Warning: Permanently added '10.128.0.62' (ED25519) to the list of known hosts. 2026/01/30 20:18:45 parsed 1 programs [ 90.026452][ T4615] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 92.258035][ T1482] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.276856][ T1482] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.296096][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 92.311376][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.320408][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.330868][ T1482] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 92.913951][ T4673] chnl_net:caif_netlink_parms(): no params data found [ 92.963946][ T4673] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.971087][ T4673] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.978845][ T4673] device bridge_slave_0 entered promiscuous mode [ 92.986476][ T4673] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.993797][ T4673] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.001539][ T4673] device bridge_slave_1 entered promiscuous mode [ 93.029021][ T4673] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.040829][ T4673] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.152633][ T4673] team0: Port device team_slave_0 added [ 93.160355][ T4673] team0: Port device team_slave_1 added [ 93.191017][ T4673] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.198028][ T4673] 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. [ 93.224337][ T4673] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.242047][ T4673] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.249906][ T4673] 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. [ 93.276166][ T4673] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.301553][ T4673] device hsr_slave_0 entered promiscuous mode [ 93.308652][ T4673] device hsr_slave_1 entered promiscuous mode [ 93.826980][ T4673] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.837198][ T4673] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.847909][ T4673] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.886979][ T4673] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.911287][ T4673] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.918669][ T4673] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.926740][ T4673] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.933912][ T4673] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.945373][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.953711][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.034609][ T4673] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.047354][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 94.060688][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.073981][ T4673] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.083681][ T1482] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 94.092648][ T1482] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 94.101760][ T1482] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.108877][ T1482] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.155853][ T1482] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 94.167110][ T1482] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 94.176444][ T1482] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.183563][ T1482] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.193404][ T1482] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 94.202150][ T1482] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 94.214602][ T1482] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 94.224413][ T1482] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 94.234867][ T1482] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 94.252866][ T4673] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 94.266145][ T4673] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 94.279485][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 94.290290][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 94.299877][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 94.309691][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 94.318375][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 94.326737][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 94.335534][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 94.467684][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 94.476239][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 94.488837][ T4673] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.525623][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 94.536840][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 94.557697][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 94.566701][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 94.577937][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 94.586454][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 94.598107][ T4673] device veth0_vlan entered promiscuous mode [ 94.622565][ T4673] device veth1_vlan entered promiscuous mode [ 94.647713][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 94.659692][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 94.668782][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 94.678672][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 94.694087][ T4673] device veth0_macvtap entered promiscuous mode [ 94.709748][ T4673] device veth1_macvtap