Warning: Permanently added '10.128.0.178' (ED25519) to the list of known hosts. 1970/01/01 00:00:33 parsed 1 programs syzkaller login: [ 35.100260][ T4050] cgroup: Unknown subsys name 'net' [ 35.315080][ T4050] cgroup: Unknown subsys name 'rlimit' [ 35.596456][ T4050] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 40.630610][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.632119][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.633569][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.641470][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.642933][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.644405][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 40.806608][ T4121] chnl_net:caif_netlink_parms(): no params data found [ 40.826681][ T4121] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.827877][ T4121] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.829447][ T4121] device bridge_slave_0 entered promiscuous mode [ 40.831714][ T4121] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.833304][ T4121] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.834849][ T4121] device bridge_slave_1 entered promiscuous mode [ 40.842920][ T4121] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 40.845358][ T4121] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 40.853265][ T4121] team0: Port device team_slave_0 added [ 40.855141][ T4121] team0: Port device team_slave_1 added [ 40.861679][ T4121] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.863240][ T4121] 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. [ 40.867267][ T4121] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.869599][ T4121] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.870650][ T4121] 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. [ 40.874600][ T4121] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.943557][ T4121] device hsr_slave_0 entered promiscuous mode [ 40.982634][ T4121] device hsr_slave_1 entered promiscuous mode [ 41.103866][ T4121] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.154111][ T4121] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.194448][ T4121] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.234122][ T4121] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.281175][ T4121] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.282432][ T4121] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.283626][ T4121] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.284778][ T4121] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.305724][ T4121] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.310062][ T1605] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.311951][ T1605] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.315665][ T1605] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.320337][ T4121] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.324475][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.325902][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.327073][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.333216][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.334766][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.335862][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.343887][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.345594][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.347140][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.348639][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.350133][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.354234][ T4121] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.393128][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.394494][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.397472][ T4121] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.404189][ T1722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.410899][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.412836][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.414273][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.416775][ T4121] device veth0_vlan entered promiscuous mode [ 41.420130][ T4121] device veth1_vlan entered promiscuous mode [ 41.427739][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.429303][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.430743][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.443027][ T4121] device veth0_macvtap entered promiscuous mode [ 41.445224][ T4121] device veth1_macvtap entered promiscuous mode [ 41.450573][ T4121] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.453219][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.455260][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.459150][ T4121] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.460510][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.463573][ T4121] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.464972][ T4121] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.466372][ T4121] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.467816][ T4121] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:41 executed programs: 0 [ 41.829165][ T357] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.873032][ T4144] chnl_net:caif_netlink_parms(): no params data found [ 41.889395][ T4144] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.890667][ T4144] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.892220][ T4144] device bridge_slave_0 entered promiscuous mode [ 41.894160][ T4144] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.895382][ T4144] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.896880][ T4144] device bridge_slave_1 entered promiscuous mode [ 41.904550][ T4144] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.906856][ T4144] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.914274][ T4144] team0: Port device team_slave_0 added [ 41.916061][ T4144] team0: Port device team_slave_1 added [ 41.921980][ T4144] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.923173][ T4144] 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. [ 41.927552][ T4144] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.930007][ T4144] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.931118][ T4144] 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. [ 41.935048][ T4144] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.993062][ T4144] device hsr_slave_0 entered promiscuous mode [ 42.042171][ T4144] device hsr_slave_1 entered promiscuous mode [ 42.092042][ T4144] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 42.093432][ T4144] Cannot create hsr debugfs directory [ 43.702289][ T3626] Bluetooth: hci0: command 0x0409 tx timeout [ 44.515065][ T357] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.782080][ T7] Bluetooth: hci0: command 0x041b tx timeout [ 46.764963][ T357] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.805661][ T357] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.707097][ T4144] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.743485][ T4144] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.783265][ T4144] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.853065][ T4144] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.862011][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 47.913728][ T4144] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.917317][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.918724][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.921150][ T4144] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.924277][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.925882][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.927655][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.928767][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.930347][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.932798][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.934308][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.935791][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.936899][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.939334][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.943743][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.945923][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.947752][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.949299][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.951708][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.954234][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.956915][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.958334][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.960746][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.964237][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.966719][ T4144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.002087][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.003394][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.006807][ T4144] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.012867][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.014649][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.020399][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.022414][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.024402][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.025858][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.028591][ T4144] device veth0_vlan entered promiscuous mode [ 48.031790][ T4144] device veth1_vlan entered promiscuous mode [ 48.038528][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 48.040112][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 48.041608][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 48.043280][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.045736][ T4144] device veth0_macvtap entered promiscuous mode [ 48.048246][ T4144] device veth1_macvtap entered promiscuous mode [ 48.053685][ T4144] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 48.055363][ T4144] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 48.057304][ T4144] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.058420][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 48.059868][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 48.061333][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 48.063311][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.065685][ T4144] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 48.067405][ T4144] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 48.069482][ T4144] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.070673][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 48.073070][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.075683][ T4144] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.077034][ T4144] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.078348][ T4144] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.079739][ T4144] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.096671][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.101605][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.104168][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 48.106279][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 48.107900][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 48.109628][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 48.248003][ T4249] loop0: detected capacity change from 0 to 32768 [ 48.299435][ T4249] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 48.300725][ T4249] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 48.322912][ T4249] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 48.325433][ T1540] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 48.326621][ T1540] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 48.345782][ T1540] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 19ms [ 48.348431][ T1540] gfs2: fsid=syz:syz.0: jid=0: Done [ 48.349535][ T4249] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 48.420521][ T4144] ------------[ cut here ]------------ [ 48.421552][ T4144] WARNING: CPU: 0 PID: 4144 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 48.422974][ T4144] Modules linked in: [ 48.423632][ T4144] CPU: 0 PID: 4144 Comm: syz-executor Not tainted 5.15.189-syzkaller #0 [ 48.425055][ T4144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.426800][ T4144] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.428007][ T4144] pc : __set_page_dirty+0x938/0xc74 [ 48.428817][ T4144] lr : __set_page_dirty+0x938/0xc74 [ 48.429710][ T4144] sp : ffff80001f7f7740 [ 48.430398][ T4144] x29: ffff80001f7f7750 x28: ffff0000d9898000 