Warning: Permanently added '10.128.1.162' (ED25519) to the list of known hosts. 1970/01/01 00:00:49 parsed 1 programs [ 50.339100][ T4343] cgroup: Unknown subsys name 'net' [ 50.553352][ T4343] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 50.846364][ T4343] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 54.308554][ T4352] chnl_net:caif_netlink_parms(): no params data found [ 54.325942][ T4352] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.327231][ T4352] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.328803][ T4352] device bridge_slave_0 entered promiscuous mode [ 54.332149][ T4352] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.333356][ T4352] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.334870][ T4352] device bridge_slave_1 entered promiscuous mode [ 54.342290][ T4352] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.344756][ T4352] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.351272][ T4352] team0: Port device team_slave_0 added [ 54.353034][ T4352] team0: Port device team_slave_1 added [ 54.358942][ T4352] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.360034][ T4352] 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. [ 54.364686][ T4352] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.367262][ T4352] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.368374][ T4352] 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. [ 54.372650][ T4352] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.411968][ T4352] device hsr_slave_0 entered promiscuous mode [ 54.450961][ T4352] device hsr_slave_1 entered promiscuous mode [ 54.526951][ T4352] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.562608][ T4352] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.602118][ T4352] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.642043][ T4352] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.688511][ T4352] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.689768][ T4352] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.691270][ T4352] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.692601][ T4352] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.708077][ T4352] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.713566][ T4352] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.714883][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.717447][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.719483][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.721531][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 54.726430][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.727936][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.729113][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.735615][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.737127][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.738368][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.745178][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.746882][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.749779][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.753990][ T1571] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.757008][ T1571] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.759541][ T4352] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.812748][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.814096][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.817289][ T4352] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.824352][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.829994][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.832485][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.834013][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.836295][ T4352] device veth0_vlan entered promiscuous mode [ 54.839376][ T4352] device veth1_vlan entered promiscuous mode [ 54.846705][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.848137][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.849627][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.852666][ T4352] device veth0_macvtap entered promiscuous mode [ 54.855024][ T4352] device veth1_macvtap entered promiscuous mode [ 54.860185][ T4352] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.863895][ T4352] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.866135][ T4352] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.867526][ T4352] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.868761][ T4352] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.870044][ T4352] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.872909][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.874779][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.876425][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.242474][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 56.030587][ T4404] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.032539][ T4404] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.033923][ T4404] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.035416][ T4404] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.036791][ T4404] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.037996][ T4404] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.161118][ T1590] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.162589][ T1590] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.164849][ T1590] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 56.174323][ T1590] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 