Warning: Permanently added '10.128.0.128' (ED25519) to the list of known hosts. 1970/01/01 00:00:32 parsed 1 programs syzkaller login: [ 34.082965][ T4326] cgroup: Unknown subsys name 'net' [ 34.345832][ T4326] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 34.628283][ T4326] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.677993][ T4350] chnl_net:caif_netlink_parms(): no params data found [ 39.694444][ T4350] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.695676][ T4350] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.697236][ T4350] device bridge_slave_0 entered promiscuous mode [ 39.699425][ T4350] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.700579][ T4350] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.702011][ T4350] device bridge_slave_1 entered promiscuous mode [ 39.708348][ T4350] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.710633][ T4350] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.717560][ T4350] team0: Port device team_slave_0 added [ 39.719086][ T4350] team0: Port device team_slave_1 added [ 39.724227][ T4350] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.725375][ T4350] 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. [ 39.729439][ T4350] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.731884][ T4350] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.732980][ T4350] 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. [ 39.737575][ T4350] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.804544][ T4350] device hsr_slave_0 entered promiscuous mode [ 39.843709][ T4350] device hsr_slave_1 entered promiscuous mode [ 39.938389][ T4350] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.976051][ T4350] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.046087][ T4350] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.086121][ T4350] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.143350][ T4350] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.144637][ T4350] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.146051][ T4350] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.147234][ T4350] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.164358][ T4350] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.168156][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.170526][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.172151][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.174017][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.179023][ T4350] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.181884][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.184113][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.185242][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.188192][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.189661][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.190787][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.198531][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.200205][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.203312][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.208124][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.211137][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.215327][ T4350] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.265517][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.266765][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.269835][ T4350] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.276677][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.282216][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.284226][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.285661][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.287868][ T4350] device veth0_vlan entered promiscuous mode [ 40.290874][ T4350] device veth1_vlan entered promiscuous mode [ 40.299744][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.301117][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.302645][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.305107][ T4350] device veth0_macvtap entered promiscuous mode [ 40.307252][ T4350] device veth1_macvtap entered promiscuous mode [ 40.312286][ T4350] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.314506][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.316493][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.319503][ T4350] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.320817][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.323245][ T4350] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.325060][ T4350] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.326503][ T4350] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.327954][ T4350] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.529100][ T4377] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.530603][ T4377] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.531964][ T4377] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.534148][ T4377] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.535551][ T4377] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.536777][ T4377] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.845144][ T55] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.964406][ T1578] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.965676][ T1578] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.968270][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.976474][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.977654][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.979207][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:41 executed programs: 0 [ 41.797035][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.798573][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.800003][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.801539][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.802865][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.804564][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.847838][ T4421] chnl_net:caif_netlink_parms(): no params data found [ 41.863241][ T4421] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.864597][ T4421] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.866096][ T4421] device bridge_slave_0 entered promiscuous mode [ 41.868020][ T4421] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.869201][ T4421] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.870770][ T4421] device bridge_slave_1 entered promiscuous mode [ 41.877713][ T4421] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.880164][ T4421] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.886985][ T4421] team0: Port device team_slave_0 added [ 41.888780][ T4421] team0: Port device team_slave_1 added [ 41.894752][ T4421] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.895749][ T4421] 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. [ 41.899675][ T4421] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.901874][ T4421] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.903002][ T4421] 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. [ 41.907601][ T4421] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.954664][ T4421] device hsr_slave_0 entered promiscuous mode [ 41.993940][ T4421] device hsr_slave_1 entered promiscuous mode [ 42.033548][ T4421] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 42.034909][ T4421] Cannot create hsr debugfs directory [ 43.525105][ T55] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.833657][ T4377] Bluetooth: hci0: command 0x0409 tx timeout [ 45.814579][ T55] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.905084][ T55] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.923912][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 46.957466][ T4421] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.056044][ T4421] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.104371][ T4421] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.196078][ T4421] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.254333][ T4421] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.288371][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.289833][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.292247][ T4421] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.294667][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.296212][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.297724][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.298861][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.300332][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.302762][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.304498][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.305878][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.307030][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.309445][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.314903][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.317426][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.319215][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.320808][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.323409][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.326135][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.386609][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.388189][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.390588][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.392157][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.395554][ T4421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.427312][ T55] device hsr_slave_0 left promiscuous mode [ 47.473703][ T55] device hsr_slave_1 left promiscuous mode [ 47.553533][ T55] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 47.554792][ T55] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 47.556452][ T55] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 47.557581][ T55] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 47.559064][ T55] device bridge_slave_1 left promiscuous mode [ 47.560294][ T55] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.594242][ T55] device bridge_slave_0 left promiscuous mode [ 47.595318][ T55] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.723668][ T55] device veth1_macvtap left promiscuous mode [ 47.724648][ T55] device veth0_macvtap left promiscuous mode [ 47.725832][ T55] device veth1_vlan left promiscuous mode [ 47.726666][ T55] device veth0_vlan left promiscuous mode [ 47.993484][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 50.075302][ T55] team0 (unregistering): Port device team_slave_1 removed [ 50.083574][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 50.234361][ T55] team0 (unregistering): Port device team_slave_0 removed [ 50.394019][ T55] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 50.613806][ T55] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 