Warning: Permanently added '10.128.0.194' (ED25519) to the list of known hosts. [ 92.160263][ T10] cfg80211: failed to load regulatory.db 2025/10/09 06:00:17 parsed 1 programs [ 97.529689][ T5810] cgroup: Unknown subsys name 'net' [ 97.791220][ T5810] cgroup: Unknown subsys name 'cpuset' [ 97.855946][ T5810] cgroup: Unknown subsys name 'rlimit' [ 99.916635][ T5810] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 103.618298][ T4929] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.618321][ T4929] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.736777][ T4929] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.736800][ T4929] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.822720][ T61] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 107.827560][ T61] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 107.828544][ T61] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 107.829876][ T61] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 107.830736][ T61] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 108.643020][ T5880] chnl_net:caif_netlink_parms(): no params data found [ 109.087920][ T5880] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.089786][ T5880] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.089993][ T5880] bridge_slave_0: entered allmulticast mode [ 109.093002][ T5880] bridge_slave_0: entered promiscuous mode [ 109.101096][ T5880] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.101346][ T5880] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.101549][ T5880] bridge_slave_1: entered allmulticast mode [ 109.104716][ T5880] bridge_slave_1: entered promiscuous mode [ 109.271258][ T5880] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 109.277204][ T5880] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 109.577549][ T5880] team0: Port device team_slave_0 added [ 109.580354][ T5880] team0: Port device team_slave_1 added [ 109.816650][ T5880] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 109.816664][ T5880] 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 1532 would solve the problem. [ 109.816684][ T5880] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 109.819821][ T5880] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 109.819837][ T5880] 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 1532 would solve the problem. [ 109.819866][ T5880] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 110.113398][ T5880] hsr_slave_0: entered promiscuous mode [ 110.115758][ T5880] hsr_slave_1: entered promiscuous mode [ 110.781680][ T5880] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 110.803163][ T5880] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 110.840694][ T5880] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 110.881487][ T5880] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 111.042335][ T5880] 8021q: adding VLAN 0 to HW filter on device bond0 [ 111.067347][ T5880] 8021q: adding VLAN 0 to HW filter on device team0 [ 111.077163][ T4929] bridge0: port 1(bridge_slave_0) entered blocking state [ 111.078761][ T4929] bridge0: port 1(bridge_slave_0) entered forwarding state [ 111.098490][ T4929] bridge0: port 2(bridge_slave_1) entered blocking state [ 111.098640][ T4929] bridge0: port 2(bridge_slave_1) entered forwarding state [ 111.342989][ T5880] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 111.392809][ T5880] veth0_vlan: entered promiscuous mode [ 111.404715][ T5880] veth1_vlan: entered promiscuous mode [ 111.443401][ T5880] veth0_macvtap: entered promiscuous mode [ 111.449418][ T5880] veth1_macvtap: entered promiscuous