Warning: Permanently added '10.128.0.251' (ED25519) to the list of known hosts. 2026/02/08 21:15:45 parsed 1 programs [ 81.589113][ T5797] cgroup: Unknown subsys name 'net' [ 81.852070][ T5797] cgroup: Unknown subsys name 'cpuset' [ 81.935368][ T5797] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 83.567670][ T5797] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 86.830506][ T10] cfg80211: failed to load regulatory.db [ 89.210531][ T5113] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 89.216155][ T5113] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 89.217036][ T5113] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 89.218173][ T5113] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 89.218922][ T5113] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 90.975195][ T5876] chnl_net:caif_netlink_parms(): no params data found [ 91.086438][ T5876] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.087480][ T5876] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.087600][ T5876] bridge_slave_0: entered allmulticast mode [ 91.089065][ T5876] bridge_slave_0: entered promiscuous mode [ 91.093344][ T5876] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.093454][ T5876] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.093585][ T5876] bridge_slave_1: entered allmulticast mode [ 91.141442][ T5876] bridge_slave_1: entered promiscuous mode [ 91.174303][ T5876] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 91.194637][ T5876] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.258818][ T5876] team0: Port device team_slave_0 added [ 91.260775][ T5876] team0: Port device team_slave_1 added [ 91.335889][ T5876] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 91.335901][ T5876] 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. [ 91.335915][ T5876] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 91.390871][ T5876] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 91.390884][ T5876] 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. [ 91.390897][ T5876] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 91.453329][ T5876] hsr_slave_0: entered promiscuous mode [ 91.454266][ T5876] hsr_slave_1: entered promiscuous mode [ 91.649520][ T5876] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 91.672557][ T5876] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 91.710224][ T5876] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 91.749198][ T5876] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 91.819390][ T5876] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.820222][ T5876] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.821029][ T5876] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.821117][ T5876] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.896069][ T5876] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.937086][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.975834][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.194026][ T5876] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.209709][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.209921][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.233627][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.233798][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.431833][ T5876] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 92.477905][ T5876] veth0_vlan: entered promiscuous mode [ 92.483864][ T5876] veth1_vlan: entered promiscuous mode [ 92.515824][ T5876] veth0_macvtap: entered promiscuous mode [ 92.519235][ T5876] veth1_macvtap: entered promiscuous mode [ 92.533437][ T5876] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 92.540546][ T5876] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 92.563062][ T3905] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.564670][ T3905] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.566550][ T3905] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.567064][ T3905] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.310303][ T1179] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 93.558171][ T1179] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 93.653944][ T3905] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.653969][ T3905] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.817713][ T1179] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 93.877438][ T57] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.877455][ T57] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.259121][ T1179] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/02/08 21:16:01 executed programs: 0 [ 94.886695][ T5113] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 94.906245][ T5113] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 94.914624][ T5113] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 94.916180][ T5113] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 94.917084][ T5113] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 95.114475][ T5906] chnl_net:caif_netlink_parms(): no params data found [ 95.201609][ T5906] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.201730][ T5906] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.201836][ T5906] bridge_slave_0: entered allmulticast mode [ 95.203129][ T5906] bridge_slave_0: entered promiscuous mode [ 95.245736][ T5906] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.245804][ T5906] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.245917][ T5906] bridge_slave_1: entered allmulticast mode [ 95.247266][ T5906] bridge_slave_1: entered promiscuous mode [ 95.286698][ T5906] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.289236][ T5906] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.330214][ T5906] team0: Port device team_slave_0 added [ 95.333143][ T5906] team0: Port device team_slave_1 added [ 95.362441][ T5906] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.362457][ T5906] 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. [ 95.362480][ T5906] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.364590][ T5906] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.364602][ T5906] 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. [ 95.364619][ T5906] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.670797][ T5906] hsr_slave_0: entered promiscuous mode [ 95.671553][ T5906] hsr_slave_1: entered promiscuous mode [ 95.672161][ T5906] debugfs: 'hsr0' already exists in 'hsr' [ 95.672233][ T5906] Cannot create hsr debugfs directory [ 95.818220][ T1179] bridge_slave_1: left allmulticast mode [ 95.818333][ T1179] bridge_slave_1: left promiscuous mode [ 95.820002][ T1179] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.906092][ T1179] bridge_slave_0: left allmulticast mode [ 95.906114][ T1179] bridge_slave_0: left promiscuous mode [ 95.906282][ T1179] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.987310][ T61] Bluetooth: hci0: command tx timeout [ 97.156930][ T1179] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 97.225637][ T1179] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 97.246937][ T1179] bond0 (unregistering): Released all slaves [ 97.555043][ T1179] hsr_slave_0: left promiscuous mode [ 97.594975][ T1179] hsr_slave_1: left promiscuous mode [ 97.595942][ T1179] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 97.596028][ T1179] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 97.620767][ T1179] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 97.620795][ T1179] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 97.723673][ T1179] veth1_macvtap: left promiscuous mode [ 97.723970][ T1179] veth0_macvtap: left promiscuous mode [ 97.724207][ T1179] veth1_vlan: left promiscuous mode [ 97.724394][ T1179] veth0_vlan: left promiscuous mode [ 99.065026][ T61] Bluetooth: hci0: command tx timeout [ 99.915804][ T1179] team0 (unregistering): Port device team_slave_1 removed [ 100.135387][ T1179] team0 (unregistering): Port device team_slave_0 removed [ 101.145037][ T61] Bluetooth: hci0: command tx timeout [ 102.781801][ T5906] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 102.866650][ T5906] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 102.910435][ T5906] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 102.949703][ T5906] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 103.065751][ T5906] 8021q: adding VLAN 0 to HW filter on device bond0 [ 103.080448][ T5906] 8021q: adding VLAN 0 to HW filter on device team0 [ 103.099306][ T57] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.099453][ T57] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.102305][ T57] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.102375][ T57] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.226347][ T61] Bluetooth: hci0: command tx timeout [ 103.459782][ T5906] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.506650][ T5906] veth0_vlan: entered promiscuous mode [ 103.511990][ T5906] veth1_vlan: entered promiscuous mode [ 103.836534][ T5906] veth0_macvtap: entered promiscuous mode [ 103.841410][ T5906] veth1_macvtap: entered promiscuous mode [ 103.871340][ T5906] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 103.942628][ T5906] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 103.958916][ T57] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.959167][ T57] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.959203][ T57] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.959234][ T57] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 104.580376][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.580395][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 104.648486][ T57] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.648508][ T57] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/02/08 21:16:11 executed programs: 2 [ 104.800281][ T5954] loop0: detected capacity change from 0 to 1024 [ 104.953467][ T5954] [ 104.953477][ T5954] ============================================ [ 104.953480][ T5954] WARNING: possible recursive locking detected [ 104.953495][ T5954] syzkaller #0 Not tainted [ 104.953501][ T5954] -------------------------------------------- [ 104.953505][ T5954] syz.0.17/5954 is trying to acquire lock: [ 104.953511][ T5954] ffff888032d3a0a0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x168/0x2d0 [ 104.953548][ T5954] [ 104.953548][ T5954] but task is already holding lock: [ 104.953552][ T5954] ffff888032d3a0a0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x168/0x2d0 [ 104.953584][ T5954] [ 104.953584][ T5954] other info that might help us debug this: [ 104.953588][ T5954] Possible unsafe locking scenario: [ 104.953588][ T5954] [ 104.953590][ T5954] CPU0 [ 104.953593][ T5954] ---- [ 104.953595][ T5954] lock(&tree->tree_lock/1); [ 104.953604][ T5954] lock(&tree->tree_lock/1); [ 104.953611][ T5954] [ 104.953611][ T5954] *** DEADLOCK *** [ 104.953611][ T5954] [ 104.953614][ T5954] May be due to missing lock nesting notation [ 104.953614][ T5954] [ 104.953617][ T5954] 5 locks held by syz.0.17/5954: [ 104.953623][ T5954] #0: ffff8880325f8480 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x22d/0xba0 [ 104.953650][ T5954] #1: ffff8880345c8358 (&sb->s_type->i_mutex_key#23){+.+.}-{4:4}, at: generic_file_write_iter+0x11f/0x690 [ 104.953675][ T5954] #2: ffff8880345c80f8 (&hip->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x215/0x1d70 [ 104.953702][ T5954] #3: ffff888032d3a0a0 (&tree->tree_lock/1){+.+.