Warning: Permanently added '10.128.0.200' (ED25519) to the list of known hosts. 2025/11/16 20:09:16 parsed 1 programs [ 91.947172][ T1074] cfg80211: failed to load regulatory.db [ 95.197523][ T5812] cgroup: Unknown subsys name 'net' [ 95.528805][ T5812] cgroup: Unknown subsys name 'cpuset' [ 95.583562][ T5812] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 97.609410][ T5812] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 100.605962][ T5827] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 100.608956][ T5827] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 100.609793][ T5827] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 100.610884][ T5827] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 100.611559][ T5827] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 104.154538][ T5859] chnl_net:caif_netlink_parms(): no params data found [ 104.676571][ T5859] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.676732][ T5859] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.679060][ T5859] bridge_slave_0: entered allmulticast mode [ 104.709828][ T5859] bridge_slave_0: entered promiscuous mode [ 104.723914][ T5859] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.724541][ T5859] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.724720][ T5859] bridge_slave_1: entered allmulticast mode [ 104.727648][ T5859] bridge_slave_1: entered promiscuous mode [ 104.947663][ T5859] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 104.964715][ T5859] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 105.108321][ T5859] team0: Port device team_slave_0 added [ 105.111949][ T5859] team0: Port device team_slave_1 added [ 105.465976][ T5859] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 105.465989][ T5859] 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. [ 105.466007][ T5859] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 105.469024][ T5859] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 105.469038][ T5859] 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. [ 105.469064][ T5859] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 105.641284][ T5859] hsr_slave_0: entered promiscuous mode [ 105.642508][ T5859] hsr_slave_1: entered promiscuous mode [ 106.052141][ T5859] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 106.101512][ T5859] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 106.117550][ T5859] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 106.156875][ T5859] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 106.390569][ T5859] 8021q: adding VLAN 0 to HW filter on device bond0 [ 106.417312][ T5859] 8021q: adding VLAN 0 to HW filter on device team0 [ 106.427053][ T3594] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.427829][ T3594] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.447926][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.449900][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 106.690774][ T5859] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 106.738753][ T5859] veth0_vlan: entered promiscuous mode [ 106.748547][ T5859] veth1_vlan: entered promiscuous mode [ 106.780985][ T5859] veth0_macvtap: entered promiscuous mode [ 106.786602][ T5859] veth1_macvtap: entered promiscuous mode [ 106.806762][ T5859] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 106.819911][ T5859] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 106.836407][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.838404][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.839687][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.839731][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.587628][ T37] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.806032][ T37] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 108.321999][ T1141] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.322026][ T1141] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.389357][ T3594] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.389378][ T3594] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.627159][ T37] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.809778][ T37] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.273261][ T37] bridge_slave_1: left allmulticast mode [ 110.273481][ T37] bridge_slave_1: left promiscuous mode [ 110.275498][ T37] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.355039][ T37] bridge_slave_0: left allmulticast mode [ 110.355068][ T37] bridge_slave_0: left promiscuous mode [ 110.355541][ T37] bridge0: port 1(bridge_slave_0) entered disabled state [ 112.113678][ T37] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 112.193642][ T37] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 112.245545][ T37] bond0 (unregistering): Released all slaves [ 112.603742][ T37] hsr_slave_0: left promiscuous mode [ 112.642962][ T37] hsr_slave_1: left promiscuous mode [ 112.644199][ T37] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 112.644279][ T37] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 112.706126][ T37] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 112.706157][ T37] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 112.844300][ T37] veth1_macvtap: left promiscuous mode [ 112.844530][ T37] veth0_macvtap: left promiscuous mode [ 112.844853][ T37] veth1_vlan: left promiscuous mode [ 112.845143][ T37] veth0_vlan: left promiscuous mode [ 114.999294][ T37] team0 (unregistering): Port device team_slave_1 removed [ 115.213662][ T37] team0 (unregistering): Port device team_slave_0 removed 2025/11/16 20:09:43 executed programs: 0 [ 118.460180][ T62] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 118.470180][ T62] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 118.481203][ T62] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 118.488899][ T62] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 118.489878][ T62] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 119.400610][ T5965] chnl_net:caif_netlink_parms(): no params data found [ 119.857106][ T5965] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.858134][ T5965] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.858342][ T5965] bridge_slave_0: entered allmulticast mode [ 119.861390][ T5965] bridge_slave_0: entered promiscuous mode [ 119.870996][ T5965] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.871272][ T5965] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.871452][ T5965] bridge_slave_1: entered allmulticast mode [ 119.877527][ T5965] bridge_slave_1: entered promiscuous mode [ 120.108071][ T5965] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 120.111279][ T5965] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 120.316293][ T5965] team0: Port device team_slave_0 added [ 120.318969][ T5965] team0: Port device team_slave_1 added [ 120.585104][ T62] Bluetooth: hci0: command tx timeout [ 120.825810][ T5965] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 120.825827][ T5965] 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. [ 120.825855][ T5965] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 120.832209][ T5965] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 120.832225][ T5965] 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. [ 120.832249][ T5965] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 121.573675][ T5965] hsr_slave_0: entered promiscuous mode [ 121.578985][ T5965] hsr_slave_1: entered promiscuous mode [ 122.673575][ T62] Bluetooth: hci0: command tx timeout [ 123.550344][ T5965] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 123.587640][ T5965] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 123.627797][ T5965] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 123.671057][ T5965] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 123.824528][ T5965] 8021q: adding VLAN 0 to HW filter on device bond0 [ 123.851983][ T5965] 8021q: adding VLAN 0 to HW filter on device team0 [ 123.892684][ T37] bridge0: port 1(bridge_slave_0) entered blocking state [ 123.900316][ T37] bridge0: port 1(bridge_slave_0) entered forwarding state [ 123.921156][ T1315] bridge0: port 2(bridge_slave_1) entered blocking state [ 123.938551][ T1315] bridge0: port 2(bridge_slave_1) entered forwarding state [ 124.284996][ T5965] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 124.365627][ T5965] veth0_vlan: entered promiscuous mode [ 124.378899][ T5965] veth1_vlan: entered promiscuous mode [ 124.428065][ T5965] veth0_macvtap: entered promiscuous mode [ 124.440078][ T5965] veth1_macvtap: entered promiscuous mode [ 124.468919][ T5965] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 124.485562][ T5965] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 124.517140][ T1315] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 124.518984][ T1315] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 124.520181][ T1315] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 124.520576][ T1315] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 124.737105][ T3537] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 124.737127][ T3537] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 124.742978][ T62] Bluetooth: hci0: command tx timeout [ 124.823965][ T37] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 124.823986][ T37] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/11/16 20:09:49 executed programs: 2 [ 125.007995][ T6059] loop0: detected capacity change from 0 to 512 [ 125.081177][ T6059] [ 125.081190][ T6059] ====================================================== [ 125.081197][ T6059] WARNING: possible circular locking dependency detected [ 125.081215][ T6059] syzkaller #0 Not tainted [ 125.081226][ T6059] ------------------------------------------------------ [ 125.081233][ T6059] syz.0.17/6059 is trying to acquire lock: [ 125.081245][ T6059] ffff888035d48c58 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x1cc/0x350 [ 125.081313][ T6059] [ 125.081313][ T6059] but task is already holding lock: [ 125.081320][ T6059] ffff888051d53018 (&ei->xattr_sem){++++}-{4:4}, at: __ext4_mark_inode_dirty+0x3eb/0x700 [ 125.081372][ T6059] [ 125.081372][ T6059] which lock already depends on the new lock. [ 125.081372][ T6059] [ 125.081379][ T6059] [ 125.081379][ T6059] the existing dependency chain (in reverse order) is: [ 125.081387][ T6059] [ 125.081387][ T6059] -> #2 (&ei->xattr_sem){++++}-{4:4}: [ 125.081415][ T6059] lock_acquire+0x120/0x360 [ 125.081443][ T6059] down_write+0x3a/0x50 [ 125.081461][ T6059] ext4_xattr_set_handle+0x165/0x1590 [ 125.081492][ T6059] ext4_initxattrs+0x9f/0x110 [ 125.081514][ T6059] security_inode_init_security+0x2a0/0x3f0 [ 125.081541][ T6059] __ext4_new_inode+0x3314/0x3cb0 [ 125.081579][ T6059] ext4_create+0x22d/0x460 [ 125.081602][ T6059] path_openat+0x1500/0x3840 [ 125.081623][ T6059] do_filp_open+0x1fa/0x410 [ 125.081643][ T6059] do_sys_openat2+0x121/0x1c0 [ 125.081661][ T6059] __x64_sys_openat+0x138/0x170 [ 125.081679][ T6059] do_syscall_64+0xfa/0xfa0 [ 125.081707][ T6059] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.081727][ T6059] [ 125.081727][ T6059] -> #1 (jbd2_handle){++++}-{0:0}: [ 125.081755][ T6059] lock_acquire+0x120/0x360 [ 125.081781][ T6059] start_this_handle+0x1fa7/0x21c0 [ 125.081806][ T6059] jbd2__journal_start+0x2c1/0x5b0 [ 125.081830][ T6059] __ext4_journal_start_sb+0x227/0x5c0 [ 125.081862][ T6059] ext4_do_writepages+0xf6f/0x4600 [ 125.081889][ T6059] ext4_writepages+0x205/0x350 [ 125.081908][ T6059] do_writepages+0x32e/0x550 [ 125.081927][ T6059] file_write_and_wait_range+0x244/0x340 [ 125.081951][ T6059] ext4_sync_file+0x2b4/0xb20 [ 125.081988][ T6059] __x64_sys_fsync+0x194/0x1f0 [ 125.082004][ T6059] do_syscall_64+0xfa/0xfa0 [ 125.082033][ T6059] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.082052][ T6059] [ 125.082052][ T6059] -> #0 (&sbi->s_writepages_rwsem){++++}-{0:0}: [ 125.082081][ T6059] validate_chain+0xb9b/0x2140 [ 125.082098][ T6059] __lock_acquire+0xab9/0xd20 [ 125.082124][ T6059] lock_acquire+0x120/0x360 [ 125.082149][ T6059] percpu_down_read_internal+0x48/0x1d0 [ 125.082168][ T6059] ext4_writepages+0x1cc/0x350 [ 125.082186][ T6059] do_writepages+0x32e/0x550 [ 125.082205][ T6059] __writeback_single_inode+0x145/0x1000 [ 125.082229][ T6059] writeback_single_inode+0x1db/0x640 [ 125.082249][ T6059] write_inode_now+0x160/0x1d0 [ 125.082268][ T6059] iput+0x830/0xc50 [ 125.082300][ T6059] ext4_xattr_block_set+0x1fce/0x2ac0 [ 125.082332][ T6059] ext4_expand_extra_isize_ea+0x12da/0x1ea0 [ 125.082364][ T6059] __ext4_expand_extra_isize+0x30d/0x400 [ 125.082397][ T6059] __ext4_mark_inode_dirty+0x46c/0x700 [ 125.082421][ T6059] ext4_evict_inode+0x80d/0xee0 [ 125.082444][ T6059] evict+0x504/0x9c0 [ 125.082463][ T6059] ext4_orphan_cleanup+0xc20/0x1460 [ 125.082484][ T6059] ext4_fill_super+0x593b/0x61f0 [ 125.082502][ T6059] get_tree_bdev_flags+0x40e/0x4d0 [ 125.082527][ T6059] vfs_get_tree+0x92/0x2b0 [ 125.082550][ T6059] do_new_mount+0x302/0xa10 [ 125.082582][ T6059] __se_sys_mount+0x313/0x410 [ 125.082611][ T6059] do_syscall_64+0xfa/0xfa0 [ 125.082640][ T6059] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.082660][ T6059] [ 125.082660][ T6059] other info that might help us debug this: [ 125.082660][ T6059] [ 125.082667][ T6059] Chain exists of: [ 125.082667][ T6059] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem [ 125.082667][ T6059] [ 125.082701][ T6059] Possible unsafe locking scenario: [ 125.082701][ T6059] [ 125.082707][ T6059] CPU0 CPU1 [ 125.082713][ T6059] ---- ---- [ 125.082719][ T6059] lock(&ei->xattr_sem); [ 125.082733][ T6059] lock(jbd2_handle); [ 125.082747][ T6059] lock(&ei->xattr_sem); [ 125.082762][ T6059] rlock(&sbi->s_writepages_rwsem); [ 125.082781][ T6059] [ 125.082781][ T6059] *** DEADLOCK *** [ 125.082781][ T6059] [ 125.082786][ T6059] 3 locks held by syz.0.17/6059: [ 125.082798][ T6059] #0: ffff8880202a60d0 (&type->s_umount_key#26/1){+.+.}-{4:4}, at: alloc_super+0x1ba/0x9a0 [ 125.082863][ T6059] #1: ffff8880202a6770 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x2d6/0xee0 [ 125.082913][ T6059] #2: ffff888051d53018 (&ei->xattr_sem){++++}-{4:4}, at: __ext4_mark_inode_dirty+0x3eb/0x700 [ 125.082963][ T6059] [ 125.082963][ T6059] stack backtrace: [ 125.082988][ T6059] CPU: 1 UID: 0 PID: 6059 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 125.083011][ T6059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 125.083031][ T6059] Call Trace: [ 125.083043][ T6059] [ 125.083051][ T6059] dump_stack_lvl+0x189/0x250 [ 125.083086][ T6059] ? __pfx_dump_stack_lvl+0x10/0x10 [ 125.083118][ T6059] ? __pfx__printk+0x10/0x10 [ 125.083144][ T6059] ? print_lock_name+0xde/0x100 [ 125.083170][ T6059] print_circular_bug+0x2ee/0x310 [ 125.083191][ T6059] check_noncircular+0x134/0x160 [ 125.083214][ T6059] validate_chain+0xb9b/0x2140 [ 125.083237][ T6059] ? look_up_lock_class+0x74/0x170 [ 125.083268][ T6059] ? register_lock_class+0x51/0x320 [ 125.083298][ T6059] __lock_acquire+0xab9/0xd20 [ 125.083327][ T6059] ? ext4_writepages+0x1cc/0x350 [ 125.083347][ T6059] lock_acquire+0x120/0x360 [ 125.083374][ T6059] ? ext4_writepages+0x1cc/0x350 [ 125.083395][ T6059] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 125.083428][ T6059] ? lockdep_hardirqs_on+0x9c/0x150 [ 125.083462][ T6059] percpu_down_read_internal+0x48/0x1d0 [ 125.083481][ T6059] ? ext4_writepages+0x1cc/0x350 [ 125.083503][ T6059] ext4_writepages+0x1cc/0x350 [ 125.083526][ T6059] ? __pfx_ext4_writepages+0x10/0x10 [ 125.083546][ T6059] ? rt_mutex_slowunlock+0x493/0x8a0 [ 125.083586][ T6059] ? rt_spin_unlock+0x150/0x200 [ 125.083612][ T6059] ? rt_spin_unlock+0x161/0x200 [ 125.083636][ T6059] ? __pfx_ext4_writepages+0x10/0x10 [ 125.083658][ T6059] do_writepages+0x32e/0x550 [ 125.083681][ T6059] ? reacquire_held_locks+0x127/0x1d0 [ 125.083714][ T6059] ? rt_spin_lock+0x1c1/0x3e0 [ 125.083740][ T6059] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 125.083767][ T6059] __writeback_single_inode+0x145/0x1000 [ 125.083800][ T6059] writeback_single_inode+0x1db/0x640 [ 125.083826][ T6059] write_inode_now+0x160/0x1d0 [ 125.083848][ T6059] ? __pfx_write_inode_now+0x10/0x10 [ 125.083888][ T6059] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 125.083914][ T6059] ? rt_spin_unlock+0x150/0x200 [ 125.083941][ T6059] ? rt_spin_unlock+0x161/0x200 [ 125.083966][ T6059] iput+0x830/0xc50 [ 125.084000][ T6059] ext4_xattr_block_set+0x1fce/0x2ac0 [ 125.084051][ T6059] ? __pfx_ext4_xattr_block_set+0x10/0x10 [ 125.084085][ T6059] ? ext4_xattr_block_find+0x2d4/0x350 [ 125.084119][ T6059] ext4_expand_extra_isize_ea+0x12da/0x1ea0 [ 125.084173][ T6059] __ext4_expand_extra_isize+0x30d/0x400 [ 125.084214][ T6059] __ext4_mark_inode_dirty+0x46c/0x700 [ 125.084247][ T6059] ext4_evict_inode+0x80d/0xee0 [ 125.084277][ T6059] ? __pfx_ext4_evict_inode+0x10/0x10 [ 125.084302][ T6059] ? rt_spin_unlock+0x150/0x200 [ 125.084328][ T6059] ? rt_spin_unlock+0x161/0x200 [ 125.084354][ T6059] ? __pfx_ext4_evict_inode+0x10/0x10 [ 125.084378][ T6059] evict+0x504/0x9c0 [ 125.084403][ T6059] ? __pfx_evict+0x10/0x10 [ 125.084424][ T6059] ? rt_spin_unlock+0x161/0x200 [ 125.084450][ T6059] ? iput+0x946/0xc50 [ 125.084483][ T6059] ext4_orphan_cleanup+0xc20/0x1460 [ 125.084514][ T6059] ? __pfx_ext4_orphan_cleanup+0x10/0x10 [ 125.084541][ T6059] ? ext4_register_li_request+0x640/0x720 [ 125.084564][ T6059] ? errseq_check_and_advance+0x66/0x120 [ 125.084599][ T6059] ext4_fill_super+0x593b/0x61f0 [ 125.084630][ T6059] ? __pfx_ext4_fill_super+0x10/0x10 [ 125.084649][ T6059] ? snprintf+0xda/0x120 [ 125.084671][ T6059] ? rt_spin_lock+0x1c1/0x3e0 [ 125.084702][ T6059] ? __pfx_snprintf+0x10/0x10 [ 125.084723][ T6059] ? set_blocksize+0x219/0x450 [ 125.084753][ T6059] ? rt_spin_unlock+0x150/0x200 [ 125.084781][ T6059] ? sb_set_blocksize+0x104/0x180 [ 125.084813][ T6059] ? setup_bdev_super+0x4c1/0x5b0 [ 125.084842][ T6059] get_tree_bdev_flags+0x40e/0x4d0 [ 125.084870][ T6059] ? __pfx_ext4_fill_super+0x10/0x10 [ 125.084890][ T6059] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 125.084916][ T6059] ? cap_capable+0x11f/0x460 [ 125.084935][ T6059] ? safesetid_security_capable+0xa9/0x1a0 [ 125.084959][ T6059] vfs_get_tree+0x92/0x2b0 [ 125.084987][ T6059] do_new_mount+0x302/0xa10 [ 125.085014][ T6059] ? safesetid_security_capable+0xa9/0x1a0 [ 125.085037][ T6059] ? __pfx_do_new_mount+0x10/0x10 [ 125.085066][ T6059] ? ns_capable+0x8a/0xf0 [ 125.085100][ T6059] __se_sys_mount+0x313/0x410 [ 125.085132][ T6059] ? __pfx___se_sys_mount+0x10/0x10 [ 125.085165][ T6059] ? do_syscall_64+0xbe/0xfa0 [ 125.085195][ T6059] ? __x64_sys_mount+0x20/0xc0 [ 