mode [ 111.470289][ T5880] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 111.488171][ T5880] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 111.511031][ T4929] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.512476][ T4929] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.512525][ T4929] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.512564][ T4929] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.330188][ T4929] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 112.587955][ T4929] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 113.229435][ T4929] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/10/09 06:00:37 executed programs: 0 [ 113.703430][ T61] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 113.707743][ T61] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 113.712891][ T61] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 113.714245][ T61] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 113.715107][ T61] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 114.083982][ T4929] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.201738][ T5916] chnl_net:caif_netlink_parms(): no params data found [ 114.497317][ T5916] bridge0: port 1(bridge_slave_0) entered blocking state [ 114.497473][ T5916] bridge0: port 1(bridge_slave_0) entered disabled state [ 114.497618][ T5916] bridge_slave_0: entered allmulticast mode [ 114.499578][ T5916] bridge_slave_0: entered promiscuous mode [ 114.502898][ T5916] bridge0: port 2(bridge_slave_1) entered blocking state [ 114.503047][ T5916] bridge0: port 2(bridge_slave_1) entered disabled state [ 114.503389][ T5916] bridge_slave_1: entered allmulticast mode [ 114.508352][ T5916] bridge_slave_1: entered promiscuous mode [ 114.659983][ T5916] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 114.663514][ T5916] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 114.861468][ T5916] team0: Port device team_slave_0 added [ 114.871269][ T5916] team0: Port device team_slave_1 added [ 115.018515][ T5916] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 115.018534][ T5916] 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 1532 would solve the problem. [ 115.018562][ T5916] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 115.071298][ T5916] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 115.071315][ T5916] 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 1532 would solve the problem. [ 115.071344][ T5916] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 115.352847][ T5916] hsr_slave_0: entered promiscuous mode [ 115.353902][ T5916] hsr_slave_1: entered promiscuous mode [ 115.354698][ T5916] debugfs: 'hsr0' already exists in 'hsr' [ 115.354782][ T5916] Cannot create hsr debugfs directory [ 115.467013][ T4929] bridge_slave_1: left allmulticast mode [ 115.467212][ T4929] bridge_slave_1: left promiscuous mode [ 115.468743][ T4929] bridge0: port 2(bridge_slave_1) entered disabled state [ 115.546473][ T4929] bridge_slave_0: left allmulticast mode [ 115.546498][ T4929] bridge_slave_0: left promiscuous mode [ 115.546694][ T4929] bridge0: port 1(bridge_slave_0) entered disabled state [ 115.757429][ T61] Bluetooth: hci0: command tx timeout [ 117.066369][ T4929] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 117.166103][ T4929] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 117.187808][ T4929] bond0 (unregistering): Released all slaves [ 117.685492][ T4929] hsr_slave_0: left promiscuous mode [ 117.725623][ T4929] hsr_slave_1: left promiscuous mode [ 117.726836][ T4929] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 