no interfaces have a carrier [ 35.752282][ T3855] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.762210][ T3855] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.111' (ED25519) to the list of known hosts. 2026/03/02 00:33:04 parsed 1 programs syzkaller login: [ 61.680048][ T4190] cgroup: Unknown subsys name 'net' [ 61.791663][ T4190] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 63.354854][ T4190] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 65.262704][ T4216] chnl_net:caif_netlink_parms(): no params data found [ 65.309099][ T4216] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.316686][ T4216] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.325052][ T4216] device bridge_slave_0 entered promiscuous mode [ 65.334492][ T4216] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.341921][ T4216] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.350163][ T4216] device bridge_slave_1 entered promiscuous mode [ 65.373745][ T4216] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.385757][ T4216] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.409375][ T4216] team0: Port device team_slave_0 added [ 65.418226][ T4216] team0: Port device team_slave_1 added [ 65.437547][ T4216] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.446110][ T4216] 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. [ 65.474589][ T4216] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.488379][ T4216] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.497087][ T4216] 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. [ 65.523804][ T4216] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.564698][ T4216] device hsr_slave_0 entered promiscuous mode [ 65.571991][ T4216] device hsr_slave_1 entered promiscuous mode [ 65.722641][ T4216] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.735548][ T4216] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.747082][ T4216] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.758333][ T4216] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.796218][ T4216] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.803991][ T4216] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.812108][ T4216] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.819255][ T4216] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.878812][ T4216] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.896588][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.909065][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.918266][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.928913][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 65.945742][ T4216] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.959024][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.969641][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.977708][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.007310][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.016608][ T156] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.023748][ T156] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.035976][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.044815][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.079415][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.089290][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.099985][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.115262][ T4216] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.258004][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.266501][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.284554][ T4216] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.322747][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.332580][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.356138][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.366091][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.375781][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.385127][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.396084][ T4216] device veth0_vlan entered promiscuous mode [ 66.410773][ T4216] device veth1_vlan entered promiscuous mode [ 66.441397][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.452493][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.461933][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.471336][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.483101][ T4216] device veth0_macvtap entered promiscuous mode [ 66.495385][ T4216] device veth1_macvtap entered promiscuous mode [ 66.517055][ T4216] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.525412][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.536540][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.545413][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.554913][ T145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.568749][ T4216] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.577070][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.586607][ T156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.599491][ T4216] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.609874][ T4216] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.619955][ T4216] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.629162][ T4216] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.774718][ T4216] syz-executor (4216) used greatest stack depth: 20824 bytes left [ 66.843920][ T3059] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 67.755733][ T145] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.765369][ T145] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.778547][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 67.797900][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.806374][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.816664][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/03/02 00:33:13 executed programs: 0 [ 68.765307][ T4279] chnl_net:caif_netlink_parms(): no params data found [ 68.805954][ T4279] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.813074][ T4279] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.821924][ T4279] device bridge_slave_0 entered promiscuous mode [ 68.831479][ T4279] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.839153][ T4279] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.847869][ T4279] device bridge_slave_1 entered promiscuous mode [ 68.868293][ T4279] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.880056][ T4279] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.900477][ T4279] team0: Port device team_slave_0 added [ 68.908482][ T4279] team0: Port device team_slave_1 added [ 68.925207][ T4279] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 68.932309][ T4279] 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. [ 68.959912][ T4279] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 68.973535][ T4279] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 68.980818][ T4279] 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. [ 69.007957][ T4279] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.037713][ T4279] device hsr_slave_0 entered promiscuous mode [ 69.046033][ T4279] device hsr_slave_1 entered promiscuous mode [ 69.053903][ T4279] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.061748][ T4279] Cannot create hsr debugfs directory [ 69.290834][ T3059] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.694051][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 71.495857][ T1421] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.502375][ T1421] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.600163][ T3059] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.660604][ T3059] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.528175][ T4279] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.537518][ T4279] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.549987][ T4279] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.560907][ T4279] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.615785][ T4279] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.635293][ T3059] device hsr_slave_0 left promiscuous mode [ 72.643082][ T3059] device hsr_slave_1 left promiscuous mode [ 72.650244][ T3059] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 72.658212][ T3059] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 72.666777][ T3059] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 72.675936][ T3059] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 72.684112][ T3059] device bridge_slave_1 left promiscuous mode [ 72.691093][ T3059] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.704989][ T3059] device bridge_slave_0 left promiscuous mode [ 72.711387][ T3059] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.730407][ T3059] device veth1_macvtap left promiscuous mode [ 72.737368][ T3059] device veth0_macvtap left promiscuous mode [ 72.745256][ T3059] device veth1_vlan left promiscuous mode [ 72.751293][ T3059] device veth0_vlan left promiscuous mode [ 72.773717][ T4294] Bluetooth: hci0: command 0x041b tx timeout [ 72.897647][ T3059] team0 (unregistering): Port device team_slave_1 removed [ 72.910646][ T3059] team0 (unregistering): Port device team_slave_0 removed [ 72.922756][ T3059] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 72.936834][ T3059] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 72.990170][ T3059] bond0 (unregistering): Released all slaves [ 73.053893][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.061647][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.072681][ T4279] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.082279][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.091270][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.100330][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.107688][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.116770][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.129572][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.138455][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.147561][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.154682][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.175151][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.185432][ T4321] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.202021][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.211945][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.222359][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.232257][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.241973][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.260956][ T4279] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.272821][ T4279] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.287512][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.296460][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.305562][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.314457][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.324672][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.420541][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.428564][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.441243][ T4279] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.468764][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.479257][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.506055][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.514999][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.523909][ T4279] device veth0_vlan entered promiscuous mode [ 73.531945][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.542801][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.555643][ T4279] device veth1_vlan entered promiscuous mode [ 73.596973][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.605485][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.616595][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.625643][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.639820][ T4279] device veth0_macvtap entered promiscuous mode [ 73.650999][ T4279] device veth1_macvtap entered promiscuous mode [ 73.670316][ T4279] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.678762][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.687447][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 73.697856][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.707274][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.721676][ T4279] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.729508][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.739901][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.752837][ T4279] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.762372][ T4279] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.771498][ T4279] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.780915][ T4279] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.844365][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.852320][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.870008][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 73.896256][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.904765][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.913336][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.267299][ T4326] loop0: detected capacity change from 0 to 32768 [ 74.419900][ T4326] blk_update_request: I/O error, dev loop14, sector 8 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 74.443296][ T4326] lbmIODone: I/O error in JFS log [ 74.455288][ T4326] *** Log Format Error ! *** [ 74.460727][ T4326] lmLogInit: exit(-22) [ 74.483292][ T4326] lmLogOpen: exit(-22) [ 74.506888][ T4326] jfs_dirty_inode called on read-only volume [ 74.523241][ T4326] Is remount racy? [ 74.528142][ T4326] jfs_dirty_inode called on read-only volume [ 74.536383][ T4326] Is remount racy? [ 74.540295][ T4326] jfs_dirty_inode called on read-only volume [ 74.547027][ T4326] Is remount racy? [ 74.551722][ T4326] ================================================================== [ 74.559996][ T4326] BUG: KASAN: null-ptr-deref in txBeginAnon+0xa0/0x150 [ 74.566969][ T4326] Read of size 8 at addr 0000000000000040 by task syz.0.17/4326 [ 74.574703][ T4326] [ 74.577054][ T4326] CPU: 1 PID: 4326 Comm: syz.0.17 Not tainted syzkaller #0 [ 74.584270][ T4326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 74.594646][ T4326] Call Trace: [ 74.597955][ T4326] [ 74.600888][ T4326] dump_stack_lvl+0x188/0x250 [ 74.605582][ T4326] ? show_regs_print_info+0x20/0x20 [ 74.610889][ T4326] ? load_image+0x400/0x400 [ 74.615497][ T4326] ? _raw_spin_lock_irqsave+0xbc/0x100 [ 74.620991][ T4326] ? txBeginAnon+0xa0/0x150 [ 74.625500][ T4326] kasan_report+0xd5/0x130 [ 74.630010][ T4326] ? txBeginAnon+0xa0/0x150 [ 74.634612][ T4326] kasan_check_range+0x235/0x290 [ 74.639589][ T4326] txBeginAnon+0xa0/0x150 [ 74.643925][ T4326] extAlloc+0xed/0xf80 [ 74.648006][ T4326] ? extHint+0x225/0x580 [ 74.652257][ T4326] ? jfs_ioc_trim+0x680/0x680 [ 74.657056][ T4326] ? memset+0x1e/0x40 [ 74.661233][ T4326] ? lockdep_init_map_type+0x98/0x900 [ 74.666642][ T4326] jfs_get_block+0x355/0xad0 [ 74.671249][ T4326] ? jfs_dirty_inode+0x240/0x240 [ 74.676301][ T4326] ? alloc_buffer_head+0xd4/0x100 [ 74.681427][ T4326] nobh_write_begin+0x3d5/0xe80 [ 74.686289][ T4326] jfs_write_begin+0x3d/0x80 [ 74.690986][ T4326] ? jfs_dirty_inode+0x240/0x240 [ 74.696039][ T4326] generic_perform_write+0x2b6/0x550 [ 74.701380][ T4326] ? grab_cache_page_write_begin+0xa0/0xa0 [ 74.707734][ T4326] ? file_remove_privs+0x5d0/0x5d0 [ 74.712860][ T4326] ? rwsem_write_trylock+0x135/0x1c0 [ 74.718267][ T4326] ? clear_nonspinnable+0x60/0x60 [ 74.723541][ T4326] __generic_file_write_iter+0x25f/0x4e0 [ 74.729204][ T4326] generic_file_write_iter+0xa6/0x1b0 [ 74.734670][ T4326] do_iter_readv_writev+0x47e/0x5f0 [ 74.739898][ T4326] ? aa_path_link+0x880/0x880 [ 74.744784][ T4326] ? generic_file_rw_checks+0x280/0x280 [ 74.750557][ T4326] ? common_file_perm+0x171/0x1c0 [ 