Warning: Permanently added '10.128.1.222' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs [ 32.160278][ T4325] cgroup: Unknown subsys name 'net' [ 32.364045][ T4325] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.667966][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.204362][ T4335] chnl_net:caif_netlink_parms(): no params data found [ 39.222632][ T4335] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.223896][ T4335] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.225551][ T4335] device bridge_slave_0 entered promiscuous mode [ 39.227972][ T4335] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.229286][ T4335] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.230828][ T4335] device bridge_slave_1 entered promiscuous mode [ 39.237874][ T4335] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.240416][ T4335] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.247536][ T4335] team0: Port device team_slave_0 added [ 39.249465][ T4335] team0: Port device team_slave_1 added [ 39.255530][ T4335] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.256779][ T4335] 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. [ 39.260571][ T4335] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.263629][ T4335] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.264613][ T4335] 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. [ 39.268664][ T4335] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.332477][ T4335] device hsr_slave_0 entered promiscuous mode [ 39.371480][ T4335] device hsr_slave_1 entered promiscuous mode [ 39.446717][ T4335] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.482818][ T4335] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.522748][ T4335] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.563099][ T4335] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.610954][ T4335] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.612184][ T4335] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.613550][ T4335] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.614764][ T4335] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.633552][ T4335] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.637304][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.640019][ T55] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.642989][ T55] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.644909][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 39.649401][ T4335] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.654392][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.656202][ T55] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.657327][ T55] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.664229][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.665860][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.667002][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.674996][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.676598][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.680150][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.685764][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.688639][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.691996][ T4335] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.743400][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.744810][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.748174][ T4335] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.754992][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.763421][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.765025][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.766305][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.768746][ T4335] device veth0_vlan entered promiscuous mode [ 39.772879][ T4335] device veth1_vlan entered promiscuous mode [ 39.779562][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.780871][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.782899][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.785196][ T4335] device veth0_macvtap entered promiscuous mode [ 39.788323][ T4335] device veth1_macvtap entered promiscuous mode [ 39.795482][ T4335] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.796734][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.798878][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.802696][ T4335] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.804151][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.806963][ T4335] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.808299][ T4335] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.809546][ T4335] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.811010][ T4335] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.232848][ T1847] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.477308][ T4373] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.478876][ T4373] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.480104][ T4373] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.482335][ T4373] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.483825][ T4373] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.485178][ T4373] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.010761][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.012485][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.014332][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 41.026097][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 