Warning: Permanently added '10.128.1.255' (ED25519) to the list of known hosts. 2025/11/08 17:10:41 parsed 1 programs [ 109.864406][ T5817] cgroup: Unknown subsys name 'net' [ 110.106061][ T5817] cgroup: Unknown subsys name 'cpuset' [ 110.160229][ T5817] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 112.341540][ T5817] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 115.620150][ T61] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 115.622906][ T61] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 115.623682][ T61] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 115.625276][ T61] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 115.626061][ T61] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 118.643622][ T5849] chnl_net:caif_netlink_parms(): no params data found [ 119.112209][ T5849] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.114325][ T5849] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.114539][ T5849] bridge_slave_0: entered allmulticast mode [ 119.117110][ T5849] bridge_slave_0: entered promiscuous mode [ 119.127446][ T5849] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.127704][ T5849] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.127950][ T5849] bridge_slave_1: entered allmulticast mode [ 119.132864][ T5849] bridge_slave_1: entered promiscuous mode [ 119.354576][ T5849] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 119.358116][ T5849] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 119.513085][ T5849] team0: Port device team_slave_0 added [ 119.516775][ T5849] team0: Port device team_slave_1 added [ 119.823870][ T5849] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 119.823889][ T5849] 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. [ 119.823911][ T5849] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 119.828007][ T5849] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 119.828022][ T5849] 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. [ 119.828042][ T5849] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 120.078939][ T5849] hsr_slave_0: entered promiscuous mode [ 120.080494][ T5849] hsr_slave_1: entered promiscuous mode [ 120.478245][ T5849] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 120.515096][ T5849] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 120.554757][ T5849] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 120.595071][ T5849] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 120.824089][ T5849] 8021q: adding VLAN 0 to HW filter on device bond0 [ 120.855769][ T5849] 8021q: adding VLAN 0 to HW filter on device team0 [ 120.873357][ T990] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.874034][ T990] bridge0: port 1(bridge_slave_0) entered forwarding state [ 120.897874][ T3643] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.898044][ T3643] bridge0: port 2(bridge_slave_1) entered forwarding state [ 121.212118][ T5849] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 121.284393][ T5849] veth0_vlan: entered promiscuous mode [ 121.296265][ T5849] veth1_vlan: entered promiscuous mode [ 121.343830][ T5849] veth0_macvtap: entered promiscuous mode [ 121.348685][ T5849] veth1_macvtap: entered promiscuous mode [ 121.378297][ T5849] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 121.392211][ T5849] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 121.417317][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.421778][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.424467][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.434590][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 122.204727][ T3601] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 122.413223][ T3601] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 123.055020][ T3601] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 123.886874][ T3601] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 124.534426][ T3601] bridge_slave_1: left allmulticast mode [ 124.534676][ T3601] bridge_slave_1: left promiscuous mode [ 124.537309][ T3601] bridge0: port 2(bridge_slave_1) entered disabled state [ 124.700716][ T3601] bridge_slave_0: left allmulticast mode [ 124.700757][ T3601] bridge_slave_0: left promiscuous mode [ 124.701060][ T3601] bridge0: port 1(bridge_slave_0) entered disabled state [ 126.529698][ T3601] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 126.600040][ T3601] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 126.621948][ T3601] bond0 (unregistering): Released all slaves [ 127.129040][ T3601] hsr_slave_0: left promiscuous mode [ 127.179135][ T3601] hsr_slave_1: left promiscuous mode [ 127.180548][ T3601] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 127.180632][ T3601] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 127.230867][ T3601] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 127.230910][ T3601] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 127.300009][ T3601] veth1_macvtap: left promiscuous mode [ 127.300198][ T3601] veth0_macvtap: left promiscuous mode [ 127.300418][ T3601] veth1_vlan: left promiscuous mode [ 127.300631][ T3601] veth0_vlan: left promiscuous mode [ 129.390244][ T3601] team0 (unregistering): Port device team_slave_1 removed [ 129.609969][ T3601] team0 (unregistering): Port device team_slave_0 removed [ 132.024739][ T3643] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 132.024765][ T3643] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 132.109867][ T3643] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 132.109892][ T3643] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/11/08 17:11:12 executed programs: 0 [ 136.236045][ T5121] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 136.239403][ T5121] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 136.240697][ T5121] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 136.245602][ T5121] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 136.246569][ T5121] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 137.037191][ T5986] chnl_net:caif_netlink_parms(): no params data found [ 137.381684][ T5986] bridge0: port 1(bridge_slave_0) entered blocking state [ 137.381914][ T5986] bridge0: port 1(bridge_slave_0) entered disabled state [ 137.382116][ T5986] bridge_slave_0: entered allmulticast mode [ 137.384902][ T5986] bridge_slave_0: entered promiscuous mode [ 137.423492][ T5986] bridge0: port 2(bridge_slave_1) entered blocking state [ 137.423716][ T5986] bridge0: port 2(bridge_slave_1) entered disabled state [ 137.423929][ T5986] bridge_slave_1: entered allmulticast mode [ 137.426985][ T5986] bridge_slave_1: entered promiscuous mode [ 137.648562][ T5986] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 137.732847][ T5986] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 137.951222][ T5986] team0: Port device team_slave_0 added [ 137.992074][ T5986] team0: Port device team_slave_1 added [ 138.185226][ T5986] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 138.185247][ T5986] 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. [ 138.185277][ T5986] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 138.187896][ T5986] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 138.187914][ T5986] 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. [ 138.187946][ T5986] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 138.271707][ T5121] Bluetooth: hci0: command tx timeout [ 138.617030][ T5986] hsr_slave_0: entered promiscuous mode [ 138.618077][ T5986] hsr_slave_1: entered promiscuous mode [ 138.676812][ T1325] ieee802154 