Warning: Permanently added '10.128.1.168' (ED25519) to the list of known hosts.
2025/10/09 07:30:29 parsed 1 programs
syzkaller login: [ 81.613655][ T5802] cgroup: Unknown subsys name 'net'
[ 81.857429][ T5802] cgroup: Unknown subsys name 'cpuset'
[ 81.930242][ T5802] cgroup: Unknown subsys name 'rlimit'
[ 83.589417][ T5802] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 86.874332][ T58] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 86.874351][ T58] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 86.897234][ T981] cfg80211: failed to load regulatory.db
[ 87.018636][ T58] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 87.018658][ T58] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 91.095797][ T5862] chnl_net:caif_netlink_parms(): no params data found
[ 91.441956][ T5862] bridge0: port 1(bridge_slave_0) entered blocking state
[ 91.444117][ T5862] bridge0: port 1(bridge_slave_0) entered disabled state
[ 91.444320][ T5862] bridge_slave_0: entered allmulticast mode
[ 91.447015][ T5862] bridge_slave_0: entered promiscuous mode
[ 91.453202][ T5862] bridge0: port 2(bridge_slave_1) entered blocking state
[ 91.453398][ T5862] bridge0: port 2(bridge_slave_1) entered disabled state
[ 91.453557][ T5862] bridge_slave_1: entered allmulticast mode
[ 91.456129][ T5862] bridge_slave_1: entered promiscuous mode
[ 91.621444][ T5862] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 91.624163][ T5862] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 91.901588][ T5862] team0: Port device team_slave_0 added
[ 91.903784][ T5862] team0: Port device team_slave_1 added
[ 92.211587][ T5862] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 92.211599][ T5862] 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.
[ 92.211613][ T5862] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 92.310690][ T5862] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 92.310702][ T5862] 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.
[ 92.310717][ T5862] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 92.537454][ T5862] hsr_slave_0: entered promiscuous mode
[ 92.538398][ T5862] hsr_slave_1: entered promiscuous mode
[ 92.930390][ T5862] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 92.980150][ T5862] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 93.004769][ T5862] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 93.043910][ T5862] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 93.257114][ T5862] 8021q: adding VLAN 0 to HW filter on device bond0
[ 93.278218][ T5862] 8021q: adding VLAN 0 to HW filter on device team0
[ 93.297810][ T13] bridge0: port 1(bridge_slave_0) entered blocking state
[ 93.299181][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 93.316146][ T1172] bridge0: port 2(bridge_slave_1) entered blocking state
[ 93.317299][ T1172] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 93.533666][ T5862] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 93.583123][ T5862] veth0_vlan: entered promiscuous mode
[ 93.589043][ T5862] veth1_vlan: entered promiscuous mode
[ 93.628767][ T5862] veth0_macvtap: entered promiscuous mode
[ 93.635978][ T5862] veth1_macvtap: entered promiscuous mode
[ 93.653234][ T5862] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 93.662660][ T5862] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 93.676231][ T58] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 93.676803][ T58] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 93.677322][ T58] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 93.677486][ T58] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 94.024412][ T5117] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 94.026269][ T5117] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 94.031120][ T5117] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 94.032891][ T5117] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 94.033611][ T5117] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 94.495002][ T43] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 94.785635][ T43] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 95.041722][ T43] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 96.026701][ T43] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
2025/10/09 07:30:46 executed programs: 0
[ 96.812742][ T5117] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 96.818301][ T5117] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 96.820531][ T5117] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 96.821920][ T5117] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 96.823453][ T5117] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 97.000544][ T43] bridge_slave_1: left allmulticast mode
[ 97.000739][ T43] bridge_slave_1: left promiscuous mode
[ 97.002784][ T43] bridge0: port 2(bridge_slave_1) entered disabled state
[ 97.091347][ T43] bridge_slave_0: left allmulticast mode
[ 97.091375][ T43] bridge_slave_0: left promiscuous mode
[ 97.091604][ T43] bridge0: port 1(bridge_slave_0) entered disabled state
[ 98.770515][ T43] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 98.830547][ T43] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 98.851936][ T43] bond0 (unregistering): Released all slaves