}-{4:4}, at: hfsplus_find_init+0x168/0x2d0 [ 104.953727][ T5954] #4: ffff8880330b00f8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x215/0x1d70 [ 104.953754][ T5954] [ 104.953754][ T5954] stack backtrace: [ 104.953765][ T5954] CPU: 0 UID: 0 PID: 5954 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 104.953778][ T5954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 104.953790][ T5954] Call Trace: [ 104.953794][ T5954] [ 104.953801][ T5954] dump_stack_lvl+0xe8/0x150 [ 104.953816][ T5954] print_deadlock_bug+0x279/0x290 [ 104.953830][ T5954] __lock_acquire+0x253f/0x2cf0 [ 104.953845][ T5954] ? hfsplus_find_init+0x168/0x2d0 [ 104.953856][ T5954] lock_acquire+0x106/0x330 [ 104.953866][ T5954] ? hfsplus_find_init+0x168/0x2d0 [ 104.953878][ T5954] ? hfsplus_find_init+0x168/0x2d0 [ 104.953889][ T5954] ? hfsplus_find_init+0x168/0x2d0 [ 104.953900][ T5954] mutex_lock_nested+0x5a/0x1d0 [ 104.953911][ T5954] ? hfsplus_find_init+0x168/0x2d0 [ 104.953921][ T5954] ? lockdep_hardirqs_on+0x7a/0x110 [ 104.953935][ T5954] hfsplus_find_init+0x168/0x2d0 [ 104.953946][ T5954] hfsplus_file_extend+0x46d/0x1d70 [ 104.953960][ T5954] ? check_path+0x21/0x40 [ 104.953974][ T5954] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 104.953991][ T5954] ? __asan_memset+0x22/0x50 [ 104.954002][ T5954] ? hfsplus_brec_find+0x19d/0x520 [ 104.954015][ T5954] hfsplus_bmap_reserve+0x128/0x520 [ 104.954027][ T5954] __hfsplus_ext_write_extent+0x2b0/0x5e0 [ 104.954043][ T5954] __hfsplus_ext_cache_extent+0x9b/0x780 [ 104.954058][ T5954] hfsplus_file_extend+0x4af/0x1d70 [ 104.954075][ T5954] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 104.954090][ T5954] ? clean_bdev_aliases+0x62e/0x750 [ 104.954104][ T5954] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 104.954117][ T5954] hfsplus_get_block+0x42e/0x1670 [ 104.954133][ T5954] ? __pfx_hfsplus_get_block+0x10/0x10 [ 104.954147][ T5954] ? rt_spin_unlock+0x160/0x200 [ 104.954161][ T5954] __block_write_begin_int+0x6c6/0x1910 [ 104.954176][ T5954] ? __pfx_hfsplus_get_block+0x10/0x10 [ 104.954190][ T5954] ? __pfx___block_write_begin_int+0x10/0x10 [ 104.954202][ T5954] ? __filemap_get_folio_mpol+0x6fa/0xa50 [ 104.954217][ T5954] cont_write_begin+0x737/0xae0 [ 104.954229][ T5954] ? irqentry_exit+0x59c/0x620 [ 104.954244][ T5954] ? __pfx_cont_write_begin+0x10/0x10 [ 104.954259][ T5954] hfsplus_write_begin+0x66/0xb0 [ 104.954271][ T5954] ? __pfx_hfsplus_get_block+0x10/0x10 [ 104.954286][ T5954] generic_perform_write+0x2af/0x8b0 [ 104.954297][ T5954] ? __pfx_generic_perform_write+0x10/0x10 [ 104.954306][ T5954] ? file_update_time_flags+0x2d1/0x4e0 [ 104.954321][ T5954] ? __generic_file_write_iter+0xfc/0x240 [ 104.954333][ T5954] ? generic_file_write_iter+0x137/0x690 [ 104.954347][ T5954] generic_file_write_iter+0x14b/0x690 [ 104.954362][ T5954] ? __pfx_generic_file_write_iter+0x10/0x10 [ 104.954373][ T5954] ? __lock_acquire+0x6b5/0x2cf0 [ 104.954383][ T5954] ? futex_hash+0x40/0x2d0 [ 104.954393][ T5954] ? futex_hash+0x40/0x2d0 [ 104.954403][ T5954] ? futex_hash+0x40/0x2d0 [ 104.954412][ T5954] ? vfs_write+0x22d/0xba0 [ 104.954423][ T5954] ? vfs_write+0x22d/0xba0 [ 104.954438][ T5954] vfs_write+0x629/0xba0 [ 104.954451][ T5954] ? __pfx_vfs_write+0x10/0x10 [ 104.954462][ T5954] ? __pfx_do_futex+0x10/0x10 [ 104.954473][ T5954] ? do_sys_openat2+0x168/0x220 [ 104.954484][ T5954] ksys_write+0x156/0x270 [ 104.954497][ T5954] ? __pfx_ksys_write+0x10/0x10 [ 104.954511][ T5954] do_syscall_64+0xe2/0xf80 [ 104.954524][ T5954] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 104.954534][ T5954] ? trace_irq_disable+0x37/0x100 [ 104.954547][ T5954] ? clear_bhb_loop+0x60/0xb0 [ 104.954558][ T5954] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 104.954574][ T5954] RIP: 0033:0x7f26f5a9aeb9 [ 104.954588][ T5954] 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 [ 104.954597][ T5954] RSP: 002b:00007ffd6d0cd938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 104.954607][ T5954] RAX: ffffffffffffffda