Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.134' (ECDSA) to the list of known hosts. syzkaller login: [ 64.564897][ T8449] chnl_net:caif_netlink_parms(): no params data found [ 64.612418][ T8449] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.619779][ T8449] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.629313][ T8449] device bridge_slave_0 entered promiscuous mode [ 64.637984][ T8449] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.645595][ T8449] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.653559][ T8449] device bridge_slave_1 entered promiscuous mode [ 64.674095][ T8449] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.685128][ T8449] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.707407][ T8449] team0: Port device team_slave_0 added [ 64.715185][ T8449] team0: Port device team_slave_1 added [ 64.731539][ T8449] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.738571][ T8449] 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. [ 64.765774][ T8449] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.778926][ T8449] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.786973][ T8449] 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. [ 64.815010][ T8449] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.840182][ T8449] device hsr_slave_0 entered promiscuous mode [ 64.846986][ T8449] device hsr_slave_1 entered promiscuous mode [ 64.937131][ T8449] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.948360][ T8449] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.958621][ T8449] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.967903][ T8449] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.989535][ T8449] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.996668][ T8449] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.004488][ T8449] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.011629][ T8449] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.053015][ T8449] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.065971][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.075321][ T36] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.084810][ T36] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.093179][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 65.107218][ T8449] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.117217][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.126606][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.133774][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.150604][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.158875][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.165968][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.178578][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.195121][ T8449] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.207682][ T8449] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.220950][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.228808][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.237680][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.246866][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.259386][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.273481][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.281640][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.294436][ T8449] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.321804][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.331799][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.339861][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.348536][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.358479][ T8449] device veth0_vlan entered promiscuous mode [ 65.371934][ T8449] device veth1_vlan entered promiscuous mode [ 65.391938][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.399763][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.409356][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 65.419577][ T8449] device veth0_macvtap entered promiscuous mode [ 65.431723][ T8449] device veth1_macvtap entered promiscuous mode [ 65.449088][ T8449] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.457583][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 65.467824][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 65.479408][ T8449] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.487817][ T4860] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 65.499403][ T8449] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.509291][ T8449] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.518337][ T8449] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.527783][ T8449] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.611637][ T223] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.619602][ T223] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.634907][ T4875] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 65.660043][ T223] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.668004][ T223] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.678632][ T4875] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.970368][ T8] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 66.210282][ T8] usb 1-1: Using ep0 maxpacket: 8 [ 66.333559][ T8] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 66.411426][ T4860] Bluetooth: hci0: command 0x0409 tx timeout [ 66.500444][ T8] usb 1-1: New USB device found, idVendor=1164, idProduct=0622, bcdDevice=f7.d7 [ 66.509641][ T8] usb 1-1: New USB device strings: Mfr=69, Product=191, SerialNumber=179 [ 66.519185][ T8] usb 1-1: Product: syz [ 66.524224][ T8] usb 1-1: Manufacturer: syz [ 66.528813][ T8] usb 1-1: SerialNumber: syz [ 66.540935][ T8] usb 1-1: config 0 descriptor?? [ 66.824100][ T8] pvrusb2: Hardware description: Gotview USB 2.0 DVD 2 [ 66.871400][ T3980] pvrusb2: Invalid write control endpoint [ 66.874076][ T8] usb 1-1: USB disconnect, device number 2 [ 66.932648][ T3980] pvrusb2: Invalid write control endpoint [ 66.938586][ T3980] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 66.960555][ T3980] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 66.968197][ T3980] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 66.997935][ T3980] pvrusb2: Device being rendered inoperable [ 67.013467][ T3980] cx25840 1-0044: Unable to detect h/w, assuming cx23887 [ 67.022849][ T3980] cx25840 1-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 67.034121][ T3980] pvrusb2: Attached sub-driver cx25840 [ 67.051619][ T3980] pvrusb2: Attempted to execute control transfer when device not ok [ 67.059814][ T3980] pvrusb2: Attempted to execute control transfer when device not ok [ 67.069657][ T3980] pvrusb2: Attempted to execute control transfer when device not ok [ 67.080514][ T3980] pvrusb2: Attempted to execute control transfer when device not ok [ 67.088510][ T3980] 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. [ 67.153590][ T3980] TUNER: Unable to find symbol tda829x_probe() [ 67.176821][ T3980] DVB: Unable to find symbol tda9887_attach() [ 67.183747][ T3980] tuner: 1-0043: Tuner 4 found with type(s) Radio TV. [ 67.193135][ T3980] pvrusb2: Attached sub-driver tuner [ 67.198427][ T3980] pvrusb2: ***WARNING*** pvrusb2 driver initialization failed due to the failure of one or more sub-device kernel modules. [ 67.213101][ T3980] 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. [ 67.250349][ T3980] ------------[ cut here ]------------ [ 67.255822][ T3980] sysfs group 'power' not found for kobject '1-0044' [ 67.266687][ T3980] WARNING: CPU: 0 PID: 3980 at fs/sysfs/group.c:279 sysfs_remove_group+0x126/0x170 [ 67.276384][ T3980] Modules linked in: [ 67.280435][ T3980] CPU: 0 PID: 3980 Comm: pvrusb2-context Not tainted 5.13.0-rc7-syzkaller #0 [ 67.289369][ T3980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.302701][ T3980] RIP: 0010:sysfs_remove_group+0x126/0x170 [ 67.308528][ T3980] Code: 48 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 37 48 8b 33 48 c7 c7 e0 ad 7c 89 e8 d5 11 e4 06 <0f> 0b eb 98 e8 b1 8f c8 ff e9 01 ff ff ff 48 89 df e8 a4 8f c8 ff [ 67.330413][ T3980] RSP: 0018:ffffc900034dfb80 EFLAGS: 00010286 [ 67.336627][ T3980] RAX: 0000000000000000 RBX: ffffffff89db42e0 RCX: 0000000000000000 [ 67.345196][ T3980] RDX: ffff8880220b0000 RSI: ffffffff815ce3a5 RDI: fffff5200069bf62 [ 67.346776][ T223] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.353299][ T3980] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 67.374013][ T3980] R10: ffffffff815c820e R11: 0000000000000000 R12: ffff88802093a020 [ 67.383336][ T3980] R13: ffffffff89db4880 R14: 1ffff9200069bf98 R15: dffffc0000000000 [ 67.391929][ T3980] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 67.401423][ T3980] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.408017][ T3980] CR2: 0000564b23d46458 CR3: 000000002b458000 CR4: 00000000001506e0 [ 67.416645][ T3980] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.424754][ T3980] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.433243][ T3980] Call Trace: [ 67.436558][ T3980] ? i2c_adapter_lock_bus+0x130/0x130 [ 67.442083][ T3980] dpm_sysfs_remove+0x97/0xb0 [ 67.446896][ T3980] device_del+0x20c/0xd40 [ 67.451402][ T3980] ? __device_links_queue_sync_state+0x3f0/0x3f0 [ 67.458378][ T3980] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 67.464623][ T3980] ? lockdep_hardirqs_on+0x79/0x100 [ 67.469842][ T3980] ? dev_fwnode+0x79/0x90 [ 67.474237][ T3980] ? i2c_adapter_lock_bus+0x130/0x130 [ 67.479620][ T3980] device_unregister+0x22/0xc0 [ 67.484506][ T3980] ? i2c_adapter_lock_bus+0x130/0x130 [ 67.490241][ T3980] __unregister_client+0x95/0xa0 [ 67.495217][ T3980] device_for_each_child+0xf9/0x170 [ 67.501945][ T3980] ? device_remove_class_symlinks+0x210/0x210 [ 67.508022][ T3980] ? __radix_tree_lookup+0x211/0x2a0 [ 67.513379][ T3980] i2c_del_adapter+0x37b/0x680 [ 67.518148][ T3980] ? del_timer_sync+0x17e/0x1b0 [ 67.523781][ T3980] pvr2_i2c_core_done+0x69/0xc0 [ 67.528661][ T3980] pvr2_hdw_destroy+0x179/0x3b0 [ 67.534629][ T3980] pvr2_context_destroy+0x84/0x230 [ 67.539755][ T3980] pvr2_context_thread_func+0x64b/0x850 [ 67.545448][ T3980] ? pvr2_context_destroy+0x230/0x230 [ 67.551118][ T3980] ? finish_wait+0x260/0x260 [ 67.555714][ T3980] ? lockdep_hardirqs_on+0x79/0x100 [ 67.561247][ T3980] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 67.567552][ T3980] ? __kthread_parkme+0x13f/0x1e0 [ 67.573424][ T3980] ? pvr2_context_destroy+0x230/0x230 [ 67.578900][ T3980] kthread+0x3b1/0x4a0 [ 67.583150][ T3980] ? __kthread_bind_mask+0xc0/0xc0 [ 67.588287][ T3980] ret_from_fork+0x1f/0x30 [ 67.593598][ T3980] Kernel panic - not syncing: panic_on_warn set ... [ 67.600189][ T3980] CPU: 0 PID: 3980 Comm: pvrusb2-context Not tainted 5.13.0-rc7-syzkaller #0 [ 67.608932][ T3980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.619060][ T3980] Call Trace: [ 67.622355][ T3980] dump_stack+0x141/0x1d7 [ 67.626695][ T3980] panic+0x306/0x73d [ 67.630585][ T3980] ? __warn_printk+0xf3/0xf3 [ 67.635165][ T3980] ? __warn.cold+0x1a/0x44 [ 67.639583][ T3980] ? sysfs_remove_group+0x126/0x170 [ 67.644784][ T3980] __warn.cold+0x35/0x44 [ 67.649136][ T3980] ? sysfs_remove_group+0x126/0x170 [ 67.654331][ T3980] report_bug+0x1bd/0x210 [ 67.658654][ T3980] handle_bug+0x3c/0x60 [ 67.662799][ T3980] exc_invalid_op+0x14/0x40 [ 67.667331][ T3980] asm_exc_invalid_op+0x12/0x20 [ 67.672281][ T3980] RIP: 0010:sysfs_remove_group+0x126/0x170 [ 67.678216][ T3980] Code: 48 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 37 48 8b 33 48 c7 c7 e0 ad 7c 89 e8 d5 11 e4 06 <0f> 0b eb 98 e8 b1 8f c8 ff e9 01 ff ff ff 48 89 df e8 a4 8f c8 ff [ 67.697813][ T3980] RSP: 0018:ffffc900034dfb80 EFLAGS: 00010286 [ 67.703864][ T3980] RAX: 0000000000000000 RBX: ffffffff89db42e0 RCX: 0000000000000000 [ 67.711851][ T3980] RDX: ffff8880220b0000 RSI: ffffffff815ce3a5 RDI: fffff5200069bf62 [ 67.719806][ T3980] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 67.727758][ T3980] R10: ffffffff815c820e R11: 0000000000000000 R12: ffff88802093a020 [ 67.735710][ T3980] R13: ffffffff89db4880 R14: 1ffff9200069bf98 R15: dffffc0000000000 [ 67.743672][ T3980] ? wake_up_klogd.part.0+0x8e/0xd0 [ 67.748883][ T3980] ? vprintk+0x95/0x260 [ 67.753030][ T3980] ? i2c_adapter_lock_bus+0x130/0x130 [ 67.758403][ T3980] dpm_sysfs_remove+0x97/0xb0 [ 67.763063][ T3980] device_del+0x20c/0xd40 [ 67.767380][ T3980] ? __device_links_queue_sync_state+0x3f0/0x3f0 [ 67.773688][ T3980] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 67.779501][ T3980] ? lockdep_hardirqs_on+0x79/0x100 [ 67.784696][ T3980] ? dev_fwnode+0x79/0x90 [ 67.789004][ T3980] ? i2c_adapter_lock_bus+0x130/0x130 [ 67.794375][ T3980] device_unregister+0x22/0xc0 [ 67.799122][ T3980] ? i2c_adapter_lock_bus+0x130/0x130 [ 67.804491][ T3980] __unregister_client+0x95/0xa0 [ 67.809441][ T3980] device_for_each_child+0xf9/0x170 [ 67.814630][ T3980] ? device_remove_class_symlinks+0x210/0x210 [ 67.820686][ T3980] ? __radix_tree_lookup+0x211/0x2a0 [ 67.826031][ T3980] i2c_del_adapter+0x37b/0x680 [ 67.830801][ T3980] ? del_timer_sync+0x17e/0x1b0 [ 67.835635][ T3980] pvr2_i2c_core_done+0x69/0xc0 [ 67.840473][ T3980] pvr2_hdw_destroy+0x179/0x3b0 [ 67.845312][ T3980] pvr2_context_destroy+0x84/0x230 [ 67.850403][ T3980] pvr2_context_thread_func+0x64b/0x850 [ 67.855932][ T3980] ? pvr2_context_destroy+0x230/0x230 [ 67.861284][ T3980] ? finish_wait+0x260/0x260 [ 67.865856][ T3980] ? lockdep_hardirqs_on+0x79/0x100 [ 67.871035][ T3980] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 67.877346][ T3980] ? __kthread_parkme+0x13f/0x1e0 [ 67.882374][ T3980] ? pvr2_context_destroy+0x230/0x230 [ 67.887722][ T3980] kthread+0x3b1/0x4a0 [ 67.891813][ T3980] ? __kthread_bind_mask+0xc0/0xc0 [ 67.896923][ T3980] ret_from_fork+0x1f/0x30 [ 67.902218][ T3980] Kernel Offset: disabled [ 67.906626][ T3980] Rebooting in 86400 seconds..