52.264236][ T55] bond0 (unregistering): Released all slaves [ 52.641558][ T4421] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.644531][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.645652][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.650640][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.652198][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.658371][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.660194][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.661747][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.663335][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.665710][ T4421] device veth0_vlan entered promiscuous mode [ 52.668603][ T4421] device veth1_vlan entered promiscuous mode [ 52.676771][ T4501] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.678295][ T4501] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.679658][ T4501] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.681158][ T4501] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.683262][ T4421] device veth0_macvtap entered promiscuous mode [ 52.685839][ T4421] device veth1_macvtap entered promiscuous mode [ 52.690437][ T4421] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.691589][ T4501] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.693166][ T4501] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.696502][ T4501] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.697988][ T4501] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.701564][ T4421] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.702775][ T4501] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.704900][ T4501] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.708256][ T4421] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.709660][ T4421] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.711081][ T4421] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.712539][ T4421] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.730482][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.731634][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.733277][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.745282][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.746554][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.748193][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.912356][ T4503] loop0: detected capacity change from 0 to 32768 [ 52.915984][ T4503] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 52.917292][ T4503] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 52.930392][ T4503] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 52.932770][ T221] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 52.933881][ T221] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 52.948174][ T221] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 14ms [ 52.950802][ T221] gfs2: fsid=syz:syz.0: jid=0: Done [ 52.951857][ T4503] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 53.066059][ T4421] ------------[ cut here ]------------ [ 53.067046][ T4421] WARNING: CPU: 1 PID: 4421 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 53.068688][ T4421] Modules linked in: [ 53.069326][ T4421] CPU: 1 PID: 4421 Comm: syz-executor Not tainted syzkaller #0 [ 53.070501][ T4421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.072113][ T4421] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.073309][ T4421] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 53.074205][ T4421] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 53.075102][ T4421] sp : ffff800020be76e0 [ 53.075771][ T4421] x29: ffff800020be7700 x28: 1fffff800065ab40 x27: dfff800000000000 [ 53.077093][ T4421] x26: 0000000000000000 x25: ffff0000c51bbe90 x24: 0000000000000001 [ 53.078377][ T4421] x23: 0000000000000000 x22: fffffc00032d5a08 x21: 1fffe00018a377d2 [ 53.079727][ T4421] x20: ffff0000d8f16250 x19: fffffc00032d5a00 x18: 0000000000000000 [ 53.081110][ T4421] x17: ffff800018338000 x16: ffff8000082d7e60 x15: ffff800017e19000 [ 53.082517][ T4421] x14: 0000000000000001 x13: 1fffe00018a377d2 x12: 0000000000ff0100 [ 53.083839][ T4421] x11: ff00800008708680 x10: 0000000000000000 x9 : ffff800008708680 [ 53.085139][ T4421] x8 : ffff0000c7859bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.086367][ T4421] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a560e8 [ 53.087589][ T4421] x2 : ffff0000ceadc060 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.088843][ T4421] Call trace: [ 53.089355][ T4421] __folio_mark_dirty+0x8a0/0xcd8 [ 53.090183][ T4421] mark_buffer_dirty+0x2b8/0x5c0 [ 53.090991][ T4421] gfs2_unpin+0x120/0x8fc [ 53.091649][ T4421] buf_lo_after_commit+0x140/0x188 [ 53.092433][ T4421] gfs2_log_flush+0xbf0/0x1b10 [ 53.093161][ T4421] gfs2_kill_sb+0x5c/0xd4 [ 53.093894][ T4421] deactivate_locked_super+0xac/0x120 [ 53.094733][ T4421] deactivate_super+0xe4/0x104 [ 53.095436][ T4421] cleanup_mnt+0x390/0x418 [ 53.096099][ T4421] __cleanup_mnt+0x20/0x30 [ 53.096835][ T4421] task_work_run+0x1ec/0x278 [ 53.097538][ T4421] do_notify_resume+0x1fa0/0x2aa4 [ 53.098291][ T4421] el0_svc+0x98/0x128 [ 53.098863][ T4421] el0t_64_sync_handler+0x84/0xf0 [ 53.099693][ T4421] el0t_64_sync+0x18c/0x190 [ 53.100412][ T4421] irq event stamp: 164980 [ 53.101054][ T4421] hardirqs last enabled at (164979): [] folio_memcg_lock+0xe8/0x1f4 [ 53.102516][ T4421] hardirqs last disabled at (164980): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 53.104126][ T4421] softirqs