu/sync.c:133 kobject: 'loop4' (000000008cfd4609): fill_kobj_path: path = '/devices/virtual/block/loop4' percpu_down_write+0x61/0x437 kernel/locking/percpu-rwsem.c:143 kobject: 'ceph-784' (00000000ed84e2f3): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'ceph-784' (00000000ed84e2f3): kobject_uevent_env hci_uart_tty_close+0x13a/0x250 drivers/bluetooth/hci_ldisc.c:544 kobject: 'ceph-784' (00000000ed84e2f3): fill_kobj_path: path = '/devices/virtual/bdi/ceph-784' 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:2385 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: 0033:0x4598e9 Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6536c65c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00000000004598e9 RDX: 0000000000000002 RSI: 00000000400455c8 RDI: 000000000000000a RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6536c666d4 R13: 00000000004c25bf R14: 00000000004d5b68 R15: 00000000ffffffff Modules linked in: ---[ end trace 8ddc277d5a676835 ]--- 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:ffff888072d876e8 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff8880a0a0b8b8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 1ffffffff1161fa4 RDI: 0000000000000000 RBP: ffff888072d87740 R08: ffffffffffffffe8 R09: ffff888072d87798 R10: ffffed1014141717 R11: ffff8880a0a0b8bb R12: 0000000000000000 R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f6536c66700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2cd21000 CR3: 0000000047382000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600