INFO: task udevd:5654 blocked for more than 143 seconds. Not tainted 6.10.0-syzkaller-01193-g408323581b72 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:24752 pid:5654 tgid:5654 ppid:4547 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5407 [inline] __schedule+0x1800/0x4a60 kernel/sched/core.c:6748 __schedule_loop kernel/sched/core.c:6825 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6840 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6897 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 btrfs_control_ioctl+0x150/0x3e0 fs/btrfs/super.c:2233 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfe/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa4a431ad49 RSP: 002b:00007ffe7e57e9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa4a431ad49 RDX: 00007ffe7e57ea08 RSI: 0000000090009427 RDI: 0000000000000009 RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7e57fa48 R14: 00005628c2941780 R15: 00007ffe7e580768 INFO: task syz.4.285:6636 blocked for more than 144 seconds. Not tainted 6.10.0-syzkaller-01193-g408323581b72 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.285 state:D stack:24688 pid:6636 tgid:6635 ppid:5114 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5407 [inline] __schedule+0x1800/0x4a60 kernel/sched/core.c:6748 __schedule_loop kernel/sched/core.c:6825 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6840 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2557 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x355/0x620 kernel/sched/completion.c:148 __flush_work+0xaa9/0xd00 kernel/workqueue.c:4208 __lru_add_drain_all+0x4f6/0x560 mm/swap.c:902 invalidate_bdev+0x76/0xa0 block/bdev.c:100 btrfs_get_bdev_and_sb+0x11a/0x1c0 fs/btrfs/volumes.c:492 btrfs_open_one_device fs/btrfs/volumes.c:657 [inline] open_fs_devices+0x2ae/0x12a0 fs/btrfs/volumes.c:1196 btrfs_get_tree_super fs/btrfs/super.c:1826 [inline] btrfs_get_tree+0x504/0x1920 fs/btrfs/super.c:2089 vfs_get_tree+0x92/0x2a0 fs/super.c:1789 fc_mount+0x1b/0xb0 fs/namespace.c:1231 btrfs_get_tree_subvol fs/btrfs/super.c:2052 [inline] btrfs_get_tree+0x652/0x1920 fs/btrfs/super.c:2090 vfs_get_tree+0x92/0x2a0 fs/super.c:1789 do_new_mount+0x2be/0xb40 fs/namespace.c:3472 do_mount fs/namespace.c:3812 [inline] __do_sys_mount fs/namespace.c:4020 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9f1517711a RSP: 002b:00007f9f15f45e78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f9f15f45f00 RCX: 00007f9f1517711a RDX: 00000000200055c0 RSI: 0000000020000940 RDI: 00007f9f15f45ec0 RBP: 00000000200055c0 R08: 00007f9f15f45f00 R09: 0000000000000008 R10: 0000000000000008 R11: 0000000000000206 R12: 0000000020000940 R13: 00007f9f15f45ec0 R14: 00000000000055a4 R15: 00000000200004c0 Showing all locks held in the system: 4 locks held by kworker/u8:1/12: #0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc90000117d00 ( net_cleanup_work ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3207 [inline] , at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8f5dfc50 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594 #3: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3} , at: mpls_net_exit+0x7d/0x2a0 net/mpls/af_mpls.c:2708 6 locks held by kworker/1:0/25: 1 lock held by khungtaskd/30: #0: ffffffff8e333fe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:327 [inline] #0: ffffffff8e333fe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:839 [inline] #0: ffffffff8e333fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614 2 locks held by kworker/u8:8/1109: 3 locks held by kworker/0:3/1153: #0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc900044dfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc900044dfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276 3 locks held by kworker/u8:9/2463: #0: ffff888029fe2148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff888029fe2148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc9000968fd00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc9000968fd00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4733 3 locks held by kworker/u8:11/2838: 6 locks held by kworker/u9:1/4491: #0: ffff88806562f148 ((wq_completion)hci0){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff88806562f148 ((wq_completion)hci0){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc9000cc47d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3207 [inline] , at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffff8880235f4d88 (&hdev->req_lock ){+.+.