entered promiscuous mode [ 94.736710][ T4673] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.745061][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 94.754697][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 94.762725][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 94.772029][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 94.783952][ T4673] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.791229][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 94.800213][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 94.817813][ T4673] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.828947][ T4673] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.838025][ T4673] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.848852][ T4673] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/01/30 20:18:54 executed programs: 0 [ 96.318478][ T4819] chnl_net:caif_netlink_parms(): no params data found [ 96.405490][ T4819] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.426388][ T4819] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.446245][ T4819] device bridge_slave_0 entered promiscuous mode [ 96.468466][ T4819] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.484993][ T4819] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.500277][ T4819] device bridge_slave_1 entered promiscuous mode [ 96.558911][ T4819] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.588580][ T4819] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.654842][ T4819] team0: Port device team_slave_0 added [ 96.675244][ T4819] team0: Port device team_slave_1 added [ 96.728293][ T4819] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.744985][ T4819] 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. [ 96.796158][ T4819] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.808663][ T4819] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.816108][ T4819] 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. [ 96.842442][ T4819] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.890756][ T4819] device hsr_slave_0 entered promiscuous mode [ 96.897745][ T4819] device hsr_slave_1 entered promiscuous mode [ 96.906547][ T4819] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 96.918173][ T4819] Cannot create hsr debugfs directory [ 96.943835][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.173240][ T4688] Bluetooth: hci0: command 0x0409 tx timeout [ 99.297642][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.337351][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.408441][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.158155][ T4819] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 100.169057][ T4819] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 100.178575][ T4819] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 100.194310][ T4819] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 100.237038][ T4819] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.247471][ T9] device hsr_slave_0 left promiscuous mode [ 100.253109][ T4274] Bluetooth: hci0: command 0x041b tx timeout [ 100.262179][ T9] device hsr_slave_1 left promiscuous mode [ 100.269113][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 100.276759][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 100.284466][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 100.291839][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 100.299579][ T9] device bridge_slave_1 left promiscuous mode [ 100.305840][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.314655][ T9] device bridge_slave_0 left promiscuous mode [ 100.320807][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.331693][ T9] device veth1_macvtap left promiscuous mode [ 100.338021][ T9] device veth0_macvtap left promiscuous mode [ 100.344241][ T9] device veth1_vlan left promiscuous mode [ 100.349991][ T9] device veth0_vlan left promiscuous mode [ 100.458932][ T9] team0 (unregistering): Port device team_slave_1 removed [ 100.472583][ T9] team0 (unregistering): Port device team_slave_0 removed [ 100.484185][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 100.496524][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 100.542339][ T9] bond0 (unregistering): Released all slaves [ 100.602383][ T4819] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.610539][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 100.619003][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 100.628732][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 100.637625][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 100.646117][ T1171] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.653196][ T1171] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.674495][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 100.682472][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 100.694009][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 100.702453][ T1171] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.709544][ T1171] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.718733][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 100.729256][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 100.740000][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 100.749112][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 100.757515][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 100.773497][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 