Warning: Permanently added '10.128.1.123' (ED25519) to the list of known hosts. 1970/01/01 00:00:44 ignoring optional flag "type"="gce" 1970/01/01 00:00:44 parsed 1 programs 1970/01/01 00:00:44 executed programs: 0 [ 44.283203][ T6869] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 44.299023][ T6117] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.300808][ T6117] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.303880][ T6117] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.307025][ T6117] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.307505][ T6117] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 44.352896][ T6875] chnl_net:caif_netlink_parms(): no params data found [ 44.372165][ T6875] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.372235][ T6875] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.372286][ T6875] bridge_slave_0: entered allmulticast mode [ 44.372700][ T6875] bridge_slave_0: entered promiscuous mode [ 44.373397][ T6875] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.373453][ T6875] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.373602][ T6875] bridge_slave_1: entered allmulticast mode [ 44.373980][ T6875] bridge_slave_1: entered promiscuous mode [ 44.387537][ T6875] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 44.388332][ T6875] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 44.395648][ T6875] team0: Port device team_slave_0 added [ 44.396330][ T6875] team0: Port device team_slave_1 added [ 44.404190][ T6875] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 44.404223][ T6875] 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 1560 would solve the problem. [ 44.404236][ T6875] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 44.404757][ T6875] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 44.404764][ T6875] 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 1560 would solve the problem. [ 44.404777][ T6875] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 44.422589][ T6875] hsr_slave_0: entered promiscuous mode [ 44.422853][ T6875] hsr_slave_1: entered promiscuous mode [ 44.829528][ T6875] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 44.832311][ T6875] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 44.835057][ T6875] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 44.837357][ T6875] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 44.854725][ T6875] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.854771][ T6875] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.854855][ T6875] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.854884][ T6875] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.873244][ T6875] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.878713][ T247] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.880091][ T247] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.888870][ T6875] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.891140][ T247] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.891193][ T247] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.894471][ T247] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.894518][ T247] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.902716][ T6875] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 44.903237][ T6875] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 44.947741][ T6875] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.964570][ T6875] veth0_vlan: entered promiscuous mode [ 44.967278][ T6875] veth1_vlan: entered promiscuous mode [ 44.976966][ T6875] veth0_macvtap: entered promiscuous mode [ 44.979217][ T6875] veth1_macvtap: entered promiscuous mode [ 44.987553][ T6875] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.991905][ T6875] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.995852][ T42] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.997676][ T42] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.999206][ T42] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.000717][ T42] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.051207][ T6972] loop0: detected capacity change from 0 to 1024 [ 45.080768][ T6972] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 45.095850][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 45.095954][ T6875] ------------[ cut here ]------------ [ 45.095958][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.100727][ T6875] Modules linked in: [ 45.101367][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 45.102802][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 45.104485][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.105767][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.106751][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.107755][ T6875] sp : ffff80009e2a7100 [ 45.108433][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4e89f70 x27: 1fffe0001c9d13ee [ 45.109656][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 45.110927][ T6875] x23: ffff0000e4e89f48 x22: 0000000000000000 x21: dfff800000000000 [ 45.112224][ T6875] x20: ffff0000cca8e068 x19: ffff0000cca8e000 x18: 00000000ffffffff [ 45.113563][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 45.114858][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 45.116152][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 45.117469][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 45.118795][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 45.120042][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 45.121275][ T6875] Call trace: [ 45.121796][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 45.122852][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 45.123704][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 45.124659][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 45.125582][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 45.126475][ T6875] ext4_dirty_inode+0xd4/0x104 [ 45.127299][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 45.128108][ T6875] iput+0x1cc/0x83c [ 45.128732][ T6875] dentry_unlink_inode+0x384/0x45c [ 45.129568][ T6875] __dentry_kill+0x170/0x594 [ 45.130311][ T6875] shrink_kill+0xd4/0x2cc [ 45.131002][ T6875] shrink_dentry_list+0x31c/0x6cc [ 45.131780][ T6875] shrink_dcache_parent+0xac/0x27c [ 45.132537][ T6875] do_one_tree+0x2c/0xf0 [ 45.133149][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 45.133968][ T6875] generic_shutdown_super+0x68/0x2b8 [ 45.134757][ T6875] kill_block_super+0x44/0x90 [ 45.135448][ T6875] ext4_kill_sb+0x68/0xa4 [ 45.136050][ T6875] deactivate_locked_super+0xc4/0x12c [ 45.136850][ T6875] deactivate_super+0xe0/0x100 [ 45.137545][ T6875] cleanup_mnt+0x31c/0x3ac [ 45.138177][ T6875] __cleanup_mnt+0x20/0x30 [ 45.138817][ T6875] task_work_run+0x1dc/0x260 [ 45.139492][ T6875] do_notify_resume+0x174/0x1f4 [ 45.140203][ T6875] el0_svc+0xb8/0x180 [ 45.140841][ T6875] el0t_64_sync_handler+0x84/0x12c [ 45.141607][ T6875] el0t_64_sync+0x198/0x19c [ 45.142258][ T6875] irq event stamp: 148690 [ 45.142898][ T6875] hardirqs last enabled at (148689): [] exit_to_kernel_mode+0xc0/0xf0 [ 45.144388][ T6875] hardirqs last disabled at (148690): [] el1_brk64+0x1c/0x48 [ 45.145651][ T6875] softirqs last enabled at (148592): [] local_bh_enable+0x10/0x34 [ 45.146966][ T6875] softirqs last disabled at (148590): [] local_bh_disable+0x10/0x34 [ 45.148359][ T6875] ---[ end trace 0000000000000000 ]--- [ 45.152187][ T6875] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2848: Unable to expand inode 14. Delete some EAs or run e2fsck. [ 45.155244][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 45.171753][ T6985] loop0: detected capacity change from 0 to 1024 [ 45.199703][ T6985] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 45.222656][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 45.222759][ T6875] ------------[ cut here ]------------ [ 45.222763][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.227607][ T6875] Modules linked in: [ 45.228250][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 45.229823][ T6875] Tainted: [W]=WARN [ 45.230387][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 45.231905][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.233062][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.234090][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.235088][ T6875] sp : ffff80009e2a7100 [ 45.235714][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4e8f580 x27: 1fffe0001c9d1eb0 [ 45.236875][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 45.238037][ T6875] x23: ffff0000e4e8f558 x22: 0000000000000000 x21: dfff800000000000 [ 45.239148][ T6875] x20: ffff0000cd68e068 x19: ffff0000cd68e000 x18: 0000000000000000 [ 45.240276][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 45.241435][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 45.242574][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 45.243742][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 45.244865][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 45.245963][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 45.247140][ T6875] Call trace: [ 45.247588][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 45.248492][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 45.249214][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 45.250045][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 45.250847][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 45.251596][ T6875] ext4_dirty_inode+0xd4/0x104 [ 45.252265][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 45.253154][ T6875] iput+0x1cc/0x83c [ 45.253841][ T6875] dentry_unlink_inode+0x384/0x45c [ 45.254754][ T6875] __dentry_kill+0x170/0x594 [ 45.255584][ T6875] shrink_kill+0xd4/0x2cc [ 45.256340][ T6875] shrink_dentry_list+0x31c/0x6cc [ 45.257182][ T6875] shrink_dcache_parent+0xac/0x27c [ 45.258097][ T6875] do_one_tree+0x2c/0xf0 [ 45.258806][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 45.259820][ T6875] generic_shutdown_super+0x68/0x2b8 [ 45.260694][ T6875] kill_block_super+0x44/0x90 [ 45.261484][ T6875] ext4_kill_sb+0x68/0xa4 [ 45.262162][ T6875] deactivate_locked_super+0xc4/0x12c [ 45.263051][ T6875] deactivate_super+0xe0/0x100 [ 45.263857][ T6875] cleanup_mnt+0x31c/0x3ac [ 45.264564][ T6875] __cleanup_mnt+0x20/0x30 [ 45.265289][ T6875] task_work_run+0x1dc/0x260 [ 45.266061][ T6875] do_notify_resume+0x174/0x1f4 [ 45.266821][ T6875] el0_svc+0xb8/0x180 [ 45.267415][ T6875] el0t_64_sync_handler+0x84/0x12c [ 45.268190][ T6875] el0t_64_sync+0x198/0x19c [ 45.268918][ T6875] irq event stamp: 153860 [ 45.269575][ T6875] hardirqs last enabled at (153859): [] exit_to_kernel_mode+0xc0/0xf0 [ 45.271103][ T6875] hardirqs last disabled at (153860): [] el1_brk64+0x1c/0x48 [ 45.272628][ T6875] softirqs last enabled at (153688): [] local_bh_enable+0x10/0x34 [ 45.274220][ T6875] softirqs last disabled at (153686): [] local_bh_disable+0x10/0x34 [ 45.275614][ T6875] ---[ end trace 0000000000000000 ]--- [ 45.281023][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 45.299519][ T7000] loop0: detected capacity change from 0 to 1024 [ 45.327174][ T7000] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 45.333383][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 45.333487][ T6875] ------------[ cut here ]------------ [ 45.333493][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.338570][ T6875] Modules linked in: [ 45.339168][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 45.340740][ T6875] Tainted: [W]=WARN [ 45.341267][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 45.342897][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.344116][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.345080][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.346087][ T6875] sp : ffff80009e2a7100 [ 45.346802][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4e94f40 x27: 1fffe0001c9d29e8 [ 45.348170][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 45.349533][ T6875] x23: ffff0000e4e94f18 x22: 0000000000000000 x21: dfff800000000000 [ 45.350872][ T6875] x20: ffff0000ce58a068 x19: ffff0000ce58a000 x18: 1fffe0003379be88 [ 45.352102][ T6875] x17: 6572203a39363431 x16: ffff80008b007290 x15: 0000000000000001 [ 45.353353][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 45.354577][ T6875] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 45.355826][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 45.357022][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 45.358255][ T6875] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 45.359526][ T6875] Call trace: [ 45.360073][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 45.361126][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 45.361989][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 45.362924][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 45.363784][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 45.364666][ T6875] ext4_dirty_inode+0xd4/0x104 [ 45.365383][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 45.366202][ T6875] iput+0x1cc/0x83c [ 45.366827][ T6875] dentry_unlink_inode+0x384/0x45c [ 45.367557][ T6875] __dentry_kill+0x170/0x594 [ 45.368240][ T6875] shrink_kill+0xd4/0x2cc [ 45.368887][ T6875] shrink_dentry_list+0x31c/0x6cc [ 45.369649][ T6875] shrink_dcache_parent+0xac/0x27c [ 45.370510][ T6875] do_one_tree+0x2c/0xf0 [ 45.371214][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 45.372184][ T6875] generic_shutdown_super+0x68/0x2b8 [ 45.373035][ T6875] kill_block_super+0x44/0x90 [ 45.373753][ T6875] ext4_kill_sb+0x68/0xa4 [ 45.374481][ T6875] deactivate_locked_super+0xc4/0x12c [ 45.375306][ T6875] deactivate_super+0xe0/0x100 [ 45.376155][ T6875] cleanup_mnt+0x31c/0x3ac [ 45.376894][ T6875] __cleanup_mnt+0x20/0x30 [ 45.377581][ T6875] task_work_run+0x1dc/0x260 [ 45.378253][ T6875] do_notify_resume+0x174/0x1f4 [ 45.379055][ T6875] el0_svc+0xb8/0x180 [ 45.379715][ T6875] el0t_64_sync_handler+0x84/0x12c [ 45.380543][ T6875] el0t_64_sync+0x198/0x19c [ 45.381332][ T6875] irq event stamp: 159554 [ 45.382056][ T6875] hardirqs last enabled at (159553): [] exit_to_kernel_mode+0xc0/0xf0 [ 45.383698][ T6875] hardirqs last disabled at (159554): [] el1_brk64+0x1c/0x48 [ 45.385091][ T6875] softirqs last enabled at (159374): [] local_bh_enable+0x10/0x34 [ 45.386527][ T6875] softirqs last disabled at (159372): [] local_bh_disable+0x10/0x34 [ 45.388006][ T6875] ---[ end trace 0000000000000000 ]--- [ 45.391743][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 45.423391][ T7015] loop0: detected capacity change from 0 to 1024 [ 45.457088][ T7015] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 45.462739][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 45.462833][ T6875] ------------[ cut here ]------------ [ 45.462838][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.467185][ T6875] Modules linked in: [ 45.467820][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 45.469536][ T6875] Tainted: [W]=WARN [ 45.470106][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 45.471804][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.472959][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.473923][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.474867][ T6875] sp : ffff80009e2a7100 [ 45.475527][ T6875] x29: ffff80009e2a7260 x28: ffff0000dd9145b0 x27: 1fffe0001bb228b6 [ 45.476832][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 45.478064][ T6875] x23: ffff0000dd914588 x22: 0000000000000000 x21: dfff800000000000 [ 45.479286][ T6875] x20: ffff0000cea84068 x19: ffff0000cea84000 x18: 1fffe0003379be88 [ 45.480483][ T6875] x17: 6572203a39363431 x16: ffff80008b007290 x15: 0000000000000001 [ 45.481654][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 45.482815][ T6875] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 45.483980][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 45.485356][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 45.486727][ T6875] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 45.488034][ T6875] Call trace: [ 45.488596][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 45.489684][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 45.490476][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 45.491327][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 45.492134][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 45.493083][ T6875] ext4_dirty_inode+0xd4/0x104 [ 45.493878][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 45.494754][ T6875] iput+0x1cc/0x83c [ 45.495405][ T6875] dentry_unlink_inode+0x384/0x45c [ 45.496271][ T6875] __dentry_kill+0x170/0x594 [ 45.497067][ T6875] shrink_kill+0xd4/0x2cc [ 45.497770][ T6875] shrink_dentry_list+0x31c/0x6cc [ 45.498611][ T6875] shrink_dcache_parent+0xac/0x27c [ 45.499506][ T6875] do_one_tree+0x2c/0xf0 [ 45.500189][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 45.501092][ T6875] generic_shutdown_super+0x68/0x2b8 [ 45.501938][ T6875] kill_block_super+0x44/0x90 [ 45.502667][ T6875] ext4_kill_sb+0x68/0xa4 [ 45.503373][ T6875] deactivate_locked_super+0xc4/0x12c [ 45.504266][ T6875] deactivate_super+0xe0/0x100 [ 45.505018][ T6875] cleanup_mnt+0x31c/0x3ac [ 45.505718][ T6875] __cleanup_mnt+0x20/0x30 [ 45.506380][ T6875] task_work_run+0x1dc/0x260 [ 45.507069][ T6875] do_notify_resume+0x174/0x1f4 [ 45.507835][ T6875] el0_svc+0xb8/0x180 [ 45.508424][ T6875] el0t_64_sync_handler+0x84/0x12c [ 45.509298][ T6875] el0t_64_sync+0x198/0x19c [ 45.510036][ T6875] irq event stamp: 166634 [ 45.510734][ T6875] hardirqs last enabled at (166633): [] exit_to_kernel_mode+0xc0/0xf0 [ 45.512344][ T6875] hardirqs last disabled at (166634): [] el1_brk64+0x1c/0x48 [ 45.513677][ T6875] softirqs last enabled at (166374): [] local_bh_enable+0x10/0x34 [ 45.515080][ T6875] softirqs last disabled at (166372): [] local_bh_disable+0x10/0x34 [ 45.516539][ T6875] ---[ end trace 0000000000000000 ]--- [ 45.520554][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 45.547848][ T7032] loop0: detected capacity change from 0 to 1024 [ 45.564379][ T7032] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 45.568474][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 45.570553][ T6875] ------------[ cut here ]------------ [ 45.570562][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.572656][ T6875] Modules linked in: [ 45.573218][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 45.575027][ T6875] Tainted: [W]=WARN [ 45.575679][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 45.577281][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.578538][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.579559][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.580569][ T6875] sp : ffff80009e2a7100 [ 45.581220][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4e9e260 x27: 1fffe0001c9d3c4c [ 45.582430][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 45.583632][ T6875] x23: ffff0000e4e9e238 x22: 0000000000000000 x21: dfff800000000000 [ 45.584944][ T6875] x20: ffff0000daef8068 x19: ffff0000daef8000 x18: 1fffe000337a0688 [ 45.586157][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 45.587397][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 45.588704][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 45.589893][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 45.591017][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 45.592213][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 45.593530][ T6875] Call trace: [ 45.594037][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 