}-{3:3} , at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:322 #3: ffff8880235f4078 (&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x1ea/0xde0 net/bluetooth/hci_sync.c:5444 #4: ffffffff8f756b88 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1967 [inline] (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_failed+0x185/0x340 net/bluetooth/hci_conn.c:1266 #5: ffffffff8e3393b8 ( rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:328 [inline] rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:958 2 locks held by getty/4853: #0: ffff88802aacb0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000312b2f0 ( &ldata->atomic_read_lock ){+.+.}-{3:3} , at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211 2 locks held by syz-executor/5112: #0: ffff888059efe0e0 (&type->s_umount_key#61 ){++++}-{3:3} , at: __super_lock fs/super.c:56 [inline] , at: __super_lock_excl fs/super.c:71 [inline] , at: deactivate_super+0xb5/0xf0 fs/super.c:505 #1: ffffffff8e3ed608 (lock#3){+.+.}-{3:3}, at: __lru_add_drain_all+0x66/0x560 mm/swap.c:857 2 locks held by syz-executor/5113: #0: ffff8880224200e0 (&type->s_umount_key#61 ){++++}-{3:3} , at: __super_lock fs/super.c:56 [inline] , at: __super_lock_excl fs/super.c:71 [inline] , at: deactivate_super+0xb5/0xf0 fs/super.c:505 #1: ffffffff8e3ed608 (lock#3){+.+.}-{3:3}, at: __lru_add_drain_all+0x66/0x560 mm/swap.c:857 5 locks held by kworker/u9:3/5118: #0: ffff88805274d148 ((wq_completion)hci7){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] ((wq_completion)hci7){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc90004c5fd00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc90004c5fd00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffff88805a1c4d88 (&hdev->req_lock){+.+.}-{3:3} , at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:322 #3: ffff88805a1c4078 (&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x1ea/0xde0 net/bluetooth/hci_sync.c:5444 #4: ffffffff8f756b88 (hci_cb_list_lock){+.+.}-{3:3} , at: hci_connect_cfm include/net/bluetooth/hci_core.h:1967 [inline] , at: hci_conn_failed+0x185/0x340 net/bluetooth/hci_conn.c:1266 4 locks held by kworker/u9:4/5120: #0: ffff88802daac948 ((wq_completion)hci20#2){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff88802daac948 ((wq_completion)hci20#2){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc90004c3fd00 ((work_completion)(&hdev->rx_work) ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3207 [inline] , at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffff888060f20078 (&hdev->lock){+.+.}-{3:3}, at: hci_remote_features_evt+0x97/0xaf0 net/bluetooth/hci_event.c:3687 #3: ffffffff8f756b88 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1967 [inline] #3: ffffffff8f756b88 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_remote_features_evt+0x4c3/0xaf0 net/bluetooth/hci_event.c:3721 5 locks held by kworker/u9:5/5121: #0: ffff88802bdea948 ( (wq_completion)hci4 ){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] ){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc90004c2fd00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc90004c2fd00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffff8880524fcd88 ( &hdev->req_lock ){+.+.}-{3:3} , at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:322 #3: ffff8880524fc078 (&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x1ea/0xde0 net/bluetooth/hci_sync.c:5444 #4: ffffffff8f756b88 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1967 [inline] #4: ffffffff8f756b88 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_failed+0x185/0x340 net/bluetooth/hci_conn.c:1266 5 locks held by kworker/u9:7/5127: #0: ffff888050ac5948 ( (wq_completion)hci6 ){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] ){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc90004bdfd00 ((work_completion)(&hdev->cmd_sync_work) ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3207 [inline] , at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffff888054eb8d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:322 #3: ffff888054eb8078 (&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x1ea/0xde0 net/bluetooth/hci_sync.c:5444 #4: ffffffff8f756b88 ( hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1967 [inline] hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_failed+0x185/0x340 net/bluetooth/hci_conn.c:1266 5 locks held by kworker/u9:9/5131: #0: ffff888054f15148 ( (wq_completion)hci8#3){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] (wq_completion)hci8#3){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc90002ee7d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc90002ee7d00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffff888054694d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:322 #3: ffff888054694078 (&hdev->lock){+.+.