no interfaces have a carrier
[ 63.915273][ T5465] 8021q: adding VLAN 0 to HW filter on device bond0
[ 63.938558][ T5465] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting crond: OK
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.167' (ED25519) to the list of known hosts.
syzkaller login: [ 92.136671][ T9] cfg80211: failed to load regulatory.db
2025/11/30 03:15:54 parsed 1 programs
[ 96.690700][ T5804] cgroup: Unknown subsys name 'net'
[ 96.982890][ T5804] cgroup: Unknown subsys name 'cpuset'
[ 97.056349][ T5804] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 99.103346][ T5804] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 105.213683][ T5842] chnl_net:caif_netlink_parms(): no params data found
[ 105.606444][ T5842] bridge0: port 1(bridge_slave_0) entered blocking state
[ 105.607936][ T5842] bridge0: port 1(bridge_slave_0) entered disabled state
[ 105.608104][ T5842] bridge_slave_0: entered allmulticast mode
[ 105.610134][ T5842] bridge_slave_0: entered promiscuous mode
[ 105.615128][ T5842] bridge0: port 2(bridge_slave_1) entered blocking state
[ 105.615318][ T5842] bridge0: port 2(bridge_slave_1) entered disabled state
[ 105.616326][ T5842] bridge_slave_1: entered allmulticast mode
[ 105.619583][ T5842] bridge_slave_1: entered promiscuous mode
[ 105.840815][ T5842] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 105.859105][ T5842] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 106.080400][ T5842] team0: Port device team_slave_0 added
[ 106.084379][ T5842] team0: Port device team_slave_1 added
[ 106.218744][ T5842] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 106.218765][ T5842] 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.
[ 106.218784][ T5842] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 106.222491][ T5842] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 106.222507][ T5842] 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.
[ 106.222532][ T5842] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 106.393805][ T5842] hsr_slave_0: entered promiscuous mode
[ 106.395055][ T5842] hsr_slave_1: entered promiscuous mode
[ 106.821844][ T5842] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 106.844670][ T5842] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 106.881704][ T5842] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 106.920948][ T5842] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 107.191341][ T5842] 8021q: adding VLAN 0 to HW filter on device bond0
[ 107.215989][ T5842] 8021q: adding VLAN 0 to HW filter on device team0
[ 107.223203][ T1131] bridge0: port 1(bridge_slave_0) entered blocking state
[ 107.223995][ T1131] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 107.265001][ T1131] bridge0: port 2(bridge_slave_1) entered blocking state
[ 107.265153][ T1131] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 107.529807][ T5842] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 107.589276][ T5842] veth0_vlan: entered promiscuous mode
[ 107.604646][ T5842] veth1_vlan: entered promiscuous mode
[ 107.642040][ T5842] veth0_macvtap: entered promiscuous mode
[ 107.653007][ T5842] veth1_macvtap: entered promiscuous mode
[ 107.680780][ T5842] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 107.693688][ T5842] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 107.711205][ T1131] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 107.713025][ T1131] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 107.714316][ T1131] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 107.714635][ T1131] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 108.530553][ T1387] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 108.769257][ T1387] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 109.010325][ T5119] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 109.011916][ T5119] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 109.012636][ T5119] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 109.014061][ T5119] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 109.014816][ T5119] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 109.258780][ T1387] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 109.670432][ T70] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 109.670464][ T70] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 109.733871][ T1131] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 109.733893][ T1131] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 110.133490][ T1387] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 110.983457][ T1387] bridge_slave_1: left allmulticast mode
[ 110.983549][ T1387] bridge_slave_1: left promiscuous mode
[ 110.985073][ T1387] bridge0: port 2(bridge_slave_1) entered disabled state
[ 111.104079][ T1387] bridge_slave_0: left allmulticast mode
[ 111.104110][ T1387] bridge_slave_0: left promiscuous mode
[ 111.104353][ T1387] bridge0: port 1(bridge_slave_0) entered disabled state
[ 112.866440][ T1387] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 112.927235][ T1387] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 112.978139][ T1387] bond0 (unregistering): Released all slaves
[ 113.332679][ T1387] hsr_slave_0: left promiscuous mode
[ 113.375606][ T1387] hsr_slave_1: left promiscuous mode