117.726900][ T4929] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 117.756852][ T4929] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 117.756880][ T4929] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 117.835452][ T61] Bluetooth: hci0: command tx timeout [ 117.862731][ T4929] veth1_macvtap: left promiscuous mode [ 117.862913][ T4929] veth0_macvtap: left promiscuous mode [ 117.863108][ T4929] veth1_vlan: left promiscuous mode [ 117.863299][ T4929] veth0_vlan: left promiscuous mode [ 119.816293][ T4929] team0 (unregistering): Port device team_slave_1 removed [ 119.915355][ T61] Bluetooth: hci0: command tx timeout [ 120.006254][ T4929] team0 (unregistering): Port device team_slave_0 removed [ 121.995435][ T61] Bluetooth: hci0: command tx timeout [ 122.853697][ T5916] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 123.156049][ T5916] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 123.202453][ T5916] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 123.238706][ T5916] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 123.377422][ T5916] 8021q: adding VLAN 0 to HW filter on device bond0 [ 123.409526][ T5916] 8021q: adding VLAN 0 to HW filter on device team0 [ 123.416731][ T3590] bridge0: port 1(bridge_slave_0) entered blocking state [ 123.416975][ T3590] bridge0: port 1(bridge_slave_0) entered forwarding state [ 123.430893][ T3524] bridge0: port 2(bridge_slave_1) entered blocking state [ 123.432050][ T3524] bridge0: port 2(bridge_slave_1) entered forwarding state [ 123.724571][ T5916] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 123.768047][ T5916] veth0_vlan: entered promiscuous mode [ 123.894138][ T5916] veth1_vlan: entered promiscuous mode [ 123.932623][ T5916] veth0_macvtap: entered promiscuous mode [ 123.939202][ T5916] veth1_macvtap: entered promiscuous mode [ 123.969376][ T5916] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 123.982419][ T5916] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 123.998276][ T3524] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 123.998525][ T3524] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 123.998583][ T3524] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 123.998622][ T3524] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 124.187275][ T57] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 124.187316][ T57] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 124.242306][ T57] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 124.242330][ T57] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/10/09 06:00:47 executed programs: 2 [ 124.380409][ T5964] loop0: detected capacity change from 0 to 64 [ 124.383568][ T5964] ======================================================= [ 124.383568][ T5964] WARNING: The mand mount option has been deprecated and [ 124.383568][ T5964] and is ignored by this kernel. Remove the mand [ 124.383568][ T5964] option from the mount to silence this warning. [ 124.383568][ T5964] ======================================================= [ 124.612517][ T5964] [ 124.612527][ T5964] ============================================ [ 124.612532][ T5964] WARNING: possible recursive locking detected [ 124.612544][ T5964] syzkaller #0 Not tainted [ 124.612551][ T5964] -------------------------------------------- [ 124.612556][ T5964] syz.0.17/5964 is trying to acquire lock: [ 124.612563][ T5964] ffff88802f63c0a0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfs_find_init+0x18e/0x2c0 [ 124.612610][ T5964] [ 124.612610][ T5964] but task is already holding lock: [ 124.612614][ T5964] ffff88802f63c0a0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfs_find_init+0x18e/0x2c0 [ 124.612649][ T5964] [ 124.612649][ T5964] other info that might help us debug this: [ 124.612653][ T5964] Possible unsafe locking scenario: [ 124.612653][ T5964] [ 124.612657][ T5964] CPU0 [ 124.612661][ T5964] ---- [ 124.612664][ T5964] lock(&tree->tree_lock/1); [ 124.612676][ T5964] lock(&tree->tree_lock/1); [ 124.612688][ T5964] [ 124.612688][ T5964] *** DEADLOCK *** [ 124.612688][ T5964] [ 124.612692][ T5964] May be due to missing lock nesting notation [ 124.612692][ T5964] [ 124.612696][ T5964] 5 locks held by syz.0.17/5964: [ 124.612704][ T5964] #0: ffff88802f63e480 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x217/0xb40 [ 124.612742][ T5964] #1: ffff888039b78a40 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: generic_file_write_iter+0xec/0x550 [ 124.612806][ T5964] #2: ffff888039b78868 (&HFS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfs_extend_file+0xda/0x14c0 [ 124.612867][ T5964] #3: ffff88802f63c0a0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfs_find_init+0x18e/0x2c0 [ 124.612905][ T5964] #4: ffff8880319b8128 (&HFS_I(tree->inode)->extents_lock){+.+.}-{4:4}, at: hfs_extend_file+0xda/0x14c0 [ 124.612946][ T5964] [ 124.612946][ T5964] stack backtrace: [ 124.612960][ T5964] CPU: 1 UID: 0 PID: 5964 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 124.612977][ T5964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 124.612993][ T5964] Call Trace: [ 124.613001][ T5964] [ 124.613007][ T5964] dump_stack_lvl+0x189/0x250 [ 124.613027][ T5964] ? __pfx_dump_stack_lvl+0x10/0x10 [ 124.613051][ T5964] ? __pfx__printk+0x10/0x10 [ 124.613069][ T5964] ? print_lock_name+0xde/0x100 [ 124.613088][ T5964] print_deadlock_bug+0x28b/0x2a0 [ 124.613114][ T5964] validate_chain+0x1a3f/0x2140 [ 124.613136][ T5964] ? hfs_extend_file+0x31e/0x14c0 [ 124.613157][ T5964] ? __block_write_begin_int+0x6b5/0x1900 [ 124.613173][ T5964] ? hfs_write_begin+0x66/0xb0 [ 124.613194][ T5964] ? cont_write_begin+0x2fd/0xb50 [ 124.613209][ T5964] ? hfs_write_begin+0x66/0xb0 [ 124.613229][ T5964] ? generic_perform_write+0x29d/0x8c0 [ 124.613252][ T5964] ? generic_file_write_iter+0x118/0x550 [ 124.613274][ T5964] ? vfs_write+0x5d5/0xb40 [ 124.613290][ T5964] ? __x64_sys_pwrite64+0x196/0x220 [ 124.613307][ T5964] ? do_syscall_64+0xfa/0xfa0 [ 124.613323][ T5964] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.613342][ T5964] __lock_acquire+0xab9/0xd20 [ 124.613364][ T5964] ? hfs_find_init+0x18e/0x2c0 [ 124.613379][ T5964] lock_acquire+0x120/0x360 [ 124.613398][ T5964] ? hfs_find_init+0x18e/0x2c0 [ 124.613419][ T5964] ? hfs_find_init+0x18e/0x2c0 [ 124.613434][ T5964] mutex_lock_nested+0x5a/0x1d0 [ 124.613455][ T5964] ? hfs_find_init+0x18e/0x2c0 [ 124.613472][ T5964] hfs_find_init+0x18e/0x2c0 [ 124.613489][ T5964] hfs_extend_file+0x2f6/0x14c0 [ 124.613514][ T5964] ? __pfx_hfs_extend_file+0x10/0x10 [ 124.613537][ T5964] ? __lock_acquire+0xab9/0xd20 [ 124.613559][ T5964] ? __asan_memset+0x22/0x50 [ 124.613575][ T5964] ? hfs_brec_find+0x1a7/0x510 [ 124.613594][ T5964] hfs_bmap_reserve+0x107/0x430 [ 124.613618][ T5964] __hfs_ext_write_extent+0x1fa/0x470 [ 124.613642][ T5964] __hfs_ext_cache_extent+0x6b/0x9b0 [ 124.613664][ T5964] ? hfs_find_init+0x18e/0x2c0 [ 124.613681][ T5964] hfs_extend_file+0x31e/0x14c0 [ 124.613702][ T5964] ? __pfx_filemap_get_folios_tag+0x10/0x10 [ 124.613726][ T5964] ? __pfx_hfs_extend_file+0x10/0x10 [ 124.613750][ T5964] ? clean_bdev_aliases+0x5c9/0x6b0 [ 124.613767][ T5964] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 