56.175734][ T1590] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 56.177122][ T1590] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:56 executed programs: 0 [ 56.717425][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.719110][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.720800][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.722942][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.724338][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.725513][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.767337][ T4427] chnl_net:caif_netlink_parms(): no params data found [ 56.783423][ T4427] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.784657][ T4427] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.786275][ T4427] device bridge_slave_0 entered promiscuous mode [ 56.788460][ T4427] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.789632][ T4427] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.791359][ T4427] device bridge_slave_1 entered promiscuous mode [ 56.798183][ T4427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.801835][ T4427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.809880][ T4427] team0: Port device team_slave_0 added [ 56.811967][ T4427] team0: Port device team_slave_1 added [ 56.817506][ T4427] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.818551][ T4427] 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. [ 56.823227][ T4427] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.825563][ T4427] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.826638][ T4427] 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. [ 56.831377][ T4427] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.891962][ T4427] device hsr_slave_0 entered promiscuous mode [ 56.940950][ T4427] device hsr_slave_1 entered promiscuous mode [ 57.000816][ T4427] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.002152][ T4427] Cannot create hsr debugfs directory [ 58.231844][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 58.801076][ T47] Bluetooth: hci0: command 0x0409 tx timeout [ 60.711993][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.792712][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.880762][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 61.759435][ T4427] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.813605][ T4427] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.852081][ T4427] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.972339][ T4427] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.025062][ T9] device hsr_slave_0 left promiscuous mode [ 62.060911][ T9] device hsr_slave_1 left promiscuous mode [ 62.150827][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 62.152162][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 62.153974][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 62.155075][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 62.156458][ T9] device bridge_slave_1 left promiscuous mode [ 62.157901][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.191695][ T9] device bridge_slave_0 left promiscuous mode [ 62.192895][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.321243][ T9] device veth1_macvtap left promiscuous mode [ 62.322334][ T9] device veth0_macvtap left promiscuous mode [ 62.323276][ T9] device veth1_vlan left promiscuous mode [ 62.324315][ T9] device veth0_vlan left promiscuous mode [ 62.961052][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 64.482071][ T2061] ieee802154 phy0 wpan0: encryption failed: -22 [ 64.483408][ T2061] ieee802154 phy1 wpan1: encryption failed: -22 [ 64.511934][ T9] team0 (unregistering): Port device team_slave_1 removed [ 64.691663][ T9] team0 (unregistering): Port device team_slave_0 removed [ 64.851195][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 65.040853][ T47] Bluetooth: hci0: command 0x0419 tx timeout [ 65.071253][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 66.631570][ T9] bond0 (unregistering): Released all slaves [ 66.931951][ T4427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.935915][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.937505][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.940016][ T4427] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.944520][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.946085][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.947634][ T1871] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.948852][ T1871] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.950603][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.953923][ T1571] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.955510][ T1571] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.956921][ T1571] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.958117][ T1571] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.960611][ T1571] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.964853][ T1571] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.967392][ T1571] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.969288][ T1571] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.971907][ T1571] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.974787][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.976310][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.978981][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.980653][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.984776][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.986423][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.988764][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.044102][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.045435][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.048560][ T4427] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.055310][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.057028][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.062514][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.064010][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.065582][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.067058][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.069190][ T4427] device veth0_vlan entered promiscuous mode [ 67.073470][ T4427] device veth1_vlan entered promiscuous mode [ 67.080375][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.082914][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.084349][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.085907][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.088371][ T4427] device veth0_macvtap entered promiscuous mode [ 67.090649][ T4427] device veth1_macvtap entered promiscuous mode [ 67.096743][ T4427] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.097980][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.099621][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.101232][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.102817][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.105415][ T4427] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.106725][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.108351][ T1871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 67.111509][ T4427] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.112849][ T4427] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.114291][ T4427] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.115712][ T4427] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.137938][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.139248][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.140918][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.148055][ T1871] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.149352][ T1871] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.151230][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 67.315229][ T4529] loop0: detected capacity change from 0 to 32768 [ 67.324942][ T4529] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 67.326326][ T4529] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 67.336959][ T4529] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 67.339559][ T1965] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 67.340599][ T1965] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 67.354322][ T1965] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 13ms [ 67.356328][ T1965] gfs2: fsid=syz:syz.0: jid=0: Done [ 67.357467][ T4529] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 67.452298][ T4427] ------------[ cut here ]------------ [ 67.453217][ T4427] WARNING: CPU: 0 PID: 4427 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 67.454953][ T4427] Modules linked in: [ 67.455646][ T4427] CPU: 0 PID: 4427 Comm: syz-executor Not tainted syzkaller #0 [ 67.456927][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 67.458604][ T4427] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 67.459842][ T4427] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 67.460728][ T4427] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 67.461693][ T4427] sp : ffff8000212375e0 [ 67.462395][ T4427] x29: ffff800021237600 x28: 1fffff80006acf30 x27: dfff800000000000 [ 67.463808][ T4427] x26: 0000000000000000 x25: ffff0000c0494990 x24: 0000000000000001 [ 67.465190][ T4427] x23: 0000000000000000 x22: fffffc0003567988 x21: 1fffe00018092932 [ 67.466496][ T4427] x20: ffff0000d9676250 x19: fffffc0003567980 x18: ffff800011b9bf60 [ 67.467850][ T4427] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: ffff800017e3c000 [ 67.469225][ T4427] x14: 0000000000000001 x13: 1fffe00018092932 x12: 0000000000ff0100 [ 67.470582][ T4427] x11: ff0080000870a0f8 x10: 0000000000000000 x9 : ffff80000870a0f8 [ 67.472007][ T4427] x8 : ffff0000cdedd340 x7 : 0000000000000000 x6 : 0000000000000000 [ 67.473438][ T4427] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a58a88 [ 67.474855][ T4427] x2 : ffff0000cf020060 x1 : 0000000000000000 x0 : 0000000000000000 [ 67.476318][ T4427] Call trace: [ 67.476871][ T4427] __folio_mark_dirty+0x8a0/0xcd8 [ 67.477711][ T4427] mark_buffer_dirty+0x2b8/0x5c0 [ 67.478574][ T4427] gfs2_unpin+0x120/0x8fc [ 67.479319][ T4427] buf_lo_after_commit+0x140/0x188 [ 67.480161][ T4427] gfs2_log_flush+0xc00/0x1b20 [ 67.480944][ T4427] gfs2_kill_sb+0x5c/0xd4 [ 67.481687][ T4427] deactivate_locked_super+0xac/0x120 [ 67.482590][ T4427] deactivate_super+0xe4/0x104 [ 67.483384][ T4427] cleanup_mnt+0x390/0x418 [ 67.484126][ T4427] __cleanup_mnt+0x20/0x30 [ 67.484867][ T4427] task_work_run+0x1ec/0x278 [ 67.485647][ T4427] get_signal+0x111c/0x1304 [ 67.486407][ T4427] do_notify_resume+0x33c/0x2aa4 [ 67.487290][ T4427] el0_svc+0x98/0x128 [ 67.487990][ T4427] el0t_64_sync_handler+0x84/0xf0 [ 67.488892][ T4427] el0t_64_sync+0x18c/0x190 [ 67.489643][ T4427] irq event stamp: 164882 [ 67.490367][ T4427] hardirqs last enabled at (164881): [] folio_memcg_lock+0xe8/0x1f4 [ 67.492014][ T4427] hardirqs last disabled at (164882): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 67.493689][ T4427] softirqs