[ 113.377991][ T1387] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 113.378061][ T1387] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 113.437639][ T1387] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 113.437670][ T1387] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 113.557420][ T1387] veth1_macvtap: left promiscuous mode
[ 113.557675][ T1387] veth0_macvtap: left promiscuous mode
[ 113.557982][ T1387] veth1_vlan: left promiscuous mode
[ 113.561727][ T1387] veth0_vlan: left promiscuous mode
[ 115.656370][ T1387] team0 (unregistering): Port device team_slave_1 removed
[ 115.876463][ T1387] team0 (unregistering): Port device team_slave_0 removed
2025/11/30 03:16:21 executed programs: 0
[ 120.103072][ T5119] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 120.118588][ T5119] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 120.119703][ T5119] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 120.127875][ T5119] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 120.128861][ T5119] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 120.584947][ T5972] chnl_net:caif_netlink_parms(): no params data found
[ 120.939477][ T5972] bridge0: port 1(bridge_slave_0) entered blocking state
[ 120.939577][ T5972] bridge0: port 1(bridge_slave_0) entered disabled state
[ 120.939880][ T5972] bridge_slave_0: entered allmulticast mode
[ 120.942104][ T5972] bridge_slave_0: entered promiscuous mode
[ 120.944434][ T5972] bridge0: port 2(bridge_slave_1) entered blocking state
[ 120.944524][ T5972] bridge0: port 2(bridge_slave_1) entered disabled state
[ 120.944692][ T5972] bridge_slave_1: entered allmulticast mode
[ 120.949191][ T5972] bridge_slave_1: entered promiscuous mode
[ 121.123876][ T5972] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 121.128840][ T5972] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 121.349932][ T5972] team0: Port device team_slave_0 added
[ 121.365283][ T5972] team0: Port device team_slave_1 added
[ 122.040730][ T5972] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 122.040748][ T5972] 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.
[ 122.040773][ T5972] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 122.098566][ T5972] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 122.098584][ T5972] 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.
[ 122.098611][ T5972] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 122.208303][ T5119] Bluetooth: hci0: command tx timeout
[ 122.775102][ T5972] hsr_slave_0: entered promiscuous mode
[ 122.782669][ T5972] hsr_slave_1: entered promiscuous mode
[ 124.299240][ T5119] Bluetooth: hci0: command tx timeout
[ 124.974645][ T5972] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 125.000826][ T5972] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 125.040946][ T5972] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 125.082902][ T5972] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 125.249986][ T5972] 8021q: adding VLAN 0 to HW filter on device bond0
[ 125.276950][ T5972] 8021q: adding VLAN 0 to HW filter on device team0
[ 125.285419][ T1158] bridge0: port 1(bridge_slave_0) entered blocking state
[ 125.287212][ T1158] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 125.302061][ T70] bridge0: port 2(bridge_slave_1) entered blocking state
[ 125.303242][ T70] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 125.662231][ T5972] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 125.734728][ T5972] veth0_vlan: entered promiscuous mode
[ 125.749689][ T5972] veth1_vlan: entered promiscuous mode
[ 125.798427][ T5972] veth0_macvtap: entered promiscuous mode
[ 125.804382][ T5972] veth1_macvtap: entered promiscuous mode
[ 125.834615][ T5972] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 125.851986][ T5972] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 125.878326][ T70] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 125.878641][ T70] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 125.878901][ T70] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 125.878956][ T70] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 126.159718][ T1158] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 126.159744][ T1158] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 126.243903][ T70] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 126.243937][ T70] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2025/11/30 03:16:27 executed programs: 2
[ 126.365653][ T5119] Bluetooth: hci0: command tx timeout
[ 126.431484][ T6063] loop0: detected capacity change from 0 to 512
[ 126.542724][ T6063]
[ 126.542736][ T6063] ======================================================
[ 126.542745][ T6063] WARNING: possible circular locking dependency detected
[ 126.542762][ T6063] syzkaller #0 Not tainted
[ 126.542773][ T6063] ------------------------------------------------------
[ 126.542781][ T6063] syz.0.17/6063 is trying to acquire lock:
[ 126.542793][ T6063] ffff88803[ 126.542793][ T6063] ffff88803757cc58 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x1cc/0x350
[ 126.542862][ T6063]
[ 126.542862][ T6063] but task is already holding lock:
[ 126.542869][ T6063] ffff88805717d3a0 (&ei->xattr_sem){++++}-{4:4}, at: __ext4_mark_inode_dirty+0x3eb/0x700
[ 126.542920][ T6063]
[ 126.542920][ T6063] which lock already depends on the new lock.
