Warning: Permanently added '10.128.0.123' (ECDSA) to the list of known hosts. syzkaller login: [ 56.174247][ T8375] IPVS: ftp: loaded support on port[0] = 21 [ 56.281592][ T8375] chnl_net:caif_netlink_parms(): no params data found [ 56.334282][ T8375] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.342376][ T8375] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.355363][ T8375] device bridge_slave_0 entered promiscuous mode [ 56.368835][ T8375] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.376405][ T8375] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.385555][ T8375] device bridge_slave_1 entered promiscuous mode [ 56.407552][ T8375] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.420909][ T8375] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.444379][ T8375] team0: Port device team_slave_0 added [ 56.452740][ T8375] team0: Port device team_slave_1 added [ 56.470638][ T8375] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.478372][ T8375] 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. [ 56.510017][ T8375] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.524662][ T8375] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.532234][ T8375] 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. [ 56.560499][ T8375] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.588333][ T8375] device hsr_slave_0 entered promiscuous mode [ 56.595239][ T8375] device hsr_slave_1 entered promiscuous mode [ 56.701035][ T8375] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.715556][ T8375] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.727423][ T8375] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.753050][ T8375] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.797676][ T8375] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.806301][ T8375] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.814727][ T8375] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.822052][ T8375] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.866468][ T8375] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.882417][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.895603][ T4835] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.906885][ T4835] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.917511][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 56.934494][ T8375] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.948698][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.959817][ T37] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.966949][ T37] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.982074][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.991150][ T37] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.999323][ T37] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.019704][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.029982][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.049288][ T3303] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.059626][ T3303] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.068086][ T3303] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.082579][ T8375] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.100525][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.109921][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.122588][ T8375] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.143378][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.163622][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.175854][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.185465][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.197188][ T8375] device veth0_vlan entered promiscuous mode [ 57.212925][ T8375] device veth1_vlan entered promiscuous mode [ 57.236635][ T3303] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.245681][ T3303] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.257224][ T3303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.270740][ T8375] device veth0_macvtap entered promiscuous mode [ 57.283409][ T8375] device veth1_macvtap entered promiscuous mode [ 57.302719][ T8375] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.311129][ T3303] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 57.321291][ T3303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.334167][ T8375] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.342954][ T3303] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 57.353166][ T3303] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.365785][ T8375] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.376020][ T8375] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 57.392541][ T8375] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.402521][ T8375] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.738893][ T5] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 57.998553][ T5] usb 1-1: Using ep0 maxpacket: 16 [ 58.118501][ T5] usb 1-1: config 0 has an invalid interface number: 121 but max is 0 [ 58.128165][ T5] usb 1-1: config 0 has no interface number 0 [ 58.137617][ T5] usb 1-1: config 0 interface 121 altsetting 0 has a duplicate endpoint with address 0xF, skipping [ 58.308678][ T5] usb 1-1: New USB device found, idVendor=1164, idProduct=0622, bcdDevice=8e.9f [ 58.318004][ T5] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 58.327625][ T5] usb 1-1: Product: syz [ 58.332692][ T5] usb 1-1: Manufacturer: syz [ 58.337317][ T5] usb 1-1: SerialNumber: syz [ 58.349774][ T5] usb 1-1: config 0 descriptor?? [ 58.392365][ T5] pvrusb2: Hardware description: Gotview USB 2.0 DVD 2 [ 58.600110][ T3951] pvrusb2: Invalid write control endpoint [ 58.617081][ T5] usb 1-1: USB disconnect, device number 2 [ 58.777087][ T3951] pvrusb2: Invalid write control endpoint [ 58.788310][ T3951] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 58.798020][ T3951] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 58.828819][ T3951] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 58.856021][ T3951] pvrusb2: Device being rendered inoperable [ 58.865062][ T3951] cx25840 1-0044: Unable to detect h/w, assuming cx23887 [ 58.875673][ T3951] cx25840 1-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 58.889000][ T3951] pvrusb2: Attached sub-driver cx25840 [ 58.906895][ T3951] pvrusb2: Attempted to execute control transfer when device not ok [ 58.915947][ T3951] pvrusb2: Attempted to execute control transfer when device not ok [ 58.926468][ T3951] pvrusb2: Attempted to execute control transfer when device not ok [ 58.936359][ T3951] pvrusb2: Attempted to execute control transfer when device not ok [ 58.946258][ T3951] pvrusb2: Module ID 4 (tuner) for device Gotview USB 2.0 DVD 2 failed to load. Possible missing sub-device kernel module or initialization failure within module. [ 59.003050][ T3951] TUNER: Unable to find symbol tda829x_probe() [ 59.022801][ T3951] DVB: Unable to find symbol tda9887_attach() [ 59.031851][ T3951] tuner: 1-0043: Tuner 4 found with type(s) Radio TV. [ 59.042195][ T3951] pvrusb2: Attached sub-driver tuner [ 59.047832][ T3951] pvrusb2: ***WARNING*** pvrusb2 driver initialization failed due to the failure of one or more sub-device kernel modules. [ 59.068638][ T3951] pvrusb2: You need to resolve the failing condition before this driver can function. There should be some earlier messages giving more information about the problem. [ 59.119247][ T3951] ------------[ cut here ]------------ [ 59.124747][ T3951] sysfs group 'power' not found for kobject '1-0043' [ 59.136288][ T3951] WARNING: CPU: 0 PID: 3951 at fs/sysfs/group.c:281 sysfs_remove_group+0x16e/0x280 [ 59.149954][ T3951] Modules linked in: [ 59.153920][ T3951] CPU: 0 PID: 3951 Comm: pvrusb2-context Not tainted 5.12.0-rc5-syzkaller #0 [ 59.166798][ T3951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.179518][ T3951] RIP: 0010:sysfs_remove_group+0x16e/0x280 [ 59.182315][ T8164] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 59.185491][ T3951] Code: 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 c7 96 cb ff 49 8b 14 24 48 c7 c7 80 18 c2 89 4c 89 f6 31 c0 e8 72 94 56 ff <0f> 0b 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e0 af 87 ff 49 8d 5e 20 [ 59.185514][ T3951] RSP: 0018:ffffc9000325fc08 EFLAGS: 00010246 [ 59.185534][ T3951] RAX: f6acbc5099e88b00 RBX: ffff88801f1a2050 RCX: ffff88801dc50000 [ 59.185546][ T3951] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 