45.594988][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 45.595838][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 45.596829][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 45.597710][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 45.598555][ T6875] ext4_dirty_inode+0xd4/0x104 [ 45.599269][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 45.600021][ T6875] iput+0x1cc/0x83c [ 45.600561][ T6875] dentry_unlink_inode+0x384/0x45c [ 45.601343][ T6875] __dentry_kill+0x170/0x594 [ 45.602018][ T6875] shrink_kill+0xd4/0x2cc [ 45.602719][ T6875] shrink_dentry_list+0x31c/0x6cc [ 45.603466][ T6875] shrink_dcache_parent+0xac/0x27c [ 45.604297][ T6875] do_one_tree+0x2c/0xf0 [ 45.605008][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 45.605845][ T6875] generic_shutdown_super+0x68/0x2b8 [ 45.606709][ T6875] kill_block_super+0x44/0x90 [ 45.607439][ T6875] ext4_kill_sb+0x68/0xa4 [ 45.608098][ T6875] deactivate_locked_super+0xc4/0x12c [ 45.608942][ T6875] deactivate_super+0xe0/0x100 [ 45.609735][ T6875] cleanup_mnt+0x31c/0x3ac [ 45.610482][ T6875] __cleanup_mnt+0x20/0x30 [ 45.611228][ T6875] task_work_run+0x1dc/0x260 [ 45.612000][ T6875] do_notify_resume+0x174/0x1f4 [ 45.612762][ T6875] el0_svc+0xb8/0x180 [ 45.613397][ T6875] el0t_64_sync_handler+0x84/0x12c [ 45.614160][ T6875] el0t_64_sync+0x198/0x19c [ 45.614844][ T6875] irq event stamp: 171270 [ 45.615475][ T6875] hardirqs last enabled at (171269): [] finish_lock_switch+0xb0/0x1c0 [ 45.616877][ T6875] hardirqs last disabled at (171270): [] el1_brk64+0x1c/0x48 [ 45.618130][ T6875] softirqs last enabled at (170986): [] local_bh_enable+0x10/0x34 [ 45.619611][ T6875] softirqs last disabled at (170984): [] local_bh_disable+0x10/0x34 [ 45.621145][ T6875] ---[ end trace 0000000000000000 ]--- [ 45.624937][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 45.638891][ T7045] loop0: detected capacity change from 0 to 1024 [ 45.655887][ T7045] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 45.675709][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 45.677805][ T6875] ------------[ cut here ]------------ [ 45.677812][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.680122][ T6875] Modules linked in: [ 45.680734][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 45.682309][ T6875] Tainted: [W]=WARN [ 45.682870][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 45.684387][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.685640][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.686630][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.687713][ T6875] sp : ffff80009e2a7100 [ 45.688337][ T6875] x29: ffff80009e2a7260 x28: ffff0000e541a900 x27: 1fffe0001ca83520 [ 45.689480][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 45.690649][ T6875] x23: ffff0000e541a8d8 x22: 0000000000000000 x21: dfff800000000000 [ 45.691754][ T6875] x20: ffff0000db47c068 x19: ffff0000db47c000 x18: 1fffe000337a0688 [ 45.692856][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 45.693956][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 45.695066][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 45.696218][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 45.697305][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 45.698434][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 45.699534][ T6875] Call trace: [ 45.699999][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 45.700905][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 45.701618][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 45.702411][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 45.703199][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 45.703974][ T6875] ext4_dirty_inode+0xd4/0x104 [ 45.704743][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 45.705597][ T6875] iput+0x1cc/0x83c [ 45.706197][ T6875] dentry_unlink_inode+0x384/0x45c [ 45.706962][ T6875] __dentry_kill+0x170/0x594 [ 45.707735][ T6875] shrink_kill+0xd4/0x2cc [ 45.708357][ T6875] shrink_dentry_list+0x31c/0x6cc [ 45.709082][ T6875] shrink_dcache_parent+0xac/0x27c [ 45.709815][ T6875] do_one_tree+0x2c/0xf0 [ 45.710419][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 45.711229][ T6875] generic_shutdown_super+0x68/0x2b8 [ 45.712078][ T6875] kill_block_super+0x44/0x90 [ 45.712780][ T6875] ext4_kill_sb+0x68/0xa4 [ 45.713498][ T6875] deactivate_locked_super+0xc4/0x12c [ 45.714298][ T6875] deactivate_super+0xe0/0x100 [ 45.715025][ T6875] cleanup_mnt+0x31c/0x3ac [ 45.715642][ T6875] __cleanup_mnt+0x20/0x30 [ 45.716269][ T6875] task_work_run+0x1dc/0x260 [ 45.717004][ T6875] do_notify_resume+0x174/0x1f4 [ 45.717686][ T6875] el0_svc+0xb8/0x180 [ 45.718295][ T6875] el0t_64_sync_handler+0x84/0x12c [ 45.719009][ T6875] el0t_64_sync+0x198/0x19c [ 45.719731][ T6875] irq event stamp: 175982 [ 45.720467][ T6875] hardirqs last enabled at (175981): [] finish_lock_switch+0xb0/0x1c0 [ 45.721882][ T6875] hardirqs last disabled at (175982): [] el1_brk64+0x1c/0x48 [ 45.723218][ T6875] softirqs last enabled at (175700): [] local_bh_enable+0x10/0x34 [ 45.724588][ T6875] softirqs last disabled at (175698): [] local_bh_disable+0x10/0x34 [ 45.726107][ T6875] ---[ end trace 0000000000000000 ]--- [ 45.730633][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 45.751998][ T7057] loop0: detected capacity change from 0 to 1024 [ 45.776915][ T7057] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 45.790444][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 45.792443][ T6875] ------------[ cut here ]------------ [ 45.792449][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.794896][ T6875] Modules linked in: [ 45.795535][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 45.797138][ T6875] Tainted: [W]=WARN [ 45.797704][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 45.799304][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.800587][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.801618][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.802626][ T6875] sp : ffff80009e2a7100 [ 45.803297][ T6875] x29: ffff80009e2a7260 x28: ffff0000e541ebf0 x27: 1fffe0001ca83d7e [ 45.804544][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 45.805740][ T6875] x23: ffff0000e541ebc8 x22: 0000000000000000 x21: dfff800000000000 [ 45.806938][ T6875] x20: ffff0000d8540068 x19: ffff0000d8540000 x18: 1fffe000337a0688 [ 45.808125][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 45.809241][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 