[ 126.542920][ T6063]
[ 126.542927][ T6063]
[ 126.542927][ T6063] the existing dependency chain (in reverse order) is:
[ 126.542935][ T6063]
[ 126.542935][ T6063] -> #2 (&ei->xattr_sem){++++}-{4:4}:
[ 126.542963][ T6063] lock_acquire+0x120/0x360
[ 126.542991][ T6063] down_write+0x3a/0x50
[ 126.543009][ T6063] ext4_xattr_set_handle+0x165/0x1590
[ 126.543039][ T6063] ext4_initxattrs+0x9f/0x110
[ 126.543062][ T6063] security_inode_init_security+0x2a0/0x3f0
[ 126.543091][ T6063] __ext4_new_inode+0x3314/0x3cb0
[ 126.543122][ T6063] ext4_create+0x22d/0x460
[ 126.543152][ T6063] path_openat+0x1500/0x3840
[ 126.543174][ T6063] do_filp_open+0x1fa/0x410
[ 126.543194][ T6063] do_sys_openat2+0x121/0x1c0
[ 126.543213][ T6063] __x64_sys_openat+0x138/0x170
[ 126.543232][ T6063] do_syscall_64+0xfa/0xfa0
[ 126.543261][ T6063] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 126.543281][ T6063]
[ 126.543281][ T6063] -> #1 (jbd2_handle){++++}-{0:0}:
[ 126.543309][ T6063] lock_acquire+0x120/0x360
[ 126.543334][ T6063] start_this_handle+0x1fa7/0x21c0
[ 126.543360][ T6063] jbd2__journal_start+0x2c1/0x5b0
[ 126.543386][ T6063] __ext4_journal_start_sb+0x227/0x5c0
[ 126.543417][ T6063] ext4_do_writepages+0xf6f/0x4600
[ 126.543444][ T6063] ext4_writepages+0x205/0x350
[ 126.543463][ T6063] do_writepages+0x32e/0x550
[ 126.543482][ T6063] file_write_and_wait_range+0x244/0x340
[ 126.543506][ T6063] ext4_sync_file+0x2b4/0xb20
[ 126.543532][ T6063] __x64_sys_fsync+0x194/0x1f0
[ 126.543549][ T6063] do_syscall_64+0xfa/0xfa0
[ 126.543576][ T6063] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 126.543594][ T6063]
[ 126.543594][ T6063] -> #0 (&sbi->s_writepages_rwsem){++++}-{0:0}:
[ 126.543623][ T6063] validate_chain+0xb9b/0x2140
[ 126.543640][ T6063] __lock_acquire+0xab9/0xd20
[ 126.543665][ T6063] lock_acquire+0x120/0x360
[ 126.543690][ T6063] percpu_down_read_internal+0x48/0x1d0
[ 126.543709][ T6063] ext4_writepages+0x1cc/0x350
[ 126.543727][ T6063] do_writepages+0x32e/0x550
[ 126.543746][ T6063] __writeback_single_inode+0x145/0x1000
[ 126.543771][ T6063] writeback_single_inode+0x1db/0x640
[ 126.543791][ T6063] write_inode_now+0x160/0x1d0
[ 126.543810][ T6063] iput+0x830/0xc50
[ 126.543837][ T6063] ext4_xattr_block_set+0x1fce/0x2ac0
[ 126.543866][ T6063] ext4_expand_extra_isize_ea+0x12da/0x1ea0
[ 126.543897][ T6063] __ext4_expand_extra_isize+0x30d/0x400
[ 126.543916][ T6063] __ext4_mark_inode_dirty+0x46c/0x700
[ 126.543940][ T6063] ext4_evict_inode+0x80d/0xee0
[ 126.543963][ T6063] evict+0x504/0x9c0
[ 126.543982][ T6063] ext4_orphan_cleanup+0xc20/0x1460
[ 126.544005][ T6063] ext4_fill_super+0x593b/0x61f0
[ 126.544024][ T6063] get_tree_bdev_flags+0x40e/0x4d0
[ 126.544050][ T6063] vfs_get_tree+0x92/0x2b0
[ 126.544074][ T6063] do_new_mount+0x302/0xa10
[ 126.544099][ T6063] __se_sys_mount+0x313/0x410
[ 126.544124][ T6063] do_syscall_64+0xfa/0xfa0
[ 126.544157][ T6063] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 126.544177][ T6063]
[ 126.544177][ T6063] other info that might help us debug this:
[ 126.544177][ T6063]
[ 126.544184][ T6063] Chain exists of:
[ 126.544184][ T6063] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem
[ 126.544184][ T6063]
[ 126.544219][ T6063] Possible unsafe locking scenario:
[ 126.544219][ T6063]
[ 126.544225][ T6063] CPU0 CPU1
[ 126.544232][ T6063] ---- ----
[ 126.544238][ T6063] lock(&ei->xattr_sem);
[ 126.544252][ T6063] lock(jbd2_handle);
[ 126.544267][ T6063] lock(&ei->xattr_sem);
[ 126.544283][ T6063] rlock(&sbi->s_writepages_rwsem);
[ 126.544297][ T6063]
[ 126.544297][ T6063] *** DEADLOCK ***
[ 126.544297][ T6063]
[ 126.544303][ T6063] 3 locks held by syz.0.17/6063:
[ 126.544315][ T6063] #0: ffff88803757a0d0 (&type->s_umount_key#26/1){+.+.}-{4:4}, at: alloc_super+0x1ba/0x9a0
[ 126.544377][ T6063] #1: ffff88803757a770 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x2d6/0xee0
[ 126.544431][ T6063] #2: ffff88805717d3a0 (&ei->xattr_sem){++++}-{4:4}, at: __ext4_mark_inode_dirty+0x3eb/0x700
[ 126.544486][ T6063]
[ 126.544486][ T6063] stack backtrace:
[ 126.544511][ T6063] CPU: 1 UID: 0 PID: 6063 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 126.544536][ T6063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 126.544556][ T6063] Call Trace:
[ 126.544567][ T6063]
[ 126.544576][ T6063] dump_stack_lvl+0x189/0x250
[ 126.544611][ T6063] ? __pfx_dump_stack_lvl+0x10/0x10
[ 126.544643][ T6063] ? __pfx__printk+0x10/0x10
[ 126.544668][ T6063] ? print_lock_name+0xde/0x100
[ 126.544693][ T6063] print_circular_bug+0x2ee/0x310
[ 126.544716][ T6063] check_noncircular+0x134/0x160
[ 126.544740][ T6063] validate_chain+0xb9b/0x2140
[ 126.544765][ T6063] ? look_up_lock_class+0x74/0x170
[ 126.544796][ T6063] ? register_lock_class+0x51/0x320
[ 126.544826][ T6063] __lock_acquire+0xab9/0xd20
[ 126.544857][ T6063] ? ext4_writepages+0x1cc/0x350
[ 126.544878][ T6063] lock_acquire+0x120/0x360
[ 126.544905][ T6063] ? ext4_writepages+0x1cc/0x350
[ 126.544929][ T6063] ? _raw_spin_unlock_irqrestore+0x85/0x110
[ 126.544962][ T6063] ? lockdep_hardirqs_on+0x9c/0x150
[ 126.544995][ T6063] percpu_down_read_internal+0x48/0x1d0
[ 126.545016][ T6063] ? ext4_writepages+0x1cc/0x350
[ 126.545038][ T6063] ext4_writepages+0x1cc/0x350
[ 126.545061][ T6063] ? __pfx_ext4_writepages+0x10/0x10
[ 126.545082][ T6063] ? rt_mutex_slowunlock+0x493/0x8a0
[ 126.545113][ T6063] ? rt_spin_unlock+0x150/0x200
[ 126.545140][ T6063] ? rt_spin_unlock+0x161/0x200
[ 126.545170][ T6063] ? __pfx_ext4_writepages+0x10/0x10
[ 126.545193][ T6063] do_writepages+0x32e/0x550
[ 126.545216][ T6063] ? reacquire_held_locks+0x127/0x1d0
[ 126.545249][ T6063] ? rt_spin_lock+0x1c1/0x3e0
[ 126.545275][ T6063] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 126.545305][ T6063] __writeback_single_inode+0x145/0x1000
[ 126.545336][ T6063] writeback_single_inode+0x1db/0x640
[ 126.545362][ T6063] write_inode_now+0x160/0x1d0
[ 126.545384][ T6063] ? __pfx_write_inode_now+0x10/0x10
[ 126.545423][ T6063] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 126.545453][ T6063] ? rt_spin_unlock+0x150/0x200
[ 126.545480][ T6063] ? rt_spin_unlock+0x161/0x200
[ 126.545507][ T6063] iput+0x830/0xc50
[ 126.545541][ T6063] ext4_xattr_block_set+0x1fce/0x2ac0
[ 126.545590][ T6063] ? __pfx_ext4_xattr_block_set+0x10/0x10
[ 126.545624][ T6063] ? ext4_xattr_block_find+0x2d4/0x350
[ 126.545657][ T6063] ext4_expand_extra_isize_ea+0x12da/0x1ea0
[ 126.545709][ T6063] __ext4_expand_extra_isize+0x30d/0x400
[ 126.545735][ T6063] __ext4_mark_inode_dirty+0x46c/0x700
