Warning: Permanently added '10.128.1.42' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs 1970/01/01 00:00:31 serving rpc on tcp://45699 [ 32.181737][ T4339] cgroup: Unknown subsys name 'net' [ 32.400049][ T4339] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.701359][ T4339] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 36.208109][ T4360] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.209523][ T4360] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.210801][ T4360] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.212182][ T4360] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.213444][ T4360] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.214596][ T4360] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 36.660684][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.661935][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.663648][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 36.674461][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 36.675588][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.676790][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 36.957595][ T4392] chnl_net:caif_netlink_parms(): no params data found [ 36.974184][ T4392] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.975356][ T4392] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.976758][ T4392] device bridge_slave_0 entered promiscuous mode [ 36.981674][ T4392] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.982798][ T4392] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.984831][ T4392] device bridge_slave_1 entered promiscuous mode [ 36.991071][ T4392] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.993249][ T4392] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.002670][ T4392] team0: Port device team_slave_0 added [ 37.004272][ T4392] team0: Port device team_slave_1 added [ 37.009520][ T4392] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.010546][ T4392] 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. [ 37.014168][ T4392] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.016634][ T4392] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.018359][ T4392] 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. [ 37.022145][ T4392] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.058336][ T4392] device hsr_slave_0 entered promiscuous mode [ 37.099625][ T4392] device hsr_slave_1 entered promiscuous mode [ 37.159308][ T4392] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.188618][ T4392] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.217989][ T4392] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.269039][ T4392] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.323006][ T4392] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.324164][ T4392] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.325574][ T4392] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.326614][ T4392] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.343075][ T4392] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.346706][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.349051][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.350574][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.354395][ T4392] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.360570][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.362232][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.363346][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.378374][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.379932][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.380955][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.384303][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 37.385966][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 37.389763][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 37.392484][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.395131][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.397919][ T4392] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 37.460084][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 37.461422][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 37.464173][ T4392] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.469805][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.475580][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.478695][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 37.480024][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 37.491802][ T4392] device veth0_vlan entered promiscuous mode [ 37.494741][ T4392] device veth1_vlan entered promiscuous mode [ 37.501448][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 37.502925][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 37.504406][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.509025][ T4392] device veth0_macvtap entered promiscuous mode [ 37.511354][ T4392] device veth1_macvtap entered promiscuous mode [ 37.516120][ T4392] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 37.518473][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.520475][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 37.533742][ T4392] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 37.534976][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.538124][ T4392] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.539424][ T4392] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.540561][ T4392] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.541882][ T4392] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:39 executed programs: 0 [ 39.065458][ T4360] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 39.067117][ T4360] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 39.068430][ T4360] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 39.069929][ T4360] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 39.071260][ T4360] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 39.072458][ T4360] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 39.408591][ T4443] chnl_net:caif_netlink_parms(): no params data found [ 39.469181][ T59] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.486085][ T4443] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.489639][ T4443] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.491020][ T4443] device bridge_slave_0 entered promiscuous mode [ 39.492982][ T4443] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.493984][ T4443] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.495359][ T4443] device bridge_slave_1 entered promiscuous mode [ 39.502058][ T4443] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.504544][ T4443] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.511634][ T4443] team0: Port device team_slave_0 added [ 39.513392][ T4443] team0: Port device team_slave_1 added [ 39.518504][ T4443] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.519568][ T4443] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 39.523201][ T4443] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.525480][ T4443] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.526498][ T4443] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 39.530624][ T4443] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.587854][ T4443] device hsr_slave_0 entered promiscuous mode [ 39.627092][ T4443] device hsr_slave_1 entered promiscuous mode [ 39.666929][ T4443] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 39.668134][ T4443] Cannot create hsr debugfs directory [ 41.131752][ T4360] Bluetooth: hci0: command 0x0409 tx timeout [ 42.278280][ T59] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.207143][ T4360] Bluetooth: hci0: command 0x041b tx timeout [ 43.557951][ T59] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.638897][ T59] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.668128][ T4443] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 44.717984][ T4443] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 44.849627][ T4443] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 44.898427][ T4443] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.006024][ T4443] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.009419][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.010895][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.013484][ T4443] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.016170][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.018792][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.020206][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.021209][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.022702][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.025017][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.026398][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.028336][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.029375][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.079430][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.082266][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.084724][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.086261][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.087767][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.090283][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.091803][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.094610][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.096035][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.099576][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.101045][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.103452][ T4443] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.173174][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.174461][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.177913][ T4443] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.183454][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 45.185013][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.254201][ T4443] device veth0_vlan entered promiscuous mode [ 45.257292][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 45.258826][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.260454][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.261798][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.263366][ T4443] device veth1_vlan entered promiscuous mode [ 45.269426][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 45.270883][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 45.272318][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 45.273693][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.275883][ T4443] device veth0_macvtap entered promiscuous mode [ 45.278154][ T4443] device veth1_macvtap entered promiscuous mode [ 45.282982][ T4443] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 45.284640][ T4443] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 45.286806][ T4443] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.287011][ T4360] Bluetooth: hci0: command 0x040f tx timeout [ 45.289192][ T4443] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 45.290796][ T4443] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 45.292654][ T4443] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.294722][ T4443] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.296027][ T4443] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.298222][ T4443] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.299457][ T4443] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.301285][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 45.302768][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 45.304089][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 45.305542][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.307451][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 45.308952][ T244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.388176][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.389358][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.391120][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 45.398736][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.400026][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.401238][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 45.430757][ T59] device hsr_slave_0 left promiscuous mode [ 45.490492][ T59] device hsr_slave_1 left promiscuous mode [ 45.543761][ T4528] loop0: detected capacity change from 0 to 32768 [ 45.558900][ T4528] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 45.560280][ T4528] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 45.567921][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 45.569077][ T59] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 45.571558][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 45.572678][ T59] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 45.574229][ T59] device bridge_slave_1 left promiscuous mode [ 45.576070][ T59] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.582802][ T4528] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 45.585021][ T4401] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 45.586121][ T4401] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 45.600020][ T4401] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 13ms [ 45.601478][ T4401] gfs2: fsid=syz:syz.0: jid=0: Done [ 45.602423][ T4528] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 45.609327][ T59] device bridge_slave_0 left promiscuous mode [ 45.610335][ T59] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.727839][ T4443] ------------[ cut here ]------------ [ 45.728788][ T4443] WARNING: CPU: 1 PID: 4443 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8b8/0xce0 [ 45.730386][ T4443] Modules linked in: [ 45.731023][ T4443] CPU: 1 PID: 4443 Comm: syz-executor Not tainted syzkaller #0 [ 45.732100][ T4443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 45.733558][ T4443] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 45.734682][ T4443] pc : __folio_mark_dirty+0x8b8/0xce0 [ 45.735577][ T4443] lr : __folio_mark_dirty+0x8b8/0xce0 [ 45.736393][ T4443] sp : ffff800020ea7620 [ 45.736964][ T4443] x29: ffff800020ea7630 x28: 1fffff80006663f0 x27: 0000000000000000 [ 45.738058][ T4443] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c523be98 [ 45.739122][ T4443] x23: 0000000000000001 x22: 0000000000000000 x21: 1fffe00018a477d3 [ 45.740140][ T4443] x20: ffff0000f0f887e8 x19: fffffc0003331f80 x18: 1fffe00033e7697e [ 45.741247][ T4443] x17: ffff80001537d000 x16: ffff8000082dba2c x15: 000000000004ffff [ 45.742472][ T4443] x14: 0000000000000001 x13: 1fffe00018a477d3 x12: 0000000000000000 [ 45.743670][ T4443] x11: ff008000087148ac x10: 0000000000000000 x9 : ffff8000087148ac [ 45.744747][ T4443] x8 : ffff0000ccb35400 x7 : 0000000000000000 x6 : 0000000000000000 [ 45.745848][ T4443] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a66314 [ 45.747041][ T4443] x2 : ffff0000ceb60060 x1 : 0000000000000000 x0 : 0000000000000000 [ 45.748123][ T4443] Call trace: [ 45.748621][ T4443] __folio_mark_dirty+0x8b8/0xce0 [ 45.749329][ T4443] mark_buffer_dirty+0x2b8/0x5c0 [ 45.750028][ T4443] gfs2_unpin+0x128/0x918 [ 45.750612][ T4443] buf_lo_after_commit+0x144/0x18c [ 45.751348][ T4443] __gfs2_log_flush+0x12e8/0x1bd4 [ 45.752043][ T4443] gfs2_log_flush+0x3c/0x58 [ 45.752726][ T4443] gfs2_kill_sb+0x5c/0xd8 [ 45.753347][ T4443] deactivate_locked_super+0xb4/0x128 [ 45.754072][ T4443] deactivate_super+0xe4/0x104 [ 45.754697][ T4443] cleanup_mnt+0x3a8/0x430 [ 45.755385][ T4443] __cleanup_mnt+0x20/0x30 [ 45.756022][ T4443] task_work_run+0x1f4/0x280 [ 45.756671][ T4443] get_signal+0x1140/0x133c [ 45.757381][ T4443] do_notify_resume+0x364/0x2c84 [ 45.758093][ T4443] el0_svc+0x98/0x128 [ 45.758677][ T4443] el0t_64_sync_handler+0x84/0xf0 [ 45.759433][ T4443] el0t_64_sync+0x18c/0x190 [ 45.760095][ T4443] irq event stamp: 151438 [ 45.760694][ T4443] hardirqs last enabled at (151437): [] folio_memcg_lock+0xe8/0x1f8 [ 45.762010][ T4443] hardirqs last disabled at (151438): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 45.763433][ T4443] softirqs last enabled at (151410): [] handle_softirqs+0xb1c/0xc90 [ 45.764813][ T4443] softirqs last disabled at (151397): [] __do_softirq+0x14/0x20 [ 45.766058][ T4443] ---[ end trace 0000000000000000 ]--- [ 45.768621][ T59] device veth1_macvtap left promiscuous mode [ 45.769638][ T59] device veth0_macvtap left promiscuous mode [ 45.770641][ T59] device