45.810449][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 45.811637][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 45.812825][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 45.813927][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 45.815032][ T6875] Call trace: [ 45.815493][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 45.816390][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 45.817303][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 45.818191][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 45.819149][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 45.820056][ T6875] ext4_dirty_inode+0xd4/0x104 [ 45.820823][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 45.821679][ T6875] iput+0x1cc/0x83c [ 45.822295][ T6875] dentry_unlink_inode+0x384/0x45c [ 45.823121][ T6875] __dentry_kill+0x170/0x594 [ 45.823880][ T6875] shrink_kill+0xd4/0x2cc [ 45.824503][ T6875] shrink_dentry_list+0x31c/0x6cc [ 45.825263][ T6875] shrink_dcache_parent+0xac/0x27c [ 45.826050][ T6875] do_one_tree+0x2c/0xf0 [ 45.826698][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 45.827490][ T6875] generic_shutdown_super+0x68/0x2b8 [ 45.828264][ T6875] kill_block_super+0x44/0x90 [ 45.828942][ T6875] ext4_kill_sb+0x68/0xa4 [ 45.829597][ T6875] deactivate_locked_super+0xc4/0x12c [ 45.830361][ T6875] deactivate_super+0xe0/0x100 [ 45.831003][ T6875] cleanup_mnt+0x31c/0x3ac [ 45.831625][ T6875] __cleanup_mnt+0x20/0x30 [ 45.832229][ T6875] task_work_run+0x1dc/0x260 [ 45.832960][ T6875] do_notify_resume+0x174/0x1f4 [ 45.833764][ T6875] el0_svc+0xb8/0x180 [ 45.834370][ T6875] el0t_64_sync_handler+0x84/0x12c [ 45.835156][ T6875] el0t_64_sync+0x198/0x19c [ 45.835859][ T6875] irq event stamp: 181382 [ 45.836553][ T6875] hardirqs last enabled at (181381): [] finish_lock_switch+0xb0/0x1c0 [ 45.838106][ T6875] hardirqs last disabled at (181382): [] el1_brk64+0x1c/0x48 [ 45.839565][ T6875] softirqs last enabled at (181126): [] local_bh_enable+0x10/0x34 [ 45.840999][ T6875] softirqs last disabled at (181124): [] local_bh_disable+0x10/0x34 [ 45.842410][ T6875] ---[ end trace 0000000000000000 ]--- [ 45.848090][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 45.883260][ T7074] loop0: detected capacity change from 0 to 1024 [ 45.907183][ T7074] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 45.912865][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 45.912960][ T6875] ------------[ cut here ]------------ [ 45.912966][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.917316][ T6875] Modules linked in: [ 45.917957][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 45.919647][ T6875] Tainted: [W]=WARN [ 45.920246][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 45.921819][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 45.923033][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.924065][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 45.925076][ T6875] sp : ffff80009e2a7100 [ 45.925757][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5414f40 x27: 1fffe0001ca829e8 [ 45.927022][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 45.928269][ T6875] x23: ffff0000e5414f18 x22: 0000000000000000 x21: dfff800000000000 [ 45.929582][ T6875] x20: ffff0000d1ed2068 x19: ffff0000d1ed2000 x18: 1fffe0003379be88 [ 45.930929][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 45.932274][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 45.933522][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 45.934749][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 45.936090][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 45.937377][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 45.938745][ T6875] Call trace: [ 45.939325][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 45.940461][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 45.941372][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 45.942300][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 45.943202][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 45.944119][ T6875] ext4_dirty_inode+0xd4/0x104 [ 45.944976][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 45.945744][ T6875] iput+0x1cc/0x83c [ 45.946360][ T6875] dentry_unlink_inode+0x384/0x45c [ 45.947109][ T6875] __dentry_kill+0x170/0x594 [ 45.947755][ T6875] shrink_kill+0xd4/0x2cc [ 45.948372][ T6875] shrink_dentry_list+0x31c/0x6cc [ 45.949184][ T6875] shrink_dcache_parent+0xac/0x27c [ 45.950037][ T6875] do_one_tree+0x2c/0xf0 [ 45.950750][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 45.951552][ T6875] generic_shutdown_super+0x68/0x2b8 [ 45.952355][ T6875] kill_block_super+0x44/0x90 [ 45.953006][ T6875] ext4_kill_sb+0x68/0xa4 [ 45.953787][ T6875] deactivate_locked_super+0xc4/0x12c [ 45.954689][ T6875] deactivate_super+0xe0/0x100 [ 45.955484][ T6875] cleanup_mnt+0x31c/0x3ac [ 45.956300][ T6875] __cleanup_mnt+0x20/0x30 [ 45.957034][ T6875] task_work_run+0x1dc/0x260 [ 45.957762][ T6875] do_notify_resume+0x174/0x1f4 [ 45.958503][ T6875] el0_svc+0xb8/0x180 [ 45.959101][ T6875] el0t_64_sync_handler+0x84/0x12c [ 45.959943][ T6875] el0t_64_sync+0x198/0x19c [ 45.960703][ T6875] irq event stamp: 186626 [ 45.961417][ T6875] hardirqs last enabled at (186625): [] exit_to_kernel_mode+0xc0/0xf0 [ 45.962927][ T6875] hardirqs last disabled at (186626): [] el1_brk64+0x1c/0x48 [ 45.964230][ T6875] softirqs last enabled at (186456): [] local_bh_enable+0x10/0x34 [ 45.965627][ T6875] softirqs last disabled at (186454): [] local_bh_disable+0x10/0x34 [ 45.967010][ T6875] ---[ end trace 0000000000000000 ]--- [ 45.972680][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.007304][ T7091] loop0: detected capacity change from 0 to 1024 [ 46.037322][ T7091] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.040518][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 46.040610][ T6875] ------------[ cut here ]------------ [ 46.040616][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.044641][ T6875] Modules linked in: [ 46.045216][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.046730][ T6875] Tainted: [W]=WARN [ 46.047274][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 46.048899][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.050124][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.051057][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.052051][ T6875] sp : ffff80009e2a7100 [ 46.052714][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4ea8c50 x27: 1fffe0001c9d518a [ 46.054000][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 