[ 126.545767][ T6063] ext4_evict_inode+0x80d/0xee0
[ 126.545798][ T6063] ? __pfx_ext4_evict_inode+0x10/0x10
[ 126.545840][ T6063] ? rt_spin_unlock+0x150/0x200
[ 126.545867][ T6063] ? rt_spin_unlock+0x161/0x200
[ 126.545893][ T6063] ? __pfx_ext4_evict_inode+0x10/0x10
[ 126.545918][ T6063] evict+0x504/0x9c0
[ 126.545945][ T6063] ? __pfx_evict+0x10/0x10
[ 126.545967][ T6063] ? rt_spin_unlock+0x161/0x200
[ 126.545994][ T6063] ? iput+0x946/0xc50
[ 126.546027][ T6063] ext4_orphan_cleanup+0xc20/0x1460
[ 126.546059][ T6063] ? __pfx_ext4_orphan_cleanup+0x10/0x10
[ 126.546085][ T6063] ? ext4_register_li_request+0x640/0x720
[ 126.546110][ T6063] ? errseq_check_and_advance+0x66/0x120
[ 126.546138][ T6063] ext4_fill_super+0x593b/0x61f0
[ 126.546178][ T6063] ? __pfx_ext4_fill_super+0x10/0x10
[ 126.546198][ T6063] ? snprintf+0xda/0x120
[ 126.546220][ T6063] ? rt_spin_lock+0x1c1/0x3e0
[ 126.546248][ T6063] ? __pfx_snprintf+0x10/0x10
[ 126.546270][ T6063] ? set_blocksize+0x219/0x450
[ 126.546300][ T6063] ? rt_spin_unlock+0x150/0x200
[ 126.546327][ T6063] ? sb_set_blocksize+0x104/0x180
[ 126.546359][ T6063] ? setup_bdev_super+0x4c1/0x5b0
[ 126.546388][ T6063] get_tree_bdev_flags+0x40e/0x4d0
[ 126.546415][ T6063] ? __pfx_ext4_fill_super+0x10/0x10
[ 126.546436][ T6063] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 126.546464][ T6063] ? cap_capable+0x11f/0x460
[ 126.546484][ T6063] ? safesetid_security_capable+0xa9/0x1a0
[ 126.546508][ T6063] vfs_get_tree+0x92/0x2b0
[ 126.546536][ T6063] do_new_mount+0x302/0xa10
[ 126.546564][ T6063] ? safesetid_security_capable+0xa9/0x1a0
[ 126.546587][ T6063] ? __pfx_do_new_mount+0x10/0x10
[ 126.546616][ T6063] ? ns_capable+0x8a/0xf0
[ 126.546650][ T6063] __se_sys_mount+0x313/0x410
[ 126.546683][ T6063] ? __pfx___se_sys_mount+0x10/0x10
[ 126.546715][ T6063] ? do_syscall_64+0xbe/0xfa0
[ 126.546745][ T6063] ? __x64_sys_mount+0x20/0xc0
[ 126.546775][ T6063] do_syscall_64+0xfa/0xfa0
[ 126.546806][ T6063] ? lockdep_hardirqs_on+0x9c/0x150
[ 126.546835][ T6063] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 126.546857][ T6063] ? clear_bhb_loop+0x60/0xb0
[ 126.546880][ T6063] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 126.546901][ T6063] RIP: 0033:0x7fecfdeb0eea
[ 126.546926][ T6063] 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
[ 126.546943][ T6063] RSP: 002b:00007ffead493ae8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 126.546964][ T6063] RAX: ffffffffffffffda RBX: 00007ffead493b70 RCX: 00007fecfdeb0eea
[ 126.546978][ T6063] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffead493b30
[ 126.546993][ T6063] RBP: 0000200000000180 R08: 00007ffead493b70 R09: 0000000000800700
[ 126.547008][ T6063] R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0
[ 126.547022][ T6063] R13: 00007ffead493b30 R14: 000000000000046f R15: 0000200000000200
[ 126.547046][ T6063]
[ 126.579218][ T6063] ------------[ cut here ]------------
[ 126.579232][ T6063] EA inode 11 i_nlink=2
[ 126.579602][ T6063] WARNING: CPU: 1 PID: 6063 at fs/ext4/xattr.c:1058 ext4_xattr_inode_update_ref+0x51a/0x5b0
[ 126.579644][ T6063] Modules linked in:
[ 126.579666][ T6063] CPU: 1 UID: 0 PID: 6063 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 126.579694][ T6063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 126.579707][ T6063] RIP: 0010:ext4_xattr_inode_update_ref+0x51a/0x5b0