124.613784][ T5964] hfs_get_block+0x3d7/0xbd0 [ 124.613810][ T5964] ? __pfx_hfs_get_block+0x10/0x10 [ 124.613832][ T5964] ? rt_spin_unlock+0x161/0x200 [ 124.613857][ T5964] __block_write_begin_int+0x6b5/0x1900 [ 124.613879][ T5964] ? __pfx_hfs_get_block+0x10/0x10 [ 124.613902][ T5964] ? __pfx___block_write_begin_int+0x10/0x10 [ 124.613921][ T5964] cont_write_begin+0x789/0xb50 [ 124.613940][ T5964] ? __pfx_cont_write_begin+0x10/0x10 [ 124.613956][ T5964] ? rcu_is_watching+0x15/0xb0 [ 124.613979][ T5964] ? __mark_inode_dirty+0x3d2/0xe10 [ 124.613993][ T5964] ? folio_unlock+0x101/0x160 [ 124.614012][ T5964] hfs_write_begin+0x66/0xb0 [ 124.614033][ T5964] ? __pfx_hfs_get_block+0x10/0x10 [ 124.614064][ T5964] cont_write_begin+0x2fd/0xb50 [ 124.614084][ T5964] ? __pfx_cont_write_begin+0x10/0x10 [ 124.614105][ T5964] hfs_write_begin+0x66/0xb0 [ 124.614126][ T5964] ? __pfx_hfs_get_block+0x10/0x10 [ 124.614148][ T5964] generic_perform_write+0x29d/0x8c0 [ 124.614175][ T5964] ? __pfx_generic_perform_write+0x10/0x10 [ 124.614198][ T5964] ? file_update_time+0x2e0/0x490 [ 124.614213][ T5964] ? __generic_file_write_iter+0xfc/0x240 [ 124.614235][ T5964] ? generic_file_write_iter+0x104/0x550 [ 124.614259][ T5964] generic_file_write_iter+0x118/0x550 [ 124.614283][ T5964] ? __pfx_generic_file_write_iter+0x10/0x10 [ 124.614313][ T5964] ? __lock_acquire+0xab9/0xd20 [ 124.614336][ T5964] ? rcu_read_lock_any_held+0xb3/0x120 [ 124.614351][ T5964] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 124.614370][ T5964] vfs_write+0x5d5/0xb40 [ 124.614388][ T5964] ? __pfx_generic_file_write_iter+0x10/0x10 [ 124.614412][ T5964] ? __pfx_vfs_write+0x10/0x10 [ 124.614429][ T5964] ? __pfx_do_futex+0x10/0x10 [ 124.614453][ T5964] __x64_sys_pwrite64+0x196/0x220 [ 124.614472][ T5964] ? __pfx___x64_sys_pwrite64+0x10/0x10 [ 124.614492][ T5964] ? do_syscall_64+0xbe/0xfa0 [ 124.614509][ T5964] do_syscall_64+0xfa/0xfa0 [ 124.614524][ T5964] ? lockdep_hardirqs_on+0x9c/0x150 [ 124.614539][ T5964] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.614554][ T5964] ? clear_bhb_loop+0x60/0xb0 [ 124.614570][ T5964] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.614584][ T5964] RIP: 0033:0x7f36fd46eec9 [ 124.614600][ T5964] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 124.614612][ T5964] RSP: 002b:00007fff6986f9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 124.614627][ T5964] RAX: ffffffffffffffda RBX: 00007f36fd6c5fa0 RCX: 00007f36fd46eec9 [ 124.614638][ T5964] RDX: 0000000000000001 RSI: 0000200000000140 RDI: 0000000000000004 [ 124.614647][ T5964] RBP: 00007f36fd4f1f91 R08: 0000000000000000 R09: 0000000000000000 [ 124.614656][ T5964] R10: 0000000008080c61 R11: 0000000000000246 R12: 0000000000000000 [ 124.614666][ T5964] R13: 00007f36fd6c5fa0 R14: 00007f36fd6c5fa0 R15: 0000000000000004 [ 124.614682][ T5964] [ 124.614690][ T5964] ------------[ cut here ]------------ [ 124.614695][ T5964] rtmutex deadlock detected [ 124.614783][ T5964] WARNING: CPU: 1 PID: 5964 at kernel/locking/rtmutex.c:1674 rt_mutex_handle_deadlock+0x28/0xb0 [ 124.614812][ T5964] Modules linked in: [ 124.614822][ T5964] CPU: 1 UID: 0 PID: 5964 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 124.614838][ T5964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 124.614846][ T5964] RIP: 0010:rt_mutex_handle_deadlock+0x28/0xb0 [ 124.614869][ T5964] Code: 90 90 41 57 41 56 41 55 41 54 53 83 ff dd 0f 85 8c 00 00 00 48 89 f7 e8 a6 3c 01 00 90 48 c7 c7 e0 18 eb 8a e8 89 df ba f6 90 <0f> 0b 90 90 4c 8d 3d 00 00 00 00 65 48 8b 1c 25 08 50 c5 91 4c 8d [ 124.614881][ T5964] RSP: 