46.055237][ T6875] x23: ffff0000e4ea8c28 x22: 0000000000000000 x21: dfff800000000000 [ 46.056662][ T6875] x20: ffff0000d4d30068 x19: ffff0000d4d30000 x18: 0000000000000000 [ 46.058032][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 46.059392][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 46.060779][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 46.062065][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 46.063363][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 46.064709][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.066085][ T6875] Call trace: [ 46.066636][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 46.067620][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 46.068435][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 46.069281][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.070176][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 46.071029][ T6875] ext4_dirty_inode+0xd4/0x104 [ 46.071757][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 46.072550][ T6875] iput+0x1cc/0x83c [ 46.073133][ T6875] dentry_unlink_inode+0x384/0x45c [ 46.073909][ T6875] __dentry_kill+0x170/0x594 [ 46.074667][ T6875] shrink_kill+0xd4/0x2cc [ 46.075370][ T6875] shrink_dentry_list+0x31c/0x6cc [ 46.076118][ T6875] shrink_dcache_parent+0xac/0x27c [ 46.076985][ T6875] do_one_tree+0x2c/0xf0 [ 46.077699][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 46.078655][ T6875] generic_shutdown_super+0x68/0x2b8 [ 46.079462][ T6875] kill_block_super+0x44/0x90 [ 46.080169][ T6875] ext4_kill_sb+0x68/0xa4 [ 46.080877][ T6875] deactivate_locked_super+0xc4/0x12c [ 46.081714][ T6875] deactivate_super+0xe0/0x100 [ 46.082551][ T6875] cleanup_mnt+0x31c/0x3ac [ 46.083299][ T6875] __cleanup_mnt+0x20/0x30 [ 46.084007][ T6875] task_work_run+0x1dc/0x260 [ 46.084811][ T6875] do_notify_resume+0x174/0x1f4 [ 46.085655][ T6875] el0_svc+0xb8/0x180 [ 46.086295][ T6875] el0t_64_sync_handler+0x84/0x12c [ 46.087152][ T6875] el0t_64_sync+0x198/0x19c [ 46.087901][ T6875] irq event stamp: 191826 [ 46.088645][ T6875] hardirqs last enabled at (191825): [] exit_to_kernel_mode+0xc0/0xf0 [ 46.090125][ T6875] hardirqs last disabled at (191826): [] el1_brk64+0x1c/0x48 [ 46.091518][ T6875] softirqs last enabled at (191560): [] local_bh_enable+0x10/0x34 [ 46.093109][ T6875] softirqs last disabled at (191558): [] local_bh_disable+0x10/0x34 [ 46.094557][ T6875] ---[ end trace 0000000000000000 ]--- [ 46.110674][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.126210][ T7110] loop0: detected capacity change from 0 to 1024 [ 46.144983][ T7110] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.148521][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 46.150449][ T6875] ------------[ cut here ]------------ [ 46.150456][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.152851][ T6875] Modules linked in: [ 46.153444][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.155021][ T6875] Tainted: [W]=WARN [ 46.155584][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 46.157066][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.158144][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.159093][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.160199][ T6875] sp : ffff80009e2a7100 [ 46.160939][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4eaebf0 x27: 1fffe0001c9d5d7e [ 46.162173][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 46.163409][ T6875] x23: ffff0000e4eaebc8 x22: 0000000000000000 x21: dfff800000000000 [ 46.164674][ T6875] x20: ffff0000d1de0068 x19: ffff0000d1de0000 x18: 1fffe000337a0688 [ 46.165928][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 46.167172][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 46.168417][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 46.169661][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 46.171002][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 46.172339][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.173685][ T6875] Call trace: [ 46.174227][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 46.175228][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 46.176140][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 46.177122][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.178089][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 46.178994][ T6875] ext4_dirty_inode+0xd4/0x104 [ 46.179820][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 46.180694][ T6875] iput+0x1cc/0x83c [ 46.181360][ T6875] dentry_unlink_inode+0x384/0x45c [ 46.182188][ T6875] __dentry_kill+0x170/0x594 [ 46.182896][ T6875] shrink_kill+0xd4/0x2cc [ 46.183552][ T6875] shrink_dentry_list+0x31c/0x6cc [ 46.184344][ T6875] shrink_dcache_parent+0xac/0x27c [ 46.185162][ T6875] do_one_tree+0x2c/0xf0 [ 46.185821][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 46.186699][ T6875] generic_shutdown_super+0x68/0x2b8 [ 46.187472][ T6875] kill_block_super+0x44/0x90 [ 46.188157][ T6875] ext4_kill_sb+0x68/0xa4 [ 46.188810][ T6875] deactivate_locked_super+0xc4/0x12c [ 46.189591][ T6875] deactivate_super+0xe0/0x100 [ 46.190266][ T6875] cleanup_mnt+0x31c/0x3ac [ 46.190907][ T6875] __cleanup_mnt+0x20/0x30 [ 46.191541][ T6875] task_work_run+0x1dc/0x260 [ 46.192203][ T6875] do_notify_resume+0x174/0x1f4 [ 46.192865][ T6875] el0_svc+0xb8/0x180 [ 46.193381][ T6875] el0t_64_sync_handler+0x84/0x12c [ 46.194063][ T6875] el0t_64_sync+0x198/0x19c [ 46.194703][ T6875] irq event stamp: 196612 [ 46.195330][ T6875] hardirqs last enabled at (196611): [] finish_lock_switch+0xb0/0x1c0 [ 46.196778][ T6875] hardirqs last disabled at (196612): [] el1_brk64+0x1c/0x48 [ 46.198076][ T6875] softirqs last enabled at (196334): [] local_bh_enable+0x10/0x34 [ 46.199480][ T6875] softirqs last disabled at (196332): [] local_bh_disable+0x10/0x34 [ 46.200781][ T6875] ---[ end trace 0000000000000000 ]--- [ 46.205909][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.222987][ T7117] loop0: detected capacity change from 0 to 1024 [ 46.235383][ T7117] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.242541][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 46.242641][ T6875] ------------[ cut here ]------------ [ 46.242646][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.247114][ T6875] Modules linked in: [ 46.247782][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.249543][ T6875] Tainted: [W]=WARN [ 46.250135][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 