125.085227][ T6059] do_syscall_64+0xfa/0xfa0 [ 125.085257][ T6059] ? lockdep_hardirqs_on+0x9c/0x150 [ 125.085288][ T6059] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.085309][ T6059] ? clear_bhb_loop+0x60/0xb0 [ 125.085332][ T6059] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.085349][ T6059] RIP: 0033:0x7fba5f470e6a [ 125.085374][ T6059] 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 [ 125.085389][ T6059] RSP: 002b:00007ffd70b57848 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 125.085407][ T6059] RAX: ffffffffffffffda RBX: 00007ffd70b578d0 RCX: 00007fba5f470e6a [ 125.085423][ T6059] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffd70b57890 [ 125.085438][ T6059] RBP: 0000200000000180 R08: 00007ffd70b578d0 R09: 0000000000800700 [ 125.085452][ T6059] R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0 [ 125.085466][ T6059] R13: 00007ffd70b57890 R14: 000000000000046f R15: 000000000000002c [ 125.085489][ T6059] [ 125.115692][ T6059] ------------[ cut here ]------------ [ 125.115709][ T6059] EA inode 11 i_nlink=2 [ 125.116099][ T6059] WARNING: CPU: 1 PID: 6059 at fs/ext4/xattr.c:1058 ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 125.116140][ T6059] Modules linked in: [ 125.116166][ T6059] CPU: 1 UID: 0 PID: 6059 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 125.116190][ T6059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 125.116206][ T6059] RIP: 0010:ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 125.116231][ T6059] 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 97 94 03 ff 90 <0f> 0b 90 90 4c 8b 6c 24 28 e9 59 fe ff ff e8 13 21 41 08 44 89 f9 [ 125.116250][ T6059] RSP: 0018:ffffc900040d7100 EFLAGS: 00010246 [ 125.116270][ T6059] RAX: c922439bb83dd100 RBX: 0000000000000001 RCX: ffff888034020000 [ 125.116287][ T6059] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 125.116301][ T6059] RBP: ffffc900040d71f8 R08: 0000000000000000 R09: 0000000000000000 [ 125.116315][ T6059] R10: dffffc0000000000 R11: ffffed101712487b R12: 000000000000000b [ 125.116329][ T6059] R13: ffff888051d55738 R14: 1ffff1100a3aaacd R15: ffff888051d55668 [ 125.116343][ T6059] FS: 0000555571067500(0000) GS:ffff888126ef7000(0000) knlGS:0000000000000000 [ 125.116357][ T6059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 125.116368][ T6059] CR2: 000055e8781fa048 CR3: 0000000039db8000 CR4: 00000000003526f0 [ 125.116383][ T6059] Call Trace: [ 125.116390][ T6059] [ 125.116398][ T6059] ? __pfx_inode_set_ctime_to_ts+0x10/0x10 [ 125.116429][ T6059] ? __pfx_ext4_xattr_inode_update_ref+0x10/0x10 [ 125.116454][ T6059] ? ext4_xattr_inode_iget+0x3d2/0x5f0 [ 125.116498][ T6059] ext4_xattr_set_entry+0xabb/0x1e20 [ 125.116546][ T6059] ext4_xattr_ibody_set+0x254/0x6a0 [ 125.116593][ T6059] ext4_expand_extra_isize_ea+0x13ad/0x1ea0 [ 125.116670][ T6059] __ext4_expand_extra_isize+0x30d/0x400 [ 125.116715][ T6059] __ext4_mark_inode_dirty+0x46c/0x700 [ 125.116752][ T6059] ext4_evict_inode+0x80d/0xee0 [ 125.116787][ T6059] ? __pfx_ext4_evict_inode+0x10/0x10 [ 125.116815][ T6059] ? rt_spin_unlock+0x150/0x200 [ 125.116846][ T6059] ? rt_spin_unlock+0x161/0x200 [ 125.116875][ T6059] ? __pfx_ext4_evict_inode+0x10/0x10 [ 125.116903][ T6059] evict+0x504/0x9c0 [ 125.116933][ T6059] ? __pfx_evict+0x10/0x10 [ 125.116957][ T6059] ? rt_spin_unlock+0x161/0x200 [ 125.116987][ T6059] ? iput+0x946/0xc50 [ 125.117025][ T6059] ext4_orphan_cleanup+0xc20/0x1460 [ 125.117060][ T6059] ? __pfx_ext4_orphan_cleanup+0x10/0x10 [ 125.117090][ T6059] ? ext4_register_li_request+0x640/0x720 [ 125.117117][ T6059] ? errseq_check_and_advance+0x66/0x120 [ 125.117150][ T6059] ext4_fill_super+0x593b/0x61f0 [ 125.117185][ T6059] ? __pfx_ext4_fill_super+0x10/0x10 [ 