74.755635][ T4326] ? fsnotify_perm+0x5d/0x560 [ 74.760370][ T4326] ? security_file_permission+0x75/0xa0 [ 74.766144][ T4326] do_iter_write+0x205/0x7b0 [ 74.771004][ T4326] do_pwritev+0x240/0x3a0 [ 74.775564][ T4326] ? do_preadv+0x390/0x390 [ 74.780009][ T4326] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 74.786094][ T4326] ? lock_chain_count+0x20/0x20 [ 74.791256][ T4326] ? vtime_user_exit+0x2c8/0x3e0 [ 74.796270][ T4326] ? lockdep_hardirqs_on+0x94/0x140 [ 74.801576][ T4326] ? __x64_sys_pwritev2+0xba/0x100 [ 74.806788][ T4326] do_syscall_64+0x4c/0xa0 [ 74.811203][ T4326] ? clear_bhb_loop+0x30/0x80 [ 74.816259][ T4326] ? clear_bhb_loop+0x30/0x80 [ 74.821029][ T4326] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.827445][ T4326] RIP: 0033:0x7f47bfd56799 [ 74.831951][ T4326] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 74.852008][ T4326] RSP: 002b:00007fff81b0c808 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 74.860473][ T4326] RAX: ffffffffffffffda RBX: 00007f47bffcffa0 RCX: 00007f47bfd56799 [ 74.868840][ T4326] RDX: 0000000000000004 RSI: 0000200000000900 RDI: 0000000000000005 [ 74.877191][ T4326] RBP: 00007f47bfdecbd9 R08: 0000000000000004 R09: 0000000000000002 [ 74.885431][ T4326] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 74.893521][ T4326] R13: 00007f47bffcffac R14: 00007f47bffcffa0 R15: 00007f47bffcffa0 [ 74.901811][ T4326] [ 74.904938][ T4326] ================================================================== [ 74.913116][ T4326] Disabling lock debugging due to kernel taint [ 74.920154][ T4326] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 74.921341][ T4293] Bluetooth: hci0: command 0x040f tx timeout [ 74.928315][ T4326] CPU: 1 PID: 4326 Comm: syz.0.17 Tainted: G B syzkaller #0 [ 74.928337][ T4326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 74.928347][ T4326] Call Trace: [ 74.928353][ T4326] [ 74.928360][ T4326] dump_stack_lvl+0x188/0x250 [ 74.963963][ T4326] ? show_regs_print_info+0x20/0x20 [ 74.969205][ T4326] ? load_image+0x400/0x400 [ 74.973963][ T4326] panic+0x2e5/0x810 [ 74.977848][ T4326] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 74.984290][ T4326] ? bpf_jit_dump+0xd0/0xd0 [ 74.988821][ T4326] ? _raw_spin_unlock_irqrestore+0xbc/0x120 [ 74.994707][ T4326] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 75.000766][ T4326] ? _raw_spin_unlock+0x40/0x40 [ 75.005605][ T4326] ? txBeginAnon+0xa0/0x150 [ 75.010126][ T4326] check_panic_on_warn+0x80/0xa0 [ 75.015245][ T4326] ? txBeginAnon+0xa0/0x150 [ 75.019775][ T4326] end_report+0x6d/0xf0 [ 75.024004][ T4326] kasan_report+0x102/0x130 [ 75.028707][ T4326] ? txBeginAnon+0xa0/0x150 [ 75.033211][ T4326] kasan_check_range+0x235/0x290 [ 75.038256][ T4326] txBeginAnon+0xa0/0x150 [ 75.042794][ T4326] extAlloc+0xed/0xf80 [ 75.046860][ T4326] ? extHint+0x225/0x580 [ 75.051104][ T4326] ? jfs_ioc_trim+0x680/0x680 [ 75.055787][ T4326] ? memset+0x1e/0x40 [ 75.060003][ T4326] ? lockdep_init_map_type+0x98/0x900 [ 75.065549][ T4326] jfs_get_block+0x355/0xad0 [ 75.070520][ T4326] ? jfs_dirty_inode+0x240/0x240 [ 75.075534][ T4326] ? alloc_buffer_head+0xd4/0x100 [ 75.080653][ T4326] nobh_write_begin+0x3d5/0xe80 [ 75.085494][ T4326] jfs_write_begin+0x3d/0x80 [ 75.090256][ T4326] ? jfs_dirty_inode+0x240/0x240 [ 75.095200][ T4326] generic_perform_write+0x2b6/0x550 [ 75.100544][ T4326] ? grab_cache_page_write_begin+0xa0/0xa0 [ 75.106446][ T4326] ? file_remove_privs+0x5d0/0x5d0 [ 75.111651][ T4326] ? rwsem_write_trylock+0x135/0x1c0 [ 75.117101][ T4326] ? clear_nonspinnable+0x60/0x60 [ 75.122118][ T4326] __generic_file_write_iter+0x25f/0x4e0 [ 75.127832][ T4326] generic_file_write_iter+0xa6/0x1b0 [ 75.133203][ T4326] do_iter_readv_writev+0x47e/0x5f0 [ 75.138504][ T4326] ? aa_path_link+0x880/0x880 [ 75.143725][ T4326] ? generic_file_rw_checks+0x280/0x280 [ 75.149482][ T4326] ? common_file_perm+0x171/0x1c0 [ 75.154690][ T4326] ? fsnotify_perm+0x5d/0x560 [ 75.159411][ T4326] ? security_file_permission+0x75/0xa0 [ 75.165466][ T4326] do_iter_write+0x205/0x7b0 [ 75.170066][ T4326] do_pwritev+0x240/0x3a0 [ 75.174388][ T4326] ? do_preadv+0x390/0x390 [ 75.178798][ T4326] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 75.184783][ T4326] ? lock_chain_count+0x20/0x20 [ 75.189797][ T4326] ? vtime_user_exit+0x2c8/0x3e0 [ 75.194724][ T4326] ? lockdep_hardirqs_on+0x94/0x140 [ 75.200009][ T4326] ? __x64_sys_pwritev2+0xba/0x100 [ 75.205211][ T4326] do_syscall_64+0x4c/0xa0 [ 75.209632][ T4326] ? clear_bhb_loop+0x30/0x80 [ 75.214401][ T4326] ? clear_bhb_loop+0x30/0x80 [ 75.219100][ T4326] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 75.224987][ T4326] RIP: 0033:0x7f47bfd56799 [ 75.229484][ T4326] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 75.249503][ T4326] RSP: 002b:00007fff81b0c808 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 75.257928][ T4326] RAX: ffffffffffffffda RBX: 00007f47bffcffa0 RCX: 00007f47bfd56799 [ 75.265997][ T4326] RDX: 0000000000000004 RSI: 0000200000000900 RDI: 0000000000000005 [ 75.274245][ T4326] RBP: 00007f47bfdecbd9 R08: 0000000000000004 R09: 0000000000000002 [ 75.282325][ T4326] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 75.290376][ T4326] R13: 00007f47bffcffac R14: 00007f47bffcffa0 R15: 00007f47bffcffa0 [ 75.298482][ T4326] [ 75.301994][ T4326] Kernel Offset: disabled [ 75.306316][ T4326] Rebooting in 86400 seconds..