[ 126.579733][ T6063] 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 40 9b ff 8a 4c 89 e6 e8 07 8e 03 ff 90 <0f> 0b 90 90 4c 8b 6c 24 28 e9 59 fe ff ff e8 83 4a 41 08 44 89 f9
[ 126.579752][ T6063] RSP: 0018:ffffc90003da7100 EFLAGS: 00010246
[ 126.579772][ T6063] RAX: e524a959c33bec00 RBX: 0000000000000001 RCX: ffff888024863c00
[ 126.579790][ T6063] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 126.579804][ T6063] RBP: ffffc90003da71f8 R08: 0000000000000000 R09: 0000000000000000
[ 126.579819][ T6063] R10: dffffc0000000000 R11: ffffed101712487b R12: 000000000000000b
[ 126.579835][ T6063] R13: ffff888041865738 R14: 1ffff1100830cacd R15: ffff888041865668
[ 126.579854][ T6063] FS: 0000555578771500(0000) GS:ffff888126ef4000(0000) knlGS:0000000000000000
[ 126.579874][ T6063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 126.579890][ T6063] CR2: 00007fd7fe5c5000 CR3: 0000000054ff2000 CR4: 00000000003526f0
[ 126.579911][ T6063] Call Trace:
[ 126.579919][ T6063]
[ 126.579929][ T6063] ? __pfx_inode_set_ctime_to_ts+0x10/0x10
[ 126.579959][ T6063] ? __pfx_ext4_xattr_inode_update_ref+0x10/0x10
[ 126.579985][ T6063] ? ext4_xattr_inode_iget+0x3d2/0x5f0
[ 126.580027][ T6063] ext4_xattr_set_entry+0xabb/0x1e20
[ 126.580082][ T6063] ext4_xattr_ibody_set+0x254/0x6a0
[ 126.580122][ T6063] ext4_expand_extra_isize_ea+0x13ad/0x1ea0
[ 126.580186][ T6063] __ext4_expand_extra_isize+0x30d/0x400
[ 126.580215][ T6063] __ext4_mark_inode_dirty+0x46c/0x700
[ 126.580252][ T6063] ext4_evict_inode+0x80d/0xee0
[ 126.580287][ T6063] ? __pfx_ext4_evict_inode+0x10/0x10
[ 126.580313][ T6063] ? rt_spin_unlock+0x150/0x200
[ 126.580344][ T6063] ? rt_spin_unlock+0x161/0x200
[ 126.580372][ T6063] ? __pfx_ext4_evict_inode+0x10/0x10
[ 126.580400][ T6063] evict+0x504/0x9c0
[ 126.580430][ T6063] ? __pfx_evict+0x10/0x10
[ 126.580453][ T6063] ? rt_spin_unlock+0x161/0x200
[ 126.580482][ T6063] ? iput+0x946/0xc50
[ 126.580518][ T6063] ext4_orphan_cleanup+0xc20/0x1460
[ 126.580553][ T6063] ? __pfx_ext4_orphan_cleanup+0x10/0x10
[ 126.580582][ T6063] ? ext4_register_li_request+0x640/0x720
[ 126.580609][ T6063] ? errseq_check_and_advance+0x66/0x120
[ 126.580639][ T6063] ext4_fill_super+0x593b/0x61f0
[ 126.580674][ T6063] ? __pfx_ext4_fill_super+0x10/0x10
[ 126.580697][ T6063] ? snprintf+0xda/0x120
[ 126.580721][ T6063] ? rt_spin_lock+0x1c1/0x3e0
[ 126.580752][ T6063] ? __pfx_snprintf+0x10/0x10
[ 126.580775][ T6063] ? set_blocksize+0x219/0x450
[ 126.580809][ T6063] ? rt_spin_unlock+0x150/0x200
[ 126.580838][ T6063] ? sb_set_blocksize+0x104/0x180
[ 126.580874][ T6063] ? setup_bdev_super+0x4c1/0x5b0
[ 126.580905][ T6063] get_tree_bdev_flags+0x40e/0x4d0
[ 126.580934][ T6063] ? __pfx_ext4_fill_super+0x10/0x10
[ 126.580957][ T6063] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 126.580987][ T6063] ? cap_capable+0x11f/0x460
[ 126.581009][ T6063] ? safesetid_security_capable+0xa9/0x1a0
[ 126.581036][ T6063] vfs_get_tree+0x92/0x2b0
[ 126.581068][ T6063] do_new_mount+0x302/0xa10
[ 126.581099][ T6063] ? safesetid_security_capable+0xa9/0x1a0
[ 126.581126][ T6063] ? __pfx_do_new_mount+0x10/0x10
[ 126.581163][ T6063] ? ns_capable+0x8a/0xf0
