Warning: Permanently added '10.128.1.1' (ED25519) to the list of known hosts. 2026/08/21 12:18:30 parsed 1 programs 2026/08/21 12:18:30 serving rpc on tcp://43295 [ 68.914809][ T4197] cgroup: Unknown subsys name 'net' [ 69.033767][ T4197] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 70.571304][ T4197] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 71.509785][ T1431] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.516363][ T1431] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.893827][ T4228] chnl_net:caif_netlink_parms(): no params data found [ 72.964351][ T4228] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.972312][ T4228] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.982271][ T4228] device bridge_slave_0 entered promiscuous mode [ 72.992526][ T4228] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.001418][ T4228] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.009923][ T4228] device bridge_slave_1 entered promiscuous mode [ 73.040291][ T4228] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.054012][ T4228] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.085581][ T4228] team0: Port device team_slave_0 added [ 73.094105][ T4228] team0: Port device team_slave_1 added [ 73.119259][ T4228] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.126357][ T4228] 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. [ 73.152848][ T4228] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.166687][ T4228] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.173771][ T4228] 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. [ 73.200808][ T4228] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.241794][ T4228] device hsr_slave_0 entered promiscuous mode [ 73.248787][ T4228] device hsr_slave_1 entered promiscuous mode [ 73.394758][ T4228] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.406819][ T4228] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.417791][ T4228] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.432402][ T4228] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.473825][ T4228] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.481378][ T4228] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.489834][ T4228] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.497038][ T4228] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.562494][ T4228] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.581403][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.593609][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.605347][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.621429][ T4228] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.634668][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.644597][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.651734][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.669843][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.680396][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.687704][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.711132][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.721437][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.732899][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.754665][ T4228] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.768485][ T4228] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.783563][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.794997][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.809230][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.948404][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.956112][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.973376][ T4228] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.009222][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.019897][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.041763][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.050318][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.059609][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.069166][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.078098][ T4228] device veth0_vlan entered promiscuous mode [ 74.091610][ T4228] device veth1_vlan entered promiscuous mode [ 74.137054][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.151835][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.160681][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.171376][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.183653][ T4228] device veth0_macvtap entered promiscuous mode [ 74.207443][ T4228] device veth1_macvtap entered promiscuous mode [ 74.234343][ T4228] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.243861][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.252854][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.261815][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.271194][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.284429][ T4228] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.292221][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.301178][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.313664][ T4228] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.323499][ T4228] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.332301][ T4228] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.342083][ T4228] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.437797][ T4228] syz-executor (4228) used greatest stack depth: 21136 bytes left [ 75.604410][ T4237] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.624707][ T4237] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.637596][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.670684][ T4237] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.681920][ T4237] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.690734][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/08/21 12:18:39 executed programs: 0 [ 76.597344][ T4293] chnl_net:caif_netlink_parms(): no params data found [ 76.638324][ T1167] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.674018][ T4293] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.681532][ T4293] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.690394][ T4293] device bridge_slave_0 entered promiscuous mode [ 76.698777][ T4293] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.706397][ T4293] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.715220][ T4293] device bridge_slave_1 entered promiscuous mode [ 76.736015][ T4293] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.748166][ T4293] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.769481][ T4293] team0: Port device team_slave_0 added [ 76.779849][ T4293] team0: Port device team_slave_1 added [ 76.796652][ T4293] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.804320][ T4293] 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. [ 76.833162][ T4293] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.845360][ T4293] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.853200][ T4293] 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. [ 76.882421][ T4293] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.911691][ T4293] device hsr_slave_0 entered promiscuous mode [ 76.920217][ T4293] device hsr_slave_1 entered promiscuous mode [ 76.928382][ T4293] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 76.936756][ T4293] Cannot create hsr debugfs directory [ 78.548319][ T2282] Bluetooth: hci0: command 0x0409 tx timeout [ 79.375235][ T1167] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.412959][ T1167] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.511288][ T1167] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 80.301357][ T4293] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 80.312044][ T4293] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 80.321507][ T4293] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 80.357536][ T4293] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 80.431526][ T4293] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.446526][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.456454][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.470053][ T4293] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.504256][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.514077][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.523144][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.530595][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.562925][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.573093][ T4237] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 80.582899][ T4237] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.592146][ T4237] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.599299][ T4237] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.612599][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 80.628495][ T1109] Bluetooth: hci0: command 0x041b tx timeout [ 80.643242][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 80.654150][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.664336][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.679807][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.690198][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.699280][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.708126][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 