[ 98.871903][ T61] Bluetooth: hci0: command tx timeout
[ 99.179722][ T43] hsr_slave_0: left promiscuous mode
[ 99.219761][ T43] hsr_slave_1: left promiscuous mode
[ 99.220972][ T43] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 99.221073][ T43] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 99.271626][ T43] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 99.271661][ T43] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 99.378719][ T43] veth1_macvtap: left promiscuous mode
[ 99.378957][ T43] veth0_macvtap: left promiscuous mode
[ 99.379252][ T43] veth1_vlan: left promiscuous mode
[ 99.381081][ T43] veth0_vlan: left promiscuous mode
[ 100.950319][ T61] Bluetooth: hci0: command tx timeout
[ 101.352270][ T43] team0 (unregistering): Port device team_slave_1 removed
[ 101.660295][ T43] team0 (unregistering): Port device team_slave_0 removed
[ 103.029788][ T61] Bluetooth: hci0: command tx timeout
[ 104.040422][ T5910] chnl_net:caif_netlink_parms(): no params data found
[ 104.441904][ T5910] bridge0: port 1(bridge_slave_0) entered blocking state
[ 104.442103][ T5910] bridge0: port 1(bridge_slave_0) entered disabled state
[ 104.442386][ T5910] bridge_slave_0: entered allmulticast mode
[ 104.445059][ T5910] bridge_slave_0: entered promiscuous mode
[ 104.449101][ T5910] bridge0: port 2(bridge_slave_1) entered blocking state
[ 104.449289][ T5910] bridge0: port 2(bridge_slave_1) entered disabled state
[ 104.449487][ T5910] bridge_slave_1: entered allmulticast mode
[ 104.454987][ T5910] bridge_slave_1: entered promiscuous mode
[ 104.652429][ T5910] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 104.658886][ T5910] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 104.883757][ T5910] team0: Port device team_slave_0 added
[ 104.891985][ T5910] team0: Port device team_slave_1 added
[ 105.109774][ T61] Bluetooth: hci0: command tx timeout
[ 105.181612][ T5910] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 105.181628][ T5910] 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.
[ 105.181651][ T5910] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 105.186260][ T5910] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 105.186274][ T5910] 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.
[ 105.186296][ T5910] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 105.491991][ T5910] hsr_slave_0: entered promiscuous mode
[ 105.493352][ T5910] hsr_slave_1: entered promiscuous mode
[ 107.664931][ T5910] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 107.704063][ T5910] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 107.743963][ T5910] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 107.785460][ T5910] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 107.942865][ T5910] 8021q: adding VLAN 0 to HW filter on device bond0
[ 107.972334][ T5910] 8021q: adding VLAN 0 to HW filter on device team0
[ 107.981246][ T13] bridge0: port 1(bridge_slave_0) entered blocking state
[ 107.981442][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 107.994723][ T13] bridge0: port 2(bridge_slave_1) entered blocking state
[ 107.994856][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 108.333621][ T5910] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 108.399355][ T5910] veth0_vlan: entered promiscuous mode
[ 108.409375][ T5910] veth1_vlan: entered promiscuous mode
[ 108.454894][ T5910] veth0_macvtap: entered promiscuous mode
[ 108.463019][ T5910] veth1_macvtap: entered promiscuous mode
[ 108.488757][ T5910] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 108.501410][ T5910] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 108.515816][ T43] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 108.517745][ T43] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 108.518954][ T43] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 108.519185][ T43] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 108.757546][ T43] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 108.757568][ T43] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 108.827168][ T43] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 108.827188][ T43] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2025/10/09 07:30:58 executed programs: 2
[ 108.971842][ T6054] loop0: detected capacity change from 0 to 512
[ 109.054868][ T6054]
[ 109.054879][ T6054] ======================================================
[ 109.054886][ T6054] WARNING: possible circular locking dependency detected
[ 109.054901][ T6054] syzkaller #0 Not tainted
[ 109.054909][ T6054] ------------------------------------------------------
[ 109.054916][ T6054] syz.0.17/6054 is trying to acquire lock:
[ 109.054926][ T6054] ffff888038706c58 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x1cc/0x350
[ 109.054976][ T6054]
[ 109.054976][ T6054] but task is already holding lock[ 109.054976][ T6054]
[ 109.054976][ T6054] but task is already holding lock:
[ 109.054982][ T6054] ffff888054c4c7c8 (&ei->xattr_sem){++++}-{4:4}, at: __ext4_mark_inode_dirty+0x3eb/0x700
[ 109.055021][ T6054]
[ 109.055021][ T6054] which lock already depends on the new lock.
