Warning: Permanently added '10.128.15.203' (ECDSA) to the list of known hosts. syzkaller login: [ 47.555592][ T8361] IPVS: ftp: loaded support on port[0] = 21 [ 47.650836][ T8361] chnl_net:caif_netlink_parms(): no params data found [ 47.697306][ T8361] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.705210][ T8361] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.713897][ T8361] device bridge_slave_0 entered promiscuous mode [ 47.723018][ T8361] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.730102][ T8361] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.739219][ T8361] device bridge_slave_1 entered promiscuous mode [ 47.759461][ T8361] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 47.770205][ T8361] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 47.790850][ T8361] team0: Port device team_slave_0 added [ 47.798668][ T8361] team0: Port device team_slave_1 added [ 47.815328][ T8361] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 47.822303][ T8361] 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. [ 47.849718][ T8361] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 47.864711][ T8361] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 47.871704][ T8361] 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. [ 47.899226][ T8361] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 47.926353][ T8361] device hsr_slave_0 entered promiscuous mode [ 47.932990][ T8361] device hsr_slave_1 entered promiscuous mode [ 48.022891][ T8361] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.036645][ T8361] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.045683][ T8361] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.055969][ T8361] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.078407][ T8361] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.085692][ T8361] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.093526][ T8361] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.100601][ T8361] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.141387][ T8361] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.157623][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.168061][ T2927] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.177955][ T2927] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.187125][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.199992][ T8361] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.209910][ T4837] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.219693][ T4837] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.226926][ T4837] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.238455][ T8570] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.249991][ T8570] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.257098][ T8570] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.275013][ T4837] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.283647][ T4837] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.298505][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.313197][ T8361] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 48.324157][ T8361] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 48.337483][ T8570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.346659][ T8570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.355164][ T8570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.373334][ T4787] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.380717][ T4787] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.392917][ T8361] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.411390][ T4787] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.429968][ T8570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.438668][ T8570] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.446626][ T8570] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.457080][ T8361] device veth0_vlan entered promiscuous mode [ 48.469181][ T8361] device veth1_vlan entered promiscuous mode [ 48.488873][ T8570] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 48.498202][ T8570] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 48.506654][ T8570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.517845][ T8361] device veth0_macvtap entered promiscuous mode [ 48.529351][ T8361] device veth1_macvtap entered promiscuous mode [ 48.545310][ T8361] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.554799][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.565142][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 