Warning: Permanently added '10.128.1.147' (ED25519) to the list of known hosts. 1970/01/01 00:00:31 parsed 1 programs syzkaller login: [ 32.171625][ T4326] cgroup: Unknown subsys name 'net' [ 32.462322][ T4326] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.747270][ T4326] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.120555][ T4368] chnl_net:caif_netlink_parms(): no params data found [ 39.137311][ T4368] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.138472][ T4368] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.140007][ T4368] device bridge_slave_0 entered promiscuous mode [ 39.142262][ T4368] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.143345][ T4368] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.144674][ T4368] device bridge_slave_1 entered promiscuous mode [ 39.153813][ T4368] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.156116][ T4368] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.162950][ T4368] team0: Port device team_slave_0 added [ 39.164625][ T4368] team0: Port device team_slave_1 added [ 39.170834][ T4368] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.171986][ T4368] 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. [ 39.175810][ T4368] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.178140][ T4368] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.179241][ T4368] 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. [ 39.183100][ T4368] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.250681][ T4368] device hsr_slave_0 entered promiscuous mode [ 39.289915][ T4368] device hsr_slave_1 entered promiscuous mode [ 39.382881][ T4368] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 39.423054][ T4368] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 39.462065][ T4368] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 39.502003][ T4368] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 39.560008][ T4368] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.561118][ T4368] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.562328][ T4368] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.563443][ T4368] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.579581][ T4368] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.583849][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.586245][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.587872][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.594595][ T4368] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.597704][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.600421][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.601601][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.604411][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.605927][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.606989][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.613425][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 39.615076][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 39.617850][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 39.621417][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.624170][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.626533][ T4368] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 39.692922][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 39.694243][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 39.697600][ T4368] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.703876][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.709515][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.711565][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.713046][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.715866][ T4368] device veth0_vlan entered promiscuous mode [ 39.719430][ T4368] device veth1_vlan entered promiscuous mode [ 39.731677][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 39.733175][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 39.734620][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.736853][ T4368] device veth0_macvtap entered promiscuous mode [ 39.739057][ T4368] device veth1_macvtap entered promiscuous mode [ 39.749476][ T4368] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.751937][ T269] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.754738][ T269] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 39.757702][ T4368] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.759026][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.761825][ T4368] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.763201][ T4368] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.764468][ T4368] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.765834][ T4368] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.234818][ T4415] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.236376][ T4417] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.237664][ T4417] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.239136][ T4417] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.240943][ T4417] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.242299][ T4417] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.453171][ T269] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.454457][ T269] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.457078][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.474719][ T1619] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.475921][ T1619] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.477576][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:40 executed programs: 0 [ 40.673565][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.675118][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.676395][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.677903][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.679196][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.681015][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.959426][ T4433] chnl_net:caif_netlink_parms(): no params data found [ 40.978193][ T4433] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.979431][ T4433] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.981441][ T4433] device bridge_slave_0 entered promiscuous mode [ 40.983383][ T4433] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.984528][ T4433] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.985983][ T4433] device bridge_slave_1 entered promiscuous mode [ 40.993817][ T4433] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.996185][ T4433] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.002912][ T4433] team0: Port device team_slave_0 added [ 41.005236][ T4433] team0: Port device team_slave_1 added [ 41.011029][ T4433] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.012143][ T4433] 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. [ 41.015984][ T4433] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.018074][ T4433] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.019169][ T4433] 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. [ 41.023365][ T4433] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.340980][ T39] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.381127][ T4433] device hsr_slave_0 entered promiscuous mode [ 41.420127][ T4433] device hsr_slave_1 entered promiscuous mode [ 41.459724][ T4433] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.461180][ T4433] Cannot create hsr debugfs directory [ 42.729988][ T4415] Bluetooth: hci0: command 0x0409 tx timeout [ 44.161140][ T39] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.820119][ T47] Bluetooth: hci0: command 0x041b tx timeout [ 45.321015][ T39] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.401511][ T39] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.309310][ T4433] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 46.433168][ T4433] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 46.481042][ T4433] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 46.561604][ T4433] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 46.680874][ T4433] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.684191][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.685754][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.688144][ T4433] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.690664][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.692288][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.693700][ T1619] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.694802][ T1619] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.696611][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.698923][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.701559][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.703020][ T1619] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.704100][ T1619] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.753475][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.756130][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.758567][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.760552][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.762126][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.764564][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.766096][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.768447][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.770217][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.772686][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.774187][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.776699][ T4433] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.894900][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.896152][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.898855][ T4433] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.899837][ T47] Bluetooth: hci0: command 0x040f tx timeout [ 46.904334][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.905819][ T1619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.911796][ T4433] device veth0_vlan entered promiscuous mode [ 46.971489][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.973163][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.976025][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.977506][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.979396][ T4433] device veth1_vlan entered promiscuous mode [ 46.986131][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 46.987636][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 46.989065][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.990536][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.992843][ T4433] device veth0_macvtap entered promiscuous mode [ 46.995052][ T4433] device veth1_macvtap entered promiscuous mode [ 46.999100][ T4433] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 47.000902][ T4433] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.002920][ T4433] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.004251][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.005736][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.007173][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.008684][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.053059][ T4433] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 47.054696][ T4433] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.056603][ T4433] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.057807][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.059386][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.062567][ T4433] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.063983][ T4433] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.065356][ T4433] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.066741][ T4433] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.084107][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.088186][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.092423][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 47.094303][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.095552][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.097181][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 47.244067][ T4534] loop0: detected capacity change from 0 to 32768 [ 47.245711][ T4534] ======================================================= [ 47.245711][ T4534] WARNING: The mand mount option has been deprecated and [ 47.245711][ T4534] and is ignored by this kernel. Remove the mand [ 47.245711][ T4534] option from the mount to silence this warning. [ 47.245711][ T4534] ======================================================= [ 47.253939][ T4534] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 47.255214][ T4534] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 47.262116][ T4534] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 47.264644][ T4395] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 47.265669][ T4395] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 47.282738][ T4395] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 17ms [ 47.284386][ T4395] gfs2: fsid=syz:syz.0: jid=0: Done [ 47.285862][ T4534] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 47.338334][ T4534] ------------[ cut here ]------------ [ 47.339342][ T4534] WARNING: CPU: 1 PID: 4534 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 47.340833][ T4534] Modules linked in: [ 47.341435][ T4534] CPU: 1 PID: 4534 Comm: syz.0.17 Not tainted syzkaller #0 [ 47.342524][ T4534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.343955][ T4534] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.345084][ T4534] pc : __folio_mark_dirty+0x8a0/0xce0 [ 47.345907][ T4534] lr : __folio_mark_dirty+0x8a0/0xce0 [ 47.346720][ T4534] sp : ffff8000217470e0 [ 47.347317][ T4534] x29: ffff800021747100 x28: 1fffff800065efd0 x27: dfff800000000000 [ 47.348522][ T4534] x26: 0000000000000000 x25: ffff0000c058be90 x24: 0000000000000001 [ 47.349657][ T4534] x23: 0000000000000000 x22: fffffc00032f7e88 x21: 1fffe000180b17d2 [ 47.350923][ T4534] x20: ffff0000d20b0d30 x19: fffffc00032f7e80 x18: ffff800011abbcc0 [ 47.352085][ T4534] x17: ffff8000181f9000 x16: ffff8000082d10fc x15: ffff800017cda000 [ 47.353303][ T4534] x14: ffff0000dc21ddd8 x13: ffff0000dc21dea0 x12: 0000000000ff0100 [ 47.354499][ T4534] x11: ff008000086fbd44 x10: 0000000000000000 x9 : ffff8000086fbd44 [ 47.355719][ T4534] x8 : ffff0000dc21d340 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.356886][ T4534] x5 : ffff8000183b0578 x4 : 0000000000000008 x3 : ffff800008a46b60 [ 47.358073][ T4534] x2 : ffff0000cf02a060 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.359298][ T4534] Call trace: [ 47.359766][ T4534] __folio_mark_dirty+0x8a0/0xce0 [ 47.360491][ T4534] mark_buffer_dirty+0x2b8/0x5cc [ 47.361197][ T4534] gfs2_unpin+0x120/0x914 [ 47.361897][ T4534] buf_lo_after_commit+0x140/0x188 [ 47.362675][ T4534] gfs2_log_flush+0xbc8/0x1aa0 [ 47.363410][ T4534] gfs2_trans_end+0x2e8/0x4b4 [ 47.364213][ T4534] alloc_dinode+0x2e8/0x3fc [ 47.364993][ T4534] gfs2_create_inode+0xa20/0x10d4 [ 47.365866][ T4534] gfs2_atomic_open+0xc8/0x1c4 [ 47.366660][ T4534] path_openat+0xb40/0x2680 [ 47.367450][ T4534] do_filp_open+0x174/0x344 [ 47.368195][ T4534] do_sys_openat2+0x128/0x3d8 [ 47.368932][ T4534] __arm64_sys_openat+0x120/0x154 [ 47.369722][ T4534] invoke_syscall+0x98/0x2bc [ 47.370407][ T4534] el0_svc_common+0x138/0x258 [ 47.371135][ T4534] do_el0_svc+0x58/0x13c [ 47.371763][ T4534] el0_svc+0x58/0x138 [ 47.372408][ T4534] el0t_64_sync_handler+0x84/0xf0 [ 47.373151][ T4534] el0t_64_sync+0x18c/0x190 [ 47.373838][ T4534] irq event stamp: 122748 [ 47.374477][ T4534] hardirqs last enabled at (122747): [] folio_memcg_lock+0xe8/0x1fc [ 47.375927][ T4534] hardirqs last disabled at (122748): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 47.377503][ T4534] softirqs last enabled at (121776): [] local_bh_enable+0x10/0x34 [ 47.378811][ T4534] softirqs last disabled at (121774): [] local_bh_disable+0x10/0x34 [ 47.380211][ T4534] ---[ end trace 0000000000000000 ]--- [ 47.388242][ T4433] ------------[ cut here ]------------ [ 47.389372][ T4433] WARNING: CPU: 0 PID: 4433 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 47.391092][ T4433] Modules linked in: [ 47.391674][ T4433] CPU: 0 PID: 4433 Comm: syz-executor Tainted: G W syzkaller #0 [ 47.393135][ T4433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.394683][ T4433] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.395853][ T4433] pc : __folio_start_writeback+0x868/0xa68 [ 47.396728][ T4433] lr : __folio_start_writeback+0x868/0xa68 [ 47.397689][ T4433] sp : ffff800021347180 [ 47.398321][ T4433] x29: ffff800021347260 x28: dfff800000000000 x27: 0000000000000000 [ 47.399463][ T4433] x26: ffff700004268e38 x25: 0000000000000000 x24: ffff0000d20b0d30 [ 47.400653][ T4433] x23: ffff8000213471e0 x22: ffff0000c058bce8 x21: 0000000000000001 [ 47.401816][ T4433] x20: fffffc00032f7e88 x19: fffffc00032f7e80 x18: ffff800011abbcc0 [ 47.403046][ T4433] x17: ffff8000181f9000 x16: ffff8000082d10fc x15: ffff800017cda000 [ 47.404182][ T4433] x14: ffff0000cd8fc218 x13: ffff0000cd8fc290 x12: 0000000000ff0100 [ 47.405344][ T4433] x11: ff008000086fe25c x10: 0000000000000000 x9 : ffff8000086fe25c [ 47.406518][ T4433] x8 : ffff0000cd8fb780 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.407801][ T4433] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000086fdd1c [ 47.409061][ T4433] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.410321][ T4433] Call trace: [ 47.410840][ T4433] __folio_start_writeback+0x868/0xa68 [ 47.411636][ T4433] set_page_writeback+0x5c/0x7c [ 47.412426][ T4433] gfs2_aspace_writepage+0x520/0x6e8 [ 47.413206][ T4433] __gfs2_writepage+0x70/0x18c [ 47.413882][ T4433] write_cache_pages+0x73c/0xdd4 [ 47.414651][ T4433] gfs2_ail1_flush+0x7c0/0xa00 [ 47.415368][ T4433] empty_ail1_list+0x110/0x1ec [ 47.416059][ T4433] gfs2_log_flush+0x1258/0x1aa0 [ 47.416746][ T4433] gfs2_kill_sb+0x5c/0xd4 [ 47.417353][ T4433] deactivate_locked_super+0xac/0x124 [ 47.418100][ T4433] deactivate_super+0xe8/0x108 [ 47.418837][ T4433] cleanup_mnt+0x37c/0x404 [ 47.419524][ T4433] __cleanup_mnt+0x20/0x30 [ 47.420162][ T4433] task_work_run+0x1ec/0x270 [ 47.420960][ T4433] do_notify_resume+0x2038/0x2b28 [ 47.421823][ T4433] el0_svc+0x98/0x138 [ 47.422463][ T4433] el0t_64_sync_handler+0x84/0xf0 [ 47.423245][ T4433] el0t_64_sync+0x18c/0x190 [ 47.423919][ T4433] irq event stamp: 166768 [ 47.424542][ T4433] hardirqs last enabled at (166767): [] folio_memcg_lock+0xe8/0x1fc [ 47.426058][ T4433] hardirqs last disabled at (166768): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 47.427568][ T4433] softirqs last enabled at (166502): [] local_bh_enable+0x10/0x34 [ 47.428993][ T4433] softirqs last disabled at (166500): [] local_bh_disable+0x10/0x34 [ 47.430330][ T4433] ---[ end trace 0000000000000000 ]--- [ 47.435787][ C0] ------------[ cut here ]------------ [ 47.436731][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 47.438218][ C0] Modules linked in: [ 47.438813][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 47.440060][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.441484][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 47.442646][ C0] pc : __folio_end_writeback+0x7d4/0x9e0 [ 47.443468][ C0] lr : __folio_end_writeback+0x7d4/0x9e0 [ 47.444287][ C0] sp : ffff80001c8c7960 [ 47.444924][ C0] x29: ffff80001c8c7980 x28: dfff800000000000 x27: ffff0000c058bce8 [ 47.446149][ C0] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff80006710e8 [ 47.447383][ C0] x23: 0000000000000001 x22: ffff0000de5bc2a0 x21: ffff0000de5bc2a8 [ 47.448610][ C0] x20: 0000000000000001 x19: fffffc0003388740 x18: ffff800011abbcc0 [ 47.449864][ C0] x17: 1fffe00033ed797e x16: ffff8000082d10fc x15: 0000000000000000 [ 47.451079][ C0] x14: 0000000000000002 x13: 1ffff00002a180b1 x12: 0000000000ff0100 [ 47.452277][ C0] x11: ff008000086fd7e8 x10: 0000000000000000 x9 : ffff8000086fd7e8 [ 47.453474][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 47.454684][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 47.455851][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 47.457011][ C0] Call trace: [ 47.457485][ C0] __folio_end_writeback+0x7d4/0x9e0 [ 47.458256][ C0] folio_end_writeback+0x12c/0x41c [ 47.459020][ C0] end_page_writeback+0x58/0x74 [ 47.459756][ C0] end_buffer_async_write+0x32c/0x508 [ 47.460562][ C0] end_bio_bh_io_sync+0xb0/0x1e0 [ 47.461284][ C0] bio_endio+0x770/0x7b4 [ 47.461928][ C0] blk_update_request+0x49c/0xbec [ 47.462666][ C0] blk_mq_end_request+0x54/0x88 [ 47.463375][ C0] lo_complete_rq+0x1ec/0x250 [ 47.464086][ C0] blk_done_softirq+0x11c/0x168 [ 47.464810][ C0] handle_softirqs+0x318/0xc6c [ 47.465497][ C0] run_ksoftirqd+0x7c/0x2a0 [ 47.466159][ C0] smpboot_thread_fn+0x4b0/0x964 [ 47.466885][ C0] kthread+0x250/0x2d8 [ 47.467487][ C0] ret_from_fork+0x10/0x20 [ 47.468141][ C0] irq event stamp: 467971 [ 47.468773][ C0] hardirqs last enabled at (467970): [] folio_memcg_lock+0xe8/0x1fc [ 47.470194][ C0] hardirqs last disabled at (467971): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 47.471698][ C0] softirqs last enabled at (467960): [] handle_softirqs+0xaf8/0xc6c [ 47.473061][ C0] softirqs last disabled at (467965): [] run_ksoftirqd+0x7c/0x2a0 [ 47.474379][ C0] ---[ end trace 0000000000000000 ]---