[ 132.909293][ T1322] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.909386][ T1322] ieee802154 phy1 wpan1: encryption failed: -22 Warning: Permanently added '10.128.1.170' (ED25519) to the list of known hosts. 2025/09/07 19:40:16 parsed 1 programs [ 141.729400][ T6272] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 146.067016][ T5160] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 146.069225][ T5160] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 146.069917][ T5160] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 146.071347][ T5160] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 146.083600][ T5160] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 146.752067][ T1415] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 146.752084][ T1415] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 146.787673][ T43] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 146.787692][ T43] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 150.459034][ T6346] chnl_net:caif_netlink_parms(): no params data found [ 150.764857][ T6346] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.764993][ T6346] bridge0: port 1(bridge_slave_0) entered disabled state [ 150.765112][ T6346] bridge_slave_0: entered allmulticast mode [ 150.766700][ T6346] bridge_slave_0: entered promiscuous mode [ 150.769898][ T6346] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.770017][ T6346] bridge0: port 2(bridge_slave_1) entered disabled state [ 150.770116][ T6346] bridge_slave_1: entered allmulticast mode [ 150.772237][ T6346] bridge_slave_1: entered promiscuous mode [ 151.085748][ T6346] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 151.088256][ T6346] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 151.257796][ T6346] team0: Port device team_slave_0 added [ 151.259893][ T6346] team0: Port device team_slave_1 added [ 151.472784][ T6346] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 151.472800][ T6346] 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. [ 151.472826][ T6346] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 151.475502][ T6346] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 151.475515][ T6346] 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. [ 151.475538][ T6346] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 151.929723][ T6346] hsr_slave_0: entered promiscuous mode [ 151.930465][ T6346] hsr_slave_1: entered promiscuous mode [ 153.554866][ T6346] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 153.598688][ T6346] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 153.629114][ T6346] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 153.658580][ T6346] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 153.867192][ T6346] 8021q: adding VLAN 0 to HW filter on device bond0 [ 153.895283][ T6346] 8021q: adding VLAN 0 to HW filter on device team0 [ 153.904478][ T1415] bridge0: port 1(bridge_slave_0) entered blocking state [ 153.904618][ T1415] bridge0: port 1(bridge_slave_0) entered forwarding state [ 153.931117][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 153.931373][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 154.306230][ T6346] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 154.386393][ T6346] veth0_vlan: entered promiscuous mode [ 154.401482][ T6346] veth1_vlan: entered promiscuous mode [ 154.455612][ T6346] veth0_macvtap: entered promiscuous mode [ 154.462933][ T6346] veth1_macvtap: entered promiscuous mode [ 154.491047][ T6346] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 154.515766][ T6346] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 154.529175][ T43] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 