last enabled at (164864): [] local_bh_enable+0x10/0x34 [ 53.105576][ T4421] softirqs last disabled at (164862): [] local_bh_disable+0x10/0x34 [ 53.106955][ T4421] ---[ end trace 0000000000000000 ]--- [ 53.145129][ T4421] ------------[ cut here ]------------ [ 53.145990][ T4421] WARNING: CPU: 0 PID: 4421 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 53.147697][ T4421] Modules linked in: [ 53.148360][ T4421] CPU: 0 PID: 4421 Comm: syz-executor Tainted: G W syzkaller #0 [ 53.149804][ T4421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.151442][ T4421] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.152800][ T4421] pc : __folio_start_writeback+0x88c/0xa7c [ 53.153817][ T4421] lr : __folio_start_writeback+0x88c/0xa7c [ 53.154764][ T4421] sp : ffff800020be7180 [ 53.155411][ T4421] x29: ffff800020be7260 x28: dfff800000000000 x27: 0000000000000000 [ 53.156782][ T4421] x26: ffff70000417ce38 x25: 0000000000000000 x24: ffff0000d8f16250 [ 53.158015][ T4421] x23: ffff800020be71e0 x22: ffff0000c51bbce8 x21: 0000000000000001 [ 53.159350][ T4421] x20: fffffc00032d5a08 x19: fffffc00032d5a00 x18: ffff800011b7bf60 [ 53.160662][ T4421] x17: ffff800018338000 x16: ffff8000082d7e60 x15: 0000000000000000 [ 53.162007][ T4421] x14: 0000000000000001 x13: 1fffff800065ab40 x12: 0000000000ff0100 [ 53.163353][ T4421] x11: ff0080000870ab8c x10: 0000000000000000 x9 : ffff80000870ab8c [ 53.164659][ T4421] x8 : ffff0000c7859bc0 x7 : ffff80000870a5f8 x6 : 0000000000000000 [ 53.166006][ T4421] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870a638 [ 53.167281][ T4421] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.168517][ T4421] Call trace: [ 53.169024][ T4421] __folio_start_writeback+0x88c/0xa7c [ 53.169904][ T4421] set_page_writeback+0x5c/0x7c [ 53.170658][ T4421] gfs2_aspace_writepage+0x514/0x6dc [ 53.171563][ T4421] __gfs2_writepage+0x70/0x184 [ 53.172351][ T4421] write_cache_pages+0x74c/0xde8 [ 53.173127][ T4421] gfs2_ail1_flush+0x7c4/0xa14 [ 53.173880][ T4421] empty_ail1_list+0x130/0x214 [ 53.174588][ T4421] gfs2_log_flush+0x12a4/0x1b10 [ 53.175389][ T4421] gfs2_kill_sb+0x5c/0xd4 [ 53.176026][ T4421] deactivate_locked_super+0xac/0x120 [ 53.176915][ T4421] deactivate_super+0xe4/0x104 [ 53.177700][ T4421] cleanup_mnt+0x390/0x418 [ 53.178442][ T4421] __cleanup_mnt+0x20/0x30 [ 53.179088][ T4421] task_work_run+0x1ec/0x278 [ 53.179763][ T4421] do_notify_resume+0x1fa0/0x2aa4 [ 53.180605][ T4421] el0_svc+0x98/0x128 [ 53.181210][ T4421] el0t_64_sync_handler+0x84/0xf0 [ 53.182043][ T4421] el0t_64_sync+0x18c/0x190 [ 53.182731][ T4421] irq event stamp: 165024 [ 53.183432][ T4421] hardirqs last enabled at (165023): [] folio_memcg_lock+0xe8/0x1f4 [ 53.184970][ T4421] hardirqs last disabled at (165024): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 53.186511][ T4421] softirqs last enabled at (165000): [] handle_softirqs+0xaec/0xc60 [ 53.187987][ T4421] softirqs last disabled at (164983): [] __do_softirq+0x14/0x20 [ 53.189394][ T4421] ---[ end trace 0000000000000000 ]--- [ 53.192586][ C0] ------------[ cut here ]------------ [ 53.193447][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 53.195032][ C0] Modules linked in: [ 53.195609][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 53.197101][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.198642][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 53.199876][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 53.200691][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 53.201579][ C0] sp : ffff80001ca07970 [ 53.202200][ C0] x29: ffff80001ca07990 x28: dfff800000000000 x27: ffff0000c51bbce8 [ 53.203440][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006a4f90 [ 53.204747][ C0] x23: 0000000000000001 x22: ffff0000d8f142a0 x21: ffff0000d8f142a8 [ 53.206053][ C0] x20: 0000000000000001 x19: fffffc0003527c80 x18: ffff800011b7bf60 [ 53.207254][ C0] x17: 1fffe00033eaab7e x16: ffff8000082d7e60 x15: 0000000000000000 [ 53.208472][ C0] x14: 0000000000000003 x13: 1ffff00003940f20 x12: 0000000000ff0100 [ 53.209759][ C0] x11: ff0080000870a104 x10: 0000000000000000 x9 : ffff80000870a104 [ 53.211026][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 53.212218][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 53.213473][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 53.214780][ C0] Call trace: [ 53.215288][ C0] __folio_end_writeback+0x7d0/0x9cc [ 53.216115][ C0] folio_end_writeback+0x12c/0x410 [ 53.216915][ C0] end_page_writeback+0x58/0x74 [ 53.217744][ C0] end_buffer_async_write+0x32c/0x4f4 [ 53.218575][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 53.219322][ C0] bio_endio+0x750/0x794 [ 53.220009][ C0] blk_update_request+0x49c/0xbec [ 53.220762][ C0] blk_mq_end_request+0x54/0x88 [ 53.221515][ C0] lo_complete_rq+0x1ec/0x250 [ 53.222254][ C0] blk_done_softirq+0x11c/0x168 [ 53.222973][ C0] handle_softirqs+0x318/0xc60 [ 53.223688][ C0] run_ksoftirqd+0x7c/0x2ac [ 53.224359][ C0] smpboot_thread_fn+0x4b0/0x964 [ 53.225175][ C0] kthread+0x250/0x2d8 [ 53.225837][ C0] ret_from_fork+0x10/0x20 [ 53.226573][ C0] irq event stamp: 395509 [ 53.227240][ C0] hardirqs last enabled at (395508): [] folio_memcg_lock+0xe8/0x1f4 [ 53.228711][ C0] hardirqs last disabled at (395509): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 53.230273][ C0] softirqs last enabled at (395496): [] handle_softirqs+0xaec/0xc60 [ 53.231777][ C0] softirqs last disabled at (395503): [] run_ksoftirqd+0x7c/0x2ac [ 53.233191][ C0] ---[ end trace 0000000000000000 ]---