phy0 wpan0: encryption failed: -22 [ 138.676941][ T1325] ieee802154 phy1 wpan1: encryption failed: -22 [ 140.342124][ T5986] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 140.349125][ T5121] Bluetooth: hci0: command tx timeout [ 140.407646][ T5986] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 140.437978][ T5986] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 140.475396][ T5986] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 140.662411][ T5986] 8021q: adding VLAN 0 to HW filter on device bond0 [ 140.702825][ T5986] 8021q: adding VLAN 0 to HW filter on device team0 [ 140.721725][ T3601] bridge0: port 1(bridge_slave_0) entered blocking state [ 140.721921][ T3601] bridge0: port 1(bridge_slave_0) entered forwarding state [ 140.743622][ T3601] bridge0: port 2(bridge_slave_1) entered blocking state [ 140.743909][ T3601] bridge0: port 2(bridge_slave_1) entered forwarding state [ 141.115579][ T5986] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 141.194730][ T5986] veth0_vlan: entered promiscuous mode [ 141.226058][ T5986] veth1_vlan: entered promiscuous mode [ 141.287669][ T5986] veth0_macvtap: entered promiscuous mode [ 141.296133][ T5986] veth1_macvtap: entered promiscuous mode [ 141.343242][ T5986] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 141.361249][ T5986] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 141.374961][ T3601] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 141.382875][ T3601] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 141.383678][ T3601] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 141.383730][ T3601] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 141.654792][ T3601] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 141.654820][ T3601] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 141.766257][ T990] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 141.766283][ T990] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/11/08 17:11:17 executed programs: 2 [ 141.986508][ T6067] loop0: detected capacity change from 0 to 512 [ 142.135498][ T6067] [ 142.135513][ T6067] ====================================================== [ 142.135524][ T6067] WARNING: possible circular locking dependency detected [ 142.135553][ T6067] syzkaller #0 Not tainted [ 142.135566][ T6067] ------------------------------------------------------ [ 142.135575][ T6067] syz.0.17/6067 is trying to acquire lock: [ 142.135601][ T6067] ffff888053196c58 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x1cc/0x350 [ 142.135677][ T6067] [ 142.135677][ T6067] but task is already holding lock: [ 142.135685][ T6067] ffff888040bb47c8 (&ei->xattr_sem){++++}-{4:4}, at: __ext4_mark_inode_dirty+0x3eb/0x700 [ 142.135745][ T6067] [ 142.135745][ T6067] which lock already depends on the new lock. [ 142.135745][ T6067] [ 142.135753][ T6067] [ 142.135753][ T6067] the existing dependency chain (in reverse order) is: [ 142.135763][ T6067] [ 142.135763][ T6067] -> #2 (&ei->xattr_sem){++++}-{4:4}: [ 142.135796][ T6067] lock_acquire+0x120/0x360 [ 142.135828][ T6067] down_write+0x3a/0x50 [ 142.135863][ T6067] ext4_xattr_set_handle+0x165/0x1590 [ 142.135900][ T6067] ext4_initxattrs+0x9f/0x110 [ 142.135928][ T6067] security_inode_init_security+0x2a0/0x3f0 [ 142.135962][ T6067] __ext4_new_inode+0x3314/0x3cb0 [ 142.135999][ T6067] ext4_create+0x22d/0x460 [ 142.136027][ T6067] path_openat+0x1500/0x3840 [ 142.136053][ T6067] do_filp_open+0x1fa/0x410 [ 142.136077][ T6067] do_sys_openat2+0x121/0x1c0 [ 142.136099][ T6067] __x64_sys_openat+0x138/0x170 [ 142.136121][ T6067] do_syscall_64+0xfa/0xfa0 [ 142.136154][ T6067] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 142.136178][ T6067] [ 142.136178][ T6067] -> #1 (jbd2_handle){++++}-{0:0}: [ 142.136212][ T6067] lock_acquire+0x120/0x360 [ 142.136243][ T6067] start_this_handle+0x1fa7/0x21c0 [ 142.136274][ T6067] jbd2__journal_start+0x2c1/0x5b0 [ 142.136305][ T6067] __ext4_journal_start_sb+0x227/0x5c0 [ 142.136342][ T6067] ext4_do_writepages+0xf6f/0x4600 [ 142.136375][ T6067] ext4_writepages+0x205/0x350 [ 142.136397][ T6067] do_writepages+0x32e/0x550 [ 142.136422][ T6067] __writeback_single_inode+0x145/0x1000 [ 142.136453][ T6067] writeback_sb_inodes+0x6b7/0xf60 [ 142.136481][ T6067] __writeback_inodes_wb+0x111/0x240 [ 142.136510][ T6067] wb_writeback+0x44f/0xaf0 [ 142.136536][ T6067] wb_workfn+0xaf4/0xf00 [ 142.136557][ T6067] process_scheduled_works+0xae1/0x17b0 [ 142.136585][ T6067] worker_thread+0x8a0/0xda0 [ 142.136620][ T6067] kthread+0x711/0x8a0 [ 142.136653][ T6067] ret_from_fork+0x4bc/0x870 [ 142.136681][ T6067] ret_from_fork_asm+0x1a/0x30 [ 142.136706][ T6067] [ 142.136706][ T6067] -> #0 (&sbi->s_writepages_rwsem){++++}-{0:0}: [ 142.136741][ T6067] validate_chain+0xb9b/0x2140 [ 142.136761][ T6067] __lock_acquire+0xab9/0xd20 [ 142.136791][ T6067] lock_acquire+0x120/0x360 [ 142.136822][ T6067] percpu_down_read_internal+0x48/0x1d0 [ 142.136843][ T6067] ext4_writepages+0x1cc/0x350 [ 142.136866][ T6067] do_writepages+0x32e/0x550 [ 142.136889][ T6067] __writeback_single_inode+0x145/0x1000 [ 142.136916][ T6067] writeback_single_inode+0x1db/0x640 [ 142.136939][ T6067] write_inode_now+0x160/0x1d0 [ 142.136962][ T6067] iput+0x830/0xc50 [ 142.136996][ T6067] ext4_xattr_block_set+0x1fce/0x2ac0 [ 142.137030][ T6067] ext4_expand_extra_isize_ea+0x12da/0x1ea0 [ 142.137067][ T6067] __ext4_expand_extra_isize+0x30d/0x400 [ 142.137105][ T6067] __ext4_mark_inode_dirty+0x46c/0x700 [ 142.137134][ T6067] ext4_evict_inode+0x80d/0xee0 [ 142.137160][ T6067] evict+0x504/0x9c0 [ 142.137184][ T6067] ext4_orphan_cleanup+0xc20/0x1460 [ 142.137210][ T6067] ext4_fill_super+0x593b/0x61f0 [ 142.137231][ T6067] get_tree_bdev_flags+0x40e/0x4d0 [ 142.137259][ T6067] vfs_get_tree+0x92/0x2b0 [ 142.137286][ T6067] do_new_mount+0x302/0xa10 [ 142.137317][ T6067] __se_sys_mount+0x313/0x410 [ 142.137346][ T6067] do_syscall_64+0xfa/0xfa0 [ 142.137375][ T6067] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 142.137395][ T6067] [ 142.137395][ T6067] other info that might help us debug this: [ 142.137395][ T6067] [ 142.137403][ T6067] Chain exists of: [ 142.137403][ T6067] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem [ 142.137403][ T6067] [ 142.137443][ T6067] Possible unsafe locking scenario: [ 142.137443][ T6067] [ 142.137450][ T6067] CPU0 CPU1 [ 142.137458][ T6067] ---- ---- [ 142.137465][ T6067] lock(&ei->xattr_sem); [ 142.137481][ T6067] lock(jbd2_handle); [ 142.137498][ T6067] lock(&ei->xattr_sem); [ 142.137515][ T6067] rlock(&sbi->s_writepages_rwsem); [ 142.137531][ T6067] [ 142.137531][ T6067] *** DEADLOCK *** [ 142.137531][ T6067] [ 142.137538][ T6067] 3 locks held by syz.0.17/6067: [ 142.137553][ T6067] #0: ffff8880349200d0 (&type->s_umount_key#26/1){+.+.}-{4:4}, at: alloc_super+0x1ba/0x9a0 [ 142.137636][ T6067] #1: ffff888034920770 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x2d6/0xee0 [ 142.137698][ T6067] #2: ffff888040bb47c8 (&ei->xattr_sem){++++}-{4:4}, at: __ext4_mark_inode_dirty+0x3eb/0x700 [ 142.137761][ T6067] [ 142.137761][ T6067] stack backtrace: [ 142.137795][ T6067] CPU: 0 UID: 0 PID: 6067 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 142.137823][ T6067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 142.137848][ T6067] Call Trace: [ 142.137862][ T6067] [ 142.137873][ T6067] dump_stack_lvl+0x189/0x250 [ 142.137917][ T6067] ? __pfx_dump_stack_lvl+0x10/0x10 [ 142.137955][ T6067] ? __pfx__printk+0x10/0x10 [ 142.137986][ T6067] ? print_lock_name+0xde/0x100 [ 142.138016][ T6067] print_circular_bug+0x2ee/0x310 [ 