48.576523][ T8361] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.584676][ T4787] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.595452][ T8361] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.605113][ T8361] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.614522][ T8361] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.625022][ T8361] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.717604][ T204] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.735887][ T204] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 48.776157][ T4787] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 48.787849][ T204] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.799342][ T204] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.810640][ T4787] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 49.101626][ T4787] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 49.621608][ T4787] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice= 8.42 [ 49.630869][ T4787] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 49.640667][ T4787] usb 1-1: Product: syz [ 49.646088][ T4787] usb 1-1: Manufacturer: syz [ 49.646121][ T4787] usb 1-1: SerialNumber: syz [ 49.660348][ T4787] usb 1-1: config 0 descriptor?? [ 49.708669][ T4787] pvrusb2: Hardware description: Terratec Grabster AV400 [ 49.716419][ T4787] pvrusb2: ********** [ 49.720416][ T4787] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 49.730751][ T4787] pvrusb2: Important functionality might not be entirely working. [ 49.739386][ T4787] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 49.751369][ T4787] pvrusb2: ********** [ 49.923642][ T3952] pvrusb2: Invalid write control endpoint [ 49.935996][ T4787] usb 1-1: USB disconnect, device number 2 [ 50.021580][ T3952] pvrusb2: Invalid write control endpoint [ 50.027464][ T3952] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 50.049039][ T3952] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 50.065546][ T3952] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 50.077874][ T3952] pvrusb2: Device being rendered inoperable [ 50.086116][ T3952] cx25840 1-0044: Unable to detect h/w, assuming cx23887 [ 50.096117][ T3952] cx25840 1-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 50.108989][ T3952] pvrusb2: Attached sub-driver cx25840 [ 50.117789][ T3952] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 50.129015][ T3952] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 50.167466][ T3952] ------------[ cut here ]------------ [ 50.174109][ T3952] sysfs group 'power' not found for kobject 'i2c-1' [ 50.180816][ T3952] WARNING: CPU: 1 PID: 3952 at fs/sysfs/group.c:281 sysfs_remove_group+0x16e/0x280 [ 50.194850][ T3952] Modules linked in: [ 50.199109][ T3952] CPU: 1 PID: 3952 Comm: pvrusb2-context Not tainted 5.12.0-rc8-syzkaller #0 [ 50.213066][ T3952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.224655][ T3952] RIP: 0010:sysfs_remove_group+0x16e/0x280 [ 50.230485][ T3952] Code: 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 57 da c8 ff 49 8b 14 24 48 c7 c7 c0 1b 22 8a 4c 89 f6 31 c0 e8 32 bc 4e ff <0f> 0b 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 a0 59 82 ff 49 8d 5e 20 [ 50.252752][ T3952] RSP: 0018:ffffc9000307f988 EFLAGS: 00010246 [ 50.259210][ T3952] RAX: b99ebc47a3964000 RBX: ffff88802fb9e048 RCX: ffff88801def9c40 [ 50.268975][ T3952] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 50.278206][ T3952] RBP: 1ffffffff1519c68 R08: ffffffff8164f2f2 R09: ffffed10173a3f1c [ 50.286605][ T3952] R10: ffffed10173a3f1c R11: 0000000000000000 R12: ffff88802fb9e018 [ 50.295073][ T3952] R13: dffffc0000000000 R14: ffffffff8a8ce300 R15: ffff888013f9b488 [ 50.304086][ T3952] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 50.314152][ T3952] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.320755][ T3952] CR2: 00007efda09df018 CR3: 0000000025e72000 CR4: 00000000001506e0 [ 50.330183][ T3952] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.339529][ T3952] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.349161][ T3952] Call Trace: [ 50.353370][ T3952] device_del+0x2ed/0xc10 [ 50.357731][ T3952] ? kill_device+0x150/0x150 [ 50.364156][ T3952] ? i2c_del_adapter+0x289/0x7f0 [ 50.369120][ T3952] cdev_device_del+0x22/0xe0 [ 50.376608][ T3952] i2cdev_detach_adapter+0x24f/0x2c0 [ 50.382899][ T3952] i2cdev_notifier_call+0x38/0x60 [ 50.387940][ T3952] blocking_notifier_call_chain+0x108/0x1b0 [ 50.395354][ T3952] device_del+0x2de/0xc10 [ 50.399708][ T3952] ? kill_device+0x150/0x150 [ 50.406491][ T3952] device_unregister+0x1a/0xc0 [ 50.412325][ T3952] i2c_del_adapter+0x370/0x7f0 [ 50.417115][ T3952] pvr2_i2c_core_done+0x55/0xb0 [ 50.423435][ T3952] pvr2_hdw_destroy+0x150/0x2b0 [ 50.428307][ T3952] pvr2_context_destroy+0x7a/0x3c0 [ 50.434982][ T3952] ? pvr2_context_thread_func+0x415/0xb30 [ 50.440717][ T3952] pvr2_context_thread_func+0x41d/0xb30 [ 50.447756][ T3952] ? pvr2_context_global_init+0x60/0x60 [ 50.454689][ T3952] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 50.460621][ T3952] ? init_wait_entry+0xd0/0xd0 [ 50.464283][ T55] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 50.469836][ T3952] ? _raw_spin_lock+0x40/0x40 [ 50.481956][ T3952] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 50.488228][ T3952] ? _raw_spin_unlock+0x40/0x40 [ 50.494790][ T3952] ? __kthread_parkme+0x148/0x190 [ 50.499845][ T3952] ? pvr2_context_global_init+0x60/0x60 [ 50.505819][ T3952] kthread+0x39a/0x3c0 [ 50.509964][ T3952] ? pvr2_context_global_init+0x60/0x60 [ 50.516148][ T3952] ? kthread_blkcg+0xd0/0xd0 [ 50.520799][ T3952] ret_from_fork+0x1f/0x30 [ 50.525383][ T3952] Kernel panic - not syncing: panic_on_warn set ... [ 50.531970][ T3952] CPU: 0 PID: 3952 Comm: pvrusb2-context Not tainted 5.12.0-rc8-syzkaller #0 [ 50.540724][ T3952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.550757][ T3952] Call Trace: [ 50.554020][ T3952] dump_stack+0x202/0x31e [ 50.558333][ T3952] ? show_regs_print_info+0x12/0x12 [ 50.563564][ T3952] ? log_buf_vmcoreinfo_setup+0x45d/0x45d [ 50.569296][ T3952] panic+0x2e1/0x850 [ 50.573177][ T3952] ? __kernel_text_address+0x93/0x100 [ 50.578584][ T3952] ? __warn+0x13e/0x270 [ 50.582830][ T3952] ? nmi_panic+0x90/0x90 [ 50.587113][ T3952] ? ret_from_fork+0x1f/0x30 [ 50.591705][ T3952] __warn+0x26a/0x270 [ 50.595747][ T3952] ? sysfs_remove_group+0x16e/0x280 [ 50.601034][ T3952] ? sysfs_remove_group+0x16e/0x280 [ 50.606246][ T3952] report_bug+0x1b1/0x2e0 [ 50.610577][ T3952] handle_bug+0x3d/0x70 [ 50.614722][ T3952] exc_invalid_op+0x16/0x40 [ 50.619348][ T3952] asm_exc_invalid_op+0x12/0x20 [ 50.624200][ T3952] RIP: 0010:sysfs_remove_group+0x16e/0x280 [ 50.630101][ T3952] Code: 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 57 da c8 ff 49 8b 14 24 48 c7 c7 c0 1b 22 8a 4c 89 f6 31 c0 e8 32 bc 4e ff <0f> 0b 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 a0 59 82 ff 49 8d 5e 20 [ 50.649810][ T3952] RSP: 0018:ffffc9000307f988 EFLAGS: 00010246 [ 50.655870][ T3952] RAX: b99ebc47a3964000 RBX: ffff88802fb9e048 RCX: ffff88801def9c40 [ 50.663846][ T3952] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 50.671808][ T3952] RBP: 1ffffffff1519c68 R08: ffffffff8164f2f2 R09: ffffed10173a3f1c [ 50.679782][ T3952] R10: ffffed10173a3f1c R11: 0000000000000000 R12: ffff88802fb9e018 [ 50.687744][ T3952] R13: dffffc0000000000 R14: ffffffff8a8ce300 R15: ffff888013f9b488 [ 50.695713][ T3952] ? wake_up_klogd+0xb2/0xf0 [ 50.700316][ T3952] ? sysfs_remove_group+0x16e/0x280 [ 50.705503][ T3952] device_del+0x2ed/0xc10 [ 50.709829][ T3952] ? kill_device+0x150/0x150 [ 50.714411][ T3952] ? i2c_del_adapter+0x289/0x7f0 [ 50.719335][ T3952] cdev_device_del+0x22/0xe0 [ 50.723910][ T3952] i2cdev_detach_adapter+0x24f/0x2c0 [ 50.729190][ T3952] i2cdev_notifier_call+0x38/0x60 [ 50.734194][ T3952] blocking_notifier_call_chain+0x108/0x1b0 [ 50.740073][ T3952] device_del+0x2de/0xc10 [ 50.744391][ T3952] ? kill_device+0x150/0x150 [ 50.750011][ T3952] device_unregister+0x1a/0xc0 [ 50.754771][ T3952] i2c_del_adapter+0x370/0x7f0 [ 50.759532][ T3952] pvr2_i2c_core_done+0x55/0xb0 [ 50.764364][ T3952] pvr2_hdw_destroy+0x150/0x2b0 [ 50.769202][ T3952] pvr2_context_destroy+0x7a/0x3c0 [ 50.774328][ T3952] ? pvr2_context_thread_func+0x415/0xb30 [ 50.780034][ T3952] pvr2_context_thread_func+0x41d/0xb30 [ 50.785561][ T3952] ? pvr2_context_global_init+0x60/0x60 [ 50.791094][ T3952] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 50.796991][ T3952] ? init_wait_entry+0xd0/0xd0 [ 50.801747][ T3952] ? _raw_spin_lock+0x40/0x40 [ 50.806413][ T3952] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 50.812409][ T3952] ? _raw_spin_unlock+0x40/0x40 [ 50.817262][ T3952] ? __kthread_parkme+0x148/0x190 [ 50.822276][ T3952] ? pvr2_context_global_init+0x60/0x60 [ 50.827812][ T3952] kthread+0x39a/0x3c0 [ 50.831871][ T3952] ? pvr2_context_global_init+0x60/0x60 [ 50.837415][ T3952] ? kthread_blkcg+0xd0/0xd0 [ 50.841990][ T3952] ret_from_fork+0x1f/0x30 [ 50.847245][ T3952] Kernel Offset: disabled [ 50.851702][ T3952] Rebooting in 86400 seconds..