[ 110.612686][ T11] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.115' (ED25519) to the list of known hosts. 2025/10/09 18:25:07 parsed 1 programs [ 121.318544][ T5837] cgroup: Unknown subsys name 'net' [ 121.438186][ T5837] cgroup: Unknown subsys name 'cpuset' [ 121.448293][ T5837] cgroup: Unknown subsys name 'rlimit' [ 123.285080][ T5837] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 125.984047][ T5845] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 127.068038][ T5863] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 127.077009][ T5863] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 127.087233][ T5863] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 127.095678][ T5863] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 127.103676][ T5863] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 129.341863][ T5891] chnl_net:caif_netlink_parms(): no params data found [ 129.457127][ T5891] bridge0: port 1(bridge_slave_0) entered blocking state [ 129.465362][ T5891] bridge0: port 1(bridge_slave_0) entered disabled state [ 129.472981][ T5891] bridge_slave_0: entered allmulticast mode [ 129.481039][ T5891] bridge_slave_0: entered promiscuous mode [ 129.491914][ T5891] bridge0: port 2(bridge_slave_1) entered blocking state [ 129.499080][ T5891] bridge0: port 2(bridge_slave_1) entered disabled state [ 129.506865][ T5891] bridge_slave_1: entered allmulticast mode [ 129.515289][ T5891] bridge_slave_1: entered promiscuous mode [ 129.558316][ T5891] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 129.571448][ T5891] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 129.611572][ T5891] team0: Port device team_slave_0 added [ 129.620824][ T5891] team0: Port device team_slave_1 added [ 129.658230][ T5891] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 129.665336][ T5891] 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. [ 129.691616][ T5891] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 129.705076][ T5891] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 129.712301][ T5891] 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. [ 129.738300][ T5891] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 129.793195][ T5891] hsr_slave_0: entered promiscuous mode [ 129.799944][ T5891] hsr_slave_1: entered promiscuous mode [ 129.992302][ T5891] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 130.006597][ T5891] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 130.018297][ T5891] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 130.029432][ T5891] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 130.071977][ T5891] bridge0: port 2(bridge_slave_1) entered blocking state [ 130.079201][ T5891] bridge0: port 2(bridge_slave_1) entered forwarding state [ 130.087487][ T5891] bridge0: port 1(bridge_slave_0) entered blocking state [ 130.094664][ T5891] bridge0: port 1(bridge_slave_0) entered forwarding state [ 130.132237][ T1148] bridge0: port 1(bridge_slave_0) entered disabled state [ 130.145242][ T1148] bridge0: port 2(bridge_slave_1) entered disabled state [ 130.196894][ T5891] 8021q: adding VLAN 0 to HW filter on device bond0 [ 130.223875][ T5891] 8021q: adding VLAN 0 to HW filter on device team0 [ 130.237363][ T1148] bridge0: port 1(bridge_slave_0) entered blocking state [ 130.244574][ T1148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 130.264492][ T50] bridge0: port 2(bridge_slave_1) entered blocking state [ 130.271706][ T50] bridge0: port 2(bridge_slave_1) entered forwarding state [ 130.589068][ T5891] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 130.673317][ T5891] veth0_vlan: entered promiscuous mode [ 130.690531][ T5891] veth1_vlan: entered promiscuous mode [ 130.725547][ T5891] veth0_macvtap: entered promiscuous mode [ 130.736349][ T5891] veth1_macvtap: entered promiscuous mode [ 130.762304][ T5891] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 130.784291][ T5891] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 130.802659][ T60] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 130.812985][ T60] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 130.821925][ T60] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 130.832552][ T60] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 130.992577][ T36] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 131.068116][ T36] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 131.145630][ T36] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 131.231972][ T36] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 131.599475][ T50] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 131.607841][ T50] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 131.644535][ T50] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 131.653744][ T50] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/10/09 18:25:23 executed programs: 0 [ 132.457074][ T5863] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 132.466248][ T5863] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 132.474169][ T5863] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 132.483069][ T5863] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 132.491169][ T5863] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 132.712266][ T5936] chnl_net:caif_netlink_parms(): no params data found [ 132.812752][ T5936] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.820909][ T5936] bridge0: port 1(bridge_slave_0) entered disabled state [ 132.828374][ T5936] bridge_slave_0: entered allmulticast mode [ 132.836258][ T5936] bridge_slave_0: entered promiscuous mode [ 132.845157][ T5936] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.853541][ T5936] bridge0: port 2(bridge_slave_1) entered disabled state [ 132.862001][ T5936] bridge_slave_1: entered allmulticast mode [ 132.870375][ T5936] bridge_slave_1: entered promiscuous mode [ 132.910806][ T5936] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 132.925201][ T5936] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 132.967231][ T5936] team0: Port device team_slave_0 added [ 132.976496][ T5936] team0: Port device team_slave_1 added [ 133.025004][ T5936] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 133.032236][ T5936] 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. [ 133.058952][ T5936] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 133.073076][ T5936] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 133.080296][ T5936] 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. [ 133.106507][ T5936] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 133.161255][ T5936] hsr_slave_0: entered promiscuous mode [ 133.168240][ T5936] hsr_slave_1: entered promiscuous mode [ 133.174900][ T5936] debugfs: 'hsr0' already exists in 'hsr' [ 133.180792][ T5936] Cannot create hsr debugfs directory [ 133.443745][ T36] bridge_slave_1: left allmulticast mode [ 133.450665][ T36] bridge_slave_1: left promiscuous mode [ 133.457586][ T36] bridge0: port 2(bridge_slave_1) entered disabled state [ 133.484225][ T36] bridge_slave_0: left allmulticast mode [ 133.490119][ T36] bridge_slave_0: left promiscuous mode [ 133.495943][ T36] bridge0: port 1(bridge_slave_0) entered disabled state [ 133.819793][ T36] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 133.832699][ T36] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 133.843649][ T36] bond0 (unregistering): Released all slaves [ 133.953075][ T36] hsr_slave_0: left promiscuous mode [ 133.959392][ T36] hsr_slave_1: left promiscuous mode [ 133.967516][ T36] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 133.977551][ T36] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 133.987580][ T36] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 133.995298][ T36] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 134.019792][ T36] veth1_macvtap: left promiscuous mode [ 134.026206][ T36] veth0_macvtap: left promiscuous mode [ 134.032376][ T36] veth1_vlan: left promiscuous mode [ 134.038834][ T36] veth0_vlan: left promiscuous mode [ 134.404182][ T36] team0 (unregistering): Port device team_slave_1 removed [ 134.433719][ T36] team0 (unregistering): Port device team_slave_0 removed [ 134.531944][ T5142] Bluetooth: hci0: command tx timeout [ 135.033336][ T5936] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 135.051599][ T5936] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 135.088195][ T5936] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 135.106239][ T5936] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 135.548653][ T5936] 8021q: adding VLAN 0 to HW filter on device bond0 [ 135.593090][ T5936] 8021q: adding VLAN 0 to HW filter on device team0 [ 135.611784][ T1322] bridge0: port 1(bridge_slave_0) entered blocking state [ 135.618961][ T1322] bridge0: port 1(bridge_slave_0) entered forwarding state [ 135.706462][ T1322] bridge0: port 2(bridge_slave_1) entered blocking state [ 135.713721][ T1322] bridge0: port 2(bridge_slave_1) entered forwarding state [ 136.191721][ T5936] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 136.264644][ T5936] veth0_vlan: entered promiscuous mode [ 136.284654][ T5936] veth1_vlan: entered promiscuous mode [ 136.326144][ T5936] veth0_macvtap: entered promiscuous mode [ 136.337545][ T5936] veth1_macvtap: entered promiscuous mode [ 136.369355][ T5936] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 136.387392][ T5936] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 136.406149][ T1322] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 136.415160][ T1322] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 136.429800][ T1322] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 136.441462][ T1322] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 136.544121][ T1322] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 136.556277][ T1322] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 136.602108][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 136.610646][ T5142] Bluetooth: hci0: command tx timeout [ 136.616584][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 136.708399][ T6003] loop0: detected capacity change from 0 to 512 [ 136.766341][ T6003] [ 136.768716][ T6003] ====================================================== [ 136.775758][ T6003] WARNING: possible circular locking dependency detected [ 136.782802][ T6003] syzkaller #0 Not tainted [ 136.787284][ T6003] ------------------------------------------------------ [ 136.794329][ T6003] syz.0.17/6003 is trying to acquire lock: [ 136.800146][ T6003] ffff888031900b98 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x27a/0x600 [ 136.810042][ T6003] [ 136.810042][ T6003] but task is already holding lock: [ 136.817523][ T6003] ffff8880731d4d48 (&ei->xattr_sem){++++}-{4:4}, at: __ext4_mark_inode_dirty+0x4ba/0x870 [ 136.827434][ T6003] [ 136.827434][ T6003] which lock already depends on the new lock. [ 136.827434][ T6003] [ 136.837953][ T6003] [ 136.837953][ T6003] the existing dependency chain (in reverse order) is: [ 136.846977][ T6003] [ 136.846977][ T6003] -> #2 (&ei->xattr_sem){++++}-{4:4}: [ 136.854581][ T6003] down_read+0x9b/0x480 [ 136.859297][ T6003] ext4_setattr+0x875/0x2ae0 [ 136.864447][ T6003] notify_change+0x6d2/0x12a0 [ 136.869763][ T6003] chown_common+0x54e/0x680 [ 136.874807][ T6003] do_fchownat+0x1a7/0x200 [ 136.879755][ T6003] __x64_sys_chown+0x7b/0xc0 [ 136.884882][ T6003] do_syscall_64+0xcd/0xfa0 [ 136.889947][ T6003] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 136.896405][ T6003] [ 136.896405][ T6003] -> #1 (jbd2_handle){++++}-{0:0}: [ 136.903752][ T6003] start_this_handle+0x5ea/0x1410 [ 136.909346][ T6003] jbd2__journal_start+0x394/0x6a0 [ 136.915114][ T6003] __ext4_journal_start_sb+0x195/0x690 [ 136.921205][ T6003] ext4_do_writepages+0xc23/0x3cf0 [ 136.926863][ T6003] ext4_writepages+0x37a/0x7d0 [ 136.932171][ T6003] do_writepages+0x27a/0x600 [ 136.937299][ T6003] __writeback_single_inode+0x160/0xfb0 [ 136.943397][ T6003] writeback_sb_inodes+0x60d/0xfa0 [ 136.949065][ T6003] __writeback_inodes_wb+0xf8/0x2d0 [ 136.954810][ T6003] wb_writeback+0x7f3/0xb70 [ 136.959853][ T6003] wb_workfn+0x8ca/0xbe0 [ 136.964640][ T6003] process_one_work+0x9cf/0x1b70 [ 136.970132][ T6003] worker_thread+0x6c8/0xf10 [ 136.975257][ T6003] kthread+0x3c5/0x780 [ 136.979847][ T6003] ret_from_fork+0x675/0x7d0 [ 136.984991][ T6003] ret_from_fork_asm+0x1a/0x30 [ 136.990280][ T6003] [ 