[ 109.055021][ T6054]
[ 109.055027][ T6054]
[ 109.055027][ T6054] the existing dependency chain (in reverse order) is:
[ 109.055033][ T6054]
[ 109.055033][ T6054] -> #2 (&ei->xattr_sem){++++}-{4:4}:
[ 109.055055][ T6054] lock_acquire+0x120/0x360
[ 109.055075][ T6054] down_write+0x3a/0x50
[ 109.055093][ T6054] ext4_xattr_set_handle+0x165/0x1590
[ 109.055115][ T6054] ext4_initxattrs+0x9f/0x110
[ 109.055130][ T6054] security_inode_init_security+0x2a0/0x3f0
[ 109.055149][ T6054] __ext4_new_inode+0x3314/0x3cb0
[ 109.055168][ T6054] ext4_create+0x22d/0x460
[ 109.055182][ T6054] path_openat+0x14fd/0x3840
[ 109.055198][ T6054] do_filp_open+0x1fa/0x410
[ 109.055212][ T6054] do_sys_openat2+0x121/0x1c0
[ 109.055225][ T6054] __x64_sys_openat+0x138/0x170
[ 109.055238][ T6054] do_syscall_64+0xfa/0xfa0
[ 109.055254][ T6054] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 109.055274][ T6054]
[ 109.055274][ T6054] -> #1 (jbd2_handle){++++}-{0:0}:
[ 109.055296][ T6054] lock_acquire+0x120/0x360
[ 109.055314][ T6054] start_this_handle+0x1fa7/0x21c0
[ 109.055333][ T6054] jbd2__journal_start+0x2c1/0x5b0
[ 109.055351][ T6054] __ext4_journal_start_sb+0x227/0x5c0
[ 109.055373][ T6054] ext4_do_writepages+0xf6f/0x4600
[ 109.055390][ T6054] ext4_writepages+0x205/0x350
[ 109.055403][ T6054] do_writepages+0x32b/0x550
[ 109.055427][ T6054] file_write_and_wait_range+0x244/0x340
[ 109.055448][ T6054] ext4_sync_file+0x2b4/0xb20
[ 109.055467][ T6054] __x64_sys_fsync+0x191/0x1f0
[ 109.055486][ T6054] do_syscall_64+0xfa/0xfa0
[ 109.055500][ T6054] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 109.055515][ T6054]
[ 109.055515][ T6054] -> #0 (&sbi->s_writepages_rwsem){++++}-{0:0}:
[ 109.055536][ T6054] validate_chain+0xb9b/0x2140
[ 109.055555][ T6054] __lock_acquire+0xab9/0xd20
[ 109.055572][ T6054] lock_acquire+0x120/0x360
[ 109.055589][ T6054] percpu_down_read_internal+0x48/0x1d0
[ 109.055610][ T6054] ext4_writepages+0x1cc/0x350
[ 109.055621][ T6054] do_writepages+0x32b/0x550
[ 109.055635][ T6054] __writeback_single_inode+0x145/0x1000
[ 109.055650][ T6054] writeback_single_inode+0x1db/0x640
[ 109.055664][ T6054] write_inode_now+0x160/0x1d0
[ 109.055677][ T6054] iput+0x830/0xc50
[ 109.055695][ T6054] ext4_xattr_block_set+0x1fce/0x2ac0
[ 109.055718][ T6054] ext4_expand_extra_isize_ea+0x12da/0x1ea0
[ 109.055738][ T6054] __ext4_expand_extra_isize+0x30d/0x400
[ 109.055758][ T6054] __ext4_mark_inode_dirty+0x46c/0x700
[ 109.055775][ T6054] ext4_evict_inode+0x80d/0xee0
[ 109.055790][ T6054] evict+0x504/0x9c0
[ 109.055802][ T6054] ext4_orphan_cleanup+0xc20/0x1460
[ 109.055818][ T6054] ext4_fill_super+0x593b/0x61f0
[ 109.055830][ T6054] get_tree_bdev_flags+0x40e/0x4d0
[ 109.055847][ T6054] vfs_get_tree+0x92/0x2b0
[ 109.055864][ T6054] do_new_mount+0x302/0xa10
[ 109.055882][ T6054] __se_sys_mount+0x313/0x410
[ 109.055900][ T6054] do_syscall_64+0xfa/0xfa0
[ 109.055915][ T6054] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 109.055930][ T6054]
[ 109.055930][ T6054] other info that might help us debug this:
[ 109.055930][ T6054]
[ 109.055936][ T6054] Chain exists of:
[ 109.055936][ T6054] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem
[ 109.055936][ T6054]
[ 109.055965][ T6054] Possible unsafe locking scenario:
[ 109.055965][ T6054]
