[ 19.464307][ T3706] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: [ 19.507948][ T136] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 19.518698][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.69' (ED25519) to the list of known hosts. 1970/01/01 00:00:48 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:49 parsed 1 programs syzkaller login: [ 52.043054][ T4042] cgroup: Unknown subsys name 'net' [ 52.301597][ T4042] cgroup: Unknown subsys name 'rlimit' [ 52.657039][ T4042] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 67.569075][ T4086] chnl_net:caif_netlink_parms(): no params data found [ 67.607912][ T4086] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.609221][ T4086] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.610989][ T4086] device bridge_slave_0 entered promiscuous mode [ 67.614591][ T4086] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.615844][ T4086] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.618082][ T4086] device bridge_slave_1 entered promiscuous mode [ 67.634496][ T4086] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.637678][ T4086] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.652955][ T4086] team0: Port device team_slave_0 added [ 67.656147][ T4086] team0: Port device team_slave_1 added [ 67.668947][ T4086] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.669844][ T4086] 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. [ 67.673445][ T4086] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.676983][ T4086] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.678121][ T4086] 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. [ 67.681981][ T4086] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.737832][ T4086] device hsr_slave_0 entered promiscuous mode [ 67.775507][ T4086] device hsr_slave_1 entered promiscuous mode [ 67.904994][ T4086] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.959140][ T4086] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.029076][ T4086] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.098271][ T4086] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.209365][ T4086] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.210489][ T4086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.211844][ T4086] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.213065][ T4086] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.256645][ T4086] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.264743][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.269779][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.272400][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.274549][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 68.282045][ T4086] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.292097][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.294079][ T340] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.295327][ T340] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.297394][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.299087][ T340] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.300087][ T340] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.317037][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.322635][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.328494][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.333608][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.339036][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.343493][ T4086] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.425949][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.427141][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.433678][ T4086] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.453126][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.464045][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.467969][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.469748][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.473915][ T4086] device veth0_vlan entered promiscuous mode [ 68.482161][ T4086] device veth1_vlan entered promiscuous mode [ 68.504885][ T1355] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.508726][ T1355] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.510334][ T1355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.526748][ T4086] device veth0_macvtap entered promiscuous mode [ 68.530135][ T4086] device veth1_macvtap entered promiscuous mode [ 68.543989][ T4086] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.547902][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.556106][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.560605][ T4086] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.563051][ T1355] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.564860][ T1355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.568484][ T4086] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.569865][ T4086] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.571053][ T4086] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.572259][ T4086] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.107233][ T1355] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.108548][ T1355] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.110654][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.127781][ T340] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.129053][ T340] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.130822][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:09 executed programs: 0 [ 69.569569][ T4142] chnl_net:caif_netlink_parms(): no params data found [ 69.603769][ T4142] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.604822][ T4142] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.607212][ T4142] device bridge_slave_0 entered promiscuous mode [ 69.610123][ T4142] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.611298][ T4142] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.613180][ T4142] device bridge_slave_1 entered promiscuous mode [ 69.627718][ T4142] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.631167][ T4142] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.638651][ T3335] cfg80211: failed to load regulatory.db [ 69.642305][ T2055] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.643294][ T2055] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.659082][ T4142] team0: Port device team_slave_0 added [ 69.662166][ T4142] team0: Port device team_slave_1 added [ 69.678576][ T4142] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.679567][ T4142] 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. [ 69.683191][ T4142] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.687079][ T4142] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.688103][ T4142] 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. [ 69.691944][ T4142] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.748408][ T4142] device hsr_slave_0 entered promiscuous mode [ 69.785508][ T4142] device hsr_slave_1 entered promiscuous mode [ 69.855349][ T4142] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.856523][ T4142] Cannot create hsr debugfs directory [ 69.944022][ T4142] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.555888][ T3335] Bluetooth: hci0: command 0x0409 tx timeout [ 72.883601][ T4142] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.636244][ T4105] Bluetooth: hci0: command 0x041b tx timeout [ 73.993437][ T4142] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.063779][ T4142] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.224440][ T4142] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.257404][ T4142] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.299181][ T4142] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.347482][ T4142] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.436837][ T4142] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.443124][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.444956][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.451805][ T4142] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.459230][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.460902][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.462561][ T340] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.463725][ T340] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.469347][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.470978][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.472630][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.474323][ T340] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.475472][ T340] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.479050][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.483488][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.487800][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.490268][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.492183][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.496992][ T1355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.498891][ T1355] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.502873][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.504495][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.546449][ T4142] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.549212][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.550927][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.635454][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.636635][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.641659][ T4142] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.654627][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.656901][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.670537][ T1355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.672212][ T1355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.674126][ T1355] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.677055][ T1355] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.680628][ T4142] device veth0_vlan entered promiscuous mode [ 74.687343][ T4142] device veth1_vlan entered promiscuous mode [ 74.700287][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.702060][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.703676][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.706182][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.709787][ T4142] device veth0_macvtap entered promiscuous mode [ 74.713272][ T4142] device veth1_macvtap entered promiscuous