142.138044][ T6067] check_noncircular+0x134/0x160 [ 142.138072][ T6067] validate_chain+0xb9b/0x2140 [ 142.138100][ T6067] ? look_up_lock_class+0x74/0x170 [ 142.138137][ T6067] ? register_lock_class+0x51/0x320 [ 142.138174][ T6067] __lock_acquire+0xab9/0xd20 [ 142.138211][ T6067] ? ext4_writepages+0x1cc/0x350 [ 142.138235][ T6067] lock_acquire+0x120/0x360 [ 142.138268][ T6067] ? ext4_writepages+0x1cc/0x350 [ 142.138295][ T6067] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 142.138332][ T6067] ? lockdep_hardirqs_on+0x9c/0x150 [ 142.138369][ T6067] percpu_down_read_internal+0x48/0x1d0 [ 142.138393][ T6067] ? ext4_writepages+0x1cc/0x350 [ 142.138419][ T6067] ext4_writepages+0x1cc/0x350 [ 142.138445][ T6067] ? __pfx_ext4_writepages+0x10/0x10 [ 142.138468][ T6067] ? rt_mutex_slowunlock+0x493/0x8a0 [ 142.138503][ T6067] ? rt_spin_unlock+0x150/0x200 [ 142.138534][ T6067] ? rt_spin_unlock+0x161/0x200 [ 142.138561][ T6067] ? __pfx_ext4_writepages+0x10/0x10 [ 142.138586][ T6067] do_writepages+0x32e/0x550 [ 142.138622][ T6067] ? reacquire_held_locks+0x127/0x1d0 [ 142.138662][ T6067] ? rt_spin_lock+0x1c1/0x3e0 [ 142.138691][ T6067] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 142.138731][ T6067] __writeback_single_inode+0x145/0x1000 [ 142.138764][ T6067] writeback_single_inode+0x1db/0x640 [ 142.138793][ T6067] write_inode_now+0x160/0x1d0 [ 142.138818][ T6067] ? __pfx_write_inode_now+0x10/0x10 [ 142.138860][ T6067] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 142.138887][ T6067] ? rt_spin_unlock+0x150/0x200 [ 142.138918][ T6067] ? rt_spin_unlock+0x161/0x200 [ 142.138947][ T6067] iput+0x830/0xc50 [ 142.138987][ T6067] ext4_xattr_block_set+0x1fce/0x2ac0 [ 142.139045][ T6067] ? __pfx_ext4_xattr_block_set+0x10/0x10 [ 142.139085][ T6067] ? ext4_xattr_block_find+0x2d4/0x350 [ 142.139131][ T6067] ext4_expand_extra_isize_ea+0x12da/0x1ea0 [ 142.139190][ T6067] __ext4_expand_extra_isize+0x30d/0x400 [ 142.139235][ T6067] __ext4_mark_inode_dirty+0x46c/0x700 [ 142.139274][ T6067] ext4_evict_inode+0x80d/0xee0 [ 142.139308][ T6067] ? __pfx_ext4_evict_inode+0x10/0x10 [ 142.139334][ T6067] ? rt_spin_unlock+0x150/0x200 [ 142.139363][ T6067] ? rt_spin_unlock+0x161/0x200 [ 142.139392][ T6067] ? __pfx_ext4_evict_inode+0x10/0x10 [ 142.139421][ T6067] evict+0x504/0x9c0 [ 142.139452][ T6067] ? __pfx_evict+0x10/0x10 [ 142.139477][ T6067] ? rt_spin_unlock+0x161/0x200 [ 142.139506][ T6067] ? iput+0x946/0xc50 [ 142.139545][ T6067] ext4_orphan_cleanup+0xc20/0x1460 [ 142.139582][ T6067] ? __pfx_ext4_orphan_cleanup+0x10/0x10 [ 142.139621][ T6067] ? ext4_register_li_request+0x640/0x720 [ 142.139650][ T6067] ? errseq_check_and_advance+0x66/0x120 [ 142.139682][ T6067] ext4_fill_super+0x593b/0x61f0 [ 142.139719][ T6067] ? __pfx_ext4_fill_super+0x10/0x10 [ 142.139741][ T6067] ? snprintf+0xda/0x120 [ 142.139765][ T6067] ? rt_spin_lock+0x1c1/0x3e0 [ 142.139793][ T6067] ? __pfx_snprintf+0x10/0x10 [ 142.139817][ T6067] ? set_blocksize+0x219/0x450 [ 142.139854][ T6067] ? rt_spin_unlock+0x150/0x200 [ 142.139886][ T6067] ? sb_set_blocksize+0x104/0x180 [ 142.139923][ T6067] ? setup_bdev_super+0x4c1/0x5b0 [ 142.139957][ T6067] get_tree_bdev_flags+0x40e/0x4d0 [ 142.139990][ T6067] ? __pfx_ext4_fill_super+0x10/0x10 [ 142.140014][ T6067] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 142.140046][ T6067] ? cap_capable+0x11f/0x460 [ 142.140069][ T6067] ? safesetid_security_capable+0xa9/0x1a0 [ 142.140097][ T6067] vfs_get_tree+0x92/0x2b0 [ 142.140129][ T6067] do_new_mount+0x302/0xa10 [ 142.140163][ T6067] ? safesetid_security_capable+0xa9/0x1a0 [ 142.140188][ T6067] ? __pfx_do_new_mount+0x10/0x10 [ 142.140220][ T6067] ? ns_capable+0x8a/0xf0 [ 142.140258][ T6067] __se_sys_mount+0x313/0x410 [ 142.140295][ T6067] ? __pfx___se_sys_mount+0x10/0x10 [ 142.140331][ T6067] ? do_syscall_64+0xbe/0xfa0 [ 142.140365][ T6067] ? __x64_sys_mount+0x20/0xc0 [ 142.140400][ T6067] do_syscall_64+0xfa/0xfa0 [ 142.140435][ T6067] ? lockdep_hardirqs_on+0x9c/0x150 [ 142.140498][ T6067] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 142.140522][ T6067] ? clear_bhb_loop+0x60/0xb0 [ 142.140549][ T6067] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 142.140573][ T6067] RIP: 0033:0x7f2b57710e6a [ 142.140611][ T6067] 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 [ 142.140632][ T6067] RSP: 002b:00007ffddf6d04c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 142.140658][ T6067] RAX: ffffffffffffffda RBX: 00007ffddf6d0550 RCX: 00007f2b57710e6a [ 142.140677][ T6067] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffddf6d0510 [ 142.140694][ T6067] RBP: 0000200000000180 R08: 00007ffddf6d0550 R09: 0000000001800700 [ 142.140711][ T6067] R10: 0000000001800700 R11: 0000000000000246 R12: 00002000000001c0 [ 142.140727][ T6067] R13: 00007ffddf6d0510 R14: 000000000000047c R15: 00002000000004c0 [ 142.140755][ T6067] [ 142.157793][ T6067] ------------[ cut here ]------------ [ 142.157809][ T6067] EA inode 11 i_nlink=2 [ 142.158239][ T6067] WARNING: CPU: 1 PID: 6067 at fs/ext4/xattr.c:1058 ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 142.158299][ T6067] Modules linked in: [ 142.158320][ T6067] CPU: 1 UID: 0 PID: 6067 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 142.158347][ T6067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 142.158362][ T6067] RIP: 0010:ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 142.158403][ T6067] 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 00 9b ff 8a 4c 89 e6 e8 d7 9a 03 ff 90 <0f> 0b 90 90 4c 8b 6c 24 28 e9 59 fe ff ff e8 73 06 41 08 44 89 f9 [ 142.158424][ T6067] RSP: 0018:ffffc90003f37100 EFLAGS: 00010246 [ 142.158445][ T6067] RAX: 3c1be72665a3f400 RBX: 0000000000000001 RCX: ffff88803a0c8000 [ 142.158462][ T6067] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 142.158477][ T6067] RBP: ffffc90003f371f8 R08: 0000000000000000 R09: 0000000000000000 [ 142.158492][ T6067] R10: dffffc0000000000 R11: ffffed101712487b R12: 000000000000000b [ 142.158509][ T6067] R13: ffff8880474bb3b0 R14: 1ffff11008e9765c R15: ffff8880474bb2e0 [ 142.158528][ T6067] FS: 000055557f3cf500(0000) GS:ffff888126ef9000(0000) knlGS:0000000000000000 [ 142.158548][ T6067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 142.158565][ T6067] CR2: 00007f850d90b6b0 CR3: 00000000334ac000 CR4: 00000000003526f0 [ 142.158586][ T6067] Call Trace: [ 142.158713][ T6067] [ 142.158820][ T6067] ? __pfx_inode_set_ctime_to_ts+0x10/0x10 [ 142.158856][ T6067] ? __pfx_ext4_xattr_inode_update_ref+0x10/0x10 [ 142.158903][ T6067] ? ext4_xattr_inode_iget+0x3d2/0x5f0 [ 142.158946][ T6067] ext4_xattr_set_entry+0xabb/0x1e20 [ 142.158998][ T6067] ext4_xattr_ibody_set+0x254/0x6a0 [ 142.159039][ T6067] ext4_expand_extra_isize_ea+0x13ad/0x1ea0 [ 142.159098][ T6067] __ext4_expand_extra_isize+0x30d/0x400 [ 142.159152][ T6067] __ext4_mark_inode_dirty+0x46c/0x700 [ 142.159190][ T6067] ext4_evict_inode+0x80d/0xee0 [ 142.159228][ T6067] ? __pfx_ext4_evict_inode+0x10/0x10 [ 142.159257][ T6067] ? rt_spin_unlock+0x150/0x200 [ 142.159301][ T6067] ? rt_spin_unlock+0x161/0x200 [ 142.159325][ T6067] ? __pfx_ext4_evict_inode+0x10/0x10 [ 142.159352][ T6067] evict+0x504/0x9c0 [ 142.159383][ T6067] ? __pfx_evict+0x10/0x10 [ 142.159410][ T6067] ? rt_spin_unlock+0x161/0x200 [ 142.159440][ T6067] ? iput+0x946/0xc50 [ 142.159480][ T6067] ext4_orphan_cleanup+0xc20/0x1460 [ 142.159517][ T6067] ? __pfx_ext4_orphan_cleanup+0x10/0x10 [ 142.159605][ T6067] ? ext4_register_li_request+0x640/0x720 [ 142.159635][ T6067] ? errseq_check_and_advance+0x66/0x120 [ 142.159667][ T6067] ext4_fill_super+0x593b/0x61f0 [ 142.159704][ T6067] ? __pfx_ext4_fill_super+0x10/0x10 [ 142.159727][ T6067] ? snprintf+0xda/0x120 [ 142.159751][ T6067] ? rt_spin_lock+0x1c1/0x3e0 [ 142.159782][ T6067] ? __pfx_snprintf+0x10/0x10 [ 142.159801][ T6067] ? set_blocksize+0x219/0x450 [ 142.159846][ T6067] ? rt_spin_unlock+0x150/0x200 [ 142.159876][ T6067] ? sb_set_blocksize+0x104/0x180 [ 142.159913][ T6067] ? setup_bdev_super+0x4c1/0x5b0 [ 142.159948][ T6067] get_tree_bdev_flags+0x40e/0x4d0 [ 142.159980][ T6067] ? __pfx_ext4_fill_super+0x10/0x10 [ 142.160005][ T6067] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 142.160035][ T6067] ? cap_capable+0x11f/0x460 [ 142.160060][ T6067] ? safesetid_security_capable+0xa9/0x1a0 [ 142.160089][ T6067] vfs_get_tree+0x92/0x2b0 [ 142.160123][ T6067] do_new_mount+0x302/0xa10 [ 142.160163][ T6067] ? safesetid_security_capable+0xa9/0x1a0 [ 142.160190][ T6067] ? __pfx_do_new_mount+0x10/0x10 [ 142.160224][ T6067] ? ns_capable+0x8a/0xf0 [ 142.160264][ T6067] __se_sys_mount+0x313/0x410 [ 142.160303][ T6067] ? __pfx___se_sys_mount+0x10/0x10 [ 142.160340][ T6067] ? do_syscall_64+0xbe/0xfa0 [ 142.160375][ T6067] ? __x64_sys_mount+0x20/0xc0 [ 142.160410][ T6067] do_syscall_64+0xfa/0xfa0 [ 142.160464][ T6067] ? lockdep_hardirqs_on+0x9c/0x150 [ 142.160500][ T6067] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 142.160526][ T6067] ? clear_bhb_loop+0x60/0xb0 [ 142.160627][ T6067] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 142.160669][ T6067] RIP: 0033:0x7f2b57710e6a [ 142.160696][ T6067] 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 [ 142.160718][ T6067] RSP: 002b:00007ffddf6d04c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 142.160835][ T6067] RAX: ffffffffffffffda RBX: 00007ffddf6d0550 RCX: 00007f2b57710e6a [ 142.160855][ T6067] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffddf6d0510 [ 142.160876][ T6067] RBP: 0000200000000180 R08: 00007ffddf6d0550 R09: 0000000001800700 [ 142.160896][ T6067] R10: 0000000001800700 R11: 0000000000000246 R12: 00002000000001c0 [ 142.160917][ T6067] R13: 00007ffddf6d0510 R14: 000000000000047c R15: 00002000000004c0 [ 142.160951][ T6067] [ 142.160968][ T6067] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 142.160992][ T6067] CPU: 1 UID: 0 PID: 6067 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 142.161028][ T6067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 142.161046][ T6067] Call Trace: [ 142.161060][ T6067] [ 142.161072][ T6067] dump_stack_lvl+0x99/0x250 [ 142.161125][ T6067] ? __asan_memcpy+0x40/0x70 [ 142.161158][ T6067] ? __pfx_dump_stack_lvl+0x10/0x10 [ 142.161203][ T6067] ? __pfx__printk+0x10/0x10 [ 142.161243][ T6067] vpanic+0x237/0x6d0 [ 142.161269][ T6067] ? __pfx_vpanic+0x10/0x10 [ 142.161301][ T6067] panic+0xb9/0xc0 [ 142.161328][ T6067] ? __pfx_panic+0x10/0x10 [ 142.161362][ T6067] __warn+0x31b/0x4b0 [ 142.161401][ T6067] ? ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 142.161457][ T6067] ? ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 142.161502][ T6067] report_bug+0x2be/0x4f0 [ 142.161541][ T6067] ? ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 142.161596][ T6067] ? ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 142.161643][ T6067] ? ext4_xattr_inode_update_ref+0x51c/0x5b0 [ 142.161687][ T6067] handle_bug+0x84/0x160 [ 142.161716][ T6067] exc_invalid_op+0x1a/0x50 [ 142.161741][ T6067] asm_exc_invalid_op+0x1a/0x20 [ 142.161769][ T6067] RIP: 0010:ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 142.161819][ T6067] 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 00 9b ff 8a 4c 89 e6 e8 d7 9a 03 ff 90 <0f> 0b 90 90 4c 8b 6c 24 28 e9 59 fe ff ff e8 73 06 41 08 44 89 f9 [ 142.161841][ T6067] RSP: 0018:ffffc90003f37100 EFLAGS: 00010246 [ 142.161866][ T6067] RAX: 3c1be72665a3f400 