100.790591][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 100.799389][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 100.808324][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 100.819958][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 100.828929][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 100.838988][ T4819] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 100.915698][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 100.923677][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 100.935093][ T4819] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.963590][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 100.972266][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 100.988774][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 100.997314][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 101.008167][ T4819] device veth0_vlan entered promiscuous mode [ 101.016200][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 101.024539][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 101.036419][ T4819] device veth1_vlan entered promiscuous mode [ 101.058249][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 101.068115][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 101.076592][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 101.086478][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 101.097456][ T4819] device veth0_macvtap entered promiscuous mode [ 101.107349][ T4819] device veth1_macvtap entered promiscuous mode [ 101.123446][ T4819] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 101.130735][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 101.141900][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 101.150305][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 101.161670][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 101.173612][ T4819] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 101.180884][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 101.189910][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 101.204979][ T4819] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.213724][ T4819] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.222398][ T4819] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.231637][ T4819] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.288973][ T1171] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.313001][ T1171] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.321935][ T4318] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2026/01/30 20:18:59 executed programs: 2 [ 101.332384][ T4318] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.340746][ T4318] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.351163][ T1171] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 101.407691][ T5099] loop0: detected capacity change from 0 to 64 [ 101.444217][ T5099] ======================================================= [ 101.444217][ T5099] WARNING: The mand mount option has been deprecated and [ 101.444217][ T5099] and is ignored by this kernel. Remove the mand [ 101.444217][ T5099] option from the mount to silence this warning. [ 101.444217][ T5099] ======================================================= [ 101.662649][ T5099] [ 101.665012][ T5099] ============================================ [ 101.671146][ T5099] WARNING: possible recursive locking detected [ 101.677289][ T5099] syzkaller #0 Not tainted [ 101.681693][ T5099] -------------------------------------------- [ 101.687910][ T5099] syz.0.17/5099 is trying to acquire lock: [ 101.693700][ T5099] ffff88807bcc20b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x15b/0x1d0 [ 101.703107][ T5099] [ 101.703107][ T5099] but task is already holding lock: [ 101.710458][ T5099] ffff88807bcc20b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x15b/0x1d0 [ 101.719945][ T5099] [ 101.719945][ T5099] other info that might help us debug this: [ 101.728087][ T5099] Possible unsafe locking scenario: [ 101.728087][ T5099] [ 101.735608][ T5099] CPU0 [ 101.738869][ T5099] ---- [ 101.742130][ T5099] lock(&tree->tree_lock/1); [ 101.746799][ T5099] lock(&tree->tree_lock/1); [ 101.751466][ T5099] [ 101.751466][ T5099] *** DEADLOCK *** [ 101.751466][ T5099] [ 101.759589][ T5099] May be due to missing lock nesting notation [ 101.759589][ T5099] [ 101.767972][ T5099] 5 locks held by syz.0.17/5099: [ 101.772884][ T5099] #0: ffff88807bcc0460 (sb_writers#13){.+.+}-{0:0}, at: vfs_write+0x295/0xd60 [ 101.782004][ T5099] #1: ffff88807b509628 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: generic_file_write_iter+0x7e/0x1b0 [ 101.793458][ T5099] #2: ffff88807b509478 (&HFS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfs_extend_file+0xfb/0x13f0 [ 101.804128][ T5099] #3: ffff88807bcc20b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x15b/0x1d0 [ 101.813851][ T5099] #4: ffff88807b5080f8 (&HFS_I(tree->inode)->extents_lock){+.+.