Warning: Permanently added '10.128.1.94' (ED25519) to the list of known hosts. 1970/01/01 00:01:04 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:04 parsed 1 programs [ 64.960597][ T6517] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS 1970/01/01 00:01:04 executed programs: 0 [ 64.997484][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 65.000070][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 65.002367][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 65.004734][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 65.007713][ T51] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 65.009714][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 65.075079][ T6524] chnl_net:caif_netlink_parms(): no params data found [ 65.100127][ T6524] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.102011][ T6524] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.103941][ T6524] bridge_slave_0: entered allmulticast mode [ 65.107097][ T6524] bridge_slave_0: entered promiscuous mode [ 65.109948][ T6524] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.111860][ T6524] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.113799][ T6524] bridge_slave_1: entered allmulticast mode [ 65.116114][ T6524] bridge_slave_1: entered promiscuous mode [ 65.126978][ T6524] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.130701][ T6524] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.144669][ T6524] team0: Port device team_slave_0 added [ 65.147661][ T6524] team0: Port device team_slave_1 added [ 65.157164][ T6524] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.159039][ T6524] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.166084][ T6524] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.170197][ T6524] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.172052][ T6524] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.179165][ T6524] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.248380][ T6524] hsr_slave_0: entered promiscuous mode [ 65.285171][ T6524] hsr_slave_1: entered promiscuous mode [ 65.930105][ T6524] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.966470][ T6524] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.006233][ T6524] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.057003][ T6524] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.108861][ T6524] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.110842][ T6524] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.112774][ T6524] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.115047][ T6524] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.121024][ T6170] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.123326][ T6170] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.152847][ T6524] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.161613][ T6524] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.166926][ T6171] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.169010][ T6171] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.175918][ T6171] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.177747][ T6171] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.189673][ T6524] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.192386][ T6524] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.267513][ T6524] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.290017][ T6524] veth0_vlan: entered promiscuous mode [ 66.294709][ T6524] veth1_vlan: entered promiscuous mode [ 66.311430][ T6524] veth0_macvtap: entered promiscuous mode [ 66.314579][ T6524] veth1_macvtap: entered promiscuous mode [ 66.326567][ T6524] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.331482][ T6524] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.337527][ T6524] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.339825][ T6524] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.342160][ T6524] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.344437][ T6524] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.379372][ T596] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.381692][ T596] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.393520][ T2033] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.396782][ T2033] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.715184][ T6186] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 67.055801][ T51] Bluetooth: hci0: command 0x0409 tx timeout [ 67.085035][ T6186] usb 1-1: config 0 contains an unexpected descriptor of type 0x2, skipping [ 67.087710][ T6186] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 2 [ 67.090059][ T6186] usb 1-1: config 0 interface 0 altsetting 6 has an invalid endpoint with address 0x0, skipping [ 67.092809][ T6186] usb 1-1: config 0 interface 0 altsetting 6 has an invalid endpoint with address 0x0, skipping [ 67.097155][ T6186] usb 1-1: config 0 interface 0 altsetting 6 endpoint 0xE has invalid maxpacket 1024, setting to 64 [ 67.100137][ T6186] usb 1-1: config 0 interface 0 altsetting 6 has a duplicate endpoint with address 0xE, skipping [ 67.103098][ T6186] usb 1-1: config 0 interface 0 altsetting 1 has an invalid endpoint with address 0x0, skipping [ 67.106708][ T6186] usb 1-1: config 0 interface 0 altsetting 1 has an invalid endpoint