136.990280][ T6003] -> #0 (&sbi->s_writepages_rwsem){++++}-{0:0}: [ 136.998726][ T6003] __lock_acquire+0x12a6/0x1ce0 [ 137.004132][ T6003] lock_acquire+0x179/0x350 [ 137.009466][ T6003] ext4_writepages+0x224/0x7d0 [ 137.014773][ T6003] do_writepages+0x27a/0x600 [ 137.019885][ T6003] __writeback_single_inode+0x160/0xfb0 [ 137.025963][ T6003] writeback_single_inode+0x2bc/0x550 [ 137.031875][ T6003] write_inode_now+0x170/0x1e0 [ 137.037262][ T6003] iput.part.0+0x487/0xb00 [ 137.042209][ T6003] iput+0x35/0x40 [ 137.046502][ T6003] ext4_xattr_block_set+0x67c/0x3650 [ 137.052336][ T6003] ext4_expand_extra_isize_ea+0x1442/0x1ab0 [ 137.058759][ T6003] __ext4_expand_extra_isize+0x346/0x480 [ 137.064934][ T6003] __ext4_mark_inode_dirty+0x544/0x870 [ 137.070930][ T6003] ext4_evict_inode+0x74e/0x18e0 [ 137.076405][ T6003] evict+0x3e6/0x920 [ 137.080823][ T6003] iput.part.0+0x6a9/0xb00 [ 137.085761][ T6003] iput+0x35/0x40 [ 137.089925][ T6003] ext4_orphan_cleanup+0x731/0x11e0 [ 137.095731][ T6003] ext4_fill_super+0x8db7/0xaf70 [ 137.101262][ T6003] get_tree_bdev_flags+0x38c/0x620 [ 137.106932][ T6003] vfs_get_tree+0x8e/0x340 [ 137.111885][ T6003] path_mount+0x7b9/0x23a0 [ 137.116826][ T6003] __x64_sys_mount+0x293/0x310 [ 137.122111][ T6003] do_syscall_64+0xcd/0xfa0 [ 137.127142][ T6003] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 137.133558][ T6003] [ 137.133558][ T6003] other info that might help us debug this: [ 137.133558][ T6003] [ 137.143783][ T6003] Chain exists of: [ 137.143783][ T6003] &sbi->s_writepages_rwsem --> jbd2_handle --> &ei->xattr_sem [ 137.143783][ T6003] [ 137.157203][ T6003] Possible unsafe locking scenario: [ 137.157203][ T6003] [ 137.164654][ T6003] CPU0 CPU1 [ 137.170110][ T6003] ---- ---- [ 137.175584][ T6003] lock(&ei->xattr_sem); [ 137.179945][ T6003] lock(jbd2_handle); [ 137.186542][ T6003] lock(&ei->xattr_sem); [ 137.193397][ T6003] rlock(&sbi->s_writepages_rwsem); [ 137.198690][ T6003] [ 137.198690][ T6003] *** DEADLOCK *** [ 137.198690][ T6003] [ 137.206826][ T6003] 3 locks held by syz.0.17/6003: [ 137.211760][ T6003] #0: ffff88807a0c60e0 (&type->s_umount_key#28/1){+.+.}-{4:4}, at: alloc_super+0x1e3/0xb60 [ 137.221937][ T6003] #1: ffff88807a0c6610 (sb_internal){.+.+}-{0:0}, at: evict+0x3e6/0x920 [ 137.230504][ T6003] #2: ffff8880731d4d48 (&ei->xattr_sem){++++}-{4:4}, at: __ext4_mark_inode_dirty+0x4ba/0x870 [ 137.240824][ T6003] [ 137.240824][ T6003] stack backtrace: [ 137.246733][ T6003] CPU: 0 UID: 0 PID: 6003 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 137.246776][ T6003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 137.246795][ T6003] Call Trace: [ 137.246815][ T6003] [ 137.246828][ T6003] dump_stack_lvl+0x116/0x1f0 [ 137.246877][ T6003] print_circular_bug+0x275/0x350 [ 137.246932][ T6003] check_noncircular+0x14c/0x170 [ 137.246987][ T6003] __lock_acquire+0x12a6/0x1ce0 [ 137.247042][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.247085][ T6003] lock_acquire+0x179/0x350 [ 137.247112][ T6003] ? do_writepages+0x27a/0x600 [ 137.247144][ T6003] ? __pfx___might_resched+0x10/0x10 [ 137.247189][ T6003] ext4_writepages+0x224/0x7d0 [ 137.247228][ T6003] ? do_writepages+0x27a/0x600 [ 137.247257][ T6003] ? __pfx_ext4_writepages+0x10/0x10 [ 137.247303][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.247344][ T6003] ? __pfx_ext4_writepages+0x10/0x10 [ 137.247383][ T6003] do_writepages+0x27a/0x600 [ 137.247416][ T6003] ? __pfx_do_writepages+0x10/0x10 [ 137.247450][ T6003] __writeback_single_inode+0x160/0xfb0 [ 137.247492][ T6003] ? __pfx___writeback_single_inode+0x10/0x10 [ 137.247531][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.247568][ T6003] ? do_raw_spin_unlock+0x172/0x230 [ 137.247604][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.247644][ T6003] writeback_single_inode+0x2bc/0x550 [ 137.247692][ T6003] write_inode_now+0x170/0x1e0 [ 137.247731][ T6003] ? __pfx_write_inode_now+0x10/0x10 [ 137.247770][ T6003] ? __pfx___ext4_mark_inode_dirty+0x10/0x10 [ 137.247831][ T6003] ? find_held_lock+0x2b/0x80 [ 137.247871][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.247910][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.247951][ T6003] iput.part.0+0x487/0xb00 [ 137.247988][ T6003] iput+0x35/0x40 [ 137.248017][ T6003] ext4_xattr_block_set+0x67c/0x3650 [ 137.248079][ T6003] ? __pfx_ext4_xattr_block_set+0x10/0x10 [ 137.248133][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.248171][ T6003] ? xattr_find_entry+0x289/0x330 [ 137.248222][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.248259][ T6003] ? ext4_xattr_block_find+0x59/0x430 [ 137.248311][ T6003] ext4_expand_extra_isize_ea+0x1442/0x1ab0 [ 137.248356][ T6003] ? __pfx_ext4_expand_extra_isize_ea+0x10/0x10 [ 137.248395][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.248437][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.248475][ T6003] ? dquot_initialize_needed+0x183/0x2a0 [ 137.248511][ T6003] __ext4_expand_extra_isize+0x346/0x480 [ 137.248567][ T6003] __ext4_mark_inode_dirty+0x544/0x870 [ 137.248610][ T6003] ? __pfx___ext4_mark_inode_dirty+0x10/0x10 [ 137.248656][ T6003] ? __pfx___might_resched+0x10/0x10 [ 137.248702][ T6003] ? ext4_journal_check_start+0x22b/0x340 [ 137.248739][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.248777][ T6003] ? __ext4_journal_start_sb+0x19e/0x690 [ 137.248811][ T6003] ? ext4_evict_inode+0x5cf/0x18e0 [ 137.248853][ T6003] ext4_evict_inode+0x74e/0x18e0 [ 137.248895][ T6003] ? __pfx_ext4_evict_inode+0x10/0x10 [ 137.248935][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.248977][ T6003] ? __pfx_ext4_evict_inode+0x10/0x10 [ 137.249016][ T6003] evict+0x3e6/0x920 [ 137.249048][ T6003] ? __pfx_evict+0x10/0x10 [ 137.249078][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.249120][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.249180][ T6003] iput.part.0+0x6a9/0xb00 [ 137.249212][ T6003] ? __pfx_ext4_drop_inode+0x10/0x10 [ 137.249244][ T6003] iput+0x35/0x40 [ 137.249274][ T6003] ext4_orphan_cleanup+0x731/0x11e0 [ 137.249320][ T6003] ? __pfx_ext4_orphan_cleanup+0x10/0x10 [ 137.249363][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.249400][ T6003] ? ext4_register_li_request+0xec/0x9b0 [ 137.249448][ T6003] ext4_fill_super+0x8db7/0xaf70 [ 137.249506][ T6003] ? __pfx_ext4_fill_super+0x10/0x10 [ 137.249550][ T6003] ? do_raw_spin_lock+0x12c/0x2b0 [ 137.249583][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.249621][ T6003] ? find_held_lock+0x2b/0x80 [ 137.249667][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.249705][ T6003] ? sb_set_blocksize+0x176/0x1d0 [ 137.249753][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.249791][ T6003] ? setup_bdev_super+0x369/0x730 [ 137.249841][ T6003] get_tree_bdev_flags+0x38c/0x620 [ 137.249887][ T6003] ? __pfx_ext4_fill_super+0x10/0x10 [ 137.249933][ T6003] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 137.249980][ T6003] ? apparmor_capable+0x114/0x1d0 [ 137.250025][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.250063][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.250100][ T6003] ? security_capable+0x7e/0x260 [ 137.250141][ T6003] vfs_get_tree+0x8e/0x340 [ 137.250178][ T6003] path_mount+0x7b9/0x23a0 [ 137.250210][ T6003] ? __pfx_path_mount+0x10/0x10 [ 137.250240][ T6003] ? putname+0x154/0x1a0 [ 137.250273][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.250311][ T6003] ? putname+0x154/0x1a0 [ 137.250342][ T6003] ? __x64_sys_mount+0x293/0x310 [ 137.250370][ T6003] __x64_sys_mount+0x293/0x310 [ 137.250399][ T6003] ? __pfx___x64_sys_mount+0x10/0x10 [ 137.250428][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.250472][ T6003] do_syscall_64+0xcd/0xfa0 [ 137.250513][ T6003] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 137.250545][ T6003] RIP: 0033:0x7f45a3d9066a [ 137.250573][ T6003] 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 [ 137.250604][ T6003] RSP: 002b:00007ffd0a6c6538 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 137.250636][ T6003] RAX: ffffffffffffffda RBX: 00007ffd0a6c65c0 RCX: 00007f45a3d9066a [ 137.250662][ T6003] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffd0a6c6580 [ 137.250682][ T6003] RBP: 0000200000000180 R08: 00007ffd0a6c65c0 R09: 0000000001800700 [ 137.250703][ T6003] R10: 