RBX: 00007f26f5d15fa0 RCX: 00007f26f5a9aeb9 [ 104.954614][ T5954] RDX: 0000000000032600 RSI: 0000200000000000 RDI: 0000000000000004 [ 104.954620][ T5954] RBP: 00007f26f5b08c1f R08: 0000000000000000 R09: 0000000000000000 [ 104.954626][ T5954] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 104.954631][ T5954] R13: 00007f26f5d15fac R14: 00007f26f5d15fa0 R15: 00007f26f5d15fa0 [ 104.954641][ T5954] [ 104.954672][ T5954] ------------[ cut here ]------------ [ 104.954676][ T5954] rtmutex deadlock detected [ 104.954681][ T5954] WARNING: kernel/locking/rtmutex.c:1674 at rt_mutex_handle_deadlock+0x21/0xb0, CPU#0: syz.0.17/5954 [ 104.954697][ T5954] Modules linked in: [ 104.954706][ T5954] CPU: 0 UID: 0 PID: 5954 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 104.954717][ T5954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 104.954722][ T5954] RIP: 0010:rt_mutex_handle_deadlock+0x21/0xb0 [ 104.954802][ T5954] Code: 90 90 90 90 90 90 90 90 90 41 57 41 56 41 55 41 54 53 83 ff dd 0f 85 81 00 00 00 48 89 f7 e8 56 3a 01 00 48 8d 3d ef 44 3b 04 <67> 48 0f b9 3a 4c 8d 3d 00 00 00 00 65 48 8b 1d 33 a8 15 07 4c 8d [ 104.954815][ T5954] RSP: 0018:ffffc90004776d50 EFLAGS: 00010286 [ 104.954828][ T5954] RAX: 0000000080000000 RBX: ffffc90004776de0 RCX: 0000000000000000 [ 104.954838][ T5954] RDX: 0000000000000000 RSI: ffffffff8b85e960 RDI: ffffffff8f4b0cb0 [ 104.954849][ T5954] RBP: ffffc90004776ee8 R08: ffffffff8f47e577 R09: 1ffffffff1e8fcae [ 104.954860][ T5954] R10: dffffc0000000000 R11: fffffbfff1e8fcaf R12: 1ffff920008eedb8 [ 104.954871][ T5954] R13: ffffffff8b0fc27d R14: ffff888032d3a048 R15: dffffc0000000000 [ 104.954883][ T5954] FS: 000055555aeb7500(0000) GS:ffff8881265c9000(0000) knlGS:0000000000000000 [ 104.954897][ T5954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.954908][ T5954] CR2: 000020000002f000 CR3: 0000000041b9e000 CR4: 00000000003526f0 [ 104.954922][ T5954] Call Trace: [ 104.954928][ T5954] [ 104.954934][ T5954] ? rt_mutex_slowlock+0x1fd/0x710 [ 104.954951][ T5954] rt_mutex_slowlock+0x6c0/0x710 [ 104.954967][ T5954] ? rt_mutex_slowlock+0x1fd/0x710 [ 104.954984][ T5954] ? __pfx_rt_mutex_slowlock+0x10/0x10 [ 104.955003][ T5954] ? hfsplus_find_init+0x168/0x2d0 [ 104.955021][ T5954] ? hfsplus_find_init+0x168/0x2d0 [ 104.955036][ T5954] mutex_lock_nested+0x168/0x1d0 [ 104.955051][ T5954] ? lockdep_hardirqs_on+0x7a/0x110 [ 104.955073][ T5954] hfsplus_find_init+0x168/0x2d0 [ 104.955090][ T5954] hfsplus_file_extend+0x46d/0x1d70 [ 104.955112][ T5954] ? check_path+0x21/0x40 [ 104.955133][ T5954] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 104.955178][ T5954] ? __asan_memset+0x22/0x50 [ 104.955195][ T5954] ? hfsplus_brec_find+0x19d/0x520 [ 104.955218][ T5954] hfsplus_bmap_reserve+0x128/0x520 [ 104.955241][ T5954] __hfsplus_ext_write_extent+0x2b0/0x5e0 [ 104.955271][ T5954] __hfsplus_ext_cache_extent+0x9b/0x780 [ 104.955296][ T5954] hfsplus_file_extend+0x4af/0x1d70 [ 104.955321][ T5954] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 104.955345][ T5954] ? clean_bdev_aliases+0x62e/0x750 [ 104.955368][ T5954] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 104.955390][ T5954] hfsplus_get_block+0x42e/0x1670 [ 104.955416][ T5954] ? __pfx_hfsplus_get_block+0x10/0x10 [ 104.955438][ T5954] ? rt_spin_unlock+0x160/0x200 [ 104.955460][ T5954] __block_write_begin_int+0x6c6/0x1910 [ 104.955486][ T5954] ? __pfx_hfsplus_get_block+0x10/0x10 [ 104.955508][ T5954] ? __pfx___block_write_begin_int+0x10/0x10 [ 104.955529][ T5954] ? __filemap_get_folio_mpol+0x6fa/0xa50 [ 104.955554][ T5954] cont_write_begin+0x737/0xae0 [ 104.955583][ T5954] ? irqentry_exit+0x59c/0x620 [ 104.955607][ T5954] ? __pfx_cont_write_begin+0x10/0x10 [ 104.955631][ T5954] hfsplus_write_begin+0x66/0xb0 [ 104.955656][ T5954] ? __pfx_hfsplus_get_block+0x10/0x10 [ 104.955678][ T5954] generic_perform_write+0x2af/0x8b0 [ 104.955698][ T5954] ? __pfx_generic_perform_write+0x10/0x10 [ 104.955713][ T5954] ? file_update_time_flags+0x2d1/0x4e0 [ 104.955734][ T5954] ? __generic_file_write_iter+0xfc/0x240 [ 104.955749][ T5954] ? generic_file_write_iter+0x137/0x690 [ 104.955766][ T5954] generic_file_write_iter+0x14b/0x690 [ 104.955784][ T5954] ? __pfx_generic_file_write_iter+0x10/0x10 [ 104.955801][ T5954] ? __lock_acquire+0x6b5/0x2cf0 [ 104.955819][ T5954] ? futex_hash+0x40/0x2d0 [ 104.955836][ T5954] ? futex_hash+0x40/0x2d0 [ 104.955853][ T5954] ? futex_hash+0x40/0x2d0 [ 104.955871][ T5954] ? vfs_write+0x22d/0xba0 [ 104.955890][ T5954] ? vfs_write+0x22d/0xba0 [ 104.955914][ T5954] vfs_write+0x629/0xba0 [ 104.955936][ T5954] ? __pfx_vfs_write+0x10/0x10 [ 104.955956][ T5954] ? __pfx_do_futex+0x10/0x10 [ 104.955972][ T5954] ? do_sys_openat2+0x168/0x220 [ 104.955989][ T5954] ksys_write+0x156/0x270 [ 104.956001][ T5954] ? __pfx_ksys_write+0x10/0x10 [ 104.956015][ T5954] do_syscall_64+0xe2/0xf80 [ 104.956030][ T5954] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 104.956039][ T5954] ? trace_irq_disable+0x37/0x100 [ 104.956053][ T5954] ? clear_bhb_loop+0x60/0xb0 [ 104.956064][ T5954] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 104.956073][ T5954] RIP: 0033:0x7f26f5a9aeb9 [ 104.956082][ T5954] 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 [ 104.956090][ T5954] RSP: 002b:00007ffd6d0cd938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 104.956100][ T5954] RAX: ffffffffffffffda RBX: 00007f26f5d15fa0 RCX: 00007f26f5a9aeb9 [ 104.956108][ T5954] RDX: 0000000000032600 RSI: 0000200000000000 RDI: 0000000000000004 [ 104.956114][ T5954] RBP: 00007f26f5b08c1f R08: 0000000000000000 R09: 0000000000000000 [ 104.956119][ T5954] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 104.956125][ T5954] R13: 00007f26f5d15fac R14: 00007f26f5d15fa0 R15: 00007f26f5d15fa0 [ 104.956135][ T5954] [ 104.956141][ T5954] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 104.956150][ T5954] CPU: 0 UID: 0 PID: 5954 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 104.956163][ T5954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 104.956168][ T5954] Call Trace: [ 104.956172][ T5954] [ 104.956176][ T5954] vpanic+0x1e0/0x670 [ 104.956192][ T5954] panic+0xc5/0xd0 [ 104.956204][ T5954] ? __pfx_panic+0x10/0x10 [ 104.956219][ T5954] __warn+0x315/0x4a0 [ 104.956232][ T5954] ? rt_mutex_handle_deadlock+0x21/0xb0 [ 104.956243][ T5954] ? rt_mutex_handle_deadlock+0x21/0xb0 [ 104.956253][ T5954] __report_bug+0x29a/0x540 [ 104.956268][ T5954] ? rt_mutex_handle_deadlock+0x21/0xb0 [ 104.956279][ T5954] ? __pfx___report_bug+0x10/0x10 [ 104.956292][ T5954] ? __show_trace_log_lvl+0x478/0x550 [ 104.956306][ T5954] report_bug_entry+0x19a/0x290 [ 104.956320][ T5954] ? rt_mutex_handle_deadlock+0x21/0xb0 [ 104.956330][ T5954] ? rt_mutex_handle_deadlock+0x26/0xb0 [ 104.956340][ T5954] handle_bug+0xca/0x200 [ 104.956355][ T5954] exc_invalid_op+0x1a/0x50 [ 104.956369][ T5954] asm_exc_invalid_op+0x1a/0x20 [ 104.956379][ T5954] RIP: 0010:rt_mutex_handle_deadlock+0x21/0xb0 [ 104.956390][ T5954] Code: 90 90 90 90 90 90 90 90 90 41 57 41 56 41 55 41 54 53 83 ff dd 0f 85 81 00 00 00 48 89 f7 e8 56 3a 01 00 48 8d 3d ef 44 3b 04 <67> 48 0f b9 3a 4c 8d 3d 00 00 00 00 65 48 8b 1d 33 a8 15 07 4c 8d [ 104.956398][ T5954] RSP: 0018:ffffc90004776d50 EFLAGS: 00010286 [ 104.956406][ T5954] RAX: 0000000080000000 RBX: ffffc90004776de0 RCX: 0000000000000000 [ 104.956413][ T5954] RDX: 0000000000000000 RSI: ffffffff8b85e960 RDI: ffffffff8f4b0cb0 [ 104.956419][ T5954] RBP: ffffc90004776ee8 R08: ffffffff8f47e577 R09: 1ffffffff1e8fcae [ 104.956426][ T5954] R10: dffffc0000000000 R11: fffffbfff1e8fcaf R12: 1ffff920008eedb8 [ 104.956433][ T5954] R13: ffffffff8b0fc27d R14: ffff888032d3a048 R15: dffffc0000000000 [ 104.956440][ T5954] ? rt_mutex_slowlock+0x1fd/0x710 [ 104.956453][ T5954] ? rt_mutex_slowlock+0x1fd/0x710 [ 104.956463][ T5954] rt_mutex_slowlock+0x6c0/0x710 [ 104.956473][ T5954] ? rt_mutex_slowlock+0x1fd/0x710 [ 104.956483][ T5954] ? __pfx_rt_mutex_slowlock+0x10/0x10 [ 104.956496][ T5954] ? hfsplus_find_init+0x168/0x2d0 [ 104.956508][ T5954] ? hfsplus_find_init+0x168/0x2d0 [ 104.956518][ T5954] mutex_lock_nested+0x168/0x1d0 [ 104.956528][ T5954] ? lockdep_hardirqs_on+0x7a/0x110 [ 104.956541][ T5954] hfsplus_find_init+0x168/0x2d0 [ 104.956553][ T5954] hfsplus_file_extend+0x46d/0x1d70 [ 104.956574][ T5954] ? check_path+0x21/0x40 [ 104.956588][ T5954] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 104.956605][ T5954] ? __asan_memset+0x22/0x50 [ 104.956619][ T5954] ? hfsplus_brec_find+0x19d/0x520 [ 104.956632][ T5954] hfsplus_bmap_reserve+0x128/0x520 [ 104.956645][ T5954] __hfsplus_ext_write_extent+0x2b0/0x5e0 [ 104.956661][ T5954] __hfsplus_ext_cache_extent+0x9b/0x780 [ 104.956676][ T5954] hfsplus_file_extend+0x4af/0x1d70 [ 104.956692][ T5954] ? __pfx_hfsplus_file_extend+0x10/0x10 [ 104.956708][ T5954] ? clean_bdev_aliases+0x62e/0x750 [ 104.956721][ T5954] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 104.956734][ T5954] hfsplus_get_block+0x42e/0x1670 [ 104.956750][ T5954] ? __pfx_hfsplus_get_block+0x10/0x10 [ 104.956764][ T5954] ? rt_spin_unlock+0x160/0x200 [ 104.956777][ T5954] __block_write_begin_int+0x6c6/0x1910 [ 104.956791][ T5954] ? __pfx_hfsplus_get_block+0x10/0x10 [ 104.956805][ T5954] ? __pfx___block_write_begin_int+0x10/0x10 [ 104.956818][ T5954] ? __filemap_get_folio_mpol+0x6fa/0xa50 [ 104.956832][ T5954] cont_write_begin+0x737/0xae0 [ 104.956845][ T5954] ? irqentry_exit+0x59c/0x620 [ 104.956860][ T5954] ? __pfx_cont_write_begin+0x10/0x10 [ 104.956874][ T5954] hfsplus_write_begin+0x66/0xb0 [ 104.956887][ T5954] ? __pfx_hfsplus_get_block+0x10/0x10 [ 104.956901][ T5954] generic_perform_write+0x2af/0x8b0 [ 104.956913][ T5954] ? __pfx_generic_perform_write+0x10/0x10 [ 104.956922][ T5954] ? file_update_time_flags+0x2d1/0x4e0 [ 104.956934][ T5954] ? __generic_file_write_iter+0xfc/0x240 [ 104.956942][ T5954] ? generic_file_write_iter+0x137/0x690 [ 104.956952][ T5954] generic_file_write_iter+0x14b/0x690 [ 104.956962][ T5954] ? __pfx_generic_file_write_iter+0x10/0x10 [ 104.956971][ T5954] ? __lock_acquire+0x6b5/0x2cf0 [ 104.956982][ T5954] ? futex_hash+0x40/0x2d0 [ 104.956991][ T5954] ? futex_hash+0x40/0x2d0 [ 104.957000][ T5954] ? futex_hash+0x40/0x2d0 [ 104.957010][ T5954] ? vfs_write+0x22d/0xba0 [ 104.957022][ T5954] ? vfs_write+0x22d/0xba0 [ 104.957036][ T5954] vfs_write+0x629/0xba0 [ 104.957049][ T5954] ? __pfx_vfs_write+0x10/0x10 [ 104.957061][ T5954] ? __pfx_do_futex+0x10/0x10 [ 104.957071][ T5954] ? do_sys_openat2+0x168/0x220 [ 104.957083][ T5954] ksys_write+0x156/0x270 [ 104.957095][ T5954] ? __pfx_ksys_write+0x10/0x10 [ 104.957109][ T5954] do_syscall_64+0xe2/0xf80 [ 104.957121][ T5954] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 104.957131][ T5954] ? trace_irq_disable+0x37/0x100 [ 104.957143][ T5954] ? clear_bhb_loop+0x60/0xb0 [ 104.957154][ T5954] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 104.957163][ T5954] RIP: 0033:0x7f26f5a9aeb9 [ 104.957171][ T5954] 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 [ 104.957178][ T5954] RSP: 002b:00007ffd6d0cd938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 104.957187][ T5954] RAX: ffffffffffffffda RBX: 00007f26f5d15fa0 RCX: 00007f26f5a9aeb9 [ 104.957194][ T5954] RDX: 0000000000032600 RSI: 0000200000000000 RDI: 0000000000000004 [ 104.957200][ T5954] RBP: 00007f26f5b08c1f R08: 0000000000000000 R09: 0000000000000000 [ 104.957206][ T5954] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 104.957212][ T5954] R13: 00007f26f5d15fac R14: 00007f26f5d15fa0 R15: 00007f26f5d15fa0 [ 104.957222][ T5954] [ 104.957688][ T5954] Kernel Offset: disabled