mode [ 74.723377][ T4142] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.725027][ T4142] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.727710][ T4142] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.729190][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.730867][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.732544][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.734256][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.740082][ T4142] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.741550][ T4142] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.743999][ T4142] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.746751][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.748584][ T340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.751177][ T4142] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.752467][ T4142] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.753766][ T4142] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.755924][ T4142] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.813602][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.814861][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.817475][ T237] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.831608][ T1355] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.832923][ T1355] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.834831][ T237] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.193262][ T4162] loop0: detected capacity change from 0 to 32768 [ 75.206890][ T4162] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 75.208179][ T4162] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 75.228851][ T4162] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms [ 75.232302][ T4105] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 75.233305][ T4105] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 75.295889][ T4105] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 62ms [ 75.298128][ T4105] gfs2: fsid=syz:syz.0: jid=0: Done [ 75.299571][ T4162] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 75.480377][ T4162] gfs2: fsid=syz:syz.0: found 1 quota changes [ 75.507121][ T4142] ------------[ cut here ]------------ [ 75.508284][ T4142] WARNING: CPU: 0 PID: 4142 at include/linux/backing-dev.h:289 __set_page_dirty+0x938/0xc74 [ 75.509771][ T4142] Modules linked in: [ 75.510339][ T4142] CPU: 0 PID: 4142 Comm: syz-executor Not tainted 5.15.189-syzkaller #0 [ 75.511481][ T4142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 75.512922][ T4142] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 75.514007][ T4142] pc : __set_page_dirty+0x938/0xc74 [ 75.514784][ T4142] lr : __set_page_dirty+0x938/0xc74 [ 75.515491][ T4142] sp : ffff80001faa7440 [ 75.516073][ T4142] x29: ffff80001faa7450 x28: ffff0000eca60000 x27: 0000000000000000 [ 75.517286][ T4142] x26: dfff800000000000 x25: 1fffe000180b19d9 x24: 0000000000000000 [ 75.518358][ T4142] x23: ffff0000c058cec8 x22: 0000000000000000 x21: 0000000000000001 [ 75.519552][ T4142] x20: ffff0000dcd5a250 x19: fffffc000369bdc0 x18: 0000000000000000 [ 75.520709][ T4142] x17: ffff800016d04000 x16: ffff8000082bf708 x15: ffff8000167e4500 [ 75.521855][ T4142] x14: ffff0000cc368a00 x13: 1ffff0000282e06b x12: 0000000000ff0100 [ 75.522964][ T4142] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff80000868df08 [ 75.524116][ T4142] x8 : ffff0000cc368000 x7 : ffff80000868d614 x6 : 0000000000000000 [ 75.525345][ T4142] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000898d6a4 [ 75.526482][ T4142] x2 : ffff0000cb990060 x1 : 0000000000000000 x0 : 0000000000000000 [ 75.527758][ T4142] Call trace: [ 75.528234][ T4142] __set_page_dirty+0x938/0xc74 [ 75.528913][ T4142] mark_buffer_dirty+0x27c/0x52c [ 75.529712][ T4142] gfs2_unpin+0x12c/0xc28 [ 75.530350][ T4142] buf_lo_after_commit+0x140/0x188 [ 75.531042][ T4142] gfs2_log_flush+0x13cc/0x2078 [ 75.531675][ T4142] do_sync+0x844/0xa4c [ 75.532338][ T4142] gfs2_quota_sync+0x2e8/0x548 [ 75.533050][ T4142] gfs2_sync_fs+0x4c/0xc4 [ 75.533652][ T4142] sync_filesystem+0xe8/0x218 [ 75.534450][ T4142] generic_shutdown_super+0x70/0x2f0 [ 75.535245][ T4142] kill_block_super+0x70/0xdc [ 75.536056][ T4142] gfs2_kill_sb+0xc0/0xd4 [ 75.536791][ T4142] deactivate_locked_super+0xb8/0x13c [ 75.537646][ T4142] deactivate_super+0xf8/0x118 [ 75.538429][ T4142] cleanup_mnt+0x3a4/0x458 [ 75.539135][ T4142] __cleanup_mnt+0x20/0x30 [ 75.539806][ T4142] task_work_run+0x12c/0x1e0 [ 75.540447][ T4142] do_notify_resume+0x24b4/0x3128 [ 75.541132][ T4142] el0_svc+0xf0/0x1e0 [ 75.541696][ T4142] el0t_64_sync_handler+0xcc/0xe4 [ 75.542433][ T4142] el0t_64_sync+0x1a0/0x1a4 [ 75.543114][ T4142] irq event stamp: 157768 [ 75.543775][ T4142] hardirqs last enabled at (157767): [] lock_page_memcg+0x110/0x234 [ 75.545378][ T4142] hardirqs last disabled at (157768): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 75.547072][ T4142] softirqs last enabled at (157716): [] handle_softirqs+0xa4c/0xbf0 [ 75.548591][ T4142] softirqs last disabled at (157699): [] __irq_exit_rcu+0x240/0x440 [ 75.550097][ T4142] ---[ end trace 589f311223c16348 ]--- [ 75.616910][ T237] ------------[ cut here ]------------ [ 75.617796][ T237] WARNING: CPU: 1 PID: 237 at include/linux/backing-dev.h:289 __test_set_page_writeback+0xa34/0xc34 [ 75.619311][ T237] Modules linked in: [ 75.619853][ T237] CPU: 1 PID: 237 Comm: kworker/u4:3 Tainted: G W 5.15.189-syzkaller #0 [ 75.621190][ T237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 75.622521][ T237] Workqueue: writeback wb_workfn (flush-7:0) [ 75.623498][ T237] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 75.624578][ T237] pc : __test_set_page_writeback+0xa34/0xc34 [ 75.625445][ T237] lr : __test_set_page_writeback+0xa34/0xc34 [ 75.626343][ T237] sp : ffff80001be76cc0 [ 75.626910][ T237] x29: ffff80001be76da0 x28: 0000000000000000 x27: 0000000000000000 [ 75.628197][ T237] x26: ffff0000c058cd20 x25: dfff800000000000 x24: 0000000000000000 [ 75.629415][ T237] x23: ffff0000dcd5ace0 x22: fffffc0003a033c8 x21: ffff80001be76d20 [ 75.630634][ T237] x20: 1fffff8000740679 x19: fffffc0003a033c0 x18: 0000000000000000 [ 75.631847][ T237] x17: ffff800016d04000 x16: ffff8000082bf708 x15: ffff8000167e4500 [ 75.633074][ T237] x14: ffff0000c6d00a00 x13: ffff0000c6d00a78 x12: 0000000000ff0100 [ 75.634235][ T237] x11: 0000000000000001 x10: 0000000000000000 x9 : ffff800008690a7c [ 75.635375][ T237] x8 : ffff0000c6d00000 x7 : 0000000000000000 x6 : 0000000000000000 [ 75.636493][ T237] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000086904f8 [ 75.637772][ T237] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 75.638941][ T237] Call trace: [ 75.639478][ T237] __test_set_page_writeback+0xa34/0xc34 [ 75.640299][ T237] gfs2_aspace_writepage+0x548/0x710 [ 75.641025][ T237] __writepage+0x70/0x120 [ 75.641631][ T237] write_cache_pages+0x7c8/0xde4 [ 75.642302][ T237] do_writepages+0x3cc/0x578 [ 75.642969][ T237] filemap_fdatawrite_wbc+0x1d4/0x234 [ 75.643751][ T237] filemap_fdatawrite+0xb0/0xf4 [ 75.644425][ T237] gfs2_write_inode+0x2ec/0x3f4 [ 75.645177][ T237] __writeback_single_inode+0x560/0x11f0 [ 75.646065][ T237] writeback_sb_inodes+0x7fc/0x1378 [ 75.646785][ T237] wb_writeback+0x3d8/0xe44 [ 75.647513][ T237] wb_workfn+0x350/0xdd8 [ 75.648128][ T237] process_one_work+0x79c/0x1140 [ 75.648822][ T237] worker_thread+0x8f4/0x101c [ 75.649633][ T237] kthread+0x374/0x454 [ 75.650289][ T237] ret_from_fork+0x10/0x20 [ 75.650920][ T237] irq event stamp: 209806 [ 75.651669][ T237] hardirqs last enabled at (209805): [] lock_page_memcg+0x110/0x234 [ 75.653090][ T237] hardirqs last disabled at (209806): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 75.654668][ T237] softirqs last enabled at (209746): [] batadv_nc_purge_paths+0x308/0x390 [ 75.656221][ T237] softirqs last disabled at (209744): [] batadv_nc_purge_paths+0xd0/0x390 [ 75.657825][ T237] ---[ end trace 589f311223c16349 ]--- [ 75.715416][ T4105] Bluetooth: hci0: command 0x040f tx timeout [ 75.726846][ C1] ------------[ cut here ]------------ [ 75.727740][ C1] WARNING: CPU: 1 PID: 20 at include/linux/backing-dev.h:289 test_clear_page_writeback+0x8d0/0xacc [ 75.729335][ C1] Modules linked in: [ 75.729872][ C1] CPU: 1 PID: 20 Comm: ksoftirqd/1 Tainted: G W 5.15.189-syzkaller #0 [ 75.731252][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 75.732536][ C1] pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 75.733629][ C1] pc : test_clear_page_writeback+0x8d0/0xacc [ 75.734371][ C1] lr : test_clear_page_writeback+0x8d0/0xacc [ 75.735402][ C1] sp : ffff80001b3a79a0 [ 75.736112][ C1] x29: ffff80001b3a79b0 x28: ffff0000cb990000 x27: fffffc0003a43208 [ 75.737240][ C1] x26: dfff800000000000 x25: 05ffc000000020b2 x24: 0000000000000000 [ 75.738465][ C1] x23: ffff0000c058cd20 x22: 0000000000000001 x21: 0000000000000001 [ 75.739521][ C1] x20: ffff0000dcd5ace0 x19: fffffc0003a033c0 x18: 0000000000000001 [ 75.740785][ C1] x17: ffff800016d04000 x16: ffff8000082bf708 x15: ffff8000167e4500 [ 75.742135][ C1] x14: 00000000ffff8000 x13: 1ffff0000282e06b x12: 0000000000ff0100 [ 75.743444][ C1] x11: 0000000000000101 x10: 0000000000000000 x9 : ffff80000868fe4c [ 75.744606][ C1] x8 : ffff0000c0a78000 x7 : 0000000000000000 x6 : 0000000000000000 [ 75.745821][ C1] x5 : 0000000000000080 x4 : 0000000000000008 x3 : 0000000000000000 [ 75.747023][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 75.748284][ C1] Call trace: [ 75.748739][ C1] test_clear_page_writeback+0x8d0/0xacc [ 75.749701][ C1] end_page_writeback+0x174/0x488 [ 75.750375][ C1] end_buffer_async_write+0x340/0x56c [ 75.751123][ C1] end_bio_bh_io_sync+0xb0/0x1b4 [ 75.751895][ C1] bio_endio+0x744/0x788 [ 75.752581][ C1] blk_update_request+0x7a4/0x1100 [ 75.753298][ C1] blk_mq_end_request+0x54/0x88 [ 75.754064][ C1] lo_complete_rq+0x1ec/0x250 [ 75.754806][ C1] blk_done_softirq+0x11c/0x168 [ 75.755448][ C1] handle_softirqs+0x344/0xbf0 [ 75.756237][ C1] run_ksoftirqd+0x7c/0x2a0 [ 75.756977][ C1] smpboot_thread_fn+0x4b0/0x920 [ 75.757835][ C1] kthread+0x374/0x454 [ 75.758443][ C1] ret_from_fork+0x10/0x20 [ 75.759085][ C1] irq event stamp: 242347 [ 75.759643][ C1] hardirqs last enabled at (242346): [] lock_page_memcg+0x110/0x234 [ 75.760932][ C1] hardirqs last disabled at (242347): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 75.762430][ C1] softirqs last enabled at (242320): [] handle_softirqs+0xa4c/0xbf0 [ 75.763850][ C1] softirqs last disabled at (242325): [] run_ksoftirqd+0x7c/0x2a0 [ 75.765208][ C1] ---[ end trace 589f311223c1634a ]---