Warning: Permanently added '10.128.0.136' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs [ 32.696684][ T4323] cgroup: Unknown subsys name 'net' [ 32.955161][ T4323] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 33.206676][ T4323] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 40.181299][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.182502][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.185203][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.192069][ T4340] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.193720][ T4340] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.195118][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 40.566387][ T4365] chnl_net:caif_netlink_parms(): no params data found [ 40.582990][ T4365] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.584150][ T4365] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.585692][ T4365] device bridge_slave_0 entered promiscuous mode [ 40.588019][ T4365] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.589160][ T4365] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.590573][ T4365] device bridge_slave_1 entered promiscuous mode [ 40.597679][ T4365] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.599995][ T4365] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.606391][ T4365] team0: Port device team_slave_0 added [ 40.608229][ T4365] team0: Port device team_slave_1 added [ 40.613945][ T4365] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.615078][ T4365] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 40.619110][ T4365] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.621688][ T4365] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.622854][ T4365] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 40.626659][ T4365] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.683789][ T4365] device hsr_slave_0 entered promiscuous mode [ 40.722747][ T4365] device hsr_slave_1 entered promiscuous mode [ 40.797989][ T4365] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.833987][ T4365] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.875831][ T4365] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.924544][ T4365] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.970775][ T4365] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.971953][ T4365] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.973356][ T4365] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.974547][ T4365] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.991551][ T4365] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.995502][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.997609][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.999260][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.005527][ T4365] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.008559][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.010252][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.011373][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.017885][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.019372][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.020414][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.025571][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.027206][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.029429][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.034237][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.035659][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.038575][ T4365] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.141908][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.143751][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.147212][ T4365] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.152396][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.159253][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.160987][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.162447][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.166079][ T4365] device veth0_vlan entered promiscuous mode [ 41.169360][ T4365] device veth1_vlan entered promiscuous mode [ 41.181142][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.183042][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.184857][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.187738][ T4365] device veth0_macvtap entered promiscuous mode [ 41.190358][ T4365] device veth1_macvtap entered promiscuous mode [ 41.196959][ T4365] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.198201][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.199854][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.202373][ T4365] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.204643][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.206184][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.208931][ T4365] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.210149][ T4365] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.211525][ T4365] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.213940][ T4365] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.330267][ T4391] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.331887][ T4391] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.334380][ T4391] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.337390][ T4391] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.338736][ T4391] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.339925][ T4391] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:42 executed programs: 0 [ 42.106550][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.108198][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.109501][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.111141][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.112374][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.114212][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.162949][ T4427] chnl_net:caif_netlink_parms(): no params data found [ 42.178255][ T4427] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.179672][ T4427] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.181178][ T4427] device bridge_slave_0 entered promiscuous mode [ 42.183984][ T4427] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.185196][ T4427] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.186711][ T4427] device bridge_slave_1 entered promiscuous mode [ 42.204966][ T4427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.207321][ T4427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 42.213779][ T4427] team0: Port device team_slave_0 added [ 42.215510][ T4427] team0: Port device team_slave_1 added [ 42.220944][ T4427] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 42.222095][ 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. [ 42.229385][ T4427] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 42.235940][ T4427] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 42.237076][ 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. [ 42.241079][ T4427] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 42.284029][ T4427] device hsr_slave_0 entered promiscuous mode [ 42.322815][ T4427] device hsr_slave_1 entered promiscuous mode [ 42.362631][ T4427] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 42.363928][ T4427] Cannot create hsr debugfs directory [ 42.463715][ T4427] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.172795][ T4391] Bluetooth: hci0: command 0x0409 tx timeout [ 45.203913][ T4427] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.252974][ T4391] Bluetooth: hci0: command 0x041b tx timeout [ 46.314682][ T4427] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.414490][ T4427] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.636234][ T4427] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.724487][ T4427] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.844031][ T4427] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.944736][ T4427] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.063732][ T4427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.066933][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.068340][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.070668][ T4427] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.104663][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.107016][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.108487][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.109601][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.111074][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.112823][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.114231][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.115301][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.116788][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.119369][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.121931][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.124769][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.126464][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.128027][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.130656][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.132247][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.135383][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.136791][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.139368][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.140818][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.143192][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.146929][ T39] device hsr_slave_0 left promiscuous mode [ 47.192962][ T39] device hsr_slave_1 left promiscuous mode [ 47.282705][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 47.283922][ T39] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 47.286016][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 47.287232][ T39] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 47.288682][ T39] device bridge_slave_1 left promiscuous mode [ 47.289814][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.323309][ T39] device bridge_slave_0 left promiscuous mode [ 47.324597][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.443075][ T39] device veth1_macvtap left promiscuous mode [ 47.444157][ T39] device veth0_macvtap left promiscuous mode [ 47.445268][ T39] device veth1_vlan left promiscuous mode [ 47.446324][ T39] device veth0_vlan left promiscuous mode [ 48.332893][ T4391] Bluetooth: hci0: command 0x040f tx timeout [ 49.613949][ T39] team0 (unregistering): Port device team_slave_1 removed [ 49.793465][ T39] team0 (unregistering): Port device team_slave_0 removed [ 49.963030][ T39] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 50.174019][ T39] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 50.412579][ T4391] Bluetooth: hci0: command 0x0419 tx timeout [ 51.794017][ T39] bond0 (unregistering): Released all slaves [ 52.138120][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.139424][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.142525][ T4427] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.149235][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 52.150822][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.156061][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 52.157517][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.159059][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.160411][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.162534][ T4427] device veth0_vlan entered promiscuous mode [ 52.165512][ T4427] device veth1_vlan entered promiscuous mode [ 52.172209][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 52.174392][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 52.175823][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 52.177361][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.179669][ T4427] device veth0_macvtap entered promiscuous mode [ 52.181796][ T4427] device veth1_macvtap entered promiscuous mode [ 52.188599][ T4427] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 52.189879][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 52.191401][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 52.193154][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 52.194729][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.197312][ T4427] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 52.198540][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 52.200014][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.203139][ T4427] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.204636][ T4427] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.206000][ T4427] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.207354][ T4427] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 52.226023][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.227337][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.229240][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 52.236682][ T4435] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 52.238033][ T4435] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 52.239340][ T4435] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 52.400770][ T4447] loop0: detected capacity change from 0 to 32768 [ 52.407511][ T4447] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 52.408816][ T4447] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 52.419644][ T4447] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 52.421686][ T4437] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 52.422790][ T4437] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 52.443169][ T4437] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 20ms [ 52.444675][ T4437] gfs2: fsid=syz:syz.0: jid=0: Done [ 52.445635][ T4447] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 52.515026][ T4427] ------------[ cut here ]------------ [ 52.515993][ T4427] WARNING: CPU: 1 PID: 4427 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 52.517516][ T4427] Modules linked in: [ 52.518124][ T4427] CPU: 1 PID: 4427 Comm: syz-executor Not tainted syzkaller #0 [ 52.519313][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.520795][ T4427] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.521991][ T4427] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 52.522844][ T4427] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 52.523699][ T4427] sp : ffff8000210b75e0 [ 52.524412][ T4427] x29: ffff8000210b7600 x28: 1fffff80006f90f8 x27: dfff800000000000 [ 52.525712][ T4427] x26: 0000000000000000 x25: ffff0000c049c990 x24: 0000000000000001 [ 52.526991][ T4427] x23: 0000000000000000 x22: fffffc00037c87c8 x21: 1fffe00018093932 [ 52.528186][ T4427] x20: ffff0000e0036250 x19: fffffc00037c87c0 x18: ffff800011b9bf60 [ 52.529425][ T4427] x17: ffff80001835a000 x16: ffff8000082d7db8 x15: ffff800017e3b000 [ 52.530673][ T4427] x14: 0000000000000001 x13: 1fffe00018093932 x12: 0000000000ff0100 [ 52.532053][ T4427] x11: ff00800008709f98 x10: 0000000000000000 x9 : ffff800008709f98 [ 52.533323][ T4427] x8 : ffff0000ce8b8000 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.534595][ T4427] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a58760 [ 52.535942][ T4427] x2 : ffff0000cf2a4060 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.537347][ T4427] Call trace: [ 52.537913][ T4427] __folio_mark_dirty+0x8a0/0xcd8 [ 52.538747][ T4427] mark_buffer_dirty+0x2b8/0x5c0 [ 52.539525][ T4427] gfs2_unpin+0x120/0x8fc [ 52.540252][ T4427] buf_lo_after_commit+0x140/0x188 [ 52.541114][ T4427] gfs2_log_flush+0xc00/0x1b20 [ 52.541863][ T4427] gfs2_kill_sb+0x5c/0xd4 [ 52.542549][ T4427] deactivate_locked_super+0xac/0x120 [ 52.543348][ T4427] deactivate_super+0xe4/0x104 [ 52.544104][ T4427] cleanup_mnt+0x390/0x418 [ 52.544799][ T4427] __cleanup_mnt+0x20/0x30 [ 52.545543][ T4427] task_work_run+0x1ec/0x278 [ 52.546250][ T4427] get_signal+0x111c/0x1304 [ 52.546985][ T4427] do_notify_resume+0x33c/0x2aa4 [ 52.547709][ T4427] el0_svc+0x98/0x128 [ 52.548326][ T4427] el0t_64_sync_handler+0x84/0xf0 [ 52.549076][ T4427] el0t_64_sync+0x18c/0x190 [ 52.549811][ T4427] irq event stamp: 161310 [ 52.550460][ T4427] hardirqs last enabled at (161309): [] folio_memcg_lock+0xe8/0x1f4 [ 52.551802][ T4427] hardirqs last disabled at (161310): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.553275][ T4427] softirqs last enabled at (161186): [] local_bh_enable+0x10/0x34 [ 52.554801][ T4427] softirqs last disabled at (161184): [] local_bh_disable+0x10/0x34 [ 52.556225][ T4427] ---[ end trace 0000000000000000 ]--- [ 52.559930][ T4427] ------------[ cut here ]------------ [ 52.560780][ T4427] WARNING: CPU: 1 PID: 4427 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 52.562477][ T4427] Modules linked in: [ 52.563090][ T4427] CPU: 1 PID: 4427 Comm: syz-executor Tainted: G W syzkaller #0 [ 52.564662][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.566220][ T4427] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.567476][ T4427] pc : __folio_start_writeback+0x88c/0xa7c [ 52.568446][ T4427] lr : __folio_start_writeback+0x88c/0xa7c [ 52.569403][ T4427] sp : ffff8000210b7080 [ 52.570070][ T4427] x29: ffff8000210b7160 x28: dfff800000000000 x27: 0000000000000000 [ 52.571451][ T4427] x26: ffff700004216e18 x25: 0000000000000000 x24: ffff0000e0036250 [ 52.572822][ T4427] x23: ffff8000210b70e0 x22: ffff0000c049c7e8 x21: 0000000000000001 [ 52.574094][ T4427] x20: fffffc00037c87c8 x19: fffffc00037c87c0 x18: ffff800011b9bf60 [ 52.575316][ T4427] x17: ffff80001835a000 x16: ffff8000082d7db8 x15: 0000000000000000 [ 52.576599][ T4427] x14: 0000000000000001 x13: 1fffff80006f90f8 x12: 0000000000ff0100 [ 52.577913][ T4427] x11: ff0080000870c4a4 x10: 0000000000000000 x9 : ffff80000870c4a4 [ 52.579106][ T4427] x8 : ffff0000ce8b8000 x7 : ffff80000870bf10 x6 : 0000000000000000 [ 52.580425][ T4427] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870bf50 [ 52.581748][ T4427] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.583027][ T4427] Call trace: [ 52.583545][ T4427] __folio_start_writeback+0x88c/0xa7c [ 52.584419][ T4427] set_page_writeback+0x5c/0x7c [ 52.585142][ T4427] gfs2_aspace_writepage+0x514/0x6dc [ 52.585928][ T4427] __gfs2_writepage+0x70/0x184 [ 52.586636][ T4427] write_cache_pages+0x74c/0xde8 [ 52.587343][ T4427] gfs2_ail1_flush+0x7c4/0xa14 [ 52.588088][ T4427] empty_ail1_list+0x130/0x214 [ 52.588827][ T4427] gfs2_log_flush+0x12b4/0x1b20 [ 52.589566][ T4427] gfs2_kill_sb+0x5c/0xd4 [ 52.590254][ T4427] deactivate_locked_super+0xac/0x120 [ 52.591142][ T4427] deactivate_super+0xe4/0x104 [ 52.591918][ T4427] cleanup_mnt+0x390/0x418 [ 52.592620][ T4427] __cleanup_mnt+0x20/0x30 [ 52.593299][ T4427] task_work_run+0x1ec/0x278 [ 52.594027][ T4427] get_signal+0x111c/0x1304 [ 52.594676][ T4427] do_notify_resume+0x33c/0x2aa4 [ 52.595513][ T4427] el0_svc+0x98/0x128 [ 52.596223][ T4427] el0t_64_sync_handler+0x84/0xf0 [ 52.597053][ T4427] el0t_64_sync+0x18c/0x190 [ 52.597813][ T4427] irq event stamp: 161396 [ 52.598465][ T4427] hardirqs last enabled at (161395): [] folio_memcg_lock+0xe8/0x1f4 [ 52.599989][ T4427] hardirqs last disabled at (161396): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.601644][ T4427] softirqs last enabled at (161374): [] handle_softirqs+0xaec/0xc60 [ 52.603104][ T4427] softirqs last disabled at (161313): [] __do_softirq+0x14/0x20 [ 52.604536][ T4427] ---[ end trace 0000000000000000 ]--- [ 52.609461][ C1] ------------[ cut here ]------------ [ 52.610337][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 52.611768][ C1] Modules linked in: [ 52.612298][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 52.613522][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 52.614987][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 52.616161][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 52.617103][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 52.618025][ C1] sp : ffff80001ca97970 [ 52.618725][ C1] x29: ffff80001ca97990 x28: dfff800000000000 x27: ffff0000c049c7e8 [ 52.620099][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006ef248 [ 52.621383][ C1] x23: 0000000000000001 x22: ffff0000e00342a0 x21: ffff0000e00342a8 [ 52.622692][ C1] x20: 0000000000000001 x19: fffffc0003779240 x18: ffff800011b9bf60 [ 52.624055][ C1] x17: 1fffe00033eaa57e x16: ffff8000082d7db8 x15: 0000000000000000 [ 52.625409][ C1] x14: 0000000000000003 x13: 1ffff00003952f20 x12: 0000000000ff0100 [ 52.626816][ C1] x11: ff0080000870ba1c x10: 0000000000000000 x9 : ffff80000870ba1c [ 52.628095][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.629383][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 52.630623][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 52.631870][ C1] Call trace: [ 52.632436][ C1] __folio_end_writeback+0x7d0/0x9cc [ 52.633367][ C1] folio_end_writeback+0x12c/0x410 [ 52.634198][ C1] end_page_writeback+0x58/0x74 [ 52.634961][ C1] end_buffer_async_write+0x32c/0x4f4 [ 52.635852][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 52.636748][ C1] bio_endio+0x750/0x794 [ 52.637471][ C1] blk_update_request+0x49c/0xbec [ 52.638321][ C1] blk_mq_end_request+0x54/0x88 [ 52.639127][ C1] lo_complete_rq+0x1ec/0x250 [ 52.639937][ C1] blk_done_softirq+0x11c/0x168 [ 52.640700][ C1] handle_softirqs+0x318/0xc60 [ 52.641475][ C1] run_ksoftirqd+0x7c/0x2ac [ 52.642220][ C1] smpboot_thread_fn+0x4b0/0x964 [ 52.643000][ C1] kthread+0x250/0x2d8 [ 52.643636][ C1] ret_from_fork+0x10/0x20 [ 52.644359][ C1] irq event stamp: 386519 [ 52.645028][ C1] hardirqs last enabled at (386518): [] folio_memcg_lock+0xe8/0x1f4 [ 52.646524][ C1] hardirqs last disabled at (386519): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 52.648037][ C1] softirqs last enabled at (386504): [] handle_softirqs+0xaec/0xc60 [ 52.649548][ C1] softirqs last disabled at (386513): [] run_ksoftirqd+0x7c/0x2ac [ 52.650974][ C1] ---[ end trace 0000000000000000 ]---