Warning: Permanently added '10.128.1.220' (ED25519) to the list of known hosts. 1970/01/01 00:00:43 ignoring optional flag "type"="gce" 1970/01/01 00:00:44 parsed 1 programs [ 44.118775][ T6761] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS 1970/01/01 00:00:44 executed programs: 0 [ 44.136263][ T54] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.136919][ T54] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.137070][ T54] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.137334][ T54] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.137505][ T54] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 44.185902][ T6769] chnl_net:caif_netlink_parms(): no params data found [ 44.206436][ T6769] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.208123][ T6769] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.209421][ T6769] bridge_slave_0: entered allmulticast mode [ 44.210012][ T6769] bridge_slave_0: entered promiscuous mode [ 44.210784][ T6769] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.210801][ T6769] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.210840][ T6769] bridge_slave_1: entered allmulticast mode [ 44.211211][ T6769] bridge_slave_1: entered promiscuous mode [ 44.221600][ T6769] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 44.222442][ T6769] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 44.228885][ T6769] team0: Port device team_slave_0 added [ 44.229610][ T6769] team0: Port device team_slave_1 added [ 44.236417][ T6769] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 44.236438][ T6769] 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. [ 44.236451][ T6769] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 44.236920][ T6769] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 44.236926][ T6769] 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. [ 44.236938][ T6769] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 44.252134][ T6769] hsr_slave_0: entered promiscuous mode [ 44.252435][ T6769] hsr_slave_1: entered promiscuous mode [ 44.546742][ T6769] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 44.549743][ T6769] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 44.552070][ T6769] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 44.554596][ T6769] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 44.564656][ T6769] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.564697][ T6769] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.564769][ T6769] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.564793][ T6769] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.583162][ T6769] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.586081][ T493] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.587343][ T493] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.599411][ T6769] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.607884][ T3809] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.607923][ T3809] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.612449][ T493] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.612484][ T493] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.668224][ T6769] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.680887][ T6769] veth0_vlan: entered promiscuous mode [ 44.683974][ T6769] veth1_vlan: entered promiscuous mode [ 44.692933][ T6769] veth0_macvtap: entered promiscuous mode [ 44.695659][ T6769] veth1_macvtap: entered promiscuous mode [ 44.700154][ T6769] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.703438][ T6769] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.708003][ T3809] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.708048][ T3809] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.708068][ T3809] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.708082][ T3809] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.757381][ T6843] loop0: detected capacity change from 0 to 1024 [ 44.779041][ T6843] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 44.790452][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 44.792844][ T6769] ------------[ cut here ]------------ [ 44.792853][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 44.795382][ T6769] Modules linked in: [ 44.795994][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 44.797495][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.798885][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.800125][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 44.801081][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 44.802075][ T6769] sp : ffff8000a50e7100 [ 44.802718][ T6769] x29: ffff8000a50e7260 x28: ffff0000e1166300 x27: 0000000000000001 [ 44.803884][ T6769] x26: 0000000000000000 x25: 1fffe0001c22cc60 x24: ffff0000e11662d8 [ 44.805067][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 44.806244][ T6769] x20: ffff0000d135a068 x19: ffff0000d135a000 x18: 1fffe00033781890 [ 44.807385][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 44.808539][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 44.809772][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 44.810956][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 44.812175][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 44.813349][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 44.814520][ T6769] Call trace: [ 44.815101][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 44.816066][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 44.816836][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 44.817675][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 44.818565][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 44.819461][ T6769] ext4_dirty_inode+0xd4/0x104 [ 44.820165][ T6769] __mark_inode_dirty+0x358/0x15bc [ 44.820892][ T6769] iput+0x36c/0xfdc [ 44.821519][ T6769] dentry_unlink_inode+0x384/0x45c [ 44.822420][ T6769] __dentry_kill+0x170/0x594 [ 44.823154][ T6769] shrink_kill+0xd4/0x2cc [ 44.823857][ T6769] shrink_dentry_list+0x31c/0x6cc [ 44.824616][ T6769] shrink_dcache_tree+0xc0/0x290 [ 44.825344][ T6769] do_one_tree+0x30/0xf4 [ 44.826025][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 44.826839][ T6769] generic_shutdown_super+0x68/0x2b8 [ 44.827655][ T6769] kill_block_super+0x44/0x90 [ 44.828302][ T6769] ext4_kill_sb+0x68/0xa4 [ 44.828928][ T6769] deactivate_locked_super+0xc4/0x12c [ 44.829691][ T6769] deactivate_super+0xe0/0x100 [ 44.830253][ T6769] cleanup_mnt+0x31c/0x3ac [ 44.830931][ T6769] __cleanup_mnt+0x20/0x30 [ 44.831543][ T6769] task_work_run+0x1dc/0x260 [ 44.832160][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 44.832957][ T6769] el0_svc+0x17c/0x26c [ 44.833561][ T6769] el0t_64_sync_handler+0x84/0x12c [ 44.834270][ T6769] el0t_64_sync+0x198/0x19c [ 44.834933][ T6769] irq event stamp: 146410 [ 44.835595][ T6769] hardirqs last enabled at (146409): [] finish_lock_switch+0xb0/0x1c0 [ 44.837157][ T6769] hardirqs last disabled at (146410): [] el1_brk64+0x20/0x54 [ 44.838427][ T6769] softirqs last enabled at (146406): [] handle_softirqs+0xaf8/0xc88 [ 44.839848][ T6769] softirqs last disabled at (146295): [] __do_softirq+0x14/0x20 [ 44.841092][ T6769] ---[ end trace 0000000000000000 ]--- [ 44.849141][ T6769] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2857: Unable to expand inode 14. Delete some EAs or run e2fsck. [ 44.854124][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 44.877220][ T6854] loop0: detected capacity change from 0 to 1024 [ 44.892771][ T6854] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 44.916828][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 44.916935][ T6769] ------------[ cut here ]------------ [ 44.916940][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 44.921753][ T6769] Modules linked in: [ 44.922365][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 44.923965][ T6769] Tainted: [W]=WARN [ 44.924520][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 44.926048][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 44.927231][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 44.928162][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 44.929101][ T6769] sp : ffff8000a50e7100 [ 44.929673][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6d91fa0 x27: 0000000000000001 [ 44.930871][ T6769] x26: 0000000000000000 x25: 1fffe0001cdb23f4 x24: ffff0000e6d91f78 [ 44.932025][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 44.933269][ T6769] x20: ffff0000c32da068 x19: ffff0000c32da000 x18: 00000000ffffffff [ 44.934488][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 44.935692][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 44.936942][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 44.938558][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 44.939904][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 44.941201][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 44.942438][ T6769] Call trace: [ 44.942906][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 44.943840][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 44.944673][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 44.945570][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 44.946480][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 44.947330][ T6769] ext4_dirty_inode+0xd4/0x104 [ 44.948079][ T6769] __mark_inode_dirty+0x358/0x15bc [ 44.948823][ T6769] iput+0x36c/0xfdc [ 44.949382][ T6769] dentry_unlink_inode+0x384/0x45c [ 44.950163][ T6769] __dentry_kill+0x170/0x594 [ 44.950880][ T6769] shrink_kill+0xd4/0x2cc [ 44.951600][ T6769] shrink_dentry_list+0x31c/0x6cc [ 44.952407][ T6769] shrink_dcache_tree+0xc0/0x290 [ 44.953193][ T6769] do_one_tree+0x30/0xf4 [ 44.953894][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 44.954806][ T6769] generic_shutdown_super+0x68/0x2b8 [ 44.955615][ T6769] kill_block_super+0x44/0x90 [ 44.956372][ T6769] ext4_kill_sb+0x68/0xa4 [ 44.957043][ T6769] deactivate_locked_super+0xc4/0x12c [ 44.958006][ T6769] deactivate_super+0xe0/0x100 [ 44.958786][ T6769] cleanup_mnt+0x31c/0x3ac [ 44.959465][ T6769] __cleanup_mnt+0x20/0x30 [ 44.960177][ T6769] task_work_run+0x1dc/0x260 [ 44.960921][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 44.961787][ T6769] el0_svc+0x17c/0x26c [ 44.962422][ T6769] el0t_64_sync_handler+0x84/0x12c [ 44.963212][ T6769] el0t_64_sync+0x198/0x19c [ 44.963878][ T6769] irq event stamp: 154166 [ 44.964519][ T6769] hardirqs last enabled at (154165): [] irqentry_exit+0x1b4/0x308 [ 44.965979][ T6769] hardirqs last disabled at (154166): [] el1_brk64+0x20/0x54 [ 44.967392][ T6769] softirqs last enabled at (153942): [] local_bh_enable+0x10/0x34 [ 44.968851][ T6769] softirqs last disabled at (153940): [] local_bh_disable+0x10/0x34 [ 44.970308][ T6769] ---[ end trace 0000000000000000 ]--- [ 44.977068][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 44.995094][ T6865] loop0: detected capacity change from 0 to 1024 [ 45.020138][ T6865] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 45.024732][ ** replaying previous printk message ** [ 45.024732][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 45.024997][ T6769] ------------[ cut here ]------------ [ 45.025001][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 45.030132][ T6769] Modules linked in: [ 45.030784][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 45.032576][ T6769] Tainted: [W]=WARN [ 45.033202][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.034776][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.035933][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 45.036955][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 45.037883][ T6769] sp : ffff8000a50e7100 [ 45.038528][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e002c0 x27: 0000000000000001 [ 45.039776][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc0058 x24: ffff0000e6e00298 [ 45.040976][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 45.042216][ T6769] x20: ffff0000c71ae068 x19: ffff0000c71ae000 x18: 1fffe00033781890 [ 45.043434][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 45.044702][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 45.045927][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 45.047124][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 45.048411][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 45.049689][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 45.050992][ T6769] Call trace: [ 45.051473][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 45.052573][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 45.053375][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 45.054282][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 45.055215][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 45.056029][ T6769] ext4_dirty_inode+0xd4/0x104 [ 45.056773][ T6769] __mark_inode_dirty+0x358/0x15bc [ 45.057518][ T6769] iput+0x36c/0xfdc [ 45.058071][ T6769] dentry_unlink_inode+0x384/0x45c [ 45.058846][ T6769] __dentry_kill+0x170/0x594 [ 45.059526][ T6769] shrink_kill+0xd4/0x2cc [ 45.060190][ T6769] shrink_dentry_list+0x31c/0x6cc [ 45.060948][ T6769] shrink_dcache_tree+0xc0/0x290 [ 45.061713][ T6769] do_one_tree+0x30/0xf4 [ 45.062355][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 45.063157][ T6769] generic_shutdown_super+0x68/0x2b8 [ 45.063998][ T6769] kill_block_super+0x44/0x90 [ 45.064680][ T6769] ext4_kill_sb+0x68/0xa4 [ 45.065317][ T6769] deactivate_locked_super+0xc4/0x12c [ 45.066138][ T6769] deactivate_super+0xe0/0x100 [ 45.066879][ T6769] cleanup_mnt+0x31c/0x3ac [ 45.067552][ T6769] __cleanup_mnt+0x20/0x30 [ 45.068226][ T6769] task_work_run+0x1dc/0x260 [ 45.068897][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 45.069653][ T6769] el0_svc+0x17c/0x26c [ 45.070323][ T6769] el0t_64_sync_handler+0x84/0x12c [ 45.071088][ T6769] el0t_64_sync+0x198/0x19c [ 45.071743][ T6769] irq event stamp: 160530 [ 45.072433][ T6769] hardirqs last enabled at (160529): [] finish_lock_switch+0xb0/0x1c0 [ 45.073988][ T6769] hardirqs last disabled at (160530): [] el1_brk64+0x20/0x54 [ 45.075381][ T6769] softirqs last enabled at (160454): [] local_bh_enable+0x10/0x34 [ 45.076827][ T6769] softirqs last disabled at (160452): [] local_bh_disable+0x10/0x34 [ 45.078247][ T6769] ---[ end trace 0000000000000000 ]--- [ 45.085068][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 45.105341][ T6875] loop0: detected capacity change from 0 to 1024 [ 45.121535][ T6875] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 45.124877][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 45.126859][ T6769] ------------[ cut here ]------------ [ 45.126867][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 45.129327][ T6769] Modules linked in: [ 45.129938][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 45.131435][ T6769] Tainted: [W]=WARN [ 45.132019][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.133435][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.134540][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 45.135464][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 45.136416][ T6769] sp : ffff8000a50e7100 [ 45.137046][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e06300 x27: 0000000000000001 [ 45.138261][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc0c60 x24: ffff0000e6e062d8 [ 45.139482][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 45.140687][ T6769] x20: ffff0000dafb4068 x19: ffff0000dafb4000 x18: 1fffe0003377d090 [ 45.141826][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 45.143007][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 45.144244][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 45.145479][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 45.146718][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 45.147885][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 45.149065][ T6769] Call trace: [ 45.149520][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 45.150519][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 45.151266][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 45.152284][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 45.153219][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 45.154030][ T6769] ext4_dirty_inode+0xd4/0x104 [ 45.154772][ T6769] __mark_inode_dirty+0x358/0x15bc [ 45.155499][ T6769] iput+0x36c/0xfdc [ 45.156101][ T6769] dentry_unlink_inode+0x384/0x45c [ 45.156905][ T6769] __dentry_kill+0x170/0x594 [ 45.157665][ T6769] shrink_kill+0xd4/0x2cc [ 45.158383][ T6769] shrink_dentry_list+0x31c/0x6cc [ 45.159195][ T6769] shrink_dcache_tree+0xc0/0x290 [ 45.160015][ T6769] do_one_tree+0x30/0xf4 [ 45.160679][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 45.161517][ T6769] generic_shutdown_super+0x68/0x2b8 [ 45.162333][ T6769] kill_block_super+0x44/0x90 [ 45.163105][ T6769] ext4_kill_sb+0x68/0xa4 [ 45.163837][ T6769] deactivate_locked_super+0xc4/0x12c [ 45.164627][ T6769] deactivate_super+0xe0/0x100 [ 45.165325][ T6769] cleanup_mnt+0x31c/0x3ac [ 45.165994][ T6769] __cleanup_mnt+0x20/0x30 [ 45.166665][ T6769] task_work_run+0x1dc/0x260 [ 45.167415][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 45.168298][ T6769] el0_svc+0x17c/0x26c [ 45.168929][ T6769] el0t_64_sync_handler+0x84/0x12c [ 45.169700][ T6769] el0t_64_sync+0x198/0x19c [ 45.170414][ T6769] irq event stamp: 166180 [ 45.171066][ T6769] hardirqs last enabled at (166179): [] finish_lock_switch+0xb0/0x1c0 [ 45.172557][ T6769] hardirqs last disabled at (166180): [] el1_brk64+0x20/0x54 [ 45.174004][ T6769] softirqs last enabled at (165902): [] local_bh_enable+0x10/0x34 [ 45.175435][ T6769] softirqs last disabled at (165900): [] local_bh_disable+0x10/0x34 [ 45.176871][ T6769] ---[ end trace 0000000000000000 ]--- [ 45.188766][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 45.206754][ T6886] loop0: detected capacity change from 0 to 1024 [ 45.237196][ T6886] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 45.246186][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 45.248152][ T6769] ------------[ cut here ]------------ [ 45.248160][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 45.250810][ T6769] Modules linked in: [ 45.251494][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 45.253212][ T6769] Tainted: [W]=WARN [ 45.253768][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.255366][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.256483][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 45.257468][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 45.258529][ T6769] sp : ffff8000a50e7100 [ 45.259150][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6d99600 x27: 0000000000000001 [ 45.260386][ T6769] x26: 0000000000000000 x25: 1fffe0001cdb32c0 x24: ffff0000e6d995d8 [ 45.261632][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 45.262919][ T6769] x20: ffff0000c3696068 x19: ffff0000c3696000 x18: 1fffe0003377d090 [ 45.264065][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 45.265302][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 45.266506][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 45.267733][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 45.268977][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 45.270078][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 45.271263][ T6769] Call trace: [ 45.271788][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 45.272825][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 45.273576][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 45.274470][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 45.275354][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 45.276169][ T6769] ext4_dirty_inode+0xd4/0x104 [ 45.277014][ T6769] __mark_inode_dirty+0x358/0x15bc [ 45.277814][ T6769] iput+0x36c/0xfdc [ 45.278456][ T6769] dentry_unlink_inode+0x384/0x45c [ 45.279272][ T6769] __dentry_kill+0x170/0x594 [ 45.280052][ T6769] shrink_kill+0xd4/0x2cc [ 45.280684][ T6769] shrink_dentry_list+0x31c/0x6cc [ 45.281473][ T6769] shrink_dcache_tree+0xc0/0x290 [ 45.282258][ T6769] do_one_tree+0x30/0xf4 [ 45.282904][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 45.283796][ T6769] generic_shutdown_super+0x68/0x2b8 [ 45.284714][ T6769] kill_block_super+0x44/0x90 [ 45.285448][ T6769] ext4_kill_sb+0x68/0xa4 [ 45.286225][ T6769] deactivate_locked_super+0xc4/0x12c [ 45.287095][ T6769] deactivate_super+0xe0/0x100 [ 45.287827][ T6769] cleanup_mnt+0x31c/0x3ac [ 45.288544][ T6769] __cleanup_mnt+0x20/0x30 [ 45.289212][ T6769] task_work_run+0x1dc/0x260 [ 45.289975][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 45.290979][ T6769] el0_svc+0x17c/0x26c [ 45.291663][ T6769] el0t_64_sync_handler+0x84/0x12c [ 45.292502][ T6769] el0t_64_sync+0x198/0x19c [ 45.293278][ T6769] irq event stamp: 174166 [ 45.293961][ T6769] hardirqs last enabled at (174165): [] finish_lock_switch+0xb0/0x1c0 [ 45.295428][ T6769] hardirqs last disabled at (174166): [] el1_brk64+0x20/0x54 [ 45.296735][ T6769] softirqs last enabled at (174014): [] local_bh_enable+0x10/0x34 [ 45.298146][ T6769] softirqs last disabled at (174012): [] local_bh_disable+0x10/0x34 [ 45.299561][ T6769] ---[ end trace 0000000000000000 ]--- [ 45.302112][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 45.318084][ T6899] loop0: detected capacity change from 0 to 1024 [ 45.329643][ T6899] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 45.335582][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 45.337604][ T6769] ------------[ cut here ]------------ [ 45.337611][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 45.340399][ T6769] Modules linked in: [ 45.341070][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 45.342867][ T6769] Tainted: [W]=WARN [ 45.343483][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.345070][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.346242][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 45.347230][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 45.348261][ T6769] sp : ffff8000a50e7100 [ 45.348846][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e0c620 x27: 0000000000000001 [ 45.350041][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc18c4 x24: ffff0000e6e0c5f8 [ 45.351311][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 45.352563][ T6769] x20: ffff0000df70e068 x19: ffff0000df70e000 x18: 1fffe0003377d090 [ 45.353897][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 45.355165][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 45.356427][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 45.357683][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 45.358823][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 45.359956][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 45.361172][ T6769] Call trace: [ 45.361664][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 45.362644][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 45.363458][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 45.364305][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 45.365174][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 45.366085][ T6769] ext4_dirty_inode+0xd4/0x104 [ 45.366856][ T6769] __mark_inode_dirty+0x358/0x15bc [ 45.367717][ T6769] iput+0x36c/0xfdc [ 45.368294][ T6769] dentry_unlink_inode+0x384/0x45c [ 45.369021][ T6769] __dentry_kill+0x170/0x594 [ 45.369714][ T6769] shrink_kill+0xd4/0x2cc [ 45.370400][ T6769] shrink_dentry_list+0x31c/0x6cc [ 45.371238][ T6769] shrink_dcache_tree+0xc0/0x290 [ 45.371981][ T6769] do_one_tree+0x30/0xf4 [ 45.372712][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 45.373597][ T6769] generic_shutdown_super+0x68/0x2b8 [ 45.374423][ T6769] kill_block_super+0x44/0x90 [ 45.375142][ T6769] ext4_kill_sb+0x68/0xa4 [ 45.375791][ T6769] deactivate_locked_super+0xc4/0x12c [ 45.376695][ T6769] deactivate_super+0xe0/0x100 [ 45.377444][ T6769] cleanup_mnt+0x31c/0x3ac [ 45.378126][ T6769] __cleanup_mnt+0x20/0x30 [ 45.378783][ T6769] task_work_run+0x1dc/0x260 [ 45.379492][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 45.380312][ T6769] el0_svc+0x17c/0x26c [ 45.380964][ T6769] el0t_64_sync_handler+0x84/0x12c [ 45.381725][ T6769] el0t_64_sync+0x198/0x19c [ 45.382407][ T6769] irq event stamp: 179480 [ 45.383023][ T6769] hardirqs last enabled at (179479): [] finish_lock_switch+0xb0/0x1c0 [ 45.384511][ T6769] hardirqs last disabled at (179480): [] el1_brk64+0x20/0x54 [ 45.385953][ T6769] softirqs last enabled at (179314): [] local_bh_enable+0x10/0x34 [ 45.387420][ T6769] softirqs last disabled at (179312): [] local_bh_disable+0x10/0x34 [ 45.388936][ T6769] ---[ end trace 0000000000000000 ]--- [ 45.395564][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 45.426879][ T6907] loop0: detected capacity change from 0 to 1024 [ 45.455011][ T6907] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 45.467624][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 45.476376][ T6769] ------------[ cut here ]------------ [ 45.476388][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 45.479218][ T6769] Modules linked in: [ 45.479881][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 45.481548][ T6769] Tainted: [W]=WARN [ 45.482174][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.483693][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.484873][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 45.485945][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 45.486937][ T6769] sp : ffff8000a50e7100 [ 45.487559][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e10c60 x27: 0000000000000001 [ 45.488856][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc218c x24: ffff0000e6e10c38 [ 45.490102][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 45.491282][ T6769] x20: ffff0000c9c52068 x19: ffff0000c9c52000 x18: 1fffe0003377d090 [ 45.492611][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 45.493796][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 45.494952][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 45.496235][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 45.497476][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 45.498786][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 45.500003][ T6769] Call trace: [ 45.500511][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 45.501466][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 45.502294][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 45.503250][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 45.504070][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 45.504920][ T6769] ext4_dirty_inode+0xd4/0x104 [ 45.505660][ T6769] __mark_inode_dirty+0x358/0x15bc [ 45.506467][ T6769] iput+0x36c/0xfdc [ 45.507032][ T6769] dentry_unlink_inode+0x384/0x45c [ 45.507782][ T6769] __dentry_kill+0x170/0x594 [ 45.508473][ T6769] shrink_kill+0xd4/0x2cc [ 45.509060][ T6769] shrink_dentry_list+0x31c/0x6cc [ 45.509781][ T6769] shrink_dcache_tree+0xc0/0x290 [ 45.510454][ T6769] do_one_tree+0x30/0xf4 [ 45.511132][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 45.511935][ T6769] generic_shutdown_super+0x68/0x2b8 [ 45.512694][ T6769] kill_block_super+0x44/0x90 [ 45.513440][ T6769] ext4_kill_sb+0x68/0xa4 [ 45.514151][ T6769] deactivate_locked_super+0xc4/0x12c [ 45.515001][ T6769] deactivate_super+0xe0/0x100 [ 45.515759][ T6769] cleanup_mnt+0x31c/0x3ac [ 45.516387][ T6769] __cleanup_mnt+0x20/0x30 [ 45.517077][ T6769] task_work_run+0x1dc/0x260 [ 45.517793][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 45.518583][ T6769] el0_svc+0x17c/0x26c [ 45.519229][ T6769] el0t_64_sync_handler+0x84/0x12c [ 45.519965][ T6769] el0t_64_sync+0x198/0x19c [ 45.520600][ T6769] irq event stamp: 185772 [ 45.521258][ T6769] hardirqs last enabled at (185771): [] finish_lock_switch+0xb0/0x1c0 [ 45.522697][ T6769] hardirqs last disabled at (185772): [] el1_brk64+0x20/0x54 [ 45.524052][ T6769] softirqs last enabled at (185590): [] local_bh_enable+0x10/0x34 [ 45.525457][ T6769] softirqs last disabled at (185588): [] local_bh_disable+0x10/0x34 [ 45.526892][ T6769] ---[ end trace 0000000000000000 ]--- [ 45.532378][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 45.547782][ T6924] loop0: detected capacity change from 0 to 1024 [ 45.563251][ T6924] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 45.570613][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 45.570708][ T6769] ------------[ cut here ]------------ [ 45.570712][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 45.575656][ T6769] Modules linked in: [ 45.576285][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 45.578095][ T6769] Tainted: [W]=WARN [ 45.578695][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.580283][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.581474][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 45.582487][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 45.583409][ T6769] sp : ffff8000a50e7100 [ 45.584063][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e14620 x27: 0000000000000001 [ 45.585351][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc28c4 x24: ffff0000e6e145f8 [ 45.586562][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 45.587853][ T6769] x20: ffff0000cb5d8068 x19: ffff0000cb5d8000 x18: 1fffe00033781890 [ 45.589085][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 45.590306][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 45.591531][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 45.592677][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 45.593896][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 45.595128][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 45.596343][ T6769] Call trace: [ 45.596862][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 45.597841][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 45.598631][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 45.599519][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 45.600401][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 45.601221][ T6769] ext4_dirty_inode+0xd4/0x104 [ 45.601920][ T6769] __mark_inode_dirty+0x358/0x15bc [ 45.602609][ T6769] iput+0x36c/0xfdc [ 45.603219][ T6769] dentry_unlink_inode+0x384/0x45c [ 45.603932][ T6769] __dentry_kill+0x170/0x594 [ 45.604643][ T6769] shrink_kill+0xd4/0x2cc [ 45.605287][ T6769] shrink_dentry_list+0x31c/0x6cc [ 45.606040][ T6769] shrink_dcache_tree+0xc0/0x290 [ 45.606788][ T6769] do_one_tree+0x30/0xf4 [ 45.607434][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 45.608250][ T6769] generic_shutdown_super+0x68/0x2b8 [ 45.609071][ T6769] kill_block_super+0x44/0x90 [ 45.609753][ T6769] ext4_kill_sb+0x68/0xa4 [ 45.610395][ T6769] deactivate_locked_super+0xc4/0x12c [ 45.611234][ T6769] deactivate_super+0xe0/0x100 [ 45.611953][ T6769] cleanup_mnt+0x31c/0x3ac [ 45.612633][ T6769] __cleanup_mnt+0x20/0x30 [ 45.613360][ T6769] task_work_run+0x1dc/0x260 [ 45.614065][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 45.614973][ T6769] el0_svc+0x17c/0x26c [ 45.615621][ T6769] el0t_64_sync_handler+0x84/0x12c [ 45.616461][ T6769] el0t_64_sync+0x198/0x19c [ 45.617254][ T6769] irq event stamp: 193740 [ 45.617961][ T6769] hardirqs last enabled at (193739): [] irqentry_exit+0x1b4/0x308 [ 45.619540][ T6769] hardirqs last disabled at (193740): [] el1_brk64+0x20/0x54 [ 45.620923][ T6769] softirqs last enabled at (193496): [] handle_softirqs+0xaf8/0xc88 [ 45.622456][ T6769] softirqs last disabled at (192653): [] __do_softirq+0x14/0x20 [ 45.623977][ T6769] ---[ end trace 0000000000000000 ]--- [ 45.628618][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 45.657498][ T6929] loop0: detected capacity change from 0 to 1024 [ 45.682091][ T6929] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 45.68508 ** replaying previous printk message ** [ 45.685081][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 45.685328][ T6769] ------------[ cut here ]------------ [ 45.685332][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 45.690178][ T6769] Modules linked in: [ 45.690855][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 45.692402][ T6769] Tainted: [W]=WARN [ 45.692913][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.694410][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.695516][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 45.696447][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 45.697403][ T6769] sp : ffff8000a50e7100 [ 45.698020][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e1b2e0 x27: 0000000000000001 [ 45.699174][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc365c x24: ffff0000e6e1b2b8 [ 45.700483][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 45.701762][ T6769] x20: ffff0000c9cb0068 x19: ffff0000c9cb0000 x18: 1fffe00033781890 [ 45.702961][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 45.704309][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 45.705576][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 45.706881][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 45.708182][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 45.709454][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 45.710710][ T6769] Call trace: [ 45.711208][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 45.712222][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 45.713106][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 45.714027][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 45.714881][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 45.715709][ T6769] ext4_dirty_inode+0xd4/0x104 [ 45.716471][ T6769] __mark_inode_dirty+0x358/0x15bc [ 45.717244][ T6769] iput+0x36c/0xfdc [ 45.717837][ T6769] dentry_unlink_inode+0x384/0x45c [ 45.718593][ T6769] __dentry_kill+0x170/0x594 [ 45.719340][ T6769] shrink_kill+0xd4/0x2cc [ 45.720142][ T6769] shrink_dentry_list+0x31c/0x6cc [ 45.720931][ T6769] shrink_dcache_tree+0xc0/0x290 [ 45.721707][ T6769] do_one_tree+0x30/0xf4 [ 45.722413][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 45.723276][ T6769] generic_shutdown_super+0x68/0x2b8 [ 45.724099][ T6769] kill_block_super+0x44/0x90 [ 45.724775][ T6769] ext4_kill_sb+0x68/0xa4 [ 45.725387][ T6769] deactivate_locked_super+0xc4/0x12c [ 45.726223][ T6769] deactivate_super+0xe0/0x100 [ 45.727001][ T6769] cleanup_mnt+0x31c/0x3ac [ 45.727689][ T6769] __cleanup_mnt+0x20/0x30 [ 45.728340][ T6769] task_work_run+0x1dc/0x260 [ 45.729050][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 45.729889][ T6769] el0_svc+0x17c/0x26c [ 45.730498][ T6769] el0t_64_sync_handler+0x84/0x12c [ 45.731329][ T6769] el0t_64_sync+0x198/0x19c [ 45.732030][ T6769] irq event stamp: 199608 [ 45.732658][ T6769] hardirqs last enabled at (199607): [] finish_lock_switch+0xb0/0x1c0 [ 45.734068][ T6769] hardirqs last disabled at (199608): [] el1_brk64+0x20/0x54 [ 45.735434][ T6769] softirqs last enabled at (199334): [] local_bh_enable+0x10/0x34 [ 45.736980][ T6769] softirqs last disabled at (199332): [] local_bh_disable+0x10/0x34 [ 45.738438][ T6769] ---[ end trace 0000000000000000 ]--- [ 45.743639][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 45.764486][ T6943] loop0: detected capacity change from 0 to 1024 [ 45.818159][ T6943] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 45.840002][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 45.840101][ T6769] ------------[ cut here ]------------ [ 45.840105][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 45.844935][ T6769] Modules linked in: [ 45.845467][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 45.846950][ T6769] Tainted: [W]=WARN [ 45.847576][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 45.849022][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.850304][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 45.851337][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 45.852336][ T6769] sp : ffff8000a50e7100 [ 45.852995][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e20c60 x27: 0000000000000001 [ 45.854175][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc418c x24: ffff0000e6e20c38 [ 45.855377][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 45.856587][ T6769] x20: ffff0000cddf6068 x19: ffff0000cddf6000 x18: 00000000ffffffff [ 45.857796][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 45.858995][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 45.860162][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 45.861390][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 45.862702][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 45.864002][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 45.865268][ T6769] Call trace: [ 45.865697][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 45.866678][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 45.867516][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 45.868352][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 45.869166][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 45.869944][ T6769] ext4_dirty_inode+0xd4/0x104 [ 45.870783][ T6769] __mark_inode_dirty+0x358/0x15bc [ 45.871595][ T6769] iput+0x36c/0xfdc [ 45.872220][ T6769] dentry_unlink_inode+0x384/0x45c [ 45.873070][ T6769] __dentry_kill+0x170/0x594 [ 45.873738][ T6769] shrink_kill+0xd4/0x2cc [ 45.874327][ T6769] shrink_dentry_list+0x31c/0x6cc [ 45.875092][ T6769] shrink_dcache_tree+0xc0/0x290 [ 45.875875][ T6769] do_one_tree+0x30/0xf4 [ 45.876498][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 45.877334][ T6769] generic_shutdown_super+0x68/0x2b8 [ 45.878131][ T6769] kill_block_super+0x44/0x90 [ 45.878848][ T6769] ext4_kill_sb+0x68/0xa4 [ 45.879545][ T6769] deactivate_locked_super+0xc4/0x12c [ 45.880382][ T6769] deactivate_super+0xe0/0x100 [ 45.881109][ T6769] cleanup_mnt+0x31c/0x3ac [ 45.881802][ T6769] __cleanup_mnt+0x20/0x30 [ 45.882460][ T6769] task_work_run+0x1dc/0x260 [ 45.883145][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 45.883947][ T6769] el0_svc+0x17c/0x26c [ 45.884545][ T6769] el0t_64_sync_handler+0x84/0x12c [ 45.885376][ T6769] el0t_64_sync+0x198/0x19c [ 45.886027][ T6769] irq event stamp: 205820 [ 45.886691][ T6769] hardirqs last enabled at (205819): [] irqentry_exit+0x1b4/0x308 [ 45.888126][ T6769] hardirqs last disabled at (205820): [] el1_brk64+0x20/0x54 [ 45.889461][ T6769] softirqs last enabled at (205570): [] local_bh_enable+0x10/0x34 [ 45.890823][ T6769] softirqs last disabled at (205568): [] local_bh_disable+0x10/0x34 [ 45.892230][ T6769] ---[ end trace 0000000000000000 ]--- [ 45.898312][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 45.986426][ T6960] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 45.999778][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 45.999871][ T6769] ------------[ cut here ]------------ [ 45.999875][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 46.004474][ T6769] Modules linked in: [ 46.005042][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.006622][ T6769] Tainted: [W]=WARN [ 46.007175][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.008737][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.009971][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.010900][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.011907][ T6769] sp : ffff8000a50e7100 [ 46.012506][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6da6300 x27: 0000000000000001 [ 46.013736][ T6769] x26: 0000000000000000 x25: 1fffe0001cdb4c60 x24: ffff0000e6da62d8 [ 46.014985][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 46.016197][ T6769] x20: ffff0000cee96068 x19: ffff0000cee96000 x18: 1fffe00033781890 [ 46.017463][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 46.018715][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 46.019998][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 46.021223][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 46.022498][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 46.023770][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.025019][ T6769] Call trace: [ 46.025600][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 46.026648][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 46.027527][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 46.028379][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.029363][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 46.030227][ T6769] ext4_dirty_inode+0xd4/0x104 [ 46.030996][ T6769] __mark_inode_dirty+0x358/0x15bc [ 46.031781][ T6769] iput+0x36c/0xfdc [ 46.032398][ T6769] dentry_unlink_inode+0x384/0x45c [ 46.033150][ T6769] __dentry_kill+0x170/0x594 [ 46.033804][ T6769] shrink_kill+0xd4/0x2cc [ 46.034504][ T6769] shrink_dentry_list+0x31c/0x6cc [ 46.035281][ T6769] shrink_dcache_tree+0xc0/0x290 [ 46.036062][ T6769] do_one_tree+0x30/0xf4 [ 46.036748][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 46.037598][ T6769] generic_shutdown_super+0x68/0x2b8 [ 46.038454][ T6769] kill_block_super+0x44/0x90 [ 46.039169][ T6769] ext4_kill_sb+0x68/0xa4 [ 46.039819][ T6769] deactivate_locked_super+0xc4/0x12c [ 46.040661][ T6769] deactivate_super+0xe0/0x100 [ 46.041423][ T6769] cleanup_mnt+0x31c/0x3ac [ 46.042110][ T6769] __cleanup_mnt+0x20/0x30 [ 46.042797][ T6769] task_work_run+0x1dc/0x260 [ 46.043475][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 46.044306][ T6769] el0_svc+0x17c/0x26c [ 46.044978][ T6769] el0t_64_sync_handler+0x84/0x12c [ 46.045766][ T6769] el0t_64_sync+0x198/0x19c [ 46.046434][ T6769] irq event stamp: 211938 [ 46.047172][ T6769] hardirqs last enabled at (211937): [] irqentry_exit+0x1b4/0x308 [ 46.048604][ T6769] hardirqs last disabled at (211938): [] el1_brk64+0x20/0x54 [ 46.049929][ T6769] softirqs last enabled at (211680): [] local_bh_enable+0x10/0x34 [ 46.051485][ T6769] softirqs last disabled at (211678): [] local_bh_disable+0x10/0x34 [ 46.053020][ T6769] ---[ end trace 0000000000000000 ]--- [ 46.056952][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.094623][ T6972] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.097829][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 46.097936][ T6769] ------------[ cut here ]------------ [ 46.097941][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 46.102172][ T6769] Modules linked in: [ 46.102765][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.104506][ T6769] Tainted: [W]=WARN [ 46.105085][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.106528][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.107611][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.108564][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.109528][ T6769] sp : ffff8000a50e7100 [ 46.110154][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e28c60 x27: 0000000000000001 [ 46.111353][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc518c x24: ffff0000e6e28c38 [ 46.112579][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 46.113818][ T6769] x20: ffff0000ccdde068 x19: ffff0000ccdde000 x18: 1fffe00033781890 [ 46.115062][ T6769] x17: 6572203a38373431 x16: ffff800082e5e714 x15: 0000000000000001 [ 46.116331][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 46.117545][ T6769] x11: 0000000000000ac1 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 46.118749][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 46.119979][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 46.121189][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.122482][ T6769] Call trace: [ 46.122922][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 46.123906][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 46.124688][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 46.125520][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.126326][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 46.127239][ T6769] ext4_dirty_inode+0xd4/0x104 [ 46.128060][ T6769] __mark_inode_dirty+0x358/0x15bc [ 46.128849][ T6769] iput+0x36c/0xfdc [ 46.129369][ T6769] dentry_unlink_inode+0x384/0x45c [ 46.130140][ T6769] __dentry_kill+0x170/0x594 [ 46.130846][ T6769] shrink_kill+0xd4/0x2cc [ 46.131533][ T6769] shrink_dentry_list+0x31c/0x6cc [ 46.132313][ T6769] shrink_dcache_tree+0xc0/0x290 [ 46.133109][ T6769] do_one_tree+0x30/0xf4 [ 46.133763][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 46.134539][ T6769] generic_shutdown_super+0x68/0x2b8 [ 46.135381][ T6769] kill_block_super+0x44/0x90 [ 46.136102][ T6769] ext4_kill_sb+0x68/0xa4 [ 46.136746][ T6769] deactivate_locked_super+0xc4/0x12c [ 46.137588][ T6769] deactivate_super+0xe0/0x100 [ 46.138267][ T6769] cleanup_mnt+0x31c/0x3ac [ 46.138941][ T6769] __cleanup_mnt+0x20/0x30 [ 46.139601][ T6769] task_work_run+0x1dc/0x260 [ 46.140269][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 46.141026][ T6769] el0_svc+0x17c/0x26c [ 46.141665][ T6769] el0t_64_sync_handler+0x84/0x12c [ 46.142466][ T6769] el0t_64_sync+0x198/0x19c [ 46.143135][ T6769] irq event stamp: 218662 [ 46.143762][ T6769] hardirqs last enabled at (218661): [] irqentry_exit+0x1b4/0x308 [ 46.145183][ T6769] hardirqs last disabled at (218662): [] el1_brk64+0x20/0x54 [ 46.146456][ T6769] softirqs last enabled at (218380): [] local_bh_enable+0x10/0x34 [ 46.147930][ T6769] softirqs last disabled at (218378): [] local_bh_disable+0x10/0x34 [ 46.149324][ T6769] ---[ end trace 0000000000000000 ]--- [ 46.152344][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.169632][ T54] Bluetooth: hci0: command tx timeout [ 46.206978][ T6987] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.226133][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 46.228025][ T6769] ------------[ cut here ]------------ [ 46.228032][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 46.230587][ T6769] Modules linked in: [ 46.231173][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.232946][ T6769] Tainted: [W]=WARN [ 46.233588][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.235200][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.236385][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.237330][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.238380][ T6769] sp : ffff8000a50e7100 [ 46.238996][ T6769] x29: ffff8000a50e7260 x28: ffff0000e1161fa0 x27: 0000000000000001 [ 46.240197][ T6769] x26: 0000000000000000 x25: 1fffe0001c22c3f4 x24: ffff0000e1161f78 [ 46.241443][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 46.242738][ T6769] x20: ffff0000c6700068 x19: ffff0000c6700000 x18: 1fffe0003377d090 [ 46.244000][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 46.245165][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 46.246408][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 46.247688][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 46.248920][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 46.250143][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.251444][ T6769] Call trace: [ 46.251970][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 46.252954][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 46.253723][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 46.254601][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.255477][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 46.256317][ T6769] ext4_dirty_inode+0xd4/0x104 [ 46.256955][ T6769] __mark_inode_dirty+0x358/0x15bc [ 46.257681][ T6769] iput+0x36c/0xfdc [ 46.258292][ T6769] dentry_unlink_inode+0x384/0x45c [ 46.259097][ T6769] __dentry_kill+0x170/0x594 [ 46.259849][ T6769] shrink_kill+0xd4/0x2cc [ 46.260551][ T6769] shrink_dentry_list+0x31c/0x6cc [ 46.261289][ T6769] shrink_dcache_tree+0xc0/0x290 [ 46.262087][ T6769] do_one_tree+0x30/0xf4 [ 46.262757][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 46.263595][ T6769] generic_shutdown_super+0x68/0x2b8 [ 46.264430][ T6769] kill_block_super+0x44/0x90 [ 46.265143][ T6769] ext4_kill_sb+0x68/0xa4 [ 46.265758][ T6769] deactivate_locked_super+0xc4/0x12c [ 46.266545][ T6769] deactivate_super+0xe0/0x100 [ 46.267248][ T6769] cleanup_mnt+0x31c/0x3ac [ 46.267935][ T6769] __cleanup_mnt+0x20/0x30 [ 46.268615][ T6769] task_work_run+0x1dc/0x260 [ 46.269281][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 46.270084][ T6769] el0_svc+0x17c/0x26c [ 46.270698][ T6769] el0t_64_sync_handler+0x84/0x12c [ 46.271432][ T6769] el0t_64_sync+0x198/0x19c [ 46.272122][ T6769] irq event stamp: 225864 [ 46.272750][ T6769] hardirqs last enabled at (225863): [] finish_lock_switch+0xb0/0x1c0 [ 46.274215][ T6769] hardirqs last disabled at (225864): [] el1_brk64+0x20/0x54 [ 46.275576][ T6769] softirqs last enabled at (225596): [] handle_softirqs+0xaf8/0xc88 [ 46.277050][ T6769] softirqs last disabled at (225095): [] __do_softirq+0x14/0x20 [ 46.278407][ T6769] ---[ end trace 0000000000000000 ]--- [ 46.292228][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.332599][ T6997] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 46.360557][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 46.360654][ T6769] ------------[ cut here ]------------ [ 46.360659][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 46.365582][ T6769] Modules linked in: [ 46.366135][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.367623][ T6769] Tainted: [W]=WARN [ 46.368233][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.369724][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.370950][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.371981][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.373012][ T6769] sp : ffff8000a50e7100 [ 46.373665][ T6769] x29: ffff8000a50e7260 x28: ffff0000e117a940 x27: 0000000000000001 [ 46.374886][ T6769] x26: 0000000000000000 x25: 1fffe0001c22f528 x24: ffff0000e117a918 [ 46.376183][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 46.377517][ T6769] x20: ffff0000c9af6068 x19: ffff0000c9af6000 x18: 1fffe00033781890 [ 46.378839][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 46.380093][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 46.381300][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 46.382581][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 46.383837][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 46.385233][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.386501][ T6769] Call trace: [ 46.387069][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 46.388146][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 46.388994][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 46.389889][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.390754][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 46.391544][ T6769] ext4_dirty_inode+0xd4/0x104 [ 46.392166][ T6769] __mark_inode_dirty+0x358/0x15bc [ 46.392955][ T6769] iput+0x36c/0xfdc [ 46.393516][ T6769] dentry_unlink_inode+0x384/0x45c [ 46.394371][ T6769] __dentry_kill+0x170/0x594 [ 46.395065][ T6769] shrink_kill+0xd4/0x2cc [ 46.395753][ T6769] shrink_dentry_list+0x31c/0x6cc [ 46.396530][ T6769] shrink_dcache_tree+0xc0/0x290 [ 46.397316][ T6769] do_one_tree+0x30/0xf4 [ 46.397986][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 46.398809][ T6769] generic_shutdown_super+0x68/0x2b8 [ 46.399642][ T6769] kill_block_super+0x44/0x90 [ 46.400334][ T6769] ext4_kill_sb+0x68/0xa4 [ 46.400983][ T6769] deactivate_locked_super+0xc4/0x12c [ 46.401789][ T6769] deactivate_super+0xe0/0x100 [ 46.402518][ T6769] cleanup_mnt+0x31c/0x3ac [ 46.403162][ T6769] __cleanup_mnt+0x20/0x30 [ 46.403923][ T6769] task_work_run+0x1dc/0x260 [ 46.404620][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 46.405458][ T6769] el0_svc+0x17c/0x26c [ 46.406119][ T6769] el0t_64_sync_handler+0x84/0x12c [ 46.406919][ T6769] el0t_64_sync+0x198/0x19c [ 46.407591][ T6769] irq event stamp: 232256 [ 46.408204][ T6769] hardirqs last enabled at (232255): [] irqentry_exit+0x1b4/0x308 [ 46.409632][ T6769] hardirqs last disabled at (232256): [] el1_brk64+0x20/0x54 [ 46.411033][ T6769] softirqs last enabled at (231980): [] local_bh_enable+0x10/0x34 [ 46.412487][ T6769] softirqs last disabled at (231978): [] local_bh_disable+0x10/0x34 [ 46.413889][ T6769] ---[ end trace 0000000000000000 ]--- [ 46.417619][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.462805][ T7014] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.466385][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 46.466484][ T6769] ------------[ cut here ]------------ [ 46.466488][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 46.470866][ T6769] Modules linked in: [ 46.471444][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.473053][ T6769] Tainted: [W]=WARN [ 46.473625][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.475132][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.476277][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.477214][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.478142][ T6769] sp : ffff8000a50e7100 [ 46.478728][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e33c80 x27: 0000000000000001 [ 46.479891][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc6790 x24: ffff0000e6e33c58 [ 46.481079][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 46.482312][ T6769] x20: ffff0000df5e0068 x19: ffff0000df5e0000 x18: 1fffe00033781890 [ 46.483599][ T6769] x17: 6572203a38373431 x16: ffff800082e5e714 x15: 0000000000000001 [ 46.484799][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 46.486057][ T6769] x11: 0000000000000b72 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 46.487388][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 46.488708][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 46.489952][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.491180][ T6769] Call trace: [ 46.491682][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 46.492728][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 46.493523][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 46.494416][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.495279][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 46.496150][ T6769] ext4_dirty_inode+0xd4/0x104 [ 46.496882][ T6769] __mark_inode_dirty+0x358/0x15bc [ 46.497705][ T6769] iput+0x36c/0xfdc [ 46.498308][ T6769] dentry_unlink_inode+0x384/0x45c [ 46.499103][ T6769] __dentry_kill+0x170/0x594 [ 46.499796][ T6769] shrink_kill+0xd4/0x2cc [ 46.500486][ T6769] shrink_dentry_list+0x31c/0x6cc [ 46.501252][ T6769] shrink_dcache_tree+0xc0/0x290 [ 46.502012][ T6769] do_one_tree+0x30/0xf4 [ 46.502645][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 46.503472][ T6769] generic_shutdown_super+0x68/0x2b8 [ 46.504305][ T6769] kill_block_super+0x44/0x90 [ 46.504972][ T6769] ext4_kill_sb+0x68/0xa4 [ 46.505660][ T6769] deactivate_locked_super+0xc4/0x12c [ 46.506494][ T6769] deactivate_super+0xe0/0x100 [ 46.507245][ T6769] cleanup_mnt+0x31c/0x3ac [ 46.507972][ T6769] __cleanup_mnt+0x20/0x30 [ 46.508672][ T6769] task_work_run+0x1dc/0x260 [ 46.509363][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 46.510187][ T6769] el0_svc+0x17c/0x26c [ 46.510818][ T6769] el0t_64_sync_handler+0x84/0x12c [ 46.511576][ T6769] el0t_64_sync+0x198/0x19c [ 46.512296][ T6769] irq event stamp: 237888 [ 46.512944][ T6769] hardirqs last enabled at (237887): [] irqentry_exit+0x1b4/0x308 [ 46.514430][ T6769] hardirqs last disabled at (237888): [] el1_brk64+0x20/0x54 [ 46.515820][ T6769] softirqs last enabled at (237622): [] local_bh_enable+0x10/0x34 [ 46.517306][ T6769] softirqs last disabled at (237620): [] local_bh_disable+0x10/0x34 [ 46.518769][ T6769] ---[ end trace 0000000000000000 ]--- [ 46.521988][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.549948][ T7021] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.552942][ T6769] EXT4-fs ** replaying previous printk message ** [ 46.552942][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 46.553417][ T6769] ------------[ cut here ]------------ [ 46.553422][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 46.558445][ T6769] Modules linked in: [ 46.559019][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.560680][ T6769] Tainted: [W]=WARN [ 46.561278][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.562905][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.564210][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.565230][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.566308][ T6769] sp : ffff8000a50e7100 [ 46.566963][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e3a940 x27: 0000000000000001 [ 46.568114][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc7528 x24: ffff0000e6e3a918 [ 46.569353][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 46.570586][ T6769] x20: ffff0000d1118068 x19: ffff0000d1118000 x18: 1fffe00033781890 [ 46.571968][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 46.573191][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 46.574586][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 46.575806][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 46.577024][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 46.578256][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.579472][ T6769] Call trace: [ 46.579937][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 46.580933][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 46.581759][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 46.582589][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.583468][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 46.584292][ T6769] ext4_dirty_inode+0xd4/0x104 [ 46.584975][ T6769] __mark_inode_dirty+0x358/0x15bc [ 46.585762][ T6769] iput+0x36c/0xfdc [ 46.586328][ T6769] dentry_unlink_inode+0x384/0x45c [ 46.587111][ T6769] __dentry_kill+0x170/0x594 [ 46.587826][ T6769] shrink_kill+0xd4/0x2cc [ 46.588539][ T6769] shrink_dentry_list+0x31c/0x6cc [ 46.589243][ T6769] shrink_dcache_tree+0xc0/0x290 [ 46.589981][ T6769] do_one_tree+0x30/0xf4 [ 46.590625][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 46.591408][ T6769] generic_shutdown_super+0x68/0x2b8 [ 46.592193][ T6769] kill_block_super+0x44/0x90 [ 46.592852][ T6769] ext4_kill_sb+0x68/0xa4 [ 46.593488][ T6769] deactivate_locked_super+0xc4/0x12c [ 46.594305][ T6769] deactivate_super+0xe0/0x100 [ 46.595061][ T6769] cleanup_mnt+0x31c/0x3ac [ 46.595702][ T6769] __cleanup_mnt+0x20/0x30 [ 46.596341][ T6769] task_work_run+0x1dc/0x260 [ 46.597061][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 46.597904][ T6769] el0_svc+0x17c/0x26c [ 46.598544][ T6769] el0t_64_sync_handler+0x84/0x12c [ 46.599356][ T6769] el0t_64_sync+0x198/0x19c [ 46.600003][ T6769] irq event stamp: 243634 [ 46.600646][ T6769] hardirqs last enabled at (243633): [] finish_lock_switch+0xb0/0x1c0 [ 46.602160][ T6769] hardirqs last disabled at (243634): [] el1_brk64+0x20/0x54 [ 46.603624][ T6769] softirqs last enabled at (243362): [] local_bh_enable+0x10/0x34 [ 46.605111][ T6769] softirqs last disabled at (243360): [] local_bh_disable+0x10/0x34 [ 46.606524][ T6769] ---[ end trace 0000000000000000 ]--- [ 46.610544][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.659616][ T7025] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.670191][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when ** replaying previous printk message ** [ 46.670191][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 46.671911][ T6769] ------------[ cut here ]------------ [ 46.671918][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 46.677101][ T6769] Modules linked in: [ 46.677805][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.679587][ T6769] Tainted: [W]=WARN [ 46.680177][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.681673][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.682877][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.683820][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.684841][ T6769] sp : ffff8000a50e7100 [ 46.685467][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e40c60 x27: 0000000000000001 [ 46.686732][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc818c x24: ffff0000e6e40c38 [ 46.688019][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 46.689285][ T6769] x20: ffff0000d108c068 x19: ffff0000d108c000 x18: 1fffe00033781890 [ 46.690530][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 46.691905][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 46.693087][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 46.694292][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 46.695530][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 46.696842][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.698166][ T6769] Call trace: [ 46.698692][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 46.699769][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 46.700629][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 46.701566][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.702405][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 46.703208][ T6769] ext4_dirty_inode+0xd4/0x104 [ 46.703956][ T6769] __mark_inode_dirty+0x358/0x15bc [ 46.704720][ T6769] iput+0x36c/0xfdc [ 46.705274][ T6769] dentry_unlink_inode+0x384/0x45c [ 46.706085][ T6769] __dentry_kill+0x170/0x594 [ 46.706755][ T6769] shrink_kill+0xd4/0x2cc [ 46.707416][ T6769] shrink_dentry_list+0x31c/0x6cc [ 46.708146][ T6769] shrink_dcache_tree+0xc0/0x290 [ 46.708877][ T6769] do_one_tree+0x30/0xf4 [ 46.709464][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 46.710265][ T6769] generic_shutdown_super+0x68/0x2b8 [ 46.711040][ T6769] kill_block_super+0x44/0x90 [ 46.711778][ T6769] ext4_kill_sb+0x68/0xa4 [ 46.712500][ T6769] deactivate_locked_super+0xc4/0x12c [ 46.713307][ T6769] deactivate_super+0xe0/0x100 [ 46.714054][ T6769] cleanup_mnt+0x31c/0x3ac [ 46.714765][ T6769] __cleanup_mnt+0x20/0x30 [ 46.715439][ T6769] task_work_run+0x1dc/0x260 [ 46.716159][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 46.716921][ T6769] el0_svc+0x17c/0x26c [ 46.717532][ T6769] el0t_64_sync_handler+0x84/0x12c [ 46.718277][ T6769] el0t_64_sync+0x198/0x19c [ 46.719037][ T6769] irq event stamp: 249656 [ 46.719674][ T6769] hardirqs last enabled at (249655): [] finish_lock_switch+0xb0/0x1c0 [ 46.721164][ T6769] hardirqs last disabled at (249656): [] el1_brk64+0x20/0x54 [ 46.722486][ T6769] softirqs last enabled at (249388): [] local_bh_enable+0x10/0x34 [ 46.723843][ T6769] softirqs last disabled at (249386): [] local_bh_disable+0x10/0x34 [ 46.725356][ T6769] ---[ end trace 0000000000000000 ]--- [ 46.730506][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.771003][ T7029] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 4 ** replaying previous printk message ** [ 46.780881][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 46.780977][ T6769] ------------[ cut here ]------------ [ 46.780981][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 46.785886][ T6769] Modules linked in: [ 46.786444][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.787917][ T6769] Tainted: [W]=WARN [ 46.788470][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.790066][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.791275][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.792318][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.793349][ T6769] sp : ffff8000a50e7100 [ 46.794013][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e44620 x27: 0000000000000001 [ 46.795257][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc88c4 x24: ffff0000e6e445f8 [ 46.796479][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 46.797726][ T6769] x20: ffff0000d454c068 x19: ffff0000d454c000 x18: 1fffe00033781890 [ 46.798988][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 46.800277][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 46.801496][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 46.802766][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 46.803993][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 46.805212][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.806401][ T6769] Call trace: [ 46.806963][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 46.808029][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 46.808804][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 46.809699][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.810616][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 46.811500][ T6769] ext4_dirty_inode+0xd4/0x104 [ 46.812248][ T6769] __mark_inode_dirty+0x358/0x15bc [ 46.812995][ T6769] iput+0x36c/0xfdc [ 46.813574][ T6769] dentry_unlink_inode+0x384/0x45c [ 46.814422][ T6769] __dentry_kill+0x170/0x594 [ 46.815105][ T6769] shrink_kill+0xd4/0x2cc [ 46.815749][ T6769] shrink_dentry_list+0x31c/0x6cc [ 46.816532][ T6769] shrink_dcache_tree+0xc0/0x290 [ 46.817307][ T6769] do_one_tree+0x30/0xf4 [ 46.818024][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 46.818937][ T6769] generic_shutdown_super+0x68/0x2b8 [ 46.819739][ T6769] kill_block_super+0x44/0x90 [ 46.820428][ T6769] ext4_kill_sb+0x68/0xa4 [ 46.821103][ T6769] deactivate_locked_super+0xc4/0x12c [ 46.821934][ T6769] deactivate_super+0xe0/0x100 [ 46.822738][ T6769] cleanup_mnt+0x31c/0x3ac [ 46.823396][ T6769] __cleanup_mnt+0x20/0x30 [ 46.824048][ T6769] task_work_run+0x1dc/0x260 [ 46.824741][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 46.825534][ T6769] el0_svc+0x17c/0x26c [ 46.826171][ T6769] el0t_64_sync_handler+0x84/0x12c [ 46.826911][ T6769] el0t_64_sync+0x198/0x19c [ 46.827559][ T6769] irq event stamp: 256562 [ 46.828170][ T6769] hardirqs last enabled at (256561): [] irqentry_exit+0x1b4/0x308 [ 46.829578][ T6769] hardirqs last disabled at (256562): [] el1_brk64+0x20/0x54 [ 46.830887][ T6769] softirqs last enabled at (256314): [] local_bh_enable+0x10/0x34 [ 46.832311][ T6769] softirqs last disabled at (256312): [] local_bh_disable+0x10/0x34 [ 46.833725][ T6769] ---[ end trace 0000000000000000 ]--- [ 46.850994][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.900808][ T7033] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.904603][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 46.906513][ T6769] ------------[ cut here ]------------ [ 46.906520][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 46.909066][ T6769] Modules linked in: [ 46.909704][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.911361][ T6769] Tainted: [W]=WARN [ 46.911988][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.913556][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.914702][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.915785][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 46.916792][ T6769] sp : ffff8000a50e7100 [ 46.917507][ T6769] x29: ffff8000a50e7260 x28: ffff0000e13802c0 x27: 0000000000000001 [ 46.918838][ T6769] x26: 0000000000000000 x25: 1fffe0001c270058 x24: ffff0000e1380298 [ 46.920024][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 46.921240][ T6769] x20: ffff0000e0b6e068 x19: ffff0000e0b6e000 x18: 1fffe0003377d090 [ 46.922513][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 46.923956][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 46.925269][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 46.926514][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 46.927723][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 46.928858][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.929984][ T6769] Call trace: [ 46.930496][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 46.931456][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 46.932307][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 46.933207][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.933996][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 46.934845][ T6769] ext4_dirty_inode+0xd4/0x104 [ 46.935586][ T6769] __mark_inode_dirty+0x358/0x15bc [ 46.936387][ T6769] iput+0x36c/0xfdc [ 46.936987][ T6769] dentry_unlink_inode+0x384/0x45c [ 46.937776][ T6769] __dentry_kill+0x170/0x594 [ 46.938428][ T6769] shrink_kill+0xd4/0x2cc [ 46.939092][ T6769] shrink_dentry_list+0x31c/0x6cc [ 46.939847][ T6769] shrink_dcache_tree+0xc0/0x290 [ 46.940573][ T6769] do_one_tree+0x30/0xf4 [ 46.941177][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 46.942081][ T6769] generic_shutdown_super+0x68/0x2b8 [ 46.942824][ T6769] kill_block_super+0x44/0x90 [ 46.943549][ T6769] ext4_kill_sb+0x68/0xa4 [ 46.944204][ T6769] deactivate_locked_super+0xc4/0x12c [ 46.945034][ T6769] deactivate_super+0xe0/0x100 [ 46.945731][ T6769] cleanup_mnt+0x31c/0x3ac [ 46.946432][ T6769] __cleanup_mnt+0x20/0x30 [ 46.947096][ T6769] task_work_run+0x1dc/0x260 [ 46.947821][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 46.948662][ T6769] el0_svc+0x17c/0x26c [ 46.949244][ T6769] el0t_64_sync_handler+0x84/0x12c [ 46.950062][ T6769] el0t_64_sync+0x198/0x19c [ 46.950767][ T6769] irq event stamp: 264600 [ 46.951374][ T6769] hardirqs last enabled at (264599): [] finish_lock_switch+0xb0/0x1c0 [ 46.952994][ T6769] hardirqs last disabled at (264600): [] el1_brk64+0x20/0x54 [ 46.954402][ T6769] softirqs last enabled at (263704): [] local_bh_enable+0x10/0x34 [ 46.955914][ T6769] softirqs last disabled at (263702): [] local_bh_disable+0x10/0x34 [ 46.957393][ T6769] ---[ end trace 0000000000000000 ]--- [ 46.960686][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.995380][ T7037] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.998676][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 47.000783][ T6769] ------------[ cut here ]------------ [ 47.000790][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 47.003596][ T6769] Modules linked in: [ 47.004235][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.005953][ T6769] Tainted: [W]=WARN [ 47.006555][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.008072][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.009289][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.010327][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.011386][ T6769] sp : ffff8000a50e7100 [ 47.012096][ T6769] x29: ffff8000a50e7260 x28: ffff0000e1386300 x27: 0000000000000001 [ 47.013367][ T6769] x26: 0000000000000000 x25: 1fffe0001c270c60 x24: ffff0000e13862d8 [ 47.014637][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 47.015889][ T6769] x20: ffff0000c70de068 x19: ffff0000c70de000 x18: 1fffe0003377d090 [ 47.017196][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 47.018495][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 47.019731][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 47.020958][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 47.022217][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 47.023469][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.024692][ T6769] Call trace: [ 47.025191][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 47.026125][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 47.026899][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 47.027848][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.028747][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 47.029552][ T6769] ext4_dirty_inode+0xd4/0x104 [ 47.030335][ T6769] __mark_inode_dirty+0x358/0x15bc [ 47.031143][ T6769] iput+0x36c/0xfdc [ 47.031763][ T6769] dentry_unlink_inode+0x384/0x45c [ 47.032691][ T6769] __dentry_kill+0x170/0x594 [ 47.033455][ T6769] shrink_kill+0xd4/0x2cc [ 47.034162][ T6769] shrink_dentry_list+0x31c/0x6cc [ 47.034953][ T6769] shrink_dcache_tree+0xc0/0x290 [ 47.035694][ T6769] do_one_tree+0x30/0xf4 [ 47.036376][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 47.037211][ T6769] generic_shutdown_super+0x68/0x2b8 [ 47.038118][ T6769] kill_block_super+0x44/0x90 [ 47.038889][ T6769] ext4_kill_sb+0x68/0xa4 [ 47.039595][ T6769] deactivate_locked_super+0xc4/0x12c [ 47.040450][ T6769] deactivate_super+0xe0/0x100 [ 47.041175][ T6769] cleanup_mnt+0x31c/0x3ac [ 47.041863][ T6769] __cleanup_mnt+0x20/0x30 [ 47.042549][ T6769] task_work_run+0x1dc/0x260 [ 47.043332][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 47.044153][ T6769] el0_svc+0x17c/0x26c [ 47.044773][ T6769] el0t_64_sync_handler+0x84/0x12c [ 47.045577][ T6769] el0t_64_sync+0x198/0x19c [ 47.046250][ T6769] irq event stamp: 270820 [ 47.046939][ T6769] hardirqs last enabled at (270819): [] finish_lock_switch+0xb0/0x1c0 [ 47.048483][ T6769] hardirqs last disabled at (270820): [] el1_brk64+0x20/0x54 [ 47.049860][ T6769] softirqs last enabled at (270552): [] local_bh_enable+0x10/0x34 [ 47.051342][ T6769] softirqs last disabled at (270550): [] local_bh_disable+0x10/0x34 [ 47.052811][ T6769] ---[ end trace 0000000000000000 ]--- [ 47.056066][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.081293][ T7041] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.086997][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 47.089237][ T6769] ------------[ cut here ]------------ [ 47.089244][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 47.091778][ T6769] Modules linked in: [ 47.092374][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.093919][ T6769] Tainted: [W]=WARN [ 47.094486][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.095963][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.097065][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.098043][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.099003][ T6769] sp : ffff8000a50e7100 [ 47.099663][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e4bc80 x27: 0000000000000001 [ 47.100936][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc9790 x24: ffff0000e6e4bc58 [ 47.102182][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 47.103454][ T6769] x20: ffff0000e0a64068 x19: ffff0000e0a64000 x18: 1fffe0003377d090 [ 47.104697][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e714 x15: 0000000000000001 [ 47.105951][ T6769] x14: 1fffe0003377fb48 x13: 0000000000000000 x12: 0000000000000000 [ 47.107230][ T6769] x11: 0000000000000a02 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 47.108434][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 47.109634][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000010 [ 47.110829][ T6769] x2 : 0000000000000006 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.112069][ T6769] Call trace: [ 47.112548][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 47.113535][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 47.114368][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 47.115235][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.116144][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 47.116971][ T6769] ext4_dirty_inode+0xd4/0x104 [ 47.117766][ T6769] __mark_inode_dirty+0x358/0x15bc [ 47.118546][ T6769] iput+0x36c/0xfdc [ 47.119059][ T6769] dentry_unlink_inode+0x384/0x45c [ 47.119796][ T6769] __dentry_kill+0x170/0x594 [ 47.120451][ T6769] shrink_kill+0xd4/0x2cc [ 47.121126][ T6769] shrink_dentry_list+0x31c/0x6cc [ 47.121840][ T6769] shrink_dcache_tree+0xc0/0x290 [ 47.122560][ T6769] do_one_tree+0x30/0xf4 [ 47.123165][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 47.124047][ T6769] generic_shutdown_super+0x68/0x2b8 [ 47.124817][ T6769] kill_block_super+0x44/0x90 [ 47.125526][ T6769] ext4_kill_sb+0x68/0xa4 [ 47.126196][ T6769] deactivate_locked_super+0xc4/0x12c [ 47.127020][ T6769] deactivate_super+0xe0/0x100 [ 47.127765][ T6769] cleanup_mnt+0x31c/0x3ac [ 47.128419][ T6769] __cleanup_mnt+0x20/0x30 [ 47.129031][ T6769] task_work_run+0x1dc/0x260 [ 47.129751][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 47.130657][ T6769] el0_svc+0x17c/0x26c [ 47.131350][ T6769] el0t_64_sync_handler+0x84/0x12c [ 47.132154][ T6769] el0t_64_sync+0x198/0x19c [ 47.132905][ T6769] irq event stamp: 276346 [ 47.133665][ T6769] hardirqs last enabled at (276345): [] irqentry_exit+0x1b4/0x308 [ 47.135246][ T6769] hardirqs last disabled at (276346): [] el1_brk64+0x20/0x54 [ 47.136651][ T6769] softirqs last enabled at (276344): [] handle_softirqs+0xaf8/0xc88 [ 47.138055][ T6769] softirqs last disabled at (276321): [] __do_softirq+0x14/0x20 [ 47.139395][ T6769] ---[ end trace 0000000000000000 ]--- [ 47.142469][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.174796][ T7045] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.178251] ** replaying previous printk message ** [ 47.178251][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 47.178549][ T6769] ------------[ cut here ]------------ [ 47.178560][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 47.183515][ T6769] Modules linked in: [ 47.184237][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.185924][ T6769] Tainted: [W]=WARN [ 47.186487][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.188042][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.189304][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.190233][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.191215][ T6769] sp : ffff8000a50e7100 [ 47.191778][ T6769] x29: ffff8000a50e7260 x28: ffff0000e1169600 x27: 0000000000000001 [ 47.192989][ T6769] x26: 0000000000000000 x25: 1fffe0001c22d2c0 x24: ffff0000e11695d8 [ 47.194242][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 47.195572][ T6769] x20: ffff0000d7f5c068 x19: ffff0000d7f5c000 x18: 1fffe00033781890 [ 47.196817][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e714 x15: 0000000000000001 [ 47.198073][ T6769] x14: 1fffe00033784348 x13: 0000000000000000 x12: 0000000000000000 [ 47.199321][ T6769] x11: 0000000000000cd7 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 47.200575][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 47.201902][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000010 [ 47.203184][ T6769] x2 : 0000000000000006 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.204450][ T6769] Call trace: [ 47.204990][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 47.205962][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 47.206834][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 47.207686][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.208502][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 47.209261][ T6769] ext4_dirty_inode+0xd4/0x104 [ 47.209947][ T6769] __mark_inode_dirty+0x358/0x15bc [ 47.210668][ T6769] iput+0x36c/0xfdc [ 47.211219][ T6769] dentry_unlink_inode+0x384/0x45c [ 47.212041][ T6769] __dentry_kill+0x170/0x594 [ 47.212763][ T6769] shrink_kill+0xd4/0x2cc [ 47.213403][ T6769] shrink_dentry_list+0x31c/0x6cc [ 47.214234][ T6769] shrink_dcache_tree+0xc0/0x290 [ 47.215071][ T6769] do_one_tree+0x30/0xf4 [ 47.215720][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 47.216517][ T6769] generic_shutdown_super+0x68/0x2b8 [ 47.217307][ T6769] kill_block_super+0x44/0x90 [ 47.218011][ T6769] ext4_kill_sb+0x68/0xa4 [ 47.218652][ T6769] deactivate_locked_super+0xc4/0x12c [ 47.219493][ T6769] deactivate_super+0xe0/0x100 [ 47.220207][ T6769] cleanup_mnt+0x31c/0x3ac [ 47.220864][ T6769] __cleanup_mnt+0x20/0x30 [ 47.221512][ T6769] task_work_run+0x1dc/0x260 [ 47.222195][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 47.222957][ T6769] el0_svc+0x17c/0x26c [ 47.223615][ T6769] el0t_64_sync_handler+0x84/0x12c [ 47.224415][ T6769] el0t_64_sync+0x198/0x19c [ 47.225042][ T6769] irq event stamp: 282094 [ 47.225717][ T6769] hardirqs last enabled at (282093): [] finish_lock_switch+0xb0/0x1c0 [ 47.227214][ T6769] hardirqs last disabled at (282094): [] el1_brk64+0x20/0x54 [ 47.228648][ T6769] softirqs last enabled at (281828): [] local_bh_enable+0x10/0x34 [ 47.230274][ T6769] softirqs last disabled at (281826): [] local_bh_disable+0x10/0x34 [ 47.231731][ T6769] ---[ end trace 0000000000000000 ]--- [ 47.235299][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.270795][ T7051] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.276487][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 47.278437][ T6769] ------------[ cut here ]------------ [ 47.278445][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 47.280918][ T6769] Modules linked in: [ 47.281524][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.283119][ T6769] Tainted: [W]=WARN [ 47.283676][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.285175][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.286374][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.287412][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.288372][ T6769] sp : ffff8000a50e7100 [ 47.289041][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e532e0 x27: 0000000000000001 [ 47.290249][ T6769] x26: 0000000000000000 x25: 1fffe0001cdca65c x24: ffff0000e6e532b8 [ 47.291489][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 47.292788][ T6769] x20: ffff0000d33fe068 x19: ffff0000d33fe000 x18: 1fffe0003377d090 [ 47.294010][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 47.295180][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 47.296493][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 47.297764][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 47.299045][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 47.300298][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.301588][ T6769] Call trace: [ 47.302100][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 47.303124][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 47.303951][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 47.304876][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.305741][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 47.306597][ T6769] ext4_dirty_inode+0xd4/0x104 [ 47.307314][ T6769] __mark_inode_dirty+0x358/0x15bc [ 47.308119][ T6769] iput+0x36c/0xfdc [ 47.308744][ T6769] dentry_unlink_inode+0x384/0x45c [ 47.309462][ T6769] __dentry_kill+0x170/0x594 [ 47.310160][ T6769] shrink_kill+0xd4/0x2cc [ 47.310793][ T6769] shrink_dentry_list+0x31c/0x6cc [ 47.311561][ T6769] shrink_dcache_tree+0xc0/0x290 [ 47.312277][ T6769] do_one_tree+0x30/0xf4 [ 47.312962][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 47.313828][ T6769] generic_shutdown_super+0x68/0x2b8 [ 47.314632][ T6769] kill_block_super+0x44/0x90 [ 47.315335][ T6769] ext4_kill_sb+0x68/0xa4 [ 47.315999][ T6769] deactivate_locked_super+0xc4/0x12c [ 47.316846][ T6769] deactivate_super+0xe0/0x100 [ 47.317553][ T6769] cleanup_mnt+0x31c/0x3ac [ 47.318236][ T6769] __cleanup_mnt+0x20/0x30 [ 47.318857][ T6769] task_work_run+0x1dc/0x260 [ 47.319540][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 47.320379][ T6769] el0_svc+0x17c/0x26c [ 47.321003][ T6769] el0t_64_sync_handler+0x84/0x12c [ 47.321774][ T6769] el0t_64_sync+0x198/0x19c [ 47.322412][ T6769] irq event stamp: 289400 [ 47.323051][ T6769] hardirqs last enabled at (289399): [] finish_lock_switch+0xb0/0x1c0 [ 47.324514][ T6769] hardirqs last disabled at (289400): [] el1_brk64+0x20/0x54 [ 47.325923][ T6769] softirqs last enabled at (289136): [] local_bh_enable+0x10/0x34 [ 47.327347][ T6769] softirqs last disabled at (289134): [] local_bh_disable+0x10/0x34 [ 47.328800][ T6769] ---[ end trace 0000000000000000 ]--- [ 47.331809][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.360196][ T7055] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.368005][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 47.371042][ T6769] ------------[ cut here ]------------ [ 47.371049][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 47.373539][ T6769] Modules linked in: [ 47.374110][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.375721][ T6769] Tainted: [W]=WARN [ 47.376250][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.377888][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.379055][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.380047][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.381004][ T6769] sp : ffff8000a50e7100 [ 47.381603][ T6769] x29: ffff8000a50e7260 x28: ffff0000e13ab2e0 x27: 0000000000000001 [ 47.382839][ T6769] x26: 0000000000000000 x25: 1fffe0001c27565c x24: ffff0000e13ab2b8 [ 47.384043][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 47.385307][ T6769] x20: ffff0000d8f30068 x19: ffff0000d8f30000 x18: 1fffe0003377d090 [ 47.386668][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 47.387868][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 47.389065][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 47.390254][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 47.391480][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 47.392715][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.393923][ T6769] Call trace: [ 47.394367][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 47.395438][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 47.396251][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 47.397174][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.398084][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 47.399079][ T6769] ext4_dirty_inode+0xd4/0x104 [ 47.399827][ T6769] __mark_inode_dirty+0x358/0x15bc [ 47.400646][ T6769] iput+0x36c/0xfdc [ 47.401232][ T6769] dentry_unlink_inode+0x384/0x45c [ 47.402043][ T6769] __dentry_kill+0x170/0x594 [ 47.402730][ T6769] shrink_kill+0xd4/0x2cc [ 47.403381][ T6769] shrink_dentry_list+0x31c/0x6cc [ 47.404166][ T6769] shrink_dcache_tree+0xc0/0x290 [ 47.404909][ T6769] do_one_tree+0x30/0xf4 [ 47.405531][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 47.406361][ T6769] generic_shutdown_super+0x68/0x2b8 [ 47.407173][ T6769] kill_block_super+0x44/0x90 [ 47.407856][ T6769] ext4_kill_sb+0x68/0xa4 [ 47.408479][ T6769] deactivate_locked_super+0xc4/0x12c [ 47.409308][ T6769] deactivate_super+0xe0/0x100 [ 47.410037][ T6769] cleanup_mnt+0x31c/0x3ac [ 47.410717][ T6769] __cleanup_mnt+0x20/0x30 [ 47.411397][ T6769] task_work_run+0x1dc/0x260 [ 47.412106][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 47.412819][ T6769] el0_svc+0x17c/0x26c [ 47.413445][ T6769] el0t_64_sync_handler+0x84/0x12c [ 47.414296][ T6769] el0t_64_sync+0x198/0x19c [ 47.415020][ T6769] irq event stamp: 295714 [ 47.415759][ T6769] hardirqs last enabled at (295713): [] finish_lock_switch+0xb0/0x1c0 [ 47.417358][ T6769] hardirqs last disabled at (295714): [] el1_brk64+0x20/0x54 [ 47.418854][ T6769] softirqs last enabled at (295580): [] local_bh_enable+0x10/0x34 [ 47.420365][ T6769] softirqs last disabled at (295578): [] local_bh_disable+0x10/0x34 [ 47.421845][ T6769] ---[ end trace 0000000000000000 ]--- [ 47.425749][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.465804][ T7059] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 47.473605][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 47.473704][ T6769] ------------[ cut here ]------------ [ 47.473708][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 47.479161][ T6769] Modules linked in: [ 47.479764][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.481493][ T6769] Tainted: [W]=WARN [ 47.482142][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.483616][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.484811][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.485871][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.486866][ T6769] sp : ffff8000a50e7100 [ 47.487505][ T6769] x29: ffff8000a50e7260 x28: ffff0000e13acfc0 x27: 0000000000000001 [ 47.488777][ T6769] x26: 0000000000000000 x25: 1fffe0001c2759f8 x24: ffff0000e13acf98 [ 47.490038][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 47.491305][ T6769] x20: ffff0000d0d4a068 x19: ffff0000d0d4a000 x18: 1fffe00033781890 [ 47.492553][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 47.493721][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 47.494930][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 47.496083][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 47.497196][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 47.498400][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.499650][ T6769] Call trace: [ 47.500134][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 47.501200][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 47.502019][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 47.502896][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.503691][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 47.504532][ T6769] ext4_dirty_inode+0xd4/0x104 [ 47.505307][ T6769] __mark_inode_dirty+0x358/0x15bc [ 47.506036][ T6769] iput+0x36c/0xfdc [ 47.506673][ T6769] dentry_unlink_inode+0x384/0x45c [ 47.507408][ T6769] __dentry_kill+0x170/0x594 [ 47.508122][ T6769] shrink_kill+0xd4/0x2cc [ 47.508776][ T6769] shrink_dentry_list+0x31c/0x6cc [ 47.509520][ T6769] shrink_dcache_tree+0xc0/0x290 [ 47.510278][ T6769] do_one_tree+0x30/0xf4 [ 47.510936][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 47.511797][ T6769] generic_shutdown_super+0x68/0x2b8 [ 47.512553][ T6769] kill_block_super+0x44/0x90 [ 47.513305][ T6769] ext4_kill_sb+0x68/0xa4 [ 47.513942][ T6769] deactivate_locked_super+0xc4/0x12c [ 47.514801][ T6769] deactivate_super+0xe0/0x100 [ 47.515488][ T6769] cleanup_mnt+0x31c/0x3ac [ 47.516135][ T6769] __cleanup_mnt+0x20/0x30 [ 47.516796][ T6769] task_work_run+0x1dc/0x260 [ 47.517493][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 47.518268][ T6769] el0_svc+0x17c/0x26c [ 47.518906][ T6769] el0t_64_sync_handler+0x84/0x12c [ 47.519656][ T6769] el0t_64_sync+0x198/0x19c [ 47.520314][ T6769] irq event stamp: 303226 [ 47.520923][ T6769] hardirqs last enabled at (303225): [] irqentry_exit+0x1b4/0x308 [ 47.522273][ T6769] hardirqs last disabled at (303226): [] el1_brk64+0x20/0x54 [ 47.523553][ T6769] softirqs last enabled at (302984): [] local_bh_enable+0x10/0x34 [ 47.524960][ T6769] softirqs last disabled at (302982): [] local_bh_disable+0x10/0x34 [ 47.526486][ T6769] ---[ end trace 0000000000000000 ]--- [ 47.531559][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.570936][ T7064] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.577645 ** replaying previous printk message ** [ 47.577645][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 47.577886][ T6769] ------------[ cut here ]------------ [ 47.577891][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 47.582865][ T6769] Modules linked in: [ 47.583480][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.585100][ T6769] Tainted: [W]=WARN [ 47.585718][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.587224][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.588440][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.589439][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.590424][ T6769] sp : ffff8000a50e7100 [ 47.591124][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e5bc80 x27: 0000000000000001 [ 47.592455][ T6769] x26: 0000000000000000 x25: 1fffe0001cdcb790 x24: ffff0000e6e5bc58 [ 47.593664][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 47.594886][ T6769] x20: ffff0000cec26068 x19: ffff0000cec26000 x18: 1fffe00033781890 [ 47.596154][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 47.597390][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 47.598675][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 47.599968][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 47.601218][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 47.602491][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.603734][ T6769] Call trace: [ 47.604257][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 47.605318][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 47.606097][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 47.607012][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.607926][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 47.608792][ T6769] ext4_dirty_inode+0xd4/0x104 [ 47.609545][ T6769] __mark_inode_dirty+0x358/0x15bc [ 47.610366][ T6769] iput+0x36c/0xfdc [ 47.610967][ T6769] dentry_unlink_inode+0x384/0x45c [ 47.611748][ T6769] __dentry_kill+0x170/0x594 [ 47.612471][ T6769] shrink_kill+0xd4/0x2cc [ 47.613182][ T6769] shrink_dentry_list+0x31c/0x6cc [ 47.613995][ T6769] shrink_dcache_tree+0xc0/0x290 [ 47.614713][ T6769] do_one_tree+0x30/0xf4 [ 47.615401][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 47.616216][ T6769] generic_shutdown_super+0x68/0x2b8 [ 47.617019][ T6769] kill_block_super+0x44/0x90 [ 47.617754][ T6769] ext4_kill_sb+0x68/0xa4 [ 47.618430][ T6769] deactivate_locked_super+0xc4/0x12c [ 47.619297][ T6769] deactivate_super+0xe0/0x100 [ 47.620021][ T6769] cleanup_mnt+0x31c/0x3ac [ 47.620728][ T6769] __cleanup_mnt+0x20/0x30 [ 47.621406][ T6769] task_work_run+0x1dc/0x260 [ 47.622263][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 47.623031][ T6769] el0_svc+0x17c/0x26c [ 47.623674][ T6769] el0t_64_sync_handler+0x84/0x12c [ 47.624524][ T6769] el0t_64_sync+0x198/0x19c [ 47.625230][ T6769] irq event stamp: 309784 [ 47.625889][ T6769] hardirqs last enabled at (309783): [] finish_lock_switch+0xb0/0x1c0 [ 47.627408][ T6769] hardirqs last disabled at (309784): [] el1_brk64+0x20/0x54 [ 47.628837][ T6769] softirqs last enabled at (309462): [] local_bh_enable+0x10/0x34 [ 47.630315][ T6769] softirqs last disabled at (309460): [] local_bh_disable+0x10/0x34 [ 47.631798][ T6769] ---[ end trace 0000000000000000 ]--- [ 47.634907][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.690547][ T7068] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 47.695731][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 47.695821][ T6769] ------------[ cut here ]------------ [ 47.695826][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 47.700618][ T6769] Modules linked in: [ 47.701173][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.702807][ T6769] Tainted: [W]=WARN [ 47.703446][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.704949][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.706134][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.707161][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.708222][ T6769] sp : ffff8000a50e7100 [ 47.708830][ T6769] x29: ffff8000a50e7260 x28: ffff0000e114bc80 x27: 0000000000000001 [ 47.710010][ T6769] x26: 0000000000000000 x25: 1fffe0001c229790 x24: ffff0000e114bc58 [ 47.711204][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 47.712533][ T6769] x20: ffff0000ccb28068 x19: ffff0000ccb28000 x18: 1fffe00033781890 [ 47.713740][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 47.714992][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 47.716217][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 47.717420][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 47.718694][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 47.719870][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.720963][ T6769] Call trace: [ 47.721463][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 47.722504][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 47.723273][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 47.724222][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.725091][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 47.725940][ T6769] ext4_dirty_inode+0xd4/0x104 [ 47.726639][ T6769] __mark_inode_dirty+0x358/0x15bc [ 47.727435][ T6769] iput+0x36c/0xfdc [ 47.728045][ T6769] dentry_unlink_inode+0x384/0x45c [ 47.729130][ T6769] __dentry_kill+0x170/0x594 [ 47.729805][ T6769] shrink_kill+0xd4/0x2cc [ 47.730514][ T6769] shrink_dentry_list+0x31c/0x6cc [ 47.731247][ T6769] shrink_dcache_tree+0xc0/0x290 [ 47.732006][ T6769] do_one_tree+0x30/0xf4 [ 47.732638][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 47.733540][ T6769] generic_shutdown_super+0x68/0x2b8 [ 47.734286][ T6769] kill_block_super+0x44/0x90 [ 47.734993][ T6769] ext4_kill_sb+0x68/0xa4 [ 47.735619][ T6769] deactivate_locked_super+0xc4/0x12c [ 47.736400][ T6769] deactivate_super+0xe0/0x100 [ 47.737080][ T6769] cleanup_mnt+0x31c/0x3ac [ 47.737726][ T6769] __cleanup_mnt+0x20/0x30 [ 47.738372][ T6769] task_work_run+0x1dc/0x260 [ 47.739042][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 47.739895][ T6769] el0_svc+0x17c/0x26c [ 47.740511][ T6769] el0t_64_sync_handler+0x84/0x12c [ 47.741248][ T6769] el0t_64_sync+0x198/0x19c [ 47.741920][ T6769] irq event stamp: 316310 [ 47.742540][ T6769] hardirqs last enabled at (316309): [] irqentry_exit+0x1b4/0x308 [ 47.743882][ T6769] hardirqs last disabled at (316310): [] el1_brk64+0x20/0x54 [ 47.745211][ T6769] softirqs last enabled at (316058): [] local_bh_enable+0x10/0x34 [ 47.746634][ T6769] softirqs last disabled at (316056): [] local_bh_disable+0x10/0x34 [ 47.748094][ T6769] ---[ end trace 0000000000000000 ]--- [ 47.750481][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.783769][ T7072] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.787519][ T6769] ** replaying previous printk message ** [ 47.787519][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 47.787864][ T6769] ------------[ cut here ]------------ [ 47.787869][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 47.792786][ T6769] Modules linked in: [ 47.793448][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.795015][ T6769] Tainted: [W]=WARN [ 47.795637][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.797084][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.798370][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.799448][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.800403][ T6769] sp : ffff8000a50e7100 [ 47.801044][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e61fa0 x27: 0000000000000001 [ 47.802305][ T6769] x26: 0000000000000000 x25: 1fffe0001cdcc3f4 x24: ffff0000e6e61f78 [ 47.803665][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 47.804923][ T6769] x20: ffff0000dacae068 x19: ffff0000dacae000 x18: 1fffe00033781890 [ 47.806178][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 47.807343][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 47.808614][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 47.809888][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 47.811195][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 47.812490][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.813742][ T6769] Call trace: [ 47.814232][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 47.815383][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 47.816236][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 47.817122][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.818035][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 47.818868][ T6769] ext4_dirty_inode+0xd4/0x104 [ 47.819559][ T6769] __mark_inode_dirty+0x358/0x15bc [ 47.820302][ T6769] iput+0x36c/0xfdc [ 47.820889][ T6769] dentry_unlink_inode+0x384/0x45c [ 47.821716][ T6769] __dentry_kill+0x170/0x594 [ 47.822392][ T6769] shrink_kill+0xd4/0x2cc [ 47.823092][ T6769] shrink_dentry_list+0x31c/0x6cc [ 47.823954][ T6769] shrink_dcache_tree+0xc0/0x290 [ 47.824696][ T6769] do_one_tree+0x30/0xf4 [ 47.825321][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 47.826179][ T6769] generic_shutdown_super+0x68/0x2b8 [ 47.826969][ T6769] kill_block_super+0x44/0x90 [ 47.827756][ T6769] ext4_kill_sb+0x68/0xa4 [ 47.828428][ T6769] deactivate_locked_super+0xc4/0x12c [ 47.829213][ T6769] deactivate_super+0xe0/0x100 [ 47.829937][ T6769] cleanup_mnt+0x31c/0x3ac [ 47.830660][ T6769] __cleanup_mnt+0x20/0x30 [ 47.831385][ T6769] task_work_run+0x1dc/0x260 [ 47.832099][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 47.832835][ T6769] el0_svc+0x17c/0x26c [ 47.833375][ T6769] el0t_64_sync_handler+0x84/0x12c [ 47.834180][ T6769] el0t_64_sync+0x198/0x19c [ 47.834871][ T6769] irq event stamp: 322260 [ 47.835523][ T6769] hardirqs last enabled at (322259): [] finish_lock_switch+0xb0/0x1c0 [ 47.836965][ T6769] hardirqs last disabled at (322260): [] el1_brk64+0x20/0x54 [ 47.838308][ T6769] softirqs last enabled at (321994): [] local_bh_enable+0x10/0x34 [ 47.839865][ T6769] softirqs last disabled at (321992): [] local_bh_disable+0x10/0x34 [ 47.841266][ T6769] ---[ end trace 0000000000000000 ]--- [ 47.850257][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.903443][ T7076] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.909692][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 47.911709][ T6769] ------------[ cut here ]------------ [ 47.911716][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 47.914023][ T6769] Modules linked in: [ 47.914707][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.916373][ T6769] Tainted: [W]=WARN [ 47.916979][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 47.918578][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.919745][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.920780][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 47.921849][ T6769] sp : ffff8000a50e7100 [ 47.922501][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c1c620 x27: 0000000000000001 [ 47.923775][ T6769] x26: 0000000000000000 x25: 1fffe0001cd838c4 x24: ffff0000e6c1c5f8 [ 47.925051][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 47.926341][ T6769] x20: ffff0000cc88c068 x19: ffff0000cc88c000 x18: 1fffe0003377d090 [ 47.927592][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e714 x15: 0000000000000001 [ 47.928873][ T6769] x14: 1fffe0001a7bd7e0 x13: 0000000000000000 x12: 0000000000000000 [ 47.930140][ T6769] x11: 0000000000000b6c x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 47.931356][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 47.932591][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008049046c [ 47.933794][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.935068][ T6769] Call trace: [ 47.935547][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 47.936526][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 47.937351][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 47.938230][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.939135][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 47.939918][ T6769] ext4_dirty_inode+0xd4/0x104 [ 47.940634][ T6769] __mark_inode_dirty+0x358/0x15bc [ 47.941450][ T6769] iput+0x36c/0xfdc [ 47.942028][ T6769] dentry_unlink_inode+0x384/0x45c [ 47.942790][ T6769] __dentry_kill+0x170/0x594 [ 47.943497][ T6769] shrink_kill+0xd4/0x2cc [ 47.944168][ T6769] shrink_dentry_list+0x31c/0x6cc [ 47.944922][ T6769] shrink_dcache_tree+0xc0/0x290 [ 47.945709][ T6769] do_one_tree+0x30/0xf4 [ 47.946350][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 47.947178][ T6769] generic_shutdown_super+0x68/0x2b8 [ 47.948074][ T6769] kill_block_super+0x44/0x90 [ 47.948769][ T6769] ext4_kill_sb+0x68/0xa4 [ 47.949404][ T6769] deactivate_locked_super+0xc4/0x12c [ 47.950181][ T6769] deactivate_super+0xe0/0x100 [ 47.950865][ T6769] cleanup_mnt+0x31c/0x3ac [ 47.951513][ T6769] __cleanup_mnt+0x20/0x30 [ 47.952224][ T6769] task_work_run+0x1dc/0x260 [ 47.952950][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 47.953765][ T6769] el0_svc+0x17c/0x26c [ 47.954451][ T6769] el0t_64_sync_handler+0x84/0x12c [ 47.955194][ T6769] el0t_64_sync+0x198/0x19c [ 47.955894][ T6769] irq event stamp: 329386 [ 47.956477][ T6769] hardirqs last enabled at (329385): [] finish_lock_switch+0xb0/0x1c0 [ 47.957968][ T6769] hardirqs last disabled at (329386): [] el1_brk64+0x20/0x54 [ 47.959268][ T6769] softirqs last enabled at (329362): [] handle_softirqs+0xaf8/0xc88 [ 47.960701][ T6769] softirqs last disabled at (329101): [] __do_softirq+0x14/0x20 [ 47.962128][ T6769] ---[ end trace 0000000000000000 ]--- [ 47.964809][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.001911][ T7080] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 48.005818][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 48.008244][ T6769] ------------[ cut here ]------------ [ 48.008254][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 48.010879][ T6769] Modules linked in: [ 48.011491][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.013107][ T6769] Tainted: [W]=WARN [ 48.013696][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.015148][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.016368][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.017420][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.018405][ T6769] sp : ffff8000a50e7100 [ 48.019011][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e66ca0 x27: 0000000000000001 [ 48.020229][ T6769] x26: 0000000000000000 x25: 1fffe0001cdccd94 x24: ffff0000e6e66c78 [ 48.021458][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 48.022621][ T6769] x20: ffff0000d1274068 x19: ffff0000d1274000 x18: 1fffe0003377d090 [ 48.023795][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 48.024978][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 48.026093][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 48.027198][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 48.028310][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 48.029477][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.030587][ T6769] Call trace: [ 48.031110][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 48.032013][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 48.032775][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.033660][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.034462][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 48.035327][ T6769] ext4_dirty_inode+0xd4/0x104 [ 48.035980][ T6769] __mark_inode_dirty+0x358/0x15bc [ 48.036707][ T6769] iput+0x36c/0xfdc [ 48.037290][ T6769] dentry_unlink_inode+0x384/0x45c [ 48.038020][ T6769] __dentry_kill+0x170/0x594 [ 48.038700][ T6769] shrink_kill+0xd4/0x2cc [ 48.039323][ T6769] shrink_dentry_list+0x31c/0x6cc [ 48.040057][ T6769] shrink_dcache_tree+0xc0/0x290 [ 48.040768][ T6769] do_one_tree+0x30/0xf4 [ 48.041421][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 48.042180][ T6769] generic_shutdown_super+0x68/0x2b8 [ 48.042984][ T6769] kill_block_super+0x44/0x90 [ 48.043712][ T6769] ext4_kill_sb+0x68/0xa4 [ 48.044434][ T6769] deactivate_locked_super+0xc4/0x12c [ 48.045258][ T6769] deactivate_super+0xe0/0x100 [ 48.045990][ T6769] cleanup_mnt+0x31c/0x3ac [ 48.046648][ T6769] __cleanup_mnt+0x20/0x30 [ 48.047296][ T6769] task_work_run+0x1dc/0x260 [ 48.048020][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 48.048837][ T6769] el0_svc+0x17c/0x26c [ 48.049433][ T6769] el0t_64_sync_handler+0x84/0x12c [ 48.050231][ T6769] el0t_64_sync+0x198/0x19c [ 48.050894][ T6769] irq event stamp: 336292 [ 48.051600][ T6769] hardirqs last enabled at (336291): [] finish_lock_switch+0xb0/0x1c0 [ 48.053109][ T6769] hardirqs last disabled at (336292): [] el1_brk64+0x20/0x54 [ 48.054522][ T6769] softirqs last enabled at (336024): [] local_bh_enable+0x10/0x34 [ 48.056017][ T6769] softirqs last disabled at (336022): [] local_bh_disable+0x10/0x34 [ 48.057518][ T6769] ---[ end trace 0000000000000000 ]--- [ 48.062265][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.090972][ T7084] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 48.101827][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 48.109577][ T6769] ------------[ cut here ]------------ [ 48.109584][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 48.112370][ T6769] Modules linked in: [ 48.112998][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.114678][ T6769] Tainted: [W]=WARN [ 48.115243][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.116767][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.117937][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.118891][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.119911][ T6769] sp : ffff8000a50e7100 [ 48.120477][ T6769] x29: ffff8000a50e7260 x28: ffff0000e13fb2e0 x27: 0000000000000001 [ 48.121666][ T6769] x26: 0000000000000000 x25: 1fffe0001c27f65c x24: ffff0000e13fb2b8 [ 48.122922][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 48.124181][ T6769] x20: ffff0000dba20068 x19: ffff0000dba20000 x18: 1fffe0003377d090 [ 48.125419][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 48.126623][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 48.127839][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 48.129103][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 48.130318][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 48.131567][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.132877][ T6769] Call trace: [ 48.133384][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 48.134451][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 48.135233][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.136117][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.136946][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 48.137756][ T6769] ext4_dirty_inode+0xd4/0x104 [ 48.138557][ T6769] __mark_inode_dirty+0x358/0x15bc [ 48.139334][ T6769] iput+0x36c/0xfdc [ 48.139876][ T6769] dentry_unlink_inode+0x384/0x45c [ 48.140671][ T6769] __dentry_kill+0x170/0x594 [ 48.141343][ T6769] shrink_kill+0xd4/0x2cc [ 48.141996][ T6769] shrink_dentry_list+0x31c/0x6cc [ 48.142735][ T6769] shrink_dcache_tree+0xc0/0x290 [ 48.143474][ T6769] do_one_tree+0x30/0xf4 [ 48.144124][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 48.144975][ T6769] generic_shutdown_super+0x68/0x2b8 [ 48.145782][ T6769] kill_block_super+0x44/0x90 [ 48.146592][ T6769] ext4_kill_sb+0x68/0xa4 [ 48.147293][ T6769] deactivate_locked_super+0xc4/0x12c [ 48.148155][ T6769] deactivate_super+0xe0/0x100 [ 48.148892][ T6769] cleanup_mnt+0x31c/0x3ac [ 48.149579][ T6769] __cleanup_mnt+0x20/0x30 [ 48.150195][ T6769] task_work_run+0x1dc/0x260 [ 48.150875][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 48.151718][ T6769] el0_svc+0x17c/0x26c [ 48.152317][ T6769] el0t_64_sync_handler+0x84/0x12c [ 48.153110][ T6769] el0t_64_sync+0x198/0x19c [ 48.153800][ T6769] irq event stamp: 341816 [ 48.154426][ T6769] hardirqs last enabled at (341815): [] finish_lock_switch+0xb0/0x1c0 [ 48.155809][ T6769] hardirqs last disabled at (341816): [] el1_brk64+0x20/0x54 [ 48.157082][ T6769] softirqs last enabled at (341652): [] local_bh_enable+0x10/0x34 [ 48.158426][ T6769] softirqs last disabled at (341650): [] local_bh_disable+0x10/0x34 [ 48.159988][ T6769] ---[ end trace 0000000000000000 ]--- [ 48.170913][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.200643][ T7088] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 48.208274][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 48.210295][ T6769] ------------[ cut here ]------------ [ 48.210302][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 48.212766][ T6769] Modules linked in: [ 48.213349][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.214922][ T6769] Tainted: [W]=WARN [ 48.215445][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.216862][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.217966][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.218919][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.219961][ T6769] sp : ffff8000a50e7100 [ 48.220629][ T6769] x29: ffff8000a50e7260 x28: ffff0000e13ff640 x27: 0000000000000001 [ 48.221839][ T6769] x26: 0000000000000000 x25: 1fffe0001c27fec8 x24: ffff0000e13ff618 [ 48.223086][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 48.224259][ T6769] x20: ffff0000c907c068 x19: ffff0000c907c000 x18: 1fffe0003377d090 [ 48.225510][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 48.226789][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 48.227975][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 48.229194][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 48.230441][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 48.231694][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.232975][ T6769] Call trace: [ 48.233502][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 48.234560][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 48.235475][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.236377][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.237212][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 48.238049][ T6769] ext4_dirty_inode+0xd4/0x104 [ 48.238932][ T6769] __mark_inode_dirty+0x358/0x15bc [ 48.239773][ T6769] iput+0x36c/0xfdc [ 48.240409][ T6769] dentry_unlink_inode+0x384/0x45c [ 48.241258][ T6769] __dentry_kill+0x170/0x594 [ 48.242022][ T6769] shrink_kill+0xd4/0x2cc [ 48.242692][ T6769] shrink_dentry_list+0x31c/0x6cc [ 48.243462][ T6769] shrink_dcache_tree+0xc0/0x290 [ 48.244282][ T6769] do_one_tree+0x30/0xf4 [ 48.244954][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 48.245825][ T6769] generic_shutdown_super+0x68/0x2b8 [ 48.246656][ T6769] kill_block_super+0x44/0x90 [ 48.247409][ T6769] ext4_kill_sb+0x68/0xa4 [ 48.248107][ T6769] deactivate_locked_super+0xc4/0x12c [ 48.248925][ T6769] deactivate_super+0xe0/0x100 [ 48.249683][ T6769] cleanup_mnt+0x31c/0x3ac [ 48.250440][ T6769] __cleanup_mnt+0x20/0x30 [ 48.251121][ T6769] task_work_run+0x1dc/0x260 [ 48.251806][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 48.252621][ T6769] el0_svc+0x17c/0x26c [ 48.253272][ T6769] el0t_64_sync_handler+0x84/0x12c [ 48.254129][ T6769] el0t_64_sync+0x198/0x19c [ 48.254797][ T6769] irq event stamp: 347320 [ 48.255446][ T6769] hardirqs last enabled at (347319): [] finish_lock_switch+0xb0/0x1c0 [ 48.257043][ T6769] hardirqs last disabled at (347320): [] el1_brk64+0x20/0x54 [ 48.258477][ T6769] softirqs last enabled at (347142): [] local_bh_enable+0x10/0x34 [ 48.259876][ T6769] softirqs last disabled at (347140): [] local_bh_disable+0x10/0x34 [ 48.261386][ T6769] ---[ end trace 0000000000000000 ]--- [ 48.263923][ T54] Bluetooth: hci0: command tx timeout [ 48.266116][ T6769] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ ** replaying previous printk message ** [ 48.294714][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 48.294811][ T6769] ------------[ cut here ]------------ [ 48.294815][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 48.299385][ T6769] Modules linked in: [ 48.299961][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.301641][ T6769] Tainted: [W]=WARN [ 48.302171][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.303677][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.304897][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.305865][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.306901][ T6769] sp : ffff8000a50e7100 [ 48.307543][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c682c0 x27: 0000000000000001 [ 48.308813][ T6769] x26: 0000000000000000 x25: 1fffe0001cd8d058 x24: ffff0000e6c68298 [ 48.310034][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 48.311304][ T6769] x20: ffff0000d4762068 x19: ffff0000d4762000 x18: 1fffe00033781890 [ 48.312538][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 48.313755][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 48.314990][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 48.316243][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 48.317438][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 48.318672][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.319872][ T6769] Call trace: [ 48.320336][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 48.321300][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 48.322079][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.322948][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.323754][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 48.324523][ T6769] ext4_dirty_inode+0xd4/0x104 [ 48.325302][ T6769] __mark_inode_dirty+0x358/0x15bc [ 48.326077][ T6769] iput+0x36c/0xfdc [ 48.326657][ T6769] dentry_unlink_inode+0x384/0x45c [ 48.327443][ T6769] __dentry_kill+0x170/0x594 [ 48.328173][ T6769] shrink_kill+0xd4/0x2cc [ 48.328821][ T6769] shrink_dentry_list+0x31c/0x6cc [ 48.329580][ T6769] shrink_dcache_tree+0xc0/0x290 [ 48.330351][ T6769] do_one_tree+0x30/0xf4 [ 48.330965][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 48.331826][ T6769] generic_shutdown_super+0x68/0x2b8 [ 48.332675][ T6769] kill_block_super+0x44/0x90 [ 48.333412][ T6769] ext4_kill_sb+0x68/0xa4 [ 48.334097][ T6769] deactivate_locked_super+0xc4/0x12c [ 48.334993][ T6769] deactivate_super+0xe0/0x100 [ 48.335704][ T6769] cleanup_mnt+0x31c/0x3ac [ 48.336363][ T6769] __cleanup_mnt+0x20/0x30 [ 48.337058][ T6769] task_work_run+0x1dc/0x260 [ 48.337772][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 48.338623][ T6769] el0_svc+0x17c/0x26c [ 48.339262][ T6769] el0t_64_sync_handler+0x84/0x12c [ 48.340041][ T6769] el0t_64_sync+0x198/0x19c [ 48.340726][ T6769] irq event stamp: 352970 [ 48.341384][ T6769] hardirqs last enabled at (352969): [] irqentry_exit+0x1b4/0x308 [ 48.342893][ T6769] hardirqs last disabled at (352970): [] el1_brk64+0x20/0x54 [ 48.344271][ T6769] softirqs last enabled at (352686): [] local_bh_enable+0x10/0x34 [ 48.345662][ T6769] softirqs last disabled at (352684): [] local_bh_disable+0x10/0x34 [ 48.347084][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 48.385168][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 48.385262][ T6769] ------------[ cut here ]------------ [ 48.385267][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 48.390356][ T6769] Modules linked in: [ 48.391014][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.392816][ T6769] Tainted: [W]=WARN [ 48.393504][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.395036][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.396271][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.397327][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.398321][ T6769] sp : ffff8000a50e7100 [ 48.398951][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c802c0 x27: 0000000000000001 [ 48.400207][ T6769] x26: 0000000000000000 x25: 1fffe0001cd90058 x24: ffff0000e6c80298 [ 48.401437][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 48.402672][ T6769] x20: ffff0000d8aa4068 x19: ffff0000d8aa4000 x18: 1fffe00033781890 [ 48.403905][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 48.405107][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 48.406311][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 48.407601][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 48.408929][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 48.410261][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.411478][ T6769] Call trace: [ 48.411959][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 48.413005][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 48.413931][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.414897][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.415792][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 48.416691][ T6769] ext4_dirty_inode+0xd4/0x104 [ 48.417464][ T6769] __mark_inode_dirty+0x358/0x15bc [ 48.418292][ T6769] iput+0x36c/0xfdc [ 48.418958][ T6769] dentry_unlink_inode+0x384/0x45c [ 48.419786][ T6769] __dentry_kill+0x170/0x594 [ 48.420521][ T6769] shrink_kill+0xd4/0x2cc [ 48.421232][ T6769] shrink_dentry_list+0x31c/0x6cc [ 48.422120][ T6769] shrink_dcache_tree+0xc0/0x290 [ 48.422929][ T6769] do_one_tree+0x30/0xf4 [ 48.423687][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 48.424655][ T6769] generic_shutdown_super+0x68/0x2b8 [ 48.425522][ T6769] kill_block_super+0x44/0x90 [ 48.426255][ T6769] ext4_kill_sb+0x68/0xa4 [ 48.426978][ T6769] deactivate_locked_super+0xc4/0x12c [ 48.427819][ T6769] deactivate_super+0xe0/0x100 [ 48.428568][ T6769] cleanup_mnt+0x31c/0x3ac [ 48.429260][ T6769] __cleanup_mnt+0x20/0x30 [ 48.429948][ T6769] task_work_run+0x1dc/0x260 [ 48.430705][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 48.431527][ T6769] el0_svc+0x17c/0x26c [ 48.432170][ T6769] el0t_64_sync_handler+0x84/0x12c [ 48.432907][ T6769] el0t_64_sync+0x198/0x19c [ 48.433574][ T6769] irq event stamp: 359058 [ 48.434214][ T6769] hardirqs last enabled at (359057): [] irqentry_exit+0x1b4/0x308 [ 48.435805][ T6769] hardirqs last disabled at (359058): [] el1_brk64+0x20/0x54 [ 48.437235][ T6769] softirqs last enabled at (358798): [] local_bh_enable+0x10/0x34 [ 48.438758][ T6769] softirqs last disabled at (358796): [] local_bh_disable+0x10/0x34 [ 48.440299][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 48.489798][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 48.489889][ T6769] ------------[ cut here ]------------ [ 48.489892][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 48.494902][ T6769] Modules linked in: [ 48.495454][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.497018][ T6769] Tainted: [W]=WARN [ 48.497542][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.498967][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.500111][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.501029][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.501937][ T6769] sp : ffff8000a50e7100 [ 48.502534][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c6f640 x27: 0000000000000001 [ 48.503743][ T6769] x26: 0000000000000000 x25: 1fffe0001cd8dec8 x24: ffff0000e6c6f618 [ 48.504888][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 48.506067][ T6769] x20: ffff0000dfd82068 x19: ffff0000dfd82000 x18: 1fffe00033781890 [ 48.507245][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 48.508374][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 48.509506][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 48.510601][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 48.511824][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 48.512956][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.514104][ T6769] Call trace: [ 48.514562][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 48.515538][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 48.516315][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.517095][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.517853][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 48.518616][ T6769] ext4_dirty_inode+0xd4/0x104 [ 48.519305][ T6769] __mark_inode_dirty+0x358/0x15bc [ 48.520043][ T6769] iput+0x36c/0xfdc [ 48.520602][ T6769] dentry_unlink_inode+0x384/0x45c [ 48.521321][ T6769] __dentry_kill+0x170/0x594 [ 48.521951][ T6769] shrink_kill+0xd4/0x2cc [ 48.522636][ T6769] shrink_dentry_list+0x31c/0x6cc [ 48.523355][ T6769] shrink_dcache_tree+0xc0/0x290 [ 48.524092][ T6769] do_one_tree+0x30/0xf4 [ 48.524708][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 48.525523][ T6769] generic_shutdown_super+0x68/0x2b8 [ 48.526334][ T6769] kill_block_super+0x44/0x90 [ 48.527039][ T6769] ext4_kill_sb+0x68/0xa4 [ 48.527720][ T6769] deactivate_locked_super+0xc4/0x12c [ 48.528570][ T6769] deactivate_super+0xe0/0x100 [ 48.529378][ T6769] cleanup_mnt+0x31c/0x3ac [ 48.529991][ T6769] __cleanup_mnt+0x20/0x30 [ 48.530698][ T6769] task_work_run+0x1dc/0x260 [ 48.531409][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 48.532279][ T6769] el0_svc+0x17c/0x26c [ 48.532931][ T6769] el0t_64_sync_handler+0x84/0x12c [ 48.533652][ T6769] el0t_64_sync+0x198/0x19c [ 48.534373][ T6769] irq event stamp: 366248 [ 48.535006][ T6769] hardirqs last enabled at (366247): [] irqentry_exit+0x1b4/0x308 [ 48.536515][ T6769] hardirqs last disabled at (366248): [] el1_brk64+0x20/0x54 [ 48.537790][ T6769] softirqs last enabled at (365956): [] local_bh_enable+0x10/0x34 [ 48.539267][ T6769] softirqs last disabled at (365954): [] local_bh_disable+0x10/0x34 [ 48.540675][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 48.586045][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 48.586135][ T6769] ------------[ cut here ]------------ [ 48.586139][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 48.591069][ T6769] Modules linked in: [ 48.591674][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.593291][ T6769] Tainted: [W]=WARN [ 48.593841][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.595408][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.596538][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.597666][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.598668][ T6769] sp : ffff8000a50e7100 [ 48.599282][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c86300 x27: 0000000000000001 [ 48.600621][ T6769] x26: 0000000000000000 x25: 1fffe0001cd90c60 x24: ffff0000e6c862d8 [ 48.601894][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 48.603168][ T6769] x20: ffff0000c6b02068 x19: ffff0000c6b02000 x18: 1fffe00033781890 [ 48.604442][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 48.605736][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 