80.716901][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.744698][ T4293] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 80.755987][ T4293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.764293][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 80.774270][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.908006][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 80.915590][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 80.928564][ T4293] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.968944][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 80.979391][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 80.995142][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 81.003852][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 81.015170][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 81.024302][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 81.038013][ T4293] device veth0_vlan entered promiscuous mode [ 81.064835][ T4293] device veth1_vlan entered promiscuous mode [ 81.086044][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 81.095498][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 81.104123][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 81.114008][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 81.128621][ T4293] device veth0_macvtap entered promiscuous mode [ 81.156068][ T4293] device veth1_macvtap entered promiscuous mode [ 81.170508][ T4293] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 81.183064][ T4293] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 81.195343][ T4293] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 81.203725][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 81.212828][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 81.221846][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 81.232290][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 81.246564][ T4293] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 81.261085][ T4293] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 81.274664][ T4293] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 81.286015][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 81.296627][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 81.321543][ T4293] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.331514][ T4293] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.342006][ T4293] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.351882][ T4293] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.416252][ T1167] device hsr_slave_0 left promiscuous mode [ 81.424166][ T1167] device hsr_slave_1 left promiscuous mode [ 81.433109][ T1167] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 81.443285][ T1167] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 81.455095][ T1167] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 81.463055][ T1167] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 81.471542][ T1167] device bridge_slave_1 left promiscuous mode [ 81.479146][ T1167] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.493006][ T1167] device bridge_slave_0 left promiscuous mode [ 81.499500][ T1167] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.516981][ T1167] device veth1_macvtap left promiscuous mode [ 81.524211][ T1167] device veth0_macvtap left promiscuous mode [ 81.531427][ T1167] device veth1_vlan left promiscuous mode [ 81.538120][ T1167] device veth0_vlan left promiscuous mode [ 81.701994][ T1167] team0 (unregistering): Port device team_slave_1 removed [ 81.719770][ T1167] team0 (unregistering): Port device team_slave_0 removed [ 81.733882][ T1167] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 81.748582][ T1167] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 81.804882][ T1167] bond0 (unregistering): Released all slaves [ 81.860581][ T154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.869722][ T154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.888143][ T4281] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 81.910303][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.918992][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.927087][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 81.978578][ T4347] loop0: detected capacity change from 0 to 64 [ 82.603904][ T4347] [ 82.606474][ T4347] ============================================ [ 82.612729][ T4347] WARNING: possible recursive locking detected [ 82.619486][ T4347] syzkaller #0 Not tainted [ 82.624731][ T4347] -------------------------------------------- [ 82.633133][ T4347] syz.0.17/4347 is trying to acquire lock: [ 82.639901][ T4347] ffff88807a8ea0b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x14e/0x1d0 [ 82.651120][ T4347] [ 82.651120][ T4347] but task is already holding lock: [ 82.659262][ T4347] ffff88807a8ea0b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x14e/0x1d0 [ 82.669949][ T4347] [ 82.669949][ T4347] other info that might help us debug this: [ 82.678393][ T4347] Possible unsafe locking scenario: [ 82.678393][ T4347] [ 82.686866][ T4347] CPU0 [ 82.690919][ T4347] ---- [ 82.694423][ T4347] lock(&tree->tree_lock/1); [ 82.699319][ T4347] lock(&tree->tree_lock/1); [ 82.704020][ T4347] [ 82.704020][ T4347] *** DEADLOCK *** [ 82.704020][ T4347] [ 82.707783][ T13] Bluetooth: hci0: command 0x040f tx timeout [ 82.712368][ T4347] May be due to missing lock nesting notation [ 82.712368][ T4347] [ 82.712380][ T4347] 5 locks held by syz.0.17/4347: [ 82.712394][ T4347] #0: ffff888075846460 (sb_writers#13){.+.+}-{0:0}, at: vfs_write+0x296/0xd70 [ 82.712454][ T4347] #1: ffff8880761c1628 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: generic_file_write_iter+0x7e/0x1b0 [ 82.712508][ T4347] #2: ffff8880761c1478 (&HFS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfs_extend_file+0xe7/0x1380 [ 82.712556][ T4347] #3: ffff88807a8ea0b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x14e/0x1d0 [ 82.712607][ T4347] #4: ffff8880761c00f8 (&HFS_I(tree->inode)->extents_lock){+.+.}-{3:3}, at: hfs_extend_file+0xe7/0x1380 [ 82.789455][ T4347] [ 82.789455][ T4347] stack backtrace: [ 82.796547][ T4347] CPU: 1 PID: 4347 Comm: syz.0.17 Not tainted syzkaller #0 [ 82.804874][ T4347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 82.815448][ T4347] Call Trace: [ 82.818924][ T4347] [ 82.821877][ T4347] dump_stack_lvl+0x188/0x250 [ 82.827236][ T4347] ? show_regs_print_info+0x20/0x20 [ 82.832840][ T4347] ? load_image+0x410/0x410 [ 82.837628][ T4347] __lock_acquire+0x1247/0x7b50 [ 82.844088][ T4347] ? __lock_acquire+0x7b50/0x7b50 [ 82.850439][ T4347] ? mark_lock+0x94/0x320 [ 82.856034][ T4347] ? verify_lock_unused+0x140/0x140 [ 82.861732][ T4347] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 82.868317][ T4347] ? lock_chain_count+0x20/0x20 [ 82.874830][ T4347] ? __rwlock_init+0x140/0x140 [ 82.885072][ T4347] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 82.892293][ T4347] ? lockdep_hardirqs_on+0x94/0x140 [ 82.898907][ T4347] lock_acquire+0x19e/0x400 [ 82.904463][ T4347] ? hfs_find_init+0x14e/0x1d0 [ 82.909956][ T4347] ? __might_sleep+0xf0/0xf0 [ 82.916385][ T4347] ? read_lock_is_recursive+0x10/0x10 [ 82.923644][ T4347] ? __kasan_kmalloc+0xc6/0xe0 [ 82.930545][ T4347] ? __kasan_kmalloc+0xaf/0xe0 [ 82.936795][ T4347] ? hfs_find_init+0x83/0x1d0 [ 82.944333][ T4347] ? hfs_bmap_reserve+0x104/0x420 [ 82.950509][ T4347] ? __hfs_ext_write_extent+0x1fc/0x470 [ 82.957218][ T4347] ? __hfs_ext_cache_extent+0x6e/0x9a0 [ 82.963794][ T4347] ? hfs_get_block+0x3fe/0xbe0 [ 82.970170][ T4347] __mutex_lock_common+0x1e5/0x2400 [ 82.975938][ T4347] ? hfs_find_init+0x14e/0x1d0 [ 82.981344][ T4347] ? do_syscall_64+0x4c/0xa0 [ 82.986043][ T4347] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 82.993927][ T4347] ? hfs_find_init+0x14e/0x1d0 [ 82.999819][ T4347] ? mutex_lock_io_nested+0x60/0x60 [ 83.005749][ T4347] mutex_lock_nested+0x17/0x20 [ 83.010886][ T4347] hfs_find_init+0x14e/0x1d0 [ 83.017309][ T4347] hfs_extend_file+0x339/0x1380 [ 83.023405][ T4347] ? hfs_get_block+0xbe0/0xbe0 [ 83.029147][ T4347] ? __hfs_brec_find+0x32a/0x510 [ 83.035680][ T4347] ? do_raw_spin_unlock+0x11d/0x230 [ 83.041452][ T4347] ? hfs_brec_find+0x3c9/0x500 [ 83.046664][ T4347] hfs_bmap_reserve+0x104/0x420 [ 83.051841][ T4347] __hfs_ext_write_extent+0x1fc/0x470 [ 83.058097][ T4347] __hfs_ext_cache_extent+0x6e/0x9a0 [ 83.063525][ T4347] ? mutex_lock_nested+0x17/0x20 [ 83.069330][ T4347] ? hfs_find_init+0x14e/0x1d0 [ 83.074459][ T4347] hfs_extend_file+0x378/0x1380 [ 83.079833][ T4347] ? hfs_get_block+0xbe0/0xbe0 [ 83.085603][ T4347] ? hfs_get_block+0x93b/0xbe0 [ 83.091250][ T4347] ? pagevec_lookup_range+0x30/0x70 [ 83.097186][ T4347] ? clean_bdev_aliases+0x762/0x8a0 [ 83.103126][ T4347] hfs_get_block+0x3fe/0xbe0 [ 83.107829][ T4347] ? hfs_free_extents+0x430/0x430 [ 83.113257][ T4347] ? do_raw_spin_unlock+0x11d/0x230 [ 83.118600][ T4347] ? create_page_buffers+0x238/0x320 [ 83.125533][ T4347] __block_write_begin_int+0x565/0x15d0 [ 83.131358][ T4347] ? hfs_free_extents+0x430/0x430 [ 83.137566][ T4347] ? page_zero_new_buffers+0x490/0x490 [ 83.143461][ T4347] ? wait_for_stable_page+0xd9/0x110 [ 83.149492][ T4347] cont_write_begin+0x598/0x7b0 [ 83.154727][ T4347] ? __lock_acquire+0x7b50/0x7b50 [ 83.160319][ T4347] ? generic_cont_expand_simple+0x1a0/0x1a0 [ 83.166231][ T4347] ? rcu_is_watching+0x11/0xa0 [ 83.171333][ T4347] ? __mark_inode_dirty+0x3a4/0xc90 [ 83.176890][ T4347] ? unlock_page+0x17c/0x1f0 [ 83.181870][ T4347] hfs_write_begin+0x92/0xe0 [ 83.186570][ T4347] ? hfs_free_extents+0x430/0x430 [ 83.191816][ T4347] cont_write_begin+0x263/0x7b0 [ 83.196855][ T4347] ? generic_cont_expand_simple+0x1a0/0x1a0 [ 83.203051][ T4347] ? verify_lock_unused+0x140/0x140 [ 83.208362][ T4347] ? __vfs_getxattr+0x32d/0x3e0 [ 83.213297][ T4347] hfs_write_begin+0x92/0xe0 [ 83.217882][ T4347] ? hfs_free_extents+0x430/0x430 [ 83.223073][ T4347] generic_perform_write+0x2b6/0x550 [ 83.228785][ T4347] ? atime_needs_update+0x770/0x770 [ 83.234722][ T4347] ? grab_cache_page_write_begin+0xa0/0xa0 [ 83.241243][ T4347] ? file_remove_privs+0x5d0/0x5d0 [ 83.246550][ T4347] ? rwsem_write_trylock+0x135/0x1c0 [ 83.251945][ T4347] ? clear_nonspinnable+0x60/0x60 [ 83.257121][ T4347] __generic_file_write_iter+0x261/0x4e0 [ 83.262969][ T4347] ? generic_write_checks+0x3be/0x460 [ 83.268956][ T4347] generic_file_write_iter+0xa6/0x1b0 [ 83.274455][ T4347] vfs_write+0x748/0xd70 [ 83.278848][ T4347] ? lockdep_hardirqs_on+0x94/0x140 [ 83.284051][ T4347] ? file_end_write+0x250/0x250 [ 83.288903][ T4347] ? __fdget+0x150/0x210 [ 83.293237][ T4347] __x64_sys_pwrite64+0x197/0x220 [ 83.299078][ T4347] ? ksys_pwrite64+0x1c0/0x1c0 [ 83.304033][ T4347] ? lockdep_hardirqs_on+0x94/0x140 [ 83.309514][ T4347] do_syscall_64+0x4c/0xa0 [ 83.314046][ T4347] ? clear_bhb_loop+0x30/0x80 [ 83.318914][ T4347] ? clear_bhb_loop+0x30/0x80 [ 83.323600][ T4347] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 83.329549][ T4347] RIP: 0033:0x7f763f4e80d9 [ 83.334224][ T4347] 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 [ 83.355823][ T4347] RSP: 002b:00007ffd6504db38 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 83.364896][ T4347] RAX: ffffffffffffffda RBX: 00007f763f76ffa0 RCX: 00007f763f4e80d9 [ 83.374104][ T4347] RDX: 0000000000000001 RSI: 0000200000000140 RDI: 0000000000000004 [ 83.382745][ T4347] RBP: 00007f763f57f024 R08: 0000000000000000 R09: 0000000000000000 [ 83.391518][ T4347] R10: 0000000008000c61 R11: 0000000000000246 R12: 0000000000000000 [ 83.400234][ T4347] R13: 00007f763f76ffac R14: 00007f763f76ffa0 R15: 00007f763f76ffa0 [ 83.408311][ T4347] [ 83.411478][ C1] sched: RT throttling activated [ 84.797794][ T4199] Bluetooth: hci0: command 0x0419 tx timeout [ 86.868191][ T7] cfg80211: failed to load regulatory.db [ 87.028988][ T1167] attempt to access beyond end of device [ 87.028988][ T1167] loop0: rw=1048577, want=66, limit=64 [ 87.040358][ T1167] Buffer I/O error on dev loop0, logical block 65, lost async page write [ 87.049319][ T1167] attempt to access beyond end of device [ 87.049319][ T1167] loop0: rw=1048577, want=67, limit=64 [ 87.060937][ T1167] Buffer I/O error on dev loop0, logical block 66, lost async page write [ 87.069838][ T1167] attempt to access beyond end of device [ 87.069838][ T1167] loop0: rw=1048577, want=68, limit=64 [ 87.081738][ T1167] Buffer I/O error on dev loop0, logical block 67, lost async page write [ 87.090249][ T1167] attempt to access beyond end of device [ 87.090249][ T1167] loop0: rw=1048577, want=69, limit=64 [ 87.101507][ T1167] Buffer I/O error on dev loop0, logical block 68, lost async page write [ 87.110478][ T1167] attempt to access beyond end of device [ 87.110478][ T1167] loop0: rw=1048577, want=73, limit=64 [ 87.122583][ T1167] Buffer I/O error on dev loop0, logical block 72, lost async page write [ 87.131681][ T1167] attempt to access beyond end of device [ 87.131681][ T1167] loop0: rw=1048577, want=74, limit=64 [ 87.142755][ T1167] Buffer I/O error on dev loop0, logical block 73, lost async page write [ 87.152079][ T1167] attempt to access beyond end of device [ 87.152079][ T1167] loop0: rw=1048577, want=77, limit=64 [ 87.163303][ T1167] Buffer I/O error on dev loop0, logical block 76, lost async page write [ 87.172097][ T1167] attempt to access beyond end of device [ 87.172097][ T1167] loop0: rw=1048577, want=78, limit=64 [ 87.183104][ T1167] Buffer I/O error on dev loop0, logical block 77, lost async page write [ 87.194355][ T1167] attempt to access beyond end of device [ 87.194355][ T1167] loop0: rw=1048577, want=4166, limit=64 [ 87.207508][ T1167] attempt to access beyond end of device [ 87.207508][ T1167] loop0: rw=1048577, want=4167, limit=64 [ 87.219305][ T1167] Buffer I/O error on dev loop0, logical block 4166, lost async page write [ 87.228165][ T1167] Buffer I/O error on dev loop0, logical block 4167, lost async page write