RBX: 0000000000000001 RCX: ffff88803a0c8000 [ 142.161887][ T6067] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 142.161902][ T6067] RBP: ffffc90003f371f8 R08: 0000000000000000 R09: 0000000000000000 [ 142.161921][ T6067] R10: dffffc0000000000 R11: ffffed101712487b R12: 000000000000000b [ 142.161941][ T6067] R13: ffff8880474bb3b0 R14: 1ffff11008e9765c R15: ffff8880474bb2e0 [ 142.161973][ T6067] ? __pfx_inode_set_ctime_to_ts+0x10/0x10 [ 142.162008][ T6067] ? __pfx_ext4_xattr_inode_update_ref+0x10/0x10 [ 142.162056][ T6067] ? ext4_xattr_inode_iget+0x3d2/0x5f0 [ 142.162103][ T6067] ext4_xattr_set_entry+0xabb/0x1e20 [ 142.162161][ T6067] ext4_xattr_ibody_set+0x254/0x6a0 [ 142.162207][ T6067] ext4_expand_extra_isize_ea+0x13ad/0x1ea0 [ 142.162276][ T6067] __ext4_expand_extra_isize+0x30d/0x400 [ 142.162331][ T6067] __ext4_mark_inode_dirty+0x46c/0x700 [ 142.162376][ T6067] ext4_evict_inode+0x80d/0xee0 [ 142.162419][ T6067] ? __pfx_ext4_evict_inode+0x10/0x10 [ 142.162450][ T6067] ? rt_spin_unlock+0x150/0x200 [ 142.162485][ T6067] ? rt_spin_unlock+0x161/0x200 [ 142.162517][ T6067] ? __pfx_ext4_evict_inode+0x10/0x10 [ 142.162549][ T6067] evict+0x504/0x9c0 [ 142.162604][ T6067] ? __pfx_evict+0x10/0x10 [ 142.162632][ T6067] ? rt_spin_unlock+0x161/0x200 [ 142.162667][ T6067] ? iput+0x946/0xc50 [ 142.162711][ T6067] ext4_orphan_cleanup+0xc20/0x1460 [ 142.162751][ T6067] ? __pfx_ext4_orphan_cleanup+0x10/0x10 [ 142.162784][ T6067] ? ext4_register_li_request+0x640/0x720 [ 142.162817][ T6067] ? errseq_check_and_advance+0x66/0x120 [ 142.162854][ T6067] ext4_fill_super+0x593b/0x61f0 [ 142.162895][ T6067] ? __pfx_ext4_fill_super+0x10/0x10 [ 142.162921][ T6067] ? snprintf+0xda/0x120 [ 142.162948][ T6067] ? rt_spin_lock+0x1c1/0x3e0 [ 142.162981][ T6067] ? __pfx_snprintf+0x10/0x10 [ 142.163010][ T6067] ? set_blocksize+0x219/0x450 [ 142.163060][ T6067] ? rt_spin_unlock+0x150/0x200 [ 142.163094][ T6067] ? sb_set_blocksize+0x104/0x180 [ 142.163136][ T6067] ? setup_bdev_super+0x4c1/0x5b0 [ 142.163174][ T6067] get_tree_bdev_flags+0x40e/0x4d0 [ 142.163211][ T6067] ? __pfx_ext4_fill_super+0x10/0x10 [ 142.163237][ T6067] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 142.163274][ T6067] ? cap_capable+0x11f/0x460 [ 142.163299][ T6067] ? safesetid_security_capable+0xa9/0x1a0 [ 142.163333][ T6067] vfs_get_tree+0x92/0x2b0 [ 142.163371][ T6067] do_new_mount+0x302/0xa10 [ 142.163408][ T6067] ? safesetid_security_capable+0xa9/0x1a0 [ 142.163438][ T6067] ? __pfx_do_new_mount+0x10/0x10 [ 142.163477][ T6067] ? ns_capable+0x8a/0xf0 [ 142.163523][ T6067] __se_sys_mount+0x313/0x410 [ 142.163565][ T6067] ? __pfx___se_sys_mount+0x10/0x10 [ 142.163616][ T6067] ? do_syscall_64+0xbe/0xfa0 [ 142.163656][ T6067] ? __x64_sys_mount+0x20/0xc0 [ 142.163697][ T6067] do_syscall_64+0xfa/0xfa0 [ 142.163734][ T6067] ? lockdep_hardirqs_on+0x9c/0x150 [ 142.163773][ T6067] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 142.163802][ T6067] ? clear_bhb_loop+0x60/0xb0 [ 142.163831][ T6067] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 142.163855][ T6067] RIP: 0033:0x7f2b57710e6a [ 142.163875][ T6067] 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 [ 142.163893][ T6067] RSP: 002b:00007ffddf6d04c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 142.163915][ T6067] RAX: ffffffffffffffda RBX: 00007ffddf6d0550 RCX: 00007f2b57710e6a [ 142.163931][ T6067] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffddf6d0510 [ 142.163948][ T6067] RBP: 0000200000000180 R08: 00007ffddf6d0550 R09: 0000000001800700 [ 142.163962][ T6067] R10: 0000000001800700 R11: 0000000000000246 R12: 00002000000001c0 [ 142.163976][ T6067] R13: 00007ffddf6d0510 R14: 000000000000047c R15: 00002000000004c0 [ 142.164001][ T6067] [ 142.164349][ T6067] Kernel Offset: disabled