Warning: Permanently added '10.128.0.164' (ED25519) to the list of known hosts. 1970/01/01 00:01:02 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:01:02 parsed 1 programs 1970/01/01 00:01:02 executed programs: 0 [ 62.756100][ T6523] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 62.793691][ T5742] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 62.796472][ T5742] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 62.799475][ T5742] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 62.801982][ T5742] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 62.804412][ T5742] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 62.806478][ T5742] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 62.877231][ T6530] chnl_net:caif_netlink_parms(): no params data found [ 62.905125][ T6530] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.907050][ T6530] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.908995][ T6530] bridge_slave_0: entered allmulticast mode [ 62.910986][ T6530] bridge_slave_0: entered promiscuous mode [ 62.914508][ T6530] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.916503][ T6530] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.918375][ T6530] bridge_slave_1: entered allmulticast mode [ 62.920463][ T6530] bridge_slave_1: entered promiscuous mode [ 62.931769][ T6530] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.935460][ T6530] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.950201][ T6530] team0: Port device team_slave_0 added [ 62.952875][ T6530] team0: Port device team_slave_1 added [ 62.962798][ T6530] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 62.964586][ T6530] 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. [ 62.971141][ T6530] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 62.976986][ T6530] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 62.978916][ T6530] 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. [ 62.985497][ T6530] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.061384][ T6530] hsr_slave_0: entered promiscuous mode [ 63.108775][ T6530] hsr_slave_1: entered promiscuous mode [ 63.776588][ T6530] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.820671][ T6530] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.860430][ T6530] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.909829][ T6530] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.000483][ T6530] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.010268][ T6530] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.015017][ T6189] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.017027][ T6189] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.025027][ T6195] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.026954][ T6195] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.048107][ T6530] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.052977][ T6530] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.125896][ T6530] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.151026][ T6530] veth0_vlan: entered promiscuous mode [ 64.157040][ T6530] veth1_vlan: entered promiscuous mode [ 64.173811][ T6530] veth0_macvtap: entered promiscuous mode [ 64.177566][ T6530] veth1_macvtap: entered promiscuous mode [ 64.187916][ T6530] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.195401][ T6530] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.203048][ T6530] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.205430][ T6530] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.207713][ T6530] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.211677][ T6530] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.256335][ T612] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.263864][ T612] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.276802][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.279226][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.479867][ T2252] ieee802154 phy0 wpan0: encryption failed: -22 [ 64.481816][ T2252] ieee802154 phy1 wpan1: encryption failed: -22 [ 64.599041][ T25] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 64.879299][ T5742] Bluetooth: hci0: command 0x0409 tx timeout [ 64.988750][ T25] usb 1-1: config 0 contains an unexpected descriptor of type 0x2, skipping [ 64.991159][ T25] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 2 [ 64.993551][ T25] usb 1-1: config 0 interface 0 altsetting 6 has an invalid endpoint with address 0x0, skipping [ 64.996350][ T25] usb 1-1: config 0 interface 0 altsetting 6 has an invalid endpoint with address 0x0, skipping [ 65.000491][ T25] usb 1-1: config 0 interface 0 altsetting 6 endpoint 0xE has invalid maxpacket 1024, setting to 64 [ 65.003418][ T25] usb 1-1: config 0 interface 0 altsetting 6 has a duplicate endpoint with address 0xE, skipping [ 65.006267][ T25] usb 1-1: config 0 interface 0 altsetting 1 has an invalid endpoint with address 0x0, skipping [ 65.009618][ T25] usb 1-1: config 0 interface 0 altsetting 1 has an invalid endpoint with address 0x0, skipping [ 65.012428][ T25] usb 