no interfaces have a carrier [ 38.565445][ T3853] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.580365][ T3853] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.144' (ED25519) to the list of known hosts. 2026/08/01 00:25:42 parsed 1 programs 2026/08/01 00:25:42 serving rpc on tcp://43615 syzkaller login: [ 63.337366][ T4200] cgroup: Unknown subsys name 'net' [ 63.438015][ T4200] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 64.685738][ T4200] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 66.846483][ T4232] chnl_net:caif_netlink_parms(): no params data found [ 66.907468][ T4232] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.915431][ T4232] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.923928][ T4232] device bridge_slave_0 entered promiscuous mode [ 66.934178][ T4232] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.941664][ T4232] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.950767][ T4232] device bridge_slave_1 entered promiscuous mode [ 66.975082][ T4232] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.987080][ T4232] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.018559][ T4232] team0: Port device team_slave_0 added [ 67.026604][ T4232] team0: Port device team_slave_1 added [ 67.048014][ T4232] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.055104][ T4232] 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. [ 67.081224][ T4232] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.094289][ T4232] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.101314][ T4232] 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. [ 67.127743][ T4232] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.165157][ T4232] device hsr_slave_0 entered promiscuous mode [ 67.172228][ T4232] device hsr_slave_1 entered promiscuous mode [ 67.305854][ T4232] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.318790][ T4232] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.331380][ T4232] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.341344][ T4232] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.369577][ T4232] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.376912][ T4232] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.385663][ T4232] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.392896][ T4232] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.452342][ T4232] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.467661][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.479824][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.489135][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.506069][ T4232] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.518754][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.528548][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.535655][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.557319][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.566559][ T897] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.574415][ T897] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.593322][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.603208][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.621926][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.630648][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.639062][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.650336][ T4232] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.775754][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.783865][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.800985][ T4232] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.825724][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.836239][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.853201][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.862393][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.875075][ T4232] device veth0_vlan entered promiscuous mode [ 67.882961][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.891313][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.904367][ T4232] device veth1_vlan entered promiscuous mode [ 67.925052][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.933487][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.941974][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.950939][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.973726][ T4232] device veth0_macvtap entered promiscuous mode [ 67.984203][ T4232] device veth1_macvtap entered promiscuous mode [ 67.998861][ T4232] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.007921][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.017295][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 68.026037][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.035218][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.054135][ T4232] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.061916][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.071330][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.082592][ T4232] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.091638][ T4232] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.100785][ T4232] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.110562][ T4232] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.207034][ T4232] syz-executor (4232) used greatest stack depth: 20464 bytes left [ 68.963375][ T897] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 68.974531][ T897] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 68.986509][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.009460][ T897] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.018950][ T897] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.027098][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/08/01 00:25:51 executed programs: 0 [ 70.124836][ T144] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.143178][ T4296] chnl_net:caif_netlink_parms(): no params data found [ 70.178269][ T4296] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.185937][ T4296] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.193748][ T4296] device bridge_slave_0 entered promiscuous mode [ 70.201770][ T4296] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.209124][ T4296] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.217659][ T4296] device bridge_slave_1 entered promiscuous mode [ 70.237153][ T4296] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.247950][ T4296] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.268704][ T4296] team0: Port device team_slave_0 added [ 70.275716][ T4296] team0: Port device team_slave_1 added [ 70.290166][ T4296] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.297186][ T4296] 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. [ 70.323789][ T4296] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.336352][ T4296] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.343402][ T4296] 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. [ 70.369847][ T4296] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.398314][ T4296] device hsr_slave_0 entered promiscuous mode [ 70.404998][ T4296] device hsr_slave_1 entered promiscuous mode [ 70.411910][ T4296] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.420037][ T4296] Cannot create hsr debugfs directory [ 71.352080][ T1432] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.358560][ T1432] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.060569][ T4252] Bluetooth: hci0: command 0x0409 tx timeout [ 73.005905][ T144] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.045687][ T144] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.137001][ T144] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.930133][ T4296] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.939050][ T4296] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.948567][ T4296] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.958793][ T4296] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.022890][ T4296] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.057492][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.066393][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.077015][ T4296] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.087566][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.096357][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.107151][ T897] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.114562][ T897] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.123030][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.141551][ T4240] Bluetooth: hci0: command 0x041b tx timeout [ 74.158716][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.168182][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.177431][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.184606][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.202986][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.213843][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.225636][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.234680][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.243605][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.269680][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.278934][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.292034][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.301552][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.313893][ T4296] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.325126][ T4296] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.333777][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.343085][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.433974][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.443190][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.482043][ T4296] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.498541][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.509357][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.527030][ T4296] device veth0_vlan entered promiscuous mode [ 74.534712][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.543811][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.552591][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.561619][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.576751][ T4296] device veth1_vlan entered promiscuous mode [ 74.608377][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.617148][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.626002][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.637189][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.648546][ T4296] device veth0_macvtap entered promiscuous mode [ 74.673231][ T4296] device veth1_macvtap entered promiscuous mode [ 74.686885][ T4296] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 74.698616][ T4296] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.711102][ T4296] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.719347][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.728049][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.736693][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.745671][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.756115][ T4296] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 74.767222][ T4296] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 74.778731][ T4296] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.788743][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.798068][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.810782][ T4296] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.821346][ T4296] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.831108][ T4296] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.840455][ T4296] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.902160][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.911503][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.920899][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.951748][ T897] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.961271][ T897] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.976618][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 75.045088][ T144] device hsr_slave_0 left promiscuous mode [ 75.054155][ T144] device hsr_slave_1 left promiscuous mode [ 75.063386][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 75.071043][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 75.080864][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 75.088387][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 75.096950][ T144] device bridge_slave_1 left promiscuous mode [ 75.105308][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.125014][ T144] device bridge_slave_0 left promiscuous mode [ 75.133799][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.161357][ T144] device veth1_macvtap left promiscuous mode [ 75.167907][ T144] device veth0_macvtap left promiscuous mode [ 75.178147][ T144] device veth1_vlan left promiscuous mode [ 75.193895][ T144] device veth0_vlan left promiscuous mode [ 75.323880][ T4356] loop0: detected capacity change from 0 to 32768 [ 75.389966][ T4356] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 75.400587][ T4356] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 75.452453][ T4356] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 75.477543][ T144] team0 (unregistering): Port device team_slave_1 removed [ 75.478241][ T4328] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 75.495361][ T144] team0 (unregistering): Port device team_slave_0 removed [ 75.496326][ T4328] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 75.548748][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 75.567380][ T4328] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 71ms [ 75.581483][ T4328] gfs2: fsid=syz:syz.0: jid=0: Done [ 75.587464][ T4356] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 75.595578][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 75.691877][ T144] bond0 (unregistering): Released all slaves [ 75.888275][ T4296] ------------[ cut here ]------------ [ 75.894030][ T4296] WARNING: CPU: 1 PID: 4296 at include/linux/backing-dev.h:289 __set_page_dirty+0xae2/0xdb0 [ 75.904712][ T4296] Modules linked in: [ 75.908771][ T4296] CPU: 1 PID: 4296 Comm: syz-executor Not tainted syzkaller #0 [ 75.916305][ T4296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 75.926601][ T4296] RIP: 0010:__set_page_dirty+0xae2/0xdb0 [ 75.932630][ T4296] Code: ee d7 ff 49 ff cf e9 5c fc ff ff e8 c8 ee d7 ff 48 ff cb e9 e6 fb ff ff e8 bb ee d7 ff 48 ff cb e9 c4 fc ff ff e8 ae ee d7 ff <0f> 0b 43 80 3c 3e 00 0f 85 99 f9 ff ff e9 9c f9 ff ff 89 d9 80 e1 [ 75.952877][ T4296] RSP: 0018:ffffc9000310fab8 EFLAGS: 00010093 [ 75.959142][ T4296] RAX: ffffffff81a10e02 RBX: 0000000000000000 RCX: ffff8880213f1dc0 [ 75.967320][ T4296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 75.975396][ T4296] RBP: ffffea0001f54480 R08: ffff888145d55a7f R09: 1ffff11028baab4f [ 75.983382][ T4296] R10: dffffc0000000000 R11: ffffed1028baab50 R12: ffff888145d55900 [ 75.991363][ T4296] R13: ffff888145d55a78 R14: 1ffff11028baab4f R15: dffffc0000000000 [ 75.999437][ T4296] FS: 000055555eb83500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 76.008381][ T4296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.014980][ T4296] CR2: 00007ffca8664ea0 CR3: 000000005b8de000 CR4: 00000000003506e0 [ 76.022982][ T4296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.030964][ T4296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.038954][ T4296] Call Trace: [ 76.042238][ T4296] [ 76.045175][ T4296] ? page_mapping+0x30e/0x440 [ 76.049861][ T4296] mark_buffer_dirty+0x2d7/0x490 [ 76.054868][ T4296] gfs2_unpin+0x134/0xa00 [ 76.059572][ T4296] buf_lo_after_commit+0x161/0x1b0 [ 76.064694][ T4296] ? buf_lo_before_commit+0xf0/0xf0 [ 76.069902][ T4296] __gfs2_log_flush+0x1179/0x25f0 [ 76.074960][ T4296] ? gfs2_log_flush+0x40/0x40 [ 76.079644][ T4296] ? rwsem_write_trylock+0x135/0x1c0 [ 76.084943][ T4296] ? clear_nonspinnable+0x60/0x60 [ 76.089978][ T4296] ? rcu_is_watching+0x11/0xa0 [ 76.094749][ T4296] ? unregister_shrinker+0x245/0x300 [ 76.100051][ T4296] ? kfree+0x4a/0x2a0 [ 76.104043][ T4296] gfs2_log_flush+0x30/0x40 [ 76.108551][ T4296] gfs2_kill_sb+0x50/0xd0 [ 76.112996][ T4296] deactivate_locked_super+0x93/0xf0 [ 76.118405][ T4296] cleanup_mnt+0x426/0x4d0 [ 76.122931][ T4296] task_work_run+0x125/0x1a0 [ 76.127536][ T4296] exit_to_user_mode_loop+0x10f/0x130 [ 76.132924][ T4296] exit_to_user_mode_prepare+0xee/0x180 [ 76.138481][ T4296] syscall_exit_to_user_mode+0x16/0x40 [ 76.143955][ T4296] do_syscall_64+0x58/0xa0 [ 76.148472][ T4296] ? clear_bhb_loop+0x30/0x80 [ 76.153182][ T4296] ? clear_bhb_loop+0x30/0x80 [ 76.157866][ T4296] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.163860][ T4296] RIP: 0033:0x7f2cd96f9257 [ 76.168379][ T4296] Code: a2 c7 05 9c 44 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 76.188082][ T4296] RSP: 002b:00007ffca86654f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 76.196521][ T4296] RAX: 0000000000000000 RBX: 00007f2cd978e45c RCX: 00007f2cd96f9257 [ 76.204499][ T4296] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffca86655b0 [ 76.212571][ T4296] RBP: 00007ffca86655b0 R08: 00007ffca86665b0 R09: 00000000ffffffff [ 76.220753][ T4296] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca8666640 [ 76.228823][ T4296] R13: 00007f2cd978e45c R14: 000000000001283f R15: 00007ffca8666680 [ 76.236822][ T4296] [ 76.240037][ T4296] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 76.247432][ T4296] CPU: 1 PID: 4296 Comm: syz-executor Not tainted syzkaller #0 [ 76.255078][ T4296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 76.265224][ T4296] Call Trace: [ 76.268508][ T4296] [ 76.271523][ T4296] dump_stack_lvl+0x188/0x250 [ 76.276394][ T4296] ? show_regs_print_info+0x20/0x20 [ 76.281617][ T4296] ? load_image+0x410/0x410 [ 76.286138][ T4296] panic+0x2f8/0x850 [