154.530430][ T43] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 154.530470][ T43] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 154.530503][ T43] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 155.259621][ T43] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 155.555640][ T43] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 155.985043][ T43] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/09/07 19:40:35 executed programs: 0 [ 156.429118][ T59] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 156.431361][ T59] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 156.436242][ T59] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 156.437601][ T59] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 156.438335][ T59] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 156.779988][ T43] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 157.033171][ T6467] chnl_net:caif_netlink_parms(): no params data found [ 157.481229][ T6467] bridge0: port 1(bridge_slave_0) entered blocking state [ 157.481381][ T6467] bridge0: port 1(bridge_slave_0) entered disabled state [ 157.496190][ T6467] bridge_slave_0: entered allmulticast mode [ 157.498999][ T6467] bridge_slave_0: entered promiscuous mode [ 157.519222][ T6467] bridge0: port 2(bridge_slave_1) entered blocking state [ 157.519409][ T6467] bridge0: port 2(bridge_slave_1) entered disabled state [ 157.519621][ T6467] bridge_slave_1: entered allmulticast mode [ 157.543345][ T6467] bridge_slave_1: entered promiscuous mode [ 157.800655][ T6467] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 157.810296][ T6467] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 158.059021][ T6467] team0: Port device team_slave_0 added [ 158.077917][ T6467] team0: Port device team_slave_1 added [ 158.383853][ T43] bridge_slave_1: left allmulticast mode [ 158.383887][ T43] bridge_slave_1: left promiscuous mode [ 158.384132][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 158.473302][ T43] bridge_slave_0: left allmulticast mode [ 158.473335][ T43] bridge_slave_0: left promiscuous mode [ 158.473622][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 158.501703][ T5160] Bluetooth: hci0: command tx timeout [ 160.252539][ T43] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 160.332539][ T43] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 160.361197][ T43] bond0 (unregistering): Released all slaves [ 160.412984][ T6467] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 160.413000][ T6467] 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. [ 160.413025][ T6467] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 160.420680][ T6467] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 160.420694][ T6467] 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. [ 160.420709][ T6467] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 160.591804][ T5160] Bluetooth: hci0: command tx timeout [ 160.771757][ T43] hsr_slave_0: left promiscuous mode [ 160.791763][ T43] hsr_slave_1: left promiscuous mode [ 160.792400][ T43] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 160.792419][ T43] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 160.844223][ T43] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 160.844255][ T43] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 160.917617][ T43] veth1_macvtap: left promiscuous mode [ 160.918526][ T43] veth0_macvtap: left promiscuous mode [ 160.918690][ T43] veth1_vlan: left promiscuous mode [ 160.918801][ T43] veth0_vlan: left promiscuous mode [ 162.671813][ T5160] Bluetooth: hci0: command tx timeout [ 162.942495][ T43] team0 (unregistering): Port device team_slave_1 removed [ 