last enabled at (164824): [] handle_softirqs+0xaec/0xc60 [ 67.495362][ T4427] softirqs last disabled at (164811): [] __do_softirq+0x14/0x20 [ 67.496908][ T4427] ---[ end trace 0000000000000000 ]--- [ 67.501755][ T4427] ------------[ cut here ]------------ [ 67.502661][ T4427] WARNING: CPU: 0 PID: 4427 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 67.504497][ T4427] Modules linked in: [ 67.505179][ T4427] CPU: 0 PID: 4427 Comm: syz-executor Tainted: G W syzkaller #0 [ 67.506750][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 67.508479][ T4427] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 67.509762][ T4427] pc : __folio_start_writeback+0x88c/0xa7c [ 67.510772][ T4427] lr : __folio_start_writeback+0x88c/0xa7c [ 67.511740][ T4427] sp : ffff800021237080 [ 67.512454][ T4427] x29: ffff800021237160 x28: dfff800000000000 x27: 0000000000000000 [ 67.513808][ T4427] x26: ffff700004246e18 x25: 0000000000000000 x24: ffff0000d9676250 [ 67.515131][ T4427] x23: ffff8000212370e0 x22: ffff0000c04947e8 x21: 0000000000000001 [ 67.516486][ T4427] x20: fffffc0003567988 x19: fffffc0003567980 x18: ffff800011b9bf60 [ 67.517775][ T4427] x17: ffff80001835b000 x16: ffff8000082d7db8 x15: 0000000000000000 [ 67.519173][ T4427] x14: 0000000000000001 x13: 1fffff80006acf30 x12: 0000000000ff0100 [ 67.520517][ T4427] x11: ff0080000870c604 x10: 0000000000000000 x9 : ffff80000870c604 [ 67.521886][ T4427] x8 : ffff0000cdedd340 x7 : ffff80000870c070 x6 : 0000000000000000 [ 67.523209][ T4427] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870c0b0 [ 67.524492][ T4427] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 67.525910][ T4427] Call trace: [ 67.526483][ T4427] __folio_start_writeback+0x88c/0xa7c [ 67.527406][ T4427] set_page_writeback+0x5c/0x7c [ 67.528233][ T4427] gfs2_aspace_writepage+0x514/0x6dc [ 67.529122][ T4427] __gfs2_writepage+0x70/0x184 [ 67.529940][ T4427] write_cache_pages+0x74c/0xde8 [ 67.530825][ T4427] gfs2_ail1_flush+0x7c4/0xa14 [ 67.531614][ T4427] empty_ail1_list+0x130/0x214 [ 67.532419][ T4427] gfs2_log_flush+0x12b4/0x1b20 [ 67.533280][ T4427] gfs2_kill_sb+0x5c/0xd4 [ 67.534081][ T4427] deactivate_locked_super+0xac/0x120 [ 67.535009][ T4427] deactivate_super+0xe4/0x104 [ 67.535848][ T4427] cleanup_mnt+0x390/0x418 [ 67.536606][ T4427] __cleanup_mnt+0x20/0x30 [ 67.537376][ T4427] task_work_run+0x1ec/0x278 [ 67.538186][ T4427] get_signal+0x111c/0x1304 [ 67.538946][ T4427] do_notify_resume+0x33c/0x2aa4 [ 67.539794][ T4427] el0_svc+0x98/0x128 [ 67.540493][ T4427] el0t_64_sync_handler+0x84/0xf0 [ 67.541341][ T4427] el0t_64_sync+0x18c/0x190 [ 67.542098][ T4427] irq event stamp: 164934 [ 67.542831][ T4427] hardirqs last enabled at (164933): [] folio_memcg_lock+0xe8/0x1f4 [ 67.544468][ T4427] hardirqs last disabled at (164934): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 67.546222][ T4427] softirqs last enabled at (164910): [] handle_softirqs+0xaec/0xc60 [ 67.547959][ T4427] softirqs last disabled at (164885): [] __do_softirq+0x14/0x20 [ 67.549538][ T4427] ---[ end trace 0000000000000000 ]--- [ 67.560117][ C1] ------------[ cut here ]------------ [ 67.561161][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 67.562896][ C1] Modules linked in: [ 67.563538][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 67.565034][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 67.566795][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 67.568111][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 67.569059][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 67.570029][ C1] sp : ffff80001ca97970 [ 67.570689][ C1] x29: ffff80001ca97990 x28: dfff800000000000 x27: ffff0000c04947e8 [ 67.572036][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006cfc78 [ 67.573459][ C1] x23: 0000000000000001 x22: ffff0000d96742a0 x21: ffff0000d96742a8 [ 67.574830][ C1] x20: 0000000000000001 x19: fffffc000367e3c0 x18: ffff800011b9bf60 [ 67.576224][ C1] x17: 1fffe00033eaa57e x16: ffff8000082d7db8 x15: 0000000000000000 [ 67.577699][ C1] x14: 0000000000000003 x13: 1ffff00003952f20 x12: 0000000000ff0100 [ 67.579065][ C1] x11: ff0080000870bb7c x10: 0000000000000000 x9 : ffff80000870bb7c [ 67.580468][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 67.581803][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 67.583101][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 67.584426][ C1] Call trace: [ 67.584966][ C1] __folio_end_writeback+0x7d0/0x9cc [ 67.585821][ C1] folio_end_writeback+0x12c/0x410 [ 67.586649][ C1] end_page_writeback+0x58/0x74 [ 67.587494][ C1] end_buffer_async_write+0x32c/0x4f4 [ 67.588395][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 67.589204][ C1] bio_endio+0x750/0x794 [ 67.589936][ C1] blk_update_request+0x49c/0xbec [ 67.590796][ C1] blk_mq_end_request+0x54/0x88 [ 67.591678][ C1] lo_complete_rq+0x1ec/0x250 [ 67.592481][ C1] blk_done_softirq+0x11c/0x168 [ 67.593263][ C1] handle_softirqs+0x318/0xc60 [ 67.594082][ C1] run_ksoftirqd+0x7c/0x2ac [ 67.594897][ C1] smpboot_thread_fn+0x4b0/0x964 [ 67.595700][ C1] kthread+0x250/0x2d8 [ 67.596367][ C1] ret_from_fork+0x10/0x20 [ 67.597089][ C1] irq event stamp: 408703 [ 67.597775][ C1] hardirqs last enabled at (408702): [] folio_memcg_lock+0xe8/0x1f4 [ 67.599406][ C1] hardirqs last disabled at (408703): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 67.601139][ C1] softirqs last enabled at (408692): [] handle_softirqs+0xaec/0xc60 [ 67.602827][ C1] softirqs last disabled at (408697): [] run_ksoftirqd+0x7c/0x2ac [ 67.604504][ C1] ---[ end trace 0000000000000000 ]---