[ 126.581200][ T6063] __se_sys_mount+0x313/0x410
[ 126.581236][ T6063] ? __pfx___se_sys_mount+0x10/0x10
[ 126.581271][ T6063] ? do_syscall_64+0xbe/0xfa0
[ 126.581302][ T6063] ? __x64_sys_mount+0x20/0xc0
[ 126.581336][ T6063] do_syscall_64+0xfa/0xfa0
[ 126.581370][ T6063] ? lockdep_hardirqs_on+0x9c/0x150
[ 126.581403][ T6063] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 126.581426][ T6063] ? clear_bhb_loop+0x60/0xb0
[ 126.581453][ T6063] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 126.581475][ T6063] RIP: 0033:0x7fecfdeb0eea
[ 126.581496][ T6063] 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
[ 126.581515][ T6063] RSP: 002b:00007ffead493ae8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 126.581537][ T6063] RAX: ffffffffffffffda RBX: 00007ffead493b70 RCX: 00007fecfdeb0eea
[ 126.581555][ T6063] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffead493b30
[ 126.581572][ T6063] RBP: 0000200000000180 R08: 00007ffead493b70 R09: 0000000000800700
[ 126.581587][ T6063] R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0
[ 126.581601][ T6063] R13: 00007ffead493b30 R14: 000000000000046f R15: 0000200000000200
[ 126.581628][ T6063]
[ 126.581639][ T6063] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 126.581658][ T6063] CPU: 1 UID: 0 PID: 6063 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 126.581685][ T6063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 126.581700][ T6063] Call Trace:
[ 126.581708][ T6063]
[ 126.581717][ T6063] dump_stack_lvl+0x99/0x250
[ 126.581753][ T6063] ? __asan_memcpy+0x40/0x70
[ 126.581781][ T6063] ? __pfx_dump_stack_lvl+0x10/0x10
[ 126.581816][ T6063] ? __pfx__printk+0x10/0x10
[ 126.581851][ T6063] vpanic+0x237/0x6d0
[ 126.581872][ T6063] ? __pfx_vpanic+0x10/0x10
[ 126.581900][ T6063] panic+0xb9/0xc0
[ 126.581920][ T6063] ? __pfx_panic+0x10/0x10
[ 126.581950][ T6063] __warn+0x31b/0x4b0
[ 126.581970][ T6063] ? ext4_xattr_inode_update_ref+0x51a/0x5b0
[ 126.581996][ T6063] ? ext4_xattr_inode_update_ref+0x51a/0x5b0
[ 126.582018][ T6063] report_bug+0x2be/0x4f0
[ 126.582051][ T6063] ? ext4_xattr_inode_update_ref+0x51a/0x5b0
[ 126.582073][ T6063] ? ext4_xattr_inode_update_ref+0x51a/0x5b0
[ 126.582096][ T6063] ? ext4_xattr_inode_update_ref+0x51c/0x5b0
[ 126.582118][ T6063] handle_bug+0x84/0x160
[ 126.582148][ T6063] exc_invalid_op+0x1a/0x50
[ 126.582172][ T6063] asm_exc_invalid_op+0x1a/0x20
[ 126.582193][ T6063] RIP: 0010:ext4_xattr_inode_update_ref+0x51a/0x5b0
[ 126.582218][ T6063] 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 40 9b ff 8a 4c 89 e6 e8 07 8e 03 ff 90 <0f> 0b 90 90 4c 8b 6c 24 28 e9 59 fe ff ff e8 83 4a 41 08 44 89 f9
[ 126.582237][ T6063] RSP: 0018:ffffc90003da7100 EFLAGS: 00010246
[ 126.582256][ T6063] RAX: e524a959c33bec00 RBX: 0000000000000001 RCX: ffff888024863c00
[ 126.582273][ T6063] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 126.582286][ T6063] RBP: ffffc90003da71f8 R08: 0000000000000000 R09: 0000000000000000
[ 126.582302][ T6063] R10: dffffc0000000000 R11: ffffed101712487b R12: 000000000000000b
[ 126.582319][ T6063] R13: ffff888041865738 R14: 1ffff1100830cacd R15: ffff888041865668
[ 126.582347][ T6063] ? __pfx_inode_set_ctime_to_ts+0x10/0x10
[ 126.582375][ T6063] ? __pfx_ext4_xattr_inode_update_ref+0x10/0x10