}-{3:3}, at: hfs_extend_file+0xfb/0x13f0 [ 101.825038][ T5099] [ 101.825038][ T5099] stack backtrace: [ 101.830917][ T5099] CPU: 1 PID: 5099 Comm: syz.0.17 Not tainted syzkaller #0 [ 101.838097][ T5099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 101.848132][ T5099] Call Trace: [ 101.851392][ T5099] [ 101.854300][ T5099] dump_stack_lvl+0x188/0x250 [ 101.858965][ T5099] ? show_regs_print_info+0x20/0x20 [ 101.864139][ T5099] ? load_image+0x400/0x400 [ 101.868624][ T5099] __lock_acquire+0x1236/0x7d10 [ 101.873633][ T5099] ? mark_lock+0x94/0x320 [ 101.877938][ T5099] ? verify_lock_unused+0x140/0x140 [ 101.883114][ T5099] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 101.889160][ T5099] ? lock_chain_count+0x20/0x20 [ 101.893987][ T5099] ? __rwlock_init+0x140/0x140 [ 101.898729][ T5099] ? _raw_spin_unlock_irqrestore+0x82/0x120 [ 101.904609][ T5099] ? lockdep_hardirqs_on+0x94/0x140 [ 101.909816][ T5099] lock_acquire+0x19e/0x400 [ 101.914309][ T5099] ? hfs_find_init+0x15b/0x1d0 [ 101.919065][ T5099] ? __might_sleep+0xf0/0xf0 [ 101.923634][ T5099] ? read_lock_is_recursive+0x10/0x10 [ 101.928986][ T5099] ? __kasan_kmalloc+0xcc/0xf0 [ 101.933726][ T5099] ? __kasan_kmalloc+0xb5/0xf0 [ 101.938469][ T5099] ? hfs_find_init+0x84/0x1d0 [ 101.943131][ T5099] ? hfs_bmap_reserve+0x103/0x420 [ 101.948133][ T5099] ? __hfs_ext_write_extent+0x1fa/0x470 [ 101.953651][ T5099] ? __hfs_ext_cache_extent+0x6b/0x9b0 [ 101.959083][ T5099] ? hfs_get_block+0x40f/0xc50 [ 101.963822][ T5099] ? hfs_find_init+0x15b/0x1d0 [ 101.968588][ T5099] __mutex_lock_common+0x1e3/0x2400 [ 101.973788][ T5099] ? hfs_find_init+0x15b/0x1d0 [ 101.978550][ T5099] ? mutex_lock_io_nested+0x60/0x60 [ 101.983735][ T5099] mutex_lock_nested+0x17/0x20 [ 101.988509][ T5099] hfs_find_init+0x15b/0x1d0 [ 101.993084][ T5099] hfs_extend_file+0x35d/0x13f0 [ 101.997915][ T5099] ? hfs_get_block+0xc50/0xc50 [ 102.002656][ T5099] ? __mutex_trylock_common+0x155/0x260 [ 102.008192][ T5099] ? rcu_lock_release+0x20/0x20 [ 102.013022][ T5099] ? hfs_find_init+0x84/0x1d0 [ 102.017677][ T5099] ? hfs_get_block+0x40f/0xc50 [ 102.022417][ T5099] ? __block_write_begin_int+0x565/0x15d0 [ 102.028110][ T5099] ? cont_write_begin+0x598/0x7b0 [ 102.033111][ T5099] ? memset+0x1e/0x40 [ 102.037159][ T5099] ? hfs_brec_find+0x197/0x500 [ 102.041916][ T5099] hfs_bmap_reserve+0x103/0x420 [ 102.046749][ T5099] __hfs_ext_write_extent+0x1fa/0x470 [ 102.052101][ T5099] __hfs_ext_cache_extent+0x6b/0x9b0 [ 102.057366][ T5099] ? mutex_lock_nested+0x17/0x20 [ 102.062285][ T5099] ? hfs_find_init+0x15b/0x1d0 [ 102.067117][ T5099] hfs_extend_file+0x39c/0x13f0 [ 102.071951][ T5099] ? hfs_get_block+0xc50/0xc50 [ 102.076699][ T5099] ? hfs_get_block+0x985/0xc50 [ 102.081460][ T5099] ? pagevec_lookup_range+0x30/0x70 [ 102.086756][ T5099] ? clean_bdev_aliases+0x762/0x8a0 [ 102.092025][ T5099] hfs_get_block+0x40f/0xc50 [ 102.096616][ T5099] ? hfs_free_extents+0x430/0x430 [ 102.101628][ T5099] ? do_raw_spin_unlock+0x11d/0x230 [ 102.106807][ T5099] ? create_page_buffers+0x238/0x320 [ 102.112070][ T5099] __block_write_begin_int+0x565/0x15d0 [ 102.117600][ T5099] ? hfs_free_extents+0x430/0x430 [ 102.122605][ T5099] ? page_zero_new_buffers+0x490/0x490 [ 102.128046][ T5099] ? wait_for_stable_page+0xd9/0x110 [ 102.133313][ T5099] cont_write_begin+0x598/0x7b0 [ 102.138143][ T5099] ? __lock_acquire+0x7d10/0x7d10 [ 102.143149][ T5099] ? generic_cont_expand_simple+0x1a0/0x1a0 [ 102.149031][ T5099] ? rcu_is_watching+0x11/0xa0 [ 102.153772][ T5099] ? __mark_inode_dirty+0x3a4/0xc90 [ 102.158953][ T5099] ? unlock_page+0x17c/0x1f0 [ 102.163645][ T5099] hfs_write_begin+0x92/0xe0 [ 102.168214][ T5099] ? hfs_free_extents+0x430/0x430 [ 102.173304][ T5099] cont_write_begin+0x263/0x7b0 [ 102.178137][ T5099] ? generic_cont_expand_simple+0x1a0/0x1a0 [ 102.184006][ T5099] ? verify_lock_unused+0x140/0x140 [ 102.189184][ T5099] ? __vfs_getxattr+0x30f/0x3d0 [ 102.194010][ T5099] hfs_write_begin+0x92/0xe0 [ 102.198588][ T5099] ? hfs_free_extents+0x430/0x430 [ 102.203601][ T5099] generic_perform_write+0x2b6/0x550 [ 102.209043][ T5099] ? atime_needs_update+0x780/0x780 [ 102.214223][ T5099] ? grab_cache_page_write_begin+0xa0/0xa0 [ 102.220005][ T5099] ? file_remove_privs+0x5d0/0x5d0 [ 102.225184][ T5099] ? rwsem_write_trylock+0x135/0x1c0 [ 102.230448][ T5099] ? clear_nonspinnable+0x60/0x60 [ 102.235452][ T5099] __generic_file_write_iter+0x25f/0x4e0 [ 102.241064][ T5099] generic_file_write_iter+0xa6/0x1b0 [ 102.246411][ T5099] vfs_write+0x745/0xd60 [ 102.250634][ T5099] ? file_end_write+0x250/0x250 [ 102.255460][ T5099] ? __fget_files+0x40f/0x480 [ 102.260118][ T5099] ? __fdget+0x18b/0x210 [ 102.264336][ T5099] ? __x64_sys_pwrite64+0xf2/0x220 [ 102.269425][ T5099] __x64_sys_pwrite64+0x19a/0x220 [ 102.274427][ T5099] ? ksys_pwrite64+0x1c0/0x1c0 [ 102.279253][ T5099] ? lockdep_hardirqs_on+0x94/0x140 [ 102.284429][ T5099] do_syscall_64+0x4c/0xa0 [ 102.288824][ T5099] ? clear_bhb_loop+0x30/0x80 [ 102.293492][ T5099] ? clear_bhb_loop+0x30/0x80 [ 102.298145][ T5099] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 102.304025][ T5099] RIP: 0033:0x7f1416944379 [ 102.308422][ T5099] 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 [ 102.328009][ T5099] RSP: 002b:00007f1415fa8028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 102.336397][ T5099] RAX: ffffffffffffffda RBX: 00007f1416b9ffa0 RCX: 00007f1416944379 [ 102.344350][ T5099] RDX: 000000000000ff10 RSI: 0000200000000140 RDI: 0000000000000004 [ 102.352305][ T5099] RBP: 00007f14169d7d68 R08: 0000000000000000 R09: 0000000000000000 [ 102.360265][ T5099] R10: 0000000008000c61 R11: 0000000000000246 R12: 0000000000000000 [ 102.368213][ T5099] R13: 00007f1416ba0038 R14: 00007f1416b9ffa0 R15: 00007ffcdaea69f8 [ 102.376168][ T5099] [ 102.401172][ T4274] Bluetooth: hci0: command 0x040f tx timeout [ 104.413040][ T4271] Bluetooth: hci0: command 0x0419 tx timeout