IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready 8021q: adding VLAN 0 to HW filter on device batadv0 IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready BUG: sleeping function called from invalid context at net/core/sock.c:2831 in_atomic(): 1, irqs_disabled(): 0, pid: 1785, name: kworker/u5:2 6 locks held by kworker/u5:2/1785: #0: 00000000dfd2810e ((wq_completion)"%s"hdev->name#2){....}, at: wake_up_worker kernel/workqueue.c:838 [inline] #0: 00000000dfd2810e ((wq_completion)"%s"hdev->name#2){....}, at: process_one_work+0x1b1/0x4d0 kernel/workqueue.c:2116 #1: 00000000437051ff ((work_completion)(&hdev->rx_work)){....}, at: wake_up_worker kernel/workqueue.c:838 [inline] #1: 00000000437051ff ((work_completion)(&hdev->rx_work)){....}, at: process_one_work+0x1b1/0x4d0 kernel/workqueue.c:2116 #2: 0000000098255313 (&hdev->lock){....}, at: hci_sync_conn_complete_evt net/bluetooth/hci_event.c:4052 [inline] #2: 0000000098255313 (&hdev->lock){....}, at: hci_event_packet+0x1533/0x2f80 net/bluetooth/hci_event.c:5822 #3: 0000000084e0608c (hci_cb_list_lock){....}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1238 [inline] #3: 0000000084e0608c (hci_cb_list_lock){....}, at: hci_sync_conn_complete_evt net/bluetooth/hci_event.c:4103 [inline] #3: 0000000084e0608c (hci_cb_list_lock){....}, at: hci_event_packet+0x1644/0x2f80 net/bluetooth/hci_event.c:5822 #4: 00000000b9f04730 (&(&conn->lock)->rlock#2){....}, at: spin_lock include/linux/spinlock.h:329 [inline] #4: 00000000b9f04730 (&(&conn->lock)->rlock#2){....}, at: sco_conn_ready net/bluetooth/sco.c:1036 [inline] #4: 00000000b9f04730 (&(&conn->lock)->rlock#2){....}, at: sco_connect_cfm net/bluetooth/sco.c:1121 [inline] #4: 00000000b9f04730 (&(&conn->lock)->rlock#2){....}, at: sco_connect_cfm+0x117/0x2d0 net/bluetooth/sco.c:1109 #5: 00000000abf5f810 (slock-AF_BLUETOOTH-BTPROTO_SCO){....}, at: spin_lock include/linux/spinlock.h:329 [inline] #5: 00000000abf5f810 (slock-AF_BLUETOOTH-BTPROTO_SCO){....}, at: sco_conn_ready net/bluetooth/sco.c:1049 [inline] #5: 00000000abf5f810 (slock-AF_BLUETOOTH-BTPROTO_SCO){....}, at: sco_connect_cfm net/bluetooth/sco.c:1121 [inline] #5: 00000000abf5f810 (slock-AF_BLUETOOTH-BTPROTO_SCO){....}, at: sco_connect_cfm+0x1b7/0x2d0 net/bluetooth/sco.c:1109 CPU: 1 PID: 1785 Comm: kworker/u5:2 Not tainted 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: hci0 hci_rx_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x87/0xba lib/dump_stack.c:113 ___might_sleep.cold.17+0xb1/0xc4 kernel/sched/core.c:6143 __might_sleep+0x16/0x20 kernel/sched/core.c:6096 lock_sock_nested+0x22/0xa0 net/core/sock.c:2831 bt_accept_enqueue+0x3a/0xc0 net/bluetooth/af_bluetooth.c:162 __sco_chan_add+0x33/0x60 net/bluetooth/sco.c:196 sco_conn_ready net/bluetooth/sco.c:1065 [inline] sco_connect_cfm net/bluetooth/sco.c:1121 [inline] sco_connect_cfm+0x231/0x2d0 net/bluetooth/sco.c:1109 hci_connect_cfm include/net/bluetooth/hci_core.h:1241 [inline] hci_sync_conn_complete_evt net/bluetooth/hci_event.c:4103 [inline] hci_event_packet+0x1676/0x2f80 net/bluetooth/hci_event.c:5822 hci_rx_work+0x1c1/0x420 net/bluetooth/hci_core.c:4347 process_one_work+0x255/0x4d0 kernel/workqueue.c:2153 worker_thread+0x3e/0x330 kernel/workqueue.c:2296 kthread+0x127/0x140 kernel/kthread.c:246 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:413 list_add double add: new=ffff88022c4563d8, prev=ffff88022c4563d8, next=ffff8802344d30c0. invalid opcode: 0000 [#1] SMP PTI CPU: 1 PID: 743 Comm: kworker/u5:0 Tainted: G W 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: hci0 hci_rx_work RIP: 0010:__list_add_valid+0x46/0x50 lib/list_debug.c:29 Code: 95 00 00 00 48 39 f8 74 0c 48 39 fa 74 07 b8 01 00 00 00 5d c3 48 89 f2 4c 89 c1 48 89 fe 48 c7 c7 68 9c a7 82 e8 73 ca a7 ff <0f> 0b 0f 1f 84 00 00 00 00 00 48 b9 00 01 00 00 00 00 ad de 55 48 RSP: 0018:ffffc90001cefc18 EFLAGS: 00010246 RAX: 0000000000000058 RBX: ffff88022c4563d0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff880237b15788 RDI: ffff880237b15788 RBP: ffffc90001cefc18 R08: 0000000000000008 R09: 000000001e9aebcd R10: 0000000000000000 R11: ffff8802355c88a8 R12: ffff880227e73090 R13: ffff8802344d30c0 R14: ffff88022c4563d8 R15: ffff88022c4563d8 FS: 0000000000000000(0000) GS:ffff880237b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6d83450fa8 CR3: 0000000002c1e000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_add include/linux/list.h:60 [inline] list_add_tail include/linux/list.h:93 [inline] kobj_kset_join lib/kobject.c:188 [inline] kobject_add_internal+0x80/0x240 lib/kobject.c:238 kobject_add_varg lib/kobject.c:382 [inline] kobject_add+0x7d/0xb0 lib/kobject.c:426 device_add+0x129/0x6f0 drivers/base/core.c:1879 hci_conn_add_sysfs+0x49/0xc0 net/bluetooth/hci_sysfs.c:53 hci_sync_conn_complete_evt net/bluetooth/hci_event.c:4080 [inline] hci_event_packet+0x2f03/0x2f80 net/bluetooth/hci_event.c:5822 hci_rx_work+0x1c1/0x420 net/bluetooth/hci_core.c:4347 process_one_work+0x255/0x4d0 kernel/workqueue.c:2153 worker_thread+0x3e/0x330 kernel/workqueue.c:2296 kthread+0x127/0x140 kernel/kthread.c:246 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:413 Modules linked in: ---[ end trace 706380acc3f09219 ]--- RIP: 0010:__list_add_valid+0x46/0x50 lib/list_debug.c:29 Code: 95 00 00 00 48 39 f8 74 0c 48 39 fa 74 07 b8 01 00 00 00 5d c3 48 89 f2 4c 89 c1 48 89 fe 48 c7 c7 68 9c a7 82 e8 73 ca a7 ff <0f> 0b 0f 1f 84 00 00 00 00 00 48 b9 00 01 00 00 00 00 ad de 55 48 RSP: 0018:ffffc90001cefc18 EFLAGS: 00010246 RAX: 0000000000000058 RBX: ffff88022c4563d0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff880237b15788 RDI: ffff880237b15788 RBP: ffffc90001cefc18 R08: 0000000000000008 R09: 000000001e9aebcd R10: 0000000000000000 R11: ffff8802355c88a8 R12: ffff880227e73090 R13: ffff8802344d30c0 R14: ffff88022c4563d8 R15: ffff88022c4563d8 FS: 0000000000000000(0000) GS:ffff880237b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6d83450fa8 CR3: 0000000002c1e000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400