163.115003][ T43] team0 (unregistering): Port device team_slave_0 removed [ 164.741697][ T5160] Bluetooth: hci0: command tx timeout [ 164.899887][ T6467] hsr_slave_0: entered promiscuous mode [ 164.900683][ T6467] hsr_slave_1: entered promiscuous mode [ 166.702742][ T6467] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 166.729950][ T6467] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 166.769836][ T6467] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 166.808097][ T6467] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 166.980621][ T6467] 8021q: adding VLAN 0 to HW filter on device bond0 [ 167.011514][ T6467] 8021q: adding VLAN 0 to HW filter on device team0 [ 167.033474][ T1415] bridge0: port 1(bridge_slave_0) entered blocking state [ 167.034020][ T1415] bridge0: port 1(bridge_slave_0) entered forwarding state [ 167.036776][ T1415] bridge0: port 2(bridge_slave_1) entered blocking state [ 167.036927][ T1415] bridge0: port 2(bridge_slave_1) entered forwarding state [ 167.307645][ T6467] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 167.355839][ T6467] veth0_vlan: entered promiscuous mode [ 167.362328][ T6467] veth1_vlan: entered promiscuous mode [ 167.391382][ T6467] veth0_macvtap: entered promiscuous mode [ 167.400793][ T6467] veth1_macvtap: entered promiscuous mode [ 167.419758][ T6467] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 167.432670][ T6467] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 167.440395][ T43] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 167.440643][ T43] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 167.440695][ T43] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 167.440728][ T43] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 167.629367][ T1415] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 167.629387][ T1415] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 167.689091][ T3614] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 167.689112][ T3614] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/09/07 19:40:47 executed programs: 2 [ 167.802489][ T6618] loop0: detected capacity change from 0 to 64 [ 167.804760][ T6618] ======================================================= [ 167.804760][ T6618] WARNING: The mand mount option has been deprecated and [ 167.804760][ T6618] and is ignored by this kernel. Remove the mand [ 167.804760][ T6618] option from the mount to silence this warning. [ 167.804760][ T6618] ======================================================= [ 168.929876][ T6618] [ 168.929884][ T6618] ============================================ [ 168.929888][ T6618] WARNING: possible recursive locking detected [ 168.929900][ T6618] syzkaller #0 Not tainted [ 168.929905][ T6618] -------------------------------------------- [ 168.929909][ T6618] syz.0.17/6618 is trying to acquire lock: [ 168.929915][ T6618] ffff8880398a80a0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfs_find_init+0x184/0x200 [ 168.929955][ T6618] [ 168.929955][ T6618] but task is already holding lock: [ 168.929958][ T6618] ffff8880398a80a0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfs_find_init+0x184/0x200 [ 168.929981][ T6618] [ 168.929981][ T6618] other info that might help us debug this: [ 168.929984][ T6618] Possible unsafe locking scenario: [ 168.929984][ T6618] [ 168.929987][ T6618] CPU0 [ 168.929989][ T6618] ---- [ 168.929991][ T6618] lock(&tree->tree_lock/1); [ 168.930000][ T6618] lock(&tree->tree_lock/1); [ 168.930008][ T6618] [ 168.930008][ T6618] *** DEADLOCK *** [ 168.930008][ T6618] [ 168.930010][ T6618] May be due to missing lock nesting notation [ 168.930010][ T6618] [ 168.930013][ T6618] 5 locks held by syz.0.17/6618: [ 168.930019][ T6618] #0: ffff888033278488 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 168.930047][ T6618] #1: ffff8880325e18c0 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: do_truncate+0x171/0x220 [ 168.930074][ T6618] #2: ffff8880325e16e8 (&HFS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfs_extend_file+0xda/0x1230 [ 168.930100][ T6618] #3: ffff8880398a80a0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfs_find_init+0x184/0x200 [ 168.930124][ T6618] #4: ffff8880325e0128 (&HFS_I(tree->inode)->extents_lock){+.