}-{3:3}, at: hci_abort_conn_sync+0x1ea/0xde0 net/bluetooth/hci_sync.c:5444 #4: ffffffff8f756b88 ( hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1967 [inline] hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_failed+0x185/0x340 net/bluetooth/hci_conn.c:1266 3 locks held by kworker/1:3/5163: 3 locks held by kworker/0:5/5175: #0: ffff888015078948 ((wq_completion)events ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3206 [inline] , at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc9000485fd00 ( deferred_process_work ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3207 [inline] , at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104 4 locks held by udevd/5178: #0: ffff8880222f7668 (&p->lock ){+.+.}-{3:3} , at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182 #1: ffff88804c03b088 ( &of->mutex #2 ){+.+.}-{3:3}, at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154 #2: ffff888065b04f08 (kn->active#28){.+.+}-{0:0}, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155 #3: ffff88802c6db190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:1014 [inline] #3: ffff88802c6db190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142 3 locks held by kworker/0:8/5185: #0: ffff888015079948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff888015079948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc900037e7d00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3} , at: reg_check_chans_work+0x91/0xea0 net/wireless/reg.c:2478 1 lock held by udevd/5654: #0: ffffffff8e8a8cc8 (uuid_mutex){+.+.}-{3:3}, at: btrfs_control_ioctl+0x150/0x3e0 fs/btrfs/super.c:2233 4 locks held by syz.1.284/6634: 2 locks held by syz.4.285/6636: #0: ffffffff8e8a8cc8 ( uuid_mutex ){+.+.}-{3:3} , at: btrfs_get_tree_super fs/btrfs/super.c:1810 [inline] , at: btrfs_get_tree+0x2dc/0x1920 fs/btrfs/super.c:2089 #1: ffffffff8e3ed608 (lock#3){+.+.}-{3:3}, at: __lru_add_drain_all+0x66/0x560 mm/swap.c:857 2 locks held by syz.2.291/6671: #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3} , at: tun_detach drivers/net/tun.c:698 [inline] , at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3500 #1: ffffffff8e1ce5b0 (cpu_hotplug_lock){++++}-{0:0}, at: flush_all_backlogs net/core/dev.c:5984 [inline] #1: ffffffff8e1ce5b0 (cpu_hotplug_lock){++++}-{0:0}, at: unregister_netdevice_many_notify+0x607/0x16b0 net/core/dev.c:11201 1 lock held by syz-executor/6672: #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/6674: #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/6677: #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/6680: #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/6684: #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3} , at: rtnl_lock net/core/rtnetlink.c:79 [inline] , at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 2 locks held by syz-executor/6695: #0: ffffffff8f5dfc50 ( pernet_ops_rwsem ){++++}-{3:3} , at: copy_net_ns+0x4c6/0x7b0 net/core/net_namespace.c:504 #1: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_init_net+0x20e/0x710 net/ipv4/ip_tunnel.c:1159 1 lock held by syz-executor/6712: #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/6713: #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/6717: #0: ffffffff8f5ec488 ( rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/6720: #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3} , at: rtnl_lock net/core/rtnetlink.c:79 [inline] , at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/6723: #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/6726: #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/6729: #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/6732: #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3} , at: rtnl_lock net/core/rtnetlink.c:79 [inline] , at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/6735: #0: ffffffff8f5ec488 ( rtnl_mutex ){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] ){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/6738: #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 1 lock held by syz-executor/6741: #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5ec488 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632 2 locks held by dhcpcd/6743: #0: ffff888021f28258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1602 [inline] ffff888021f28258 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xcb0 net/packet/af_packet.c:3201 #1: ffffffff8e3393b8 ( rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:328 [inline] rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:958 1 lock held by dhcpcd/6744: #0: ffff88806542a258 (sk_lock-AF_PACKET){+.+.}-{0:0} , at: lock_sock include/net/sock.h:1602 [inline] , at: packet_do_bind+0x32/0xcb0 net/packet/af_packet.c:3201 1 lock held by dhcpcd/6745: