Warning: Permanently added '10.128.1.49' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs syzkaller login: [ 31.891619][ T4325] cgroup: Unknown subsys name 'net' [ 32.114031][ T4325] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.404921][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 36.024028][ T4337] chnl_net:caif_netlink_parms(): no params data found [ 36.041215][ T4337] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.042539][ T4337] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.043961][ T4337] device bridge_slave_0 entered promiscuous mode [ 36.046198][ T4337] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.047320][ T4337] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.048692][ T4337] device bridge_slave_1 entered promiscuous mode [ 36.057969][ T4337] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.060192][ T4337] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 36.067881][ T4337] team0: Port device team_slave_0 added [ 36.069578][ T4337] team0: Port device team_slave_1 added [ 36.075403][ T4337] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.076519][ T4337] 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. [ 36.080387][ T4337] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.083078][ T4337] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.083946][ T4337] 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. [ 36.087576][ T4337] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.142370][ T4337] device hsr_slave_0 entered promiscuous mode [ 36.191448][ T4337] device hsr_slave_1 entered promiscuous mode [ 36.286529][ T4337] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 36.313829][ T4337] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 36.372452][ T4337] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 36.413203][ T4337] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 36.461901][ T4337] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.462998][ T4337] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.464277][ T4337] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.465329][ T4337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.482360][ T4337] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.486325][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 36.488730][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.490313][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.493769][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 36.499300][ T4337] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.502942][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 36.504394][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.505531][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.508021][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 36.509385][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.510528][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.517082][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 36.518612][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 36.521633][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 36.524321][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.526904][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.529894][ T4337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 36.583236][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 36.584545][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 36.587636][ T4337] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.594479][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.600882][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.603838][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.605242][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.609276][ T4337] device veth0_vlan entered promiscuous mode [ 36.613810][ T4337] device veth1_vlan entered promiscuous mode [ 36.620353][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 36.622630][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 36.624288][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.626604][ T4337] device veth0_macvtap entered promiscuous mode [ 36.628828][ T4337] device veth1_macvtap entered promiscuous mode [ 36.635177][ T4337] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.636412][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.638275][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 36.641048][ T4337] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.642679][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.645041][ T4337] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.646367][ T4337] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.647686][ T4337] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.648981][ T4337] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.312735][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.445987][ T252] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.447190][ T252] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.448656][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 37.458660][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.459960][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.461963][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 38.066715][ T4408] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.072457][ T4408] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.073973][ T4408] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.075391][ T4408] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.094211][ T4408] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.095539][ T4408] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:38 executed programs: 0 [ 38.381113][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 38.383000][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 38.384464][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 38.385998][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 38.387526][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 38.388723][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 38.435140][ T4421] chnl_net:caif_netlink_parms(): no params data found [ 38.452222][ T4421] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.453335][ T4421] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.454771][ T4421] device bridge_slave_0 entered promiscuous mode [ 38.456588][ T4421] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.457719][ T4421] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.459160][ T4421] device bridge_slave_1 entered promiscuous mode [ 38.467565][ T4421] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 38.470048][ T4421] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 38.477799][ T4421] team0: Port device team_slave_0 added [ 38.480151][ T4421] team0: Port device team_slave_1 added [ 38.486440][ T4421] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 38.487454][ T4421] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 38.492197][ T4421] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 38.495221][ T4421] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 38.496311][ T4421] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 38.499988][ T4421] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 38.532345][ T4421] device hsr_slave_0 entered promiscuous mode [ 38.571806][ T4421] device hsr_slave_1 entered promiscuous mode [ 38.621336][ T4421] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 38.622692][ T4421] Cannot create hsr debugfs directory [ 39.632547][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.411772][ T4408] Bluetooth: hci0: command 0x0409 tx timeout [ 42.232447][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.333460][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.491286][ T4408] Bluetooth: hci0: command 0x041b tx timeout [ 43.536952][ T4421] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.613157][ T4421] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.655055][ T9] device hsr_slave_0 left promiscuous mode [ 43.691559][ T9] device hsr_slave_1 left promiscuous mode [ 43.781438][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 43.782647][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 43.784304][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 43.785506][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 43.786936][ T9] device bridge_slave_1 left promiscuous mode [ 43.788322][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.822650][ T9] device bridge_slave_0 left promiscuous mode [ 43.823667][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.941508][ T9] device veth1_macvtap left promiscuous mode [ 43.942461][ T9] device veth0_macvtap left promiscuous mode [ 43.943431][ T9] device veth1_vlan left promiscuous mode [ 43.944376][ T9] device veth0_vlan left promiscuous mode [ 44.571274][ T4408] Bluetooth: hci0: command 0x040f tx timeout [ 45.762585][ T9] team0 (unregistering): Port device team_slave_1 removed [ 45.922364][ T9] team0 (unregistering): Port device team_slave_0 removed [ 46.112564][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 46.332923][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 46.651320][ T4408] Bluetooth: hci0: command 0x0419 tx timeout [ 48.892332][ T9] bond0 (unregistering): Released all slaves [ 49.123754][ T4421] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 49.172716][ T4421] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 49.244505][ T4421] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.248766][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.250274][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.253251][ T4421] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.255474][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.257034][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.259145][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.260179][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.265601][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.268472][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.270073][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.271958][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.273052][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.275524][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.278376][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.280986][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.284238][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.285882][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.289686][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.291832][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.294831][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.296259][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.298647][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.300173][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.305136][ T4421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.355276][ T4374] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.356568][ T4374] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.359733][ T4421] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.365737][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 49.367275][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.372887][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 49.374409][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.375959][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.377338][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.379384][ T4421] device veth0_vlan entered promiscuous mode [ 49.382506][ T4421] device veth1_vlan entered promiscuous mode [ 49.389080][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.390430][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.393278][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.394766][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.397104][ T4421] device veth0_macvtap entered promiscuous mode [ 49.399431][ T4421] device veth1_macvtap entered promiscuous mode [ 49.404495][ T4421] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.405762][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.407269][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 49.408719][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.411194][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.416867][ T4421] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.418125][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.419768][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.422066][ T4421] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.423411][ T4421] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.424748][ T4421] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.426127][ T4421] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.446452][ T4374] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.447748][ T4374] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.449337][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 49.460680][ T4374] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.462003][ T4374] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.463624][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 49.616298][ T4529] loop0: detected capacity change from 0 to 32768 [ 49.619770][ T4529] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 49.621139][ T4529] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 49.632105][ T4529] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 49.634467][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 49.635608][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 49.648647][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 13ms [ 49.650686][ T7] gfs2: fsid=syz:syz.0: jid=0: Done [ 49.651688][ T4529] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 49.755719][ T4421] ------------[ cut here ]------------ [ 49.756709][ T4421] WARNING: CPU: 1 PID: 4421 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 49.758322][ T4421] Modules linked in: [ 49.758921][ T4421] CPU: 1 PID: 4421 Comm: syz-executor Not tainted syzkaller #0 [ 49.760063][ T4421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.761581][ T4421] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.762803][ T4421] pc : __folio_mark_dirty+0x8a0/0xce0 [ 49.763617][ T4421] lr : __folio_mark_dirty+0x8a0/0xce0 [ 49.764378][ T4421] sp : ffff800020e176e0 [ 49.764997][ T4421] x29: ffff800020e17700 x28: 1fffff80006ee530 x27: dfff800000000000 [ 49.766125][ T4421] x26: 0000000000000000 x25: ffff0000c049c990 x24: 0000000000000001 [ 49.767258][ T4421] x23: 0000000000000000 x22: fffffc0003772988 x21: 1fffe00018093932 [ 49.768498][ T4421] x20: ffff0000da27a250 x19: fffffc0003772980 x18: ffff800011a6bd40 [ 49.769724][ T4421] x17: ffff800018186000 x16: ffff8000082d35d8 x15: ffff800017c67000 [ 49.770864][ T4421] x14: ffff0000d6c35dd8 x13: ffff0000d6c35e50 x12: 0000000000ff0100 [ 49.772094][ T4421] x11: ff008000086fe704 x10: 0000000000000000 x9 : ffff8000086fe704 [ 49.773357][ T4421] x8 : ffff0000d6c35340 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.774588][ T4421] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a49628 [ 49.775744][ T4421] x2 : ffff0000cecb6060 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.776953][ T4421] Call trace: [ 49.777449][ T4421] __folio_mark_dirty+0x8a0/0xce0 [ 49.778157][ T4421] mark_buffer_dirty+0x2b8/0x5cc [ 49.778854][ T4421] gfs2_unpin+0x120/0x914 [ 49.779470][ T4421] buf_lo_after_commit+0x140/0x188 [ 49.780231][ T4421] gfs2_log_flush+0xbc8/0x1aa0 [ 49.780903][ T4421] gfs2_kill_sb+0x5c/0xd4 [ 49.781547][ T4421] deactivate_locked_super+0xac/0x124 [ 49.782326][ T4421] deactivate_super+0xe8/0x108 [ 49.783015][ T4421] cleanup_mnt+0x37c/0x404 [ 49.783650][ T4421] __cleanup_mnt+0x20/0x30 [ 49.784268][ T4421] task_work_run+0x1ec/0x270 [ 49.784941][ T4421] do_notify_resume+0x2038/0x2b28 [ 49.785680][ T4421] el0_svc+0x98/0x138 [ 49.786218][ T4421] el0t_64_sync_handler+0x84/0xf0 [ 49.786923][ T4421] el0t_64_sync+0x18c/0x190 [ 49.787575][ T4421] irq event stamp: 173914 [ 49.788207][ T4421] hardirqs last enabled at (173913): [] folio_memcg_lock+0xe8/0x1fc [ 49.789586][ T4421] hardirqs last disabled at (173914): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 49.791139][ T4421] softirqs last enabled at (173622): [] local_bh_enable+0x10/0x34 [ 49.792526][ T4421] softirqs last disabled at (173620): [] local_bh_disable+0x10/0x34 [ 49.794010][ T4421] ---[ end trace 0000000000000000 ]--- [ 49.825160][ T4421] ------------[ cut here ]------------ [ 49.826055][ T4421] WARNING: CPU: 0 PID: 4421 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 49.827646][ T4421] Modules linked in: [ 49.828221][ T4421] CPU: 0 PID: 4421 Comm: syz-executor Tainted: G W syzkaller #0 [ 49.829620][ T4421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.831029][ T4421] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.832202][ T4421] pc : __folio_start_writeback+0x868/0xa68 [ 49.833120][ T4421] lr : __folio_start_writeback+0x868/0xa68 [ 49.833953][ T4421] sp : ffff800020e17180 [ 49.834545][ T4421] x29: ffff800020e17260 x28: dfff800000000000 x27: 0000000000000000 [ 49.835716][ T4421] x26: ffff7000041c2e38 x25: 0000000000000000 x24: ffff0000da27a250 [ 49.836820][ T4421] x23: ffff800020e171e0 x22: ffff0000c049c7e8 x21: 0000000000000001 [ 49.838016][ T4421] x20: fffffc0003772988 x19: fffffc0003772980 x18: ffff800011a6bd40 [ 49.839117][ T4421] x17: ffff800018186000 x16: ffff8000082d35d8 x15: 0000000000000000 [ 49.840360][ T4421] x14: 0000000000000406 x13: 1ffff00002a0a0b1 x12: 0000000000ff0100 [ 49.841602][ T4421] x11: ff00800008700c1c x10: 0000000000000000 x9 : ffff800008700c1c [ 49.842740][ T4421] x8 : ffff0000d6c35340 x7 : ffff80000870069c x6 : 0000000000000000 [ 49.843823][ T4421] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000087006dc [ 49.844885][ T4421] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.846019][ T4421] Call trace: [ 49.846497][ T4421] __folio_start_writeback+0x868/0xa68 [ 49.847259][ T4421] set_page_writeback+0x5c/0x7c [ 49.847976][ T4421] gfs2_aspace_writepage+0x520/0x6e8 [ 49.848729][ T4421] __gfs2_writepage+0x70/0x18c [ 49.849378][ T4421] write_cache_pages+0x73c/0xdd4 [ 49.850090][ T4421] gfs2_ail1_flush+0x7c0/0xa00 [ 49.850772][ T4421] empty_ail1_list+0x110/0x1ec [ 49.851452][ T4421] gfs2_log_flush+0x1258/0x1aa0 [ 49.852140][ T4421] gfs2_kill_sb+0x5c/0xd4 [ 49.852758][ T4421] deactivate_locked_super+0xac/0x124 [ 49.853554][ T4421] deactivate_super+0xe8/0x108 [ 49.854306][ T4421] cleanup_mnt+0x37c/0x404 [ 49.854963][ T4421] __cleanup_mnt+0x20/0x30 [ 49.855618][ T4421] task_work_run+0x1ec/0x270 [ 49.856285][ T4421] do_notify_resume+0x2038/0x2b28 [ 49.857039][ T4421] el0_svc+0x98/0x138 [ 49.857618][ T4421] el0t_64_sync_handler+0x84/0xf0 [ 49.858397][ T4421] el0t_64_sync+0x18c/0x190 [ 49.859031][ T4421] irq event stamp: 174122 [ 49.859635][ T4421] hardirqs last enabled at (174121): [] folio_memcg_lock+0xe8/0x1fc [ 49.861020][ T4421] hardirqs last disabled at (174122): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 49.862514][ T4421] softirqs last enabled at (174098): [] handle_softirqs+0xaf8/0xc6c [ 49.863944][ T4421] softirqs last disabled at (173917): [] __do_softirq+0x14/0x20 [ 49.865232][ T4421] ---[ end trace 0000000000000000 ]--- [ 49.868414][ C1] ------------[ cut here ]------------ [ 49.869291][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 49.870746][ C1] Modules linked in: [ 49.871314][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 49.872578][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.874067][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.875146][ C1] pc : __folio_end_writeback+0x7d4/0x9e0 [ 49.875955][ C1] lr : __folio_end_writeback+0x7d4/0x9e0 [ 49.876781][ C1] sp : ffff80001c8c7960 [ 49.877390][ C1] x29: ffff80001c8c7980 x28: dfff800000000000 x27: ffff0000c049c7e8 [ 49.878570][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006b0b18 [ 49.879754][ C1] x23: 0000000000000001 x22: ffff0000da2782a0 x21: ffff0000da2782a8 [ 49.880898][ C1] x20: 0000000000000001 x19: fffffc00035858c0 x18: ffff800011a6bd40 [ 49.882023][ C1] x17: 1fffe00033eeb97e x16: ffff8000082d35d8 x15: 0000000000000000 [ 49.883274][ C1] x14: 0000000000000002 x13: 1ffff00002a0a0b1 x12: 0000000000ff0100 [ 49.884429][ C1] x11: ff008000087001a8 x10: 0000000000000000 x9 : ffff8000087001a8 [ 49.885620][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.886802][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 49.887924][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 49.889176][ C1] Call trace: [ 49.889651][ C1] __folio_end_writeback+0x7d4/0x9e0 [ 49.890421][ C1] folio_end_writeback+0x12c/0x41c [ 49.891177][ C1] end_page_writeback+0x58/0x74 [ 49.891853][ C1] end_buffer_async_write+0x32c/0x508 [ 49.892706][ C1] end_bio_bh_io_sync+0xb0/0x1e0 [ 49.893413][ C1] bio_endio+0x770/0x7b4 [ 49.894052][ C1] blk_update_request+0x49c/0xbec [ 49.894857][ C1] blk_mq_end_request+0x54/0x88 [ 49.895590][ C1] lo_complete_rq+0x1ec/0x250 [ 49.896272][ C1] blk_done_softirq+0x11c/0x168 [ 49.896939][ C1] handle_softirqs+0x318/0xc6c [ 49.897633][ C1] run_ksoftirqd+0x7c/0x2b0 [ 49.898271][ C1] smpboot_thread_fn+0x4b0/0x964 [ 49.899076][ C1] kthread+0x250/0x2d8 [ 49.899676][ C1] ret_from_fork+0x10/0x20 [ 49.900301][ C1] irq event stamp: 410573 [ 49.900873][ C1] hardirqs last enabled at (410572): [] folio_memcg_lock+0xe8/0x1fc [ 49.902173][ C1] hardirqs last disabled at (410573): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 49.903633][ C1] softirqs last enabled at (410562): [] handle_softirqs+0xaf8/0xc6c [ 49.905069][ C1] softirqs last disabled at (410567): [] run_ksoftirqd+0x7c/0x2b0 [ 49.906429][ C1] ---[ end trace 0000000000000000 ]---