Warning: Permanently added '10.128.10.21' (ED25519) to the list of known hosts. 1970/01/01 00:00:32 parsed 1 programs syzkaller login: [ 33.510001][ T4326] cgroup: Unknown subsys name 'net' [ 33.727417][ T4326] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 34.016341][ T4326] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 37.907926][ T1749] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.909124][ T1749] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.910639][ T1749] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 37.918203][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.919408][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.920908][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 38.290719][ T4365] chnl_net:caif_netlink_parms(): no params data found [ 38.306996][ T4365] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.308200][ T4365] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.309808][ T4365] device bridge_slave_0 entered promiscuous mode [ 38.311845][ T4365] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.312971][ T4365] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.314514][ T4365] device bridge_slave_1 entered promiscuous mode [ 38.323063][ T4365] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.325318][ T4365] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.332576][ T4365] team0: Port device team_slave_0 added [ 38.334114][ T4365] team0: Port device team_slave_1 added [ 38.339964][ T4365] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.340976][ T4365] 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. [ 38.344698][ T4365] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.347347][ T4365] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.348441][ T4365] 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. [ 38.352280][ T4365] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.396147][ T4365] device hsr_slave_0 entered promiscuous mode [ 38.445173][ T4365] device hsr_slave_1 entered promiscuous mode [ 38.518982][ T4365] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.565909][ T4365] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 38.658646][ T4365] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 38.696069][ T4365] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 38.754873][ T4365] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.756004][ T4365] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.757287][ T4365] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.758274][ T4365] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.774928][ T4365] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.779518][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.781605][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.783459][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.787889][ T4365] 8021q: adding VLAN 0 to HW filter on device team0 [ 38.791002][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.792504][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.793680][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.799552][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.800989][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.802109][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.808173][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.809732][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 38.812464][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.819833][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.822729][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.826019][ T4365] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 38.883719][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 38.885196][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 38.888266][ T4365] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 38.894223][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 38.895986][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.901739][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 38.903288][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.905391][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 38.906779][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 38.908908][ T4365] device veth0_vlan entered promiscuous mode [ 38.911713][ T4365] device veth1_vlan entered promiscuous mode [ 38.920694][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 38.922091][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 38.923480][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 38.926260][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.928621][ T4365] device veth0_macvtap entered promiscuous mode [ 38.930751][ T4365] device veth1_macvtap entered promiscuous mode [ 38.936273][ T4365] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 38.937488][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 38.939025][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 38.940394][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 38.941899][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.944650][ T4365] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 38.950288][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 38.951952][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.954066][ T4365] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.956280][ T4365] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.957632][ T4365] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 38.958961][ T4365] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.371626][ T4419] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.373315][ T4417] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.374703][ T4417] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.377312][ T4417] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.378542][ T4417] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.379791][ T4417] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:39 executed programs: 0 [ 39.618031][ T47] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 39.623749][ T47] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 39.625612][ T47] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 39.627147][ T47] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 39.628500][ T47] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 39.629701][ T47] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 39.681748][ T4426] chnl_net:caif_netlink_parms(): no params data found [ 40.060784][ T4426] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.061923][ T4426] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.063408][ T4426] device bridge_slave_0 entered promiscuous mode [ 40.065427][ T4426] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.066547][ T4426] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.067934][ T4426] device bridge_slave_1 entered promiscuous mode [ 40.075801][ T4426] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.079314][ T4426] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.087445][ T4426] team0: Port device team_slave_0 added [ 40.116185][ T4426] team0: Port device team_slave_1 added [ 40.123240][ T4426] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.124382][ T4426] 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. [ 40.129279][ T4426] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.131510][ T4426] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.132638][ T4426] 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. [ 40.136641][ T4426] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.187041][ T4426] device hsr_slave_0 entered promiscuous mode [ 40.225071][ T4426] device hsr_slave_1 entered promiscuous mode [ 40.284897][ T4426] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 40.286202][ T4426] Cannot create hsr debugfs directory [ 40.736208][ T4426] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.685190][ T47] Bluetooth: hci1: command 0x0409 tx timeout [ 43.754930][ T47] Bluetooth: hci1: command 0x041b tx timeout [ 43.806374][ T4426] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.396457][ T4426] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.526805][ T4426] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.708676][ T4426] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 44.735783][ T4426] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 44.826679][ T4426] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 44.916588][ T4426] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.035719][ T4426] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.039322][ T1749] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.040727][ T1749] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.042976][ T4426] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.045757][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.047453][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.048857][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.049939][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.051351][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.053550][ T1749] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.056262][ T1749] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.057691][ T1749] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.058772][ T1749] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.108117][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.111982][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.114556][ T1749] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.119263][ T1749] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.120793][ T1749] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.123425][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.124858][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.128058][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.129473][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.131767][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.133259][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.135911][ T4426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.209259][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.210581][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.213483][ T4426] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.218972][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 45.220480][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.256440][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 45.258704][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.260494][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.261842][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.263558][ T4426] device veth0_vlan entered promiscuous mode [ 45.267428][ T4426] device veth1_vlan entered promiscuous mode [ 45.273008][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 45.274444][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 45.275884][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 45.277356][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.279615][ T4426] device veth0_macvtap entered promiscuous mode [ 45.281777][ T4426] device veth1_macvtap entered promiscuous mode [ 45.286076][ T4426] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 45.287677][ T4426] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 45.290181][ T4426] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.291358][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 45.292757][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 45.294116][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 45.295974][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.299834][ T220] device hsr_slave_0 left promiscuous mode [ 45.345174][ T220] device hsr_slave_1 left promiscuous mode [ 45.434929][ T220] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 45.436053][ T220] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 45.437739][ T220] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 45.438862][ T220] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 45.440220][ T220] device bridge_slave_1 left promiscuous mode [ 45.441561][ T220] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.495497][ T220] device bridge_slave_0 left promiscuous mode [ 45.496455][ T220] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.645030][ T220] device veth1_macvtap left promiscuous mode [ 45.645997][ T220] device veth0_macvtap left promiscuous mode [ 45.646988][ T220] device veth1_vlan left promiscuous mode [ 45.647915][ T220] device veth0_vlan left promiscuous mode [ 45.834955][ T47] Bluetooth: hci1: command 0x040f tx timeout [ 47.535871][ T220] team0 (unregistering): Port device team_slave_1 removed [ 47.716596][ T220] team0 (unregistering): Port device team_slave_0 removed [ 47.885206][ T220] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 47.914838][ T47] Bluetooth: hci1: command 0x0419 tx timeout [ 48.095182][ T220] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 50.606475][ T220] bond0 (unregistering): Released all slaves [ 50.828222][ T4426] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 50.830393][ T4426] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.831716][ T4426] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.833151][ T4426] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.834471][ T4426] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 50.846350][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 50.847842][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.869696][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.870832][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.872432][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 50.882498][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 50.883649][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 50.886355][ T266] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 51.031833][ T4463] loop0: detected capacity change from 0 to 32768 [ 51.040140][ T4463] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 51.041315][ T4463] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 51.052329][ T4463] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 51.054563][ T4386] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 51.055703][ T4386] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 51.066798][ T4386] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 11ms [ 51.068323][ T4386] gfs2: fsid=syz:syz.0: jid=0: Done [ 51.069268][ T4463] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 51.158888][ T4426] ------------[ cut here ]------------ [ 51.159797][ T4426] WARNING: CPU: 0 PID: 4426 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 51.161266][ T4426] Modules linked in: [ 51.161821][ T4426] CPU: 0 PID: 4426 Comm: syz-executor Not tainted syzkaller #0 [ 51.162873][ T4426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.164158][ T4426] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.165251][ T4426] pc : __folio_mark_dirty+0x8a0/0xce0 [ 51.166028][ T4426] lr : __folio_mark_dirty+0x8a0/0xce0 [ 51.166891][ T4426] sp : ffff8000208376e0 [ 51.167468][ T4426] x29: ffff800020837700 x28: 1fffff80006ba810 x27: dfff800000000000 [ 51.168595][ T4426] x26: 0000000000000000 x25: ffff0000c5113e90 x24: 0000000000000001 [ 51.169710][ T4426] x23: 0000000000000000 x22: fffffc00035d4088 x21: 1fffe00018a227d2 [ 51.170863][ T4426] x20: ffff0000d184a250 x19: fffffc00035d4080 x18: ffff800011abbcc0 [ 51.172089][ T4426] x17: ffff8000181f9000 x16: ffff8000082d10fc x15: ffff800017cda000 [ 51.173413][ T4426] x14: ffff0000d6228a98 x13: ffff0000d6228b10 x12: 0000000000ff0100 [ 51.174698][ T4426] x11: ff008000086fbd44 x10: 0000000000000000 x9 : ffff8000086fbd44 [ 51.176001][ T4426] x8 : ffff0000d6228000 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.177225][ T4426] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a46b60 [ 51.178464][ T4426] x2 : ffff0000cef1e060 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.179677][ T4426] Call trace: [ 51.180199][ T4426] __folio_mark_dirty+0x8a0/0xce0 [ 51.180928][ T4426] mark_buffer_dirty+0x2b8/0x5cc [ 51.181708][ T4426] gfs2_unpin+0x120/0x914 [ 51.182384][ T4426] buf_lo_after_commit+0x140/0x188 [ 51.183210][ T4426] gfs2_log_flush+0xbc8/0x1aa0 [ 51.183860][ T4426] gfs2_kill_sb+0x5c/0xd4 [ 51.184437][ T4426] deactivate_locked_super+0xac/0x124 [ 51.185221][ T4426] deactivate_super+0xe8/0x108 [ 51.185927][ T4426] cleanup_mnt+0x37c/0x404 [ 51.186554][ T4426] __cleanup_mnt+0x20/0x30 [ 51.187174][ T4426] task_work_run+0x1ec/0x270 [ 51.187880][ T4426] do_notify_resume+0x2038/0x2b28 [ 51.188585][ T4426] el0_svc+0x98/0x138 [ 51.189158][ T4426] el0t_64_sync_handler+0x84/0xf0 [ 51.189894][ T4426] el0t_64_sync+0x18c/0x190 [ 51.190526][ T4426] irq event stamp: 168224 [ 51.191152][ T4426] hardirqs last enabled at (168223): [] folio_memcg_lock+0xe8/0x1fc [ 51.192488][ T4426] hardirqs last disabled at (168224): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 51.193895][ T4426] softirqs last enabled at (167936): [] local_bh_enable+0x10/0x34 [ 51.195241][ T4426] softirqs last disabled at (167934): [] local_bh_disable+0x10/0x34 [ 51.196639][ T4426] ---[ end trace 0000000000000000 ]--- [ 51.200682][ T4426] ------------[ cut here ]------------ [ 51.201594][ T4426] WARNING: CPU: 1 PID: 4426 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 51.203045][ T4426] Modules linked in: [ 51.203604][ T4426] CPU: 1 PID: 4426 Comm: syz-executor Tainted: G W syzkaller #0 [ 51.204962][ T4426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.206463][ T4426] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.207602][ T4426] pc : __folio_start_writeback+0x868/0xa68 [ 51.208433][ T4426] lr : __folio_start_writeback+0x868/0xa68 [ 51.209345][ T4426] sp : ffff800020837180 [ 51.209983][ T4426] x29: ffff800020837260 x28: dfff800000000000 x27: 0000000000000000 [ 51.211165][ T4426] x26: ffff700004106e38 x25: 0000000000000000 x24: ffff0000d184a250 [ 51.212334][ T4426] x23: ffff8000208371e0 x22: ffff0000c5113ce8 x21: 0000000000000001 [ 51.213462][ T4426] x20: fffffc00035d4088 x19: fffffc00035d4080 x18: ffff800011abbcc0 [ 51.214719][ T4426] x17: ffff8000181f9000 x16: ffff8000082d10fc x15: 0000000000000000 [ 51.215999][ T4426] x14: 0000000000000406 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 51.217319][ T4426] x11: ff008000086fe25c x10: 0000000000000000 x9 : ffff8000086fe25c [ 51.218692][ T4426] x8 : ffff0000d6228000 x7 : ffff8000086fdcdc x6 : 0000000000000000 [ 51.219921][ T4426] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086fdd1c [ 51.221079][ T4426] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.222314][ T4426] Call trace: [ 51.222794][ T4426] __folio_start_writeback+0x868/0xa68 [ 51.223614][ T4426] set_page_writeback+0x5c/0x7c [ 51.224338][ T4426] gfs2_aspace_writepage+0x520/0x6e8 [ 51.225067][ T4426] __gfs2_writepage+0x70/0x18c [ 51.225806][ T4426] write_cache_pages+0x73c/0xdd4 [ 51.226466][ T4426] gfs2_ail1_flush+0x7c0/0xa00 [ 51.227102][ T4426] empty_ail1_list+0x110/0x1ec [ 51.227808][ T4426] gfs2_log_flush+0x1258/0x1aa0 [ 51.228506][ T4426] gfs2_kill_sb+0x5c/0xd4 [ 51.229126][ T4426] deactivate_locked_super+0xac/0x124 [ 51.229887][ T4426] deactivate_super+0xe8/0x108 [ 51.230567][ T4426] cleanup_mnt+0x37c/0x404 [ 51.231187][ T4426] __cleanup_mnt+0x20/0x30 [ 51.231801][ T4426] task_work_run+0x1ec/0x270 [ 51.232472][ T4426] do_notify_resume+0x2038/0x2b28 [ 51.233195][ T4426] el0_svc+0x98/0x138 [ 51.233748][ T4426] el0t_64_sync_handler+0x84/0xf0 [ 51.234459][ T4426] el0t_64_sync+0x18c/0x190 [ 51.235156][ T4426] irq event stamp: 168350 [ 51.235765][ T4426] hardirqs last enabled at (168349): [] folio_memcg_lock+0xe8/0x1fc [ 51.237087][ T4426] hardirqs last disabled at (168350): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 51.238510][ T4426] softirqs last enabled at (168328): [] handle_softirqs+0xaf8/0xc6c [ 51.239829][ T4426] softirqs last disabled at (168227): [] __do_softirq+0x14/0x20 [ 51.241142][ T4426] ---[ end trace 0000000000000000 ]--- [ 51.244687][ C0] ------------[ cut here ]------------ [ 51.245600][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 51.247057][ C0] Modules linked in: [ 51.247582][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 51.248839][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.250295][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 51.251403][ C0] pc : __folio_end_writeback+0x7d4/0x9e0 [ 51.252163][ C0] lr : __folio_end_writeback+0x7d4/0x9e0 [ 51.252930][ C0] sp : ffff80001c8c7960 [ 51.253505][ C0] x29: ffff80001c8c7980 x28: dfff800000000000 x27: ffff0000c5113ce8 [ 51.254626][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006d49d8 [ 51.255793][ C0] x23: 0000000000000001 x22: ffff0000d18482a0 x21: ffff0000d18482a8 [ 51.256973][ C0] x20: 0000000000000001 x19: fffffc00036a4ec0 x18: ffff800011abbcc0 [ 51.258157][ C0] x17: 1fffe00033ed797e x16: ffff8000082d10fc x15: 0000000000000000 [ 51.259252][ C0] x14: 0000000000000002 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 51.260453][ C0] x11: ff008000086fd7e8 x10: 0000000000000000 x9 : ffff8000086fd7e8 [ 51.261538][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 51.262631][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 51.263749][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 51.264856][ C0] Call trace: [ 51.265298][ C0] __folio_end_writeback+0x7d4/0x9e0 [ 51.266035][ C0] folio_end_writeback+0x12c/0x41c [ 51.266750][ C0] end_page_writeback+0x58/0x74 [ 51.267423][ C0] end_buffer_async_write+0x32c/0x508 [ 51.268173][ C0] end_bio_bh_io_sync+0xb0/0x1e0 [ 51.268831][ C0] bio_endio+0x770/0x7b4 [ 51.269453][ C0] blk_update_request+0x49c/0xbec [ 51.270122][ C0] blk_mq_end_request+0x54/0x88 [ 51.270811][ C0] lo_complete_rq+0x1ec/0x250 [ 51.271494][ C0] blk_done_softirq+0x11c/0x168 [ 51.272183][ C0] handle_softirqs+0x318/0xc6c [ 51.272853][ C0] run_ksoftirqd+0x7c/0x2a0 [ 51.273479][ C0] smpboot_thread_fn+0x4b0/0x964 [ 51.274164][ C0] kthread+0x250/0x2d8 [ 51.274728][ C0] ret_from_fork+0x10/0x20 [ 51.275354][ C0] irq event stamp: 364413 [ 51.275991][ C0] hardirqs last enabled at (364412): [] folio_memcg_lock+0xe8/0x1fc [ 51.277384][ C0] hardirqs last disabled at (364413): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 51.278772][ C0] softirqs last enabled at (364402): [] handle_softirqs+0xaf8/0xc6c [ 51.280094][ C0] softirqs last disabled at (364407): [] run_ksoftirqd+0x7c/0x2a0 [ 51.281309][ C0] ---[ end trace 0000000000000000 ]---