Warning: Permanently added '10.128.1.63' (ED25519) to the list of known hosts. 1970/01/01 00:00:28 parsed 1 programs 1970/01/01 00:00:28 serving rpc on tcp://40761 [ 29.949963][ T4341] cgroup: Unknown subsys name 'net' [ 30.172483][ T4341] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 30.473348][ T4341] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 35.817191][ T1806] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.818745][ T1806] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.825611][ T299] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 35.832920][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.834315][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.835706][ T299] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 36.080309][ T4377] chnl_net:caif_netlink_parms(): no params data found [ 36.096918][ T4377] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.098209][ T4377] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.099790][ T4377] device bridge_slave_0 entered promiscuous mode [ 36.103806][ T4377] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.105066][ T4377] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.106592][ T4377] device bridge_slave_1 entered promiscuous mode [ 36.113644][ T4377] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.116088][ T4377] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 36.122438][ T4377] team0: Port device team_slave_0 added [ 36.124392][ T4377] team0: Port device team_slave_1 added [ 36.129991][ T4377] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.131187][ T4377] 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. [ 36.135348][ T4377] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.137940][ T4377] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.139070][ T4377] 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. [ 36.143863][ T4377] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.201085][ T4377] device hsr_slave_0 entered promiscuous mode [ 36.240036][ T4377] device hsr_slave_1 entered promiscuous mode [ 36.325004][ T4377] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 36.343180][ T4377] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 36.401629][ T4377] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 36.470500][ T4377] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 36.529049][ T4377] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.530428][ T4377] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.531879][ T4377] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.533106][ T4377] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.551454][ T4377] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.555640][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.558161][ T1806] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.561683][ T1806] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.566097][ T4377] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.569381][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.572111][ T1806] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.573323][ T1806] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.576148][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.577682][ T1806] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.578898][ T1806] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.585585][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 36.587217][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 36.592120][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 36.597946][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.601020][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.603678][ T4377] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 36.656862][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 36.658369][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 36.662686][ T4377] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.668409][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.676183][ T4377] device veth0_vlan entered promiscuous mode [ 36.677692][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.682371][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.684015][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.688709][ T4377] device veth1_vlan entered promiscuous mode [ 36.696346][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 36.697817][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 36.699380][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.702289][ T4377] device veth0_macvtap entered promiscuous mode [ 36.704546][ T4377] device veth1_macvtap entered promiscuous mode [ 36.709739][ T4377] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.712802][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.714913][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 36.718184][ T4377] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.719567][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.724247][ T4377] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.725587][ T4377] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.726943][ T4377] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.728251][ T4377] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.160926][ T4416] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 37.162528][ T4416] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 37.164055][ T4416] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 37.165680][ T4416] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 37.167090][ T4416] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 37.168471][ T4416] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:37 executed programs: 0 [ 37.851730][ T4416] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 37.853387][ T4416] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 37.855146][ T4416] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 37.856752][ T4416] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 37.858158][ T4416] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 37.859481][ T4416] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.204528][ T4436] chnl_net:caif_netlink_parms(): no params data found [ 38.288519][ T4436] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.290077][ T4436] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.291757][ T4436] device bridge_slave_0 entered promiscuous mode [ 38.293969][ T4436] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.295211][ T4436] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.296740][ T4436] device bridge_slave_1 entered promiscuous mode [ 38.303784][ T4436] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.306168][ T4436] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.312895][ T4436] team0: Port device team_slave_0 added [ 38.410693][ T4436] team0: Port device team_slave_1 added [ 38.501065][ T4436] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.502239][ T4436] 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. [ 38.507244][ T4436] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.541429][ T4436] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.542636][ T4436] 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. [ 38.546926][ T4436] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.601656][ T4436] device hsr_slave_0 entered promiscuous mode [ 38.640121][ T4436] device hsr_slave_1 entered promiscuous mode [ 38.690004][ T4436] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 38.691527][ T4436] Cannot create hsr debugfs directory [ 38.790930][ T4436] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.930512][ T4416] Bluetooth: hci0: command 0x0409 tx timeout [ 42.020459][ T4416] Bluetooth: hci0: command 0x041b tx timeout [ 42.340686][ T4436] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.421590][ T4436] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.511997][ T4436] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.833745][ T4436] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 42.912815][ T4436] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.012392][ T4436] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.051110][ T4436] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.151348][ T4436] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.154646][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.156123][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.158691][ T4436] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.161538][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.163127][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.164693][ T39] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.165856][ T39] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.167372][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.169732][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.172570][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.174133][ T39] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.175199][ T39] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.177729][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.182053][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.186603][ T9] device hsr_slave_0 left promiscuous mode [ 43.230150][ T9] device hsr_slave_1 left promiscuous mode [ 43.329923][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 43.331246][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 43.333008][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 43.334263][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 43.335740][ T9] device bridge_slave_1 left promiscuous mode [ 43.336991][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.372178][ T9] device bridge_slave_0 left promiscuous mode [ 43.373286][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.500092][ T9] device veth1_macvtap left promiscuous mode [ 43.501207][ T9] device veth0_macvtap left promiscuous mode [ 43.502273][ T9] device veth1_vlan left promiscuous mode [ 43.503236][ T9] device veth0_vlan left promiscuous mode [ 44.090160][ T4416] Bluetooth: hci0: command 0x040f tx timeout [ 45.681492][ T9] team0 (unregistering): Port device team_slave_1 removed [ 45.890552][ T9] team0 (unregistering): Port device team_slave_0 removed [ 46.080307][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 46.169914][ T4416] Bluetooth: hci0: command 0x0419 tx timeout [ 46.310433][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 47.850733][ T9] bond0 (unregistering): Released all slaves [ 48.101917][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.103859][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.105864][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.111314][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.113002][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.114534][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.116038][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.118477][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.120677][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.123065][ T4436] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.172335][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.173696][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.176566][ T4436] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.182939][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.184620][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.190489][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.192083][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.193612][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.195079][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.197245][ T4436] device veth0_vlan entered promiscuous mode [ 48.201450][ T4436] device veth1_vlan entered promiscuous mode [ 48.207397][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 48.208854][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 48.210966][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 48.212675][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.215271][ T4436] device veth0_macvtap entered promiscuous mode [ 48.217613][ T4436] device veth1_macvtap entered promiscuous mode [ 48.223070][ T4436] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.224379][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 48.225852][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 48.227777][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 48.229342][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.233328][ T4436] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.234633][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 48.236383][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.238900][ T4436] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.240819][ T4436] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.242279][ T4436] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.243685][ T4436] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.265123][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.266492][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.268893][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 48.275517][ T299] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.276835][ T299] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.278182][ T1806] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 48.430710][ T4470] loop0: detected capacity change from 0 to 32768 [ 48.439342][ T4470] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 48.441750][ T4470] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 48.452274][ T4470] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 48.454672][ T4457] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 48.455931][ T4457] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 48.468201][ T4457] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 12ms [ 48.472667][ T4457] gfs2: fsid=syz:syz.0: jid=0: Done [ 48.473783][ T4470] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 48.518915][ T4470] gfs2: fsid=syz:syz.0: found 1 quota changes [ 48.542961][ T4436] ------------[ cut here ]------------ [ 48.543953][ T4436] WARNING: CPU: 1 PID: 4436 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 48.545611][ T4436] Modules linked in: [ 48.546224][ T4436] CPU: 1 PID: 4436 Comm: syz-executor Not tainted syzkaller #0 [ 48.547373][ T4436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.548892][ T4436] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.550203][ T4436] pc : __folio_mark_dirty+0x8b8/0xce0 [ 48.551201][ T4436] lr : __folio_mark_dirty+0x8b8/0xce0 [ 48.552162][ T4436] sp : ffff800022337320 [ 48.552907][ T4436] x29: ffff800022337330 x28: 1fffff8000687a50 x27: 0000000000000000 [ 48.554364][ T4436] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c049be98 [ 48.555869][ T4436] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe000180937d3 [ 48.557345][ T4436] x20: ffff0000da7ea250 x19: fffffc000343d280 x18: 1fffe00033c1c97e [ 48.558849][ T4436] x17: ffff80001641d000 x16: ffff8000082dbe80 x15: 000000000004ffff [ 48.560347][ T4436] x14: 0000000000000001 x13: 1fffe000180937d3 x12: 0000000000000000 [ 48.561888][ T4436] x11: ff008000087196b8 x10: 0000000000000000 x9 : ffff8000087196b8 [ 48.563414][ T4436] x8 : ffff0000cf66d400 x7 : ffff800008718e44 x6 : 0000000000000000 [ 48.564884][ T4436] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008a6beb8 [ 48.566390][ T4436] x2 : ffff0000cf148060 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.567901][ T4436] Call trace: [ 48.568521][ T4436] __folio_mark_dirty+0x8b8/0xce0 [ 48.569487][ T4436] mark_buffer_dirty+0x2b8/0x5c0 [ 48.570420][ T4436] gfs2_unpin+0x128/0x918 [ 48.571248][ T4436] buf_lo_after_commit+0x144/0x18c [ 48.572226][ T4436] __gfs2_log_flush+0x12e8/0x1bd4 [ 48.573192][ T4436] gfs2_log_flush+0x3c/0x58 [ 48.574053][ T4436] do_sync+0x844/0xa68 [ 48.574830][ T4436] gfs2_quota_sync+0x2cc/0x4e8 [ 48.575729][ T4436] gfs2_sync_fs+0x50/0xc8 [ 48.576557][ T4436] sync_filesystem+0xe8/0x218 [ 48.577444][ T4436] generic_shutdown_super+0x74/0x32c [ 48.578419][ T4436] kill_block_super+0x78/0xe0 [ 48.579289][ T4436] gfs2_kill_sb+0xc4/0xd8 [ 48.580103][ T4436] deactivate_locked_super+0xb4/0x128 [ 48.581119][ T4436] deactivate_super+0xe4/0x104 [ 48.582033][ T4436] cleanup_mnt+0x3a8/0x430 [ 48.582876][ T4436] __cleanup_mnt+0x20/0x30 [ 48.583721][ T4436] task_work_run+0x1f4/0x280 [ 48.584621][ T4436] get_signal+0x1140/0x133c [ 48.585544][ T4436] do_notify_resume+0x364/0x2c84 [ 48.586551][ T4436] el0_svc+0x9c/0x12c [ 48.587347][ T4436] el0t_64_sync_handler+0x84/0xf0 [ 48.588333][ T4436] el0t_64_sync+0x18c/0x190 [ 48.589235][ T4436] irq event stamp: 164320 [ 48.590095][ T4436] hardirqs last enabled at (164319): [] folio_memcg_lock+0xe8/0x1f8 [ 48.591955][ T4436] hardirqs last disabled at (164320): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 48.593913][ T4436] softirqs last enabled at (163992): [] local_bh_enable+0x10/0x34 [ 48.595654][ T4436] softirqs last disabled at (163990): [] local_bh_disable+0x10/0x34 [ 48.597473][ T4436] ---[ end trace 0000000000000000 ]--- [ 48.602979][ T56] ------------[ cut here ]------------ [ 48.604024][ T56] WARNING: CPU: 0 PID: 56 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 48.605766][ T56] Modules linked in: [ 48.606394][ T56] CPU: 0 PID: 56 Comm: kworker/u4:3 Tainted: G W syzkaller #0 [ 48.607824][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.609432][ T56] Workqueue: writeback wb_workfn (flush-7:0) [ 48.610471][ T56] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.611848][ T56] pc : __folio_start_writeback+0x8a8/0xa98 [ 48.612883][ T56] lr : __folio_start_writeback+0x8a8/0xa98 [ 48.613906][ T56] sp : ffff80001fa96d20 [ 48.614638][ T56] x29: ffff80001fa96e00 x28: ffff700003f52dac x27: 0000000000000000 [ 48.616214][ T56] x26: ffff0000c049bcf0 x25: 1fffff8000655c79 x24: dfff800000000000 [ 48.617728][ T56] x23: ffff0000da7eace0 x22: ffff80001fa96d80 x21: ffff0000c049be98 [ 48.619279][ T56] x20: 0000000000000001 x19: fffffc00032ae3c0 x18: 000000000633be7b [ 48.620791][ T56] x17: dfff800000000000 x16: ffff8000082dbe80 x15: 000000000004ffff [ 48.622277][ T56] x14: 0000000000000001 x13: 1fffff8000655c78 x12: 0000000000000000 [ 48.623690][ T56] x11: ff0080000871bbdc x10: 0000000000000000 x9 : ffff80000871bbdc [ 48.625150][ T56] x8 : ffff0000c5675400 x7 : 0000000000000000 x6 : 0000000000000000 [ 48.626605][ T56] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000871b668 [ 48.628062][ T56] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.629536][ T56] Call trace: [ 48.630144][ T56] __folio_start_writeback+0x8a8/0xa98 [ 48.631157][ T56] set_page_writeback+0x5c/0x7c [ 48.632043][ T56] gfs2_aspace_writepage+0x524/0x6f4 [ 48.632981][ T56] __writepage+0x70/0x184 [ 48.633768][ T56] write_cache_pages+0x760/0xe00 [ 48.634664][ T56] do_writepages+0x32c/0x50c [ 48.635499][ T56] filemap_fdatawrite_wbc+0x124/0x174 [ 48.636455][ T56] filemap_fdatawrite+0xd0/0x12c [ 48.637334][ T56] gfs2_write_inode+0x234/0x33c [ 48.638199][ T56] __writeback_single_inode+0x5e0/0x157c [ 48.639189][ T56] writeback_sb_inodes+0x870/0x1470 [ 48.640115][ T56] wb_writeback+0x40c/0xfdc [ 48.640879][ T56] wb_workfn+0x360/0xe18 [ 48.641620][ T56] process_one_work+0x7e4/0x13bc [ 48.642489][ T56] worker_thread+0x8cc/0xfe8 [ 48.643280][ T56] kthread+0x254/0x2e0 [ 48.644008][ T56] ret_from_fork+0x10/0x20 [ 48.644793][ T56] irq event stamp: 253284 [ 48.645566][ T56] hardirqs last enabled at (253283): [] folio_memcg_lock+0xe8/0x1f8 [ 48.647377][ T56] hardirqs last disabled at (253284): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 48.649225][ T56] softirqs last enabled at (253234): [] batadv_nc_purge_paths+0x2f8/0x374 [ 48.650941][ T56] softirqs last disabled at (253232): [] batadv_nc_purge_paths+0xd8/0x374 [ 48.652733][ T56] ---[ end trace 0000000000000000 ]--- [ 48.655962][ C0] ------------[ cut here ]------------ [ 48.656876][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 48.658401][ C0] Modules linked in: [ 48.659006][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 48.660389][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 48.662137][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.663478][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 48.664481][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 48.665466][ C0] sp : ffff80001dc57980 [ 48.666182][ C0] x29: ffff80001dc579a0 x28: 1fffff8000655c79 x27: 1fffff8000655c78 [ 48.667541][ C0] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c049bcf0 [ 48.668893][ C0] x23: ffff0000c049be98 x22: ffff0000da7eace0 x21: ffff0000da7eace8 [ 48.670274][ C0] x20: 0000000000000001 x19: fffffc00032ae3c0 x18: 1fffe00033c1877e [ 48.671638][ C0] x17: ffff80001641d000 x16: ffff8000082dbe80 x15: 000000000004ffff [ 48.673039][ C0] x14: 0000000000000003 x13: 1ffff00003b8af22 x12: 0000000000000000 [ 48.674410][ C0] x11: ff0080000871b138 x10: 0000000000000000 x9 : ffff80000871b138 [ 48.675836][ C0] x8 : ffff0000c09b3800 x7 : 0000000000000000 x6 : 0000000000000000 [ 48.677197][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 48.678566][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.679923][ C0] Call trace: [ 48.680480][ C0] __folio_end_writeback+0x7d0/0x9cc [ 48.681389][ C0] folio_end_writeback+0x12c/0x410 [ 48.682235][ C0] end_page_writeback+0x58/0x74 [ 48.683047][ C0] end_buffer_async_write+0x330/0x4fc [ 48.683931][ C0] end_bio_bh_io_sync+0xb4/0x1e4 [ 48.684761][ C0] bio_endio+0x750/0x794 [ 48.685501][ C0] blk_update_request+0x4ac/0xc58 [ 48.686349][ C0] blk_mq_end_request+0x54/0x8c [ 48.687173][ C0] lo_complete_rq+0x1e8/0x238 [ 48.687956][ C0] blk_done_softirq+0x11c/0x168 [ 48.688764][ C0] handle_softirqs+0x318/0xc90 [ 48.689571][ C0] run_ksoftirqd+0x7c/0x2ac [ 48.690342][ C0] smpboot_thread_fn+0x4e8/0x960 [ 48.691177][ C0] kthread+0x254/0x2e0 [ 48.691879][ C0]