x27: 0000000000000000 [ 48.431788][ T4144] x26: dfff800000000000 x25: 1fffe00018092b51 x24: 0000000000000000 [ 48.433212][ T4144] x23: ffff0000c0495a88 x22: 0000000000000000 x21: 0000000000000001 [ 48.434538][ T4144] x20: ffff0000e865e250 x19: fffffc00034ce080 x18: 0000000000000002 [ 48.435882][ T4144] x17: ffff800016d04000 x16: ffff8000082bf708 x15: ffff8000167e4500 [ 48.437213][ T4144] x14: ffff0000ccf48a00 x13: ffff0000ccf48a78 x12: 0000000000ff0100 [ 48.438565][ T4144] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000868df08 [ 48.439880][ T4144] x8 : ffff0000ccf48000 x7 : 0000000000000000 x6 : 0000000000000000 [ 48.441223][ T4144] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80000898d6a4 [ 48.442423][ T4144] x2 : ffff0000cc504060 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.443863][ T4144] Call trace: [ 48.444424][ T4144] __set_page_dirty+0x938/0xc74 [ 48.445251][ T4144] mark_buffer_dirty+0x27c/0x52c [ 48.446046][ T4144] gfs2_unpin+0x12c/0xc28 [ 48.446776][ T4144] buf_lo_after_commit+0x140/0x188 [ 48.447647][ T4144] gfs2_log_flush+0x13cc/0x2078 [ 48.448459][ T4144] gfs2_kill_sb+0x5c/0xd4 [ 48.449211][ T4144] deactivate_locked_super+0xb8/0x13c [ 48.450164][ T4144] deactivate_super+0xf8/0x118 [ 48.450970][ T4144] cleanup_mnt+0x3a4/0x458 [ 48.451709][ T4144] __cleanup_mnt+0x20/0x30 [ 48.452464][ T4144] task_work_run+0x12c/0x1e0 [ 48.453265][ T4144] do_notify_resume+0x24b4/0x3128 [ 48.454082][ T4144] el0_svc+0xf0/0x1e0 [ 48.454706][ T4144] el0t_64_sync_handler+0xcc/0xe4 [ 48.455498][ T4144] el0t_64_sync+0x1a0/0x1a4 [ 48.456212][ T4144] irq event stamp: 109246 [ 48.456916][ T4144] hardirqs last enabled at (109245): [] lock_page_memcg+0x110/0x234 [ 48.458441][ T4144] hardirqs last disabled at (109246): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 48.460231][ T4144] softirqs last enabled at (108630): [] local_bh_enable+0x10/0x34 [ 48.461830][ T4144] softirqs last disabled at (108628): [] local_bh_disable+0x10/0x34 [ 48.463477][ T4144] ---[ end trace b14366e2b2a00015 ]--- [ 48.467740][ T4144] ------------[ cut here ]------------ [ 48.468547][ T4144] WARNING: CPU: 0 PID: 4144 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 48.470103][ T4144] Modules linked in: [ 48.470740][ T4144] CPU: 0 PID: 4144 Comm: syz-executor Tainted: G W 5.15.189-syzkaller #0 [ 48.472069][ T4144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.473729][ T4144] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.474942][ T4144] pc : __test_set_page_writeback+0xa34/0xc34 [ 48.476006][ T4144] lr : __test_set_page_writeback+0xa34/0xc34 [ 48.477037][ T4144] sp : ffff80001f7f7120 [ 48.477778][ T4144] x29: ffff80001f7f7200 x28: 0000000000000000 x27: 0000000000000000 [ 48.479135][ T4144] x26: ffff0000c04958e0 x25: dfff800000000000 x24: 0000000000000000 [ 48.480460][ T4144] x23: ffff0000e865e250 x22: fffffc00034ce088 x21: ffff80001f7f7180 [ 48.481692][ T4144] x20: 1fffff8000699c11 x19: fffffc00034ce080 x18: 0000000000000000 [ 48.482884][ T4144] x17: 0000000000000000 x16: ffff8000082bf708 x15: 0000000000000406 [ 48.484086][ T4144] x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000ff0100 [ 48.485285][ T4144] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff800008690a7c [ 48.486653][ T4144] x8 : ffff0000ccf48000 x7 : ffff800008690430 x6 : 0000000000000000 [ 48.487990][ T4144] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000086904f8 [ 48.489256][ T4144] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.490535][ T4144] Call trace: [ 48.491026][ T4144] __test_set_page_writeback+0xa34/0xc34 [ 48.491957][ T4144] gfs2_aspace_writepage+0x548/0x710 [ 48.492725][ T4144] __writepage+0x70/0x120 [ 48.493385][ T4144] write_cache_pages+0x7c8/0xde4 [ 48.494198][ T4144] generic_writepages+0xf4/0x160 [ 48.494950][ T4144] gfs2_ail1_flush+0x884/0xeac [ 48.495646][ T4144] empty_ail1_list+0x100/0x1d4 [ 48.496395][ T4144] gfs2_log_flush+0x16c0/0x2078 [ 48.497188][ T4144] gfs2_kill_sb+0x5c/0xd4 [ 48.497913][ T4144] deactivate_locked_super+0xb8/0x13c [ 48.498776][ T4144] deactivate_super+0xf8/0x118 [ 48.499590][ T4144] cleanup_mnt+0x3a4/0x458 [ 48.500362][ T4144] __cleanup_mnt+0x20/0x30 [ 48.501059][ T4144] task_work_run+0x12c/0x1e0 [ 48.501800][ T4144] do_notify_resume+0x24b4/0x3128 [ 48.502552][ T4144] el0_svc+0xf0/0x1e0 [ 48.503212][ T4144] el0t_64_sync_handler+0xcc/0xe4 [ 48.504045][ T4144] el0t_64_sync+0x1a0/0x1a4 [ 48.504745][ T4144] irq event stamp: 109358 [ 48.505504][ T4144] hardirqs last enabled at (109357): [] lock_page_memcg+0x110/0x234 [ 48.506932][ T4144] hardirqs last disabled at (109358): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 48.508482][ T4144] softirqs last enabled at (109336): [] handle_softirqs+0xa4c/0xbf0 [ 48.510060][ T4144] softirqs last disabled at (109249): [] __irq_exit_rcu+0x240/0x440 [ 48.511676][ T4144] ---[ end trace b14366e2b2a00016 ]--- [ 48.517096][ C0] ------------[ cut here ]------------ [ 48.518083][ C0] WARNING: CPU: 0 PID: 14 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 48.519701][ C0] Modules linked in: [ 48.520361][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Tainted: G W 5.15.189-syzkaller #0 [ 48.521756][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.523419][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 48.524648][ C0] pc : test_clear_page_writeback+0x8d0/0xacc [ 48.525620][ C0] lr : test_clear_page_writeback+0x8d0/0xacc [ 48.526484][ C0] sp : ffff80001b3379a0 [ 48.527108][ C0] x29: ffff80001b3379b0 x28: ffff0000cc504000 x27: fffffc00034cd0c8 [ 48.528326][ C0] x26: dfff800000000000 x25: 05ffc00000002030 x24: 0000000000000000 [ 48.529527][ C0] x23: ffff0000c04958e0 x22: 0000000000000001 x21: 0000000000000001 [ 48.530716][ C0] x20: ffff0000e865e250 x19: fffffc00034ce080 x18: 0000000000000001 [ 48.532092][ C0] x17: 0000000000000000 x16: ffff8000082bf708 x15: 0000000000000002 [ 48.533428][ C0] x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000ff0100 [ 48.534716][ C0] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000868fe4c [ 48.536018][ C0] x8 : ffff0000c0951b40 x7 : 0000000000000000 x6 : 0000000000000000 [ 48.537364][ C0] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 48.538660][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 48.539945][ C0] Call trace: [ 48.540499][ C0] test_clear_page_writeback+0x8d0/0xacc [ 48.541469][ C0] end_page_writeback+0