125.117206][ T6059] ? snprintf+0xda/0x120 [ 125.117232][ T6059] ? rt_spin_lock+0x1c1/0x3e0 [ 125.117262][ T6059] ? __pfx_snprintf+0x10/0x10 [ 125.117287][ T6059] ? set_blocksize+0x219/0x450 [ 125.117320][ T6059] ? rt_spin_unlock+0x150/0x200 [ 125.117350][ T6059] ? sb_set_blocksize+0x104/0x180 [ 125.117387][ T6059] ? setup_bdev_super+0x4c1/0x5b0 [ 125.117420][ T6059] get_tree_bdev_flags+0x40e/0x4d0 [ 125.117452][ T6059] ? __pfx_ext4_fill_super+0x10/0x10 [ 125.117475][ T6059] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 125.117505][ T6059] ? cap_capable+0x11f/0x460 [ 125.117528][ T6059] ? safesetid_security_capable+0xa9/0x1a0 [ 125.117555][ T6059] vfs_get_tree+0x92/0x2b0 [ 125.117593][ T6059] do_new_mount+0x302/0xa10 [ 125.117625][ T6059] ? safesetid_security_capable+0xa9/0x1a0 [ 125.117651][ T6059] ? __pfx_do_new_mount+0x10/0x10 [ 125.117685][ T6059] ? ns_capable+0x8a/0xf0 [ 125.117722][ T6059] __se_sys_mount+0x313/0x410 [ 125.117761][ T6059] ? __pfx___se_sys_mount+0x10/0x10 [ 125.117799][ T6059] ? do_syscall_64+0xbe/0xfa0 [ 125.117834][ T6059] ? __x64_sys_mount+0x20/0xc0 [ 125.117870][ T6059] do_syscall_64+0xfa/0xfa0 [ 125.117915][ T6059] ? lockdep_hardirqs_on+0x9c/0x150 [ 125.117949][ T6059] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.117973][ T6059] ? clear_bhb_loop+0x60/0xb0 [ 125.117998][ T6059] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.118020][ T6059] RIP: 0033:0x7fba5f470e6a [ 125.118040][ T6059] 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 [ 125.118059][ T6059] RSP: 002b:00007ffd70b57848 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 125.118082][ T6059] RAX: ffffffffffffffda RBX: 00007ffd70b578d0 RCX: 00007fba5f470e6a [ 125.118099][ T6059] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffd70b57890 [ 125.118116][ T6059] RBP: 0000200000000180 R08: 00007ffd70b578d0 R09: 0000000000800700 [ 125.118132][ T6059] R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0 [ 125.118146][ T6059] R13: 00007ffd70b57890 R14: 000000000000046f R15: 000000000000002c [ 125.118171][ T6059] [ 125.118184][ T6059] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 125.118199][ T6059] CPU: 1 UID: 0 PID: 6059 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 125.118224][ T6059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 125.118238][ T6059] Call Trace: [ 125.118247][ T6059] [ 125.118256][ T6059] dump_stack_lvl+0x99/0x250 [ 125.118292][ T6059] ? __asan_memcpy+0x40/0x70 [ 125.118320][ T6059] ? __pfx_dump_stack_lvl+0x10/0x10 [ 125.118354][ T6059] ? __pfx__printk+0x10/0x10 [ 125.118389][ T6059] vpanic+0x237/0x6d0 [ 125.118411][ T6059] ? __pfx_vpanic+0x10/0x10 [ 125.118438][ T6059] panic+0xb9/0xc0 [ 125.118459][ T6059] ? __pfx_panic+0x10/0x10 [ 125.118487][ T6059] __warn+0x31b/0x4b0 [ 125.118509][ T6059] ? ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 125.118532][ T6059] ? ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 125.118554][ T6059] report_bug+0x2be/0x4f0 [ 125.118622][ T6059] ? ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 125.118645][ T6059] ? ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 125.118668][ T6059] ? ext4_xattr_inode_update_ref+0x51c/0x5b0 [ 125.118689][ T6059] handle_bug+0x84/0x160 [ 125.118712][ T6059] exc_invalid_op+0x1a/0x50 [ 125.118734][ T6059] asm_exc_invalid_op+0x1a/0x20 [ 125.118756][ T6059] RIP: 0010:ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 125.118779][ T6059] 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 97 94 03 ff 90 <0f> 0b 90 90 4c 8b 6c 24 28 e9 59 fe ff ff e8 13 21 41 08 44 89 f9 [ 125.118797][ T6059] RSP: 0018:ffffc900040d7100 EFLAGS: 00010246 [ 125.118818][ T6059] RAX: c922439bb83dd100 RBX: 0000000000000001 RCX: ffff888034020000 [ 125.118835][ T6059] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 125.118848][ T6059] RBP: ffffc900040d71f8 R08: 0000000000000000 R09: 0000000000000000 [ 125.118863][ T6059] R10: dffffc0000000000 R11: ffffed101712487b R12: 000000000000000b [ 125.118880][ T6059] R13: ffff888051d55738 R14: 1ffff1100a3aaacd R15: ffff888051d55668 [ 125.118907][ T6059] ? __pfx_inode_set_ctime_to_ts+0x10/0x10 [ 125.118934][ T6059] ? __pfx_ext4_xattr_inode_update_ref+0x10/0x10 [ 125.118959][ T6059] ? ext4_xattr_inode_iget+0x3d2/0x5f0 [ 125.118999][ T6059] ext4_xattr_set_entry+0xabb/0x1e20 [ 125.119047][ T6059] ext4_xattr_ibody_set+0x254/0x6a0 [ 125.119086][ T6059] ext4_expand_extra_isize_ea+0x13ad/0x1ea0 [ 125.119144][ T6059] __ext4_expand_extra_isize+0x30d/0x400 [ 125.119187][ T6059] __ext4_mark_inode_dirty+0x46c/0x700 [ 125.119223][ T6059] ext4_evict_inode+0x80d/0xee0 [ 125.119257][ T6059] ? __pfx_ext4_evict_inode+0x10/0x10 [ 125.119284][ T6059] ? rt_spin_unlock+0x150/0x200 [ 125.119310][ T6059] ? rt_spin_unlock+0x161/0x200 [ 125.119334][ T6059] ? __pfx_ext4_evict_inode+0x10/0x10 [ 125.119356][ T6059] evict+0x504/0x9c0 [ 125.119380][ T6059] ? __pfx_evict+0x10/0x10 [ 125.119400][ T6059] ? rt_spin_unlock+0x161/0x200 [ 125.119424][ T6059] ? iput+0x946/0xc50 [ 125.119454][ T6059] ext4_orphan_cleanup+0xc20/0x1460 [ 125.119483][ T6059] ? __pfx_ext4_orphan_cleanup+0x10/0x10 [ 125.119510][ T6059] ? ext4_register_li_request+0x640/0x720 [ 125.119532][ T6059] ? errseq_check_and_advance+0x66/0x120 [ 125.119556][ T6059] ext4_fill_super+0x593b/0x61f0 [ 125.119592][ T6059] ? __pfx_ext4_fill_super+0x10/0x10 [ 125.119611][ T6059] ? snprintf+0xda/0x120 [ 125.119631][ T6059] ? rt_spin_lock+0x1c1/0x3e0 [ 125.119657][ T6059] ? __pfx_snprintf+0x10/0x10 [ 125.119677][ T6059] ? set_blocksize+0x219/0x450 [ 125.119706][ T6059] ? rt_spin_unlock+0x150/0x200 [ 125.119731][ T6059] ? sb_set_blocksize+0x104/0x180 [ 125.119761][ T6059] ? setup_bdev_super+0x4c1/0x5b0 [ 125.119786][ T6059] get_tree_bdev_flags+0x40e/0x4d0 [ 125.119812][ T6059] ? __pfx_ext4_fill_super+0x10/0x10 [ 125.119832][ T6059] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 125.119858][ T6059] ? cap_capable+0x11f/0x460 [ 125.119876][ T6059] ? safesetid_security_capable+0xa9/0x1a0 [ 125.119899][ T6059] vfs_get_tree+0x92/0x2b0 [ 125.119925][ T6059] do_new_mount+0x302/0xa10 [ 125.119953][ T6059] ? safesetid_security_capable+0xa9/0x1a0 [ 125.119975][ T6059] ? __pfx_do_new_mount+0x10/0x10 [ 125.120003][ T6059] ? ns_capable+0x8a/0xf0 [ 125.120035][ T6059] __se_sys_mount+0x313/0x410 [ 125.120069][ T6059] ? __pfx___se_sys_mount+0x10/0x10 [ 125.120100][ T6059] ? do_syscall_64+0xbe/0xfa0 [ 125.120130][ T6059] ? __x64_sys_mount+0x20/0xc0 [ 125.120161][ T6059] do_syscall_64+0xfa/0xfa0 [ 125.120189][ T6059] ? lockdep_hardirqs_on+0x9c/0x150 [ 125.120219][ T6059] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.120239][ T6059] ? clear_bhb_loop+0x60/0xb0 [ 125.120263][ T6059] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.120283][ T6059] RIP: 0033:0x7fba5f470e6a [ 125.120301][ T6059] 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 [ 125.120319][ T6059] RSP: 002b:00007ffd70b57848 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 125.120340][ T6059] RAX: ffffffffffffffda RBX: 00007ffd70b578d0 RCX: 00007fba5f470e6a [ 125.120355][ T6059] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffd70b57890 [ 125.120369][ T6059] RBP: 0000200000000180 R08: 00007ffd70b578d0 R09: 0000000000800700 [ 125.120383][ T6059] R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0 [ 125.120396][ T6059] R13: 00007ffd70b57890 R14: 000000000000046f R15: 000000000000002c [ 125.120418][ T6059] [ 125.120745][ T6059] Kernel Offset: disabled