Warning: Permanently added '10.128.1.143' (ED25519) to the list of known hosts. 2026/04/11 04:41:03 parsed 1 programs [ 77.974306][ T4270] cgroup: Unknown subsys name 'net' [ 78.101978][ T4270] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 79.751666][ T4270] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 81.742331][ T4290] chnl_net:caif_netlink_parms(): no params data found [ 81.791385][ T4290] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.799680][ T4290] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.808387][ T4290] device bridge_slave_0 entered promiscuous mode [ 81.817353][ T4290] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.824634][ T4290] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.836392][ T4290] device bridge_slave_1 entered promiscuous mode [ 81.876572][ T4290] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.897855][ T4290] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.933841][ T4290] team0: Port device team_slave_0 added [ 81.943248][ T4290] team0: Port device team_slave_1 added [ 81.975511][ T4290] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 81.982852][ T4290] 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. [ 82.011230][ T4290] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.028650][ T4290] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.035733][ T4290] 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. [ 82.063583][ T4290] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 82.118016][ T4290] device hsr_slave_0 entered promiscuous mode [ 82.125357][ T4290] device hsr_slave_1 entered promiscuous mode [ 82.343639][ T4290] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.357016][ T4290] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.379986][ T4290] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.405335][ T4290] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.426844][ T4290] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.434423][ T4290] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.443325][ T4290] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.451026][ T4290] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.500817][ T4290] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.514597][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.525313][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.536995][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.546911][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 82.560794][ T4290] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.573860][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.583055][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.590885][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.604010][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.612839][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.620684][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.643785][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.653506][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.666126][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.685063][ T4290] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 82.697467][ T4290] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 82.712508][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.722848][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.732192][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.907998][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.915589][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.932191][ T4290] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.949726][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 82.959082][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.982338][ T1059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 82.991625][ T1059] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 83.002574][ T1059] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 83.011111][ T1059] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 83.021799][ T4290] device veth0_vlan entered promiscuous mode [ 83.038602][ T4290] device veth1_vlan entered promiscuous mode [ 83.067393][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 83.077654][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 83.085989][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 83.096247][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 83.107896][ T4290] device veth0_macvtap entered promiscuous mode [ 83.120172][ T4290] device veth1_macvtap entered promiscuous mode [ 83.135499][ T4290] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.144705][ T1059] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 83.154445][ T1059] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 83.164011][ T1059] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 83.173308][ T1059] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 83.185005][ T4290] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.193103][ T1059] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 83.203079][ T1059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 83.215388][ T4290] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.224732][ T4290] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.234568][ T4290] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.243570][ T4290] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.377110][ T1059] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.137560][ T4324] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 84.145820][ T4324] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 84.155025][ T4324] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 84.165833][ T4324] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 84.174636][ T4324] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 84.182430][ T4324] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 85.202043][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.216593][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.230695][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 85.264013][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.273464][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.282278][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 85.574609][ T1059] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/04/11 04:41:13 executed programs: 0 [ 86.306187][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 86.315536][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 86.323598][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 86.331970][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 86.340579][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 86.349502][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 86.468147][ T4361] chnl_net:caif_netlink_parms(): no params data found [ 86.512823][ T4361] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.520781][ T4361] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.529274][ T4361] device bridge_slave_0 entered promiscuous mode [ 86.538348][ T4361] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.545629][ T4361] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.554111][ T4361] device bridge_slave_1 entered promiscuous mode [ 86.577978][ T4361] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.589160][ T4361] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.611729][ T4361] team0: Port device team_slave_0 added [ 86.620076][ T4361] team0: Port device team_slave_1 added [ 86.637326][ T4361] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 86.644411][ T4361] 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. [ 86.672043][ T4361] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 86.684236][ T4361] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 86.691583][ T4361] 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. [ 86.719796][ T4361] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 86.751354][ T4361] device hsr_slave_0 entered promiscuous mode [ 86.758759][ T4361] device hsr_slave_1 entered promiscuous mode [ 86.765769][ T4361] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 86.773966][ T4361] Cannot create hsr debugfs directory [ 86.988124][ T125] cfg80211: failed to load regulatory.db [ 87.869654][ T1059] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 87.931698][ T1059] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 88.427321][ T4324] Bluetooth: hci0: command 0x0409 tx timeout [ 88.760046][ T4361] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 88.772290][ T4361] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 88.784116][ T4361] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 88.809687][ T4361] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 88.879924][ T1059] device hsr_slave_0 left promiscuous mode [ 88.888348][ T1059] device hsr_slave_1 left promiscuous mode [ 88.895518][ T1059] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 88.906728][ T1059] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 88.915460][ T1059] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 88.926189][ T1059] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 88.938938][ T1059] device bridge_slave_1 left promiscuous mode [ 88.946630][ T1059] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.960995][ T1059] device bridge_slave_0 left promiscuous mode [ 88.967772][ T1059] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.999101][ T1059] device veth1_macvtap left promiscuous mode [ 89.005944][ T1059] device veth0_macvtap left promiscuous mode [ 89.012861][ T1059] device veth1_vlan left promiscuous mode [ 89.021679][ T1059] device veth0_vlan left promiscuous mode [ 89.442459][ T1059] team0 (unregistering): Port device team_slave_1 removed [ 89.472879][ T1059] team0 (unregistering): Port device team_slave_0 removed [ 89.504610][ T1059] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 89.535536][ T1059] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 89.739875][ T1059] bond0 (unregistering): Released all slaves [ 89.819835][ T4361] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.832886][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 89.841439][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 89.855345][ T4361] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.868410][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 89.881980][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 89.890879][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.898315][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.907373][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 89.925692][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 89.937477][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 89.948074][ T2960] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.955323][ T2960] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.967704][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 89.979719][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 89.993183][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 90.002788][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.012576][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 90.023876][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 90.035035][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.056132][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 90.065673][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 90.077804][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 90.087809][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 90.099815][ T4361] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 90.320147][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 90.328891][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 90.341879][ T4361] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.359546][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 90.370002][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 90.395195][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 90.405662][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 90.418560][ T4361] device veth0_vlan entered promiscuous mode [ 90.440408][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 90.450419][ T2960] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 90.464215][ T4361] device veth1_vlan entered promiscuous mode [ 90.504492][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 90.514386][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 90.518380][ T4324] Bluetooth: hci0: command 0x041b tx timeout [ 90.524461][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 90.549593][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 90.562740][ T4361] device veth0_macvtap entered promiscuous mode [ 90.577967][ T4361] device veth1_macvtap entered promiscuous mode [ 90.607809][ T4361] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 90.615518][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 90.627596][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 90.636052][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 90.645612][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 90.657473][ T4361] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 90.665237][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 90.675091][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 90.690423][ T4361] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.700287][ T4361] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.709957][ T4361] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.719784][ T4361] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.853868][ T46] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.862021][ T46] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.871427][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 90.890244][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.898721][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.907291][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 90.953835][ T4426] loop0: detected capacity change from 0 to 1024 [ 90.993076][ T4426] [ 90.995500][ T4426] ============================================ [ 91.001781][ T4426] WARNING: possible recursive locking detected [ 91.007962][ T4426] syzkaller #0 Not tainted [ 91.012504][ T4426] -------------------------------------------- [ 91.018687][ T4426] syz.0.17/4426 is trying to acquire lock: [ 91.024663][ T4426] ffff88807b261548 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_get_block+0x3a1/0x15a0 [ 91.035684][ T4426] [ 91.035684][ T4426] but task is already holding lock: [ 91.043324][ T4426] ffff88807b262988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_extend+0x1cd/0x1a50 [ 91.054549][ T4426] [ 91.054549][ T4426] other info that might help us debug this: [ 91.062909][ T4426] Possible unsafe locking scenario: [ 91.062909][ T4426] [ 91.070624][ T4426] CPU0 [ 91.073903][ T4426] ---- [ 91.077196][ T4426] lock(&HFSPLUS_I(inode)->extents_lock); [ 91.083190][ T4426] lock(&HFSPLUS_I(inode)->extents_lock); [ 91.089103][ T4426] [ 91.089103][ T4426] *** DEADLOCK *** [ 91.089103][ T4426] [ 91.097453][ T4426] May be due to missing lock nesting notation [ 91.097453][ T4426] [ 91.106128][ T4426] 4 locks held by syz.0.17/4426: [ 91.111176][ T4426] #0: ffff88807b6d4460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90 [ 91.120730][ T4426] #1: ffff88807b262b80 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: do_truncate+0x198/0x240 [ 91.131722][ T4426] #2: ffff88807b262988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_extend+0x1cd/0x1a50 [ 91.143502][ T4426] #3: ffff88807d10f8f8 (&sbi->alloc_mutex){+.+.