[ 9.797955][ T3992] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: [ 9.844257][ T9] gvnic 0000:00:00.0 enp0s0: Device link is up. OK [ 9.854526][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.101' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs 1970/01/01 00:00:31 serving rpc on tcp://34235 syzkaller login: [ 32.700783][ T4338] cgroup: Unknown subsys name 'net' [ 32.979329][ T4338] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 33.260554][ T4338] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 38.342009][ T4377] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.343654][ T4377] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.345016][ T4377] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.347694][ T4377] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.349303][ T4377] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.350485][ T4377] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.445305][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.446907][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.448981][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 38.455048][ T55] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 38.456436][ T55] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 38.457878][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 38.809241][ T4393] chnl_net:caif_netlink_parms(): no params data found [ 38.831558][ T4393] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.832869][ T4393] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.834477][ T4393] device bridge_slave_0 entered promiscuous mode [ 38.838547][ T4393] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.839676][ T4393] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.841243][ T4393] device bridge_slave_1 entered promiscuous mode [ 38.852368][ T4393] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.855567][ T4393] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.863290][ T4393] team0: Port device team_slave_0 added [ 38.865122][ T4393] team0: Port device team_slave_1 added [ 38.871179][ T4393] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.872273][ T4393] 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. [ 38.876067][ T4393] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.880539][ T4393] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.881717][ T4393] 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. [ 38.885717][ T4393] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.938271][ T4393] device hsr_slave_0 entered promiscuous mode [ 38.986726][ T4393] device hsr_slave_1 entered promiscuous mode [ 39.065982][ T4393] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.108004][ T4393] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.159992][ T4393] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.210647][ T4393] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.302673][ T4393] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.307792][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.309876][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.312851][ T4393] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.315398][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.318270][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.320123][ T55] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.321268][ T55] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.323008][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.325784][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.331959][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.333405][ T55] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.334502][ T55] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.349027][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.352138][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 39.354905][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 39.357845][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.359560][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.364483][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 39.366351][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.369759][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 39.371476][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.374185][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 39.375716][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.389602][ T4393] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.447215][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.448612][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.452520][ T4393] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.459859][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.461919][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.468885][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 39.470775][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.472440][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.473845][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.476505][ T4393] device veth0_vlan entered promiscuous mode [ 39.479864][ T4393] device veth1_vlan entered promiscuous mode [ 39.499850][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.501591][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.503050][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 39.504615][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.508396][ T4393] device veth0_macvtap entered promiscuous mode [ 39.511001][ T4393] device veth1_macvtap entered promiscuous mode [ 39.516003][ T4393] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.518144][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.519714][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 39.521195][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 