[ 109.055970][ T6054] CPU0 CPU1
[ 109.055975][ T6054] ---- ----
[ 109.055980][ T6054] lock(&ei->xattr_sem);
[ 109.055992][ T6054] lock(jbd2_handle);
[ 109.056004][ T6054] lock(&ei->xattr_sem);
[ 109.056017][ T6054] rlock(&sbi->s_writepages_rwsem);
[ 109.056028][ T6054]
[ 109.056028][ T6054] *** DEADLOCK ***
[ 109.056028][ T6054]
[ 109.056033][ T6054] 3 locks held by syz.0.17/6054:
[ 109.056043][ T6054] #0: ffff8880387040d0 (&type->s_umount_key#27/1){+.+.}-{4:4}, at: alloc_super+0x1ba/0x9a0
[ 109.056091][ T6054] #1: ffff888038704770 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x2d6/0xee0
[ 109.056133][ T6054] #2: ffff888054c4c7c8 (&ei->xattr_sem){++++}-{4:4}, at: __ext4_mark_inode_dirty+0x3eb/0x700
[ 109.056174][ T6054]
[ 109.056174][ T6054] stack backtrace:
[ 109.056196][ T6054] CPU: 0 UID: 0 PID: 6054 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 109.056216][ T6054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 109.056233][ T6054] Call Trace:
[ 109.056243][ T6054]
[ 109.056251][ T6054] dump_stack_lvl+0x189/0x250
[ 109.056273][ T6054] ? __pfx_dump_stack_lvl+0x10/0x10
[ 109.056293][ T6054] ? __pfx__printk+0x10/0x10
[ 109.056312][ T6054] ? print_lock_name+0xde/0x100
[ 109.056333][ T6054] print_circular_bug+0x2ee/0x310
[ 109.056350][ T6054] check_noncircular+0x134/0x160
[ 109.056369][ T6054] validate_chain+0xb9b/0x2140
[ 109.056397][ T6054] ? look_up_lock_class+0x74/0x170
[ 109.056422][ T6054] ? register_lock_class+0x51/0x320
[ 109.056444][ T6054] __lock_acquire+0xab9/0xd20
[ 109.056467][ T6054] ? ext4_writepages+0x1cc/0x350
[ 109.056483][ T6054] lock_acquire+0x120/0x360
[ 109.056503][ T6054] ? ext4_writepages+0x1cc/0x350
[ 109.056520][ T6054] ? _raw_spin_unlock_irqrestore+0x85/0x110
[ 109.056537][ T6054] ? lockdep_hardirqs_on+0x9c/0x150
[ 109.056556][ T6054] percpu_down_read_internal+0x48/0x1d0
[ 109.056577][ T6054] ? ext4_writepages+0x1cc/0x350
[ 109.056593][ T6054] ext4_writepages+0x1cc/0x350
[ 109.056608][ T6054] ? __pfx_ext4_writepages+0x10/0x10
[ 109.056623][ T6054] ? rt_mutex_slowunlock+0x493/0x8a0
[ 109.056648][ T6054] ? rt_spin_unlock+0x150/0x200
[ 109.056668][ T6054] ? rt_spin_unlock+0x161/0x200
[ 109.056689][ T6054] ? __pfx_ext4_writepages+0x10/0x10
[ 109.056709][ T6054] do_writepages+0x32b/0x550
[ 109.056725][ T6054] ? reacquire_held_locks+0x127/0x1d0
[ 109.056747][ T6054] ? rt_spin_lock+0x1c1/0x3e0
[ 109.056770][ T6054] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 109.056798][ T6054] __writeback_single_inode+0x145/0x1000
[ 109.056823][ T6054] writeback_single_inode+0x1db/0x640
[ 109.056842][ T6054] write_inode_now+0x160/0x1d0
[ 109.056857][ T6054] ? __pfx_write_inode_now+0x10/0x10
[ 109.056886][ T6054] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 109.056908][ T6054] ? rt_spin_unlock+0x150/0x200
[ 109.056931][ T6054] ? rt_spin_unlock+0x161/0x200
[ 109.056953][ T6054] iput+0x830/0xc50
[ 109.056977][ T6054] ext4_xattr_block_set+0x1fce/0x2ac0
[ 109.057012][ T6054] ? __pfx_ext4_xattr_block_set+0x10/0x10
[ 109.057034][ T6054] ? ext4_xattr_block_find+0x2d4/0x350
[ 109.057057][ T6054] ext4_expand_extra_isize_ea+0x12da/0x1ea0
[ 109.057094][ T6054] __ext4_expand_extra_isize+0x30d/0x400
[ 109.057121][ T6054] __ext4_mark_inode_dirty+0x46c/0x700
[ 109.057143][ T6054] ext4_evict_inode+0x80d/0xee0
