Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts. 2021/09/09 22:46:46 parsed 1 programs 2021/09/09 22:46:46 executed programs: 0 syzkaller login: [ 1577.813481][ T6534] chnl_net:caif_netlink_parms(): no params data found [ 1577.889856][ T6534] bridge0: port 1(bridge_slave_0) entered blocking state [ 1577.898178][ T6534] bridge0: port 1(bridge_slave_0) entered disabled state [ 1577.906539][ T6534] device bridge_slave_0 entered promiscuous mode [ 1577.915697][ T6534] bridge0: port 2(bridge_slave_1) entered blocking state [ 1577.926797][ T6534] bridge0: port 2(bridge_slave_1) entered disabled state [ 1577.934953][ T6534] device bridge_slave_1 entered promiscuous mode [ 1577.965619][ T6534] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1577.976675][ T6534] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1578.010442][ T6534] team0: Port device team_slave_0 added [ 1578.017473][ T6534] team0: Port device team_slave_1 added [ 1578.045745][ T6534] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1578.052778][ T6534] 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. [ 1578.079974][ T6534] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1578.092638][ T6534] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1578.099653][ T6534] 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. [ 1578.125608][ T6534] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1578.162756][ T6534] device hsr_slave_0 entered promiscuous mode [ 1578.170259][ T6534] device hsr_slave_1 entered promiscuous mode [ 1578.289155][ T6534] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1578.299082][ T6534] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1578.309847][ T6534] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1578.319003][ T6534] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1578.342112][ T6534] bridge0: port 2(bridge_slave_1) entered blocking state [ 1578.349292][ T6534] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1578.356902][ T6534] bridge0: port 1(bridge_slave_0) entered blocking state [ 1578.364068][ T6534] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1578.407817][ T6534] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1578.422094][ T6701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1578.433429][ T6701] bridge0: port 1(bridge_slave_0) entered disabled state [ 1578.443204][ T6701] bridge0: port 2(bridge_slave_1) entered disabled state [ 1578.453180][ T6701] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1578.466660][ T6534] 8021q: adding VLAN 0 to HW filter on device team0 [ 1578.479598][ T6870] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1578.487906][ T6870] bridge0: port 1(bridge_slave_0) entered blocking state [ 1578.495015][ T6870] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1578.520921][ T6870] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1578.529548][ T6870] bridge0: port 2(bridge_slave_1) entered blocking state [ 1578.536584][ T6870] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1578.545536][ T6870] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1578.554202][ T6870] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1578.562852][ T6870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1578.575556][ T6701] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1578.583672][ T6701] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1578.596250][ T6534] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1578.614663][ T6701] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1578.622413][ T6701] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1578.636611][ T6534] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1578.654660][ T1051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1578.675380][ T6701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1578.683597][ T6701] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1578.691477][ T6701] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1578.702330][ T6534] device veth0_vlan entered promiscuous mode [ 1578.714315][ T6534] device veth1_vlan entered promiscuous mode [ 