46.251775][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.252997][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.254054][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.255094][ T6875] sp : ffff80009e2a7100 [ 46.255770][ T6875] x29: ffff80009e2a7260 x28: ffff0000ddb245b0 x27: 1fffe0001bb648b6 [ 46.257110][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 46.258449][ T6875] x23: ffff0000ddb24588 x22: 0000000000000000 x21: dfff800000000000 [ 46.259842][ T6875] x20: ffff0000d6302068 x19: ffff0000d6302000 x18: 1fffe000337a0688 [ 46.261209][ T6875] x17: 6572203a39363431 x16: ffff80008b007290 x15: 0000000000000001 [ 46.262499][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 46.263896][ T6875] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 46.265235][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 46.266605][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 46.267899][ T6875] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.269281][ T6875] Call trace: [ 46.269843][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 46.270859][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 46.271683][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 46.272593][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.273458][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 46.274259][ T6875] ext4_dirty_inode+0xd4/0x104 [ 46.275016][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 46.275791][ T6875] iput+0x1cc/0x83c [ 46.276365][ T6875] dentry_unlink_inode+0x384/0x45c [ 46.277157][ T6875] __dentry_kill+0x170/0x594 [ 46.277835][ T6875] shrink_kill+0xd4/0x2cc [ 46.278492][ T6875] shrink_dentry_list+0x31c/0x6cc [ 46.279386][ T6875] shrink_dcache_parent+0xac/0x27c [ 46.280309][ T6875] do_one_tree+0x2c/0xf0 [ 46.281021][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 46.281923][ T6875] generic_shutdown_super+0x68/0x2b8 [ 46.282828][ T6875] kill_block_super+0x44/0x90 [ 46.283631][ T6875] ext4_kill_sb+0x68/0xa4 [ 46.284382][ T6875] deactivate_locked_super+0xc4/0x12c [ 46.285350][ T6875] deactivate_super+0xe0/0x100 [ 46.286094][ T6875] cleanup_mnt+0x31c/0x3ac [ 46.286883][ T6875] __cleanup_mnt+0x20/0x30 [ 46.287568][ T6875] task_work_run+0x1dc/0x260 [ 46.288267][ T6875] do_notify_resume+0x174/0x1f4 [ 46.289003][ T6875] el0_svc+0xb8/0x180 [ 46.289599][ T6875] el0t_64_sync_handler+0x84/0x12c [ 46.290315][ T6875] el0t_64_sync+0x198/0x19c [ 46.291066][ T6875] irq event stamp: 201296 [ 46.291752][ T6875] hardirqs last enabled at (201295): [] exit_to_kernel_mode+0xc0/0xf0 [ 46.293290][ T6875] hardirqs last disabled at (201296): [] el1_brk64+0x1c/0x48 [ 46.294756][ T6875] softirqs last enabled at (201030): [] local_bh_enable+0x10/0x34 [ 46.296325][ T6875] softirqs last disabled at (201028): [] local_bh_disable+0x10/0x34 [ 46.297906][ T6875] ---[ end trace 0000000000000000 ]--- [ 46.300784][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.314715][ T7124] loop0: detected capacity change from 0 to 1024 [ 46.336005][ T7124] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.345829][ T6562] Bluetooth: hci0: command tx timeout [ 46.347306][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 46.347403][ T6875] ------------[ cut here ]------------ [ 46.347414][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.351794][ T6875] Modules linked in: [ 46.352397][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.354059][ T6875] Tainted: [W]=WARN [ 46.354707][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 46.356395][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.357732][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.358858][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.359942][ T6875] sp : ffff80009e2a7100 [ 46.360614][ T6875] x29: ffff80009e2a7260 x28: ffff0000ddbc3290 x27: 1fffe0001bb78652 [ 46.361876][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 46.363239][ T6875] x23: ffff0000ddbc3268 x22: 0000000000000000 x21: dfff800000000000 [ 46.364491][ T6875] x20: ffff0000cee46068 x19: ffff0000cee46000 x18: 1fffe000337a0688 [ 46.365733][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 46.367021][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 46.368354][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 46.369533][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 46.370871][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 46.372178][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.373441][ T6875] Call trace: [ 46.373935][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 46.374903][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 46.375758][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 46.376683][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.377536][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 46.378412][ T6875] ext4_dirty_inode+0xd4/0x104 [ 46.379148][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 46.380007][ T6875] iput+0x1cc/0x83c [ 46.380639][ T6875] dentry_unlink_inode+0x384/0x45c [ 46.381520][ T6875] __dentry_kill+0x170/0x594 [ 46.382307][ T6875] shrink_kill+0xd4/0x2cc [ 46.382985][ T6875] shrink_dentry_list+0x31c/0x6cc [ 46.383758][ T6875] shrink_dcache_parent+0xac/0x27c [ 46.384568][ T6875] do_one_tree+0x2c/0xf0 [ 46.385287][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 46.386221][ T6875] generic_shutdown_super+0x68/0x2b8 [ 46.387090][ T6875] kill_block_super+0x44/0x90 [ 46.387863][ T6875] ext4_kill_sb+0x68/0xa4 [ 46.388587][ T6875] deactivate_locked_super+0xc4/0x12c [ 46.389459][ T6875] deactivate_super+0xe0/0x100 [ 46.390253][ T6875] cleanup_mnt+0x31c/0x3ac [ 46.391022][ T6875] __cleanup_mnt+0x20/0x30 [ 46.391724][ T6875] task_work_run+0x1dc/0x260 [ 46.392519][ T6875] do_notify_resume+0x174/0x1f4 [ 46.393319][ T6875] el0_svc+0xb8/0x180 [ 46.393965][ T6875] el0t_64_sync_handler+0x84/0x12c [ 46.394792][ T6875] el0t_64_sync+0x198/0x19c [ 46.395549][ T6875] irq event stamp: 206008 [ 46.396282][ T6875] hardirqs last enabled at (206007): [] exit_to_kernel_mode+0xc0/0xf0 [ 46.397842][ T6875] hardirqs last disabled at (206008): [] el1_brk64+0x1c/0x48 [ 46.399260][ T6875] softirqs last enabled at (205748): [] local_bh_enable+0x10/0x34 [ 46.400746][ T6875] softirqs last disabled at (205746): [] local_bh_disable+0x10/0x34 [ 46.402263][ T6875] ---[ end trace 0000000000000000 ]--- [ 46.407556][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.435476][ T7136] loop0: detected capacity change from 0 to 1024 [ 46.465348][ T7136] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.469225][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 