[ 109.057170][ T6054] ? __pfx_ext4_evict_inode+0x10/0x10
[ 109.057186][ T6054] ? rt_spin_unlock+0x150/0x200
[ 109.057210][ T6054] ? rt_spin_unlock+0x161/0x200
[ 109.057232][ T6054] ? __pfx_ext4_evict_inode+0x10/0x10
[ 109.057250][ T6054] evict+0x504/0x9c0
[ 109.057269][ T6054] ? __pfx_evict+0x10/0x10
[ 109.057285][ T6054] ? rt_spin_unlock+0x161/0x200
[ 109.057307][ T6054] ? iput+0x946/0xc50
[ 109.057330][ T6054] ext4_orphan_cleanup+0xc20/0x1460
[ 109.057353][ T6054] ? __pfx_ext4_orphan_cleanup+0x10/0x10
[ 109.057371][ T6054] ? ext4_register_li_request+0x640/0x720
[ 109.057394][ T6054] ? errseq_check_and_advance+0x66/0x120
[ 109.057423][ T6054] ext4_fill_super+0x593b/0x61f0
[ 109.057451][ T6054] ? __pfx_ext4_fill_super+0x10/0x10
[ 109.057465][ T6054] ? snprintf+0xda/0x120
[ 109.057486][ T6054] ? rt_spin_lock+0x1c1/0x3e0
[ 109.057510][ T6054] ? __pfx_snprintf+0x10/0x10
[ 109.057530][ T6054] ? set_blocksize+0x219/0x450
[ 109.057551][ T6054] ? rt_spin_unlock+0x150/0x200
[ 109.057579][ T6054] ? sb_set_blocksize+0x104/0x180
[ 109.057599][ T6054] ? setup_bdev_super+0x4c1/0x5b0
[ 109.057619][ T6054] get_tree_bdev_flags+0x40e/0x4d0
[ 109.057639][ T6054] ? __pfx_ext4_fill_super+0x10/0x10
[ 109.057654][ T6054] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 109.057677][ T6054] ? cap_capable+0x11f/0x460
[ 109.057699][ T6054] ? safesetid_security_capable+0xa9/0x1a0
[ 109.057724][ T6054] vfs_get_tree+0x92/0x2b0
[ 109.057744][ T6054] do_new_mount+0x302/0xa10
[ 109.057764][ T6054] ? safesetid_security_capable+0xa9/0x1a0
[ 109.057788][ T6054] ? __pfx_do_new_mount+0x10/0x10
[ 109.057809][ T6054] ? ns_capable+0x8a/0xf0
[ 109.057833][ T6054] __se_sys_mount+0x313/0x410
[ 109.057855][ T6054] ? __pfx___se_sys_mount+0x10/0x10
[ 109.057875][ T6054] ? do_syscall_64+0xbe/0xfa0
[ 109.057891][ T6054] ? __x64_sys_mount+0x20/0xc0
[ 109.057912][ T6054] do_syscall_64+0xfa/0xfa0
[ 109.057928][ T6054] ? lockdep_hardirqs_on+0x9c/0x150
[ 109.057945][ T6054] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 109.057963][ T6054] ? clear_bhb_loop+0x60/0xb0
[ 109.057982][ T6054] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 109.057999][ T6054] RIP: 0033:0x7f2dc8cf066a
[ 109.058021][ T6054] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 109.058034][ T6054] RSP: 002b:00007ffdc1f773d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 109.058052][ T6054] RAX: ffffffffffffffda RBX: 00007ffdc1f77460 RCX: 00007f2dc8cf066a
[ 109.058065][ T6054] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffdc1f77420
[ 109.058077][ T6054] RBP: 0000200000000180 R08: 00007ffdc1f77460 R09: 0000000000800700
[ 109.058087][ T6054] R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0
[ 109.058098][ T6054] R13: 00007ffdc1f77420 R14: 0000000000000473 R15: 0000200000000680
[ 109.058120][ T6054]
[ 109.118832][ T6054] ------------[ cut here ]------------
[ 109.118846][ T6054] EA inode 11 i_nlink=2
[ 109.119059][ T6054] WARNING: CPU: 1 PID: 6054 at fs/ext4/xattr.c:1058 ext4_xattr_inode_update_ref+0x51a/0x5b0
[ 109.119098][ T6054] Modules linked in:
[ 109.119115][ T6054] CPU: 1 UID: 0 PID: 6054 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 109.119134][ T6054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 109.119144][ T6054] RIP: 0010:ext4_xattr_inode_update_ref+0x51a/0x5b0