48.606934][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 48.607949][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 48.609122][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 48.610357][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.611602][ T6769] Call trace: [ 48.612108][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 48.613120][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 48.613901][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.614877][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.615773][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 48.616630][ T6769] ext4_dirty_inode+0xd4/0x104 [ 48.617332][ T6769] __mark_inode_dirty+0x358/0x15bc [ 48.618139][ T6769] iput+0x36c/0xfdc [ 48.618811][ T6769] dentry_unlink_inode+0x384/0x45c [ 48.619566][ T6769] __dentry_kill+0x170/0x594 [ 48.620228][ T6769] shrink_kill+0xd4/0x2cc [ 48.620879][ T6769] shrink_dentry_list+0x31c/0x6cc [ 48.621602][ T6769] shrink_dcache_tree+0xc0/0x290 [ 48.622290][ T6769] do_one_tree+0x30/0xf4 [ 48.622917][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 48.623743][ T6769] generic_shutdown_super+0x68/0x2b8 [ 48.624585][ T6769] kill_block_super+0x44/0x90 [ 48.625362][ T6769] ext4_kill_sb+0x68/0xa4 [ 48.626097][ T6769] deactivate_locked_super+0xc4/0x12c [ 48.626874][ T6769] deactivate_super+0xe0/0x100 [ 48.627580][ T6769] cleanup_mnt+0x31c/0x3ac [ 48.628290][ T6769] __cleanup_mnt+0x20/0x30 [ 48.629004][ T6769] task_work_run+0x1dc/0x260 [ 48.629675][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 48.630503][ T6769] el0_svc+0x17c/0x26c [ 48.631107][ T6769] el0t_64_sync_handler+0x84/0x12c [ 48.631831][ T6769] el0t_64_sync+0x198/0x19c [ 48.632538][ T6769] irq event stamp: 374300 [ 48.633125][ T6769] hardirqs last enabled at (374299): [] irqentry_exit+0x1b4/0x308 [ 48.634601][ T6769] hardirqs last disabled at (374300): [] el1_brk64+0x20/0x54 [ 48.635944][ T6769] softirqs last enabled at (374010): [] local_bh_enable+0x10/0x34 [ 48.637214][ T6769] softirqs last disabled at (374008): [] local_bh_disable+0x10/0x34 [ 48.638541][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 48.678133][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 48.678233][ T6769] ------------[ cut here ]------------ [ 48.678237][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 48.683398][ T6769] Modules linked in: [ 48.684059][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.685631][ T6769] Tainted: [W]=WARN [ 48.686244][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.687681][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.688784][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.689776][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.690749][ T6769] sp : ffff8000a50e7100 [ 48.691373][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c2cfc0 x27: 0000000000000001 [ 48.692703][ T6769] x26: 0000000000000000 x25: 1fffe0001cd859f8 x24: ffff0000e6c2cf98 [ 48.693900][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 48.695213][ T6769] x20: ffff0000c7b56068 x19: ffff0000c7b56000 x18: 1fffe00033781890 [ 48.696444][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 48.697627][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 48.698884][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 48.700149][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 48.701461][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 48.702783][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.704069][ T6769] Call trace: [ 48.704573][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 48.705594][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 48.706385][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.707237][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.708098][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 48.708878][ T6769] ext4_dirty_inode+0xd4/0x104 [ 48.709640][ T6769] __mark_inode_dirty+0x358/0x15bc [ 48.710477][ T6769] iput+0x36c/0xfdc [ 48.711051][ T6769] dentry_unlink_inode+0x384/0x45c [ 48.711818][ T6769] __dentry_kill+0x170/0x594 [ 48.712520][ T6769] shrink_kill+0xd4/0x2cc [ 48.713167][ T6769] shrink_dentry_list+0x31c/0x6cc [ 48.713893][ T6769] shrink_dcache_tree+0xc0/0x290 [ 48.714719][ T6769] do_one_tree+0x30/0xf4 [ 48.715396][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 48.716303][ T6769] generic_shutdown_super+0x68/0x2b8 [ 48.717157][ T6769] kill_block_super+0x44/0x90 [ 48.717874][ T6769] ext4_kill_sb+0x68/0xa4 [ 48.718647][ T6769] deactivate_locked_super+0xc4/0x12c [ 48.719498][ T6769] deactivate_super+0xe0/0x100 [ 48.720260][ T6769] cleanup_mnt+0x31c/0x3ac [ 48.720932][ T6769] __cleanup_mnt+0x20/0x30 [ 48.721533][ T6769] task_work_run+0x1dc/0x260 [ 48.722167][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 48.722971][ T6769] el0_svc+0x17c/0x26c [ 48.723583][ T6769] el0t_64_sync_handler+0x84/0x12c [ 48.724348][ T6769] el0t_64_sync+0x198/0x19c [ 48.725053][ T6769] irq event stamp: 380658 [ 48.725608][ T6769] hardirqs last enabled at (380657): [] irqentry_exit+0x1b4/0x308 [ 48.726934][ T6769] hardirqs last disabled at (380658): [] el1_brk64+0x20/0x54 [ 48.728219][ T6769] softirqs last enabled at (379870): [] local_bh_enable+0x10/0x34 [ 48.729593][ T6769] softirqs last disabled at (379868): [] local_bh_disable+0x10/0x34 [ 48.731042][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 48.767708][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 48.767804][ T6769] ------------[ cut here ]------------ [ 48.767808][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 48.772900][ T6769] Modules linked in: [ 48.773515][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.775322][ T6769] Tainted: [W]=WARN [ 48.775907][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.777381][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.778583][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.779586][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.780577][ T6769] sp : ffff8000a50e7100 [ 48.781221][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6df9600 x27: 0000000000000001 [ 48.782461][ T6769] x26: 0000000000000000 x25: 1fffe0001cdbf2c0 x24: ffff0000e6df95d8 [ 48.783602][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 48.784816][ T6769] x20: ffff0000c80f4068 x19: ffff0000c80f4000 x18: 1fffe00033781890 [ 48.786000][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 48.787258][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 48.788509][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 48.789678][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 48.790916][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 48.792164][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.793333][ T6769] Call trace: [ 48.793824][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 48.794775][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 48.795580][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.796408][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.797262][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 48.798067][ T6769] ext4_dirty_inode+0xd4/0x104 [ 48.798792][ T6769] __mark_inode_dirty+0x358/0x15bc [ 48.799562][ T6769] iput+0x36c/0xfdc [ 48.800106][ T6769] dentry_unlink_inode+0x384/0x45c [ 48.800799][ T6769] __dentry_kill+0x170/0x594 [ 48.801447][ T6769] shrink_kill+0xd4/0x2cc [ 48.802061][ T6769] shrink_dentry_list+0x31c/0x6cc [ 48.802776][ T6769] shrink_dcache_tree+0xc0/0x290 [ 48.803494][ T6769] do_one_tree+0x30/0xf4 [ 48.804149][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 48.805010][ T6769] generic_shutdown_super+0x68/0x2b8 [ 48.805866][ T6769] kill_block_super+0x44/0x90 [ 48.806527][ T6769] ext4_kill_sb+0x68/0xa4 [ 48.807194][ T6769] deactivate_locked_super+0xc4/0x12c [ 48.808104][ T6769] deactivate_super+0xe0/0x100 [ 48.808887][ T6769] cleanup_mnt+0x31c/0x3ac [ 48.809592][ T6769] __cleanup_mnt+0x20/0x30 [ 48.810246][ T6769] task_work_run+0x1dc/0x260 [ 48.810974][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 48.811789][ T6769] el0_svc+0x17c/0x26c [ 48.812399][ T6769] el0t_64_sync_handler+0x84/0x12c [ 48.813202][ T6769] el0t_64_sync+0x198/0x19c [ 48.813935][ T6769] irq event stamp: 386200 [ 48.814535][ T6769] hardirqs last enabled at (386199): [] irqentry_exit+0x1b4/0x308 [ 48.815940][ T6769] hardirqs last disabled at (386200): [] el1_brk64+0x20/0x54 [ 48.817390][ T6769] softirqs last enabled at (385862): [] local_bh_enable+0x10/0x34 [ 48.818747][ T6769] softirqs last disabled at (385860): [] local_bh_disable+0x10/0x34 [ 48.820153][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 48.868098][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 48.868193][ T6769] ------------[ cut here ]------------ [ 48.868198][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 48.873553][ T6769] Modules linked in: [ 48.874177][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.875886][ T6769] Tainted: [W]=WARN [ 48.876510][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.878094][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.879398][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.880459][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.881564][ T6769] sp : ffff8000a50e7100 [ 48.882245][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6d91600 x27: 0000000000000001 [ 48.883519][ T6769] x26: 0000000000000000 x25: 1fffe0001cdb22c0 x24: ffff0000e6d915d8 [ 48.884780][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 48.886100][ T6769] x20: ffff0000c8dbe068 x19: ffff0000c8dbe000 x18: 1fffe00033781890 [ 48.887430][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 48.888724][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 48.890054][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 48.891312][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 48.892589][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 48.893761][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.895007][ T6769] Call trace: [ 48.895489][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 48.896501][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 48.897328][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 48.898242][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.899274][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 48.900178][ T6769] ext4_dirty_inode+0xd4/0x104 [ 48.900933][ T6769] __mark_inode_dirty+0x358/0x15bc [ 48.901786][ T6769] iput+0x36c/0xfdc [ 48.902370][ T6769] dentry_unlink_inode+0x384/0x45c [ 48.903204][ T6769] __dentry_kill+0x170/0x594 [ 48.903881][ T6769] shrink_kill+0xd4/0x2cc [ 48.904586][ T6769] shrink_dentry_list+0x31c/0x6cc [ 48.905405][ T6769] shrink_dcache_tree+0xc0/0x290 [ 48.906168][ T6769] do_one_tree+0x30/0xf4 [ 48.906895][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 48.907794][ T6769] generic_shutdown_super+0x68/0x2b8 [ 48.908588][ T6769] kill_block_super+0x44/0x90 [ 48.909284][ T6769] ext4_kill_sb+0x68/0xa4 [ 48.909960][ T6769] deactivate_locked_super+0xc4/0x12c [ 48.910773][ T6769] deactivate_super+0xe0/0x100 [ 48.911509][ T6769] cleanup_mnt+0x31c/0x3ac [ 48.912193][ T6769] __cleanup_mnt+0x20/0x30 [ 48.912897][ T6769] task_work_run+0x1dc/0x260 [ 48.913630][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 48.914486][ T6769] el0_svc+0x17c/0x26c [ 48.915118][ T6769] el0t_64_sync_handler+0x84/0x12c [ 48.915998][ T6769] el0t_64_sync+0x198/0x19c [ 48.916829][ T6769] irq event stamp: 392002 [ 48.917546][ T6769] hardirqs last enabled at (392001): [] irqentry_exit+0x1b4/0x308 [ 48.919091][ T6769] hardirqs last disabled at (392002): [] el1_brk64+0x20/0x54 [ 48.920650][ T6769] softirqs last enabled at (391716): [] local_bh_enable+0x10/0x34 [ 48.922203][ T6769] softirqs last disabled at (391714): [] local_bh_disable+0x10/0x34 [ 48.923737][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 48.981517][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 48.981616][ T6769] ------------[ cut here ]------------ [ 48.981620][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 48.986529][ T6769] Modules linked in: [ 48.987109][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.988626][ T6769] Tainted: [W]=WARN [ 48.989196][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.990662][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.991835][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.992739][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 48.993676][ T6769] sp : ffff8000a50e7100 [ 48.994274][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c7e300 x27: 0000000000000001 [ 48.995464][ T6769] x26: 0000000000000000 x25: 1fffe0001cd8fc60 x24: ffff0000e6c7e2d8 [ 48.996765][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 48.998047][ T6769] x20: ffff0000c9420068 x19: ffff0000c9420000 x18: 1fffe00033781890 [ 48.999312][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 49.000968][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 49.002168][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 49.003424][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 49.004613][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 49.005946][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.007307][ T6769] Call trace: [ 49.007888][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 49.008927][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 49.009761][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.010724][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.011790][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 49.012695][ T6769] ext4_dirty_inode+0xd4/0x104 [ 49.013427][ T6769] __mark_inode_dirty+0x358/0x15bc [ 49.014161][ T6769] iput+0x36c/0xfdc [ 49.014738][ T6769] dentry_unlink_inode+0x384/0x45c [ 49.015477][ T6769] __dentry_kill+0x170/0x594 [ 49.016175][ T6769] shrink_kill+0xd4/0x2cc [ 49.016772][ T6769] shrink_dentry_list+0x31c/0x6cc [ 49.017520][ T6769] shrink_dcache_tree+0xc0/0x290 [ 49.018292][ T6769] do_one_tree+0x30/0xf4 [ 49.018913][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 49.019733][ T6769] generic_shutdown_super+0x68/0x2b8 [ 49.020555][ T6769] kill_block_super+0x44/0x90 [ 49.021237][ T6769] ext4_kill_sb+0x68/0xa4 [ 49.021835][ T6769] deactivate_locked_super+0xc4/0x12c [ 49.022631][ T6769] deactivate_super+0xe0/0x100 [ 49.023348][ T6769] cleanup_mnt+0x31c/0x3ac [ 49.024051][ T6769] __cleanup_mnt+0x20/0x30 [ 49.024709][ T6769] task_work_run+0x1dc/0x260 [ 49.025374][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 49.026186][ T6769] el0_svc+0x17c/0x26c [ 49.026819][ T6769] el0t_64_sync_handler+0x84/0x12c [ 49.027701][ T6769] el0t_64_sync+0x198/0x19c [ 49.028398][ T6769] irq event stamp: 399290 [ 49.029026][ T6769] hardirqs last enabled at (399289): [] irqentry_exit+0x1b4/0x308 [ 49.030427][ T6769] hardirqs last disabled at (399290): [] el1_brk64+0x20/0x54 [ 49.031768][ T6769] softirqs last enabled at (399020): [] local_bh_enable+0x10/0x34 [ 49.033258][ T6769] softirqs last disabled at (399018): [] local_bh_disable+0x10/0x34 [ 49.034684][ T6769] ---[ end trace 0000000000000000 ]--- [ 49.081507][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 49.083582][ T6769] ------------[ cut here ]------------ [ 49.083591][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 49.086065][ T6769] Modules linked in: [ 49.086627][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.088127][ T6769] Tainted: [W]=WARN [ 49.088679][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.090227][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.091421][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.092420][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.093468][ T6769] sp : ffff8000a50e7100 [ 49.094083][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e06300 x27: 0000000000000001 [ 49.095343][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc0c60 x24: ffff0000e6e062d8 [ 49.096512][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 49.097738][ T6769] x20: ffff0000df764068 x19: ffff0000df764000 x18: 1fffe0003377d090 [ 49.098973][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 49.100253][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 49.101493][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 49.102723][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 49.103967][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 49.105190][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.106446][ T6769] Call trace: [ 49.106934][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 49.107870][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 49.108744][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.109587][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.110454][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 49.111245][ T6769] ext4_dirty_inode+0xd4/0x104 [ 49.112026][ T6769] __mark_inode_dirty+0x358/0x15bc [ 49.112802][ T6769] iput+0x36c/0xfdc [ 49.113379][ T6769] dentry_unlink_inode+0x384/0x45c [ 49.114187][ T6769] __dentry_kill+0x170/0x594 [ 49.114886][ T6769] shrink_kill+0xd4/0x2cc [ 49.115563][ T6769] shrink_dentry_list+0x31c/0x6cc [ 49.116341][ T6769] shrink_dcache_tree+0xc0/0x290 [ 49.117042][ T6769] do_one_tree+0x30/0xf4 [ 49.117679][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 49.118439][ T6769] generic_shutdown_super+0x68/0x2b8 [ 49.119229][ T6769] kill_block_super+0x44/0x90 [ 49.119937][ T6769] ext4_kill_sb+0x68/0xa4 [ 49.120530][ T6769] deactivate_locked_super+0xc4/0x12c [ 49.121391][ T6769] deactivate_super+0xe0/0x100 [ 49.122104][ T6769] cleanup_mnt+0x31c/0x3ac [ 49.122889][ T6769] __cleanup_mnt+0x20/0x30 [ 49.123601][ T6769] task_work_run+0x1dc/0x260 [ 49.124401][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 49.125225][ T6769] el0_svc+0x17c/0x26c [ 49.125871][ T6769] el0t_64_sync_handler+0x84/0x12c [ 49.126600][ T6769] el0t_64_sync+0x198/0x19c [ 49.127235][ T6769] irq event stamp: 406042 [ 49.127866][ T6769] hardirqs last enabled at (406041): [] finish_lock_switch+0xb0/0x1c0 [ 49.129357][ T6769] hardirqs last disabled at (406042): [] el1_brk64+0x20/0x54 [ 49.130715][ T6769] softirqs last enabled at (405344): [] local_bh_enable+0x10/0x34 [ 49.132124][ T6769] softirqs last disabled at (405342): [] local_bh_disable+0x10/0x34 [ 49.133549][ T6769] ---[ end trace 0000000000000000 ]--- [ 49.187534][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 49.189979][ T6769] ------------[ cut here ]------------ [ 49.189987][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 49.192574][ T6769] Modules linked in: [ 49.193231][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.194944][ T6769] Tainted: [W]=WARN [ 49.195550][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.197157][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.198375][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.199456][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.200499][ T6769] sp : ffff8000a50e7100 [ 49.201149][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e07640 x27: 0000000000000001 [ 49.202397][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc0ec8 x24: ffff0000e6e07618 [ 49.203669][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 49.204967][ T6769] x20: ffff0000c930c068 x19: ffff0000c930c000 x18: 1fffe0003377d090 [ 49.206193][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 49.207455][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 49.208691][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 49.209958][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 1970/01/01 00:00:49 executed programs: 43 [ 49.211185][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 49.212390][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.213623][ T6769] Call trace: [ 49.214099][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 49.215045][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 49.215799][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.216648][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.217555][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 49.218416][ T6769] ext4_dirty_inode+0xd4/0x104 [ 49.219125][ T6769] __mark_inode_dirty+0x358/0x15bc [ 49.219876][ T6769] iput+0x36c/0xfdc [ 49.220481][ T6769] dentry_unlink_inode+0x384/0x45c [ 49.221315][ T6769] __dentry_kill+0x170/0x594 [ 49.222019][ T6769] shrink_kill+0xd4/0x2cc [ 49.222669][ T6769] shrink_dentry_list+0x31c/0x6cc [ 49.223400][ T6769] shrink_dcache_tree+0xc0/0x290 [ 49.224143][ T6769] do_one_tree+0x30/0xf4 [ 49.224802][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 49.225683][ T6769] generic_shutdown_super+0x68/0x2b8 [ 49.226467][ T6769] kill_block_super+0x44/0x90 [ 49.227184][ T6769] ext4_kill_sb+0x68/0xa4 [ 49.227862][ T6769] deactivate_locked_super+0xc4/0x12c [ 49.228714][ T6769] deactivate_super+0xe0/0x100 [ 49.229432][ T6769] cleanup_mnt+0x31c/0x3ac [ 49.230133][ T6769] __cleanup_mnt+0x20/0x30 [ 49.230790][ T6769] task_work_run+0x1dc/0x260 [ 49.231478][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 49.232326][ T6769] el0_svc+0x17c/0x26c [ 49.232935][ T6769] el0t_64_sync_handler+0x84/0x12c [ 49.233852][ T6769] el0t_64_sync+0x198/0x19c [ 49.234580][ T6769] irq event stamp: 411598 [ 49.235337][ T6769] hardirqs last enabled at (411597): [] finish_lock_switch+0xb0/0x1c0 [ 49.236931][ T6769] hardirqs last disabled at (411598): [] el1_brk64+0x20/0x54 [ 49.238340][ T6769] softirqs last enabled at (411328): [] local_bh_enable+0x10/0x34 [ 49.239782][ T6769] softirqs last disabled at (411326): [] local_bh_disable+0x10/0x34 [ 49.241395][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 49.284840][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 49.284939][ T6769] ------------[ cut here ]------------ [ 49.284943][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 49.290027][ T6769] Modules linked in: [ 49.290637][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.292297][ T6769] Tainted: [W]=WARN [ 49.292865][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.294433][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.295579][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.296552][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.297482][ T6769] sp : ffff8000a50e7100 [ 49.298103][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c22940 x27: 0000000000000001 [ 49.299308][ T6769] x26: 0000000000000000 x25: 1fffe0001cd84528 x24: ffff0000e6c22918 [ 49.300522][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 49.301821][ T6769] x20: ffff0000ca5de068 x19: ffff0000ca5de000 x18: 1fffe0003377d090 [ 49.303068][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 49.304237][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 49.305515][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 49.306786][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 49.307970][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 49.309156][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.310408][ T6769] Call trace: [ 49.310891][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 49.311791][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 49.312599][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.313471][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.314332][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 49.315259][ T6769] ext4_dirty_inode+0xd4/0x104 [ 49.316052][ T6769] __mark_inode_dirty+0x358/0x15bc [ 49.316803][ T6769] iput+0x36c/0xfdc [ 49.317394][ T6769] dentry_unlink_inode+0x384/0x45c [ 49.318098][ T6769] __dentry_kill+0x170/0x594 [ 49.318781][ T6769] shrink_kill+0xd4/0x2cc [ 49.319424][ T6769] shrink_dentry_list+0x31c/0x6cc [ 49.320150][ T6769] shrink_dcache_tree+0xc0/0x290 [ 49.320889][ T6769] do_one_tree+0x30/0xf4 [ 49.321535][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 49.322394][ T6769] generic_shutdown_super+0x68/0x2b8 [ 49.323225][ T6769] kill_block_super+0x44/0x90 [ 49.323913][ T6769] ext4_kill_sb+0x68/0xa4 [ 49.324594][ T6769] deactivate_locked_super+0xc4/0x12c [ 49.325484][ T6769] deactivate_super+0xe0/0x100 [ 49.326208][ T6769] cleanup_mnt+0x31c/0x3ac [ 49.326880][ T6769] __cleanup_mnt+0x20/0x30 [ 49.327657][ T6769] task_work_run+0x1dc/0x260 [ 49.328378][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 49.329290][ T6769] el0_svc+0x17c/0x26c [ 49.329910][ T6769] el0t_64_sync_handler+0x84/0x12c [ 49.330676][ T6769] el0t_64_sync+0x198/0x19c [ 49.331331][ T6769] irq event stamp: 417090 [ 49.331989][ T6769] hardirqs last enabled at (417089): [] irqentry_exit+0x1b4/0x308 [ 49.333337][ T6769] hardirqs last disabled at (417090): [] el1_brk64+0x20/0x54 [ 49.334627][ T6769] softirqs last enabled at (416810): [] local_bh_enable+0x10/0x34 [ 49.336060][ T6769] softirqs last disabled at (416808): [] local_bh_disable+0x10/0x34 [ 49.337555][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 49.394626][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 49.394721][ T6769] ------------[ cut here ]------------ [ 49.394724][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 49.399821][ T6769] Modules linked in: [ 49.400422][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.402133][ T6769] Tainted: [W]=WARN [ 49.402748][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.404359][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.405753][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.406813][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.407831][ T6769] sp : ffff8000a50e7100 [ 49.408540][ T6769] x29: ffff8000a50e7260 x28: ffff0000e1398c60 x27: 0000000000000001 [ 49.409824][ T6769] x26: 0000000000000000 x25: 1fffe0001c27318c x24: ffff0000e1398c38 [ 49.411168][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 49.412567][ T6769] x20: ffff0000e213e068 x19: ffff0000e213e000 x18: 1fffe0003377d090 [ 49.413993][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 49.415394][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 49.416740][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 49.418052][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 49.419387][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 49.420694][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.422044][ T6769] Call trace: [ 49.422571][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 49.423669][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 49.424504][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.425415][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.426303][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 49.427126][ T6769] ext4_dirty_inode+0xd4/0x104 [ 49.427904][ T6769] __mark_inode_dirty+0x358/0x15bc [ 49.428704][ T6769] iput+0x36c/0xfdc [ 49.429364][ T6769] dentry_unlink_inode+0x384/0x45c [ 49.430159][ T6769] __dentry_kill+0x170/0x594 [ 49.430808][ T6769] shrink_kill+0xd4/0x2cc [ 49.431471][ T6769] shrink_dentry_list+0x31c/0x6cc [ 49.432232][ T6769] shrink_dcache_tree+0xc0/0x290 [ 49.433001][ T6769] do_one_tree+0x30/0xf4 [ 49.433682][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 49.434531][ T6769] generic_shutdown_super+0x68/0x2b8 [ 49.435375][ T6769] kill_block_super+0x44/0x90 [ 49.436083][ T6769] ext4_kill_sb+0x68/0xa4 [ 49.436698][ T6769] deactivate_locked_super+0xc4/0x12c [ 49.437550][ T6769] deactivate_super+0xe0/0x100 [ 49.438291][ T6769] cleanup_mnt+0x31c/0x3ac [ 49.438993][ T6769] __cleanup_mnt+0x20/0x30 [ 49.439680][ T6769] task_work_run+0x1dc/0x260 [ 49.440431][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 49.441214][ T6769] el0_svc+0x17c/0x26c [ 49.441847][ T6769] el0t_64_sync_handler+0x84/0x12c [ 49.442662][ T6769] el0t_64_sync+0x198/0x19c [ 49.443374][ T6769] irq event stamp: 423758 [ 49.444032][ T6769] hardirqs last enabled at (423757): [] irqentry_exit+0x1b4/0x308 [ 49.445458][ T6769] hardirqs last disabled at (423758): [] el1_brk64+0x20/0x54 [ 49.446899][ T6769] softirqs last enabled at (423482): [] local_bh_enable+0x10/0x34 [ 49.448351][ T6769] softirqs last disabled at (423480): [] local_bh_disable+0x10/0x34 [ 49.449884][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 49.491658][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 49.491751][ T6769] ------------[ cut here ]------------ [ 49.491755][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 49.496787][ T6769] Modules linked in: [ 49.497374][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.498925][ T6769] Tainted: [W]=WARN [ 49.499481][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.501062][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.502235][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.503131][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.504077][ T6769] sp : ffff8000a50e7100 [ 49.504707][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e09600 x27: 0000000000000001 [ 49.505963][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc12c0 x24: ffff0000e6e095d8 [ 49.507163][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 49.508388][ T6769] x20: ffff0000c9ae2068 x19: ffff0000c9ae2000 x18: 1fffe0003377d090 [ 49.509669][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 49.510973][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 49.512201][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 49.513367][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 49.514541][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 49.515824][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.516962][ T6769] Call trace: [ 49.517452][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 49.518440][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 49.519226][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.520117][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.520982][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 49.521837][ T6769] ext4_dirty_inode+0xd4/0x104 [ 49.522580][ T6769] __mark_inode_dirty+0x358/0x15bc [ 49.523272][ T6769] iput+0x36c/0xfdc [ 49.523817][ T6769] dentry_unlink_inode+0x384/0x45c [ 49.524606][ T6769] __dentry_kill+0x170/0x594 [ 49.525349][ T6769] shrink_kill+0xd4/0x2cc [ 49.526006][ T6769] shrink_dentry_list+0x31c/0x6cc [ 49.526814][ T6769] shrink_dcache_tree+0xc0/0x290 [ 49.527598][ T6769] do_one_tree+0x30/0xf4 [ 49.528212][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 49.529055][ T6769] generic_shutdown_super+0x68/0x2b8 [ 49.529865][ T6769] kill_block_super+0x44/0x90 [ 49.530587][ T6769] ext4_kill_sb+0x68/0xa4 [ 49.531250][ T6769] deactivate_locked_super+0xc4/0x12c [ 49.532062][ T6769] deactivate_super+0xe0/0x100 [ 49.532821][ T6769] cleanup_mnt+0x31c/0x3ac [ 49.533469][ T6769] __cleanup_mnt+0x20/0x30 [ 49.534141][ T6769] task_work_run+0x1dc/0x260 [ 49.534866][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 49.535714][ T6769] el0_svc+0x17c/0x26c [ 49.536306][ T6769] el0t_64_sync_handler+0x84/0x12c [ 49.537039][ T6769] el0t_64_sync+0x198/0x19c [ 49.537717][ T6769] irq event stamp: 430318 [ 49.538429][ T6769] hardirqs last enabled at (430317): [] irqentry_exit+0x1b4/0x308 [ 49.539912][ T6769] hardirqs last disabled at (430318): [] el1_brk64+0x20/0x54 [ 49.541148][ T6769] softirqs last enabled at (429568): [] local_bh_enable+0x10/0x34 [ 49.542543][ T6769] softirqs last disabled at (429566): [] local_bh_disable+0x10/0x34 [ 49.543978][ T6769] ---[ end trace 0000000000000000 ]--- [ 49.612844][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 49.614866][ T6769] ------------[ cut here ]------------ [ 49.614873][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 49.617422][ T6769] Modules linked in: [ 49.618016][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.619676][ T6769] Tainted: [W]=WARN [ 49.620237][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.621738][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.622963][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.623979][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.624985][ T6769] sp : ffff8000a50e7100 [ 49.625658][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e19fa0 x27: 0000000000000001 [ 49.626908][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc33f4 x24: ffff0000e6e19f78 [ 49.628148][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 49.629406][ T6769] x20: ffff0000c82ca068 x19: ffff0000c82ca000 x18: 1fffe00033781890 [ 49.630691][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 49.631911][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 49.633109][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 49.634400][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 49.635670][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 49.636971][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.638239][ T6769] Call trace: [ 49.638807][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 49.639834][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 49.640672][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.641620][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.642504][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 49.643384][ T6769] ext4_dirty_inode+0xd4/0x104 [ 49.644071][ T6769] __mark_inode_dirty+0x358/0x15bc [ 49.644871][ T6769] iput+0x36c/0xfdc [ 49.645447][ T6769] dentry_unlink_inode+0x384/0x45c [ 49.646245][ T6769] __dentry_kill+0x170/0x594 [ 49.646920][ T6769] shrink_kill+0xd4/0x2cc [ 49.647643][ T6769] shrink_dentry_list+0x31c/0x6cc [ 49.648409][ T6769] shrink_dcache_tree+0xc0/0x290 [ 49.649145][ T6769] do_one_tree+0x30/0xf4 [ 49.649802][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 49.650626][ T6769] generic_shutdown_super+0x68/0x2b8 [ 49.651492][ T6769] kill_block_super+0x44/0x90 [ 49.652166][ T6769] ext4_kill_sb+0x68/0xa4 [ 49.652850][ T6769] deactivate_locked_super+0xc4/0x12c [ 49.653636][ T6769] deactivate_super+0xe0/0x100 [ 49.654310][ T6769] cleanup_mnt+0x31c/0x3ac [ 49.654982][ T6769] __cleanup_mnt+0x20/0x30 [ 49.655652][ T6769] task_work_run+0x1dc/0x260 [ 49.656296][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 49.657113][ T6769] el0_svc+0x17c/0x26c [ 49.657689][ T6769] el0t_64_sync_handler+0x84/0x12c [ 49.658427][ T6769] el0t_64_sync+0x198/0x19c [ 49.659084][ T6769] irq event stamp: 436262 [ 49.659703][ T6769] hardirqs last enabled at (436261): [] finish_lock_switch+0xb0/0x1c0 [ 49.661137][ T6769] hardirqs last disabled at (436262): [] el1_brk64+0x20/0x54 [ 49.662482][ T6769] softirqs last enabled at (435956): [] local_bh_enable+0x10/0x34 [ 49.663916][ T6769] softirqs last disabled at (435954): [] local_bh_disable+0x10/0x34 [ 49.665308][ T6769] ---[ end trace 0000000000000000 ]--- [ 49.713991][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 49.715994][ T6769] ------------[ cut here ]------------ [ 49.716001][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 49.718559][ T6769] Modules linked in: [ 49.719139][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.720786][ T6769] Tainted: [W]=WARN [ 49.721392][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.722920][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.724089][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.725016][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.726024][ T6769] sp : ffff8000a50e7100 [ 49.726673][ T6769] x29: ffff8000a50e7260 x28: ffff0000e13932e0 x27: 0000000000000001 [ 49.727889][ T6769] x26: 0000000000000000 x25: 1fffe0001c27265c x24: ffff0000e13932b8 [ 49.729124][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 49.730455][ T6769] x20: ffff0000ddc40068 x19: ffff0000ddc40000 x18: 1fffe00033781890 [ 49.731719][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 49.732994][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 49.734224][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 49.735445][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 49.736775][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 49.737967][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.739166][ T6769] Call trace: [ 49.739664][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 49.740586][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 49.741340][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.742222][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.743013][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 49.743766][ T6769] ext4_dirty_inode+0xd4/0x104 [ 49.744412][ T6769] __mark_inode_dirty+0x358/0x15bc [ 49.745163][ T6769] iput+0x36c/0xfdc [ 49.745750][ T6769] dentry_unlink_inode+0x384/0x45c [ 49.746542][ T6769] __dentry_kill+0x170/0x594 [ 49.747259][ T6769] shrink_kill+0xd4/0x2cc [ 49.747945][ T6769] shrink_dentry_list+0x31c/0x6cc [ 49.748757][ T6769] shrink_dcache_tree+0xc0/0x290 [ 49.749539][ T6769] do_one_tree+0x30/0xf4 [ 49.750172][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 49.751007][ T6769] generic_shutdown_super+0x68/0x2b8 [ 49.751847][ T6769] kill_block_super+0x44/0x90 [ 49.752568][ T6769] ext4_kill_sb+0x68/0xa4 [ 49.753229][ T6769] deactivate_locked_super+0xc4/0x12c [ 49.754030][ T6769] deactivate_super+0xe0/0x100 [ 49.754768][ T6769] cleanup_mnt+0x31c/0x3ac [ 49.755502][ T6769] __cleanup_mnt+0x20/0x30 [ 49.756178][ T6769] task_work_run+0x1dc/0x260 [ 49.756784][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 49.757571][ T6769] el0_svc+0x17c/0x26c [ 49.758124][ T6769] el0t_64_sync_handler+0x84/0x12c [ 49.758889][ T6769] el0t_64_sync+0x198/0x19c [ 49.759556][ T6769] irq event stamp: 442276 [ 49.760154][ T6769] hardirqs last enabled at (442275): [] finish_lock_switch+0xb0/0x1c0 [ 49.761540][ T6769] hardirqs last disabled at (442276): [] el1_brk64+0x20/0x54 [ 49.762925][ T6769] softirqs last enabled at (442186): [] local_bh_enable+0x10/0x34 [ 49.764249][ T6769] softirqs last disabled at (442184): [] local_bh_disable+0x10/0x34 [ 49.765621][ T6769] ---[ end trace 0000000000000000 ]--- [ 49.789056][ T7152] set_capacity_and_notify: 37 callbacks suppressed [ 49.789261][ T7152] loop0: detected capacity change from 0 to 1024 [ 49.811606][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 49.813656][ T6769] ------------[ cut here ]------------ [ 49.813664][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 49.816082][ T6769] Modules linked in: [ 49.816703][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.818260][ T6769] Tainted: [W]=WARN [ 49.818855][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.820089][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.821212][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.822265][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.823317][ T6769] sp : ffff8000a50e7100 [ 49.823926][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6da02c0 x27: 0000000000000001 [ 49.825275][ T6769] x26: 0000000000000000 x25: 1fffe0001cdb4058 x24: ffff0000e6da0298 [ 49.826640][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 49.827929][ T6769] x20: ffff0000cd03c068 x19: ffff0000cd03c000 x18: 1fffe00033781890 [ 49.829157][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 49.830432][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 49.831725][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 49.832995][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 49.834196][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 49.835395][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.836642][ T6769] Call trace: [ 49.837126][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 49.838118][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 49.838920][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.839763][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.840600][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 49.841546][ T6769] ext4_dirty_inode+0xd4/0x104 [ 49.842399][ T6769] __mark_inode_dirty+0x358/0x15bc [ 49.843265][ T6769] iput+0x36c/0xfdc [ 49.843922][ T6769] dentry_unlink_inode+0x384/0x45c [ 49.844793][ T6769] __dentry_kill+0x170/0x594 [ 49.845555][ T6769] shrink_kill+0xd4/0x2cc [ 49.846255][ T6769] shrink_dentry_list+0x31c/0x6cc [ 49.847070][ T6769] shrink_dcache_tree+0xc0/0x290 [ 49.847889][ T6769] do_one_tree+0x30/0xf4 [ 49.848555][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 49.849464][ T6769] generic_shutdown_super+0x68/0x2b8 [ 49.850313][ T6769] kill_block_super+0x44/0x90 [ 49.851018][ T6769] ext4_kill_sb+0x68/0xa4 [ 49.851718][ T6769] deactivate_locked_super+0xc4/0x12c [ 49.852541][ T6769] deactivate_super+0xe0/0x100 [ 49.853235][ T6769] cleanup_mnt+0x31c/0x3ac [ 49.853881][ T6769] __cleanup_mnt+0x20/0x30 [ 49.854490][ T6769] task_work_run+0x1dc/0x260 [ 49.855170][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 49.856001][ T6769] el0_svc+0x17c/0x26c [ 49.856615][ T6769] el0t_64_sync_handler+0x84/0x12c [ 49.857315][ T6769] el0t_64_sync+0x198/0x19c [ 49.857931][ T6769] irq event stamp: 448188 [ 49.858678][ T6769] hardirqs last enabled at (448187): [] finish_lock_switch+0xb0/0x1c0 [ 49.860164][ T6769] hardirqs last disabled at (448188): [] el1_brk64+0x20/0x54 [ 49.861453][ T6769] softirqs last enabled at (448006): [] local_bh_enable+0x10/0x34 [ 49.862845][ T6769] softirqs last disabled at (448004): [] local_bh_disable+0x10/0x34 [ 49.864247][ T6769] ---[ end trace 0000000000000000 ]--- [ 49.879604][ T7157] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 49.906279][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 49.906380][ T6769] ------------[ cut here ]------------ [ 49.906384][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 49.911408][ T6769] Modules linked in: [ 49.912069][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.913748][ T6769] Tainted: [W]=WARN [ 49.914356][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.915943][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.917145][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.918142][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 49.919122][ T6769] sp : ffff8000a50e7100 [ 49.919702][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e20c60 x27: 0000000000000001 [ 49.920946][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc418c x24: ffff0000e6e20c38 [ 49.922185][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 49.923387][ T6769] x20: ffff0000d5e1c068 x19: ffff0000d5e1c000 x18: 1fffe0003377d090 [ 49.924609][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 49.925840][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 49.927064][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 49.928362][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 49.929687][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 49.930980][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.932267][ T6769] Call trace: [ 49.932700][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 49.933710][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 49.934471][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 49.935316][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.936209][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 49.937054][ T6769] ext4_dirty_inode+0xd4/0x104 [ 49.937778][ T6769] __mark_inode_dirty+0x358/0x15bc [ 49.938553][ T6769] iput+0x36c/0xfdc [ 49.939101][ T6769] dentry_unlink_inode+0x384/0x45c [ 49.939896][ T6769] __dentry_kill+0x170/0x594 [ 49.940628][ T6769] shrink_kill+0xd4/0x2cc [ 49.941261][ T6769] shrink_dentry_list+0x31c/0x6cc [ 49.942061][ T6769] shrink_dcache_tree+0xc0/0x290 [ 49.942818][ T6769] do_one_tree+0x30/0xf4 [ 49.943466][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 49.944317][ T6769] generic_shutdown_super+0x68/0x2b8 [ 49.945152][ T6769] kill_block_super+0x44/0x90 [ 49.945845][ T6769] ext4_kill_sb+0x68/0xa4 [ 49.946474][ T6769] deactivate_locked_super+0xc4/0x12c [ 49.947243][ T6769] deactivate_super+0xe0/0x100 [ 49.947928][ T6769] cleanup_mnt+0x31c/0x3ac [ 49.948529][ T6769] __cleanup_mnt+0x20/0x30 [ 49.949246][ T6769] task_work_run+0x1dc/0x260 [ 49.949998][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 49.950790][ T6769] el0_svc+0x17c/0x26c [ 49.951400][ T6769] el0t_64_sync_handler+0x84/0x12c [ 49.952166][ T6769] el0t_64_sync+0x198/0x19c [ 49.952821][ T6769] irq event stamp: 454230 [ 49.953491][ T6769] hardirqs last enabled at (454229): [] irqentry_exit+0x1b4/0x308 [ 49.954964][ T6769] hardirqs last disabled at (454230): [] el1_brk64+0x20/0x54 [ 49.956395][ T6769] softirqs last enabled at (453954): [] local_bh_enable+0x10/0x34 [ 49.957816][ T6769] softirqs last disabled at (453952): [] local_bh_disable+0x10/0x34 [ 49.959225][ T6769] ---[ end trace 0000000000000000 ]--- [ 49.979811][ T7161] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 50.016128][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 50.016223][ T6769] ------------[ cut here ]------------ [ 50.016227][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 50.021348][ T6769] Modules linked in: [ 50.022028][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.023743][ T6769] Tainted: [W]=WARN [ 50.024306][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.025917][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.027148][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.028107][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.029219][ T6769] sp : ffff8000a50e7100 [ 50.029852][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6d9d960 x27: 0000000000000001 [ 50.031115][ T6769] x26: 0000000000000000 x25: 1fffe0001cdb3b2c x24: ffff0000e6d9d938 [ 50.032460][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 50.033672][ T6769] x20: ffff0000c3384068 x19: ffff0000c3384000 x18: 1fffe0003377d090 [ 50.034911][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 50.036283][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 50.037608][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 50.038766][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 50.040016][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 50.041208][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.042542][ T6769] Call trace: [ 50.043037][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 50.043982][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 50.044843][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.045735][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.046591][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 50.047434][ T6769] ext4_dirty_inode+0xd4/0x104 [ 50.048133][ T6769] __mark_inode_dirty+0x358/0x15bc [ 50.048951][ T6769] iput+0x36c/0xfdc [ 50.049504][ T6769] dentry_unlink_inode+0x384/0x45c [ 50.050301][ T6769] __dentry_kill+0x170/0x594 [ 50.050995][ T6769] shrink_kill+0xd4/0x2cc [ 50.051658][ T6769] shrink_dentry_list+0x31c/0x6cc [ 50.052489][ T6769] shrink_dcache_tree+0xc0/0x290 [ 50.053321][ T6769] do_one_tree+0x30/0xf4 [ 50.054056][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 50.054926][ T6769] generic_shutdown_super+0x68/0x2b8 [ 50.055746][ T6769] kill_block_super+0x44/0x90 [ 50.056437][ T6769] ext4_kill_sb+0x68/0xa4 [ 50.057101][ T6769] deactivate_locked_super+0xc4/0x12c [ 50.057904][ T6769] deactivate_super+0xe0/0x100 [ 50.058650][ T6769] cleanup_mnt+0x31c/0x3ac [ 50.059315][ T6769] __cleanup_mnt+0x20/0x30 [ 50.059942][ T6769] task_work_run+0x1dc/0x260 [ 50.060618][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 50.061416][ T6769] el0_svc+0x17c/0x26c [ 50.062026][ T6769] el0t_64_sync_handler+0x84/0x12c [ 50.062821][ T6769] el0t_64_sync+0x198/0x19c [ 50.063502][ T6769] irq event stamp: 460414 [ 50.064135][ T6769] hardirqs last enabled at (460413): [] irqentry_exit+0x1b4/0x308 [ 50.065619][ T6769] hardirqs last disabled at (460414): [] el1_brk64+0x20/0x54 [ 50.067073][ T6769] softirqs last enabled at (460122): [] local_bh_enable+0x10/0x34 [ 50.068577][ T6769] softirqs last disabled at (460120): [] local_bh_disable+0x10/0x34 [ 50.070018][ T6769] ---[ end trace 0000000000000000 ]--- [ 50.100322][ T7165] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 50.114698][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 50.114791][ T6769] ------------[ cut here ]------------ [ 50.114795][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 50.119769][ T6769] Modules linked in: [ 50.120352][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.122014][ T6769] Tainted: [W]=WARN [ 50.122635][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.124261][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.125556][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.126616][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.127651][ T6769] sp : ffff8000a50e7100 [ 50.128295][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c47640 x27: 0000000000000001 [ 50.129626][ T6769] x26: 0000000000000000 x25: 1fffe0001cd88ec8 x24: ffff0000e6c47618 [ 50.130843][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 50.132127][ T6769] x20: ffff0000e0818068 x19: ffff0000e0818000 x18: 1fffe0003377d090 [ 50.133362][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 50.134611][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 50.135868][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 50.137118][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 50.138382][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 50.139669][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.140960][ T6769] Call trace: [ 50.141478][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 50.142553][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 50.143406][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.144334][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.145147][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 50.145996][ T6769] ext4_dirty_inode+0xd4/0x104 [ 50.146712][ T6769] __mark_inode_dirty+0x358/0x15bc [ 50.147437][ T6769] iput+0x36c/0xfdc [ 50.147978][ T6769] dentry_unlink_inode+0x384/0x45c [ 50.148714][ T6769] __dentry_kill+0x170/0x594 [ 50.149446][ T6769] shrink_kill+0xd4/0x2cc [ 50.150134][ T6769] shrink_dentry_list+0x31c/0x6cc [ 50.150889][ T6769] shrink_dcache_tree+0xc0/0x290 [ 50.151584][ T6769] do_one_tree+0x30/0xf4 [ 50.152237][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 50.153036][ T6769] generic_shutdown_super+0x68/0x2b8 [ 50.153837][ T6769] kill_block_super+0x44/0x90 [ 50.154584][ T6769] ext4_kill_sb+0x68/0xa4 [ 50.155190][ T6769] deactivate_locked_super+0xc4/0x12c [ 50.156054][ T6769] deactivate_super+0xe0/0x100 [ 50.156740][ T6769] cleanup_mnt+0x31c/0x3ac [ 50.157390][ T6769] __cleanup_mnt+0x20/0x30 [ 50.158108][ T6769] task_work_run+0x1dc/0x260 [ 50.158801][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 50.159548][ T6769] el0_svc+0x17c/0x26c [ 50.160170][ T6769] el0t_64_sync_handler+0x84/0x12c [ 50.160921][ T6769] el0t_64_sync+0x198/0x19c [ 50.161596][ T6769] irq event stamp: 466904 [ 50.162248][ T6769] hardirqs last enabled at (466903): [] irqentry_exit+0x1b4/0x308 [ 50.163637][ T6769] hardirqs last disabled at (466904): [] el1_brk64+0x20/0x54 [ 50.165002][ T6769] softirqs last enabled at (466636): [] local_bh_enable+0x10/0x34 [ 50.166392][ T6769] softirqs last disabled at (466634): [] local_bh_disable+0x10/0x34 [ 50.167824][ T6769] ---[ end trace 0000000000000000 ]--- [ 50.184745][ T7169] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 50.219464][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 50.219564][ T6769] ------------[ cut here ]------------ [ 50.219568][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 50.224497][ T6769] Modules linked in: [ 50.225055][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.226687][ T6769] Tainted: [W]=WARN [ 50.227268][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.228779][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.229880][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.230842][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.231780][ T6769] sp : ffff8000a50e7100 [ 50.232397][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e26300 x27: 0000000000000001 [ 50.233623][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc4c60 x24: ffff0000e6e262d8 [ 50.234804][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 50.236056][ T6769] x20: ffff0000d1aac068 x19: ffff0000d1aac000 x18: 1fffe0003377d090 [ 50.237287][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 50.238535][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 50.239965][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 50.241259][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 50.242463][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 50.243684][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.244905][ T6769] Call trace: [ 50.245409][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 50.246465][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 50.247278][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.248136][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.249029][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 50.249850][ T6769] ext4_dirty_inode+0xd4/0x104 [ 50.250659][ T6769] __mark_inode_dirty+0x358/0x15bc [ 50.251412][ T6769] iput+0x36c/0xfdc [ 50.251954][ T6769] dentry_unlink_inode+0x384/0x45c [ 50.252733][ T6769] __dentry_kill+0x170/0x594 [ 50.253370][ T6769] shrink_kill+0xd4/0x2cc [ 50.254049][ T6769] shrink_dentry_list+0x31c/0x6cc [ 50.254805][ T6769] shrink_dcache_tree+0xc0/0x290 [ 50.255532][ T6769] do_one_tree+0x30/0xf4 [ 50.256165][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 50.256960][ T6769] generic_shutdown_super+0x68/0x2b8 [ 50.257759][ T6769] kill_block_super+0x44/0x90 [ 50.258507][ T6769] ext4_kill_sb+0x68/0xa4 [ 50.259246][ T6769] deactivate_locked_super+0xc4/0x12c [ 50.260072][ T6769] deactivate_super+0xe0/0x100 [ 50.260848][ T6769] cleanup_mnt+0x31c/0x3ac [ 50.261593][ T6769] __cleanup_mnt+0x20/0x30 [ 50.262291][ T6769] task_work_run+0x1dc/0x260 [ 50.262972][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 50.263787][ T6769] el0_svc+0x17c/0x26c [ 50.264369][ T6769] el0t_64_sync_handler+0x84/0x12c [ 50.265150][ T6769] el0t_64_sync+0x198/0x19c [ 50.265874][ T6769] irq event stamp: 472822 [ 50.266516][ T6769] hardirqs last enabled at (472821): [] irqentry_exit+0x1b4/0x308 [ 50.267882][ T6769] hardirqs last disabled at (472822): [] el1_brk64+0x20/0x54 [ 50.269176][ T6769] softirqs last enabled at (472550): [] local_bh_enable+0x10/0x34 [ 50.270607][ T6769] softirqs last disabled at (472548): [] local_bh_disable+0x10/0x34 [ 50.272039][ T6769] ---[ end trace 0000000000000000 ]--- [ 50.292617][ T7173] loop0: detected capacity change from 0 to 1024 [ 50.312594][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 50.314636][ T6769] ------------[ cut here ]------------ [ 50.314644][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 50.317204][ T6769] Modules linked in: [ 50.317798][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.319485][ T6769] Tainted: [W]=WARN [ 50.320043][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.321491][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.322665][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.323601][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.324606][ T6769] sp : ffff8000a50e7100 [ 50.325283][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6da3c80 x27: 0000000000000001 [ 50.326509][ T6769] x26: 0000000000000000 x25: 1fffe0001cdb4790 x24: ffff0000e6da3c58 [ 50.327774][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 50.328954][ T6769] x20: ffff0000d3928068 x19: ffff0000d3928000 x18: 1fffe00033781890 [ 50.330104][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 50.331340][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 50.332609][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 50.333793][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 50.334955][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 50.336109][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.337318][ T6769] Call trace: [ 50.337804][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 50.338788][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 50.339546][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.340392][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.341183][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 50.342072][ T6769] ext4_dirty_inode+0xd4/0x104 [ 50.342963][ T6769] __mark_inode_dirty+0x358/0x15bc [ 50.343823][ T6769] iput+0x36c/0xfdc [ 50.344418][ T6769] dentry_unlink_inode+0x384/0x45c [ 50.345339][ T6769] __dentry_kill+0x170/0x594 [ 50.346095][ T6769] shrink_kill+0xd4/0x2cc [ 50.346766][ T6769] shrink_dentry_list+0x31c/0x6cc [ 50.347612][ T6769] shrink_dcache_tree+0xc0/0x290 [ 50.348367][ T6769] do_one_tree+0x30/0xf4 [ 50.348985][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 50.349798][ T6769] generic_shutdown_super+0x68/0x2b8 [ 50.350614][ T6769] kill_block_super+0x44/0x90 [ 50.351316][ T6769] ext4_kill_sb+0x68/0xa4 [ 50.351970][ T6769] deactivate_locked_super+0xc4/0x12c [ 50.352794][ T6769] deactivate_super+0xe0/0x100 [ 50.353469][ T6769] cleanup_mnt+0x31c/0x3ac [ 50.354147][ T6769] __cleanup_mnt+0x20/0x30 [ 50.354775][ T6769] task_work_run+0x1dc/0x260 [ 50.355462][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 50.356259][ T6769] el0_svc+0x17c/0x26c [ 50.356799][ T6769] el0t_64_sync_handler+0x84/0x12c [ 50.357547][ T6769] el0t_64_sync+0x198/0x19c [ 50.358245][ T6769] irq event stamp: 479004 [ 50.358885][ T6769] hardirqs last enabled at (479003): [] finish_lock_switch+0xb0/0x1c0 [ 50.359386][ T54] Bluetooth: hci0: command tx timeout [ 50.361125][ T6769] hardirqs last disabled at (479004): [] el1_brk64+0x20/0x54 [ 50.362634][ T6769] softirqs last enabled at (478730): [] local_bh_enable+0x10/0x34 [ 50.364036][ T6769] softirqs last disabled at (478728): [] local_bh_disable+0x10/0x34 [ 50.365472][ T6769] ---[ end trace 0000000000000000 ]--- [ 50.397212][ T7177] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 50.421598][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 50.421702][ T6769] ------------[ cut here ]------------ [ 50.421707][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 50.426627][ T6769] Modules linked in: [ 50.427315][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.428882][ T6769] Tainted: [W]=WARN [ 50.429473][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.431010][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.432141][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.433072][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.434047][ T6769] sp : ffff8000a50e7100 [ 50.434704][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e79600 x27: 0000000000000001 [ 50.435981][ T6769] x26: 0000000000000000 x25: 1fffe0001cdcf2c0 x24: ffff0000e6e795d8 [ 50.437269][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 50.438512][ T6769] x20: ffff0000d10ca068 x19: ffff0000d10ca000 x18: 1fffe0003377d090 [ 50.439834][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 50.441025][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 50.442335][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 50.443583][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 50.444739][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 50.445978][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.447215][ T6769] Call trace: [ 50.447656][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 50.448651][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 50.449590][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.450579][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.451584][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 50.452463][ T6769] ext4_dirty_inode+0xd4/0x104 [ 50.453216][ T6769] __mark_inode_dirty+0x358/0x15bc [ 50.454052][ T6769] iput+0x36c/0xfdc [ 50.454634][ T6769] dentry_unlink_inode+0x384/0x45c [ 50.455429][ T6769] __dentry_kill+0x170/0x594 [ 50.456143][ T6769] shrink_kill+0xd4/0x2cc [ 50.456847][ T6769] shrink_dentry_list+0x31c/0x6cc [ 50.457595][ T6769] shrink_dcache_tree+0xc0/0x290 [ 50.458349][ T6769] do_one_tree+0x30/0xf4 [ 50.458979][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 50.459765][ T6769] generic_shutdown_super+0x68/0x2b8 [ 50.460722][ T6769] kill_block_super+0x44/0x90 [ 50.461470][ T6769] ext4_kill_sb+0x68/0xa4 [ 50.462125][ T6769] deactivate_locked_super+0xc4/0x12c [ 50.462951][ T6769] deactivate_super+0xe0/0x100 [ 50.463749][ T6769] cleanup_mnt+0x31c/0x3ac [ 50.464452][ T6769] __cleanup_mnt+0x20/0x30 [ 50.465097][ T6769] task_work_run+0x1dc/0x260 [ 50.465824][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 50.466637][ T6769] el0_svc+0x17c/0x26c [ 50.467232][ T6769] el0t_64_sync_handler+0x84/0x12c [ 50.468160][ T6769] el0t_64_sync+0x198/0x19c [ 50.468919][ T6769] irq event stamp: 486744 [ 50.469658][ T6769] hardirqs last enabled at (486743): [] irqentry_exit+0x1b4/0x308 [ 50.471169][ T6769] hardirqs last disabled at (486744): [] el1_brk64+0x20/0x54 [ 50.472554][ T6769] softirqs last enabled at (486442): [] handle_softirqs+0xaf8/0xc88 [ 50.474007][ T6769] softirqs last disabled at (485307): [] __do_softirq+0x14/0x20 [ 50.475506][ T6769] ---[ end trace 0000000000000000 ]--- [ 50.499084][ T7181] loop0: detected capacity change from 0 to 1024 [ 50.525573][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 50.527648][ T6769] ------------[ cut here ]------------ [ 50.527655][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 50.530255][ T6769] Modules linked in: [ 50.530853][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.532619][ T6769] Tainted: [W]=WARN [ 50.533237][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.534839][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.536117][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.537158][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.538124][ T6769] sp : ffff8000a50e7100 [ 50.538747][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e7eca0 x27: 0000000000000001 [ 50.539979][ T6769] x26: 0000000000000000 x25: 1fffe0001cdcfd94 x24: ffff0000e6e7ec78 [ 50.541344][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 50.542608][ T6769] x20: ffff0000d0a28068 x19: ffff0000d0a28000 x18: 1fffe0003377d090 [ 50.543792][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 50.544945][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 50.546158][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 50.547400][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 50.548568][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 50.549812][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.551011][ T6769] Call trace: [ 50.551603][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 50.552570][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 50.553400][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.554299][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.555211][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 50.556105][ T6769] ext4_dirty_inode+0xd4/0x104 [ 50.556828][ T6769] __mark_inode_dirty+0x358/0x15bc [ 50.557660][ T6769] iput+0x36c/0xfdc [ 50.558277][ T6769] dentry_unlink_inode+0x384/0x45c [ 50.559111][ T6769] __dentry_kill+0x170/0x594 [ 50.559793][ T6769] shrink_kill+0xd4/0x2cc [ 50.560516][ T6769] shrink_dentry_list+0x31c/0x6cc [ 50.561309][ T6769] shrink_dcache_tree+0xc0/0x290 [ 50.562061][ T6769] do_one_tree+0x30/0xf4 [ 50.562734][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 50.563558][ T6769] generic_shutdown_super+0x68/0x2b8 [ 50.564445][ T6769] kill_block_super+0x44/0x90 [ 50.565184][ T6769] ext4_kill_sb+0x68/0xa4 [ 50.565808][ T6769] deactivate_locked_super+0xc4/0x12c [ 50.566612][ T6769] deactivate_super+0xe0/0x100 [ 50.567338][ T6769] cleanup_mnt+0x31c/0x3ac [ 50.567988][ T6769] __cleanup_mnt+0x20/0x30 [ 50.568672][ T6769] task_work_run+0x1dc/0x260 [ 50.569368][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 50.570198][ T6769] el0_svc+0x17c/0x26c [ 50.570804][ T6769] el0t_64_sync_handler+0x84/0x12c [ 50.571579][ T6769] el0t_64_sync+0x198/0x19c [ 50.572349][ T6769] irq event stamp: 492884 [ 50.572967][ T6769] hardirqs last enabled at (492883): [] finish_lock_switch+0xb0/0x1c0 [ 50.574479][ T6769] hardirqs last disabled at (492884): [] el1_brk64+0x20/0x54 [ 50.575849][ T6769] softirqs last enabled at (492608): [] local_bh_enable+0x10/0x34 [ 50.577309][ T6769] softirqs last disabled at (492606): [] local_bh_disable+0x10/0x34 [ 50.578761][ T6769] ---[ end trace 0000000000000000 ]--- [ 50.593496][ T7185] loop0: detected capacity change from 0 to 1024 [ 50.616226][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 50.618141][ T6769] ------------[ cut here ]------------ [ 50.618148][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 50.620762][ T6769] Modules linked in: [ 50.621368][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.623092][ T6769] Tainted: [W]=WARN [ 50.623709][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.625390][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.626668][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.627732][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.628807][ T6769] sp : ffff8000a50e7100 [ 50.629449][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e17640 x27: 0000000000000001 [ 50.630727][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc2ec8 x24: ffff0000e6e17618 [ 50.631965][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 50.633179][ T6769] x20: ffff0000cb232068 x19: ffff0000cb232000 x18: 1fffe0003377d090 [ 50.634461][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 50.635682][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 50.636999][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 50.638260][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 50.639554][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 50.640823][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.642070][ T6769] Call trace: [ 50.642612][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 50.643641][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 50.644494][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.645349][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.646211][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 50.647092][ T6769] ext4_dirty_inode+0xd4/0x104 [ 50.647820][ T6769] __mark_inode_dirty+0x358/0x15bc [ 50.648565][ T6769] iput+0x36c/0xfdc [ 50.649210][ T6769] dentry_unlink_inode+0x384/0x45c [ 50.649942][ T6769] __dentry_kill+0x170/0x594 [ 50.650681][ T6769] shrink_kill+0xd4/0x2cc [ 50.651302][ T6769] shrink_dentry_list+0x31c/0x6cc [ 50.652048][ T6769] shrink_dcache_tree+0xc0/0x290 [ 50.652816][ T6769] do_one_tree+0x30/0xf4 [ 50.653462][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 50.654241][ T6769] generic_shutdown_super+0x68/0x2b8 [ 50.655009][ T6769] kill_block_super+0x44/0x90 [ 50.655806][ T6769] ext4_kill_sb+0x68/0xa4 [ 50.656516][ T6769] deactivate_locked_super+0xc4/0x12c [ 50.657411][ T6769] deactivate_super+0xe0/0x100 [ 50.658197][ T6769] cleanup_mnt+0x31c/0x3ac [ 50.658925][ T6769] __cleanup_mnt+0x20/0x30 [ 50.659629][ T6769] task_work_run+0x1dc/0x260 [ 50.660323][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 50.661184][ T6769] el0_svc+0x17c/0x26c [ 50.661821][ T6769] el0t_64_sync_handler+0x84/0x12c [ 50.662619][ T6769] el0t_64_sync+0x198/0x19c [ 50.663376][ T6769] irq event stamp: 498550 [ 50.664062][ T6769] hardirqs last enabled at (498549): [] finish_lock_switch+0xb0/0x1c0 [ 50.665547][ T6769] hardirqs last disabled at (498550): [] el1_brk64+0x20/0x54 [ 50.666898][ T6769] softirqs last enabled at (498470): [] local_bh_enable+0x10/0x34 [ 50.668318][ T6769] softirqs last disabled at (498468): [] local_bh_disable+0x10/0x34 [ 50.669769][ T6769] ---[ end trace 0000000000000000 ]--- [ 50.685179][ T7189] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 50.699760][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 50.699860][ T6769] ------------[ cut here ]------------ [ 50.699864][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 50.704913][ T6769] Modules linked in: [ 50.705455][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.706880][ T6769] Tainted: [W]=WARN [ 50.707409][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.708879][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.709962][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.710890][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.711807][ T6769] sp : ffff8000a50e7100 [ 50.712381][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e32940 x27: 0000000000000001 [ 50.713579][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc6528 x24: ffff0000e6e32918 [ 50.714722][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 50.715931][ T6769] x20: ffff0000c259e068 x19: ffff0000c259e000 x18: 1fffe00033781890 [ 50.717124][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 50.718402][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 50.719627][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 50.720867][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 50.721986][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 50.723207][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.724407][ T6769] Call trace: [ 50.724879][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 50.725866][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 50.726625][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.727498][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.728355][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 50.729193][ T6769] ext4_dirty_inode+0xd4/0x104 [ 50.729973][ T6769] __mark_inode_dirty+0x358/0x15bc [ 50.730696][ T6769] iput+0x36c/0xfdc [ 50.731238][ T6769] dentry_unlink_inode+0x384/0x45c [ 50.732000][ T6769] __dentry_kill+0x170/0x594 [ 50.732737][ T6769] shrink_kill+0xd4/0x2cc [ 50.733417][ T6769] shrink_dentry_list+0x31c/0x6cc [ 50.734174][ T6769] shrink_dcache_tree+0xc0/0x290 [ 50.734910][ T6769] do_one_tree+0x30/0xf4 [ 50.735604][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 50.736413][ T6769] generic_shutdown_super+0x68/0x2b8 [ 50.737245][ T6769] kill_block_super+0x44/0x90 [ 50.737921][ T6769] ext4_kill_sb+0x68/0xa4 [ 50.738575][ T6769] deactivate_locked_super+0xc4/0x12c [ 50.739429][ T6769] deactivate_super+0xe0/0x100 [ 50.740104][ T6769] cleanup_mnt+0x31c/0x3ac [ 50.740717][ T6769] __cleanup_mnt+0x20/0x30 [ 50.741348][ T6769] task_work_run+0x1dc/0x260 [ 50.742082][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 50.742885][ T6769] el0_svc+0x17c/0x26c [ 50.743464][ T6769] el0t_64_sync_handler+0x84/0x12c [ 50.744245][ T6769] el0t_64_sync+0x198/0x19c [ 50.744897][ T6769] irq event stamp: 505104 [ 50.745491][ T6769] hardirqs last enabled at (505103): [] irqentry_exit+0x1b4/0x308 [ 50.746944][ T6769] hardirqs last disabled at (505104): [] el1_brk64+0x20/0x54 [ 50.748309][ T6769] softirqs last enabled at (504958): [] handle_softirqs+0xaf8/0xc88 [ 50.749722][ T6769] softirqs last disabled at (504947): [] __do_softirq+0x14/0x20 [ 50.751117][ T6769] ---[ end trace 0000000000000000 ]--- [ 50.795178][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 50.797292][ T6769] ------------[ cut here ]------------ [ 50.797302][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 50.799881][ T6769] Modules linked in: [ 50.800480][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.802026][ T6769] Tainted: [W]=WARN [ 50.802627][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.804145][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.805416][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.806424][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.807448][ T6769] sp : ffff8000a50e7100 [ 50.808132][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e2a940 x27: 0000000000000001 [ 50.809372][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc5528 x24: ffff0000e6e2a918 [ 50.810625][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 50.811880][ T6769] x20: ffff0000c8968068 x19: ffff0000c8968000 x18: 1fffe0003377d090 [ 50.813084][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 50.814297][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 50.815586][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 50.816743][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 50.817888][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 50.819145][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.820344][ T6769] Call trace: [ 50.820846][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 50.821911][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 50.822807][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.823754][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.824644][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 50.825525][ T6769] ext4_dirty_inode+0xd4/0x104 [ 50.826341][ T6769] __mark_inode_dirty+0x358/0x15bc [ 50.827151][ T6769] iput+0x36c/0xfdc [ 50.827763][ T6769] dentry_unlink_inode+0x384/0x45c [ 50.828546][ T6769] __dentry_kill+0x170/0x594 [ 50.829243][ T6769] shrink_kill+0xd4/0x2cc [ 50.829939][ T6769] shrink_dentry_list+0x31c/0x6cc [ 50.830650][ T6769] shrink_dcache_tree+0xc0/0x290 [ 50.831409][ T6769] do_one_tree+0x30/0xf4 [ 50.832091][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 50.832932][ T6769] generic_shutdown_super+0x68/0x2b8 [ 50.833765][ T6769] kill_block_super+0x44/0x90 [ 50.834529][ T6769] ext4_kill_sb+0x68/0xa4 [ 50.835180][ T6769] deactivate_locked_super+0xc4/0x12c [ 50.836011][ T6769] deactivate_super+0xe0/0x100 [ 50.836747][ T6769] cleanup_mnt+0x31c/0x3ac [ 50.837432][ T6769] __cleanup_mnt+0x20/0x30 [ 50.838149][ T6769] task_work_run+0x1dc/0x260 [ 50.838849][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 50.839686][ T6769] el0_svc+0x17c/0x26c [ 50.840260][ T6769] el0t_64_sync_handler+0x84/0x12c [ 50.841052][ T6769] el0t_64_sync+0x198/0x19c [ 50.841735][ T6769] irq event stamp: 509812 [ 50.842396][ T6769] hardirqs last enabled at (509811): [] finish_lock_switch+0xb0/0x1c0 [ 50.843968][ T6769] hardirqs last disabled at (509812): [] el1_brk64+0x20/0x54 [ 50.845362][ T6769] softirqs last enabled at (509538): [] local_bh_enable+0x10/0x34 [ 50.846678][ T6769] softirqs last disabled at (509536): [] local_bh_disable+0x10/0x34 [ 50.848149][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 50.895554][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 50.895647][ T6769] ------------[ cut here ]------------ [ 50.895651][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 50.900481][ T6769] Modules linked in: [ 50.901090][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.902706][ T6769] Tainted: [W]=WARN [ 50.903263][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 50.904763][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.905831][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.906683][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 50.907575][ T6769] sp : ffff8000a50e7100 [ 50.908174][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e40c60 x27: 0000000000000001 [ 50.909263][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc818c x24: ffff0000e6e40c38 [ 50.910370][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 50.911560][ T6769] x20: ffff0000d548c068 x19: ffff0000d548c000 x18: 1fffe00033781890 [ 50.912809][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 50.913883][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 50.914965][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 50.916204][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 50.917484][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 50.918709][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.919996][ T6769] Call trace: [ 50.920512][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 50.921510][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 50.922348][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 50.923280][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.924215][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 50.925088][ T6769] ext4_dirty_inode+0xd4/0x104 [ 50.925791][ T6769] __mark_inode_dirty+0x358/0x15bc [ 50.926611][ T6769] iput+0x36c/0xfdc [ 50.927218][ T6769] dentry_unlink_inode+0x384/0x45c [ 50.928037][ T6769] __dentry_kill+0x170/0x594 [ 50.928724][ T6769] shrink_kill+0xd4/0x2cc [ 50.929443][ T6769] shrink_dentry_list+0x31c/0x6cc [ 50.930268][ T6769] shrink_dcache_tree+0xc0/0x290 [ 50.931009][ T6769] do_one_tree+0x30/0xf4 [ 50.931669][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 50.932529][ T6769] generic_shutdown_super+0x68/0x2b8 [ 50.933310][ T6769] kill_block_super+0x44/0x90 [ 50.934082][ T6769] ext4_kill_sb+0x68/0xa4 [ 50.934779][ T6769] deactivate_locked_super+0xc4/0x12c [ 50.935637][ T6769] deactivate_super+0xe0/0x100 [ 50.936412][ T6769] cleanup_mnt+0x31c/0x3ac [ 50.937168][ T6769] __cleanup_mnt+0x20/0x30 [ 50.937833][ T6769] task_work_run+0x1dc/0x260 [ 50.938570][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 50.939423][ T6769] el0_svc+0x17c/0x26c [ 50.940071][ T6769] el0t_64_sync_handler+0x84/0x12c [ 50.940863][ T6769] el0t_64_sync+0x198/0x19c [ 50.941604][ T6769] irq event stamp: 516358 [ 50.942271][ T6769] hardirqs last enabled at (516357): [] irqentry_exit+0x1b4/0x308 [ 50.943787][ T6769] hardirqs last disabled at (516358): [] el1_brk64+0x20/0x54 [ 50.945221][ T6769] softirqs last enabled at (516276): [] local_bh_enable+0x10/0x34 [ 50.946694][ T6769] softirqs last disabled at (516274): [] local_bh_disable+0x10/0x34 [ 50.948132][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 51.005014][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 51.005114][ T6769] ------------[ cut here ]------------ [ 51.005118][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 51.010218][ T6769] Modules linked in: [ 51.010824][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.012526][ T6769] Tainted: [W]=WARN [ 51.013129][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.014688][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.015844][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.016800][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.017855][ T6769] sp : ffff8000a50e7100 [ 51.018472][ T6769] x29: ffff8000a50e7260 x28: ffff0000e117c620 x27: 0000000000000001 [ 51.019635][ T6769] x26: 0000000000000000 x25: 1fffe0001c22f8c4 x24: ffff0000e117c5f8 [ 51.020796][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 51.021941][ T6769] x20: ffff0000d56d6068 x19: ffff0000d56d6000 x18: 1fffe00033781890 [ 51.023176][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 51.024318][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 51.025433][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 51.026604][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 51.027756][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 51.028947][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.030106][ T6769] Call trace: [ 51.030588][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 51.031602][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 51.032397][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.033262][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.034134][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 51.034979][ T6769] ext4_dirty_inode+0xd4/0x104 [ 51.035786][ T6769] __mark_inode_dirty+0x358/0x15bc [ 51.036696][ T6769] iput+0x36c/0xfdc [ 51.037323][ T6769] dentry_unlink_inode+0x384/0x45c [ 51.038134][ T6769] __dentry_kill+0x170/0x594 [ 51.038830][ T6769] shrink_kill+0xd4/0x2cc [ 51.039484][ T6769] shrink_dentry_list+0x31c/0x6cc [ 51.040254][ T6769] shrink_dcache_tree+0xc0/0x290 [ 51.041003][ T6769] do_one_tree+0x30/0xf4 [ 51.041614][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 51.042404][ T6769] generic_shutdown_super+0x68/0x2b8 [ 51.043196][ T6769] kill_block_super+0x44/0x90 [ 51.043903][ T6769] ext4_kill_sb+0x68/0xa4 [ 51.044639][ T6769] deactivate_locked_super+0xc4/0x12c [ 51.045482][ T6769] deactivate_super+0xe0/0x100 [ 51.046219][ T6769] cleanup_mnt+0x31c/0x3ac [ 51.046859][ T6769] __cleanup_mnt+0x20/0x30 [ 51.047492][ T6769] task_work_run+0x1dc/0x260 [ 51.048176][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 51.048912][ T6769] el0_svc+0x17c/0x26c [ 51.049493][ T6769] el0t_64_sync_handler+0x84/0x12c [ 51.050219][ T6769] el0t_64_sync+0x198/0x19c [ 51.050864][ T6769] irq event stamp: 522336 [ 51.051476][ T6769] hardirqs last enabled at (522335): [] irqentry_exit+0x1b4/0x308 [ 51.052877][ T6769] hardirqs last disabled at (522336): [] el1_brk64+0x20/0x54 [ 51.054184][ T6769] softirqs last enabled at (522176): [] local_bh_enable+0x10/0x34 [ 51.055501][ T6769] softirqs last disabled at (522174): [] local_bh_disable+0x10/0x34 [ 51.056945][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 51.096139][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 51.096237][ T6769] ------------[ cut here ]------------ [ 51.096242][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 51.101373][ T6769] Modules linked in: [ 51.101963][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.103624][ T6769] Tainted: [W]=WARN [ 51.104169][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.105797][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.106941][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.107955][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.108961][ T6769] sp : ffff8000a50e7100 [ 51.109576][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e432e0 x27: 0000000000000001 [ 51.110706][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc865c x24: ffff0000e6e432b8 [ 51.111891][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 51.113128][ T6769] x20: ffff0000d64be068 x19: ffff0000d64be000 x18: 1fffe00033781890 [ 51.114410][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 51.115583][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 51.116865][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 51.118135][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 51.119410][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 51.120593][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.121852][ T6769] Call trace: [ 51.122278][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 51.123132][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 51.123917][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.124755][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.125636][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 51.126509][ T6769] ext4_dirty_inode+0xd4/0x104 [ 51.127253][ T6769] __mark_inode_dirty+0x358/0x15bc [ 51.128017][ T6769] iput+0x36c/0xfdc [ 51.128635][ T6769] dentry_unlink_inode+0x384/0x45c [ 51.129362][ T6769] __dentry_kill+0x170/0x594 [ 51.130039][ T6769] shrink_kill+0xd4/0x2cc [ 51.130704][ T6769] shrink_dentry_list+0x31c/0x6cc [ 51.131503][ T6769] shrink_dcache_tree+0xc0/0x290 [ 51.132280][ T6769] do_one_tree+0x30/0xf4 [ 51.132963][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 51.133769][ T6769] generic_shutdown_super+0x68/0x2b8 [ 51.134537][ T6769] kill_block_super+0x44/0x90 [ 51.135221][ T6769] ext4_kill_sb+0x68/0xa4 [ 51.135861][ T6769] deactivate_locked_super+0xc4/0x12c [ 51.136734][ T6769] deactivate_super+0xe0/0x100 [ 51.137438][ T6769] cleanup_mnt+0x31c/0x3ac [ 51.138068][ T6769] __cleanup_mnt+0x20/0x30 [ 51.138729][ T6769] task_work_run+0x1dc/0x260 [ 51.139418][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 51.140239][ T6769] el0_svc+0x17c/0x26c [ 51.140918][ T6769] el0t_64_sync_handler+0x84/0x12c [ 51.141704][ T6769] el0t_64_sync+0x198/0x19c [ 51.142415][ T6769] irq event stamp: 528168 [ 51.143065][ T6769] hardirqs last enabled at (528167): [] irqentry_exit+0x1b4/0x308 [ 51.144478][ T6769] hardirqs last disabled at (528168): [] el1_brk64+0x20/0x54 [ 51.145863][ T6769] softirqs last enabled at (528002): [] local_bh_enable+0x10/0x34 [ 51.147242][ T6769] softirqs last disabled at (528000): [] local_bh_disable+0x10/0x34 [ 51.148743][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 51.193785][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 51.193878][ T6769] ------------[ cut here ]------------ [ 51.193882][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 51.198637][ T6769] Modules linked in: [ 51.199275][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.201163][ T6769] Tainted: [W]=WARN [ 51.201815][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.203480][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.204766][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.205891][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.206856][ T6769] sp : ffff8000a50e7100 [ 51.207520][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e46ca0 x27: 0000000000000001 [ 51.208801][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc8d94 x24: ffff0000e6e46c78 [ 51.210067][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 51.211335][ T6769] x20: ffff0000d634c068 x19: ffff0000d634c000 x18: 1fffe00033781890 [ 51.212613][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 51.213955][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 51.215226][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 51.216463][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 51.217763][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 51.219120][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.220363][ T6769] Call trace: [ 51.220887][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 51.221972][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 51.222860][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.223853][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.224757][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 51.225633][ T6769] ext4_dirty_inode+0xd4/0x104 [ 51.226354][ T6769] __mark_inode_dirty+0x358/0x15bc [ 51.227242][ T6769] iput+0x36c/0xfdc [ 51.227802][ T6769] dentry_unlink_inode+0x384/0x45c [ 51.228585][ T6769] __dentry_kill+0x170/0x594 [ 51.229404][ T6769] shrink_kill+0xd4/0x2cc [ 51.230116][ T6769] shrink_dentry_list+0x31c/0x6cc [ 51.230927][ T6769] shrink_dcache_tree+0xc0/0x290 [ 51.231715][ T6769] do_one_tree+0x30/0xf4 [ 51.232331][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 51.233170][ T6769] generic_shutdown_super+0x68/0x2b8 [ 51.234048][ T6769] kill_block_super+0x44/0x90 [ 51.234779][ T6769] ext4_kill_sb+0x68/0xa4 [ 51.235437][ T6769] deactivate_locked_super+0xc4/0x12c [ 51.236224][ T6769] deactivate_super+0xe0/0x100 [ 51.236950][ T6769] cleanup_mnt+0x31c/0x3ac [ 51.237627][ T6769] __cleanup_mnt+0x20/0x30 [ 51.238294][ T6769] task_work_run+0x1dc/0x260 [ 51.239090][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 51.239966][ T6769] el0_svc+0x17c/0x26c [ 51.240632][ T6769] el0t_64_sync_handler+0x84/0x12c [ 51.241414][ T6769] el0t_64_sync+0x198/0x19c [ 51.242189][ T6769] irq event stamp: 533668 [ 51.242830][ T6769] hardirqs last enabled at (533667): [] irqentry_exit+0x1b4/0x308 [ 51.244388][ T6769] hardirqs last disabled at (533668): [] el1_brk64+0x20/0x54 [ 51.245759][ T6769] softirqs last enabled at (533592): [] local_bh_enable+0x10/0x34 [ 51.247254][ T6769] softirqs last disabled at (533590): [] local_bh_disable+0x10/0x34 [ 51.248781][ T6769] ---[ end trace 0000000000000000 ]--- [ 51.314038][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 51.316110][ T6769] ------------[ cut here ]------------ [ 51.316117][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 51.318869][ T6769] Modules linked in: [ 51.319565][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.321349][ T6769] Tainted: [W]=WARN [ 51.321965][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.323580][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.324711][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.325713][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.326648][ T6769] sp : ffff8000a50e7100 [ 51.327330][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e49600 x27: 0000000000000001 [ 51.328581][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc92c0 x24: ffff0000e6e495d8 [ 51.329837][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 51.331073][ T6769] x20: ffff0000d7b06068 x19: ffff0000d7b06000 x18: 1fffe0003377d090 [ 51.332295][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 51.333515][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 51.334753][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 51.335962][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 51.337200][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 51.338458][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.339710][ T6769] Call trace: [ 51.340256][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 51.341246][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 51.342091][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.342970][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.343845][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 51.344661][ T6769] ext4_dirty_inode+0xd4/0x104 [ 51.345431][ T6769] __mark_inode_dirty+0x358/0x15bc [ 51.346266][ T6769] iput+0x36c/0xfdc [ 51.346868][ T6769] dentry_unlink_inode+0x384/0x45c [ 51.347676][ T6769] __dentry_kill+0x170/0x594 [ 51.348407][ T6769] shrink_kill+0xd4/0x2cc [ 51.349074][ T6769] shrink_dentry_list+0x31c/0x6cc [ 51.349901][ T6769] shrink_dcache_tree+0xc0/0x290 [ 51.350622][ T6769] do_one_tree+0x30/0xf4 [ 51.351276][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 51.352143][ T6769] generic_shutdown_super+0x68/0x2b8 [ 51.353022][ T6769] kill_block_super+0x44/0x90 [ 51.353677][ T6769] ext4_kill_sb+0x68/0xa4 [ 51.354320][ T6769] deactivate_locked_super+0xc4/0x12c [ 51.355126][ T6769] deactivate_super+0xe0/0x100 [ 51.355879][ T6769] cleanup_mnt+0x31c/0x3ac [ 51.356559][ T6769] __cleanup_mnt+0x20/0x30 [ 51.357225][ T6769] task_work_run+0x1dc/0x260 [ 51.357864][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 51.358658][ T6769] el0_svc+0x17c/0x26c [ 51.359273][ T6769] el0t_64_sync_handler+0x84/0x12c [ 51.359996][ T6769] el0t_64_sync+0x198/0x19c [ 51.360716][ T6769] irq event stamp: 540968 [ 51.361358][ T6769] hardirqs last enabled at (540967): [] finish_lock_switch+0xb0/0x1c0 [ 51.362791][ T6769] hardirqs last disabled at (540968): [] el1_brk64+0x20/0x54 [ 51.364125][ T6769] softirqs last enabled at (540884): [] local_bh_enable+0x10/0x34 [ 51.365514][ T6769] softirqs last disabled at (540882): [] local_bh_disable+0x10/0x34 [ 51.366895][ T6769] ---[ end trace 0000000000000000 ]--- [ 51.401462][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 51.403612][ T6769] ------------[ cut here ]------------ [ 51.403621][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 51.406234][ T6769] Modules linked in: [ 51.406888][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.408501][ T6769] Tainted: [W]=WARN [ 51.409209][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.410824][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.412038][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.413029][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.413993][ T6769] sp : ffff8000a50e7100 [ 51.414636][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e49fa0 x27: 0000000000000001 [ 51.415880][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc93f4 x24: ffff0000e6e49f78 [ 51.417102][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 51.418336][ T6769] x20: ffff0000d1f98068 x19: ffff0000d1f98000 x18: 1fffe0003377d090 [ 51.419554][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 51.420796][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 51.421946][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 51.423167][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 51.424388][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 51.425614][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.426783][ T6769] Call trace: [ 51.427272][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 51.428210][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 51.428965][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.429833][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.430623][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 51.431431][ T6769] ext4_dirty_inode+0xd4/0x104 [ 51.432116][ T6769] __mark_inode_dirty+0x358/0x15bc [ 51.432924][ T6769] iput+0x36c/0xfdc [ 51.433448][ T6769] dentry_unlink_inode+0x384/0x45c [ 51.434246][ T6769] __dentry_kill+0x170/0x594 [ 51.434974][ T6769] shrink_kill+0xd4/0x2cc [ 51.435580][ T6769] shrink_dentry_list+0x31c/0x6cc [ 51.436396][ T6769] shrink_dcache_tree+0xc0/0x290 [ 51.437179][ T6769] do_one_tree+0x30/0xf4 [ 51.437778][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 51.438637][ T6769] generic_shutdown_super+0x68/0x2b8 [ 51.439427][ T6769] kill_block_super+0x44/0x90 [ 51.440177][ T6769] ext4_kill_sb+0x68/0xa4 [ 51.440877][ T6769] deactivate_locked_super+0xc4/0x12c [ 51.441728][ T6769] deactivate_super+0xe0/0x100 [ 51.442460][ T6769] cleanup_mnt+0x31c/0x3ac [ 51.443149][ T6769] __cleanup_mnt+0x20/0x30 [ 51.443797][ T6769] task_work_run+0x1dc/0x260 [ 51.444543][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 51.445369][ T6769] el0_svc+0x17c/0x26c [ 51.446012][ T6769] el0t_64_sync_handler+0x84/0x12c [ 51.446787][ T6769] el0t_64_sync+0x198/0x19c [ 51.447483][ T6769] irq event stamp: 546166 [ 51.448092][ T6769] hardirqs last enabled at (546165): [] finish_lock_switch+0xb0/0x1c0 [ 51.449585][ T6769] hardirqs last disabled at (546166): [] el1_brk64+0x20/0x54 [ 51.451028][ T6769] softirqs last enabled at (545812): [] local_bh_enable+0x10/0x34 [ 51.452561][ T6769] softirqs last disabled at (545810): [] local_bh_disable+0x10/0x34 [ 51.453974][ T6769] ---[ end trace 0000000000000000 ]--- [ 51.508842][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 51.511199][ T6769] ------------[ cut here ]------------ [ 51.511206][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 51.513820][ T6769] Modules linked in: [ 51.514462][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.516060][ T6769] Tainted: [W]=WARN [ 51.516602][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.517969][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.519056][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.519982][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.521013][ T6769] sp : ffff8000a50e7100 [ 51.521606][ T6769] x29: ffff8000a50e7260 x28: ffff0000e116bc80 x27: 0000000000000001 [ 51.522865][ T6769] x26: 0000000000000000 x25: 1fffe0001c22d790 x24: ffff0000e116bc58 [ 51.524150][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 51.525408][ T6769] x20: ffff0000d7722068 x19: ffff0000d7722000 x18: 1fffe0003377d090 [ 51.526655][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 51.528063][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 51.529463][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 51.530772][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 51.532166][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 51.533559][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.534860][ T6769] Call trace: [ 51.535345][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 51.536404][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 51.537253][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.538135][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.538963][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 51.539781][ T6769] ext4_dirty_inode+0xd4/0x104 [ 51.540549][ T6769] __mark_inode_dirty+0x358/0x15bc [ 51.541344][ T6769] iput+0x36c/0xfdc [ 51.542011][ T6769] dentry_unlink_inode+0x384/0x45c [ 51.542850][ T6769] __dentry_kill+0x170/0x594 [ 51.543526][ T6769] shrink_kill+0xd4/0x2cc [ 51.544250][ T6769] shrink_dentry_list+0x31c/0x6cc [ 51.545016][ T6769] shrink_dcache_tree+0xc0/0x290 [ 51.545740][ T6769] do_one_tree+0x30/0xf4 [ 51.546388][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 51.547207][ T6769] generic_shutdown_super+0x68/0x2b8 [ 51.547959][ T6769] kill_block_super+0x44/0x90 [ 51.548655][ T6769] ext4_kill_sb+0x68/0xa4 [ 51.549311][ T6769] deactivate_locked_super+0xc4/0x12c [ 51.550117][ T6769] deactivate_super+0xe0/0x100 [ 51.550826][ T6769] cleanup_mnt+0x31c/0x3ac [ 51.551514][ T6769] __cleanup_mnt+0x20/0x30 [ 51.552169][ T6769] task_work_run+0x1dc/0x260 [ 51.552928][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 51.553735][ T6769] el0_svc+0x17c/0x26c [ 51.554334][ T6769] el0t_64_sync_handler+0x84/0x12c [ 51.555129][ T6769] el0t_64_sync+0x198/0x19c [ 51.555835][ T6769] irq event stamp: 552072 [ 51.556532][ T6769] hardirqs last enabled at (552071): [] finish_lock_switch+0xb0/0x1c0 [ 51.557978][ T6769] hardirqs last disabled at (552072): [] el1_brk64+0x20/0x54 [ 51.559329][ T6769] softirqs last enabled at (551898): [] local_bh_enable+0x10/0x34 [ 51.560629][ T6769] softirqs last disabled at (551896): [] local_bh_disable+0x10/0x34 [ 51.562011][ T6769] ---[ end trace 0000000000000000 ]--- [ 51.595605][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 51.597855][ T6769] ------------[ cut here ]------------ [ 51.597863][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 51.600481][ T6769] Modules linked in: [ 51.601132][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.602886][ T6769] Tainted: [W]=WARN [ 51.603492][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.605044][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.606197][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.607183][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.608132][ T6769] sp : ffff8000a50e7100 [ 51.608746][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e52940 x27: 0000000000000001 [ 51.609991][ T6769] x26: 0000000000000000 x25: 1fffe0001cdca528 x24: ffff0000e6e52918 [ 51.611225][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 51.612450][ T6769] x20: ffff0000d7fc8068 x19: ffff0000d7fc8000 x18: 1fffe0003377d090 [ 51.613580][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 51.614782][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 51.615948][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 51.617140][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 51.618418][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 51.619638][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.620882][ T6769] Call trace: [ 51.621471][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 51.622449][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 51.623338][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.624318][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.625283][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 51.626143][ T6769] ext4_dirty_inode+0xd4/0x104 [ 51.626904][ T6769] __mark_inode_dirty+0x358/0x15bc [ 51.627676][ T6769] iput+0x36c/0xfdc [ 51.628269][ T6769] dentry_unlink_inode+0x384/0x45c [ 51.629049][ T6769] __dentry_kill+0x170/0x594 [ 51.629719][ T6769] shrink_kill+0xd4/0x2cc [ 51.630376][ T6769] shrink_dentry_list+0x31c/0x6cc [ 51.631187][ T6769] shrink_dcache_tree+0xc0/0x290 [ 51.631955][ T6769] do_one_tree+0x30/0xf4 [ 51.632596][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 51.633455][ T6769] generic_shutdown_super+0x68/0x2b8 [ 51.634205][ T6769] kill_block_super+0x44/0x90 [ 51.634949][ T6769] ext4_kill_sb+0x68/0xa4 [ 51.635614][ T6769] deactivate_locked_super+0xc4/0x12c [ 51.636491][ T6769] deactivate_super+0xe0/0x100 [ 51.637162][ T6769] cleanup_mnt+0x31c/0x3ac [ 51.637853][ T6769] __cleanup_mnt+0x20/0x30 [ 51.638507][ T6769] task_work_run+0x1dc/0x260 [ 51.639219][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 51.640022][ T6769] el0_svc+0x17c/0x26c [ 51.640706][ T6769] el0t_64_sync_handler+0x84/0x12c [ 51.641491][ T6769] el0t_64_sync+0x198/0x19c [ 51.642162][ T6769] irq event stamp: 557974 [ 51.642802][ T6769] hardirqs last enabled at (557973): [] finish_lock_switch+0xb0/0x1c0 [ 51.644210][ T6769] hardirqs last disabled at (557974): [] el1_brk64+0x20/0x54 [ 51.645528][ T6769] softirqs last enabled at (557810): [] local_bh_enable+0x10/0x34 [ 51.646895][ T6769] softirqs last disabled at (557808): [] local_bh_disable+0x10/0x34 [ 51.648367][ T6769] ---[ end trace 0000000000000000 ]--- [ 51.674613][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 51.677333][ T6769] ------------[ cut here ]------------ [ 51.677343][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 51.679978][ T6769] Modules linked in: [ 51.680567][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.682264][ T6769] Tainted: [W]=WARN [ 51.682857][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.684391][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.685641][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.686644][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.687670][ T6769] sp : ffff8000a50e7100 [ 51.688360][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e80c60 x27: 0000000000000001 [ 51.689672][ T6769] x26: 0000000000000000 x25: 1fffe0001cdd018c x24: ffff0000e6e80c38 [ 51.690913][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 51.692149][ T6769] x20: ffff0000d62fc068 x19: ffff0000d62fc000 x18: 1fffe00033781890 [ 51.693319][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 51.694612][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 51.695809][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 51.697147][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 51.698338][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 51.699510][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.700765][ T6769] Call trace: [ 51.701300][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 51.702395][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 51.703211][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.704191][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.705051][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 51.705887][ T6769] ext4_dirty_inode+0xd4/0x104 [ 51.706571][ T6769] __mark_inode_dirty+0x358/0x15bc [ 51.707344][ T6769] iput+0x36c/0xfdc [ 51.707918][ T6769] dentry_unlink_inode+0x384/0x45c [ 51.708698][ T6769] __dentry_kill+0x170/0x594 [ 51.709340][ T6769] shrink_kill+0xd4/0x2cc [ 51.709943][ T6769] shrink_dentry_list+0x31c/0x6cc [ 51.710679][ T6769] shrink_dcache_tree+0xc0/0x290 [ 51.711479][ T6769] do_one_tree+0x30/0xf4 [ 51.712177][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 51.713062][ T6769] generic_shutdown_super+0x68/0x2b8 [ 51.713877][ T6769] kill_block_super+0x44/0x90 [ 51.714585][ T6769] ext4_kill_sb+0x68/0xa4 [ 51.715222][ T6769] deactivate_locked_super+0xc4/0x12c [ 51.716010][ T6769] deactivate_super+0xe0/0x100 [ 51.716729][ T6769] cleanup_mnt+0x31c/0x3ac [ 51.717456][ T6769] __cleanup_mnt+0x20/0x30 [ 51.718130][ T6769] task_work_run+0x1dc/0x260 [ 51.718840][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 51.719713][ T6769] el0_svc+0x17c/0x26c [ 51.720302][ T6769] el0t_64_sync_handler+0x84/0x12c [ 51.721060][ T6769] el0t_64_sync+0x198/0x19c [ 51.721699][ T6769] irq event stamp: 563278 [ 51.722312][ T6769] hardirqs last enabled at (563277): [] finish_lock_switch+0xb0/0x1c0 [ 51.723756][ T6769] hardirqs last disabled at (563278): [] el1_brk64+0x20/0x54 [ 51.725081][ T6769] softirqs last enabled at (563002): [] local_bh_enable+0x10/0x34 [ 51.726531][ T6769] softirqs last disabled at (563000): [] local_bh_disable+0x10/0x34 [ 51.727939][ T6769] ---[ end trace 0000000000000000 ]--- [ 51.768077][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: ** replaying previous printk message ** [ 51.768077][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 51.769295][ T6769] ------------[ cut here ]------------ [ 51.769302][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 51.774204][ T6769] Modules linked in: [ 51.774807][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.776403][ T6769] Tainted: [W]=WARN [ 51.776964][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.778466][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.779609][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.780555][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.781492][ T6769] sp : ffff8000a50e7100 [ 51.782074][ T6769] x29: ffff8000a50e7260 x28: ffff0000e1168c60 x27: 0000000000000001 [ 51.783237][ T6769] x26: 0000000000000000 x25: 1fffe0001c22d18c x24: ffff0000e1168c38 [ 51.784426][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 51.785604][ T6769] x20: ffff0000d8c44068 x19: ffff0000d8c44000 x18: 1fffe00033781890 [ 51.786814][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 51.787998][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 51.789147][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 51.790328][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 51.791492][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 51.792636][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.793833][ T6769] Call trace: [ 51.794312][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 51.795257][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 51.795999][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.796862][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.797686][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 51.798477][ T6769] ext4_dirty_inode+0xd4/0x104 [ 51.799177][ T6769] __mark_inode_dirty+0x358/0x15bc [ 51.799917][ T6769] iput+0x36c/0xfdc [ 51.800476][ T6769] dentry_unlink_inode+0x384/0x45c [ 51.801188][ T6769] __dentry_kill+0x170/0x594 [ 51.801838][ T6769] shrink_kill+0xd4/0x2cc [ 51.802462][ T6769] shrink_dentry_list+0x31c/0x6cc [ 51.803197][ T6769] shrink_dcache_tree+0xc0/0x290 [ 51.803921][ T6769] do_one_tree+0x30/0xf4 [ 51.804524][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 51.805306][ T6769] generic_shutdown_super+0x68/0x2b8 [ 51.806064][ T6769] kill_block_super+0x44/0x90 [ 51.806757][ T6769] ext4_kill_sb+0x68/0xa4 [ 51.807408][ T6769] deactivate_locked_super+0xc4/0x12c [ 51.808169][ T6769] deactivate_super+0xe0/0x100 [ 51.808844][ T6769] cleanup_mnt+0x31c/0x3ac [ 51.809479][ T6769] __cleanup_mnt+0x20/0x30 [ 51.810096][ T6769] task_work_run+0x1dc/0x260 [ 51.810761][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 51.811535][ T6769] el0_svc+0x17c/0x26c [ 51.812134][ T6769] el0t_64_sync_handler+0x84/0x12c [ 51.812841][ T6769] el0t_64_sync+0x198/0x19c [ 51.813466][ T6769] irq event stamp: 568952 [ 51.814067][ T6769] hardirqs last enabled at (568951): [] finish_lock_switch+0xb0/0x1c0 [ 51.815421][ T6769] hardirqs last disabled at (568952): [] el1_brk64+0x20/0x54 [ 51.816685][ T6769] softirqs last enabled at (568686): [] local_bh_enable+0x10/0x34 [ 51.818060][ T6769] softirqs last disabled at (568684): [] local_bh_disable+0x10/0x34 [ 51.819403][ T6769] ---[ end trace 0000000000000000 ]--- [ 51.877646][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode ** replaying previous printk message ** [ 51.877646][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 51.879304][ T6769] ------------[ cut here ]------------ [ 51.879311][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 51.884028][ T6769] Modules linked in: [ 51.884571][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.886039][ T6769] Tainted: [W]=WARN [ 51.886604][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.887988][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.889058][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.889976][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.890883][ T6769] sp : ffff8000a50e7100 [ 51.891464][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e58c60 x27: 0000000000000001 [ 51.892600][ T6769] x26: 0000000000000000 x25: 1fffe0001cdcb18c x24: ffff0000e6e58c38 [ 51.893767][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 51.894932][ T6769] x20: ffff0000d9460068 x19: ffff0000d9460000 x18: 1fffe00033781890 [ 51.896091][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 51.897264][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 51.898422][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 51.899585][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 51.900718][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 51.901834][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.902973][ T6769] Call trace: [ 51.903428][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 51.904353][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 51.905114][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.905943][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.906764][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 51.907544][ T6769] ext4_dirty_inode+0xd4/0x104 [ 51.908228][ T6769] __mark_inode_dirty+0x358/0x15bc [ 51.908958][ T6769] iput+0x36c/0xfdc [ 51.909504][ T6769] dentry_unlink_inode+0x384/0x45c [ 51.910272][ T6769] __dentry_kill+0x170/0x594 [ 51.910993][ T6769] shrink_kill+0xd4/0x2cc [ 51.911639][ T6769] shrink_dentry_list+0x31c/0x6cc [ 51.912367][ T6769] shrink_dcache_tree+0xc0/0x290 [ 51.913060][ T6769] do_one_tree+0x30/0xf4 [ 51.913691][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 51.914482][ T6769] generic_shutdown_super+0x68/0x2b8 [ 51.915252][ T6769] kill_block_super+0x44/0x90 [ 51.915923][ T6769] ext4_kill_sb+0x68/0xa4 [ 51.916563][ T6769] deactivate_locked_super+0xc4/0x12c [ 51.917336][ T6769] deactivate_super+0xe0/0x100 [ 51.918131][ T6769] cleanup_mnt+0x31c/0x3ac [ 51.918806][ T6769] __cleanup_mnt+0x20/0x30 [ 51.919441][ T6769] task_work_run+0x1dc/0x260 [ 51.920104][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 51.920900][ T6769] el0_svc+0x17c/0x26c [ 51.921493][ T6769] el0t_64_sync_handler+0x84/0x12c [ 51.922239][ T6769] el0t_64_sync+0x198/0x19c [ 51.922913][ T6769] irq event stamp: 576392 [ 51.923541][ T6769] hardirqs last enabled at (576391): [] finish_lock_switch+0xb0/0x1c0 [ 51.924970][ T6769] hardirqs last disabled at (576392): [] el1_brk64+0x20/0x54 [ 51.926287][ T6769] softirqs last enabled at (576126): [] local_bh_enable+0x10/0x34 [ 51.927696][ T6769] softirqs last disabled at (576124): [] local_bh_disable+0x10/0x34 [ 51.929097][ T6769] ---[ end trace 0000000000000000 ]--- [ 51.969394][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 51.971484][ T6769] ------------[ cut here ]------------ [ 51.971491][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 51.974021][ T6769] Modules linked in: [ 51.974607][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.976113][ T6769] Tainted: [W]=WARN [ 51.976566][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 51.977946][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.979051][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.980098][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 51.981065][ T6769] sp : ffff8000a50e7100 [ 51.981659][ T6769] x29: ffff8000a50e7260 x28: ffff0000e1149600 x27: 0000000000000001 [ 51.982827][ T6769] x26: 0000000000000000 x25: 1fffe0001c2292c0 x24: ffff0000e11495d8 [ 51.983984][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 51.985172][ T6769] x20: ffff0000d3f20068 x19: ffff0000d3f20000 x18: 1fffe0003377d090 [ 51.986296][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 51.987386][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 51.988592][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 51.989771][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 51.991013][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 51.992209][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.993385][ T6769] Call trace: [ 51.993898][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 51.994817][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 51.995576][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 51.996329][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.997183][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 51.998007][ T6769] ext4_dirty_inode+0xd4/0x104 [ 51.998711][ T6769] __mark_inode_dirty+0x358/0x15bc [ 51.999444][ T6769] iput+0x36c/0xfdc [ 52.000017][ T6769] dentry_unlink_inode+0x384/0x45c [ 52.000746][ T6769] __dentry_kill+0x170/0x594 [ 52.001399][ T6769] shrink_kill+0xd4/0x2cc [ 52.001997][ T6769] shrink_dentry_list+0x31c/0x6cc [ 52.002835][ T6769] shrink_dcache_tree+0xc0/0x290 [ 52.003554][ T6769] do_one_tree+0x30/0xf4 [ 52.004163][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 52.004980][ T6769] generic_shutdown_super+0x68/0x2b8 [ 52.005702][ T6769] kill_block_super+0x44/0x90 [ 52.006415][ T6769] ext4_kill_sb+0x68/0xa4 [ 52.007163][ T6769] deactivate_locked_super+0xc4/0x12c [ 52.008019][ T6769] deactivate_super+0xe0/0x100 [ 52.008761][ T6769] cleanup_mnt+0x31c/0x3ac [ 52.009509][ T6769] __cleanup_mnt+0x20/0x30 [ 52.010309][ T6769] task_work_run+0x1dc/0x260 [ 52.011095][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 52.011990][ T6769] el0_svc+0x17c/0x26c [ 52.012642][ T6769] el0t_64_sync_handler+0x84/0x12c [ 52.013403][ T6769] el0t_64_sync+0x198/0x19c [ 52.014080][ T6769] irq event stamp: 582260 [ 52.014713][ T6769] hardirqs last enabled at (582259): [] finish_lock_switch+0xb0/0x1c0 [ 52.016279][ T6769] hardirqs last disabled at (582260): [] el1_brk64+0x20/0x54 [ 52.017604][ T6769] softirqs last enabled at (582090): [] local_bh_enable+0x10/0x34 [ 52.019023][ T6769] softirqs last disabled at (582088): [] local_bh_disable+0x10/0x34 [ 52.020558][ T6769] ---[ end trace 0000000000000000 ]--- [ 52.063623][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 52.065621][ T6769] ------------[ cut here ]------------ [ 52.065628][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 52.067925][ T6769] Modules linked in: [ 52.068464][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.069959][ T6769] Tainted: [W]=WARN [ 52.070519][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.072002][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.073190][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.074137][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.075144][ T6769] sp : ffff8000a50e7100 [ 52.075753][ T6769] x29: ffff8000a50e7260 x28: ffff0000e1385960 x27: 0000000000000001 [ 52.077054][ T6769] x26: 0000000000000000 x25: 1fffe0001c270b2c x24: ffff0000e1385938 [ 52.078305][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 52.079578][ T6769] x20: ffff0000db04c068 x19: ffff0000db04c000 x18: 1fffe0003377d090 [ 52.080871][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 52.082070][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 52.083344][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 52.084575][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 52.085830][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 52.087020][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.088262][ T6769] Call trace: [ 52.088764][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 52.089750][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 52.090570][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.091452][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.092318][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 52.093189][ T6769] ext4_dirty_inode+0xd4/0x104 [ 52.093892][ T6769] __mark_inode_dirty+0x358/0x15bc [ 52.094703][ T6769] iput+0x36c/0xfdc [ 52.095316][ T6769] dentry_unlink_inode+0x384/0x45c [ 52.096070][ T6769] __dentry_kill+0x170/0x594 [ 52.096732][ T6769] shrink_kill+0xd4/0x2cc [ 52.097309][ T6769] shrink_dentry_list+0x31c/0x6cc [ 52.098084][ T6769] shrink_dcache_tree+0xc0/0x290 [ 52.098799][ T6769] do_one_tree+0x30/0xf4 [ 52.099470][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 52.100276][ T6769] generic_shutdown_super+0x68/0x2b8 [ 52.101046][ T6769] kill_block_super+0x44/0x90 [ 52.101811][ T6769] ext4_kill_sb+0x68/0xa4 [ 52.102473][ T6769] deactivate_locked_super+0xc4/0x12c [ 52.103282][ T6769] deactivate_super+0xe0/0x100 [ 52.103969][ T6769] cleanup_mnt+0x31c/0x3ac [ 52.104666][ T6769] __cleanup_mnt+0x20/0x30 [ 52.105249][ T6769] task_work_run+0x1dc/0x260 [ 52.105972][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 52.106789][ T6769] el0_svc+0x17c/0x26c [ 52.107348][ T6769] el0t_64_sync_handler+0x84/0x12c [ 52.108097][ T6769] el0t_64_sync+0x198/0x19c [ 52.108800][ T6769] irq event stamp: 588142 [ 52.109486][ T6769] hardirqs last enabled at (588141): [] finish_lock_switch+0xb0/0x1c0 [ 52.110874][ T6769] hardirqs last disabled at (588142): [] el1_brk64+0x20/0x54 [ 52.112103][ T6769] softirqs last enabled at (587964): [] local_bh_enable+0x10/0x34 [ 52.113561][ T6769] softirqs last disabled at (587962): [] local_bh_disable+0x10/0x34 [ 52.114997][ T6769] ---[ end trace 0000000000000000 ]--- [ 52.145649][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 52.147611][ T6769] ------------[ cut here ]------------ [ 52.147618][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 52.150213][ T6769] Modules linked in: [ 52.150799][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.152369][ T6769] Tainted: [W]=WARN [ 52.152976][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.154476][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.155680][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.156708][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.157911][ T6769] sp : ffff8000a50e7100 [ 52.158567][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c032e0 x27: 0000000000000001 [ 52.159877][ T6769] x26: 0000000000000000 x25: 1fffe0001cd8065c x24: ffff0000e6c032b8 [ 52.161319][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 52.162588][ T6769] x20: ffff0000c9a84068 x19: ffff0000c9a84000 x18: 1fffe0003377d090 [ 52.163730][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 52.164885][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 52.165977][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 52.167029][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 52.168254][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 52.169535][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.170884][ T6769] Call trace: [ 52.171447][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 52.172521][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 52.173373][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.174250][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.175022][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 52.175847][ T6769] ext4_dirty_inode+0xd4/0x104 [ 52.176632][ T6769] __mark_inode_dirty+0x358/0x15bc [ 52.177453][ T6769] iput+0x36c/0xfdc [ 52.178008][ T6769] dentry_unlink_inode+0x384/0x45c [ 52.178749][ T6769] __dentry_kill+0x170/0x594 [ 52.179495][ T6769] shrink_kill+0xd4/0x2cc [ 52.180183][ T6769] shrink_dentry_list+0x31c/0x6cc [ 52.180938][ T6769] shrink_dcache_tree+0xc0/0x290 [ 52.181692][ T6769] do_one_tree+0x30/0xf4 [ 52.182425][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 52.183220][ T6769] generic_shutdown_super+0x68/0x2b8 [ 52.183984][ T6769] kill_block_super+0x44/0x90 [ 52.184718][ T6769] ext4_kill_sb+0x68/0xa4 [ 52.185385][ T6769] deactivate_locked_super+0xc4/0x12c [ 52.186150][ T6769] deactivate_super+0xe0/0x100 [ 52.186903][ T6769] cleanup_mnt+0x31c/0x3ac [ 52.187607][ T6769] __cleanup_mnt+0x20/0x30 [ 52.188280][ T6769] task_work_run+0x1dc/0x260 [ 52.189018][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 52.189845][ T6769] el0_svc+0x17c/0x26c [ 52.190521][ T6769] el0t_64_sync_handler+0x84/0x12c [ 52.191290][ T6769] el0t_64_sync+0x198/0x19c [ 52.191911][ T6769] irq event stamp: 593802 [ 52.192528][ T6769] hardirqs last enabled at (593801): [] finish_lock_switch+0xb0/0x1c0 [ 52.194005][ T6769] hardirqs last disabled at (593802): [] el1_brk64+0x20/0x54 [ 52.195415][ T6769] softirqs last enabled at (593626): [] local_bh_enable+0x10/0x34 [ 52.196817][ T6769] softirqs last disabled at (593624): [] local_bh_disable+0x10/0x34 [ 52.198283][ T6769] ---[ end trace 0000000000000000 ]--- [ 52.245346][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 52.247293][ T6769] ------------[ cut here ]------------ [ 52.247300][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 52.250079][ T6769] Modules linked in: [ 52.250766][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.252505][ T6769] Tainted: [W]=WARN [ 52.253132][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.254707][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.255940][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.256982][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.258027][ T6769] sp : ffff8000a50e7100 [ 52.258721][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c18c60 x27: 0000000000000001 [ 52.259998][ T6769] x26: 0000000000000000 x25: 1fffe0001cd8318c x24: ffff0000e6c18c38 [ 52.261202][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 52.262401][ T6769] x20: ffff0000dc272068 x19: ffff0000dc272000 x18: 1fffe0003377d090 [ 52.263672][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 52.264917][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 52.266172][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 52.267471][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 52.268761][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 52.269957][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.271192][ T6769] Call trace: [ 52.271652][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 52.272640][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 52.273455][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.274367][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.275271][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 52.276087][ T6769] ext4_dirty_inode+0xd4/0x104 [ 52.276910][ T6769] __mark_inode_dirty+0x358/0x15bc [ 52.277738][ T6769] iput+0x36c/0xfdc [ 52.278330][ T6769] dentry_unlink_inode+0x384/0x45c [ 52.279112][ T6769] __dentry_kill+0x170/0x594 [ 52.279794][ T6769] shrink_kill+0xd4/0x2cc [ 52.280443][ T6769] shrink_dentry_list+0x31c/0x6cc [ 52.281174][ T6769] shrink_dcache_tree+0xc0/0x290 [ 52.282007][ T6769] do_one_tree+0x30/0xf4 [ 52.282613][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 52.283429][ T6769] generic_shutdown_super+0x68/0x2b8 [ 52.284192][ T6769] kill_block_super+0x44/0x90 [ 52.284919][ T6769] ext4_kill_sb+0x68/0xa4 [ 52.285527][ T6769] deactivate_locked_super+0xc4/0x12c [ 52.286301][ T6769] deactivate_super+0xe0/0x100 [ 52.286995][ T6769] cleanup_mnt+0x31c/0x3ac [ 52.287696][ T6769] __cleanup_mnt+0x20/0x30 [ 52.288307][ T6769] task_work_run+0x1dc/0x260 [ 52.289002][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 52.289829][ T6769] el0_svc+0x17c/0x26c [ 52.290476][ T6769] el0t_64_sync_handler+0x84/0x12c [ 52.291312][ T6769] el0t_64_sync+0x198/0x19c [ 52.292021][ T6769] irq event stamp: 600862 [ 52.292696][ T6769] hardirqs last enabled at (600861): [] finish_lock_switch+0xb0/0x1c0 [ 52.294251][ T6769] hardirqs last disabled at (600862): [] el1_brk64+0x20/0x54 [ 52.295657][ T6769] softirqs last enabled at (600688): [] local_bh_enable+0x10/0x34 [ 52.297054][ T6769] softirqs last disabled at (600686): [] local_bh_disable+0x10/0x34 [ 52.298529][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 52.339953][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 52.340049][ T6769] ------------[ cut here ]------------ [ 52.340054][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 52.345150][ T6769] Modules linked in: [ 52.345831][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.347507][ T6769] Tainted: [W]=WARN [ 52.348073][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.349605][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.350735][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.351703][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.352704][ T6769] sp : ffff8000a50e7100 [ 52.353325][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c1bc80 x27: 0000000000000001 [ 52.354486][ T6769] x26: 0000000000000000 x25: 1fffe0001cd83790 x24: ffff0000e6c1bc58 [ 52.355763][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 52.356980][ T6769] x20: ffff0000d49ea068 x19: ffff0000d49ea000 x18: 1fffe00033781890 [ 52.358238][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 52.359496][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 52.360755][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 52.361930][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 52.363109][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 52.364313][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.365507][ T6769] Call trace: [ 52.366032][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 52.367054][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 52.367856][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.368735][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.369583][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 