59.241199][ T3951] RBP: 1ffffffff1459be0 R08: ffffffff8160b612 R09: ffffed1017385fe8 [ 59.251672][ T3951] R10: ffffed1017385fe8 R11: 0000000000000000 R12: ffff88801f1a2020 [ 59.260914][ T3951] R13: dffffc0000000000 R14: ffffffff8a2cdec0 R15: ffff888025b122b8 [ 59.269281][ T3951] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 59.278400][ T3951] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.286720][ T3951] CR2: 00007eff67f39008 CR3: 000000000c48e000 CR4: 00000000001506f0 [ 59.297639][ T3951] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.307082][ T3951] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.317302][ T3951] Call Trace: [ 59.322417][ T3951] device_del+0x26a/0xa90 [ 59.327873][ T3951] ? kobject_cleanup+0x1db/0x280 [ 59.333614][ T3951] device_unregister+0x1a/0xc0 [ 59.339320][ T3951] __unregister_client+0x15b/0x180 [ 59.344780][ T3951] ? __process_removed_adapter+0x30/0x30 [ 59.351159][ T3951] device_for_each_child+0x9c/0x100 [ 59.356534][ T3951] i2c_del_adapter+0x234/0x7f0 [ 59.362835][ T3951] pvr2_i2c_core_done+0x55/0xb0 [ 59.368811][ T3951] pvr2_hdw_destroy+0x150/0x2b0 [ 59.374008][ T3951] pvr2_context_destroy+0x7a/0x3c0 [ 59.381379][ T3951] ? pvr2_context_thread_func+0x3d5/0xa90 [ 59.388679][ T3951] pvr2_context_thread_func+0x3dd/0xa90 [ 59.394861][ T3951] ? init_wait_entry+0xd0/0xd0 [ 59.400266][ T3951] ? pvr2_context_global_init+0x60/0x60 [ 59.405988][ T3951] kthread+0x39a/0x3c0 [ 59.410793][ T3951] ? pvr2_context_global_init+0x60/0x60 [ 59.418609][ T3951] ? kthread_blkcg+0xd0/0xd0 [ 59.424297][ T3951] ret_from_fork+0x1f/0x30 [ 59.431275][ T3951] Kernel panic - not syncing: panic_on_warn set ... [ 59.438386][ T3951] CPU: 1 PID: 3951 Comm: pvrusb2-context Not tainted 5.12.0-rc5-syzkaller #0 [ 59.447787][ T3951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.459112][ T3951] Call Trace: [ 59.462471][ T3951] dump_stack+0x176/0x24e [ 59.467182][ T3951] panic+0x291/0x800 [ 59.471963][ T3951] ? __warn+0x13e/0x270 [ 59.477065][ T3951] __warn+0x26a/0x270 [ 59.481475][ T3951] ? sysfs_remove_group+0x16e/0x280 [ 59.487402][ T3951] ? sysfs_remove_group+0x16e/0x280 [ 59.493074][ T3951] report_bug+0x1b1/0x2e0 [ 59.498979][ T3951] handle_bug+0x3d/0x70 [ 59.504174][ T3951] exc_invalid_op+0x16/0x40 [ 59.510274][ T3951] asm_exc_invalid_op+0x12/0x20 [ 59.515269][ T3951] RIP: 0010:sysfs_remove_group+0x16e/0x280 [ 59.521205][ T3951] Code: 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 c7 96 cb ff 49 8b 14 24 48 c7 c7 80 18 c2 89 4c 89 f6 31 c0 e8 72 94 56 ff <0f> 0b 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e0 af 87 ff 49 8d 5e 20 [ 59.543449][ T3951] RSP: 0018:ffffc9000325fc08 EFLAGS: 00010246 [ 59.549839][ T3951] RAX: f6acbc5099e88b00 RBX: ffff88801f1a2050 RCX: ffff88801dc50000 [ 59.558449][ T3951] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 59.567078][ T3951] RBP: 1ffffffff1459be0 R08: ffffffff8160b612 R09: ffffed1017385fe8 [ 59.575183][ T3951] R10: ffffed1017385fe8 R11: 0000000000000000 R12: ffff88801f1a2020 [ 59.583223][ T3951] R13: dffffc0000000000 R14: ffffffff8a2cdec0 R15: ffff888025b122b8 [ 59.591422][ T3951] ? wake_up_klogd+0xb2/0xf0 [ 59.596175][ T3951] ? sysfs_remove_group+0x16e/0x280 [ 59.604299][ T3951] device_del+0x26a/0xa90 [ 59.608788][ T3951] ? kobject_cleanup+0x1db/0x280 [ 59.613961][ T3951] device_unregister+0x1a/0xc0 [ 59.618869][ T3951] __unregister_client+0x15b/0x180 [ 59.624339][ T3951] ? __process_removed_adapter+0x30/0x30 [ 59.630014][ T3951] device_for_each_child+0x9c/0x100 [ 59.635542][ T3951] i2c_del_adapter+0x234/0x7f0 [ 59.640362][ T3951] pvr2_i2c_core_done+0x55/0xb0 [ 59.645265][ T3951] pvr2_hdw_destroy+0x150/0x2b0 [ 59.650153][ T3951] pvr2_context_destroy+0x7a/0x3c0 [ 59.655305][ T3951] ? pvr2_context_thread_func+0x3d5/0xa90 [ 59.661179][ T3951] pvr2_context_thread_func+0x3dd/0xa90 [ 59.667031][ T3951] ? init_wait_entry+0xd0/0xd0 [ 59.671835][ T3951] ? pvr2_context_global_init+0x60/0x60 [ 59.677593][ T3951] kthread+0x39a/0x3c0 [ 59.681703][ T3951] ? pvr2_context_global_init+0x60/0x60 [ 59.687295][ T3951] ? kthread_blkcg+0xd0/0xd0 [ 59.691961][ T3951] ret_from_fork+0x1f/0x30 [ 59.697441][ T3951] Kernel Offset: disabled [ 59.702225][ T3951] Rebooting in 86400 seconds..