[ 109.119168][ T6054] Code: 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 06 84 c0 0f 85 80 00 00 00 41 8b 17 48 c7 c7 c0 98 ff 8a 4c 89 e6 e8 47 b8 03 ff 90 <0f> 0b 90 90 4c 8b 6c 24 28 e9 59 fe ff ff e8 93 93 46 08 44 89 f9
[ 109.119182][ T6054] RSP: 0018:ffffc90003f17100 EFLAGS: 00010246
[ 109.119196][ T6054] RAX: ab933c2d2f37cf00 RBX: 0000000000000001 RCX: ffff88801e7c1e00
[ 109.119209][ T6054] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 109.119219][ T6054] RBP: ffffc90003f171f8 R08: 0000000000000000 R09: 0000000000000000
[ 109.119230][ T6054] R10: dffffc0000000000 R11: ffffed101712487b R12: 000000000000000b
[ 109.119241][ T6054] R13: ffff888054c933b0 R14: 1ffff1100a99265c R15: ffff888054c932e0
[ 109.119254][ T6054] FS: 0000555568a3a500(0000) GS:ffff888126ccb000(0000) knlGS:0000000000000000
[ 109.119268][ T6054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 109.119280][ T6054] CR2: 000055ddaf9ec138 CR3: 000000005506e000 CR4: 00000000003526f0
[ 109.119318][ T6054] Call Trace:
[ 109.119325][ T6054]
[ 109.119332][ T6054] ? __pfx_inode_set_ctime_to_ts+0x10/0x10
[ 109.119352][ T6054] ? __pfx_ext4_xattr_inode_update_ref+0x10/0x10
[ 109.119376][ T6054] ? ext4_xattr_inode_iget+0x3d2/0x5f0
[ 109.119401][ T6054] ext4_xattr_set_entry+0xabb/0x1e20
[ 109.119430][ T6054] ext4_xattr_ibody_set+0x254/0x6a0
[ 109.119454][ T6054] ext4_expand_extra_isize_ea+0x13ad/0x1ea0
[ 109.119489][ T6054] __ext4_expand_extra_isize+0x30d/0x400
[ 109.119516][ T6054] __ext4_mark_inode_dirty+0x46c/0x700
[ 109.119599][ T6054] ext4_evict_inode+0x80d/0xee0
[ 109.119623][ T6054] ? __pfx_ext4_evict_inode+0x10/0x10
[ 109.119640][ T6054] ? rt_spin_unlock+0x150/0x200
[ 109.119672][ T6054] ? rt_spin_unlock+0x161/0x200
[ 109.119694][ T6054] ? __pfx_ext4_evict_inode+0x10/0x10
[ 109.119711][ T6054] evict+0x504/0x9c0
[ 109.119729][ T6054] ? __pfx_evict+0x10/0x10
[ 109.119744][ T6054] ? rt_spin_unlock+0x161/0x200
[ 109.119767][ T6054] ? iput+0x946/0xc50
[ 109.119790][ T6054] ext4_orphan_cleanup+0xc20/0x1460
[ 109.119813][ T6054] ? __pfx_ext4_orphan_cleanup+0x10/0x10
[ 109.119830][ T6054] ? ext4_register_li_request+0x640/0x720
[ 109.119848][ T6054] ? errseq_check_and_advance+0x66/0x120
[ 109.119871][ T6054] ext4_fill_super+0x593b/0x61f0
[ 109.119894][ T6054] ? __pfx_ext4_fill_super+0x10/0x10
[ 109.119908][ T6054] ? snprintf+0xda/0x120
[ 109.119928][ T6054] ? rt_spin_lock+0x1c1/0x3e0
[ 109.119951][ T6054] ? __pfx_snprintf+0x10/0x10
[ 109.119971][ T6054] ? set_blocksize+0x219/0x450
[ 109.119991][ T6054] ? rt_spin_unlock+0x150/0x200
[ 109.120014][ T6054] ? sb_set_blocksize+0x104/0x180
[ 109.120035][ T6054] ? setup_bdev_super+0x4c1/0x5b0
[ 109.120058][ T6054] get_tree_bdev_flags+0x40e/0x4d0
[ 109.120077][ T6054] ? __pfx_ext4_fill_super+0x10/0x10
[ 109.120091][ T6054] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 109.120110][ T6054] ? cap_capable+0x11f/0x460
[ 109.120133][ T6054] ? safesetid_security_capable+0xa9/0x1a0
[ 109.120158][ T6054] vfs_get_tree+0x92/0x2b0
[ 109.120177][ T6054] do_new_mount+0x302/0xa10
[ 109.120196][ T6054] ? safesetid_security_capable+0xa9/0x1a0
[ 109.120220][ T6054] ? __pfx_do_new_mount+0x10/0x10
[ 109.120240][ T6054] ? ns_capable+0x8a/0xf0