1578.734832][ T6534] device veth0_macvtap entered promiscuous mode [ 1578.742706][ T6700] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1578.752047][ T6700] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1578.760673][ T6700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1578.769941][ T6700] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1578.780768][ T6534] device veth1_macvtap entered promiscuous mode [ 1578.797093][ T6534] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1578.805389][ T6872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1578.820215][ T6534] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1578.827545][ T6701] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1578.837687][ T6701] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1578.850898][ T6534] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1578.860091][ T6534] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1578.876277][ T6534] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1578.885387][ T6534] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1578.969004][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1578.976956][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1578.995437][ T6636] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1579.000837][ T6700] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1579.005304][ T6636] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1579.022484][ T6701] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1579.670465][ T6701] Bluetooth: hci0: command 0x0409 tx timeout 2021/09/09 22:46:51 executed programs: 78 [ 1581.748712][ T6701] Bluetooth: hci0: command 0x041b tx timeout [ 1583.838197][ T6870] Bluetooth: hci0: command 0x040f tx timeout [ 1585.907997][ T1054] Bluetooth: hci0: command 0x0419 tx timeout 2021/09/09 22:46:56 executed programs: 249 2021/09/09 22:47:01 executed programs: 418 2021/09/09 22:47:06 executed programs: 594 [ 1598.121209][ T1115] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1598.499021][ T1115] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1598.904736][ T1115] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1599.321349][ T1115] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1600.893693][ T9267] chnl_net:caif_netlink_parms(): no params data found [ 1601.245005][ T9267] bridge0: port 1(bridge_slave_0) entered blocking state [ 1601.253645][ T9267] bridge0: port 1(bridge_slave_0) entered disabled state [ 1601.262215][ T9267] device bridge_slave_0 entered promiscuous mode [ 1601.270976][ T9267] bridge0: port 2(bridge_slave_1) entered blocking state [ 1601.278535][ T9267] bridge0: port 2(bridge_slave_1) entered disabled state [ 1601.286158][ T9267] device bridge_slave_1 entered promiscuous mode [ 1601.611125][ T9267] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1601.622216][ T9267] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1601.664926][ T9267] team0: Port device team_slave_0 added [ 1601.672227][ T9267] team0: Port device team_slave_1 added [ 1602.002578][ T9267] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1602.009908][ T9267] 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. [ 1602.036006][ T9267] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1602.048066][ T9267] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1602.055149][ T9267] 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. [ 1602.082410][ T9267] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1602.306455][ T6700] Bluetooth: hci0: command 0x0409 tx timeout [ 1602.411684][ T9267] device hsr_slave_0 entered promiscuous mode [ 1602.419065][ T9267] device hsr_slave_1 entered promiscuous mode [ 1602.425532][ T9267] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1602.434549][ T9267] Cannot create hsr debugfs directory [ 1603.426000][ T9267] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1603.746558][ T1054] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1603.754882][ T1054] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1603.764835][ T9267] 8021q: adding VLAN 0 to HW filter on device team0 [ 1603.775045][ T6872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1603.786198][ T6872] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1603.795140][ T6872] bridge0: port 1(bridge_slave_0) entered blocking state [ 1603.802227][ T6872] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1603.812460][ T6700] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1603.823233][ T6872] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1603.838133][ T6872] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1603.846867][ T6872] bridge0: port 2(bridge_slave_1) entered blocking state [ 1603.853929][ T6872] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1604.189313][ T6509] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1604.199323][ T6509] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1604.208752][ T6509] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1604.219725][ T6509] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1604.228421][ T6509] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1604.239019][ T6509] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1604.247911][ T6509] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1604.262707][ T9267] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1604.273579][ T9267] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1604.290773][ T9620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1604.299356][ T9620] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1604.311066][ T9620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1604.320775][ T9620] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1604.339457][ T1115] device hsr_slave_0 left promiscuous mode [ 1604.347435][ T1115] device hsr_slave_1 left promiscuous mode [ 1604.353920][ T1115] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 1604.361651][ T1115] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 1604.372805][ T1115] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 1604.381390][ T1115] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 1604.386888][ T6701] Bluetooth: hci0: command 0x041b tx timeout [ 1604.396538][ T1115] device bridge_slave_1 left promiscuous mode [ 1604.403286][ T1115] bridge0: port 2(bridge_slave_1) entered disabled state [ 1604.415646][ T1115] device bridge_slave_0 left promiscuous mode [ 1604.423562][ T1115] bridge0: port 1(bridge_slave_0) entered disabled state [ 1604.440363][ T1115] device veth1_macvtap left promiscuous mode [ 1604.446591][ T1115] device veth0_macvtap left promiscuous mode [ 1604.452618][ T1115] device veth1_vlan left promiscuous mode [ 1604.459861][ T1115] device veth0_vlan left promiscuous mode [ 1606.466174][ T6870] Bluetooth: hci0: command 0x040f tx timeout [ 1606.947787][ T1359] ieee802154 phy0 wpan0: encryption failed: -22 [ 1606.954468][ T1359] ieee802154 phy1 wpan1: encryption failed: -22 [ 1608.545982][ T6870] Bluetooth: hci0: command 0x0419 tx timeout [ 1619.073095][ T1115] team0 (unregistering): Port device team_slave_1 removed [ 1619.085004][ T1115] team0 (unregistering): Port device team_slave_0 removed [ 1619.099444][ T1115] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 1619.112796][ T1115] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 1619.161479][ T1115] bond0 (unregistering): Released all slaves [ 1619.215112][ T9620] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1619.222662][ T9620] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1619.230569][ T9620] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1619.243934][ T9267] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1619.376476][ T6509] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1619.384990][ T6509] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1619.396747][ T6701] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1619.407592][ T6701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1619.417440][ T9267] device veth0_vlan entered promiscuous mode [ 1619.426381][ T1054] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1619.433986][ T1054] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1619.446113][ T9267] device