[ 92.180060][ T991] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.187' (ED25519) to the list of known hosts. 2025/11/18 06:14:20 parsed 1 programs [ 99.070759][ T5807] cgroup: Unknown subsys name 'net' [ 99.311560][ T5807] cgroup: Unknown subsys name 'cpuset' [ 99.366062][ T5807] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 101.461074][ T5807] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 104.431416][ T5119] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 104.432784][ T5119] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 104.433983][ T5119] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 104.437367][ T5119] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 104.438352][ T5119] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 108.527604][ T5865] chnl_net:caif_netlink_parms(): no params data found [ 109.095968][ T5865] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.096084][ T5865] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.096250][ T5865] bridge_slave_0: entered allmulticast mode [ 109.099540][ T5865] bridge_slave_0: entered promiscuous mode [ 109.104595][ T5865] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.106300][ T5865] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.106583][ T5865] bridge_slave_1: entered allmulticast mode [ 109.109751][ T5865] bridge_slave_1: entered promiscuous mode [ 109.379739][ T5865] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 109.398820][ T5865] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 109.632014][ T5865] team0: Port device team_slave_0 added [ 109.638564][ T5865] team0: Port device team_slave_1 added [ 109.798630][ T5865] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 109.798644][ T5865] 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. [ 109.798663][ T5865] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 109.802654][ T5865] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 109.802671][ T5865] 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. [ 109.802701][ T5865] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 110.043923][ T5865] hsr_slave_0: entered promiscuous mode [ 110.047673][ T5865] hsr_slave_1: entered promiscuous mode [ 110.433774][ T5865] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 110.475079][ T5865] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 110.616670][ T5865] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 110.641091][ T5865] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 110.828965][ T5865] 8021q: adding VLAN 0 to HW filter on device bond0 [ 110.866161][ T5865] 8021q: adding VLAN 0 to HW filter on device team0 [ 110.889799][ T37] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.890586][ T37] bridge0: port 1(bridge_slave_0) entered forwarding state [ 110.941324][ T1525] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.946424][ T1525] bridge0: port 2(bridge_slave_1) entered forwarding state [ 111.354596][ T5865] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 111.414613][ T5865] veth0_vlan: entered promiscuous mode [ 111.427374][ T5865] veth1_vlan: entered promiscuous mode [ 111.466991][ T5865] veth0_macvtap: entered promiscuous mode [ 111.473678][ T5865] veth1_macvtap: entered promiscuous mode [ 111.503091][ T5865] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 111.518863][ T5865] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 111.542537][ T58] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.549031][ T58] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.550075][ T58] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.550148][ T58] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 112.311229][ T58] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 112.567965][ T58] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 113.038113][ T58] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 113.591222][ T2921] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 113.591245][ T2921] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 113.680748][ T1016] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 113.680772][ T1016] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 114.280029][ T58] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.815819][ T58] bridge_slave_1: left allmulticast mode [ 114.816028][ T58] bridge_slave_1: left promiscuous mode [ 114.817873][ T58] bridge0: port 2(bridge_slave_1) entered disabled state [ 114.906614][ T58] bridge_slave_0: left allmulticast mode [ 114.906638][ T58] bridge_slave_0: left promiscuous mode [ 114.906890][ T58] bridge0: port 1(bridge_slave_0) entered disabled state [ 116.546206][ T58] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 116.608248][ T58] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 116.628154][ T58] bond0 (unregistering): Released all slaves [ 117.015332][ T58] hsr_slave_0: left promiscuous mode [ 117.056044][ T58] hsr_slave_1: left promiscuous mode [ 117.057286][ T58] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 117.057379][ T58] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 117.090870][ T58] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 117.090899][ T58] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 117.185628][ T58] veth1_macvtap: left promiscuous mode [ 117.185875][ T58] veth0_macvtap: left promiscuous mode [ 117.186181][ T58] veth1_vlan: left promiscuous mode [ 117.186475][ T58] veth0_vlan: left promiscuous mode [ 119.106106][ T58] team0 (unregistering): Port device team_slave_1 removed [ 119.336048][ T58] team0 (unregistering): Port device team_slave_0 removed 2025/11/18 06:14:47 executed programs: 0 [ 122.729838][ T61] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 122.746843][ T61] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 122.754199][ T61] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 122.770289][ T61] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 122.771186][ T61] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 123.558163][ T5959] chnl_net:caif_netlink_parms(): no params data found [ 124.277134][ T5959] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.277357][ T5959] bridge0: port 1(bridge_slave_0) entered disabled state [ 124.277568][ T5959] bridge_slave_0: entered allmulticast mode [ 124.291651][ T5959] bridge_slave_0: entered promiscuous mode [ 124.297031][ T5959] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.297170][ T5959] bridge0: port 2(bridge_slave_1) entered disabled state [ 124.297386][ T5959] bridge_slave_1: entered allmulticast mode [ 124.302264][ T5959] bridge_slave_1: entered promiscuous mode [ 124.817209][ T61] Bluetooth: hci0: command tx timeout [ 124.900116][ T5959] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 124.911200][ T5959] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 125.167564][ T5959] team0: Port device team_slave_0 added [ 125.173654][ T5959] team0: Port device team_slave_1 added [ 125.350139][ T5959] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 125.350158][ T5959] 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. [ 125.350185][ T5959] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 125.353236][ T5959] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 125.353254][ T5959] 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. [ 125.353273][ T5959] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 125.737682][ T5959] hsr_slave_0: entered