+.}-{4:4}, at: hfs_extend_file+0xda/0x1230 [ 168.930148][ T6618] [ 168.930148][ T6618] stack backtrace: [ 168.930164][ T6618] CPU: 1 UID: 0 PID: 6618 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 168.930176][ T6618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 168.930187][ T6618] Call Trace: [ 168.930191][ T6618] [ 168.930195][ T6618] dump_stack_lvl+0x189/0x250 [ 168.930211][ T6618] ? __pfx_dump_stack_lvl+0x10/0x10 [ 168.930224][ T6618] ? __pfx__printk+0x10/0x10 [ 168.930235][ T6618] ? print_lock_name+0xde/0x100 [ 168.930245][ T6618] print_deadlock_bug+0x28b/0x2a0 [ 168.930260][ T6618] validate_chain+0x1a3f/0x2140 [ 168.930274][ T6618] ? __hfs_ext_write_extent+0x1fa/0x470 [ 168.930286][ T6618] ? hfs_extend_file+0x316/0x1230 [ 168.930298][ T6618] ? __block_write_begin_int+0x6b5/0x1900 [ 168.930308][ T6618] ? cont_write_begin+0x789/0xb50 [ 168.930317][ T6618] ? hfs_write_begin+0x66/0xb0 [ 168.930329][ T6618] ? cont_write_begin+0x2fd/0xb50 [ 168.930338][ T6618] ? hfs_write_begin+0x66/0xb0 [ 168.930350][ T6618] ? hfs_file_truncate+0x190/0x9c0 [ 168.930362][ T6618] ? hfs_inode_setattr+0x4a9/0x670 [ 168.930374][ T6618] ? notify_change+0xb31/0xe60 [ 168.930389][ T6618] ? do_truncate+0x1a4/0x220 [ 168.930405][ T6618] ? vfs_truncate+0x493/0x520 [ 168.930420][ T6618] ? do_sys_truncate+0xdb/0x190 [ 168.930436][ T6618] ? __x64_sys_truncate+0x5b/0x70 [ 168.930452][ T6618] ? do_syscall_64+0xfa/0x3b0 [ 168.930465][ T6618] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 168.930482][ T6618] __lock_acquire+0xab9/0xd20 [ 168.930501][ T6618] ? hfs_find_init+0x184/0x200 [ 168.930514][ T6618] lock_acquire+0x120/0x360 [ 168.930525][ T6618] ? hfs_find_init+0x184/0x200 [ 168.930536][ T6618] ? hfs_find_init+0xaa/0x200 [ 168.930545][ T6618] ? hfs_find_init+0x184/0x200 [ 168.930554][ T6618] mutex_lock_nested+0x5a/0x1d0 [ 168.930565][ T6618] ? hfs_find_init+0x184/0x200 [ 168.930574][ T6618] ? hfs_find_init+0xaa/0x200 [ 168.930583][ T6618] hfs_find_init+0x184/0x200 [ 168.930593][ T6618] hfs_extend_file+0x2ee/0x1230 [ 168.930605][ T6618] ? hfs_ext_keycmp+0x1c7/0x320 [ 168.930617][ T6618] ? __pfx_hfs_ext_keycmp+0x10/0x10 [ 168.930636][ T6618] ? __pfx_hfs_extend_file+0x10/0x10 [ 168.930649][ T6618] ? __pfx___hfs_brec_find+0x10/0x10 [ 168.930661][ T6618] ? hfs_brec_find+0x3c8/0x500 [ 168.930671][ T6618] hfs_bmap_reserve+0x107/0x430 [ 168.930685][ T6618] __hfs_ext_write_extent+0x1fa/0x470 [ 168.930699][ T6618] __hfs_ext_cache_extent+0x6b/0x9b0 [ 168.930711][ T6618] ? hfs_find_init+0x184/0x200 [ 168.930721][ T6618] hfs_extend_file+0x316/0x1230 [ 168.930734][ T6618] ? __pfx_filemap_get_folios_tag+0x10/0x10 [ 168.930744][ T6618] ? __pfx_hfs_extend_file+0x10/0x10 [ 168.930759][ T6618] ? clean_bdev_aliases+0x5c9/0x6b0 [ 168.930771][ T6618] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 168.930782][ T6618] hfs_get_block+0x3d7/0xbd0 [ 168.930796][ T6618] ? __pfx_hfs_get_block+0x10/0x10 [ 168.930808][ T6618] ? rt_spin_unlock+0x65/0x80 [ 168.930821][ T6618] __block_write_begin_int+0x6b5/0x1900 [ 168.930834][ T6618] ? __pfx_hfs_get_block+0x10/0x10 [ 168.930847][ T6618] ? __pfx___block_write_begin_int+0x10/0x10 [ 168.930857][ T6618] ? reacquire_held_locks+0x127/0x1d0 [ 168.930874][ T6618] cont_write_begin+0x789/0xb50 [ 168.930886][ T6618] ? __pfx_cont_write_begin+0x10/0x10 [ 168.930896][ T6618] ? folio_unlock+0x101/0x160 [ 168.930910][ T6618] hfs_write_begin+0x66/0xb0 [ 168.930922][ T6618] ? __pfx_hfs_get_block+0x10/0x10 [ 168.930934][ T6618] cont_write_begin+0x2fd/0xb50 [ 168.930946][ T6618] ? __pfx_cont_write_begin+0x10/0x10 [ 168.930956][ T6618] ? __lock_acquire+0xab9/0xd20 [ 168.930969][ T6618] hfs_write_begin+0x66/0xb0 [ 168.930984][ T6618] ? __pfx_hfs_get_block+0x10/0x10 [ 168.931003][ T6618] hfs_file_truncate+0x190/0x9c0 [ 168.931026][ T6618] ? __pfx_hfs_file_truncate+0x10/0x10 [ 168.931047][ T6618] ? unmap_mapping_range+0xde/0x170 [ 168.931074][ T6618] ? __pfx_unmap_mapping_range+0x10/0x10 [ 168.931091][ T6618] ? pagecache_isize_extended+0x11a/0x4f0 [ 168.931111][ T6618] ? truncate_setsize+0xcf/0xf0 [ 168.931128][ T6618] hfs_inode_setattr+0x4a9/0x670 [ 168.931148][ T6618] ? try_break_deleg+0x7c/0x130 [ 168.931159][ T6618] ? __pfx_hfs_inode_setattr+0x10/0x10 [ 168.931172][ T6618] notify_change+0xb31/0xe60 [ 168.931185][ T6618] do_truncate+0x1a4/0x220 [ 168.931196][ T6618] ? __pfx_do_truncate+0x10/0x10 [ 168.931212][ T6618] ? mnt_get_write_access+0x2bb/0x340 [ 168.931223][ T6618] vfs_truncate+0x493/0x520 [ 168.931234][ T6618] ? lockdep_hardirqs_on+0x9c/0x150 [ 168.931249][ T6618] ? __pfx_vfs_truncate+0x10/0x10 [ 168.931262][ T6618] do_sys_truncate+0xdb/0x190 [ 168.931273][ T6618] ? __pfx_do_sys_truncate+0x10/0x10 [ 168.931284][ T6618] ? rcu_is_watching+0x15/0xb0 [ 168.931300][ T6618] __x64_sys_truncate+0x5b/0x70 [ 168.931312][ T6618] do_syscall_64+0xfa/0x3b0 [ 168.931320][ T6618] ? lockdep_hardirqs_on+0x9c/0x150 [ 168.931332][ T6618] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 168.931342][ T6618] ? clear_bhb_loop+0x60/0xb0 [ 168.931352][ T6618] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 168.931364][ T6618] RIP: 0033:0x7fc4e8deebe9 [ 168.931380][ T6618] 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 [ 168.931388][ T6618] RSP: 002b:00007fc4e8456038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 168.931399][ T6618] RAX: ffffffffffffffda RBX: 00007fc4e9015fa0 RCX: 00007fc4e8deebe9 [ 168.931406][ T6618] RDX: 0000000000000000 RSI: 0000000001001bfc RDI: 0000200000000040 [ 168.931413][ T6618] RBP: 00007fc4e8e71e19 R08: 0000000000000000 R09: 0000000000000000 [ 168.931419][ T6618] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 168.931425][ T6618] R13: 00007fc4e9016038 R14: 00007fc4e9015fa0 R15: 00007ffc478919b8 [ 168.931435][ T6618] [ 168.931444][ T6618] ------------[ cut here ]------------ [ 168.931448][ T6618] rtmutex deadlock detected [ 168.931505][ T6618] WARNING: CPU: 1 PID: 6618 at kernel/locking/rtmutex.c:1674 rt_mutex_handle_deadlock+0x28/0xb0 [ 168.931521][ T6618] Modules linked in: [ 168.931529][ T6618] CPU: 1 UID: 0 PID: 6618 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 168.931593][ T6618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 168.931604][ T6618] RIP: 0010:rt_mutex_handle_deadlock+0x28/0xb0 [ 168.931624][ T6618] 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 c6 2c 01 00 90 48 c7 c7 00 09 0b 8b e8 09 28 8a f6 90 <0f> 0b 90 90 4c 8d 3d 00 00 00 00 65 48 8b 1c 25 08 10 f6 91 4c 8d [ 168.931645][ T6618] RSP: 0018:ffffc90003f16c90 EFLAGS: 00010246 [ 168.931658][ T6618] RAX: a2f35d0fe9388100 RBX: ffffc90003f16d20 RCX: ffff8880254a5940 [ 168.931670][ T6618] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 168.931680][ T6618] RBP: ffffc90003f16e28 R08: 0000000000000000 R09: 0000000000000000 [ 168.931690][ T6618] R10: dffffc0000000000 R11: ffffed1017124863 R12: 1ffff920007e2da0 [ 168.931703][ T6618] R13: ffffffff8af901b9 R14: ffff8880398a8048 R15: dffffc0000000000 [ 168.931716][ T6618] FS: 00007fc4e84566c0(0000) GS:ffff8881269bf000(0000) knlGS:0000000000000000 [ 168.931731][ T6618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 168.931742][ T6618] CR2: 00007fc4e8dd2020 CR3: 000000003a698000 CR4: 00000000003526f0 [ 168.931756][ T6618] Call Trace: [ 168.931762][ T6618] [ 168.931768][ T6618] ? rt_mutex_slowlock+0x1c9/0x6e0 [ 168.931786][ T6618] rt_mutex_slowlock+0x692/0x6e0 [ 168.931804][ T6618] ? rt_mutex_slowlock+0x1c9/0x6e0 [ 168.931820][ T6618] ? __pfx_rt_mutex_slowlock+0x10/0x10 [ 168.931845][ T6618] ? hfs_find_init+0xaa/0x200 [ 168.931863][ T6618] ? hfs_find_init+0x184/0x200 [ 168.931878][ T6618] mutex_lock_nested+0x16a/0x1d0 [ 168.931896][ T6618] ? hfs_find_init+0xaa/0x200 [ 168.931914][ T6618] hfs_find_init+0x184/0x200 [ 168.931930][ T6618] hfs_extend_file+0x2ee/0x1230 [ 168.931953][ T6618] ? hfs_ext_keycmp+0x1c7/0x320 [ 168.931974][ T6618] ? __pfx_hfs_ext_keycmp+0x10/0x10 [ 168.931997][ T6618] ? __pfx_hfs_extend_file+0x10/0x10 [ 168.932022][ T6618] ? __pfx___hfs_brec_find+0x10/0x10 [ 168.932044][ T6618] ? hfs_brec_find+0x3c8/0x500 [ 168.932065][ T6618] hfs_bmap_reserve+0x107/0x430 [ 168.932092][ T6618] __hfs_ext_write_extent+0x1fa/0x470 [ 168.932117][ T6618] __hfs_ext_cache_extent+0x6b/0x9b0 [ 168.932142][ T6618] ? hfs_find_init+0x184/0x200 [ 168.932161][ T6618] hfs_extend_file+0x316/0x1230 [ 168.932184][ T6618] ? __pfx_filemap_get_folios_tag+0x10/0x10 [ 168.932203][ T6618] ? __pfx_hfs_extend_file+0x10/0x10 [ 168.932229][ T6618] ? clean_bdev_aliases+0x5c9/0x6b0 [ 168.932269][ T6618] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 168.932290][ T6618] hfs_get_block+0x3d7/0xbd0 [ 168.932317][ T6618] ? __pfx_hfs_get_block+0x10/0x10 [ 168.932340][ T6618] ? rt_spin_unlock+0x65/0x80 [ 168.932365][ T6618] __block_write_begin_int+0x6b5/0x1900 [ 168.932389][ T6618] ? __pfx_hfs_get_block+0x10/0x10 [ 168.932412][ T6618] ? __pfx___block_write_begin_int+0x10/0x10 [ 168.932432][ T6618] ? reacquire_held_locks+0x127/0x1d0 [ 168.932461][ T6618] cont_write_begin+0x789/0xb50 [ 168.932484][ T6618] ? __pfx_cont_write_begin+0x10/0x10 [ 168.932505][ T6618] ? folio_unlock+0x101/0x160 [ 168.932530][ T6618] hfs_write_begin+0x66/0xb0 [ 168.932552][ T6618] ? __pfx_hfs_get_block+0x10/0x10 [ 168.932576][ T6618] cont_write_begin+0x2fd/0xb50 [ 168.932599][ T6618] ? __pfx_cont_write_begin+0x10/0x10 [ 168.932617][ T6618] ? __lock_acquire+0xab9/0xd20 [ 168.932649][ T6618] hfs_write_begin+0x66/0xb0 [ 168.932671][ T6618] ? __pfx_hfs_get_block+0x10/0x10 [ 168.932695][ T6618] hfs_file_truncate+0x190/0x9c0 [ 168.932724][ T6618] ? __pfx_hfs_file_truncate+0x10/0x10 [ 168.932749][ T6618] ? unmap_mapping_range+0xde/0x170 [ 168.932773][ T6618] ? __pfx_unmap_mapping_range+0x10/0x10 [ 168.932794][ T6618] ? pagecache_isize_extended+0x11a/0x4f0 [ 168.932815][ T6618] ? truncate_setsize+0xcf/0xf0 [ 168.932834][ T6618] hfs_inode_setattr+0x4a9/0x670 [ 168.932848][ T6618] ? try_break_deleg+0x7c/0x130 [ 168.932859][ T6618] ? __pfx_hfs_inode_setattr+0x10/0x10 [ 168.932872][ T6618] notify_change+0xb31/0xe60 [ 168.932885][ T6618] do_truncate+0x1a4/0x220 [ 168.932897][ T6618] ? __pfx_do_truncate+0x10/0x10 [ 168.932909][ T6618] ? mnt_get_write_access+0x2bb/0x340 [ 168.932921][ T6618] vfs_truncate+0x493/0x520 [ 168.932932][ T6618] ? lockdep_hardirqs_on+0x9c/0x150 [ 168.932946][ T6618] ? __pfx_vfs_truncate+0x10/0x10 [ 168.932959][ T6618] do_sys_truncate+0xdb/0x190 [ 168.932970][ T6618] ? __pfx_do_sys_truncate+0x10/0x10 [ 168.932981][ T6618] ? rcu_is_watching+0x15/0xb0 [ 168.932997][ T6618] __x64_sys_truncate+0x5b/0x70 [ 168.933009][ T6618] do_syscall_64+0xfa/0x3b0 [ 168.933017][ T6618] ? lockdep_hardirqs_on+0x9c/0x150 [ 168.933030][ T6618] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 168.933039][ T6618] ? clear_bhb_loop+0x60/0xb0 [ 168.933049][ T6618] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 168.933059][ T6618] RIP: 0033:0x7fc4e8deebe9 [ 168.933068][ T6618] 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 [ 168.933076][ T6618] RSP: 002b:00007fc4e8456038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 168.933086][ T6618] RAX: ffffffffffffffda RBX: 00007fc4e9015fa0 RCX: 00007fc4e8deebe9 [ 168.933093][ T6618] RDX: 0000000000000000 RSI: 0000000001001bfc RDI: 0000200000000040 [ 168.933100][ T6618] RBP: 00007fc4e8e71e19 R08: 0000000000000000 R09: 0000000000000000 [ 168.933106][ T6618] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 168.933112][ T6618] R13: 00007fc4e9016038 R14: 00007fc4e9015fa0 R15: 00007ffc478919b8 [ 168.933122][ T6618] [ 168.933128][ T6618] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 168.933136][ T6618] CPU: 1 UID: 0 PID: 6618 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 168.933147][ T6618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 168.933153][ T6618] Call Trace: [ 168.933157][ T6618] [ 168.933160][ T6618] dump_stack_lvl+0x99/0x250 [ 168.933174][ T6618] ? __asan_memcpy+0x40/0x70 [ 168.933185][ T6618] ? __pfx_dump_stack_lvl+0x10/0x10 [ 168.933198][ T6618] ? __pfx__printk+0x10/0x10 [ 168.933210][ T6618] vpanic+0x281/0x750 [ 168.933224][ T6618] ? __pfx__printk+0x10/0x10 [ 168.933233][ T6618] ? __pfx_vpanic+0x10/0x10 [ 168.933246][ T6618] ? is_bpf_text_address+0x292/0x2b0 [ 168.933262][ T6618] panic+0xb9/0xc0 [ 168.933274][ T6618] ? __pfx_panic+0x10/0x10 [ 168.933290][ T6618] __warn+0x31b/0x4b0 [ 168.933303][ T6618] ? rt_mutex_handle_deadlock+0x28/0xb0 [ 168.933314][ T6618] ? rt_mutex_handle_deadlock+0x28/0xb0 [ 168.933325][ T6618] report_bug+0x2be/0x4f0 [ 168.933339][ T6618] ? rt_mutex_handle_deadlock+0x28/0xb0 [ 168.933350][ T6618] ? rt_mutex_handle_deadlock+0x28/0xb0 [ 168.933360][ T6618] ? rt_mutex_handle_deadlock+0x2a/0xb0 [ 168.933371][ T6618] handle_bug+0x84/0x160 [ 168.933383][ T6618] exc_invalid_op+0x1a/0x50 [ 168.933393][ T6618] asm_exc_invalid_op+0x1a/0x20 [ 168.933402][ T6618] RIP: 0010:rt_mutex_handle_deadlock+0x28/0xb0 [ 168.933414][ T6618] 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 c6 2c 01 00 90 48 c7 c7 00 09 0b 8b e8 09 28 8a f6 90 <0f> 0b 90 90 4c 8d 3d 00 00 00 00 65 48 8b 1c 25 08 10 f6 91 4c 8d [ 168.933422][ T6618] RSP: 0018:ffffc90003f16c90 EFLAGS: 00010246 [ 168.933430][ T6618] RAX: a2f35d0fe9388100 RBX: ffffc90003f16d20 RCX: ffff8880254a5940 [ 168.933437][ T6618] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 168.933443][ T6618] RBP: ffffc90003f16e28 R08: 0000000000000000 R09: 0000000000000000 [ 168.933449][ T6618] R10: dffffc0000000000 R11: ffffed1017124863 R12: 1ffff920007e2da0 [ 168.933456][ T6618] R13: ffffffff8af901b9 R14: ffff8880398a8048 R15: dffffc0000000000 [ 168.933464][ T6618] ? rt_mutex_slowlock+0x1c9/0x6e0 [ 168.933478][ T6618] ? rt_mutex_slowlock+0x1c9/0x6e0 [ 168.933488][ T6618] rt_mutex_slowlock+0x692/0x6e0 [ 168.933499][ T6618] ? rt_mutex_slowlock+0x1c9/0x6e0 [ 168.933510][ T6618] ? __pfx_rt_mutex_slowlock+0x10/0x10 [ 168.933524][ T6618] ? hfs_find_init+0xaa/0x200 [ 168.933535][ T6618] ? hfs_find_init+0x184/0x200 [ 168.933544][ T6618] mutex_lock_nested+0x16a/0x1d0 [ 168.933554][ T6618] ? hfs_find_init+0xaa/0x200 [ 168.933564][ T6618] hfs_find_init+0x184/0x200 [ 168.933574][ T6618] hfs_extend_file+0x2ee/0x1230 [ 168.933586][ T6618] ? hfs_ext_keycmp+0x1c7/0x320 [ 168.933598][ T6618] ? __pfx_hfs_ext_keycmp+0x10/0x10 [ 168.933611][ T6618] ? __pfx_hfs_extend_file+0x10/0x10 [ 168.933624][ T6618] ? __pfx___hfs_brec_find+0x10/0x10 [ 168.933644][ T6618] ? hfs_brec_find+0x3c8/0x500 [ 168.933655][ T6618] hfs_bmap_reserve+0x107/0x430 [ 168.933669][ T6618] __hfs_ext_write_extent+0x1fa/0x470 [ 168.933682][ T6618] __hfs_ext_cache_extent+0x6b/0x9b0 [ 168.933695][ T6618] ? hfs_find_init+0x184/0x200 [ 168.933705][ T6618] hfs_extend_file+0x316/0x1230 [ 168.933717][ T6618] ? __pfx_filemap_get_folios_tag+0x10/0x10 [ 168.933728][ T6618] ? __pfx_hfs_extend_file+0x10/0x10 [ 168.933741][ T6618] ? clean_bdev_aliases+0x5c9/0x6b0 [ 168.933752][ T6618] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 168.933763][ T6618] hfs_get_block+0x3d7/0xbd0 [ 168.933777][ T6618] ? __pfx_hfs_get_block+0x10/0x10 [ 168.933789][ T6618] ? rt_spin_unlock+0x65/0x80 [ 168.933803][ T6618] __block_write_begin_int+0x6b5/0x1900 [ 168.933815][ T6618] ? __pfx_hfs_get_block+0x10/0x10 [ 168.933828][ T6618] ? __pfx___block_write_begin_int+0x10/0x10 [ 168.933838][ T6618] ? reacquire_held_locks+0x127/0x1d0 [ 168.933853][ T6618] cont_write_begin+0x789/0xb50 [ 168.933865][ T6618] ? __pfx_cont_write_begin+0x10/0x10 [ 168.933876][ T6618] ? folio_unlock+0x101/0x160 [ 168.933889][ T6618] hfs_write_begin+0x66/0xb0 [ 168.933902][ T6618] ? __pfx_hfs_get_block+0x10/0x10 [ 168.933914][ T6618] cont_write_begin+0x2fd/0xb50 [ 168.933926][ T6618] ? __pfx_cont_write_begin+0x10/0x10 [ 168.933936][ T6618] ? __lock_acquire+0xab9/0xd20 [ 168.933950][ T6618] hfs_write_begin+0x66/0xb0 [ 168.933962][ T6618] ? __pfx_hfs_get_block+0x10/0x10 [ 168.933974][ T6618] hfs_file_truncate+0x190/0x9c0 [ 168.933990][ T6618] ? __pfx_hfs_file_truncate+0x10/0x10 [ 168.934003][ T6618] ? unmap_mapping_range+0xde/0x170 [ 168.934015][ T6618] ? __pfx_unmap_mapping_range+0x10/0x10 [ 168.934027][ T6618] ? pagecache_isize_extended+0x11a/0x4f0 [ 168.934039][ T6618] ? truncate_setsize+0xcf/0xf0 [ 168.934050][ T6618] hfs_inode_setattr+0x4a9/0x670 [ 168.934064][ T6618] ? try_break_deleg+0x7c/0x130 [ 168.934074][ T6618] ? __pfx_hfs_inode_setattr+0x10/0x10 [ 168.934087][ T6618] notify_change+0xb31/0xe60 [ 168.934100][ T6618] do_truncate+0x1a4/0x220 [ 168.934112][ T6618] ? __pfx_do_truncate+0x10/0x10 [ 168.934124][ T6618] ? mnt_get_write_access+0x2bb/0x340 [ 168.934136][ T6618] vfs_truncate+0x493/0x520 [ 168.934146][ T6618] ? lockdep_hardirqs_on+0x9c/0x150 [ 168.934160][ T6618] ? __pfx_vfs_truncate+0x10/0x10 [ 168.934173][ T6618] do_sys_truncate+0xdb/0x190 [ 168.934184][ T6618] ? __pfx_do_sys_truncate+0x10/0x10 [ 168.934196][ T6618] ? rcu_is_watching+0x15/0xb0 [ 168.934211][ T6618] __x64_sys_truncate+0x5b/0x70 [ 168.934223][ T6618] do_syscall_64+0xfa/0x3b0 [ 168.934231][ T6618] ? lockdep_hardirqs_on+0x9c/0x150 [ 168.934244][ T6618] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 168.934253][ T6618] ? clear_bhb_loop+0x60/0xb0 [ 168.934263][ T6618] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 168.934312][ T6618] RIP: 0033:0x7fc4e8deebe9 [ 168.934320][ T6618] 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 [ 168.934327][ T6618] RSP: 002b:00007fc4e8456038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 168.934337][ T6618] RAX: ffffffffffffffda RBX: 00007fc4e9015fa0 RCX: 00007fc4e8deebe9 [ 168.934345][ T6618] RDX: 0000000000000000 RSI: 0000000001001bfc RDI: 0000200000000040 [ 168.934351][ T6618] RBP: 00007fc4e8e71e19 R08: 0000000000000000 R09: 0000000000000000 [ 168.934357][ T6618] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 168.934363][ T6618] R13: 00007fc4e9016038 R14: 00007fc4e9015fa0 R15: 00007ffc478919b8 [ 168.934373][ T6618] [ 168.934633][ T6618] Kernel Offset: disabled