veth1_vlan entered promiscuous mode [ 1619.468956][ T1054] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1619.479344][ T1054] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1619.488014][ T1054] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 1619.498128][ T1054] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1619.508750][ T9267] device veth0_macvtap entered promiscuous mode [ 1619.519737][ T9267] device veth1_macvtap entered promiscuous mode [ 1619.537448][ T9267] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1619.544836][ T1054] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1619.554838][ T1054] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 1619.563998][ T1054] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1619.574057][ T1054] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1619.586332][ T9267] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1619.595386][ T1054] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1619.603924][ T1054] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1619.681838][ T153] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1619.702768][ T153] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1619.741097][ T9620] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1619.771256][ T6598] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1619.784036][ T6598] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1619.800954][ T9620] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/09/09 22:47:30 executed programs: 607 2021/09/09 22:47:35 executed programs: 728 [ 1631.241814][T10485] chnl_net:caif_netlink_parms(): no params data found [ 1631.599197][T10485] bridge0: port 1(bridge_slave_0) entered blocking state [ 1631.607811][T10485] bridge0: port 1(bridge_slave_0) entered disabled state [ 1631.615936][T10485] device bridge_slave_0 entered promiscuous mode [ 1631.623744][T10485] bridge0: port 2(bridge_slave_1) entered blocking state [ 1631.631182][T10485] bridge0: port 2(bridge_slave_1) entered disabled state [ 1631.639225][T10485] device bridge_slave_1 entered promiscuous mode [ 1631.961564][T10485] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1631.972493][T10485] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1632.007796][T10485] team0: Port device team_slave_0 added [ 1632.025672][T10485] team0: Port device team_slave_1 added [ 1632.358526][T10485] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1632.365713][T10485] 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. [ 1632.394710][T10485] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1632.414871][T10485] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1632.421837][T10485] 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. [ 1632.449284][T10485] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1632.464609][ T6701] Bluetooth: hci0: command 0x0409 tx timeout [ 1632.471058][ T153] device hsr_slave_0 left promiscuous mode [ 1632.477747][ T153] device hsr_slave_1 left promiscuous mode [ 1632.486694][ T153] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 1632.494278][ T153] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 1632.502767][ T153] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 1632.511642][ T153] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 1632.521464][ T153] device bridge_slave_1 left promiscuous mode [ 1632.527833][ T153] bridge0: port 2(bridge_slave_1) entered disabled state [ 1632.537026][ T153] device bridge_slave_0 left promiscuous mode [ 1632.543186][ T153] bridge0: port 1(bridge_slave_0) entered disabled state [ 1632.555618][ T153] device veth1_macvtap left promiscuous mode [ 1632.561659][ T153] device veth0_macvtap left promiscuous mode [ 1632.568857][ T153] device veth1_vlan left promiscuous mode [ 1632.575120][ T153] device veth0_vlan left promiscuous mode [ 1634.544049][ T6509] Bluetooth: hci0: command 0x041b tx timeout [ 1636.623848][ T6509] Bluetooth: hci0: command 0x040f tx timeout [ 1638.713639][ T6509] Bluetooth: hci0: command 0x0419 tx timeout [ 1646.815655][ T22] ================================================================== [ 