[ 109.120264][ T6054] __se_sys_mount+0x313/0x410
[ 109.120286][ T6054] ? __pfx___se_sys_mount+0x10/0x10
[ 109.120308][ T6054] ? do_syscall_64+0xbe/0xfa0
[ 109.120325][ T6054] ? __x64_sys_mount+0x20/0xc0
[ 109.120345][ T6054] do_syscall_64+0xfa/0xfa0
[ 109.120361][ T6054] ? lockdep_hardirqs_on+0x9c/0x150
[ 109.120378][ T6054] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 109.120394][ T6054] ? clear_bhb_loop+0x60/0xb0
[ 109.120411][ T6054] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 109.120427][ T6054] RIP: 0033:0x7f2dc8cf066a
[ 109.120442][ T6054] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 109.120458][ T6054] RSP: 002b:00007ffdc1f773d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 109.120475][ T6054] RAX: ffffffffffffffda RBX: 00007ffdc1f77460 RCX: 00007f2dc8cf066a
[ 109.120488][ T6054] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffdc1f77420
[ 109.120500][ T6054] RBP: 0000200000000180 R08: 00007ffdc1f77460 R09: 0000000000800700
[ 109.120511][ T6054] R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0
[ 109.120523][ T6054] R13: 00007ffdc1f77420 R14: 0000000000000473 R15: 0000200000000680
[ 109.120541][ T6054]
[ 109.120550][ T6054] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 109.120563][ T6054] CPU: 1 UID: 0 PID: 6054 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 109.120582][ T6054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 109.120591][ T6054] Call Trace:
[ 109.120597][ T6054]
[ 109.120604][ T6054] dump_stack_lvl+0x99/0x250
[ 109.120623][ T6054] ? __asan_memcpy+0x40/0x70
[ 109.120641][ T6054] ? __pfx_dump_stack_lvl+0x10/0x10
[ 109.120665][ T6054] ? __pfx__printk+0x10/0x10
[ 109.120689][ T6054] vpanic+0x237/0x6d0
[ 109.120704][ T6054] ? __pfx_vpanic+0x10/0x10
[ 109.120723][ T6054] panic+0xb9/0xc0
[ 109.120738][ T6054] ? __pfx_panic+0x10/0x10
[ 109.120758][ T6054] __warn+0x31b/0x4b0
[ 109.120772][ T6054] ? ext4_xattr_inode_update_ref+0x51a/0x5b0
[ 109.120796][ T6054] ? ext4_xattr_inode_update_ref+0x51a/0x5b0
[ 109.120819][ T6054] report_bug+0x2be/0x4f0
[ 109.120835][ T6054] ? ext4_xattr_inode_update_ref+0x51a/0x5b0
[ 109.120858][ T6054] ? ext4_xattr_inode_update_ref+0x51a/0x5b0
[ 109.120881][ T6054] ? ext4_xattr_inode_update_ref+0x51c/0x5b0
[ 109.120904][ T6054] handle_bug+0x84/0x160
[ 109.120924][ T6054] exc_invalid_op+0x1a/0x50
[ 109.120943][ T6054] asm_exc_invalid_op+0x1a/0x20
[ 109.120957][ T6054] RIP: 0010:ext4_xattr_inode_update_ref+0x51a/0x5b0
[ 109.120981][ T6054] Code: 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 06 84 c0 0f 85 80 00 00 00 41 8b 17 48 c7 c7 c0 98 ff 8a 4c 89 e6 e8 47 b8 03 ff 90 <0f> 0b 90 90 4c 8b 6c 24 28 e9 59 fe ff ff e8 93 93 46 08 44 89 f9
[ 109.120994][ T6054] RSP: 0018:ffffc90003f17100 EFLAGS: 00010246
[ 109.121008][ T6054] RAX: ab933c2d2f37cf00 RBX: 0000000000000001 RCX: ffff88801e7c1e00
[ 109.121020][ T6054] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 109.121030][ T6054] RBP: ffffc90003f171f8 R08: 0000000000000000 R09: 0000000000000000
[ 109.121041][ T6054] R10: dffffc0000000000 R11: ffffed101712487b R12: 000000000000000b
[ 109.121053][ T6054] R13: ffff888054c933b0 R14: 1ffff1100a99265c R15: ffff888054c932e0
[ 109.121072][ T6054] ? __pfx_inode_set_ctime_to_ts+0x10/0x10
[ 109.121091][ T6054] ? __pfx_ext4_xattr_inode_update_ref+0x10/0x10