[ 126.582401][ T6063] ? ext4_xattr_inode_iget+0x3d2/0x5f0
[ 126.582440][ T6063] ext4_xattr_set_entry+0xabb/0x1e20
[ 126.582487][ T6063] ext4_xattr_ibody_set+0x254/0x6a0
[ 126.582525][ T6063] ext4_expand_extra_isize_ea+0x13ad/0x1ea0
[ 126.582583][ T6063] __ext4_expand_extra_isize+0x30d/0x400
[ 126.582611][ T6063] __ext4_mark_inode_dirty+0x46c/0x700
[ 126.582647][ T6063] ext4_evict_inode+0x80d/0xee0
[ 126.582680][ T6063] ? __pfx_ext4_evict_inode+0x10/0x10
[ 126.582707][ T6063] ? rt_spin_unlock+0x150/0x200
[ 126.582738][ T6063] ? rt_spin_unlock+0x161/0x200
[ 126.582764][ T6063] ? __pfx_ext4_evict_inode+0x10/0x10
[ 126.582787][ T6063] evict+0x504/0x9c0
[ 126.582810][ T6063] ? __pfx_evict+0x10/0x10
[ 126.582831][ T6063] ? rt_spin_unlock+0x161/0x200
[ 126.582855][ T6063] ? iput+0x946/0xc50
[ 126.582886][ T6063] ext4_orphan_cleanup+0xc20/0x1460
[ 126.582919][ T6063] ? __pfx_ext4_orphan_cleanup+0x10/0x10
[ 126.582948][ T6063] ? ext4_register_li_request+0x640/0x720
[ 126.582975][ T6063] ? errseq_check_and_advance+0x66/0x120
[ 126.583004][ T6063] ext4_fill_super+0x593b/0x61f0
[ 126.583040][ T6063] ? __pfx_ext4_fill_super+0x10/0x10
[ 126.583063][ T6063] ? snprintf+0xda/0x120
[ 126.583088][ T6063] ? rt_spin_lock+0x1c1/0x3e0
[ 126.583119][ T6063] ? __pfx_snprintf+0x10/0x10
[ 126.583153][ T6063] ? set_blocksize+0x219/0x450
[ 126.583187][ T6063] ? rt_spin_unlock+0x150/0x200
[ 126.583216][ T6063] ? sb_set_blocksize+0x104/0x180
[ 126.583251][ T6063] ? setup_bdev_super+0x4c1/0x5b0
[ 126.583282][ T6063] get_tree_bdev_flags+0x40e/0x4d0
[ 126.583311][ T6063] ? __pfx_ext4_fill_super+0x10/0x10
[ 126.583336][ T6063] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 126.583365][ T6063] ? cap_capable+0x11f/0x460
[ 126.583386][ T6063] ? safesetid_security_capable+0xa9/0x1a0
[ 126.583413][ T6063] vfs_get_tree+0x92/0x2b0
[ 126.583446][ T6063] do_new_mount+0x302/0xa10
[ 126.583476][ T6063] ? safesetid_security_capable+0xa9/0x1a0
[ 126.583502][ T6063] ? __pfx_do_new_mount+0x10/0x10
[ 126.583533][ T6063] ? ns_capable+0x8a/0xf0
[ 126.583570][ T6063] __se_sys_mount+0x313/0x410
[ 126.583605][ T6063] ? __pfx___se_sys_mount+0x10/0x10
[ 126.583640][ T6063] ? do_syscall_64+0xbe/0xfa0
[ 126.583674][ T6063] ? __x64_sys_mount+0x20/0xc0
[ 126.583706][ T6063] do_syscall_64+0xfa/0xfa0
[ 126.583739][ T6063] ? lockdep_hardirqs_on+0x9c/0x150
[ 126.583771][ T6063] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 126.583795][ T6063] ? clear_bhb_loop+0x60/0xb0
[ 126.583822][ T6063] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 126.583844][ T6063] RIP: 0033:0x7fecfdeb0eea
[ 126.583862][ T6063] 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
[ 126.583881][ T6063] RSP: 002b:00007ffead493ae8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 126.583904][ T6063] RAX: ffffffffffffffda RBX: 00007ffead493b70 RCX: 00007fecfdeb0eea
[ 126.583922][ T6063] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffead493b30
[ 126.583939][ T6063] RBP: 0000200000000180 R08: 00007ffead493b70 R09: 0000000000800700
[ 126.583956][ T6063] R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0
[ 126.583970][ T6063] R13: 00007ffead493b30 R14: 000000000000046f R15: 0000200000000200
[ 126.583997][ T6063]
[ 126.584375][ T6063] Kernel Offset: disabled