41.027391][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.029027][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:41 executed programs: 0 [ 41.639606][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.641891][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.643399][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.644900][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.646334][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.647630][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.691462][ T4418] chnl_net:caif_netlink_parms(): no params data found [ 41.709578][ T4418] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.710834][ T4418] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.712821][ T4418] device bridge_slave_0 entered promiscuous mode [ 41.714901][ T4418] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.715998][ T4418] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.717398][ T4418] device bridge_slave_1 entered promiscuous mode [ 41.725482][ T4418] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.727947][ T4418] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.735664][ T4418] team0: Port device team_slave_0 added [ 41.737492][ T4418] team0: Port device team_slave_1 added [ 41.743783][ T4418] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.744993][ T4418] 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. [ 41.749041][ T4418] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.751734][ T4418] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.752775][ T4418] 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. [ 41.756696][ T4418] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.802451][ T4418] device hsr_slave_0 entered promiscuous mode [ 41.861612][ T4418] device hsr_slave_1 entered promiscuous mode [ 41.921288][ T4418] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.922671][ T4418] Cannot create hsr debugfs directory [ 42.882402][ T1847] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.701911][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 45.212703][ T1847] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.313523][ T1847] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.791334][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 46.426416][ T4418] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.516804][ T4418] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.582897][ T4418] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.683272][ T4418] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.783150][ T4418] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.787559][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.789168][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.792117][ T4418] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.794827][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.796473][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.797839][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.798893][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.800412][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.806171][ T1847] device hsr_slave_0 left promiscuous mode [ 46.822861][ T1847] device hsr_slave_1 left promiscuous mode [ 46.901315][ T1847] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 46.902561][ T1847] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 46.904185][ T1847] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 46.905352][ T1847] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 46.906829][ T1847] device bridge_slave_1 left promiscuous mode [ 46.907940][ T1847] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.942377][ T1847] device bridge_slave_0 left promiscuous mode [ 46.943533][ T1847] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.082395][ T1847] device veth1_macvtap left promiscuous mode [ 47.083476][ T1847] device veth0_macvtap left promiscuous mode [ 47.084408][ T1847] device veth1_vlan left promiscuous mode [ 47.085596][ T1847] device veth0_vlan left promiscuous mode [ 47.861393][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 49.322439][ T1847] team0 (unregistering): Port device team_slave_1 removed [ 49.483368][ T1847] team0 (unregistering): Port device team_slave_0 removed [ 49.671720][ T1847] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 49.911744][ T1847] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 49.941229][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 51.512085][ T1847] bond0 (unregistering): Released all slaves [ 51.806076][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.807791][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.809314][ T55] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.810391][ T55] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.812002][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.815517][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.818953][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.820953][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.823029][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.826014][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.827671][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.830256][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.832019][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.834668][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.836220][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.838548][ T4418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.890713][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.892307][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.895818][ T4418] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.902472][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 51.904105][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.909660][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 51.911224][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.912983][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.914399][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.916627][ T4418] device veth0_vlan entered promiscuous mode [ 51.919799][ T4418] device veth1_vlan entered promiscuous mode [ 51.927048][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.928693][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.930269][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 51.933934][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.936881][ T4418] device veth0_macvtap entered promiscuous mode [ 51.939833][ T4418] device veth1_macvtap entered promiscuous mode [ 51.947483][ T4418] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.948801][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.950474][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 51.952016][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 51.953639][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.956626][ T4418] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.957791][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 51.959355][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.961848][ T4418] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.963394][ T4418] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.964712][ T4418] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.966145][ T4418] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.995171][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.996417][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.997818][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.006977][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.008260][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.009570][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.166845][ T4491] loop0: detected capacity change from 0 to 32768 [ 52.173365][ T4491] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 52.174746][ T4491] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 52.184006][ T4491] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 52.186342][ T24] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 52.187487][ T24] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 52.201436][ T24] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 13ms [ 52.203712][ T24] gfs2: fsid=syz:syz.0: jid=0: Done [ 52.204816][ T4491] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 52.313668][ T4418] ------------[ cut here ]------------ [ 52.314794][ T4418] WARNING: CPU: 0 PID: 4418 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 52.316412][ T4418] Modules linked in: [ 52.317035][ T4418] CPU: 0 PID: 4418 Comm: syz-executor Not tainted syzkaller #0 [ 52.318289][ T4418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.319941][ T4418] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.321156][ T4418] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 52.322090][ T4418] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 52.322892][ T4418] sp : ffff800020cb75e0 [ 52.323571][ T4418] x29: ffff800020cb7600 x28: 1fffff8000617a70 x27: dfff800000000000 [ 52.324770][ T4418] x26: 0000000000000000 x25: ffff0000c058be90 x24: 0000000000000001 [ 52.325957][ T4418] x23: 0000000000000000 x22: fffffc00030bd388 x21: 1fffe000180b17d2 [ 52.327200][ T4418] x20: ffff0000f28c6250 x19: fffffc00030bd380 x18: ffff800011b8bf60 [ 52.328516][ T4418] x17: ffff800018349000 x16: ffff8000082d7ca0 x15: ffff800017e2a000 [ 52.329755][ T4418] x14: 0000000000000001 x13: 1fffe000180b17d2 x12: 0000000000ff0100 [ 52.330918][ T4418] x11: ff00800008708b70 x10: 0000000000000000 x9 : ffff800008708b70 [ 52.332212][ T4418] x8 : ffff0000cbb9d340 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.333522][ T4418] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a56aa8 [ 52.334802][ T4418] x2 : ffff0000ce78a060 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.336040][ T4418] Call trace: [ 52.336524][ T4418] __folio_mark_dirty+0x8a0/0xcd8 [ 52.337331][ T4418] mark_buffer_dirty+0x2b8/0x5c0 [ 52.338115][ T4418] gfs2_unpin+0x120/0x8fc [ 52.338867][ T4418] buf_lo_after_commit+0x140/0x188 [ 52.339700][ T4418] gfs2_log_flush+0xc00/0x1b20 [ 52.340448][ T4418] gfs2_kill_sb+0x5c/0xd4 [ 52.341171][ T4418] deactivate_locked_super+0xac/0x120 [ 52.342110][ T4418] deactivate_super+0xe4/0x104 [ 52.343017][ T4418] cleanup_mnt+0x390/0x418 [ 52.343716][ T4418] __cleanup_mnt+0x20/0x30 [ 52.344421][ T4418] task_work_run+0x1ec/0x278 [ 52.345066][ T4418] get_signal+0x111c/0x1304 [ 52.345816][ T4418] do_notify_resume+0x33c/0x2aa4 [ 52.346619][ T4418] el0_svc+0x98/0x128 [ 52.347300][ T4418] el0t_64_sync_handler+0x84/0xf0 [ 52.348004][ T4418] el0t_64_sync+0x18c/0x190 [ 52.348703][ T4418] irq event stamp: 167866 [ 52.349385][ T4418] hardirqs last enabled at (167865): [] folio_memcg_lock+0xe8/0x1f4 [ 52.350915][ T4418] hardirqs last disabled at (167866): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.352582][ T4418] softirqs last enabled