52.370388][ T6769] ext4_dirty_inode+0xd4/0x104 [ 52.371085][ T6769] __mark_inode_dirty+0x358/0x15bc [ 52.371799][ T6769] iput+0x36c/0xfdc [ 52.372371][ T6769] dentry_unlink_inode+0x384/0x45c [ 52.373103][ T6769] __dentry_kill+0x170/0x594 [ 52.373755][ T6769] shrink_kill+0xd4/0x2cc [ 52.374338][ T6769] shrink_dentry_list+0x31c/0x6cc [ 52.375031][ T6769] shrink_dcache_tree+0xc0/0x290 [ 52.375672][ T6769] do_one_tree+0x30/0xf4 [ 52.376287][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 52.377078][ T6769] generic_shutdown_super+0x68/0x2b8 [ 52.377896][ T6769] kill_block_super+0x44/0x90 [ 52.378561][ T6769] ext4_kill_sb+0x68/0xa4 [ 52.379165][ T6769] deactivate_locked_super+0xc4/0x12c [ 52.379961][ T6769] deactivate_super+0xe0/0x100 [ 52.380615][ T6769] cleanup_mnt+0x31c/0x3ac [ 52.381257][ T6769] __cleanup_mnt+0x20/0x30 [ 52.381878][ T6769] task_work_run+0x1dc/0x260 [ 52.382542][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 52.383346][ T6769] el0_svc+0x17c/0x26c [ 52.383929][ T6769] el0t_64_sync_handler+0x84/0x12c [ 52.384674][ T6769] el0t_64_sync+0x198/0x19c [ 52.385286][ T6769] irq event stamp: 607402 [ 52.385891][ T6769] hardirqs last enabled at (607401): [] irqentry_exit+0x1b4/0x308 [ 52.387295][ T6769] hardirqs last disabled at (607402): [] el1_brk64+0x20/0x54 [ 52.388580][ T6769] softirqs last enabled at (606728): [] local_bh_enable+0x10/0x34 [ 52.389971][ T6769] softirqs last disabled at (606726): [] local_bh_disable+0x10/0x34 [ 52.391496][ T6769] ---[ end trace 0000000000000000 ]--- [ 52.409214][ T54] Bluetooth: hci0: command tx timeout [ ** replaying previous printk message ** [ 52.433093][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 52.433185][ T6769] ------------[ cut here ]------------ [ 52.433189][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 52.438252][ T6769] Modules linked in: [ 52.438872][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.440576][ T6769] Tainted: [W]=WARN [ 52.441200][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.442787][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.444028][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.445014][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.445968][ T6769] sp : ffff8000a50e7100 [ 52.446612][ T6769] x29: ffff8000a50e7260 x28: ffff0000e13f8c60 x27: 0000000000000001 [ 52.447846][ T6769] x26: 0000000000000000 x25: 1fffe0001c27f18c x24: ffff0000e13f8c38 [ 52.449087][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 52.450405][ T6769] x20: ffff0000dc7fa068 x19: ffff0000dc7fa000 x18: 0000000000000000 [ 52.451662][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 52.452923][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 52.454192][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 52.455478][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 52.456710][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 52.457926][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.459196][ T6769] Call trace: [ 52.459655][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 52.460654][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 52.461492][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.462437][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.463326][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 52.464131][ T6769] ext4_dirty_inode+0xd4/0x104 [ 52.464913][ T6769] __mark_inode_dirty+0x358/0x15bc [ 52.465788][ T6769] iput+0x36c/0xfdc [ 52.466457][ T6769] dentry_unlink_inode+0x384/0x45c [ 52.467229][ T6769] __dentry_kill+0x170/0x594 [ 52.467913][ T6769] shrink_kill+0xd4/0x2cc [ 52.468654][ T6769] shrink_dentry_list+0x31c/0x6cc [ 52.469368][ T6769] shrink_dcache_tree+0xc0/0x290 [ 52.470097][ T6769] do_one_tree+0x30/0xf4 [ 52.470782][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 52.471642][ T6769] generic_shutdown_super+0x68/0x2b8 [ 52.472410][ T6769] kill_block_super+0x44/0x90 [ 52.473107][ T6769] ext4_kill_sb+0x68/0xa4 [ 52.473765][ T6769] deactivate_locked_super+0xc4/0x12c [ 52.474660][ T6769] deactivate_super+0xe0/0x100 [ 52.475413][ T6769] cleanup_mnt+0x31c/0x3ac [ 52.476052][ T6769] __cleanup_mnt+0x20/0x30 [ 52.476661][ T6769] task_work_run+0x1dc/0x260 [ 52.477383][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 52.478270][ T6769] el0_svc+0x17c/0x26c [ 52.478935][ T6769] el0t_64_sync_handler+0x84/0x12c [ 52.479717][ T6769] el0t_64_sync+0x198/0x19c [ 52.480399][ T6769] irq event stamp: 612994 [ 52.481000][ T6769] hardirqs last enabled at (612993): [] irqentry_exit+0x1b4/0x308 [ 52.482457][ T6769] hardirqs last disabled at (612994): [] el1_brk64+0x20/0x54 [ 52.483846][ T6769] softirqs last enabled at (612718): [] local_bh_enable+0x10/0x34 [ 52.485269][ T6769] softirqs last disabled at (612716): [] local_bh_disable+0x10/0x34 [ 52.486691][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 52.547226][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 52.547317][ T6769] ------------[ cut here ]------------ [ 52.547320][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 52.552223][ T6769] Modules linked in: [ 52.552806][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.554463][ T6769] Tainted: [W]=WARN [ 52.555040][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.556585][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.557750][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.558659][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.559602][ T6769] sp : ffff8000a50e7100 [ 52.560239][ T6769] x29: ffff8000a50e7260 x28: ffff0000e13fcfc0 x27: 0000000000000001 [ 52.561437][ T6769] x26: 0000000000000000 x25: 1fffe0001c27f9f8 x24: ffff0000e13fcf98 [ 52.562677][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 52.563911][ T6769] x20: ffff0000d7f9a068 x19: ffff0000d7f9a000 x18: 1fffe00033781890 [ 52.565140][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 52.566283][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 52.567462][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 52.568663][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 52.569914][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 52.571183][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.572417][ T6769] Call trace: [ 52.572933][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 52.573922][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 52.574684][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.575522][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.576301][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 52.577093][ T6769] ext4_dirty_inode+0xd4/0x104 [ 52.577825][ T6769] __mark_inode_dirty+0x358/0x15bc [ 52.578600][ T6769] iput+0x36c/0xfdc [ 52.579150][ T6769] dentry_unlink_inode+0x384/0x45c [ 52.579880][ T6769] __dentry_kill+0x170/0x594 [ 52.580576][ T6769] shrink_kill+0xd4/0x2cc [ 52.581234][ T6769] shrink_dentry_list+0x31c/0x6cc [ 52.582018][ T6769] shrink_dcache_tree+0xc0/0x290 [ 52.582781][ T6769] do_one_tree+0x30/0xf4 [ 52.583473][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 52.584297][ T6769] generic_shutdown_super+0x68/0x2b8 [ 52.585062][ T6769] kill_block_super+0x44/0x90 [ 52.585772][ T6769] ext4_kill_sb+0x68/0xa4 [ 52.586428][ T6769] deactivate_locked_super+0xc4/0x12c [ 52.587246][ T6769] deactivate_super+0xe0/0x100 [ 52.587932][ T6769] cleanup_mnt+0x31c/0x3ac [ 52.588593][ T6769] __cleanup_mnt+0x20/0x30 [ 52.589293][ T6769] task_work_run+0x1dc/0x260 [ 52.589990][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 52.590820][ T6769] el0_svc+0x17c/0x26c [ 52.591471][ T6769] el0t_64_sync_handler+0x84/0x12c [ 52.592270][ T6769] el0t_64_sync+0x198/0x19c [ 52.593003][ T6769] irq event stamp: 619002 [ 52.593670][ T6769] hardirqs last enabled at (619001): [] irqentry_exit+0x1b4/0x308 [ 52.595052][ T6769] hardirqs last disabled at (619002): [] el1_brk64+0x20/0x54 [ 52.596440][ T6769] softirqs last enabled at (618712): [] local_bh_enable+0x10/0x34 [ 52.597817][ T6769] softirqs last disabled at (618710): [] local_bh_disable+0x10/0x34 [ 52.599334][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 52.625877][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 52.625978][ T6769] ------------[ cut here ]------------ [ 52.625983][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 52.631219][ T6769] Modules linked in: [ 52.631863][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.633557][ T6769] Tainted: [W]=WARN [ 52.634180][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.635785][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.636941][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.637957][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.638956][ T6769] sp : ffff8000a50e7100 [ 52.639581][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e66300 x27: 0000000000000001 [ 52.640824][ T6769] x26: 0000000000000000 x25: 1fffe0001cdccc60 x24: ffff0000e6e662d8 [ 52.642071][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 52.643405][ T6769] x20: ffff0000c62e0068 x19: ffff0000c62e0000 x18: 1fffe00033781890 [ 52.644605][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 52.645856][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 52.647085][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 52.648255][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 52.649466][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 52.650603][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.651860][ T6769] Call trace: [ 52.652359][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 52.653473][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 52.654267][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.655111][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.656002][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 52.656776][ T6769] ext4_dirty_inode+0xd4/0x104 [ 52.657432][ T6769] __mark_inode_dirty+0x358/0x15bc [ 52.658197][ T6769] iput+0x36c/0xfdc [ 52.658782][ T6769] dentry_unlink_inode+0x384/0x45c [ 52.659611][ T6769] __dentry_kill+0x170/0x594 [ 52.660301][ T6769] shrink_kill+0xd4/0x2cc [ 52.660935][ T6769] shrink_dentry_list+0x31c/0x6cc [ 52.661731][ T6769] shrink_dcache_tree+0xc0/0x290 [ 52.662488][ T6769] do_one_tree+0x30/0xf4 [ 52.663178][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 52.663966][ T6769] generic_shutdown_super+0x68/0x2b8 [ 52.664816][ T6769] kill_block_super+0x44/0x90 [ 52.665487][ T6769] ext4_kill_sb+0x68/0xa4 [ 52.666132][ T6769] deactivate_locked_super+0xc4/0x12c [ 52.666908][ T6769] deactivate_super+0xe0/0x100 [ 52.667620][ T6769] cleanup_mnt+0x31c/0x3ac [ 52.668419][ T6769] __cleanup_mnt+0x20/0x30 [ 52.669121][ T6769] task_work_run+0x1dc/0x260 [ 52.669841][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 52.670710][ T6769] el0_svc+0x17c/0x26c [ 52.671398][ T6769] el0t_64_sync_handler+0x84/0x12c [ 52.672272][ T6769] el0t_64_sync+0x198/0x19c [ 52.673041][ T6769] irq event stamp: 624036 [ 52.673736][ T6769] hardirqs last enabled at (624035): [] irqentry_exit+0x1b4/0x308 [ 52.675327][ T6769] hardirqs last disabled at (624036): [] el1_brk64+0x20/0x54 [ 52.676912][ T6769] softirqs last enabled at (623744): [] local_bh_enable+0x10/0x34 [ 52.678366][ T6769] softirqs last disabled at (623742): [] local_bh_disable+0x10/0x34 [ 52.679840][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 52.718712][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 52.718809][ T6769] ------------[ cut here ]------------ [ 52.718813][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 52.724152][ T6769] Modules linked in: [ 52.724787][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.726465][ T6769] Tainted: [W]=WARN [ 52.727072][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.728661][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.729838][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.730836][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.731838][ T6769] sp : ffff8000a50e7100 [ 52.732444][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e61600 x27: 0000000000000001 [ 52.733703][ T6769] x26: 0000000000000000 x25: 1fffe0001cdcc2c0 x24: ffff0000e6e615d8 [ 52.735041][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 52.736189][ T6769] x20: ffff0000c6d38068 x19: ffff0000c6d38000 x18: 1fffe00033781890 [ 52.737368][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 52.738595][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 52.739732][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 52.740966][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 52.742221][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 52.743355][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.744458][ T6769] Call trace: [ 52.744952][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 52.745975][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 52.746787][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.747694][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.748548][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 52.749508][ T6769] ext4_dirty_inode+0xd4/0x104 [ 52.750296][ T6769] __mark_inode_dirty+0x358/0x15bc [ 52.751063][ T6769] iput+0x36c/0xfdc [ 52.751601][ T6769] dentry_unlink_inode+0x384/0x45c [ 52.752404][ T6769] __dentry_kill+0x170/0x594 [ 52.753171][ T6769] shrink_kill+0xd4/0x2cc [ 52.753809][ T6769] shrink_dentry_list+0x31c/0x6cc [ 52.754532][ T6769] shrink_dcache_tree+0xc0/0x290 [ 52.755311][ T6769] do_one_tree+0x30/0xf4 [ 52.755927][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 52.756709][ T6769] generic_shutdown_super+0x68/0x2b8 [ 52.757557][ T6769] kill_block_super+0x44/0x90 [ 52.758238][ T6769] ext4_kill_sb+0x68/0xa4 [ 52.758905][ T6769] deactivate_locked_super+0xc4/0x12c [ 52.759662][ T6769] deactivate_super+0xe0/0x100 [ 52.760341][ T6769] cleanup_mnt+0x31c/0x3ac [ 52.761014][ T6769] __cleanup_mnt+0x20/0x30 [ 52.761701][ T6769] task_work_run+0x1dc/0x260 [ 52.762407][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 52.763249][ T6769] el0_svc+0x17c/0x26c [ 52.763859][ T6769] el0t_64_sync_handler+0x84/0x12c [ 52.764654][ T6769] el0t_64_sync+0x198/0x19c [ 52.765339][ T6769] irq event stamp: 630240 [ 52.765937][ T6769] hardirqs last enabled at (630239): [] irqentry_exit+0x1b4/0x308 [ 52.767297][ T6769] hardirqs last disabled at (630240): [] el1_brk64+0x20/0x54 [ 52.768563][ T6769] softirqs last enabled at (629946): [] local_bh_enable+0x10/0x34 [ 52.769878][ T6769] softirqs last disabled at (629944): [] local_bh_disable+0x10/0x34 [ 52.771215][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 52.802754][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 52.802847][ T6769] ------------[ cut here ]------------ [ 52.802851][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 52.807458][ T6769] Modules linked in: [ 52.808020][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.809579][ T6769] Tainted: [W]=WARN [ 52.810090][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.811562][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.812710][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.813763][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.814714][ T6769] sp : ffff8000a50e7100 [ 52.815334][ T6769] x29: ffff8000a50e7260 x28: ffff0000e13f4fc0 x27: 0000000000000001 [ 52.816585][ T6769] x26: 0000000000000000 x25: 1fffe0001c27e9f8 x24: ffff0000e13f4f98 [ 52.817775][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 52.818940][ T6769] x20: ffff0000da46e068 x19: ffff0000da46e000 x18: 1fffe00033781890 [ 52.820192][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 52.821430][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 52.822803][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 52.824042][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 52.825275][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 52.826442][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.827723][ T6769] Call trace: [ 52.828258][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 52.829211][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 52.829986][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.830867][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.831717][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 52.832494][ T6769] ext4_dirty_inode+0xd4/0x104 [ 52.833195][ T6769] __mark_inode_dirty+0x358/0x15bc [ 52.833939][ T6769] iput+0x36c/0xfdc [ 52.834474][ T6769] dentry_unlink_inode+0x384/0x45c [ 52.835208][ T6769] __dentry_kill+0x170/0x594 [ 52.835885][ T6769] shrink_kill+0xd4/0x2cc [ 52.836547][ T6769] shrink_dentry_list+0x31c/0x6cc [ 52.837362][ T6769] shrink_dcache_tree+0xc0/0x290 [ 52.838112][ T6769] do_one_tree+0x30/0xf4 [ 52.838732][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 52.839528][ T6769] generic_shutdown_super+0x68/0x2b8 [ 52.840291][ T6769] kill_block_super+0x44/0x90 [ 52.840976][ T6769] ext4_kill_sb+0x68/0xa4 [ 52.841625][ T6769] deactivate_locked_super+0xc4/0x12c [ 52.842438][ T6769] deactivate_super+0xe0/0x100 [ 52.843147][ T6769] cleanup_mnt+0x31c/0x3ac [ 52.843818][ T6769] __cleanup_mnt+0x20/0x30 [ 52.844497][ T6769] task_work_run+0x1dc/0x260 [ 52.845190][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 52.846089][ T6769] el0_svc+0x17c/0x26c [ 52.846652][ T6769] el0t_64_sync_handler+0x84/0x12c [ 52.847384][ T6769] el0t_64_sync+0x198/0x19c [ 52.848045][ T6769] irq event stamp: 635522 [ 52.848693][ T6769] hardirqs last enabled at (635521): [] irqentry_exit+0x1b4/0x308 [ 52.850221][ T6769] hardirqs last disabled at (635522): [] el1_brk64+0x20/0x54 [ 52.851613][ T6769] softirqs last enabled at (635118): [] local_bh_enable+0x10/0x34 [ 52.853218][ T6769] softirqs last disabled at (635116): [] local_bh_disable+0x10/0x34 [ 52.854765][ T6769] ---[ end trace 0000000000000000 ]--- [ 52.915896][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 52.917831][ T6769] ------------[ cut here ]------------ [ 52.917839][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 52.920288][ T6769] Modules linked in: [ 52.920889][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.922420][ T6769] Tainted: [W]=WARN [ 52.922926][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 52.924451][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.925646][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.926621][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 52.927624][ T6769] sp : ffff8000a50e7100 [ 52.928241][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e5d960 x27: 0000000000000001 [ 52.929512][ T6769] x26: 0000000000000000 x25: 1fffe0001cdcbb2c x24: ffff0000e6e5d938 [ 52.930698][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 52.931928][ T6769] x20: ffff0000c8826068 x19: ffff0000c8826000 x18: 1fffe0003377d090 [ 52.933247][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 52.934520][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 52.935829][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 52.937077][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 52.938285][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 52.939560][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.940784][ T6769] Call trace: [ 52.941224][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 52.942183][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 52.943015][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 52.943928][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.944725][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 52.945506][ T6769] ext4_dirty_inode+0xd4/0x104 [ 52.946244][ T6769] __mark_inode_dirty+0x358/0x15bc [ 52.947013][ T6769] iput+0x36c/0xfdc [ 52.947577][ T6769] dentry_unlink_inode+0x384/0x45c [ 52.948351][ T6769] __dentry_kill+0x170/0x594 [ 52.949070][ T6769] shrink_kill+0xd4/0x2cc [ 52.949756][ T6769] shrink_dentry_list+0x31c/0x6cc [ 52.950491][ T6769] shrink_dcache_tree+0xc0/0x290 [ 52.951232][ T6769] do_one_tree+0x30/0xf4 [ 52.951875][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 52.952759][ T6769] generic_shutdown_super+0x68/0x2b8 [ 52.953579][ T6769] kill_block_super+0x44/0x90 [ 52.954266][ T6769] ext4_kill_sb+0x68/0xa4 [ 52.955043][ T6769] deactivate_locked_super+0xc4/0x12c [ 52.955921][ T6769] deactivate_super+0xe0/0x100 [ 52.956662][ T6769] cleanup_mnt+0x31c/0x3ac [ 52.957369][ T6769] __cleanup_mnt+0x20/0x30 [ 52.958031][ T6769] task_work_run+0x1dc/0x260 [ 52.958751][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 52.959550][ T6769] el0_svc+0x17c/0x26c [ 52.960142][ T6769] el0t_64_sync_handler+0x84/0x12c [ 52.960944][ T6769] el0t_64_sync+0x198/0x19c [ 52.961660][ T6769] irq event stamp: 643674 [ 52.962338][ T6769] hardirqs last enabled at (643673): [] finish_lock_switch+0xb0/0x1c0 [ 52.963813][ T6769] hardirqs last disabled at (643674): [] el1_brk64+0x20/0x54 [ 52.965169][ T6769] softirqs last enabled at (643506): [] local_bh_enable+0x10/0x34 [ 52.966626][ T6769] softirqs last disabled at (643504): [] local_bh_disable+0x10/0x34 [ 52.968119][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 53.005234][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 53.005334][ T6769] ------------[ cut here ]------------ [ 53.005338][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 53.010565][ T6769] Modules linked in: [ 53.011233][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.013077][ T6769] Tainted: [W]=WARN [ 53.013708][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.015329][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.016537][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.017527][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.018497][ T6769] sp : ffff8000a50e7100 [ 53.019109][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c2d960 x27: 0000000000000001 [ 53.020338][ T6769] x26: 0000000000000000 x25: 1fffe0001cd85b2c x24: ffff0000e6c2d938 [ 53.021514][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 53.022697][ T6769] x20: ffff0000deb08068 x19: ffff0000deb08000 x18: 0000000000000000 [ 53.023905][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 53.025068][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 53.026318][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 53.027486][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 53.028701][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 53.029911][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.031052][ T6769] Call trace: [ 53.031571][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 53.032645][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 53.033410][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.034240][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.035072][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 53.035928][ T6769] ext4_dirty_inode+0xd4/0x104 [ 53.036619][ T6769] __mark_inode_dirty+0x358/0x15bc [ 53.037373][ T6769] iput+0x36c/0xfdc [ 53.037899][ T6769] dentry_unlink_inode+0x384/0x45c [ 53.038698][ T6769] __dentry_kill+0x170/0x594 [ 53.039363][ T6769] shrink_kill+0xd4/0x2cc [ 53.039993][ T6769] shrink_dentry_list+0x31c/0x6cc [ 53.040716][ T6769] shrink_dcache_tree+0xc0/0x290 [ 53.041427][ T6769] do_one_tree+0x30/0xf4 [ 53.042050][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 53.042843][ T6769] generic_shutdown_super+0x68/0x2b8 [ 53.043641][ T6769] kill_block_super+0x44/0x90 [ 53.044425][ T6769] ext4_kill_sb+0x68/0xa4 [ 53.045112][ T6769] deactivate_locked_super+0xc4/0x12c [ 53.045960][ T6769] deactivate_super+0xe0/0x100 [ 53.046727][ T6769] cleanup_mnt+0x31c/0x3ac [ 53.047444][ T6769] __cleanup_mnt+0x20/0x30 [ 53.048158][ T6769] task_work_run+0x1dc/0x260 [ 53.048964][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 53.049869][ T6769] el0_svc+0x17c/0x26c [ 53.050553][ T6769] el0t_64_sync_handler+0x84/0x12c [ 53.051305][ T6769] el0t_64_sync+0x198/0x19c [ 53.052023][ T6769] irq event stamp: 649458 [ 53.052664][ T6769] hardirqs last enabled at (649457): [] irqentry_exit+0x1b4/0x308 [ 53.054081][ T6769] hardirqs last disabled at (649458): [] el1_brk64+0x20/0x54 [ 53.055422][ T6769] softirqs last enabled at (649176): [] local_bh_enable+0x10/0x34 [ 53.056896][ T6769] softirqs last disabled at (649174): [] local_bh_disable+0x10/0x34 [ 53.058334][ T6769] ---[ end trace 0000000000000000 ]--- [ 53.100776][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 53.102923][ T6769] ------------[ cut here ]------------ [ 53.102931][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 53.105476][ T6769] Modules linked in: [ 53.106032][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.107584][ T6769] Tainted: [W]=WARN [ 53.108194][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.109704][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.110880][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.111891][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.113000][ T6769] sp : ffff8000a50e7100 [ 53.113648][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c6eca0 x27: 0000000000000001 [ 53.114846][ T6769] x26: 0000000000000000 x25: 1fffe0001cd8dd94 x24: ffff0000e6c6ec78 [ 53.116073][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 53.117412][ T6769] x20: ffff0000d9f52068 x19: ffff0000d9f52000 x18: 1fffe0003377d090 [ 53.118707][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 53.120024][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 53.121305][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 53.122574][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 53.123733][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 53.124909][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.126084][ T6769] Call trace: [ 53.126585][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 53.127617][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 53.128469][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.129367][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.130251][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 53.131187][ T6769] ext4_dirty_inode+0xd4/0x104 [ 53.131958][ T6769] __mark_inode_dirty+0x358/0x15bc [ 53.132770][ T6769] iput+0x36c/0xfdc [ 53.133313][ T6769] dentry_unlink_inode+0x384/0x45c [ 53.134183][ T6769] __dentry_kill+0x170/0x594 [ 53.134944][ T6769] shrink_kill+0xd4/0x2cc [ 53.135586][ T6769] shrink_dentry_list+0x31c/0x6cc [ 53.136335][ T6769] shrink_dcache_tree+0xc0/0x290 [ 53.137082][ T6769] do_one_tree+0x30/0xf4 [ 53.137712][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 53.138521][ T6769] generic_shutdown_super+0x68/0x2b8 [ 53.139399][ T6769] kill_block_super+0x44/0x90 [ 53.140108][ T6769] ext4_kill_sb+0x68/0xa4 [ 53.140800][ T6769] deactivate_locked_super+0xc4/0x12c [ 53.141656][ T6769] deactivate_super+0xe0/0x100 [ 53.142407][ T6769] cleanup_mnt+0x31c/0x3ac [ 53.143065][ T6769] __cleanup_mnt+0x20/0x30 [ 53.143720][ T6769] task_work_run+0x1dc/0x260 [ 53.144456][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 53.145218][ T6769] el0_svc+0x17c/0x26c [ 53.145805][ T6769] el0t_64_sync_handler+0x84/0x12c [ 53.146588][ T6769] el0t_64_sync+0x198/0x19c [ 53.147277][ T6769] irq event stamp: 655512 [ 53.147909][ T6769] hardirqs last enabled at (655511): [] finish_lock_switch+0xb0/0x1c0 [ 53.149368][ T6769] hardirqs last disabled at (655512): [] el1_brk64+0x20/0x54 [ 53.150699][ T6769] softirqs last enabled at (655046): [] local_bh_enable+0x10/0x34 [ 53.152136][ T6769] softirqs last disabled at (655044): [] local_bh_disable+0x10/0x34 [ 53.153691][ T6769] ---[ end trace 0000000000000000 ]--- [ 53.196075][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 53.198095][ T6769] ------------[ cut here ]------------ [ 53.198104][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 53.200756][ T6769] Modules linked in: [ 53.201359][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.202915][ T6769] Tainted: [W]=WARN [ 53.203503][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.205020][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.206210][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.207216][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.208159][ T6769] sp : ffff8000a50e7100 [ 53.208785][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e002c0 x27: 0000000000000001 [ 53.209960][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc0058 x24: ffff0000e6e00298 [ 53.211119][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 53.212471][ T6769] x20: ffff0000d0084068 x19: ffff0000d0084000 x18: 1fffe0003377d090 [ 53.213714][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 53.214918][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 53.216146][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 53.217354][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 53.218647][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 53.219940][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.221269][ T6769] Call trace: [ 53.221812][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 53.222819][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 53.223647][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.224521][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.225478][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 53.226272][ T6769] ext4_dirty_inode+0xd4/0x104 [ 53.227021][ T6769] __mark_inode_dirty+0x358/0x15bc [ 53.227762][ T6769] iput+0x36c/0xfdc [ 53.228313][ T6769] dentry_unlink_inode+0x384/0x45c [ 53.229162][ T6769] __dentry_kill+0x170/0x594 [ 53.229899][ T6769] shrink_kill+0xd4/0x2cc [ 53.230587][ T6769] shrink_dentry_list+0x31c/0x6cc [ 53.231383][ T6769] shrink_dcache_tree+0xc0/0x290 [ 53.232122][ T6769] do_one_tree+0x30/0xf4 [ 53.232815][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 53.233627][ T6769] generic_shutdown_super+0x68/0x2b8 [ 53.234452][ T6769] kill_block_super+0x44/0x90 [ 53.235170][ T6769] ext4_kill_sb+0x68/0xa4 [ 53.235813][ T6769] deactivate_locked_super+0xc4/0x12c [ 53.236623][ T6769] deactivate_super+0xe0/0x100 [ 53.237348][ T6769] cleanup_mnt+0x31c/0x3ac [ 53.237971][ T6769] __cleanup_mnt+0x20/0x30 [ 53.238616][ T6769] task_work_run+0x1dc/0x260 [ 53.239290][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 53.240065][ T6769] el0_svc+0x17c/0x26c [ 53.240689][ T6769] el0t_64_sync_handler+0x84/0x12c [ 53.241507][ T6769] el0t_64_sync+0x198/0x19c [ 53.242230][ T6769] irq event stamp: 661566 [ 53.242870][ T6769] hardirqs last enabled at (661565): [] finish_lock_switch+0xb0/0x1c0 [ 53.244290][ T6769] hardirqs last disabled at (661566): [] el1_brk64+0x20/0x54 [ 53.245661][ T6769] softirqs last enabled at (660918): [] local_bh_enable+0x10/0x34 [ 53.247117][ T6769] softirqs last disabled at (660916): [] local_bh_disable+0x10/0x34 [ 53.248550][ T6769] ---[ end trace 0000000000000000 ]--- [ 53.295296][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 53.297260][ T6769] ------------[ cut here ]------------ [ 53.297267][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 53.300087][ T6769] Modules linked in: [ 53.300738][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.302479][ T6769] Tainted: [W]=WARN [ 53.303080][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.304664][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.305897][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.306884][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.307851][ T6769] sp : ffff8000a50e7100 [ 53.308432][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c7d960 x27: 0000000000000001 [ 53.309680][ T6769] x26: 0000000000000000 x25: 1fffe0001cd8fb2c x24: ffff0000e6c7d938 [ 53.310912][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 53.312223][ T6769] x20: ffff0000c97b6068 x19: ffff0000c97b6000 x18: 1fffe0003377d090 [ 53.313433][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 53.314596][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 53.315872][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 53.317215][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 53.318438][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 53.319767][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.321016][ T6769] Call trace: [ 53.321531][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 53.322564][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 53.323390][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.324316][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.325162][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 53.326091][ T6769] ext4_dirty_inode+0xd4/0x104 [ 53.326819][ T6769] __mark_inode_dirty+0x358/0x15bc [ 53.327620][ T6769] iput+0x36c/0xfdc [ 53.328247][ T6769] dentry_unlink_inode+0x384/0x45c [ 53.329041][ T6769] __dentry_kill+0x170/0x594 [ 53.329733][ T6769] shrink_kill+0xd4/0x2cc [ 53.330429][ T6769] shrink_dentry_list+0x31c/0x6cc [ 53.331199][ T6769] shrink_dcache_tree+0xc0/0x290 [ 53.331908][ T6769] do_one_tree+0x30/0xf4 [ 53.332616][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 53.333433][ T6769] generic_shutdown_super+0x68/0x2b8 [ 53.334227][ T6769] kill_block_super+0x44/0x90 [ 53.334911][ T6769] ext4_kill_sb+0x68/0xa4 [ 53.335608][ T6769] deactivate_locked_super+0xc4/0x12c [ 53.336448][ T6769] deactivate_super+0xe0/0x100 [ 53.337130][ T6769] cleanup_mnt+0x31c/0x3ac [ 53.337816][ T6769] __cleanup_mnt+0x20/0x30 [ 53.338526][ T6769] task_work_run+0x1dc/0x260 [ 53.339267][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 53.340112][ T6769] el0_svc+0x17c/0x26c [ 53.340749][ T6769] el0t_64_sync_handler+0x84/0x12c [ 53.341552][ T6769] el0t_64_sync+0x198/0x19c [ 53.342237][ T6769] irq event stamp: 667220 [ 53.342870][ T6769] hardirqs last enabled at (667219): [] finish_lock_switch+0xb0/0x1c0 [ 53.344297][ T6769] hardirqs last disabled at (667220): [] el1_brk64+0x20/0x54 [ 53.345705][ T6769] softirqs last enabled at (667046): [] local_bh_enable+0x10/0x34 [ 53.347210][ T6769] softirqs last disabled at (667044): [] local_bh_disable+0x10/0x34 [ 53.348659][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 53.378363][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 53.378452][ T6769] ------------[ cut here ]------------ [ 53.378456][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 53.383690][ T6769] Modules linked in: [ 53.384316][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.385806][ T6769] Tainted: [W]=WARN [ 53.386336][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.387905][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.389085][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.390021][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.390998][ T6769] sp : ffff8000a50e7100 [ 53.391682][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e05960 x27: 0000000000000001 [ 53.392967][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc0b2c x24: ffff0000e6e05938 [ 53.394208][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 53.395427][ T6769] x20: ffff0000cad1e068 x19: ffff0000cad1e000 x18: 1fffe00033781890 [ 53.396645][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 53.397908][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 53.399156][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 53.400435][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 53.401647][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 53.402873][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.404112][ T6769] Call trace: [ 53.404658][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 53.405642][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 53.406418][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.407282][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.408157][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 53.409056][ T6769] ext4_dirty_inode+0xd4/0x104 [ 53.409812][ T6769] __mark_inode_dirty+0x358/0x15bc [ 53.410623][ T6769] iput+0x36c/0xfdc [ 53.411207][ T6769] dentry_unlink_inode+0x384/0x45c [ 53.411981][ T6769] __dentry_kill+0x170/0x594 [ 53.412684][ T6769] shrink_kill+0xd4/0x2cc [ 53.413407][ T6769] shrink_dentry_list+0x31c/0x6cc [ 53.414166][ T6769] shrink_dcache_tree+0xc0/0x290 [ 53.414933][ T6769] do_one_tree+0x30/0xf4 [ 53.415568][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 53.416431][ T6769] generic_shutdown_super+0x68/0x2b8 [ 53.417193][ T6769] kill_block_super+0x44/0x90 [ 53.417899][ T6769] ext4_kill_sb+0x68/0xa4 [ 53.418606][ T6769] deactivate_locked_super+0xc4/0x12c [ 53.419420][ T6769] deactivate_super+0xe0/0x100 [ 53.420059][ T6769] cleanup_mnt+0x31c/0x3ac [ 53.420705][ T6769] __cleanup_mnt+0x20/0x30 [ 53.421513][ T6769] task_work_run+0x1dc/0x260 [ 53.422219][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 53.423050][ T6769] el0_svc+0x17c/0x26c [ 53.423719][ T6769] el0t_64_sync_handler+0x84/0x12c [ 53.424525][ T6769] el0t_64_sync+0x198/0x19c [ 53.425254][ T6769] irq event stamp: 672666 [ 53.425933][ T6769] hardirqs last enabled at (672665): [] irqentry_exit+0x1b4/0x308 [ 53.427426][ T6769] hardirqs last disabled at (672666): [] el1_brk64+0x20/0x54 [ 53.428810][ T6769] softirqs last enabled at (672390): [] local_bh_enable+0x10/0x34 [ 53.430286][ T6769] softirqs last disabled at (672388): [] local_bh_disable+0x10/0x34 [ 53.431773][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 53.471660][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 53.471748][ T6769] ------------[ cut here ]------------ [ 53.471752][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 53.476997][ T6769] Modules linked in: [ 53.477616][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.479285][ T6769] Tainted: [W]=WARN [ 53.479872][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.481415][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.482604][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.483539][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.484510][ T6769] sp : ffff8000a50e7100 [ 53.485081][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c21fa0 x27: 0000000000000001 [ 53.486188][ T6769] x26: 0000000000000000 x25: 1fffe0001cd843f4 x24: ffff0000e6c21f78 [ 53.487374][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 53.488564][ T6769] x20: ffff0000c84a2068 x19: ffff0000c84a2000 x18: 1fffe00033781890 [ 53.489772][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 53.491015][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 53.492221][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 53.493450][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 53.494664][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 53.495869][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.497087][ T6769] Call trace: [ 53.497573][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 53.498615][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 53.499408][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.500232][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.501103][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 53.501868][ T6769] ext4_dirty_inode+0xd4/0x104 [ 53.502546][ T6769] __mark_inode_dirty+0x358/0x15bc [ 53.503287][ T6769] iput+0x36c/0xfdc [ 53.503870][ T6769] dentry_unlink_inode+0x384/0x45c [ 53.504662][ T6769] __dentry_kill+0x170/0x594 [ 53.505329][ T6769] shrink_kill+0xd4/0x2cc [ 53.506068][ T6769] shrink_dentry_list+0x31c/0x6cc [ 53.506908][ T6769] shrink_dcache_tree+0xc0/0x290 [ 53.507666][ T6769] do_one_tree+0x30/0xf4 [ 53.508395][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 53.509321][ T6769] generic_shutdown_super+0x68/0x2b8 [ 53.510458][ T6769] kill_block_super+0x44/0x90 [ 53.511197][ T6769] ext4_kill_sb+0x68/0xa4 [ 53.511896][ T6769] deactivate_locked_super+0xc4/0x12c [ 53.512747][ T6769] deactivate_super+0xe0/0x100 [ 53.513494][ T6769] cleanup_mnt+0x31c/0x3ac [ 53.514195][ T6769] __cleanup_mnt+0x20/0x30 [ 53.514893][ T6769] task_work_run+0x1dc/0x260 [ 53.515609][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 53.516521][ T6769] el0_svc+0x17c/0x26c [ 53.517168][ T6769] el0t_64_sync_handler+0x84/0x12c [ 53.518007][ T6769] el0t_64_sync+0x198/0x19c [ 53.518729][ T6769] irq event stamp: 678000 [ 53.519420][ T6769] hardirqs last enabled at (677999): [] irqentry_exit+0x1b4/0x308 [ 53.520903][ T6769] hardirqs last disabled at (678000): [] el1_brk64+0x20/0x54 [ 53.522304][ T6769] softirqs last enabled at (677644): [] local_bh_enable+0x10/0x34 [ 53.523842][ T6769] softirqs last disabled at (677642): [] local_bh_disable+0x10/0x34 [ 53.525282][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 53.564557][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 53.564649][ T6769] ------------[ cut here ]------------ [ 53.564654][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 53.569372][ T6769] Modules linked in: [ 53.570021][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.571743][ T6769] Tainted: [W]=WARN [ 53.572350][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.573731][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.575019][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.576103][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.577127][ T6769] sp : ffff8000a50e7100 [ 53.577771][ T6769] x29: ffff8000a50e7260 x28: ffff0000e1166300 x27: 0000000000000001 [ 53.579051][ T6769] x26: 0000000000000000 x25: 1fffe0001c22cc60 x24: ffff0000e11662d8 [ 53.580311][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 53.581570][ T6769] x20: ffff0000cba04068 x19: ffff0000cba04000 x18: 1fffe00033781890 [ 53.582810][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 