Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.23' (ECDSA) to the list of known hosts. syzkaller login: [ 54.907140][ T8438] chnl_net:caif_netlink_parms(): no params data found [ 54.949222][ T8438] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.957438][ T8438] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.965329][ T8438] device bridge_slave_0 entered promiscuous mode [ 54.974317][ T8438] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.981834][ T8438] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.989737][ T8438] device bridge_slave_1 entered promiscuous mode [ 55.005816][ T8438] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.017613][ T8438] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.035790][ T8438] team0: Port device team_slave_0 added [ 55.043336][ T8438] team0: Port device team_slave_1 added [ 55.058834][ T8438] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.065848][ T8438] 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. [ 55.092361][ T8438] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.105504][ T8438] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.112907][ T8438] 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. [ 55.139425][ T8438] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.162126][ T8438] device hsr_slave_0 entered promiscuous mode [ 55.168825][ T8438] device hsr_slave_1 entered promiscuous mode [ 55.247566][ T8438] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.262007][ T8438] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.270666][ T8438] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.282419][ T8438] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.303605][ T8438] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.311015][ T8438] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.318643][ T8438] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.325680][ T8438] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.361822][ T8438] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.375193][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.385288][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.393730][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.401627][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.413447][ T8438] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.423671][ T252] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.432541][ T252] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.439617][ T252] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.449650][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.459009][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.466023][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.489275][ T252] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.497812][ T252] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.505985][ T252] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.515267][ T252] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.524913][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.536054][ T8438] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.552485][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.560273][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.573389][ T8438] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.589758][ T252] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.607280][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.615356][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.623779][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.633788][ T8438] device veth0_vlan entered promiscuous mode [ 55.644483][ T8438] device veth1_vlan entered promiscuous mode [ 55.662913][ T252] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.670953][ T252] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.679614][ T252] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.690196][ T8438] device veth0_macvtap entered promiscuous mode [ 55.699995][ T8438] device veth1_macvtap entered promiscuous mode [ 55.714684][ T8438] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.722988][ T8646] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.733032][ T8646] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.744109][ T8438] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.752388][ T8646] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 55.763277][ T8438] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.775299][ T8438] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.785643][ T8438] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.796537][ T8438] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.096211][ T8646] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 56.456144][ T8646] usb 1-1: config 16 has an invalid interface number: 138 but max is 0 [ 56.465473][ T8646] usb 1-1: config 16 has no interface number 0 [ 56.626141][ T8646] usb 1-1: New USB device found, idVendor=1164, idProduct=0622, bcdDevice=9e.43 [ 56.636388][ T8646] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 56.644575][ T8646] usb 1-1: Product: syz [ 56.648850][ T8646] usb 1-1: Manufacturer: syz [ 56.653433][ T8646] usb 1-1: SerialNumber: syz [ 56.699254][ T8646] pvrusb2: Hardware description: Gotview USB 2.0 DVD 2 [ 56.928042][ T3967] pvrusb2: Invalid write control endpoint [ 56.930291][ T8646] usb 1-1: USB disconnect, device number 2 [ 56.990413][ T3967] pvrusb2: Invalid write control endpoint [ 56.996879][ T3967] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 57.008653][ T3967] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 57.016985][ T3967] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 57.029066][ T3967] pvrusb2: Device being rendered inoperable [ 57.035642][ T3967] cx25840 1-0044: Unable to detect h/w, assuming cx23887 [ 57.051919][ T3967] cx25840 1-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 57.063426][ T3967] pvrusb2: Attached sub-driver cx25840 [ 57.077697][ T3967] pvrusb2: Attempted to execute control transfer when device not ok [ 57.085849][ T3967] pvrusb2: Attempted to execute control transfer when device not ok [ 57.096260][ T3967] pvrusb2: Attempted to execute control transfer when device not ok [ 57.104236][ T3967] pvrusb2: Attempted to execute control transfer when device not ok [ 57.113609][ T3967] 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. [ 57.148497][ T3967] TUNER: Unable to find symbol tda829x_probe() [ 57.163064][ T3967] DVB: Unable to find symbol tda9887_attach() [ 57.172722][ T3967] tuner: 1-0043: Tuner 4 found with type(s) Radio TV. [ 57.182372][ T3967] pvrusb2: Attached sub-driver tuner [ 57.189598][ T3967] pvrusb2: ***WARNING*** pvrusb2 driver initialization failed due to the failure of one or more sub-device kernel modules. [ 57.203680][ T3967] 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. [ 57.250419][ T3967] ------------[ cut here ]------------ [ 57.267936][ T3967] sysfs group 'power' not found for kobject 'i2c-1' [ 57.274869][ T3967] WARNING: CPU: 1 PID: 3967 at fs/sysfs/group.c:279 sysfs_remove_group+0x126/0x170 [ 57.287022][ T3967] Modules linked in: [ 57.293280][ T3967] CPU: 1 PID: 3967 Comm: pvrusb2-context Not tainted 5.13.0-rc3-syzkaller #0 [ 57.309810][ T3967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.322096][ T3967] RIP: 0010:sysfs_remove_group+0x126/0x170 [ 57.328981][ T3967] 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 60 ad 7c 89 e8 8d a3 e3 06 <0f> 0b eb 98 e8 01 9e c8 ff e9 01 ff ff ff 48 89 df e8 f4 9d c8 ff [ 57.350935][ T3967] RSP: 0018:ffffc9000354fa38 EFLAGS: 00010286 [ 57.358462][ T3967] RAX: 0000000000000000 RBX: ffffffff89db4080 RCX: 0000000000000000 [ 57.368345][ T3967] RDX: ffff8880224454c0 RSI: ffffffff815cdf95 RDI: fffff520006a9f39 [ 57.376980][ T3967] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.384955][ T3967] R10: ffffffff815c7dfe R11: 0000000000000000 R12: ffff88802f14d018 [ 57.395007][ T3967] R13: ffffffff89db4620 R14: ffffffff8d0372a0 R15: ffffffff8d037120 [ 57.403752][ T3967] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 57.414477][ T3967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.421919][ T3967] CR2: 00007f95f007a000 CR3: 00000000206e6000 CR4: 0000000000350ee0 [ 57.431351][ T3967] Call Trace: [ 57.434637][ T3967] dpm_sysfs_remove+0x97/0xb0 [ 57.440216][ T3967] device_del+0x20c/0xd40 [ 57.444592][ T3967] ? __device_links_queue_sync_state+0x3f0/0x3f0 [ 57.445230][ T402] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.451204][ T3967] ? do_raw_spin_lock+0x120/0x2b0 [ 57.470426][ T3967] ? rwlock_bug.part.0+0x90/0x90 [ 57.476446][ T3967] cdev_device_del+0x19/0x100 [ 57.487404][ T3967] put_i2c_dev+0x160/0x1b0 [ 57.491917][ T3967] i2cdev_detach_adapter.part.0+0x10f/0x1a0 [ 57.497929][ T3967] i2cdev_notifier_call+0xad/0xc0 [ 57.502955][ T3967] notifier_call_chain+0xb5/0x200 [ 57.508924][ T3967] blocking_notifier_call_chain+0x67/0x90 [ 57.514851][ T3967] device_del+0x1ff/0xd40 [ 57.519888][ T3967] ? lock_downgrade+0x6e0/0x6e0 [ 57.524761][ T3967] ? __device_links_queue_sync_state+0x3f0/0x3f0 [ 57.531710][ T3967] ? lockdep_init_map_type+0x2c3/0x7b0 [ 57.537603][ T3967] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 57.543335][ T3967] ? lockdep_init_map_type+0x2c3/0x7b0 [ 57.548909][ T3967] device_unregister+0x22/0xc0 [ 57.553677][ T3967] i2c_del_adapter+0x4d6/0x680 [ 57.559014][ T3967] ? del_timer_sync+0x17e/0x1b0 [ 57.563871][ T3967] pvr2_i2c_core_done+0x69/0xc0 [ 57.569331][ T3967] pvr2_hdw_destroy+0x179/0x3b0 [ 57.574188][ T3967] pvr2_context_destroy+0x84/0x230 [ 57.579617][ T3967] pvr2_context_thread_func+0x64b/0x850 [ 57.585172][ T3967] ? pvr2_context_destroy+0x230/0x230 [ 57.590829][ T3967] ? finish_wait+0x260/0x260 [ 57.595430][ T3967] ? lockdep_hardirqs_on+0x79/0x100 [ 57.601370][ T3967] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 57.607905][ T3967] ? __kthread_parkme+0x13f/0x1e0 [ 57.612930][ T3967] ? pvr2_context_destroy+0x230/0x230 [ 57.618553][ T3967] kthread+0x3b1/0x4a0 [ 57.622795][ T3967] ? __kthread_bind_mask+0xc0/0xc0 [ 57.627972][ T3967] ret_from_fork+0x1f/0x30 [ 57.632399][ T3967] Kernel panic - not syncing: panic_on_warn set ... [ 57.638961][ T3967] CPU: 0 PID: 3967 Comm: pvrusb2-context Not tainted 5.13.0-rc3-syzkaller #0 [ 57.647697][ T3967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.657729][ T3967] Call Trace: [ 57.660990][ T3967] dump_stack+0x141/0x1d7 [ 57.665306][ T3967] panic+0x306/0x73d [ 57.669183][ T3967] ? __warn_printk+0xf3/0xf3 [ 57.673826][ T3967] ? __warn.cold+0x1a/0x44 [ 57.678283][ T3967] ? sysfs_remove_group+0x126/0x170 [ 57.683463][ T3967] __warn.cold+0x35/0x44 [ 57.687682][ T3967] ? wake_up_klogd.part.0+0x8e/0xd0 [ 57.692860][ T3967] ? sysfs_remove_group+0x126/0x170 [ 57.698036][ T3967] report_bug+0x1bd/0x210 [ 57.702348][ T3967] handle_bug+0x3c/0x60 [ 57.706482][ T3967] exc_invalid_op+0x14/0x40 [ 57.710966][ T3967] asm_exc_invalid_op+0x12/0x20 [ 57.715790][ T3967] RIP: 0010:sysfs_remove_group+0x126/0x170 [ 57.721580][ T3967] 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 60 ad 7c 89 e8 8d a3 e3 06 <0f> 0b eb 98 e8 01 9e c8 ff e9 01 ff ff ff 48 89 df e8 f4 9d c8 ff [ 57.741170][ T3967] RSP: 0018:ffffc9000354fa38 EFLAGS: 00010286 [ 57.747217][ T3967] RAX: 0000000000000000 RBX: ffffffff89db4080 RCX: 0000000000000000 [ 57.755167][ T3967] RDX: ffff8880224454c0 RSI: ffffffff815cdf95 RDI: fffff520006a9f39 [ 57.763113][ T3967] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.771065][ T3967] R10: ffffffff815c7dfe R11: 0000000000000000 R12: ffff88802f14d018 [ 57.779028][ T3967] R13: ffffffff89db4620 R14: ffffffff8d0372a0 R15: ffffffff8d037120 [ 57.786981][ T3967] ? wake_up_klogd.part.0+0x8e/0xd0 [ 57.792162][ T3967] ? vprintk+0x95/0x260 [ 57.796295][ T3967] ? sysfs_remove_group+0x126/0x170 [ 57.801472][ T3967] dpm_sysfs_remove+0x97/0xb0 [ 57.806129][ T3967] device_del+0x20c/0xd40 [ 57.810439][ T3967] ? __device_links_queue_sync_state+0x3f0/0x3f0 [ 57.816745][ T3967] ? do_raw_spin_lock+0x120/0x2b0 [ 57.821747][ T3967] ? rwlock_bug.part.0+0x90/0x90 [ 57.826664][ T3967] cdev_device_del+0x19/0x100 [ 57.831324][ T3967] put_i2c_dev+0x160/0x1b0 [ 57.835718][ T3967] i2cdev_detach_adapter.part.0+0x10f/0x1a0 [ 57.841590][ T3967] i2cdev_notifier_call+0xad/0xc0 [ 57.846593][ T3967] notifier_call_chain+0xb5/0x200 [ 57.851602][ T3967] blocking_notifier_call_chain+0x67/0x90 [ 57.857304][ T3967] device_del+0x1ff/0xd40 [ 57.861614][ T3967] ? lock_downgrade+0x6e0/0x6e0 [ 57.866442][ T3967] ? __device_links_queue_sync_state+0x3f0/0x3f0 [ 57.872749][ T3967] ? lockdep_init_map_type+0x2c3/0x7b0 [ 57.878399][ T3967] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 57.884678][ T3967] ? lockdep_init_map_type+0x2c3/0x7b0 [ 57.890122][ T3967] device_unregister+0x22/0xc0 [ 57.894868][ T3967] i2c_del_adapter+0x4d6/0x680 [ 57.899677][ T3967] ? del_timer_sync+0x17e/0x1b0 [ 57.904508][ T3967] pvr2_i2c_core_done+0x69/0xc0 [ 57.909341][ T3967] pvr2_hdw_destroy+0x179/0x3b0 [ 57.914171][ T3967] pvr2_context_destroy+0x84/0x230 [ 57.919263][ T3967] pvr2_context_thread_func+0x64b/0x850 [ 57.924806][ T3967] ? pvr2_context_destroy+0x230/0x230 [ 57.930162][ T3967] ? finish_wait+0x260/0x260 [ 57.934731][ T3967] ? lockdep_hardirqs_on+0x79/0x100 [ 57.939908][ T3967] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 57.946129][ T3967] ? __kthread_parkme+0x13f/0x1e0 [ 57.951149][ T3967] ? pvr2_context_destroy+0x230/0x230 [ 57.956503][ T3967] kthread+0x3b1/0x4a0 [ 57.960550][ T3967] ? __kthread_bind_mask+0xc0/0xc0 [ 57.965639][ T3967] ret_from_fork+0x1f/0x30 [ 57.975904][ T3967] Kernel Offset: disabled [ 57.980367][ T3967] Rebooting in 86400 seconds..