0000000001800700 R11: 0000000000000246 R12: 00002000000001c0 [ 137.250723][ T6003] R13: 00007ffd0a6c6580 R14: 000000000000047c R15: 00002000000004c0 [ 137.250754][ T6003] [ 137.831777][ T6003] ------------[ cut here ]------------ [ 137.837295][ T6003] EA inode 11 i_nlink=2 [ 137.838990][ T6003] WARNING: CPU: 1 PID: 6003 at fs/ext4/xattr.c:1056 ext4_xattr_inode_update_ref+0x4ec/0x610 [ 137.853413][ T6003] Modules linked in: [ 137.857339][ T6003] CPU: 1 UID: 0 PID: 6003 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 137.866932][ T6003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 137.878358][ T6003] RIP: 0010:ext4_xattr_inode_update_ref+0x4ec/0x610 [ 137.886044][ T6003] Code: df 48 8d 7b 40 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 23 01 00 00 48 8b 73 40 44 89 e2 48 c7 c7 c0 4c a8 8b e8 55 17 ed fe 90 <0f> 0b 90 90 e9 d9 fe ff ff e8 56 de 2e ff 44 0f b6 2d 01 59 de 0d [ 137.906155][ T6003] RSP: 0018:ffffc90003d0f178 EFLAGS: 00010282 [ 137.912604][ T6003] RAX: 0000000000000000 RBX: ffff888073391f48 RCX: ffffffff817a9ee8 [ 137.920970][ T6003] RDX: ffff8880324d8000 RSI: ffffffff817a9ef5 RDI: 0000000000000001 [ 137.928941][ T6003] RBP: ffffc90003d0f240 R08: 0000000000000001 R09: 0000000000000000 [ 137.937383][ T6003] R10: 0000000000000001 R11: 000000002d2d2d2d R12: 0000000000000002 [ 137.945759][ T6003] R13: 0000000000000000 R14: 1ffff920007a1e32 R15: ffff888073392138 [ 137.954128][ T6003] FS: 0000555560440500(0000) GS:ffff888124ae0000(0000) knlGS:0000000000000000 [ 137.963123][ T6003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 137.969947][ T6003] CR2: 00007fbb2178dd30 CR3: 0000000072497000 CR4: 0000000000350ef0 [ 137.977931][ T6003] Call Trace: [ 137.981275][ T6003] [ 137.984213][ T6003] ? __pfx_ext4_xattr_inode_update_ref+0x10/0x10 [ 137.990606][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 137.996288][ T6003] ? ext4_xattr_inode_iget+0x1ee/0x400 [ 138.001821][ T6003] ext4_xattr_set_entry+0x158f/0x1f00 [ 138.007246][ T6003] ? __pfx_ext4_xattr_set_entry+0x10/0x10 [ 138.013204][ T6003] ? xattr_find_entry+0x289/0x330 [ 138.018295][ T6003] ext4_xattr_ibody_set+0x3d6/0x5d0 [ 138.023536][ T6003] ext4_expand_extra_isize_ea+0x148c/0x1ab0 [ 138.029475][ T6003] ? __pfx_ext4_expand_extra_isize_ea+0x10/0x10 [ 138.035860][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.041578][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.047226][ T6003] ? dquot_initialize_needed+0x183/0x2a0 [ 138.052961][ T6003] __ext4_expand_extra_isize+0x346/0x480 [ 138.058644][ T6003] __ext4_mark_inode_dirty+0x544/0x870 [ 138.064258][ T6003] ? __pfx___ext4_mark_inode_dirty+0x10/0x10 [ 138.070385][ T6003] ? __pfx___might_resched+0x10/0x10 [ 138.075716][ T6003] ? ext4_journal_check_start+0x22b/0x340 [ 138.081489][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.087346][ T6003] ? __ext4_journal_start_sb+0x19e/0x690 [ 138.093062][ T6003] ? ext4_evict_inode+0x5cf/0x18e0 [ 138.098217][ T6003] ext4_evict_inode+0x74e/0x18e0 [ 138.103256][ T6003] ? __pfx_ext4_evict_inode+0x10/0x10 [ 138.108660][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.114363][ T6003] ? __pfx_ext4_evict_inode+0x10/0x10 [ 138.119761][ T6003] evict+0x3e6/0x920 [ 138.123722][ T6003] ? __pfx_evict+0x10/0x10 [ 138.128160][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.133990][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.139668][ T6003] iput.part.0+0x6a9/0xb00 [ 138.144150][ T6003] ? __pfx_ext4_drop_inode+0x10/0x10 [ 138.149461][ T6003] iput+0x35/0x40 [ 138.153140][ T6003] ext4_orphan_cleanup+0x731/0x11e0 [ 138.158379][ T6003] ? __pfx_ext4_orphan_cleanup+0x10/0x10 [ 138.164157][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.169852][ T6003] ? ext4_register_li_request+0xec/0x9b0 [ 138.175534][ T6003] ext4_fill_super+0x8db7/0xaf70 [ 138.180554][ T6003] ? __pfx_ext4_fill_super+0x10/0x10 [ 138.185879][ T6003] ? do_raw_spin_lock+0x12c/0x2b0 [ 138.190980][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.196652][ T6003] ? find_held_lock+0x2b/0x80 [ 138.201584][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.207292][ T6003] ? sb_set_blocksize+0x176/0x1d0 [ 138.212401][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.218067][ T6003] ? setup_bdev_super+0x369/0x730 [ 138.223168][ T6003] get_tree_bdev_flags+0x38c/0x620 [ 138.228336][ T6003] ? __pfx_ext4_fill_super+0x10/0x10 [ 138.233756][ T6003] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 138.239430][ T6003] ? apparmor_capable+0x114/0x1d0 [ 138.244604][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.250308][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.255952][ T6003] ? security_capable+0x7e/0x260 [ 138.260946][ T6003] vfs_get_tree+0x8e/0x340 [ 138.265390][ T6003] path_mount+0x7b9/0x23a0 [ 138.269847][ T6003] ? __pfx_path_mount+0x10/0x10 [ 138.274713][ T6003] ? putname+0x154/0x1a0 [ 138.278955][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.284758][ T6003] ? putname+0x154/0x1a0 [ 138.289029][ T6003] ? __x64_sys_mount+0x293/0x310 [ 138.294058][ T6003] __x64_sys_mount+0x293/0x310 [ 138.298844][ T6003] ? __pfx___x64_sys_mount+0x10/0x10 [ 138.304166][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.309952][ T6003] do_syscall_64+0xcd/0xfa0 [ 138.314508][ T6003] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 138.320462][ T6003] RIP: 0033:0x7f45a3d9066a [ 138.324907][ T6003] 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 [ 138.344576][ T6003] RSP: 002b:00007ffd0a6c6538 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 138.353087][ T6003] RAX: ffffffffffffffda RBX: 00007ffd0a6c65c0 RCX: 00007f45a3d9066a [ 138.361151][ T6003] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffd0a6c6580 [ 138.369179][ T6003] RBP: 0000200000000180 R08: 00007ffd0a6c65c0 R09: 0000000001800700 [ 138.377427][ T6003] R10: 0000000001800700 R11: 0000000000000246 R12: 00002000000001c0 [ 138.385474][ T6003] R13: 00007ffd0a6c6580 R14: 000000000000047c R15: 00002000000004c0 [ 138.393500][ T6003] [ 138.396528][ T6003] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 138.403802][ T6003] CPU: 1 UID: 0 PID: 6003 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 138.412913][ T6003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 138.422966][ T6003] Call Trace: [ 138.426326][ T6003] [ 138.429251][ T6003] dump_stack_lvl+0x3d/0x1f0 [ 138.433942][ T6003] vpanic+0x640/0x6f0 [ 138.437943][ T6003] ? ext4_xattr_inode_update_ref+0x4ec/0x610 [ 138.443939][ T6003] panic+0xca/0xd0 [ 138.447674][ T6003] ? __pfx_panic+0x10/0x10 [ 138.452111][ T6003] ? check_panic_on_warn+0x1f/0xb0 [ 138.457242][ T6003] check_panic_on_warn+0xab/0xb0 [ 138.462191][ T6003] __warn+0xf6/0x3c0 [ 138.466079][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.471887][ T6003] ? ext4_xattr_inode_update_ref+0x4ec/0x610 [ 138.477882][ T6003] report_bug+0x3c3/0x580 [ 138.482214][ T6003] ? ext4_xattr_inode_update_ref+0x4ec/0x610 [ 138.488210][ T6003] handle_bug+0x184/0x210 [ 138.492572][ T6003] exc_invalid_op+0x17/0x50 [ 138.497088][ T6003] asm_exc_invalid_op+0x1a/0x20 [ 138.501941][ T6003] RIP: 0010:ext4_xattr_inode_update_ref+0x4ec/0x610 [ 138.508564][ T6003] Code: df 48 8d 7b 40 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 23 01 00 00 48 8b 73 40 44 89 e2 48 c7 c7 c0 4c a8 8b e8 55 17 ed fe 90 <0f> 0b 90 90 e9 d9 fe ff ff e8 56 de 2e ff 44 0f b6 2d 01 59 de 0d [ 138.528184][ T6003] RSP: 0018:ffffc90003d0f178 EFLAGS: 00010282 [ 138.534265][ T6003] RAX: 0000000000000000 RBX: ffff888073391f48 RCX: ffffffff817a9ee8 [ 138.542241][ T6003] RDX: ffff8880324d8000 RSI: ffffffff817a9ef5 RDI: 0000000000000001 [ 138.550320][ T6003] RBP: ffffc90003d0f240 R08: 0000000000000001 R09: 0000000000000000 [ 138.558474][ T6003] R10: 0000000000000001 R11: 000000002d2d2d2d R12: 0000000000000002 [ 138.566544][ T6003] R13: 0000000000000000 R14: 1ffff920007a1e32 R15: ffff888073392138 [ 138.574621][ T6003] ? __warn_printk+0x198/0x350 [ 138.579422][ T6003] ? __warn_printk+0x1a5/0x350 [ 138.584323][ T6003] ? ext4_xattr_inode_update_ref+0x4eb/0x610 [ 138.590346][ T6003] ? __pfx_ext4_xattr_inode_update_ref+0x10/0x10 [ 138.596722][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.602394][ T6003] ? ext4_xattr_inode_iget+0x1ee/0x400 [ 138.607896][ T6003] ext4_xattr_set_entry+0x158f/0x1f00 [ 138.613317][ T6003] ? __pfx_ext4_xattr_set_entry+0x10/0x10 [ 138.619075][ T6003] ? xattr_find_entry+0x289/0x330 [ 138.624130][ T6003] ext4_xattr_ibody_set+0x3d6/0x5d0 [ 138.629336][ T6003] ext4_expand_extra_isize_ea+0x148c/0x1ab0 [ 138.635272][ T6003] ? __pfx_ext4_expand_extra_isize_ea+0x10/0x10 [ 138.641528][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.647350][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.653004][ T6003] ? dquot_initialize_needed+0x183/0x2a0 [ 138.658736][ T6003] __ext4_expand_extra_isize+0x346/0x480 [ 138.664483][ T6003] __ext4_mark_inode_dirty+0x544/0x870 [ 138.670056][ T6003] ? __pfx___ext4_mark_inode_dirty+0x10/0x10 [ 138.676050][ T6003] ? __pfx___might_resched+0x10/0x10 [ 138.681355][ T6003] ? ext4_journal_check_start+0x22b/0x340 [ 138.687180][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.692828][ T6003] ? __ext4_journal_start_sb+0x19e/0x690 [ 138.698474][ T6003] ? ext4_evict_inode+0x5cf/0x18e0 [ 138.703612][ T6003] ext4_evict_inode+0x74e/0x18e0 [ 138.708584][ T6003] ? __pfx_ext4_evict_inode+0x10/0x10 [ 138.713968][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.719620][ T6003] ? __pfx_ext4_evict_inode+0x10/0x10 [ 138.725005][ T6003] evict+0x3e6/0x920 [ 138.728908][ T6003] ? __pfx_evict+0x10/0x10 [ 138.733329][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.739074][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.744724][ T6003] iput.part.0+0x6a9/0xb00 [ 138.749148][ T6003] ? __pfx_ext4_drop_inode+0x10/0x10 [ 138.754484][ T6003] iput+0x35/0x40 [ 138.758145][ T6003] ext4_orphan_cleanup+0x731/0x11e0 [ 138.763479][ T6003] ? __pfx_ext4_orphan_cleanup+0x10/0x10 [ 138.769137][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.774817][ T6003] ? ext4_register_li_request+0xec/0x9b0 [ 138.780476][ T6003] ext4_fill_super+0x8db7/0xaf70 [ 138.785447][ T6003] ? __pfx_ext4_fill_super+0x10/0x10 [ 138.790832][ T6003] ? do_raw_spin_lock+0x12c/0x2b0 [ 138.795868][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.801530][ T6003] ? find_held_lock+0x2b/0x80 [ 138.806231][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.812224][ T6003] ? sb_set_blocksize+0x176/0x1d0 [ 138.817314][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.822982][ T6003] ? setup_bdev_super+0x369/0x730 [ 138.828038][ T6003] get_tree_bdev_flags+0x38c/0x620 [ 138.833174][ T6003] ? __pfx_ext4_fill_super+0x10/0x10 [ 138.838588][ T6003] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 138.844601][ T6003] ? apparmor_capable+0x114/0x1d0 [ 138.849663][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.855313][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.860968][ T6003] ? security_capable+0x7e/0x260 [ 138.865927][ T6003] vfs_get_tree+0x8e/0x340 [ 138.870377][ T6003] path_mount+0x7b9/0x23a0 [ 138.874833][ T6003] ? __pfx_path_mount+0x10/0x10 [ 138.879707][ T6003] ? putname+0x154/0x1a0 [ 138.883982][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.889629][ T6003] ? putname+0x154/0x1a0 [ 138.893972][ T6003] ? __x64_sys_mount+0x293/0x310 [ 138.898915][ T6003] __x64_sys_mount+0x293/0x310 [ 138.903690][ T6003] ? __pfx___x64_sys_mount+0x10/0x10 [ 138.909065][ T6003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 138.914717][ T6003] do_syscall_64+0xcd/0xfa0 [ 138.919497][ T6003] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 138.925395][ T6003] RIP: 0033:0x7f45a3d9066a [ 138.929817][ T6003] 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 [ 138.949525][ T6003] RSP: 002b:00007ffd0a6c6538 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 138.957950][ T6003] RAX: ffffffffffffffda RBX: 00007ffd0a6c65c0 RCX: 00007f45a3d9066a [ 138.965923][ T6003] RDX: 0000200000000180 RSI: 00002000000001c0 RDI: 00007ffd0a6c6580 [ 138.973899][ T6003] RBP: 0000200000000180 R08: 00007ffd0a6c65c0 R09: 0000000001800700 [ 138.981875][ T6003] R10: 0000000001800700 R11: 0000000000000246 R12: 00002000000001c0 [ 138.989864][ T6003] R13: 00007ffd0a6c6580 R14: 000000000000047c R15: 00002000000004c0 [ 138.997844][ T6003] [ 139.001142][ T6003] Kernel Offset: disabled [ 139.005550][ T6003] Rebooting in 86400 seconds..