53.584034][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 53.585274][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 53.586526][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 53.587757][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 53.589016][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.590248][ T6769] Call trace: [ 53.590700][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 53.591719][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 53.592453][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.593354][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.594275][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 53.595102][ T6769] ext4_dirty_inode+0xd4/0x104 [ 53.595861][ T6769] __mark_inode_dirty+0x358/0x15bc [ 53.596664][ T6769] iput+0x36c/0xfdc [ 53.597273][ T6769] dentry_unlink_inode+0x384/0x45c [ 53.598036][ T6769] __dentry_kill+0x170/0x594 [ 53.598722][ T6769] shrink_kill+0xd4/0x2cc [ 53.599393][ T6769] shrink_dentry_list+0x31c/0x6cc [ 53.600130][ T6769] shrink_dcache_tree+0xc0/0x290 [ 53.600878][ T6769] do_one_tree+0x30/0xf4 [ 53.601504][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 53.602328][ T6769] generic_shutdown_super+0x68/0x2b8 [ 53.603039][ T6769] kill_block_super+0x44/0x90 [ 53.603761][ T6769] ext4_kill_sb+0x68/0xa4 [ 53.604408][ T6769] deactivate_locked_super+0xc4/0x12c [ 53.605202][ T6769] deactivate_super+0xe0/0x100 [ 53.605964][ T6769] cleanup_mnt+0x31c/0x3ac [ 53.606619][ T6769] __cleanup_mnt+0x20/0x30 [ 53.607256][ T6769] task_work_run+0x1dc/0x260 [ 53.607956][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 53.608709][ T6769] el0_svc+0x17c/0x26c [ 53.609293][ T6769] el0t_64_sync_handler+0x84/0x12c [ 53.610107][ T6769] el0t_64_sync+0x198/0x19c [ 53.610770][ T6769] irq event stamp: 683872 [ 53.611395][ T6769] hardirqs last enabled at (683871): [] irqentry_exit+0x1b4/0x308 [ 53.612841][ T6769] hardirqs last disabled at (683872): [] el1_brk64+0x20/0x54 [ 53.614156][ T6769] softirqs last enabled at (683604): [] local_bh_enable+0x10/0x34 [ 53.615544][ T6769] softirqs last disabled at (683602): [] local_bh_disable+0x10/0x34 [ 53.616994][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 53.650619][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 53.650714][ T6769] ------------[ cut here ]------------ [ 53.650718][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 53.655233][ T6769] Modules linked in: [ 53.655787][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.657360][ T6769] Tainted: [W]=WARN [ 53.657885][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.659410][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.660542][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.661511][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.662477][ T6769] sp : ffff8000a50e7100 [ 53.663078][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c27640 x27: 0000000000000001 [ 53.664212][ T6769] x26: 0000000000000000 x25: 1fffe0001cd84ec8 x24: ffff0000e6c27618 [ 53.665436][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 53.666742][ T6769] x20: ffff0000ce398068 x19: ffff0000ce398000 x18: 1fffe00033781890 [ 53.667985][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 53.669259][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 53.670497][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 53.671668][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 53.672923][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 53.674124][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.675279][ T6769] Call trace: [ 53.675773][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 53.676758][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 53.677517][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.678251][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.679028][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 53.679835][ T6769] ext4_dirty_inode+0xd4/0x104 [ 53.680599][ T6769] __mark_inode_dirty+0x358/0x15bc [ 53.681378][ T6769] iput+0x36c/0xfdc [ 53.681941][ T6769] dentry_unlink_inode+0x384/0x45c [ 53.682658][ T6769] __dentry_kill+0x170/0x594 [ 53.683320][ T6769] shrink_kill+0xd4/0x2cc [ 53.683932][ T6769] shrink_dentry_list+0x31c/0x6cc [ 53.684666][ T6769] shrink_dcache_tree+0xc0/0x290 [ 53.685438][ T6769] do_one_tree+0x30/0xf4 [ 53.686034][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 53.686751][ T6769] generic_shutdown_super+0x68/0x2b8 [ 53.687511][ T6769] kill_block_super+0x44/0x90 [ 53.688236][ T6769] ext4_kill_sb+0x68/0xa4 [ 53.688862][ T6769] deactivate_locked_super+0xc4/0x12c [ 53.689716][ T6769] deactivate_super+0xe0/0x100 [ 53.690440][ T6769] cleanup_mnt+0x31c/0x3ac [ 53.691098][ T6769] __cleanup_mnt+0x20/0x30 [ 53.691787][ T6769] task_work_run+0x1dc/0x260 [ 53.692432][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 53.693182][ T6769] el0_svc+0x17c/0x26c [ 53.693797][ T6769] el0t_64_sync_handler+0x84/0x12c [ 53.694641][ T6769] el0t_64_sync+0x198/0x19c [ 53.695331][ T6769] irq event stamp: 690392 [ 53.696009][ T6769] hardirqs last enabled at (690391): [] irqentry_exit+0x1b4/0x308 [ 53.697423][ T6769] hardirqs last disabled at (690392): [] el1_brk64+0x20/0x54 [ 53.698956][ T6769] softirqs last enabled at (690110): [] handle_softirqs+0xaf8/0xc88 [ 53.700494][ T6769] softirqs last disabled at (689335): [] __do_softirq+0x14/0x20 [ 53.701926][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 53.725315][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 53.725406][ T6769] ------------[ cut here ]------------ [ 53.725410][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 53.729943][ T6769] Modules linked in: [ 53.730557][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.732161][ T6769] Tainted: [W]=WARN [ 53.732747][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.734285][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.735524][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.736520][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.737513][ T6769] sp : ffff8000a50e7100 [ 53.738136][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e75960 x27: 0000000000000001 [ 53.739357][ T6769] x26: 0000000000000000 x25: 1fffe0001cdceb2c x24: ffff0000e6e75938 [ 53.740542][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 53.741728][ T6769] x20: ffff0000d560a068 x19: ffff0000d560a000 x18: 00000000ffffffff [ 53.742817][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 53.743961][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 53.745188][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 53.746420][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 53.747639][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 53.748873][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.750074][ T6769] Call trace: [ 53.750572][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 53.751548][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 53.752305][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.753169][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.753943][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 53.754753][ T6769] ext4_dirty_inode+0xd4/0x104 [ 53.755312][ T6769] __mark_inode_dirty+0x358/0x15bc [ 53.756097][ T6769] iput+0x36c/0xfdc [ 53.756605][ T6769] dentry_unlink_inode+0x384/0x45c [ 53.757339][ T6769] __dentry_kill+0x170/0x594 [ 53.757983][ T6769] shrink_kill+0xd4/0x2cc [ 53.758583][ T6769] shrink_dentry_list+0x31c/0x6cc [ 53.759289][ T6769] shrink_dcache_tree+0xc0/0x290 [ 53.760031][ T6769] do_one_tree+0x30/0xf4 [ 53.760622][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 53.761466][ T6769] generic_shutdown_super+0x68/0x2b8 [ 53.762201][ T6769] kill_block_super+0x44/0x90 [ 53.762969][ T6769] ext4_kill_sb+0x68/0xa4 [ 53.763637][ T6769] deactivate_locked_super+0xc4/0x12c [ 53.764510][ T6769] deactivate_super+0xe0/0x100 [ 53.765224][ T6769] cleanup_mnt+0x31c/0x3ac [ 53.765862][ T6769] __cleanup_mnt+0x20/0x30 [ 53.766471][ T6769] task_work_run+0x1dc/0x260 [ 53.767141][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 53.767876][ T6769] el0_svc+0x17c/0x26c [ 53.768441][ T6769] el0t_64_sync_handler+0x84/0x12c [ 53.769150][ T6769] el0t_64_sync+0x198/0x19c [ 53.769777][ T6769] irq event stamp: 695480 [ 53.770380][ T6769] hardirqs last enabled at (695479): [] irqentry_exit+0x1b4/0x308 [ 53.771687][ T6769] hardirqs last disabled at (695480): [] el1_brk64+0x20/0x54 [ 53.772942][ T6769] softirqs last enabled at (695140): [] local_bh_enable+0x10/0x34 [ 53.774265][ T6769] softirqs last disabled at (695138): [] local_bh_disable+0x10/0x34 [ 53.775711][ T6769] ---[ end trace 0000000000000000 ]--- [ 53.826885][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 53.828927][ T6769] ------------[ cut here ]------------ [ 53.828935][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 53.831687][ T6769] Modules linked in: [ 53.832303][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.833991][ T6769] Tainted: [W]=WARN [ 53.834575][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.836080][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.837222][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.838187][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.839171][ T6769] sp : ffff8000a50e7100 [ 53.839798][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e71600 x27: 0000000000000001 [ 53.841017][ T6769] x26: 0000000000000000 x25: 1fffe0001cdce2c0 x24: ffff0000e6e715d8 [ 53.842206][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 53.843418][ T6769] x20: ffff0000d4056068 x19: ffff0000d4056000 x18: 1fffe0003377d090 [ 53.844581][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 53.845785][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 53.847042][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 53.848306][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 53.849597][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 53.850813][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.852105][ T6769] Call trace: [ 53.852591][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 53.853641][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 53.854457][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.855301][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.856149][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 53.857013][ T6769] ext4_dirty_inode+0xd4/0x104 [ 53.857801][ T6769] __mark_inode_dirty+0x358/0x15bc [ 53.858606][ T6769] iput+0x36c/0xfdc [ 53.859227][ T6769] dentry_unlink_inode+0x384/0x45c [ 53.859998][ T6769] __dentry_kill+0x170/0x594 [ 53.860717][ T6769] shrink_kill+0xd4/0x2cc [ 53.861399][ T6769] shrink_dentry_list+0x31c/0x6cc [ 53.862117][ T6769] shrink_dcache_tree+0xc0/0x290 [ 53.862831][ T6769] do_one_tree+0x30/0xf4 [ 53.863428][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 53.864215][ T6769] generic_shutdown_super+0x68/0x2b8 [ 53.865018][ T6769] kill_block_super+0x44/0x90 [ 53.865712][ T6769] ext4_kill_sb+0x68/0xa4 [ 53.866393][ T6769] deactivate_locked_super+0xc4/0x12c [ 53.867232][ T6769] deactivate_super+0xe0/0x100 [ 53.868002][ T6769] cleanup_mnt+0x31c/0x3ac [ 53.868702][ T6769] __cleanup_mnt+0x20/0x30 [ 53.869351][ T6769] task_work_run+0x1dc/0x260 [ 53.870039][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 53.870839][ T6769] el0_svc+0x17c/0x26c [ 53.871437][ T6769] el0t_64_sync_handler+0x84/0x12c [ 53.872162][ T6769] el0t_64_sync+0x198/0x19c [ 53.872869][ T6769] irq event stamp: 701244 [ 53.873548][ T6769] hardirqs last enabled at (701243): [] finish_lock_switch+0xb0/0x1c0 [ 53.874959][ T6769] hardirqs last disabled at (701244): [] el1_brk64+0x20/0x54 [ 53.876349][ T6769] softirqs last enabled at (700954): [] local_bh_enable+0x10/0x34 [ 53.877773][ T6769] softirqs last disabled at (700952): [] local_bh_disable+0x10/0x34 [ 53.879190][ T6769] ---[ end trace 0000000000000000 ]--- [ 53.933737][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 53.935755][ T6769] ------------[ cut here ]------------ [ 53.935763][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 53.938094][ T6769] Modules linked in: [ 53.938689][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.940407][ T6769] Tainted: [W]=WARN [ 53.940928][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 53.942432][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.943499][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.944438][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 53.945387][ T6769] sp : ffff8000a50e7100 [ 53.946000][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6d90c60 x27: 0000000000000001 [ 53.947182][ T6769] x26: 0000000000000000 x25: 1fffe0001cdb218c x24: ffff0000e6d90c38 [ 53.948387][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 53.949633][ T6769] x20: ffff0000cee7a068 x19: ffff0000cee7a000 x18: 1fffe0003377d090 [ 53.950782][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 53.952023][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 53.953237][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 53.954460][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 53.955723][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 53.956923][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.958152][ T6769] Call trace: [ 53.958628][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 53.959636][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 53.960437][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 53.961324][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.962074][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 53.962896][ T6769] ext4_dirty_inode+0xd4/0x104 [ 53.963587][ T6769] __mark_inode_dirty+0x358/0x15bc [ 53.964478][ T6769] iput+0x36c/0xfdc [ 53.965058][ T6769] dentry_unlink_inode+0x384/0x45c [ 53.965835][ T6769] __dentry_kill+0x170/0x594 [ 53.966503][ T6769] shrink_kill+0xd4/0x2cc [ 53.967153][ T6769] shrink_dentry_list+0x31c/0x6cc [ 53.967862][ T6769] shrink_dcache_tree+0xc0/0x290 [ 53.968541][ T6769] do_one_tree+0x30/0xf4 [ 53.969121][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 53.969881][ T6769] generic_shutdown_super+0x68/0x2b8 [ 53.970720][ T6769] kill_block_super+0x44/0x90 [ 53.971434][ T6769] ext4_kill_sb+0x68/0xa4 [ 53.972064][ T6769] deactivate_locked_super+0xc4/0x12c [ 53.972868][ T6769] deactivate_super+0xe0/0x100 [ 53.973679][ T6769] cleanup_mnt+0x31c/0x3ac [ 53.974386][ T6769] __cleanup_mnt+0x20/0x30 [ 53.975059][ T6769] task_work_run+0x1dc/0x260 [ 53.975767][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 53.976606][ T6769] el0_svc+0x17c/0x26c [ 53.977229][ T6769] el0t_64_sync_handler+0x84/0x12c [ 53.978018][ T6769] el0t_64_sync+0x198/0x19c [ 53.978767][ T6769] irq event stamp: 706854 [ 53.979440][ T6769] hardirqs last enabled at (706853): [] finish_lock_switch+0xb0/0x1c0 [ 53.980875][ T6769] hardirqs last disabled at (706854): [] el1_brk64+0x20/0x54 [ 53.982184][ T6769] softirqs last enabled at (706688): [] local_bh_enable+0x10/0x34 [ 53.983778][ T6769] softirqs last disabled at (706686): [] local_bh_disable+0x10/0x34 [ 53.985201][ T6769] ---[ end trace 0000000000000000 ]--- [ 54.036386][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 54.038644][ T6769] ------------[ cut here ]------------ [ 54.038651][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 54.041272][ T6769] Modules linked in: [ 54.041889][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.043574][ T6769] Tainted: [W]=WARN [ 54.044115][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.045692][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.046857][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 54.047808][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 54.048831][ T6769] sp : ffff8000a50e7100 [ 54.049469][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6dfcfc0 x27: 0000000000000001 [ 54.050743][ T6769] x26: 0000000000000000 x25: 1fffe0001cdbf9f8 x24: ffff0000e6dfcf98 [ 54.051977][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 54.053215][ T6769] x20: ffff0000e09ce068 x19: ffff0000e09ce000 x18: 1fffe0003377d090 [ 54.054452][ T6769] x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001 [ 54.055757][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 54.057102][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 54.058339][ T6769] x8 : 82c39b324be99d00 x7 : ffff80008049ea88 x6 : 0000000000000000 [ 54.059585][ T6769] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260 [ 54.060798][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.061992][ T6769] Call trace: [ 54.062453][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 54.063449][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 54.064202][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.065053][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.066000][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 54.066888][ T6769] ext4_dirty_inode+0xd4/0x104 [ 54.067634][ T6769] __mark_inode_dirty+0x358/0x15bc [ 54.068430][ T6769] iput+0x36c/0xfdc [ 54.069008][ T6769] dentry_unlink_inode+0x384/0x45c [ 54.069812][ T6769] __dentry_kill+0x170/0x594 [ 54.070497][ T6769] shrink_kill+0xd4/0x2cc [ 54.071143][ T6769] shrink_dentry_list+0x31c/0x6cc [ 54.071943][ T6769] shrink_dcache_tree+0xc0/0x290 [ 54.072708][ T6769] do_one_tree+0x30/0xf4 [ 54.073342][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 54.074191][ T6769] generic_shutdown_super+0x68/0x2b8 [ 54.075029][ T6769] kill_block_super+0x44/0x90 [ 54.075759][ T6769] ext4_kill_sb+0x68/0xa4 [ 54.076398][ T6769] deactivate_locked_super+0xc4/0x12c [ 54.077210][ T6769] deactivate_super+0xe0/0x100 [ 54.077959][ T6769] cleanup_mnt+0x31c/0x3ac [ 54.078654][ T6769] __cleanup_mnt+0x20/0x30 [ 54.079325][ T6769] task_work_run+0x1dc/0x260 [ 54.080094][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 54.081052][ T6769] el0_svc+0x17c/0x26c [ 54.081737][ T6769] el0t_64_sync_handler+0x84/0x12c [ 54.082603][ T6769] el0t_64_sync+0x198/0x19c [ 54.083281][ T6769] irq event stamp: 712150 [ 54.083961][ T6769] hardirqs last enabled at (712149): [] finish_lock_switch+0xb0/0x1c0 [ 54.085526][ T6769] hardirqs last disabled at (712150): [] el1_brk64+0x20/0x54 [ 54.086937][ T6769] softirqs last enabled at (711990): [] local_bh_enable+0x10/0x34 [ 54.088439][ T6769] softirqs last disabled at (711988): [] local_bh_disable+0x10/0x34 [ 54.089913][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 54.145886][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 54.145993][ T6769] ------------[ cut here ]------------ [ 54.145997][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 54.150847][ T6769] Modules linked in: [ 54.151463][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.153120][ T6769] Tainted: [W]=WARN [ 54.153682][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.155311][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.156653][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 54.157647][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 54.158641][ T6769] sp : ffff8000a50e7100 [ 54.159308][ T6769] x29: ffff8000a50e7260 x28: ffff0000e1396300 x27: 0000000000000001 [ 54.160611][ T6769] x26: 0000000000000000 x25: 1fffe0001c272c60 x24: ffff0000e13962d8 [ 54.161927][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 54.163151][ T6769] x20: ffff0000e0566068 x19: ffff0000e0566000 x18: 1fffe00033781890 [ 54.164376][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 54.165607][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 54.166822][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 54.168089][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 54.169290][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 54.170524][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.171837][ T6769] Call trace: [ 54.172315][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 54.173327][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 54.174132][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.175027][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.175878][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 54.176645][ T6769] ext4_dirty_inode+0xd4/0x104 [ 54.177349][ T6769] __mark_inode_dirty+0x358/0x15bc [ 54.178086][ T6769] iput+0x36c/0xfdc [ 54.178653][ T6769] dentry_unlink_inode+0x384/0x45c [ 54.179460][ T6769] __dentry_kill+0x170/0x594 [ 54.180116][ T6769] shrink_kill+0xd4/0x2cc [ 54.180746][ T6769] shrink_dentry_list+0x31c/0x6cc [ 54.181494][ T6769] shrink_dcache_tree+0xc0/0x290 [ 54.182198][ T6769] do_one_tree+0x30/0xf4 [ 54.182844][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 54.183628][ T6769] generic_shutdown_super+0x68/0x2b8 [ 54.184388][ T6769] kill_block_super+0x44/0x90 [ 54.185101][ T6769] ext4_kill_sb+0x68/0xa4 [ 54.185754][ T6769] deactivate_locked_super+0xc4/0x12c [ 54.186573][ T6769] deactivate_super+0xe0/0x100 [ 54.187237][ T6769] cleanup_mnt+0x31c/0x3ac [ 54.187887][ T6769] __cleanup_mnt+0x20/0x30 [ 54.188558][ T6769] task_work_run+0x1dc/0x260 [ 54.189243][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 54.190043][ T6769] el0_svc+0x17c/0x26c [ 54.190615][ T6769] el0t_64_sync_handler+0x84/0x12c [ 54.191341][ T6769] el0t_64_sync+0x198/0x19c [ 54.191970][ T6769] irq event stamp: 718594 [ 54.192606][ T6769] hardirqs last enabled at (718593): [] irqentry_exit+0x1b4/0x308 [ 54.193981][ T6769] hardirqs last disabled at (718594): [] el1_brk64+0x20/0x54 [ 54.195208][ T6769] softirqs last enabled at (718326): [] local_bh_enable+0x10/0x34 [ 54.196483][ T6769] softirqs last disabled at (718324): [] local_bh_disable+0x10/0x34 [ 54.197939][ T6769] ---[ end trace 0000000000000000 ]--- 1970/01/01 00:00:54 executed programs: 95 [ ** replaying previous printk message ** [ 54.234616][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 54.234715][ T6769] ------------[ cut here ]------------ [ 54.234720][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 54.239694][ T6769] Modules linked in: [ 54.240454][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.242172][ T6769] Tainted: [W]=WARN [ 54.242821][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.244451][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.245695][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 54.246737][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 54.247742][ T6769] sp : ffff8000a50e7100 [ 54.248458][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e29600 x27: 0000000000000001 [ 54.249882][ T6769] x26: 0000000000000000 x25: 1fffe0001cdc52c0 x24: ffff0000e6e295d8 [ 54.251203][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 54.252518][ T6769] x20: ffff0000d00ba068 x19: ffff0000d00ba000 x18: 1fffe00033781890 [ 54.253779][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 54.255061][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 54.256490][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 54.257835][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 54.259125][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 54.260402][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.261689][ T6769] Call trace: [ 54.262173][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 54.263170][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 54.264032][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.264994][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.265885][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 54.266727][ T6769] ext4_dirty_inode+0xd4/0x104 [ 54.267467][ T6769] __mark_inode_dirty+0x358/0x15bc [ 54.268271][ T6769] iput+0x36c/0xfdc [ 54.268898][ T6769] dentry_unlink_inode+0x384/0x45c [ 54.269712][ T6769] __dentry_kill+0x170/0x594 [ 54.270410][ T6769] shrink_kill+0xd4/0x2cc [ 54.271086][ T6769] shrink_dentry_list+0x31c/0x6cc [ 54.271823][ T6769] shrink_dcache_tree+0xc0/0x290 [ 54.272546][ T6769] do_one_tree+0x30/0xf4 [ 54.273226][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 54.274096][ T6769] generic_shutdown_super+0x68/0x2b8 [ 54.274916][ T6769] kill_block_super+0x44/0x90 [ 54.275663][ T6769] ext4_kill_sb+0x68/0xa4 [ 54.276336][ T6769] deactivate_locked_super+0xc4/0x12c [ 54.277122][ T6769] deactivate_super+0xe0/0x100 [ 54.277791][ T6769] cleanup_mnt+0x31c/0x3ac [ 54.278475][ T6769] __cleanup_mnt+0x20/0x30 [ 54.279155][ T6769] task_work_run+0x1dc/0x260 [ 54.279841][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 54.280673][ T6769] el0_svc+0x17c/0x26c [ 54.281308][ T6769] el0t_64_sync_handler+0x84/0x12c [ 54.282171][ T6769] el0t_64_sync+0x198/0x19c [ 54.282843][ T6769] irq event stamp: 724014 [ 54.283494][ T6769] hardirqs last enabled at (724013): [] irqentry_exit+0x1b4/0x308 [ 54.284973][ T6769] hardirqs last disabled at (724014): [] el1_brk64+0x20/0x54 [ 54.286428][ T6769] softirqs last enabled at (723746): [] local_bh_enable+0x10/0x34 [ 54.287961][ T6769] softirqs last disabled at (723744): [] local_bh_disable+0x10/0x34 [ 54.289440][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 54.338166][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 54.338260][ T6769] ------------[ cut here ]------------ [ 54.338265][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#1: syz-executor.0/6769 [ 54.343025][ T6769] Modules linked in: [ 54.343665][ T6769] CPU: 1 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.345293][ T6769] Tainted: [W]=WARN [ 54.345873][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.347506][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.348713][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 54.349689][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 54.350735][ T6769] sp : ffff8000a50e7100 [ 54.351377][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6c46300 x27: 0000000000000001 [ 54.352645][ T6769] x26: 0000000000000000 x25: 1fffe0001cd88c60 x24: ffff0000e6c462d8 [ 54.353917][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 54.355117][ T6769] x20: ffff0000d1562068 x19: ffff0000d1562000 x18: 1fffe00033781890 [ 54.356245][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 54.357422][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 54.358644][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 54.359893][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 54.361120][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 54.362339][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.363579][ T6769] Call trace: [ 54.364032][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 54.364932][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 54.365709][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.366567][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.367438][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 54.368248][ T6769] ext4_dirty_inode+0xd4/0x104 [ 54.368945][ T6769] __mark_inode_dirty+0x358/0x15bc [ 54.369720][ T6769] iput+0x36c/0xfdc [ 54.370459][ T6769] dentry_unlink_inode+0x384/0x45c [ 54.371276][ T6769] __dentry_kill+0x170/0x594 [ 54.371929][ T6769] shrink_kill+0xd4/0x2cc [ 54.372629][ T6769] shrink_dentry_list+0x31c/0x6cc [ 54.373454][ T6769] shrink_dcache_tree+0xc0/0x290 [ 54.374235][ T6769] do_one_tree+0x30/0xf4 [ 54.374916][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 54.375787][ T6769] generic_shutdown_super+0x68/0x2b8 [ 54.376636][ T6769] kill_block_super+0x44/0x90 [ 54.377333][ T6769] ext4_kill_sb+0x68/0xa4 [ 54.378077][ T6769] deactivate_locked_super+0xc4/0x12c [ 54.378927][ T6769] deactivate_super+0xe0/0x100 [ 54.379712][ T6769] cleanup_mnt+0x31c/0x3ac [ 54.380448][ T6769] __cleanup_mnt+0x20/0x30 [ 54.381220][ T6769] task_work_run+0x1dc/0x260 [ 54.381974][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 54.382852][ T6769] el0_svc+0x17c/0x26c [ 54.383495][ T6769] el0t_64_sync_handler+0x84/0x12c [ 54.384324][ T6769] el0t_64_sync+0x198/0x19c [ 54.385068][ T6769] irq event stamp: 729476 [ 54.385781][ T6769] hardirqs last enabled at (729475): [] irqentry_exit+0x1b4/0x308 [ 54.387350][ T6769] hardirqs last disabled at (729476): [] el1_brk64+0x20/0x54 [ 54.388817][ T6769] softirqs last enabled at (729142): [] local_bh_enable+0x10/0x34 [ 54.390369][ T6769] softirqs last disabled at (729140): [] local_bh_disable+0x10/0x34 [ 54.391856][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 54.440272][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 54.440369][ T6769] ------------[ cut here ]------------ [ 54.440374][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 54.445090][ T6769] Modules linked in: [ 54.445661][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.447293][ T6769] Tainted: [W]=WARN [ 54.447907][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.449349][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.450551][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 54.451567][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 54.452551][ T6769] sp : ffff8000a50e7100 [ 54.453213][ T6769] x29: ffff8000a50e7260 x28: ffff0000e139c620 x27: 0000000000000001 [ 54.454408][ T6769] x26: 0000000000000000 x25: 1fffe0001c2738c4 x24: ffff0000e139c5f8 [ 54.455518][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 54.456764][ T6769] x20: ffff0000cfff4068 x19: ffff0000cfff4000 x18: 0000000000000000 [ 54.457997][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 54.459339][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 54.460631][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 54.461935][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 54.463253][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 54.464506][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.465726][ T6769] Call trace: [ 54.466247][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 54.467293][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 54.468172][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.469106][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.470014][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 54.470874][ T6769] ext4_dirty_inode+0xd4/0x104 [ 54.471621][ T6769] __mark_inode_dirty+0x358/0x15bc [ 54.472424][ T6769] iput+0x36c/0xfdc [ 54.473020][ T6769] dentry_unlink_inode+0x384/0x45c [ 54.473907][ T6769] __dentry_kill+0x170/0x594 [ 54.474630][ T6769] shrink_kill+0xd4/0x2cc [ 54.475225][ T6769] shrink_dentry_list+0x31c/0x6cc [ 54.475999][ T6769] shrink_dcache_tree+0xc0/0x290 [ 54.476713][ T6769] do_one_tree+0x30/0xf4 [ 54.477368][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 54.478200][ T6769] generic_shutdown_super+0x68/0x2b8 [ 54.479031][ T6769] kill_block_super+0x44/0x90 [ 54.479708][ T6769] ext4_kill_sb+0x68/0xa4 [ 54.480403][ T6769] deactivate_locked_super+0xc4/0x12c [ 54.481283][ T6769] deactivate_super+0xe0/0x100 [ 54.482051][ T6769] cleanup_mnt+0x31c/0x3ac [ 54.482733][ T6769] __cleanup_mnt+0x20/0x30 [ 54.483401][ T6769] task_work_run+0x1dc/0x260 [ 54.484097][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 54.484992][ T6769] el0_svc+0x17c/0x26c [ 54.485589][ T6769] el0t_64_sync_handler+0x84/0x12c [ 54.486366][ T6769] el0t_64_sync+0x198/0x19c [ 54.487013][ T6769] irq event stamp: 735492 [ 54.487674][ T6769] hardirqs last enabled at (735491): [] irqentry_exit+0x1b4/0x308 [ 54.489085][ T6769] hardirqs last disabled at (735492): [] el1_brk64+0x20/0x54 [ 54.490515][ T6769] softirqs last enabled at (735328): [] handle_softirqs+0xaf8/0xc88 [ 54.492029][ T6769] softirqs last disabled at (734557): [] __do_softirq+0x14/0x20 [ 54.493420][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 54.545644][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 54.545741][ T6769] ------------[ cut here ]------------ [ 54.545746][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 54.550605][ T6769] Modules linked in: [ 54.551253][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.552841][ T6769] Tainted: [W]=WARN [ 54.553480][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.554935][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.556117][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 54.557184][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 54.558107][ T6769] sp : ffff8000a50e7100 [ 54.558742][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6da4620 x27: 0000000000000001 [ 54.559947][ T6769] x26: 0000000000000000 x25: 1fffe0001cdb48c4 x24: ffff0000e6da45f8 [ 54.561122][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 54.562384][ T6769] x20: ffff0000d117c068 x19: ffff0000d117c000 x18: 1fffe0003377d090 [ 54.563621][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 54.564776][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 54.565887][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 54.567085][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 54.568229][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 54.569428][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.570736][ T6769] Call trace: [ 54.571214][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 54.572206][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 54.572923][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.573740][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.574643][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 54.575463][ T6769] ext4_dirty_inode+0xd4/0x104 [ 54.576149][ T6769] __mark_inode_dirty+0x358/0x15bc [ 54.576855][ T6769] iput+0x36c/0xfdc [ 54.577417][ T6769] dentry_unlink_inode+0x384/0x45c [ 54.578170][ T6769] __dentry_kill+0x170/0x594 [ 54.578838][ T6769] shrink_kill+0xd4/0x2cc [ 54.579433][ T6769] shrink_dentry_list+0x31c/0x6cc [ 54.580140][ T6769] shrink_dcache_tree+0xc0/0x290 [ 54.580870][ T6769] do_one_tree+0x30/0xf4 [ 54.581497][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 54.582489][ T6769] generic_shutdown_super+0x68/0x2b8 [ 54.583356][ T6769] kill_block_super+0x44/0x90 [ 54.584069][ T6769] ext4_kill_sb+0x68/0xa4 [ 54.584780][ T6769] deactivate_locked_super+0xc4/0x12c [ 54.585650][ T6769] deactivate_super+0xe0/0x100 [ 54.586425][ T6769] cleanup_mnt+0x31c/0x3ac [ 54.587073][ T6769] __cleanup_mnt+0x20/0x30 [ 54.587783][ T6769] task_work_run+0x1dc/0x260 [ 54.588493][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 54.589308][ T6769] el0_svc+0x17c/0x26c [ 54.589947][ T6769] el0t_64_sync_handler+0x84/0x12c [ 54.590766][ T6769] el0t_64_sync+0x198/0x19c [ 54.591542][ T6769] irq event stamp: 741992 [ 54.592241][ T6769] hardirqs last enabled at (741991): [] irqentry_exit+0x1b4/0x308 [ 54.593622][ T6769] hardirqs last disabled at (741992): [] el1_brk64+0x20/0x54 [ 54.594944][ T6769] softirqs last enabled at (741808): [] local_bh_enable+0x10/0x34 [ 54.596410][ T6769] softirqs last disabled at (741806): [] local_bh_disable+0x10/0x34 [ 54.597779][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 54.642493][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 54.642607][ T6769] ------------[ cut here ]------------ [ 54.642613][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 54.647703][ T6769] Modules linked in: [ 54.648333][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.650070][ T6769] Tainted: [W]=WARN [ 54.650652][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.652324][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.653563][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 54.654533][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 54.655418][ T6769] sp : ffff8000a50e7100 [ 54.656011][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6d99fa0 x27: 0000000000000001 [ 54.657173][ T6769] x26: 0000000000000000 x25: 1fffe0001cdb33f4 x24: ffff0000e6d99f78 [ 54.658352][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 54.659533][ T6769] x20: ffff0000d4128068 x19: ffff0000d4128000 x18: 00000000ffffffff [ 54.660769][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 54.661977][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 54.663189][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 54.664354][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 54.665510][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 54.666734][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.668076][ T6769] Call trace: [ 54.668717][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 54.669825][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 54.670666][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.671608][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.672430][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 54.673258][ T6769] ext4_dirty_inode+0xd4/0x104 [ 54.673946][ T6769] __mark_inode_dirty+0x358/0x15bc [ 54.674683][ T6769] iput+0x36c/0xfdc [ 54.675214][ T6769] dentry_unlink_inode+0x384/0x45c [ 54.676001][ T6769] __dentry_kill+0x170/0x594 [ 54.676633][ T6769] shrink_kill+0xd4/0x2cc [ 54.677243][ T6769] shrink_dentry_list+0x31c/0x6cc [ 54.677953][ T6769] shrink_dcache_tree+0xc0/0x290 [ 54.678674][ T6769] do_one_tree+0x30/0xf4 [ 54.679315][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 54.680157][ T6769] generic_shutdown_super+0x68/0x2b8 [ 54.680971][ T6769] kill_block_super+0x44/0x90 [ 54.681657][ T6769] ext4_kill_sb+0x68/0xa4 [ 54.682327][ T6769] deactivate_locked_super+0xc4/0x12c [ 54.683120][ T6769] deactivate_super+0xe0/0x100 [ 54.683995][ T6769] cleanup_mnt+0x31c/0x3ac [ 54.684696][ T6769] __cleanup_mnt+0x20/0x30 [ 54.685347][ T6769] task_work_run+0x1dc/0x260 [ 54.686098][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 54.686948][ T6769] el0_svc+0x17c/0x26c [ 54.687562][ T6769] el0t_64_sync_handler+0x84/0x12c [ 54.688348][ T6769] el0t_64_sync+0x198/0x19c [ 54.689036][ T6769] irq event stamp: 748262 [ 54.689695][ T6769] hardirqs last enabled at (748261): [] irqentry_exit+0x1b4/0x308 [ 54.691148][ T6769] hardirqs last disabled at (748262): [] el1_brk64+0x20/0x54 [ 54.692449][ T6769] softirqs last enabled at (747686): [] handle_softirqs+0xaf8/0xc88 [ 54.693882][ T6769] softirqs last disabled at (747577): [] __do_softirq+0x14/0x20 [ 54.695267][ T6769] ---[ end trace 0000000000000000 ]--- [ ** replaying previous printk message ** [ 54.738576][ T6769] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting [ 54.738672][ T6769] ------------[ cut here ]------------ [ 54.738676][ T6769] WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac, CPU#0: syz-executor.0/6769 [ 54.743407][ T6769] Modules linked in: [ 54.744026][ T6769] CPU: 0 UID: 0 PID: 6769 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.745492][ T6769] Tainted: [W]=WARN [ 54.746184][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 54.747634][ T6769] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.748802][ T6769] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 54.749834][ T6769] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac [ 54.750823][ T6769] sp : ffff8000a50e7100 [ 54.751440][ T6769] x29: ffff8000a50e7260 x28: ffff0000e6e7eca0 x27: 0000000000000001 [ 54.752706][ T6769] x26: 0000000000000000 x25: 1fffe0001cdcfd94 x24: ffff0000e6e7ec78 [ 54.754013][ T6769] x23: ffff700014a1ce34 x22: 0000000000000000 x21: dfff800000000000 [ 54.755266][ T6769] x20: ffff0000c3bf6068 x19: ffff0000c3bf6000 x18: 1fffe0003377d090 [ 54.756621][ T6769] x17: 6572203a38373431 x16: ffff800082e5e68c x15: 0000000000000001 [ 54.757932][ T6769] x14: 1ffff00014a1cd74 x13: 0000000000000000 x12: 0000000000000000 [ 54.759172][ T6769] x11: ffff700014a1cd75 x10: 0000000000ff0100 x9 : 82c39b324be99d00 [ 54.760404][ T6769] x8 : 82c39b324be99d00 x7 : ffff8000805761f8 x6 : 0000000000000000 [ 54.761711][ T6769] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f1260 [ 54.763004][ T6769] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.764304][ T6769] Call trace: [ 54.764798][ T6769] ext4_xattr_inode_lookup_create+0x874/0x17ac (P) [ 54.765805][ T6769] ext4_xattr_block_set+0x1bc/0x24bc [ 54.766657][ T6769] ext4_expand_extra_isize_ea+0xeb8/0x1830 [ 54.767588][ T6769] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.768491][ T6769] __ext4_mark_inode_dirty+0x3a8/0x6fc [ 54.769278][ T6769] ext4_dirty_inode+0xd4/0x104 [ 54.769973][ T6769] __mark_inode_dirty+0x358/0x15bc [ 54.770734][ T6769] iput+0x36c/0xfdc [ 54.771279][ T6769] dentry_unlink_inode+0x384/0x45c [ 54.772010][ T6769] __dentry_kill+0x170/0x594 [ 54.772682][ T6769] shrink_kill+0xd4/0x2cc [ 54.773317][ T6769] shrink_dentry_list+0x31c/0x6cc [ 54.774083][ T6769] shrink_dcache_tree+0xc0/0x290 [ 54.774802][ T6769] do_one_tree+0x30/0xf4 [ 54.775427][ T6769] shrink_dcache_for_umount+0xa0/0x168 [ 54.776221][ T6769] generic_shutdown_super+0x68/0x2b8 [ 54.776978][ T6769] kill_block_super+0x44/0x90 [ 54.777660][ T6769] ext4_kill_sb+0x68/0xa4 [ 54.778260][ T6769] deactivate_locked_super+0xc4/0x12c [ 54.779099][ T6769] deactivate_super+0xe0/0x100 [ 54.779828][ T6769] cleanup_mnt+0x31c/0x3ac [ 54.780485][ T6769] __cleanup_mnt+0x20/0x30 [ 54.781110][ T6769] task_work_run+0x1dc/0x260 [ 54.781774][ T6769] exit_to_user_mode_loop+0x10c/0x18c [ 54.782521][ T6769] el0_svc+0x17c/0x26c [ 54.783101][ T6769] el0t_64_sync_handler+0x84/0x12c [ 54.783840][ T6769] el0t_64_sync+0x198/0x19c [ 54.784487][ T6769] irq event stamp: 755258 [ 54.785120][ T6769] hardirqs last enabled at (755257): [] irqentry_exit+0x1b4/0x308 [ 54.786483][ T6769] hardirqs last disabled at (755258): [] el1_brk64+0x20/0x54 [ 54.787822][ T6769] softirqs last enabled at (755160): [] local_bh_enable+0x10/0x34 [ 54.789209][ T6769] softirqs last disabled at (755158): [] local_bh_disable+0x10/0x34 [ 54.790787][ T6769] ---[ end trace 0000000000000000 ]---