}-{3:3}, at: hfsplus_block_allocate+0x92/0x8a0 [ 91.154057][ T4426] [ 91.154057][ T4426] stack backtrace: [ 91.160041][ T4426] CPU: 0 PID: 4426 Comm: syz.0.17 Not tainted syzkaller #0 [ 91.167334][ T4426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 91.177658][ T4426] Call Trace: [ 91.181041][ T4426] [ 91.183986][ T4426] dump_stack_lvl+0x188/0x24e [ 91.188685][ T4426] ? show_regs_print_info+0x12/0x12 [ 91.193920][ T4426] ? load_image+0x400/0x400 [ 91.198531][ T4426] __lock_acquire+0x123e/0x7d10 [ 91.203587][ T4426] ? unwind_get_return_address+0x49/0x80 [ 91.209686][ T4426] ? stack_trace_save+0xf0/0xf0 [ 91.214731][ T4426] ? verify_lock_unused+0x140/0x140 [ 91.220156][ T4426] ? lockdep_unlock+0x142/0x2e0 [ 91.225302][ T4426] ? lockdep_lock+0x1f0/0x1f0 [ 91.230004][ T4426] ? add_lock_to_list+0x191/0x280 [ 91.235051][ T4426] lock_acquire+0x1bb/0x4a0 [ 91.239574][ T4426] ? hfsplus_get_block+0x3a1/0x15a0 [ 91.245050][ T4426] ? __might_sleep+0xd0/0xd0 [ 91.249664][ T4426] ? read_lock_is_recursive+0x10/0x10 [ 91.255202][ T4426] ? verify_lock_unused+0x140/0x140 [ 91.260683][ T4426] __mutex_lock+0x12d/0xaf0 [ 91.265212][ T4426] ? hfsplus_get_block+0x3a1/0x15a0 [ 91.270774][ T4426] ? memset+0x1e/0x40 [ 91.275034][ T4426] ? hfsplus_get_block+0x3a1/0x15a0 [ 91.280332][ T4426] ? mutex_lock_nested+0x10/0x10 [ 91.285391][ T4426] hfsplus_get_block+0x3a1/0x15a0 [ 91.290518][ T4426] ? hfsplus_ext_write_extent+0x220/0x220 [ 91.296341][ T4426] ? do_raw_spin_unlock+0x11d/0x230 [ 91.301550][ T4426] ? create_page_buffers+0x24f/0x4a0 [ 91.307047][ T4426] block_read_full_folio+0x3e6/0xf00 [ 91.312552][ T4426] ? _raw_spin_unlock_irq+0x1f/0x40 [ 91.317906][ T4426] ? hfsplus_ext_write_extent+0x220/0x220 [ 91.323923][ T4426] ? block_is_partially_uptodate+0x5f0/0x5f0 [ 91.330019][ T4426] ? __lock_acquire+0x7d10/0x7d10 [ 91.335147][ T4426] ? folio_put+0xd0/0xd0 [ 91.339431][ T4426] ? folio_alloc+0x51/0x60 [ 91.343986][ T4426] filemap_read_folio+0x16b/0x770 [ 91.349292][ T4426] ? folio_batch_add_and_move+0x14a/0x250 [ 91.355130][ T4426] ? hfsplus_writepage+0x30/0x30 [ 91.360180][ T4426] ? maybe_unlock_mmap_for_io+0x140/0x140 [ 91.366089][ T4426] ? filemap_add_folio+0x188/0x3c0 [ 91.371219][ T4426] do_read_cache_folio+0x2a0/0x760 [ 91.376451][ T4426] ? hfsplus_writepage+0x30/0x30 [ 91.381809][ T4426] do_read_cache_page+0x32/0x220 [ 91.387052][ T4426] hfsplus_block_allocate+0xdc/0x8a0 [ 91.392450][ T4426] ? blk_mq_submit_bio+0x129e/0x2010 [ 91.397928][ T4426] hfsplus_file_extend+0xb1f/0x1a50 [ 91.403494][ T4426] ? hfsplus_get_block+0x15a0/0x15a0 [ 91.408792][ T4426] ? seqcount_lockdep_reader_access+0x127/0x1d0 [ 91.415063][ T4426] ? lockdep_hardirqs_on+0x94/0x140 [ 91.420583][ T4426] ? ktime_get+0x7b/0x270 [ 91.425128][ T4426] ? seqcount_lockdep_reader_access+0x18d/0x1d0 [ 91.431654][ T4426] ? __submit_bio+0x1a7/0x290 [ 91.436433][ T4426] ? trace_raw_output_block_rq_remap+0x240/0x240 [ 91.444086][ T4426] hfsplus_get_block+0x430/0x15a0 [ 91.449402][ T4426] ? should_fail_request+0x70/0x70 [ 91.454616][ T4426] ? hfsplus_ext_write_extent+0x220/0x220 [ 91.460705][ T4426] ? submit_bio_noacct+0xf7b/0x1a10 [ 91.466096][ T4426] __block_write_begin_int+0x55d/0x1a80 [ 91.471940][ T4426] ? filemap_add_folio+0x188/0x3c0 [ 91.477155][ T4426] ? xas_load+0x119/0x140 [ 91.481682][ T4426] ? hfsplus_ext_write_extent+0x220/0x220 [ 91.487446][ T4426] ? page_zero_new_buffers+0x650/0x650 [ 91.493271][ T4426] ? PageHeadHuge+0x8f/0x1c0 [ 91.498152][ T4426] ? hfsplus_ext_write_extent+0x220/0x220 [ 91.504628][ T4426] block_write_begin+0x96/0x1e0 [ 91.510587][ T4426] cont_write_begin+0x5ea/0x800 [ 91.515562][ T4426] ? generic_cont_expand_simple+0x200/0x200 [ 91.521738][ T4426] ? add_lock_to_list+0x191/0x280 [ 91.527145][ T4426] hfsplus_write_begin+0x87/0xd0 [ 91.532183][ T4426] ? hfsplus_ext_write_extent+0x220/0x220 [ 91.538524][ T4426] cont_write_begin+0x2ad/0x800 [ 91.543486][ T4426] ? generic_cont_expand_simple+0x200/0x200 [ 91.549392][ T4426] ? seqcount_lockdep_reader_access+0x127/0x1d0 [ 91.555703][ T4426] ? lockdep_hardirqs_on+0x94/0x140 [ 91.561003][ T4426] ? ktime_get_coarse_real_ts64+0x36/0x120 [ 91.566841][ T4426] ? seqcount_lockdep_reader_access+0x18d/0x1d0 [ 91.573310][ T4426] ? ktime_get_real_ts64+0x440/0x440 [ 91.578709][ T4426] hfsplus_write_begin+0x87/0xd0 [ 91.583692][ T4426] ? hfsplus_ext_write_extent+0x220/0x220 [ 91.589551][ T4426] generic_cont_expand_simple+0x13d/0x200 [ 91.595314][ T4426] ? inode_owner_or_capable+0x200/0x200 [ 91.600918][ T4426] ? submit_bh+0x20/0x20 [ 91.605176][ T4426] ? current_time+0x1c1/0x2b0 [ 91.609870][ T4426] ? setattr_prepare+0x1f5/0xd00 [ 91.614921][ T4426] hfsplus_setattr+0x165/0x280 [ 91.619716][ T4426] ? hfsplus_fileattr_set+0x330/0x330 [ 91.626027][ T4426] notify_change+0xc74/0xf40 [ 91.630771][ T4426] do_truncate+0x1ac/0x240 [ 91.635302][ T4426] ? put_page_bootmem+0x2c0/0x2c0 [ 91.640363][ T4426] ? bpf_lsm_path_truncate+0x5/0x10 [ 91.645581][ T4426] vfs_truncate+0x262/0x2f0 [ 91.650107][ T4426] do_sys_truncate+0xf2/0x1c0 [ 91.655067][ T4426] ? lock_chain_count+0x20/0x20 [ 91.659936][ T4426] ? break_lease+0xd0/0xd0 [ 91.664641][ T4426] ? lockdep_hardirqs_on+0x94/0x140 [ 91.669945][ T4426] do_syscall_64+0x4c/0xa0 [ 91.674463][ T4426] ? clear_bhb_loop+0x60/0xb0 [ 91.679251][ T4426] ? clear_bhb_loop+0x60/0xb0 [ 91.683978][ T4426] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 91.689893][ T4426] RIP: 0033:0x7f969bf9c819 [ 91.694439][ T4426] 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 [ 91.714762][ T4426] RSP: 002b:00007ffd0d24f7a8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 91.723283][ T4426] RAX: ffffffffffffffda RBX: 00007f969c215fa0 RCX: 00007f969bf9c819 [ 91.731269][ T4426] RDX: 0000000000000000 RSI: 000000000000fffe RDI: 0000200000000040 [ 91.739338][ T4426] RBP: 00007f969c032c91 R08: 0000000000000000 R09: 0000000000000000 [ 91.747321][ T4426] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 91.755480][ T4426] R13: 00007f969c215fac R14: 00007f969c215fa0 R15: 00007f969c215fa0 [ 91.763647][ T4426]