0018:ffffc9000489ec10 EFLAGS: 00010246 [ 124.614892][ T5964] RAX: 0255694db20e9500 RBX: ffffc9000489eca0 RCX: ffff888030e13c00 [ 124.614904][ T5964] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 124.614912][ T5964] RBP: ffffc9000489eda8 R08: 0000000000000000 R09: 0000000000000000 [ 124.614922][ T5964] R10: dffffc0000000000 R11: ffffed101712487b R12: 1ffff92000913d90 [ 124.614933][ T5964] R13: ffffffff8ac7b0e9 R14: ffff88802f63c048 R15: dffffc0000000000 [ 124.614944][ T5964] FS: 000055555a8c0500(0000) GS:ffff888126ccb000(0000) knlGS:0000000000000000 [ 124.614957][ T5964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 124.614967][ T5964] CR2: 00007f05061afd30 CR3: 000000003dea4000 CR4: 00000000003526f0 [ 124.614980][ T5964] Call Trace: [ 124.614985][ T5964] [ 124.615003][ T5964] ? rt_mutex_slowlock+0x1c9/0x6e0 [ 124.615024][ T5964] rt_mutex_slowlock+0x692/0x6e0 [ 124.615050][ T5964] ? rt_mutex_slowlock+0x1c9/0x6e0 [ 124.615071][ T5964] ? __pfx_rt_mutex_slowlock+0x10/0x10 [ 124.615101][ T5964] ? hfs_find_init+0x18e/0x2c0 [ 124.615116][ T5964] mutex_lock_nested+0x16a/0x1d0 [ 124.615194][ T5964] hfs_find_init+0x18e/0x2c0 [ 124.615218][ T5964] hfs_extend_file+0x2f6/0x14c0 [ 124.615250][ T5964] ? __pfx_hfs_extend_file+0x10/0x10 [ 124.615280][ T5964] ? __lock_acquire+0xab9/0xd20 [ 124.615308][ T5964] ? __asan_memset+0x22/0x50 [ 124.615329][ T5964] ? hfs_brec_find+0x1a7/0x510 [ 124.615353][ T5964] hfs_bmap_reserve+0x107/0x430 [ 124.615384][ T5964] __hfs_ext_write_extent+0x1fa/0x470 [ 124.615432][ T5964] __hfs_ext_cache_extent+0x6b/0x9b0 [ 124.615461][ T5964] ? hfs_find_init+0x18e/0x2c0 [ 124.615482][ T5964] hfs_extend_file+0x31e/0x14c0 [ 124.615521][ T5964] ? __pfx_filemap_get_folios_tag+0x10/0x10 [ 124.615551][ T5964] ? __pfx_hfs_extend_file+0x10/0x10 [ 124.615582][ T5964] ? clean_bdev_aliases+0x5c9/0x6b0 [ 124.615606][ T5964] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 124.615630][ T5964] hfs_get_block+0x3d7/0xbd0 [ 124.615665][ T5964] ? __pfx_hfs_get_block+0x10/0x10 [ 124.615696][ T5964] ? rt_spin_unlock+0x161/0x200 [ 124.615731][ T5964] __block_write_begin_int+0x6b5/0x1900 [ 124.615761][ T5964] ? __pfx_hfs_get_block+0x10/0x10 [ 124.615791][ T5964] ? __pfx___block_write_begin_int+0x10/0x10 [ 124.615816][ T5964] cont_write_begin+0x789/0xb50 [ 124.615842][ T5964] ? __pfx_cont_write_begin+0x10/0x10 [ 124.615858][ T5964] ? rcu_is_watching+0x15/0xb0 [ 124.615880][ T5964] ? __mark_inode_dirty+0x3d2/0xe10 [ 124.615893][ T5964] ? folio_unlock+0x101/0x160 [ 124.615912][ T5964] hfs_write_begin+0x66/0xb0 [ 124.615932][ T5964] ? __pfx_hfs_get_block+0x10/0x10 [ 124.615954][ T5964] cont_write_begin+0x2fd/0xb50 [ 124.615973][ T5964] ? __pfx_cont_write_begin+0x10/0x10 [ 124.615992][ T5964] hfs_write_begin+0x66/0xb0 [ 124.616012][ T5964] ? __pfx_hfs_get_block+0x10/0x10 [ 124.616034][ T5964] generic_perform_write+0x29d/0x8c0 [ 124.616067][ T5964] ? __pfx_generic_perform_write+0x10/0x10 [ 124.616108][ T5964] ? file_update_time+0x2e0/0x490 [ 124.616123][ T5964] ? __generic_file_write_iter+0xfc/0x240 [ 124.616145][ T5964] ? generic_file_write_iter+0x104/0x550 [ 124.616169][ T5964] generic_file_write_iter+0x118/0x550 [ 124.616193][ T5964] ? __pfx_generic_file_write_iter+0x10/0x10 [ 124.616223][ T5964] ? __lock_acquire+0xab9/0xd20 [ 124.616246][ T5964] ? rcu_read_lock_any_held+0xb3/0x120 [ 124.616261][ T5964] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 124.616280][ T5964] vfs_write+0x5d5/0xb40 [ 124.616299][ T5964] ? __pfx_generic_file_write_iter+0x10/0x10 [ 124.616323][ T5964] ? __pfx_vfs_write+0x10/0x10 [ 124.616340][ T5964] ? __pfx_do_futex+0x10/0x10 [ 124.616363][ T5964] __x64_sys_pwrite64+0x196/0x220 [ 124.616383][ T5964] ? __pfx___x64_sys_pwrite64+0x10/0x10 [ 124.616403][ T5964] ? do_syscall_64+0xbe/0xfa0 [ 124.616420][ T5964] do_syscall_64+0xfa/0xfa0 [ 124.616436][ T5964] ? lockdep_hardirqs_on+0x9c/0x150 [ 124.616451][ T5964] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.616466][ T5964] ? clear_bhb_loop+0x60/0xb0 [ 124.616482][ T5964] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.616496][ T5964] RIP: 0033:0x7f36fd46eec9 [ 124.616508][ T5964] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 124.616520][ T5964] RSP: 002b:00007fff6986f9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 124.616536][ T5964] RAX: ffffffffffffffda RBX: 00007f36fd6c5fa0 RCX: 00007f36fd46eec9 [ 124.616547][ T5964] RDX: 0000000000000001 RSI: 0000200000000140 RDI: 0000000000000004 [ 124.616556][ T5964] RBP: 00007f36fd4f1f91 R08: 0000000000000000 R09: 0000000000000000 [ 124.616565][ T5964] R10: 0000000008080c61 R11: 0000000000000246 R12: 0000000000000000 [ 124.616574][ T5964] R13: 00007f36fd6c5fa0 R14: 00007f36fd6c5fa0 R15: 0000000000000004 [ 124.616591][ T5964] [ 124.616598][ T5964] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 124.616609][ T5964] CPU: 1 UID: 0 PID: 5964 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 124.616626][ T5964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 124.616635][ T5964] Call Trace: [ 124.616640][ T5964] [ 124.616646][ T5964] dump_stack_lvl+0x99/0x250 [ 124.616663][ T5964] ? __asan_memcpy+0x40/0x70 [ 124.616679][ T5964] ? __pfx_dump_stack_lvl+0x10/0x10 [ 124.616697][ T5964] ? __pfx__printk+0x10/0x10 [ 124.616718][ T5964] vpanic+0x237/0x6d0 [ 124.616732][ T5964] ? __pfx_vpanic+0x10/0x10 [ 124.616749][ T5964] panic+0xb9/0xc0 [ 124.616762][ T5964] ? __pfx_panic+0x10/0x10 [ 124.616781][ T5964] __warn+0x31b/0x4b0 [ 124.616796][ T5964] ? rt_mutex_handle_deadlock+0x28/0xb0 [ 124.616819][ T5964] ? rt_mutex_handle_deadlock+0x28/0xb0 [ 124.616841][ T5964] report_bug+0x2be/0x4f0 [ 124.616856][ T5964] ? rt_mutex_handle_deadlock+0x28/0xb0 [ 124.616878][ T5964] ? rt_mutex_handle_deadlock+0x28/0xb0 [ 124.616900][ T5964] ? rt_mutex_handle_deadlock+0x2a/0xb0 [ 124.616922][ T5964] handle_bug+0x84/0x160 [ 124.616941][ T5964] exc_invalid_op+0x1a/0x50 [ 124.616959][ T5964] asm_exc_invalid_op+0x1a/0x20 [ 124.616973][ T5964] RIP: 0010:rt_mutex_handle_deadlock+0x28/0xb0 [ 124.616996][ T5964] Code: 90 90 41 57 41 56 41 55 41 54 53 83 ff dd 0f 85 8c 00 00 00 48 89 f7 e8 a6 3c 01 00 90 48 c7 c7 e0 18 eb 8a e8 89 df ba f6 90 <0f> 0b 90 90 4c 8d 3d 00 00 00 00 65 48 8b 1c 25 08 50 c5 91 4c 8d [ 124.617008][ T5964] RSP: 0018:ffffc9000489ec10 EFLAGS: 00010246 [ 124.617021][ T5964] RAX: 0255694db20e9500 RBX: ffffc9000489eca0 RCX: ffff888030e13c00 [ 124.617032][ T5964] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 124.617047][ T5964] RBP: ffffc9000489eda8 R08: 0000000000000000 R09: 0000000000000000 [ 124.617056][ T5964] R10: dffffc0000000000 R11: ffffed101712487b R12: 1ffff92000913d90 [ 124.617067][ T5964] R13: ffffffff8ac7b0e9 R14: ffff88802f63c048 R15: dffffc0000000000 [ 124.617079][ T5964] ? rt_mutex_slowlock+0x1c9/0x6e0 [ 124.617106][ T5964] ? rt_mutex_slowlock+0x1c9/0x6e0 [ 124.617128][ T5964] rt_mutex_slowlock+0x692/0x6e0 [ 124.617150][ T5964] ? rt_mutex_slowlock+0x1c9/0x6e0 [ 124.617172][ T5964] ? __pfx_rt_mutex_slowlock+0x10/0x10 [ 124.617202][ T5964] ? hfs_find_init+0x18e/0x2c0 [ 124.617218][ T5964] mutex_lock_nested+0x16a/0x1d0 [ 124.617241][ T5964] hfs_find_init+0x18e/0x2c0 [ 124.617259][ T5964] hfs_extend_file+0x2f6/0x14c0 [ 