1-1: config 0 interface 0 altsetting 1 endpoint 0xB has an invalid bInterval 0, changing to 7 [ 65.015414][ T25] usb 1-1: config 0 interface 0 altsetting 1 endpoint 0x4 has invalid wMaxPacketSize 0 [ 65.017953][ T25] usb 1-1: config 0 interface 0 altsetting 1 endpoint 0xD has invalid wMaxPacketSize 0 [ 65.021976][ T25] usb 1-1: config 0 interface 0 altsetting 1 has an invalid endpoint with address 0x0, skipping [ 65.024715][ T25] usb 1-1: config 0 interface 0 altsetting 1 has a duplicate endpoint with address 0xB, skipping [ 65.027565][ T25] usb 1-1: config 0 interface 0 altsetting 1 endpoint 0x6 has invalid maxpacket 1024, setting to 64 [ 65.030832][ T25] usb 1-1: config 0 interface 0 altsetting 1 has a duplicate endpoint with address 0xB, skipping [ 65.033971][ T25] usb 1-1: config 0 interface 0 has no altsetting 0 [ 65.238644][ T25] usb 1-1: New USB device found, idVendor=1f71, idProduct=3301, bcdDevice=17.9b [ 65.241033][ T25] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 65.243153][ T25] usb 1-1: Product: syz [ 65.244234][ T25] usb 1-1: Manufacturer: syz [ 65.245418][ T25] usb 1-1: SerialNumber: syz [ 65.254450][ T25] usb 1-1: config 0 descriptor?? [ 65.549417][ T25] usbtv 1-1:0.0: Fushicai USBTV007 Audio-Video Grabber [ 65.556241][ T25] usb 1-1: USB disconnect, device number 2 [ 65.581154][ T25] [ 65.581794][ T25] ============================================ [ 65.583423][ T25] WARNING: possible recursive locking detected [ 65.585111][ T25] 6.8.0-rc7-syzkaller-g707081b61156 #0 Not tainted [ 65.586876][ T25] -------------------------------------------- [ 65.588223][ T6736] udevd[6736]: error opening ATTR{/sys/devices/platform/dummy_hcd.0/usb1/1-1/sound/card3/controlC3/../uevent} for writing: No such file or directory [ 65.588518][ T25] kworker/1:1/25 is trying to acquire lock: [ 65.588527][ T25] ffff0000d6958b90 (&usbtv->vb2q_lock){+.+.}-{3:3}, at: vb2_video_unregister_device+0x11c/0x1dc [ 65.588564][ T25] [ 65.588564][ T25] but task is already holding lock: [ 65.588567][ T25] ffff0000d6958b90 (&usbtv->vb2q_lock){+.+.}-{3:3}, at: usbtv_video_free+0x2c/0x84 [ 65.601903][ T25] [ 65.601903][ T25] other info that might help us debug this: [ 65.604186][ T25] Possible unsafe locking scenario: [ 65.604186][ T25] [ 65.606331][ T25] CPU0 [ 65.607300][ T25] ---- [ 65.608200][ T25] lock(&usbtv->vb2q_lock); [ 65.609498][ T25] lock(&usbtv->vb2q_lock); [ 65.610702][ T25] [ 65.610702][ T25] *** DEADLOCK *** [ 65.610702][ T25] [ 65.612931][ T25] May be due to missing lock nesting notation [ 65.612931][ T25] [ 65.615232][ T25] 7 locks held by kworker/1:1/25: [ 65.616610][ T25] #0: ffff0000c24eb138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 [ 65.619500][ T25] #1: ffff800093a87c20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 [ 65.622616][ T25] #2: ffff0000cd3dc190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1b4/0x435c [ 65.625162][ T25] #3: ffff0000c9a73190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xec/0x808 [ 65.627703][ T25] #4: ffff0000cd268160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xbc/0x6a0 [ 65.630520][ T25] #5: ffff0000d6958b90 (&usbtv->vb2q_lock){+.+.}-{3:3}, at: usbtv_video_free+0x2c/0x84 [ 65.633283][ T25] #6: ffff0000d6958b00 (&usbtv->v4l2_lock){+.+.}-{3:3}, at: usbtv_video_free+0x3c/0x84 [ 65.636017][ T25] [ 65.636017][ T25] stack backtrace: [ 65.637655][ T25] CPU: 1 PID: 25 Comm: kworker/1:1 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0 [ 65.640298][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 65.643096][ T25] Workqueue: usb_hub_wq hub_event [ 65.644450][ T25] Call trace: [ 65.645372][ T25] dump_backtrace+0x1b8/0x1e4 [ 65.646623][ T25] show_stack+0x2c/0x3c [ 65.647775][ T25] dump_stack_lvl+0xd0/0x124 [ 65.649042][ T25] dump_stack+0x1c/0x28 [ 65.650189][ T25] print_deadlock_bug+0x4e4/0x660 [ 65.651620][ T25] __lock_acquire+0x5fe4/0x763c [ 65.653025][ T25] lock_acquire+0x23c/0x71c [ 65.654209][ T25] __mutex_lock_common+0x190/0x21a0 [ 65.655665][ T25] mutex_lock_nested+0x2c/0x38 [ 65.656990][ T25] vb2_video_unregister_device+0x11c/0x1dc [ 65.658592][ T25] usbtv_video_free+0x4c/0x84 [ 65.659885][ T25] usbtv_disconnect+0x6c/0xc4 [ 65.661159][ T25] usb_unbind_interface+0x1a4/0x758 [ 65.662585][ T25] device_release_driver_internal+0x440/0x6a0 [ 65.664157][ T25] device_release_driver+0x28/0x38 [ 65.665529][ T25] bus_remove_device+0x314/0x3b4 [ 65.666899][ T25] device_del+0x480/0x87c [ 65.668161][ T25] usb_disable_device+0x354/0x760 [ 65.669619][ T25] usb_disconnect+0x290/0x808 [ 65.670908][ T25] hub_event+0x18ec/0x435c [ 65.672110][ T25] process_one_work+0x694/0x1204 [ 65.673441][ T25] worker_thread+0x970/0xef4 [ 65.674714][ T25] kthread+0x288/0x310 [ 65.675868][ T25] ret_from_fork+0x10/0x20 [ 66.958546][ T5742] Bluetooth: hci0: command 0x041b tx timeout [ 69.038566][ T5742] Bluetooth: hci0: command 0x040f tx timeout 1970/01/01 00:01:09 executed programs: 2 [ 69.599188][ T1693] cfg80211: failed to load regulatory.db [ 71.118493][ T5742] Bluetooth: hci0: command 0x0419 tx timeout 1970/01/01 00:01:15 executed programs: 4