veth1_vlan left promiscuous mode [ 45.771528][ T59] device veth0_vlan left promiscuous mode [ 45.777778][ T4443] ------------[ cut here ]------------ [ 45.778651][ T4443] WARNING: CPU: 0 PID: 4443 at include/linux/backing-dev.h:247 __folio_start_writeback+0x8a8/0xa98 [ 45.780211][ T4443] Modules linked in: [ 45.780805][ T4443] CPU: 0 PID: 4443 Comm: syz-executor Tainted: G W syzkaller #0 [ 45.782186][ T4443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 45.783659][ T4443] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 45.784735][ T4443] pc : __folio_start_writeback+0x8a8/0xa98 [ 45.785551][ T4443] lr : __folio_start_writeback+0x8a8/0xa98 [ 45.786417][ T4443] sp : ffff800020ea70a0 [ 45.787092][ T4443] x29: ffff800020ea7180 x28: ffff7000041d4e1c x27: 0000000000000000 [ 45.788377][ T4443] x26: ffff0000c523bcf0 x25: 1fffff80006663f1 x24: dfff800000000000 [ 45.789679][ T4443] x23: ffff0000f0f887e8 x22: ffff800020ea7100 x21: ffff0000c523be98 [ 45.791006][ T4443] x20: 0000000000000001 x19: fffffc0003331f80 x18: 1fffe00033e7277e [ 45.792319][ T4443] x17: ffff80001537d000 x16: ffff8000082dba2c x15: 0000000000000000 [ 45.793543][ T4443] x14: 0000000000000001 x13: 1fffff80006663f0 x12: 0000000000000000 [ 45.794718][ T4443] x11: ff00800008716dd0 x10: 0000000000000000 x9 : ffff800008716dd0 [ 45.795968][ T4443] x8 : ffff0000ccb35400 x7 : ffff800008716820 x6 : 0000000000000000 [ 45.797067][ T4443] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000871685c [ 45.798309][ T4443] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 45.799479][ T4443] Call trace: [ 45.799955][ T4443] __folio_start_writeback+0x8a8/0xa98 [ 45.800724][ T4443] set_page_writeback+0x5c/0x7c [ 45.801444][ T4443] gfs2_aspace_writepage+0x524/0x6f4 [ 45.802154][ T4443] __gfs2_writepage+0x70/0x184 [ 45.802811][ T4443] write_cache_pages+0x760/0xe00 [ 45.803542][ T4443] gfs2_ail1_flush+0x7a8/0x9f0 [ 45.804243][ T4443] empty_ail1_list+0x130/0x214 [ 45.804923][ T4443] __gfs2_log_flush+0x15c8/0x1bd4 [ 45.805655][ T4443] gfs2_log_flush+0x3c/0x58 [ 45.806291][ T4443] gfs2_kill_sb+0x5c/0xd8 [ 45.807034][ T4443] deactivate_locked_super+0xb4/0x128 [ 45.807777][ T4443] deactivate_super+0xe4/0x104 [ 45.808463][ T4443] cleanup_mnt+0x3a8/0x430 [ 45.809080][ T4443] __cleanup_mnt+0x20/0x30 [ 45.809711][ T4443] task_work_run+0x1f4/0x280 [ 45.810362][ T4443] get_signal+0x1140/0x133c [ 45.811001][ T4443] do_notify_resume+0x364/0x2c84 [ 45.811716][ T4443] el0_svc+0x98/0x128 [ 45.812341][ T4443] el0t_64_sync_handler+0x84/0xf0 [ 45.813131][ T4443] el0t_64_sync+0x18c/0x190 [ 45.813749][ T4443] irq event stamp: 151612 [ 45.814388][ T4443] hardirqs last enabled at (151611): [] folio_memcg_lock+0xe8/0x1f8 [ 45.815969][ T4443] hardirqs last disabled at (151612): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 45.817654][ T4443] softirqs last enabled at (151586): [] handle_softirqs+0xb1c/0xc90 [ 45.819240][ T4443] softirqs last disabled at (151441): [] __do_softirq+0x14/0x20 [ 45.820671][ T4443] ---[ end trace 0000000000000000 ]--- [ 45.824327][ C0] ------------[ cut here ]------------ [ 45.825266][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 45.826893][ C0] Modules linked in: [ 45.827536][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 45.828812][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 45.830266][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 45.831415][ C0] pc : __folio_end_writeback+0x7d0/0x9cc [ 45.832206][ C0] lr : __folio_end_writeback+0x7d0/0x9cc [ 45.833083][ C0] sp : ffff80001cb97980 [ 45.833704][ C0] x29: ffff80001cb979a0 x28: 1fffff800069f791 x27: 1fffff800069f790 [ 45.834863][ C0] x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c523bcf0 [ 45.836196][ C0] x23: ffff0000c523be98 x22: ffff0000f0f8b770 x21: ffff0000f0f8b778 [ 45.837445][ C0] x20: 0000000000000001 x19: fffffc00034fbc80 x18: 1fffe00033e7277e [ 45.838698][ C0] x17: ffff80001537d000 x16: ffff8000082dba2c x15: 0000000000000000 [ 45.839849][ C0] x14: 0000000000000003 x13: 1ffff00003972f22 x12: 0000000000000000 [ 45.841017][ C0] x11: ff0080000871632c x10: 0000000000000000 x9 : ffff80000871632c [ 45.842242][ C0] x8 : ffff0000c09b3800 x7 : 0000000000000000 x6 : 0000000000000000 [ 45.843470][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 45.844635][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 45.845732][ C0] Call trace: [ 45.846230][ C0] __folio_end_writeback+0x7d0/0x9cc [ 45.847014][ C0] folio_end_writeback+0x12c/0x410 [ 45.847752][ C0] end_page_writeback+0x58/0x74 [ 45.848443][ C0] end_buffer_async_write+0x330/0x4fc [ 45.849258][ C0] end_bio_bh_io_sync+0xb4/0x1e4 [ 45.849947][ C0] bio_endio+0x750/0x794 [ 45.850532][ C0] blk_update_request+0x4ac/0xc58 [ 45.851213][ C0] blk_mq_end_request+0x54/0x8c [ 45.851912][ C0] lo_complete_rq+0x1e8/0x238 [ 45.852567][ C0] blk_done_softirq+0x11c/0x168 [ 45.853255][ C0] handle_softirqs+0x318/0xc90 [ 45.853972][ C0] run_ksoftirqd+0x7c/0x2ac [ 45.854686][ C0] smpboot_thread_fn+0x4e8/0x960 [ 45.855437][ C0] kthread+0x254/0x2e0 [ 45.856178][ C0] ret_from_fork+0x10/0x20 [ 45.856942][ C0] irq event stamp: 484785 [ 45.857649][ C0] hardirqs last enabled at (484784): [] folio_memcg_lock+0xe8/0x1f8 [ 45.859121][ C0] hardirqs last disabled at (484785): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 45.860637][ C0] softirqs last enabled at (484774): [] handle_softirqs+0xb1c/0xc90 [ 45.862100][ C0] softirqs last disabled at (484779): [] run_ksoftirqd+0x7c/0x2ac [ 45.863469][ C0] ---[ end trace 0000000000000000 ]---