124.617284][ T5964] ? __pfx_hfs_extend_file+0x10/0x10 [ 124.617307][ T5964] ? __lock_acquire+0xab9/0xd20 [ 124.617330][ T5964] ? __asan_memset+0x22/0x50 [ 124.617351][ T5964] ? hfs_brec_find+0x1a7/0x510 [ 124.617377][ T5964] hfs_bmap_reserve+0x107/0x430 [ 124.617409][ T5964] __hfs_ext_write_extent+0x1fa/0x470 [ 124.617440][ T5964] __hfs_ext_cache_extent+0x6b/0x9b0 [ 124.617472][ T5964] ? hfs_find_init+0x18e/0x2c0 [ 124.617489][ T5964] hfs_extend_file+0x31e/0x14c0 [ 124.617511][ T5964] ? __pfx_filemap_get_folios_tag+0x10/0x10 [ 124.617534][ T5964] ? __pfx_hfs_extend_file+0x10/0x10 [ 124.617558][ T5964] ? clean_bdev_aliases+0x5c9/0x6b0 [ 124.617576][ T5964] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 124.617594][ T5964] hfs_get_block+0x3d7/0xbd0 [ 124.617619][ T5964] ? __pfx_hfs_get_block+0x10/0x10 [ 124.617641][ T5964] ? rt_spin_unlock+0x161/0x200 [ 124.617667][ T5964] __block_write_begin_int+0x6b5/0x1900 [ 124.617688][ T5964] ? __pfx_hfs_get_block+0x10/0x10 [ 124.617711][ T5964] ? __pfx___block_write_begin_int+0x10/0x10 [ 124.617731][ T5964] cont_write_begin+0x789/0xb50 [ 124.617750][ T5964] ? __pfx_cont_write_begin+0x10/0x10 [ 124.617766][ T5964] ? rcu_is_watching+0x15/0xb0 [ 124.617791][ T5964] ? __mark_inode_dirty+0x3d2/0xe10 [ 124.617804][ T5964] ? folio_unlock+0x101/0x160 [ 124.617824][ T5964] hfs_write_begin+0x66/0xb0 [ 124.617846][ T5964] ? __pfx_hfs_get_block+0x10/0x10 [ 124.617868][ T5964] cont_write_begin+0x2fd/0xb50 [ 124.617888][ T5964] ? __pfx_cont_write_begin+0x10/0x10 [ 124.617908][ T5964] hfs_write_begin+0x66/0xb0 [ 124.617929][ T5964] ? __pfx_hfs_get_block+0x10/0x10 [ 124.617952][ T5964] generic_perform_write+0x29d/0x8c0 [ 124.617979][ T5964] ? __pfx_generic_perform_write+0x10/0x10 [ 124.618002][ T5964] ? file_update_time+0x2e0/0x490 [ 124.618017][ T5964] ? __generic_file_write_iter+0xfc/0x240 [ 124.618059][ T5964] ? generic_file_write_iter+0x104/0x550 [ 124.618082][ T5964] generic_file_write_iter+0x118/0x550 [ 124.618105][ T5964] ? __pfx_generic_file_write_iter+0x10/0x10 [ 124.618134][ T5964] ? __lock_acquire+0xab9/0xd20 [ 124.618157][ T5964] ? rcu_read_lock_any_held+0xb3/0x120 [ 124.618171][ T5964] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 124.618190][ T5964] vfs_write+0x5d5/0xb40 [ 124.618207][ T5964] ? __pfx_generic_file_write_iter+0x10/0x10 [ 124.618230][ T5964] ? __pfx_vfs_write+0x10/0x10 [ 124.618247][ T5964] ? __pfx_do_futex+0x10/0x10 [ 124.618269][ T5964] __x64_sys_pwrite64+0x196/0x220 [ 124.618288][ T5964] ? __pfx___x64_sys_pwrite64+0x10/0x10 [ 124.618308][ T5964] ? do_syscall_64+0xbe/0xfa0 [ 124.618324][ T5964] do_syscall_64+0xfa/0xfa0 [ 124.618339][ T5964] ? lockdep_hardirqs_on+0x9c/0x150 [ 124.618354][ T5964] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.618368][ T5964] ? clear_bhb_loop+0x60/0xb0 [ 124.618384][ T5964] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.618398][ T5964] RIP: 0033:0x7f36fd46eec9 [ 124.618409][ T5964] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 124.618420][ T5964] RSP: 002b:00007fff6986f9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 124.618434][ T5964] RAX: ffffffffffffffda RBX: 00007f36fd6c5fa0 RCX: 00007f36fd46eec9 [ 124.618445][ T5964] RDX: 0000000000000001 RSI: 0000200000000140 RDI: 0000000000000004 [ 124.618454][ T5964] RBP: 00007f36fd4f1f91 R08: 0000000000000000 R09: 0000000000000000 [ 124.618463][ T5964] R10: 0000000008080c61 R11: 0000000000000246 R12: 0000000000000000 [ 124.618472][ T5964] R13: 00007f36fd6c5fa0 R14: 00007f36fd6c5fa0 R15: 0000000000000004 [ 124.618487][ T5964] [ 124.618868][ T5964] Kernel Offset: disabled