with address 0x0, skipping [ 67.109578][ T6186] usb 1-1: config 0 interface 0 altsetting 1 endpoint 0xB has an invalid bInterval 0, changing to 7 [ 67.112632][ T6186] usb 1-1: config 0 interface 0 altsetting 1 endpoint 0x4 has invalid wMaxPacketSize 0 [ 67.116568][ T6186] usb 1-1: config 0 interface 0 altsetting 1 endpoint 0xD has invalid wMaxPacketSize 0 [ 67.119218][ T6186] usb 1-1: config 0 interface 0 altsetting 1 has an invalid endpoint with address 0x0, skipping [ 67.122059][ T6186] usb 1-1: config 0 interface 0 altsetting 1 has a duplicate endpoint with address 0xB, skipping [ 67.125528][ T6186] usb 1-1: config 0 interface 0 altsetting 1 endpoint 0x6 has invalid maxpacket 1024, setting to 64 [ 67.128509][ T6186] usb 1-1: config 0 interface 0 altsetting 1 has a duplicate endpoint with address 0xB, skipping [ 67.131607][ T6186] usb 1-1: config 0 interface 0 has no altsetting 0 [ 67.285337][ T6186] usb 1-1: New USB device found, idVendor=1f71, idProduct=3301, bcdDevice=17.9b [ 67.287844][ T6186] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 67.290001][ T6186] usb 1-1: Product: syz [ 67.291068][ T6186] usb 1-1: Manufacturer: syz [ 67.292432][ T6186] usb 1-1: SerialNumber: syz [ 67.302149][ T6186] usb 1-1: config 0 descriptor?? [ 67.587500][ T6186] usbtv 1-1:0.0: Fushicai USBTV007 Audio-Video Grabber [ 67.599117][ T6186] usb 1-1: USB disconnect, device number 2 [ 67.642425][ T6186] [ 67.643054][ T6186] ============================================ [ 67.644658][ T6186] WARNING: possible recursive locking detected [ 67.646358][ T6186] 6.8.0-rc6-syzkaller-g805d849d7c3c-dirty #0 Not tainted [ 67.648217][ T6186] -------------------------------------------- [ 67.649862][ T6186] kworker/0:4/6186 is trying to acquire lock: [ 67.650606][ T6724] udevd[6724]: error opening ATTR{/sys/devices/platform/dummy_hcd.0/usb1/1-1/sound/card3/controlC3/../uevent} for writing: No such file or directory [ 67.651454][ T6186] ffff0000cd544b90 (&usbtv->vb2q_lock){+.+.}-{3:3}, at: vb2_video_unregister_device+0xe8/0x1ac [ 67.658259][ T6186] [ 67.658259][ T6186] but task is already holding lock: [ 67.660243][ T6186] ffff0000cd544b90 (&usbtv->vb2q_lock){+.+.}-{3:3}, at: usbtv_video_free+0x2c/0x84 [ 67.662792][ T6186] [ 67.662792][ T6186] other info that might help us debug this: [ 67.665059][ T6186] Possible unsafe locking scenario: [ 67.665059][ T6186] [ 67.667139][ T6186] CPU0 [ 67.668021][ T6186] ---- [ 67.668900][ T6186] lock(&usbtv->vb2q_lock); [ 67.670102][ T6186] lock(&usbtv->vb2q_lock); [ 67.671375][ T6186] [ 67.671375][ T6186] *** DEADLOCK *** [ 67.671375][ T6186] [ 67.673560][ T6186] May be due to missing lock nesting notation [ 67.673560][ T6186] [ 67.675703][ T6186] 7 locks held by kworker/0:4/6186: [ 67.677024][ T6186] #0: ffff0000c252f138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 [ 67.679972][ T6186] #1: ffff800097b77c20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 [ 67.682978][ T6186] #2: ffff0000ccf38190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1b4/0x435c [ 67.685367][ T6186] #3: ffff0000c73fb190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xec/0x808 [ 67.687815][ T6186] #4: ffff0000d811b160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xbc/0x6a0 [ 67.690632][ T6186] #5: ffff0000cd544b90 (&usbtv->vb2q_lock){+.+.}-{3:3}, at: usbtv_video_free+0x2c/0x84 [ 67.693191][ T6186] #6: ffff0000cd544b00 (&usbtv->v4l2_lock){+.+.}-{3:3}, at: usbtv_video_free+0x3c/0x84 [ 67.695808][ T6186] [ 67.695808][ T6186] stack backtrace: [ 67.697343][ T6186] CPU: 0 PID: 6186 Comm: kworker/0:4 Not tainted 6.8.0-rc6-syzkaller-g805d849d7c3c-dirty #0 [ 67.700018][ T6186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 67.702787][ T6186] Workqueue: usb_hub_wq hub_event [ 67.704155][ T6186] Call trace: [ 67.705029][ T6186] dump_backtrace+0x1b8/0x1e4 [ 67.706263][ T6186] show_stack+0x2c/0x3c [ 67.707383][ T6186] dump_stack_lvl+0xd0/0x124 [ 67.708591][ T6186] dump_stack+0x1c/0x28 [ 67.709726][ T6186] print_deadlock_bug+0x4e4/0x660 [ 67.711063][ T6186] __lock_acquire+0x5fe4/0x763c [ 67.712369][ T6186] lock_acquire+0x23c/0x71c [ 67.713610][ T6186] __mutex_lock_common+0x190/0x21a0 [ 67.714987][ T6186] mutex_lock_nested+0x2c/0x38 [ 67.716303][ T6186] vb2_video_unregister_device+0xe8/0x1ac [ 67.717826][ T6186] usbtv_video_free+0x4c/0x84 [ 67.719076][ T6186] usbtv_disconnect+0x6c/0xc4 [ 67.720373][ T6186] usb_unbind_interface+0x1a4/0x758 [ 67.721778][ T6186] device_release_driver_internal+0x440/0x6a0 [ 67.723391][ T6186] device_release_driver+0x28/0x38 [ 67.724711][ T6186] bus_remove_device+0x314/0x3b4 [ 67.726030][ T6186] device_del+0x480/0x87c [ 67.727187][ T6186] usb_disable_device+0x354/0x760 [ 67.728548][ T6186] usb_disconnect+0x290/0x808 [ 67.729825][ T6186] hub_event+0x18ec/0x435c [ 67.731040][ T6186] process_one_work+0x694/0x1204 [ 67.732356][ T6186] worker_thread+0x970/0xef4 [ 67.733652][ T6186] kthread+0x288/0x310 [ 67.734710][ T6186] ret_from_fork+0x10/0x20 [ 69.134941][ T51] Bluetooth: hci0: command 0x041b tx timeout [ 69.615264][ T10] cfg80211: failed to load regulatory.db 1970/01/01 00:01:11 executed programs: 2 [ 71.225267][ T51] Bluetooth: hci0: command 0x040f tx timeout [ 73.294948][ T51] Bluetooth: hci0: command 0x0419 tx timeout 1970/01/01 00:01:17 executed programs: 4