39.522781][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.532763][ T4393] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.533976][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 39.535698][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.539856][ T4393] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.541232][ T4393] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.542604][ T4393] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.544172][ T4393] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:41 executed programs: 0 [ 41.059446][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.061179][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.062655][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.064138][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.065671][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.068586][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.338854][ T60] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.380246][ T4444] chnl_net:caif_netlink_parms(): no params data found [ 41.395703][ T4444] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.397248][ T4444] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.398755][ T4444] device bridge_slave_0 entered promiscuous mode [ 41.400846][ T4444] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.402001][ T4444] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.403491][ T4444] device bridge_slave_1 entered promiscuous mode [ 41.411528][ T4444] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.413975][ T4444] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.421286][ T4444] team0: Port device team_slave_0 added [ 41.423067][ T4444] team0: Port device team_slave_1 added [ 41.428349][ T4444] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.429437][ T4444] 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. [ 41.433311][ T4444] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.436001][ T4444] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.437608][ T4444] 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. [ 41.441402][ T4444] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.507461][ T4444] device hsr_slave_0 entered promiscuous mode [ 41.546546][ T4444] device hsr_slave_1 entered promiscuous mode [ 41.586464][ T4444] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.587831][ T4444] Cannot create hsr debugfs directory [ 43.136543][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 43.838192][ T60] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.037331][ T60] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.118628][ T60] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.226871][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 46.083273][ T4444] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.180076][ T4444] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.217682][ T4444] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.340017][ T4444] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.439725][ T4444] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.443454][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.445234][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.448245][ T4444] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.450764][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.452866][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.454395][ T4427] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.455514][ T4427] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.457433][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.519440][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.521100][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.522652][ T4427] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.523829][ T4427] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.527662][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.530299][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.532761][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.534683][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.536603][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.540051][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.541759][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.544870][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.546408][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.549323][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.550789][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.553351][ T4444] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.617101][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.618488][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.621353][ T4444] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.627632][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.629285][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.635112][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.638251][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.640042][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.641443][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.643882][ T4444] device veth0_vlan entered promiscuous mode [ 46.679195][ T4444] device veth1_vlan entered promiscuous mode [ 46.685608][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.688566][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.690065][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.691584][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.694299][ T4444] device veth0_macvtap entered promiscuous mode [ 46.697330][ T4444] device veth1_macvtap entered promiscuous mode [ 46.702000][ T4444] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 46.703808][ T4444] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.705900][ T4444] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 46.707383][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 46.708998][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.710474][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.711914][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.714239][ T4444] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 46.715907][ T4444] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.718887][ T4444] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.748550][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.750279][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.752948][ T4444] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.754423][ T4444] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.755820][ T4444] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.757484][ T4444] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 46.781420][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.782721][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.784029][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 46.794342][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 46.795577][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.800921][ T60] device hsr_slave_0 left promiscuous mode [ 46.827200][ T60] device hsr_slave_1 left promiscuous mode [ 46.906533][ T60] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 46.907847][ T60] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 46.909649][ T60] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 46.910812][ T60] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 46.912233][ T60] device bridge_slave_1 left promiscuous mode [ 46.913754][ T60] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.947105][ T60] device bridge_slave_0 left promiscuous mode [ 46.948141][ T60] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.076799][ T60] device veth1_macvtap left promiscuous mode [ 47.078005][ T60] device veth0_macvtap left promiscuous mode [ 47.079040][ T60] device veth1_vlan left promiscuous mode [ 47.080152][ T60] device veth0_vlan left promiscuous mode [ 47.296350][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 49.287694][ T60] team0 (unregistering): Port device team_slave_1 removed [ 49.386356][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 49.447398][ T60] team0 (unregistering): Port device team_slave_0 removed [ 49.606846][ T60] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.806908][ T60] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 51.438070][ T60] bond0 (unregistering): Released all slaves [ 51.728366][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 51.896190][ T4487] loop0: detected capacity change from 0 to 32768 [ 51.908822][ T4487] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 51.910104][ T4487] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 51.922500][ T4487] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 51.924912][ T3899] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 51.925960][ T3899] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 51.950985][ T3899] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 25ms [ 51.952682][ T3899] gfs2: fsid=syz:syz.0: jid=0: Done [ 51.953807][ T4487] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 52.050891][ T4487] gfs2: fsid=syz:syz.0: found 1 quota changes [ 52.065328][ T4444] ------------[ cut here ]------------ [ 52.066394][ T4444] WARNING: CPU: 0 PID: 4444 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 52.067993][ T4444] Modules linked in: [ 52.068620][ T4444] CPU: 0 PID: 4444 Comm: syz-executor Not tainted syzkaller #0 [ 52.069815][ T4444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 52.071463][ T4444] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.072721][ T4444] pc : __folio_mark_dirty+0x8b8/0xce0 [ 52.073537][ T4444] lr : __folio_mark_dirty+0x8b8/0xce0 [ 52.074308][ T4444] sp : ffff800020d07400 [ 52.074991][ T4444] x29: ffff800020d07410 x28: 1fffff8000695358 x27: 0000000000000000 [ 52.076291][ T4444] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c058be98 [ 52.077575][ T4444] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe000180b17d3 [ 52.078868][ T4444] x20: ffff0000dbf52250 x19: fffffc00034a9ac0 x18: 1fffe00033e7ff7e [ 52.080091][ T4444] x17: ffff80001532d000 x16: ffff8000082dba2c x15: 000000000004ffff [ 52.081458][ T4444] x14: 0000000000000001 x13: 1fffe000180b17d3 x12: 0000000000000000 [ 52.082716][ T4444] x11: ff00800008714a0c x10: 0000000000000000 x9 : ffff800008714a0c [ 52.084047][ T4444] x8 : ffff0000ccca5400 x7 : ffff800008714198 x6 : 0000000000000000 [ 52.085302][ T4444] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a6643c [ 52.086672][ T4444] x2 : ffff0000ce9c4060 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.088032][ T4444] Call trace: [ 52.088611][ T4444] __folio_mark_dirty+0x8b8/0xce0 [ 52.089362][ T4444] mark_buffer_dirty+0x2b8/0x5c0 [ 52.090152][ T4444] gfs2_unpin+0x128/0x918 [ 52.090799][ T4444] buf_lo_after_commit+0x144/0x18c [ 52.091515][ T4444] __gfs2_log_flush+0x12e8/0x1bd4 [ 52.092284][ T4444] gfs2_log_flush+0x3c/0x58 [ 52.093040][ T4444] do_sync+0x844/0xa68 [ 52.093669][ T4444] gfs2_quota_sync+0x2cc/0x4e8 [ 52.094430][ T4444] gfs2_sync_fs+0x50/0xc8 [ 52.095221][ T4444] sync_filesystem+0xe8/0x218 [ 52.095931][ T4444] generic_shutdown_super+0x74/0x32c [ 52.096735][ T4444] kill_block_super+0x78/0xe0 [ 52.097451][ T4444] gfs2_kill_sb+0xc4/0xd8 [ 52.098152][ T4444] deactivate_locked_super+0xb4/0x128 [ 52.098976][ T4444] deactivate_super+0xe4/0x104 [ 52.099765][ T4444] cleanup_mnt+0x3a8/0x430 [ 52.100456][ T4444] __cleanup_mnt+0x20/0x30 [ 52.101135][ T4444] task_work_run+0x1f4/0x280 [ 52.101917][ T4444] do_notify_resume+0x20f8/0x2c84 [ 52.102676][ T4444] el0_svc+0x98/0x128 [ 52.103269][ T4444] el0t_64_sync_handler+0x84/0xf0 [ 52.104105][ T4444] el0t_64_sync+0x18c/0x190 [ 52.104796][ T4444] irq event stamp: 153136 [ 52.105529][ T4444] hardirqs last enabled at (153135): [] folio_memcg_lock+0xe8/0x1f8 [ 52.107142][ T4444] hardirqs last disabled at (153136): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.108772][ T4444] softirqs last enabled at (152756): [] local_bh_enable+0x10/0x34 [ 52.110293][ T4444] softirqs last disabled at (152754): [] local_bh_disable+0x10/0x34 [ 52.111895][ T4444] ---[ end trace 0000000000000000 ]--- [ 52.139602][ T11] ------------[ cut here ]------------ [ 52.140585][ T11] WARNING: CPU: 0 PID: 11 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 52.142080][ T11] Modules linked in: [ 52.142679][ T11] CPU: 0 PID: 11 Comm: kworker/u4:1 Tainted: G W syzkaller #0 [ 52.144034][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 52.145585][ T11] Workqueue: writeback wb_workfn (flush-7:0) [ 52.146571][ T11] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.147916][ T11] pc : __folio_start_writeback+0x8a8/0xa98 [ 52.148819][ T11] lr : __folio_start_writeback+0x8a8/0xa98 [ 52.149750][ T11] sp : ffff80001caf6d20 [ 52.150390][ T11] x29: ffff80001caf6e00 x28: ffff70000395edac x27: 0000000000000000 [ 52.151717][ T11] x26: ffff0000c058bcf0 x25: 1fffff800066d491 x24: dfff800000000000 [ 52.153093][ T11] x23: ffff0000dbf52ce0 x22: ffff80001caf6d80 x21: ffff0000c058be98 [ 52.154501][ T11] x20: 0000000000000001 x19: fffffc000336a480 x18: 1fffe00033e7ff7e [ 52.155764][ T11] x17: ffff80001532d000 x16: ffff8000082dba2c x15: 000000000004ffff [ 52.157082][ T11] x14: 0000000000000001 x13: 1fffff800066d490 x12: 0000000000000000 [ 52.158297][ T11] x11: ff00800008716f30 x10: 0000000000000000 x9 : ffff800008716f30 [ 52.159446][ T11] x8 : ffff0000c09ab800 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.160766][ T11] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000087169bc [ 52.162026][ T11] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.163405][ T11] Call trace: [ 52.163986][ T11] __folio_start_writeback+0x8a8/0xa98 [ 52.164838][ T11] set_page_writeback+0x5c/0x7c [ 52.165648][ T11] gfs2_aspace_writepage+0x524/0x6f4 [ 52.166500][ T11] __writepage+0x70/0x184 [ 52.167204][ T11] write_cache_pages+0x760/0xe00 [ 52.167992][ T11] do_writepages+0x32c/0x50c [ 52.168670][ T11] filemap_fdatawrite_wbc+0x124/0x174 [ 52.169521][ T11] filemap_fdatawrite+0xd0/0x12c [ 52.170263][ T11] gfs2_write_inode+0x234/0x33c [ 52.171071][ T11] __writeback_single_inode+0x5e0/0x157c [ 52.171992][ T11] writeback_sb_inodes+0x870/0x1470 [ 52.172830][ T11] wb_writeback+0x40c/0xfdc [ 52.173521][ T11] wb_workfn+0x360/0xe18 [ 52.174260][ T11] process_one_work+0x7e4/0x13bc [ 52.175031][ T11] worker_thread+0x8cc/0xfe8 [ 52.175752][ T11] kthread+0x254/0x2e0 [ 52.176408][ T11] ret_from_fork+0x10/0x20 [ 52.177108][ T11] irq event stamp: 171838 [ 52.177759][ T11] hardirqs last enabled at (171837): [] folio_memcg_lock+0xe8/0x1f8 [ 52.179251][ T11] hardirqs last disabled at (171838): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.180952][ T11] softirqs last enabled at (171790): [] ieee80211_ibss_work+0x2a8/0xd68 [ 52.182509][ T11] softirqs last disabled at (171788): [] ieee80211_ibss_work+0xd8/0xd68 [ 52.184085][ T11] ---[ end trace 0000000000000000 ]--- [ 52.186977][ C1] ------------[ cut here ]------------ [ 52.187971][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 52.189435][ C1] Modules linked in: [ 52.189983][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 52.191192][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 52.192658][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.193793][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 52.194623][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 52.195506][ C1] sp : ffff80001cba7980 [ 52.196145][ C1] x29: ffff80001cba79a0 x28: 1fffff800066d491 x27: 1fffff800066d490 [ 52.197365][ C1] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c058bcf0 [ 52.198651][ C1] x23: ffff0000c058be98 x22: ffff0000dbf52ce0 x21: ffff0000dbf52ce8 [ 52.200043][ C1] x20: 0000000000000001 x19: fffffc000336a480 x18: 1fffe00033e8417e [ 52.201336][ C1] x17: ffff80001532d000 x16: ffff8000082dba2c x15: 000000000004ffff [ 52.202624][ C1] x14: 0000000000000003 x13: 1ffff00003974f22 x12: 0000000000000000 [ 52.203980][ C1] x11: ff0080000871648c x10: 0000000000000000 x9 : ffff80000871648c [ 52.205234][ C1] x8 : ffff0000c0a59c00 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.206477][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 52.207774][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.209026][ C1] Call trace: [ 52.209496][ C1] __folio_end_writeback+0x7d0/0x9cc [ 52.210288][ C1] folio_end_writeback+0x12c/0x410 [ 52.211053][ C1] end_page_writeback+0x58/0x74 [ 52.211799][ C1] end_buffer_async_write+0x330/0x4fc [ 52.212628][ C1] end_bio_bh_io_sync+0xb4/0x1e4 [ 52.213427][ C1] bio_endio+0x750/0x794 [ 52.214077][ C1] blk_update_request+0x4ac/0xc58 [ 52.214866][ C1] blk_mq_end_request+0x54/0x8c [ 52.215652][ C1] lo_complete_rq+0x1e8/0x238 [ 52.216373][ C1] blk_done_softirq+0x11c/0x168 [ 52.217098][ C1] handle_softirqs+0x318/0xc90 [ 52.217905][ C1] run_ksoftirqd+0x7c/0x2ac [ 52.218646][ C1] smpboot_thread_fn+0x4e8/0x960 [ 52.219383][ C1] kthread+0x254/0x2e0 [ 52.220028][ C1] ret_from_fork+0x10/0x20 [ 52.220702][ C1] irq event stamp: 381157 [ 52.221444][ C1] hardirqs last enabled at (381156): [] folio_memcg_lock+0xe8/0x1f8 [ 52.222982][ C1] hardirqs last disabled at (381157): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.224467][ C1] softirqs last enabled at (381132): [] handle_softirqs+0xb1c/0xc90 [ 52.225940][ C1] softirqs last disabled at (381137): [] run_ksoftirqd+0x7c/0x2ac [ 52.227327][ C1] ---[ end trace 0000000000000000 ]---