1646.823820][ T22] BUG: KASAN: use-after-free in __d_alloc+0x1a2/0x700 [ 1646.830671][ T22] Read of size 5 at addr ffff88807a2ea220 by task kdevtmpfs/22 [ 1646.838193][ T22] [ 1646.840572][ T22] CPU: 0 PID: 22 Comm: kdevtmpfs Not tainted 5.14.0-syzkaller #0 [ 1646.848270][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1646.858304][ T22] Call Trace: [ 1646.861576][ T22] dump_stack_lvl+0x1dc/0x2d8 [ 1646.866308][ T22] ? show_regs_print_info+0x12/0x12 [ 1646.871530][ T22] ? _printk+0xcf/0x118 [ 1646.875709][ T22] ? wake_up_klogd+0xb2/0xf0 [ 1646.880283][ T22] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 1646.885982][ T22] ? _raw_spin_lock_irqsave+0xdd/0x120 [ 1646.891487][ T22] print_address_description+0x66/0x3e0 [ 1646.897044][ T22] ? __d_alloc+0x1a2/0x700 [ 1646.901458][ T22] kasan_report+0x19a/0x1f0 [ 1646.905949][ T22] ? __d_alloc+0x1a2/0x700 [ 1646.910353][ T22] kasan_check_range+0x2b5/0x2f0 [ 1646.915272][ T22] ? __d_alloc+0x1a2/0x700 [ 1646.919676][ T22] memcpy+0x25/0x60 [ 1646.923511][ T22] __d_alloc+0x1a2/0x700 [ 1646.927830][ T22] d_alloc+0x48/0x1d0 [ 1646.931800][ T22] __lookup_hash+0xc8/0x240 [ 1646.936290][ T22] kern_path_locked+0x2f2/0x490 [ 1646.941133][ T22] ? __filename_lookup+0x640/0x640 [ 1646.946326][ T22] ? do_raw_spin_unlock+0x134/0x8a0 [ 1646.951556][ T22] devtmpfs_work_loop+0x264/0x1080 [ 1646.956692][ T22] ? public_dev_mount+0xa0/0xa0 [ 1646.961546][ T22] ? rcu_read_lock_sched_held+0x89/0x130 [ 1646.967220][ T22] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1646.973207][ T22] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 1646.979194][ T22] ? _raw_spin_unlock+0x40/0x40 [ 1646.984029][ T22] ? swake_up_locked+0x76/0x130 [ 1646.988911][ T22] ? complete+0x54/0xa0 [ 1646.993054][ T22] devtmpfsd+0x44/0x50 [ 1646.997127][ T22] kthread+0x453/0x480 [ 1647.001227][ T22] ? dmar_validate_one_drhd+0x2f0/0x2f0 [ 1647.006757][ T22] ? kthread_blkcg+0xd0/0xd0 [ 1647.011331][ T22] ret_from_fork+0x1f/0x30 [ 1647.015760][ T22] [ 1647.018070][ T22] Allocated by task 22: [ 1647.022199][ T22] __kasan_slab_alloc+0xb2/0xe0 [ 1647.027032][ T22] kmem_cache_alloc+0x1c3/0x300 [ 1647.031885][ T22] getname_kernel+0x55/0x2d0 [ 1647.036474][ T22] kern_path_locked+0xbb/0x490 [ 1647.041231][ T22] devtmpfs_work_loop+0x264/0x1080 [ 1647.046322][ T22] devtmpfsd+0x44/0x50 [ 1647.050375][ T22] kthread+0x453/0x480 [ 1647.054429][ T22] ret_from_fork+0x1f/0x30 [ 1647.058828][ T22] [ 1647.061135][ T22] Freed by task 22: [ 1647.064916][ T22] kasan_set_track+0x4c/0x80 [ 1647.069489][ T22] kasan_set_free_info+0x1f/0x40 [ 1647.074403][ T22] ____kasan_slab_free+0x10d/0x150 [ 1647.079509][ T22] slab_free_freelist_hook+0x129/0x1a0 [ 1647.084949][ T22] kmem_cache_free+0x85/0x180 [ 1647.089607][ T22] kern_path_locked+0x226/0x490 [ 1647.094438][ T22] devtmpfs_work_loop+0x264/0x1080 [ 1647.099536][ T22] devtmpfsd+0x44/0x50 [ 1647.103586][ T22] kthread+0x453/0x480 [ 1647.107635][ T22] ret_from_fork+0x1f/0x30 [ 1647.112044][ T22] [ 1647.114362][ T22] The buggy address belongs to the object at ffff88807a2ea200 [ 1647.114362][ T22] which belongs to the cache names_cache of size 4096 [ 1647.128498][ T22] The buggy address is located 32 bytes inside of [ 1647.128498][ T22] 4096-byte region [ffff88807a2ea200, ffff88807a2eb200) [ 1647.141755][ T22] The buggy address belongs to the page: [ 1647.147364][ T22] page:ffffea0001e8ba00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7a2e8 [ 1647.157494][ T22] head:ffffea0001e8ba00 order:3 compound_mapcount:0 compound_pincount:0 [ 1647.165813][ T22] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 1647.173776][ T22] raw: 00fff00000010200 dead000000000100 dead000000000122 ffff888140007500 [ 1647.182362][ T22] raw: 0000000000000000 0000000080070007 00000001ffffffff 0000000000000000 [ 1647.190925][ T22] page dumped because: kasan: bad access detected [ 1647.197316][ T22] page_owner tracks the page as allocated [ 1647.203010][ T22] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4572, ts 31683964630, free_ts 31528602343 [ 1647.222086][ T22] get_page_from_freelist+0x779/0xa30 [ 1647.227496][ T22] __alloc_pages+0x255/0x580 [ 1647.232065][ T22] allocate_slab+0xcc/0x4d0 [ 1647.236551][ T22] ___slab_alloc+0x41e/0xc40 [ 1647.241120][ T22] kmem_cache_alloc+0x274/0x300 [ 1647.245957][ T22] getname_flags+0xba/0x650 [ 1647.250451][ T22] user_path_at_empty+0x2a/0x1b0 [ 1647.255390][ T22] vfs_statx+0x10a/0x3f0 [ 1647.259612][ T22] __se_sys_newlstat+0xba/0x750 [ 1647.264444][ T22] do_syscall_64+0x44/0xd0 [ 1647.268844][ T22] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1647.274723][ T22] page last free stack trace: [ 1647.279374][ T22] free_pcp_prepare+0xc29/0xd20 [ 1647.284218][ T22] free_unref_page+0x7d/0x580 [ 1647.288939][ T22] __unfreeze_partials+0x1ab/0x200 [ 1647.294048][ T22] put_cpu_partial+0x132/0x1a0 [ 1647.298793][ T22] ___cache_free+0xe6/0x120 [ 1647.303274][ T22] kasan_quarantine_reduce+0x151/0x1c0 [ 1647.308714][ T22] __kasan_slab_alloc+0x2f/0xe0 [ 1647.313545][ T22] __kmalloc_node+0x219/0x400 [ 1647.318199][ T22] kvmalloc_node+0x81/0x110 [ 1647.322728][ T22] seq_read_iter+0x205/0xdc0 [ 1647.327337][ T22] vfs_read+0xaf9/0xe60 [ 1647.331495][ T22] ksys_read+0x18f/0x2c0 [ 1647.335752][ T22] do_syscall_64+0x44/0xd0 [ 1647.340164][ T22] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1647.346041][ T22] [ 1647.348356][ T22] Memory state around the buggy address: [ 1647.353964][ T22] ffff88807a2ea100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1647.362010][ T22] ffff88807a2ea180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1647.370047][ T22] >ffff88807a2ea200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1647.378083][ T22] ^ [ 1647.383169][ T22] ffff88807a2ea280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1647.391208][ T22] ffff88807a2ea300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1647.399262][ T22] ================================================================== [ 1647.407315][ T22] Disabling lock debugging due to kernel taint [ 1647.423133][ T22] Kernel panic - not syncing: panic_on_warn set ... [ 1647.429732][ T22] CPU: 1 PID: 22 Comm: kdevtmpfs Tainted: G B 5.14.0-syzkaller #0 [ 1647.438826][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1647.448865][ T22] Call Trace: [ 1647.452135][ T22] dump_stack_lvl+0x1dc/0x2d8 [ 1647.456806][ T22] ? show_regs_print_info+0x12/0x12 [ 1647.461990][ T22] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 1647.467694][ T22] ? preempt_schedule+0x16b/0x190 [ 1647.472711][ T22] ? schedule_preempt_disabled+0x20/0x20 [ 1647.478331][ T22] panic+0x2d6/0x810 [ 1647.482268][ T22] ? trace_hardirqs_on+0x30/0x80 [ 1647.487224][ T22] ? nmi_panic+0x90/0x90 [ 1647.491450][ T22] ? _raw_spin_unlock_irqrestore+0x128/0x130 [ 1647.497428][ T22] ? print_memory_metadata+0xe0/0x140 [ 1647.502790][ T22] ? __d_alloc+0x1a2/0x700 [ 1647.507197][ T22] end_report+0x83/0x90 [ 1647.511336][ T22] kasan_report+0x1bf/0x1f0 [ 1647.515820][ T22] ? __d_alloc+0x1a2/0x700 [ 1647.520223][ T22] kasan_check_range+0x2b5/0x2f0 [ 1647.525147][ T22] ? __d_alloc+0x1a2/0x700 [ 1647.529557][ T22] memcpy+0x25/0x60 [ 1647.533349][ T22] __d_alloc+0x1a2/0x700 [ 1647.537581][ T22] d_alloc+0x48/0x1d0 [ 1647.541565][ T22] __lookup_hash+0xc8/0x240 [ 1647.546054][ T22] kern_path_locked+0x2f2/0x490 [ 1647.550893][ T22] ? __filename_lookup+0x640/0x640 [ 1647.555995][ T22] ? do_raw_spin_unlock+0x134/0x8a0 [ 1647.561180][ T22] devtmpfs_work_loop+0x264/0x1080 [ 1647.566278][ T22] ? public_dev_mount+0xa0/0xa0 [ 1647.571111][ T22] ? rcu_read_lock_sched_held+0x89/0x130 [ 1647.576756][ T22] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 1647.582815][ T22] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 1647.588710][ T22] ? _raw_spin_unlock+0x40/0x40 [ 1647.593547][ T22] ? swake_up_locked+0x76/0x130 [ 1647.598393][ T22] ? complete+0x54/0xa0 [ 1647.602535][ T22] devtmpfsd+0x44/0x50 [ 1647.606591][ T22] kthread+0x453/0x480 [ 1647.610642][ T22] ? dmar_validate_one_drhd+0x2f0/0x2f0 [ 1647.616171][ T22] ? kthread_blkcg+0xd0/0xd0 [ 1647.620742][ T22] ret_from_fork+0x1f/0x30 [ 1647.625382][ T22] Kernel Offset: disabled [ 1647.629691][ T22] Rebooting in 86400 seconds..