at (167750): [] local_bh_enable+0x10/0x34 [ 52.354100][ T4418] softirqs last disabled at (167748): [] local_bh_disable+0x10/0x34 [ 52.355579][ T4418] ---[ end trace 0000000000000000 ]--- [ 52.360682][ T4418] ------------[ cut here ]------------ [ 52.361696][ T4418] WARNING: CPU: 0 PID: 4418 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 52.363653][ T4418] Modules linked in: [ 52.364316][ T4418] CPU: 0 PID: 4418 Comm: syz-executor Tainted: G W syzkaller #0 [ 52.365758][ T4418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.367321][ T4418] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.368494][ T4418] pc : __folio_start_writeback+0x88c/0xa7c [ 52.369374][ T4418] lr : __folio_start_writeback+0x88c/0xa7c [ 52.370183][ T4418] sp : ffff800020cb7080 [ 52.370898][ T4418] x29: ffff800020cb7160 x28: dfff800000000000 x27: 0000000000000000 [ 52.372230][ T4418] x26: ffff700004196e18 x25: 0000000000000000 x24: ffff0000f28c6250 [ 52.373431][ T4418] x23: ffff800020cb70e0 x22: ffff0000c058bce8 x21: 0000000000000001 [ 52.374875][ T4418] x20: fffffc00030bd388 x19: fffffc00030bd380 x18: ffff800011b8bf60 [ 52.376282][ T4418] x17: ffff800018349000 x16: ffff8000082d7ca0 x15: 0000000000000000 [ 52.377599][ T4418] x14: 0000000000000001 x13: 1fffff8000617a70 x12: 0000000000ff0100 [ 52.378958][ T4418] x11: ff0080000870b07c x10: 0000000000000000 x9 : ffff80000870b07c [ 52.380158][ T4418] x8 : ffff0000cbb9d340 x7 : ffff80000870aae8 x6 : 0000000000000000 [ 52.381498][ T4418] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870ab28 [ 52.382746][ T4418] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.384043][ T4418] Call trace: [ 52.384580][ T4418] __folio_start_writeback+0x88c/0xa7c [ 52.385415][ T4418] set_page_writeback+0x5c/0x7c [ 52.386176][ T4418] gfs2_aspace_writepage+0x514/0x6dc [ 52.387028][ T4418] __gfs2_writepage+0x70/0x184 [ 52.387825][ T4418] write_cache_pages+0x74c/0xde8 [ 52.388600][ T4418] gfs2_ail1_flush+0x7c4/0xa14 [ 52.389420][ T4418] empty_ail1_list+0x130/0x214 [ 52.390195][ T4418] gfs2_log_flush+0x12b4/0x1b20 [ 52.390917][ T4418] gfs2_kill_sb+0x5c/0xd4 [ 52.391579][ T4418] deactivate_locked_super+0xac/0x120 [ 52.392374][ T4418] deactivate_super+0xe4/0x104 [ 52.393056][ T4418] cleanup_mnt+0x390/0x418 [ 52.393726][ T4418] __cleanup_mnt+0x20/0x30 [ 52.394429][ T4418] task_work_run+0x1ec/0x278 [ 52.395190][ T4418] get_signal+0x111c/0x1304 [ 52.395918][ T4418] do_notify_resume+0x33c/0x2aa4 [ 52.396759][ T4418] el0_svc+0x98/0x128 [ 52.397415][ T4418] el0t_64_sync_handler+0x84/0xf0 [ 52.398308][ T4418] el0t_64_sync+0x18c/0x190 [ 52.399021][ T4418] irq event stamp: 168012 [ 52.399768][ T4418] hardirqs last enabled at (168011): [] folio_memcg_lock+0xe8/0x1f4 [ 52.401292][ T4418] hardirqs last disabled at (168012): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.402889][ T4418] softirqs last enabled at (167990): [] handle_softirqs+0xaec/0xc60 [ 52.404390][ T4418] softirqs last disabled at (167869): [] __do_softirq+0x14/0x20 [ 52.405771][ T4418] ---[ end trace 0000000000000000 ]--- [ 52.411303][ C0] ------------[ cut here ]------------ [ 52.412364][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 52.413854][ C0] Modules linked in: [ 52.414454][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 52.415953][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.417485][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.418597][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 52.419407][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 52.420215][ C0] sp : ffff80001ca17970 [ 52.420857][ C0] x29: ffff80001ca17990 x28: dfff800000000000 x27: ffff0000c058bce8 [ 52.422120][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff800065e998 [ 52.423331][ C0] x23: 0000000000000001 x22: ffff0000f28c42a0 x21: ffff0000f28c42a8 [ 52.424512][ C0] x20: 0000000000000001 x19: fffffc00032f4cc0 x18: ffff800011b8bf60 [ 52.425831][ C0] x17: 1fffe00033ea877e x16: ffff8000082d7ca0 x15: 0000000000000000 [ 52.427061][ C0] x14: 0000000000000003 x13: 1ffff00003942f20 x12: 0000000000ff0100 [ 52.428272][ C0] x11: ff0080000870a5f4 x10: 0000000000000000 x9 : ffff80000870a5f4 [ 52.429659][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.431085][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 52.432504][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.433840][ C0] Call trace: [ 52.434331][ C0] __folio_end_writeback+0x7d0/0x9cc [ 52.435141][ C0] folio_end_writeback+0x12c/0x410 [ 52.436022][ C0] end_page_writeback+0x58/0x74 [ 52.436809][ C0] end_buffer_async_write+0x32c/0x4f4 [ 52.437705][ C0] end_bio_bh_io_sync+0xb0/0x1dc [ 52.438428][ C0] bio_endio+0x750/0x794 [ 52.439088][ C0] blk_update_request+0x49c/0xbec [ 52.439866][ C0] blk_mq_end_request+0x54/0x88 [ 52.440714][ C0] lo_complete_rq+0x1ec/0x250 [ 52.441487][ C0] blk_done_softirq+0x11c/0x168 [ 52.442257][ C0] handle_softirqs+0x318/0xc60 [ 52.442959][ C0] run_ksoftirqd+0x7c/0x2ac [ 52.443642][ C0] smpboot_thread_fn+0x4b0/0x964 [ 52.444492][ C0] kthread+0x250/0x2d8 [ 52.445175][ C0] ret_from_fork+0x10/0x20 [ 52.445969][ C0] irq event stamp: 404521 [ 52.446659][ C0] hardirqs last enabled at (404520): [] folio_memcg_lock+0xe8/0x1f4 [ 52.448322][ C0] hardirqs last disabled at (404521): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.449892][ C0] softirqs last enabled at (404510): [] handle_softirqs+0xaec/0xc60 [ 52.451503][ C0] softirqs last disabled at (404515): [] run_ksoftirqd+0x7c/0x2ac [ 52.452766][ C0] ---[ end trace 0000000000000000 ]---