[ 109.121116][ T6054] ? ext4_xattr_inode_iget+0x3d2/0x5f0
[ 109.121141][ T6054] ext4_xattr_set_entry+0xabb/0x1e20
[ 109.121170][ T6054] ext4_xattr_ibody_set+0x254/0x6a0
[ 109.121194][ T6054] ext4_expand_extra_isize_ea+0x13ad/0x1ea0
[ 109.121230][ T6054] __ext4_expand_extra_isize+0x30d/0x400
[ 109.121256][ T6054] __ext4_mark_inode_dirty+0x46c/0x700
[ 109.121279][ T6054] ext4_evict_inode+0x80d/0xee0
[ 109.121301][ T6054] ? __pfx_ext4_evict_inode+0x10/0x10
[ 109.121318][ T6054] ? rt_spin_unlock+0x150/0x200
[ 109.121341][ T6054] ? rt_spin_unlock+0x161/0x200
[ 109.121363][ T6054] ? __pfx_ext4_evict_inode+0x10/0x10
[ 109.121380][ T6054] evict+0x504/0x9c0
[ 109.121398][ T6054] ? __pfx_evict+0x10/0x10
[ 109.121413][ T6054] ? rt_spin_unlock+0x161/0x200
[ 109.121435][ T6054] ? iput+0x946/0xc50
[ 109.121458][ T6054] ext4_orphan_cleanup+0xc20/0x1460
[ 109.121480][ T6054] ? __pfx_ext4_orphan_cleanup+0x10/0x10
[ 109.121499][ T6054] ? ext4_register_li_request+0x640/0x720
[ 109.121516][ T6054] ? errseq_check_and_advance+0x66/0x120
[ 109.121537][ T6054] ext4_fill_super+0x593b/0x61f0
[ 109.121561][ T6054] ? __pfx_ext4_fill_super+0x10/0x10
[ 109.121574][ T6054] ? snprintf+0xda/0x120
[ 109.121594][ T6054] ? rt_spin_lock+0x1c1/0x3e0
[ 109.121617][ T6054] ? __pfx_snprintf+0x10/0x10
[ 109.121637][ T6054] ? set_blocksize+0x219/0x450
[ 109.121662][ T6054] ? rt_spin_unlock+0x150/0x200
[ 109.121685][ T6054] ? sb_set_blocksize+0x104/0x180
[ 109.121706][ T6054] ? setup_bdev_super+0x4c1/0x5b0
[ 109.121726][ T6054] get_tree_bdev_flags+0x40e/0x4d0
[ 109.121745][ T6054] ? __pfx_ext4_fill_super+0x10/0x10
[ 109.121760][ T6054] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 109.121779][ T6054] ? cap_capable+0x11f/0x460
[ 109.121800][ T6054] ? safesetid_security_capable+0xa9/0x1a0
[ 109.121828][ T6054] vfs_get_tree+0x92/0x2b0
[ 109.121847][ T6054] do_new_mount+0x302/0xa10
[ 109.121867][ T6054] ? safesetid_security_capable+0xa9/0x1a0
[ 109.121891][ T6054] ? __pfx_do_new_mount+0x10/0x10
[ 109.121911][ T6054] ? ns_capable+0x8a/0xf0
[ 109.121935][ T6054] __se_sys_mount+0x313/0x410
[ 109.121957][ T6054] ? __pfx___se_sys_mount+0x10/0x10
[ 109.121979][ T6054] ? do_syscall_64+0xbe/0xfa0
[ 109.121995][ T6054] ? __x64_sys_mount+0x20/0xc0
[ 109.122016][ T6054] do_syscall_64+0xfa/0xfa0
[ 109.122033][ T6054] ? lockdep_hardirqs_on+0x9c/0x150
[ 109.122047][ T6054] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 109.122063][ T6054] ? clear_bhb_loop+0x60/0xb0
[ 109.122081][ T6054] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 109.122097][ T6054] RIP: 0033:0x7f2dc8cf066a
[ 109.122110][ T6054] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 109.122122][ T6054] RSP: 002b:00007ffdc1f773d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 109.122139][ T6054] RAX: ffffffffffffffda RBX: 00007ffdc1f77460 RCX: 00007f2dc8cf066a
[ 109.122151][ T6054] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffdc1f77420
[ 109.122163][ T6054] RBP: 0000200000000180 R08: 00007ffdc1f77460 R09: 0000000000800700
[ 109.122175][ T6054] R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0
[ 109.122186][ T6054] R13: 00007ffdc1f77420 R14: 0000000000000473 R15: 0000200000000680
[ 109.122204][ T6054]
[ 109.122346][ T6054] Kernel Offset: disabled