promiscuous mode [ 125.738764][ T5959] hsr_slave_1: entered promiscuous mode [ 126.897216][ T61] Bluetooth: hci0: command tx timeout [ 127.722101][ T5959] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 127.750493][ T5959] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 127.793620][ T5959] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 127.830319][ T5959] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 128.036859][ T5959] 8021q: adding VLAN 0 to HW filter on device bond0 [ 128.056818][ T5959] 8021q: adding VLAN 0 to HW filter on device team0 [ 128.071646][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.072731][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 128.092314][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.092738][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 128.460063][ T5959] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 128.547104][ T5959] veth0_vlan: entered promiscuous mode [ 128.559548][ T5959] veth1_vlan: entered promiscuous mode [ 128.614692][ T5959] veth0_macvtap: entered promiscuous mode [ 128.624284][ T5959] veth1_macvtap: entered promiscuous mode [ 128.653290][ T5959] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 128.684952][ T5959] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 128.702721][ T1525] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 128.702943][ T1525] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 128.702985][ T1525] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 128.703040][ T1525] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 128.912471][ T1525] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 128.912492][ T1525] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 128.976922][ T61] Bluetooth: hci0: command tx timeout [ 129.003735][ T37] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 129.003757][ T37] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/11/18 06:14:54 executed programs: 2 [ 129.194558][ T6063] loop0: detected capacity change from 0 to 512 [ 129.322802][ T6063] [ 129.322815][ T6063] ====================================================== [ 129.322824][ T6063] WARNING: possible circular locking dependency detected [ 129.322843][ T6063] syzkaller #0 Not tainted [ 129.322853][ T6063] ------------------------------------------------------ [ 129.322862][ T6063] syz.0.17/6063 is trying to acquire lock: [ 129.322874][ T6063] ffff888034078c58 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x1cc/0x350 [ 129.322941][ T6063] [ 129.322941][ T6063] but task is already holding lock: [ 129.322948][ T6063] ffff8880574e0c90 (&ei->xattr_sem){++++}-{4:4}, at: __ext4_mark_inode_dirty+0x3eb/0x700 [ 129.322997][ T6063] [ 129.322997][ T6063][ 129.322997][ T6063] [ 129.322997][ T6063] which lock already depends on the new lock. [ 129.322997][ T6063] [ 129.323003][ T6063] [ 129.323003][ T6063] the existing dependency chain (in reverse order) is: [ 129.323011][ T6063] [ 129.323011][ T6063] -> #2 (&ei->xattr_sem){++++}-{4:4}: [ 129.323037][ T6063] lock_acquire+0x120/0x360 [ 129.323064][ T6063] down_write+0x3a/0x50 [ 129.323082][ T6063] ext4_xattr_set_handle+0x165/0x1590 [ 129.323112][ T6063] ext4_initxattrs+0x9f/0x110 [ 129.323133][ T6063] security_inode_init_security+0x2a0/0x3f0 [ 129.323161][ T6063] __ext4_new_inode+0x3314/0x3cb0 [ 129.323190][ T6063] ext4_create+0x22d/0x460 [ 129.323212][ T6063] path_openat+0x1500/0x3840 [ 129.323233][ T6063] do_filp_open+0x1fa/0x410 [ 129.323252][ T6063] do_sys_openat2+0x121/0x1c0 [ 129.323269][ T6063] __x64_sys_openat+0x138/0x170 [ 129.323287][ T6063] do_syscall_64+0xfa/0xfa0 [ 129.323314][ T6063] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.323334][ T6063] [ 129.323334][ T6063] -> #1 (jbd2_handle){++++}-{0:0}: [ 129.323362][ T6063] lock_acquire+0x120/0x360 [ 129.323387][ T6063] start_this_handle+0x1fa7/0x21c0 [ 129.323413][ T6063] jbd2__journal_start+0x2c1/0x5b0 [ 129.323437][ T6063] __ext4_journal_start_sb+0x227/0x5c0 [ 129.323466][ T6063] ext4_do_writepages+0xf6f/0x4600 [ 129.323492][ T6063] ext4_writepages+0x205/0x350 [ 129.323518][ T6063] do_writepages+0x32e/0x550 [ 129.323538][ T6063] file_write_and_wait_range+0x244/0x340 [ 129.323562][ T6063] ext4_sync_file+0x2b4/0xb20 [ 129.323589][ T6063] __x64_sys_fsync+0x194/0x1f0 [ 129.323605][ T6063] do_syscall_64+0xfa/0xfa0 [ 129.323632][ T6063] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.323650][ T6063] [ 129.323650][ T6063] -> #0 (&sbi->s_writepages_rwsem){++++}-{0:0}: [ 129.323678][ T6063] validate_chain+0xb9b/0x2140 [ 129.323695][ T6063] __lock_acquire+0xab9/0xd20 [ 129.323719][ T6063] lock_acquire+0x120/0x360 [ 129.323743][ T6063] percpu_down_read_internal+0x48/0x1d0 [ 129.323761][ T6063] ext4_writepages+0x1cc/0x350 [ 129.323779][ T6063] do_writepages+0x32e/0x550 [ 129.323797][ T6063] __writeback_single_inode+0x145/0x1000 [ 129.323820][ T6063] writeback_single_inode+0x1db/0x640 [ 129.323840][ T6063] write_inode_now+0x160/0x1d0 [ 129.323858][ T6063] iput+0x830/0xc50 [ 129.323883][ T6063] ext4_xattr_block_set+0x1fce/0x2ac0 [ 129.323911][ T6063] ext4_expand_extra_isize_ea+0x12da/0x1ea0 [ 129.323940][ T6063] __ext4_expand_extra_isize+0x30d/0x400 [ 129.323957][ T6063] __ext4_mark_inode_dirty+0x46c/0x700 [ 129.323980][ T6063] ext4_evict_inode+0x80d/0xee0 [ 129.324001][ T6063] evict+0x504/0x9c0 [ 129.324020][ T6063] ext4_orphan_cleanup+0xc20/0x1460 [ 129.324041][ T6063] ext4_fill_super+0x593b/0x61f0 [ 129.324059][ T6063] get_tree_bdev_flags+0x40e/0x4d0 [ 129.324083][ T6063] vfs_get_tree+0x92/0x2b0 [ 129.324104][ T6063] do_new_mount+0x302/0xa10 [ 129.324127][ T6063] __se_sys_mount+0x313/0x410 [ 129.324150][ T6063] do_syscall_64+0xfa/0xfa0 [ 129.324175][ T6063] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.324193][ T6063] [ 129.324193][ T6063] other info that might help us debug this: [ 129.324193][ T6063] [ 129.324199][ T6063] Chain exists of: [ 129.324199][ T6063] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem [ 129.324199][ T6063] [ 129.324233][ T6063] Possible unsafe locking scenario: [ 129.324233][ T6063] [ 129.324240][ T6063] CPU0 CPU1 [ 129.324246][ T6063] ---- ---- [ 129.324252][ T6063] lock(&ei->xattr_sem); [ 129.324267][ T6063] lock(jbd2_handle); [ 129.324282][ T6063] lock(&ei->xattr_sem); [ 129.324297][ T6063] rlock(&sbi->s_writepages_rwsem); [ 129.324311][ T6063] [ 129.324311][ T6063] *** DEADLOCK *** [ 129.324311][ T6063] [ 129.324317][ T6063] 3 locks held by syz.0.17/6063: [ 129.324329][ T6063] #0: ffff8880345460d0 (&type->s_umount_key#26/1){+.+.}-{4:4}, at: alloc_super+0x1ba/0x9a0 [ 129.324387][ T6063] #1: ffff888034546770 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x2d6/0xee0 [ 129.324437][ T6063] #2: ffff8880574e0c90 (&ei->xattr_sem){++++}-{4:4}, at: __ext4_mark_inode_dirty+0x3eb/0x700 [ 129.324488][ T6063] [ 129.324488][ T6063] stack backtrace: [ 129.324523][ T6063] CPU: 0 UID: 0 PID: 6063 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 129.324547][ T6063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 129.324568][ T6063] Call Trace: [ 129.324579][ T6063] [ 129.324588][ T6063] dump_stack_lvl+0x189/0x250 [ 129.324624][ T6063] ? __pfx_dump_stack_lvl+0x10/0x10 [ 129.324656][ T6063] ? __pfx__printk+0x10/0x10 [ 129.324682][ T6063] ? print_lock_name+0xde/0x100 [ 129.324707][ T6063] print_circular_bug+0x2ee/0x310 [ 129.324728][ T6063] check_noncircular+0x134/0x160 [ 129.324751][ T6063] validate_chain+0xb9b/0x2140 [ 129.324776][ T6063] ? look_up_lock_class+0x74/0x170 [ 129.324807][ T6063] ? register_lock_class+0x51/0x320 [ 129.324837][ T6063] __lock_acquire+0xab9/0xd20 [ 129.324868][ T6063] ? ext4_writepages+0x1cc/0x350 [ 129.324887][ T6063] lock_acquire+0x120/0x360 [ 129.324913][ T6063] ? ext4_writepages+0x1cc/0x350 [ 129.324935][ T6063] ? _raw_spin_unlock_irqrestore+0x85/0x110 [ 129.324966][ T6063] ? lockdep_hardirqs_on+0x9c/0x150 [ 129.324999][ T6063] percpu_down_read_internal+0x48/0x1d0 [ 129.325018][ T6063] ? ext4_writepages+0x1cc/0x350 [ 129.325039][ T6063] ext4_writepages+0x1cc/0x350 [ 129.325060][ T6063] ? __pfx_ext4_writepages+0x10/0x10 [ 129.325080][ T6063] ? rt_mutex_slowunlock+0x493/0x8a0 [ 129.325109][ T6063] ? rt_spin_unlock+0x150/0x200 [ 129.325135][ T6063] ? rt_spin_unlock+0x161/0x200 [ 129.325162][ T6063] ? __pfx_ext4_writepages+0x10/0x10 [ 129.325180][ T6063] do_writepages+0x32e/0x550 [ 129.325201][ T6063] ? reacquire_held_locks+0x127/0x1d0 [ 129.325229][ T6063] ? rt_spin_lock+0x1c1/0x3e0 [ 129.325252][ T6063] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 129.325281][ T6063] __writeback_single_inode+0x145/0x1000 [ 129.325311][ T6063] writeback_single_inode+0x1db/0x640 [ 129.325336][ T6063] write_inode_now+0x160/0x1d0 [ 129.325357][ T6063] ? __pfx_write_inode_now+0x10/0x10 [ 129.325395][ T6063] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 129.325428][ T6063] ? rt_spin_unlock+0x150/0x200 [ 129.325456][ T6063] ? rt_spin_unlock+0x161/0x200 [ 129.325481][ T6063] iput+0x830/0xc50 [ 129.325522][ T6063] ext4_xattr_block_set+0x1fce/0x2ac0 [ 129.325576][ T6063] ? __pfx_ext4_xattr_block_set+0x10/0x10 [ 129.325609][ T6063] ? ext4_xattr_block_find+0x2d4/0x350 [ 129.325642][ T6063] ext4_expand_extra_isize_ea+0x12da/0x1ea0 [ 129.325693][ T6063] __ext4_expand_extra_isize+0x30d/0x400 [ 129.325717][ T6063] __ext4_mark_inode_dirty+0x46c/0x700 [ 129.325750][ T6063] ext4_evict_inode+0x80d/0xee0 [ 129.325780][ T6063] ? __pfx_ext4_evict_inode+0x10/0x10 [ 129.325804][ T6063] ? rt_spin_unlock+0x150/0x200 [ 129.325830][ T6063] ? rt_spin_unlock+0x161/0x200 [ 129.325855][ T6063] ? __pfx_ext4_evict_inode+0x10/0x10 [ 129.325879][ T6063] evict+0x504/0x9c0 [ 129.325905][ T6063] ? __pfx_evict+0x10/0x10 [ 129.325926][ T6063] ? rt_spin_unlock+0x161/0x200 [ 129.325952][ T6063] ? iput+0x946/0xc50 [ 129.325984][ T6063] ext4_orphan_cleanup+0xc20/0x1460 [ 129.326015][ T6063] ? __pfx_ext4_orphan_cleanup+0x10/0x10 [ 129.326040][ T6063] ? ext4_register_li_request+0x640/0x720 [ 129.326064][ T6063] ? errseq_check_and_advance+0x66/0x120 [ 129.326091][ T6063] ext4_fill_super+0x593b/0x61f0 [ 129.326122][ T6063] ? __pfx_ext4_fill_super+0x10/0x10 [ 129.326141][ T6063] ? snprintf+0xda/0x120 [ 129.326162][ T6063] ? rt_spin_lock+0x1c1/0x3e0 [ 129.326188][ T6063] ? __pfx_snprintf+0x10/0x10 [ 129.326209][ T6063] ? set_blocksize+0x219/0x450 [ 129.326238][ T6063] ? rt_spin_unlock+0x150/0x200 [ 129.326264][ T6063] ? sb_set_blocksize+0x104/0x180 [ 129.326295][ T6063] ? setup_bdev_super+0x4c1/0x5b0 [ 129.326323][ T6063] get_tree_bdev_flags+0x40e/0x4d0 [ 129.326350][ T6063] ? __pfx_ext4_fill_super+0x10/0x10 [ 129.326370][ T6063] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 129.326396][ T6063] ? cap_capable+0x11f/0x460 [ 129.326415][ T6063] ? safesetid_security_capable+0xa9/0x1a0 [ 129.326439][ T6063] vfs_get_tree+0x92/0x2b0 [ 129.326465][ T6063] do_new_mount+0x302/0xa10 [ 129.326493][ T6063] ? safesetid_security_capable+0xa9/0x1a0 [ 129.326523][ T6063] ? __pfx_do_new_mount+0x10/0x10 [ 129.326551][ T6063] ? ns_capable+0x8a/0xf0 [ 129.326582][ T6063] __se_sys_mount+0x313/0x410 [ 129.326613][ T6063] ? __pfx___se_sys_mount+0x10/0x10 [ 129.326644][ T6063] ? do_syscall_64+0xbe/0xfa0 [ 129.326674][ T6063] ? __x64_sys_mount+0x20/0xc0 [ 129.326703][ T6063] do_syscall_64+0xfa/0xfa0 [ 129.326732][ T6063] ? lockdep_hardirqs_on+0x9c/0x150 [ 129.326761][ T6063] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.326782][ T6063] ? clear_bhb_loop+0x60/0xb0 [ 129.326805][ T6063] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.326826][ T6063] RIP: 0033:0x7f82f99f0e6a [ 129.326854][ 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 [ 129.326872][ T6063] RSP: 002b:00007ffc4fb98f38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 129.326894][ T6063] RAX: ffffffffffffffda RBX: 00007ffc4fb98fc0 RCX: 00007f82f99f0e6a [ 129.326910][ T6063] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffc4fb98f80 [ 129.326924][ T6063] RBP: 0000200000000180 R08: 00007ffc4fb98fc0 R09: 0000000000800700 [ 129.326938][ T6063] R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0 [ 129.326952][ T6063] R13: 00007ffc4fb98f80 R14: 000000000000046f R15: 000000000000002c [ 129.326974][ T6063] [ 129.398854][ T6063] ------------[ cut here ]------------ [ 129.398869][ T6063] EA inode 11 i_nlink=2 [ 129.399276][ T6063] WARNING: CPU: 1 PID: 6063 at fs/ext4/xattr.c:1058 ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 129.399320][ T6063] Modules linked in: [ 129.399347][ T6063] CPU: 1 UID: 0 PID: 6063 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 129.399375][ T6063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 129.399389][ T6063] RIP: 0010:ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 129.399414][ 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 92 03 ff 90 <0f> 0b 90 90 4c 8b 6c 24 28 e9 59 fe ff ff e8 83 2e 41 08 44 89 f9 [ 129.399434][ T6063] RSP: 0018:ffffc90003cbf100 EFLAGS: 00010246 [ 129.399454][ T6063] RAX: 7eeb07df16040e00 RBX: 0000000000000001 RCX: ffff888025403c00 [ 129.399471][ T6063] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 129.399484][ T6063] RBP: ffffc90003cbf1f8 R08: 0000000000000000 R09: 0000000000000000 [ 129.399498][ T6063] R10: dffffc0000000000 R11: ffffed101712487b R12: 000000000000000b [ 129.399513][ T6063] R13: ffff888041316ee8 R14: 1ffff11008262dc3 R15: ffff888041316e18 [ 129.399532][ T6063] FS: 0000555561e31500(0000) GS:ffff888126ef7000(0000) knlGS:0000000000000000 [ 129.399552][ T6063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 129.399568][ T6063] CR2: 00007fc4455f17e8 CR3: 0000000033a46000 CR4: 00000000003526f0 [ 129.399589][ T6063] Call Trace: [ 129.399597][ T6063] [ 129.399608][ T6063] ? __pfx_inode_set_ctime_to_ts+0x10/0x10 [ 129.399638][ T6063] ? __pfx_ext4_xattr_inode_update_ref+0x10/0x10 [ 129.399663][ T6063] ? ext4_xattr_inode_iget+0x3d2/0x5f0 [ 129.399702][ T6063] ext4_xattr_set_entry+0xabb/0x1e20 [ 129.399748][ T6063] ext4_xattr_ibody_set+0x254/0x6a0 [ 129.399787][ T6063] ext4_expand_extra_isize_ea+0x13ad/0x1ea0 [ 129.399842][ T6063] __ext4_expand_extra_isize+0x30d/0x400 [ 129.399871][ T6063] __ext4_mark_inode_dirty+0x46c/0x700 [ 129.399905][ T6063] ext4_evict_inode+0x80d/0xee0 [ 129.399939][ T6063] ? __pfx_ext4_evict_inode+0x10/0x10 [ 129.399966][ T6063] ? rt_spin_unlock+0x150/0x200 [ 129.399996][ T6063] ? rt_spin_unlock+0x161/0x200 [ 129.400023][ T6063] ? __pfx_ext4_evict_inode+0x10/0x10 [ 129.400050][ T6063] evict+0x504/0x9c0 [ 129.400079][ T6063] ? __pfx_evict+0x10/0x10 [ 129.400102][ T6063] ? rt_spin_unlock+0x161/0x200 [ 129.400130][ T6063] ? iput+0x946/0xc50 [ 129.400166][ T6063] ext4_orphan_cleanup+0xc20/0x1460 [ 129.400200][ T6063] ? __pfx_ext4_orphan_cleanup+0x10/0x10 [ 129.400227][ T6063] ? ext4_register_li_request+0x640/0x720 [ 129.400261][ T6063] ? errseq_check_and_advance+0x66/0x120 [ 129.400291][ T6063] ext4_fill_super+0x593b/0x61f0 [ 129.400327][ T6063] ? __pfx_ext4_fill_super+0x10/0x10 [ 129.400348][ T6063] ? snprintf+0xda/0x120 [ 129.400371][ T6063] ? rt_spin_lock+0x1c1/0x3e0 [ 129.400399][ T6063] ? __pfx_snprintf+0x10/0x10 [ 129.400422][ T6063] ? set_blocksize+0x219/0x450 [ 129.400455][ T6063] ? rt_spin_unlock+0x150/0x200 [ 129.400484][ T6063] ? sb_set_blocksize+0x104/0x180 [ 129.400518][ T6063] ? setup_bdev_super+0x4c1/0x5b0 [ 129.400548][ T6063] get_tree_bdev_flags+0x40e/0x4d0 [ 129.400577][ T6063] ? __pfx_ext4_fill_super+0x10/0x10 [ 129.400599][ T6063] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 129.400628][ T6063] ? cap_capable+0x11f/0x460 [ 129.400649][ T6063] ? safesetid_security_capable+0xa9/0x1a0 [ 129.400670][ T6063] vfs_get_tree+0x92/0x2b0 [ 129.400699][ T6063] do_new_mount+0x302/0xa10 [ 129.400730][ T6063] ? safesetid_security_capable+0xa9/0x1a0 [ 129.400756][ T6063] ? __pfx_do_new_mount+0x10/0x10 [ 129.400788][ T6063] ? ns_capable+0x8a/0xf0 [ 129.400825][ T6063] __se_sys_mount+0x313/0x410 [ 129.400861][ T6063] ? __pfx___se_sys_mount+0x10/0x10 [ 129.400895][ T6063] ? do_syscall_64+0xbe/0xfa0 [ 129.400927][ T6063] ? __x64_sys_mount+0x20/0xc0 [ 129.400959][ T6063] do_syscall_64+0xfa/0xfa0 [ 129.400992][ T6063] ? lockdep_hardirqs_on+0x9c/0x150 [ 129.401023][ T6063] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.401048][ T6063] ? clear_bhb_loop+0x60/0xb0 [ 129.401072][ T6063] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.401096][ T6063] RIP: 0033:0x7f82f99f0e6a [ 129.401116][ 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 [ 129.401135][ T6063] RSP: 002b:00007ffc4fb98f38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 129.401157][ T6063] RAX: ffffffffffffffda RBX: 00007ffc4fb98fc0 RCX: 00007f82f99f0e6a [ 129.401175][ T6063] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffc4fb98f80 [ 129.401192][ T6063] RBP: 0000200000000180 R08: 00007ffc4fb98fc0 R09: 0000000000800700 [ 129.401207][ T6063] R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0 [ 129.401223][ T6063] R13: 00007ffc4fb98f80 R14: 000000000000046f R15: 000000000000002c [ 129.401255][ T6063] [ 129.401268][ T6063] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 129.401284][ T6063] CPU: 1 UID: 0 PID: 6063 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 129.401310][ T6063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 129.401323][ T6063] Call Trace: [ 129.401332][ T6063] [ 129.401340][ T6063] dump_stack_lvl+0x99/0x250 [ 129.401376][ T6063] ? __asan_memcpy+0x40/0x70 [ 129.401420][ T6063] ? __pfx_dump_stack_lvl+0x10/0x10 [ 129.401454][ T6063] ? __pfx__printk+0x10/0x10 [ 129.401489][ T6063] vpanic+0x237/0x6d0 [ 129.401508][ T6063] ? __pfx_vpanic+0x10/0x10 [ 129.401536][ T6063] panic+0xb9/0xc0 [ 129.401556][ T6063] ? __pfx_panic+0x10/0x10 [ 129.401585][ T6063] __warn+0x31b/0x4b0 [ 129.401607][ T6063] ? ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 129.401630][ T6063] ? ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 129.401652][ T6063] report_bug+0x2be/0x4f0 [ 129.401684][ T6063] ? ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 129.401707][ T6063] ? ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 129.401729][ T6063] ? ext4_xattr_inode_update_ref+0x51c/0x5b0 [ 129.401751][ T6063] handle_bug+0x84/0x160 [ 129.401773][ T6063] exc_invalid_op+0x1a/0x50 [ 129.401797][ T6063] asm_exc_invalid_op+0x1a/0x20 [ 129.401818][ T6063] RIP: 0010:ext4_xattr_inode_update_ref+0x51a/0x5b0 [ 129.401841][ 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 92 03 ff 90 <0f> 0b 90 90 4c 8b 6c 24 28 e9 59 fe ff ff e8 83 2e 41 08 44 89 f9 [ 129.401860][ T6063] RSP: 0018:ffffc90003cbf100 EFLAGS: 00010246 [ 129.401879][ T6063] RAX: 7eeb07df16040e00 RBX: 0000000000000001 RCX: ffff888025403c00 [ 129.401896][ T6063] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 129.401909][ T6063] RBP: ffffc90003cbf1f8 R08: 0000000000000000 R09: 0000000000000000 [ 129.401925][ T6063] R10: dffffc0000000000 R11: ffffed101712487b R12: 000000000000000b [ 129.401941][ T6063] R13: ffff888041316ee8 R14: 1ffff11008262dc3 R15: ffff888041316e18 [ 129.401968][ T6063] ? __pfx_inode_set_ctime_to_ts+0x10/0x10 [ 129.401995][ T6063] ? __pfx_ext4_xattr_inode_update_ref+0x10/0x10 [ 129.402021][ T6063] ? ext4_xattr_inode_iget+0x3d2/0x5f0 [ 129.402060][ T6063] ext4_xattr_set_entry+0xabb/0x1e20 [ 129.402106][ T6063] ext4_xattr_ibody_set+0x254/0x6a0 [ 129.402169][ T6063] ext4_expand_extra_isize_ea+0x13ad/0x1ea0 [ 129.402227][ T6063] __ext4_expand_extra_isize+0x30d/0x400 [ 129.402262][ T6063] __ext4_mark_inode_dirty+0x46c/0x700 [ 129.402297][ T6063] ext4_evict_inode+0x80d/0xee0 [ 129.402332][ T6063] ? __pfx_ext4_evict_inode+0x10/0x10 [ 129.402357][ T6063] ? rt_spin_unlock+0x150/0x200 [ 129.402386][ T6063] ? rt_spin_unlock+0x161/0x200 [ 129.402414][ T6063] ? __pfx_ext4_evict_inode+0x10/0x10 [ 129.402440][ T6063] evict+0x504/0x9c0 [ 129.402468][ T6063] ? __pfx_evict+0x10/0x10 [ 129.402491][ T6063] ? rt_spin_unlock+0x161/0x200 [ 129.402519][ T6063] ? iput+0x946/0xc50 [ 129.402553][ T6063] ext4_orphan_cleanup+0xc20/0x1460 [ 129.402588][ T6063] ? __pfx_ext4_orphan_cleanup+0x10/0x10 [ 129.402616][ T6063] ? ext4_register_li_request+0x640/0x720 [ 129.402641][ T6063] ? errseq_check_and_advance+0x66/0x120 [ 129.402675][ T6063] ext4_fill_super+0x593b/0x61f0 [ 129.402710][ T6063] ? __pfx_ext4_fill_super+0x10/0x10 [ 129.402731][ T6063] ? snprintf+0xda/0x120 [ 129.402755][ T6063] ? rt_spin_lock+0x1c1/0x3e0 [ 129.402780][ T6063] ? __pfx_snprintf+0x10/0x10 [ 129.402803][ T6063] ? set_blocksize+0x219/0x450 [ 129.402836][ T6063] ? rt_spin_unlock+0x150/0x200 [ 129.402865][ T6063] ? sb_set_blocksize+0x104/0x180 [ 129.402898][ T6063] ? setup_bdev_super+0x4c1/0x5b0 [ 129.402928][ T6063] get_tree_bdev_flags+0x40e/0x4d0 [ 129.402958][ T6063] ? __pfx_ext4_fill_super+0x10/0x10 [ 129.402981][ T6063] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 129.403009][ T6063] ? cap_capable+0x11f/0x460 [ 129.403030][ T6063] ? safesetid_security_capable+0xa9/0x1a0 [ 129.403056][ T6063] vfs_get_tree+0x92/0x2b0 [ 129.403086][ T6063] do_new_mount+0x302/0xa10 [ 129.403116][ T6063] ? safesetid_security_capable+0xa9/0x1a0 [ 129.403142][ T6063] ? __pfx_do_new_mount+0x10/0x10 [ 129.403172][ T6063] ? ns_capable+0x8a/0xf0 [ 129.403208][ T6063] __se_sys_mount+0x313/0x410 [ 129.403251][ T6063] ? __pfx___se_sys_mount+0x10/0x10 [ 129.403285][ T6063] ? do_syscall_64+0xbe/0xfa0 [ 129.403317][ T6063] ? __x64_sys_mount+0x20/0xc0 [ 129.403350][ T6063] do_syscall_64+0xfa/0xfa0 [ 129.403381][ T6063] ? lockdep_hardirqs_on+0x9c/0x150 [ 129.403414][ T6063] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.403437][ T6063] ? clear_bhb_loop+0x60/0xb0 [ 129.403462][ T6063] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 129.403484][ T6063] RIP: 0033:0x7f82f99f0e6a [ 129.403501][ 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 [ 129.403520][ T6063] RSP: 002b:00007ffc4fb98f38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 129.403543][ T6063] RAX: ffffffffffffffda RBX: 00007ffc4fb98fc0 RCX: 00007f82f99f0e6a [ 129.403561][ T6063] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffc4fb98f80 [ 129.403579][ T6063] RBP: 0000200000000180 R08: 00007ffc4fb98fc0 R09: 0000000000800700 [ 129.403595][ T6063] R10: 0000000000800700 R11: 0000000000000246 R12: 00002000000001c0 [ 129.403611][ T6063] R13: 00007ffc4fb98f80 R14: 000000000000046f R15: 000000000000002c [ 129.403637][ T6063] [ 129.404031][ T6063] Kernel Offset: disabled