46.471221][ T6875] ------------[ cut here ]------------ [ 46.471229][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.473486][ T6875] Modules linked in: [ 46.474111][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.475967][ T6875] Tainted: [W]=WARN [ 46.476608][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 46.478224][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.479444][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.480528][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.481549][ T6875] sp : ffff80009e2a7100 [ 46.482201][ T6875] x29: ffff80009e2a7260 x28: ffff0000e54095e0 x27: 1fffe0001ca812bc [ 46.483459][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 46.484795][ T6875] x23: ffff0000e54095b8 x22: 0000000000000000 x21: dfff800000000000 [ 46.486199][ T6875] x20: ffff0000d70fe068 x19: ffff0000d70fe000 x18: 1fffe0003379be88 [ 46.487539][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 46.488859][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 46.490193][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 46.491531][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 46.492884][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 46.494244][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.495533][ T6875] Call trace: [ 46.496045][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 46.497071][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 46.497896][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 46.498790][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.499772][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 46.500715][ T6875] ext4_dirty_inode+0xd4/0x104 [ 46.501465][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 46.502280][ T6875] iput+0x1cc/0x83c [ 46.502870][ T6875] dentry_unlink_inode+0x384/0x45c [ 46.503620][ T6875] __dentry_kill+0x170/0x594 [ 46.504369][ T6875] shrink_kill+0xd4/0x2cc [ 46.505074][ T6875] shrink_dentry_list+0x31c/0x6cc [ 46.505835][ T6875] shrink_dcache_parent+0xac/0x27c [ 46.506630][ T6875] do_one_tree+0x2c/0xf0 [ 46.507289][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 46.508220][ T6875] generic_shutdown_super+0x68/0x2b8 [ 46.509138][ T6875] kill_block_super+0x44/0x90 [ 46.509935][ T6875] ext4_kill_sb+0x68/0xa4 [ 46.510648][ T6875] deactivate_locked_super+0xc4/0x12c [ 46.511606][ T6875] deactivate_super+0xe0/0x100 [ 46.512398][ T6875] cleanup_mnt+0x31c/0x3ac [ 46.513115][ T6875] __cleanup_mnt+0x20/0x30 [ 46.513826][ T6875] task_work_run+0x1dc/0x260 [ 46.514546][ T6875] do_notify_resume+0x174/0x1f4 [ 46.515352][ T6875] el0_svc+0xb8/0x180 [ 46.516023][ T6875] el0t_64_sync_handler+0x84/0x12c [ 46.516854][ T6875] el0t_64_sync+0x198/0x19c [ 46.517638][ T6875] irq event stamp: 211010 [ 46.518328][ T6875] hardirqs last enabled at (211009): [] finish_lock_switch+0xb0/0x1c0 [ 46.519965][ T6875] hardirqs last disabled at (211010): [] el1_brk64+0x1c/0x48 [ 46.521522][ T6875] softirqs last enabled at (210828): [] local_bh_enable+0x10/0x34 [ 46.523199][ T6875] softirqs last disabled at (210826): [] local_bh_disable+0x10/0x34 [ 46.524756][ T6875] ---[ end trace 0000000000000000 ]--- [ 46.528651][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.546119][ T7152] loop0: detected capacity change from 0 to 1024 [ 46.561239][ T7152] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.568636][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 46.570539][ T6875] ------------[ cut here ]------------ [ 46.570547][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.573147][ T6875] Modules linked in: [ 46.573822][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.575628][ T6875] Tainted: [W]=WARN [ 46.576234][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 46.577922][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.579116][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.580076][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.581037][ T6875] sp : ffff80009e2a7100 [ 46.581642][ T6875] x29: ffff80009e2a7260 x28: ffff0000e540f580 x27: 1fffe0001ca81eb0 [ 46.582818][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 46.583965][ T6875] x23: ffff0000e540f558 x22: 0000000000000000 x21: dfff800000000000 [ 46.585102][ T6875] x20: ffff0000d67f8068 x19: ffff0000d67f8000 x18: 1fffe0003379be88 [ 46.586208][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 46.587350][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 46.588477][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 46.589644][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 46.590757][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 46.591839][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.593061][ T6875] Call trace: [ 46.593510][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 46.594466][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 46.595321][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 46.596181][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.597058][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 46.597866][ T6875] ext4_dirty_inode+0xd4/0x104 [ 46.598586][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 46.599306][ T6875] iput+0x1cc/0x83c [ 46.599984][ T6875] dentry_unlink_inode+0x384/0x45c [ 46.600894][ T6875] __dentry_kill+0x170/0x594 [ 46.601659][ T6875] shrink_kill+0xd4/0x2cc [ 46.602330][ T6875] shrink_dentry_list+0x31c/0x6cc [ 46.603129][ T6875] shrink_dcache_parent+0xac/0x27c [ 46.603919][ T6875] do_one_tree+0x2c/0xf0 [ 46.604611][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 46.605554][ T6875] generic_shutdown_super+0x68/0x2b8 [ 46.606364][ T6875] kill_block_super+0x44/0x90 [ 46.607199][ T6875] ext4_kill_sb+0x68/0xa4 [ 46.607968][ T6875] deactivate_locked_super+0xc4/0x12c [ 46.608889][ T6875] deactivate_super+0xe0/0x100 [ 46.609809][ T6875] cleanup_mnt+0x31c/0x3ac [ 46.610553][ T6875] __cleanup_mnt+0x20/0x30 [ 46.611365][ T6875] task_work_run+0x1dc/0x260 [ 46.612188][ T6875] do_notify_resume+0x174/0x1f4 [ 46.613020][ T6875] el0_svc+0xb8/0x180 [ 46.613701][ T6875] el0t_64_sync_handler+0x84/0x12c [ 46.614619][ T6875] el0t_64_sync+0x198/0x19c [ 46.615355][ T6875] irq event stamp: 216286 [ 46.616132][ T6875] hardirqs last enabled at (216285): [] finish_lock_switch+0xb0/0x1c0 [ 46.617575][ T6875] hardirqs last disabled at (216286): [] el1_brk64+0x1c/0x48 [ 46.619087][ T6875] softirqs last enabled at (216124): [] local_bh_enable+0x10/0x34 [ 46.620582][ T6875] softirqs last disabled at (216122): [] local_bh_disable+0x10/0x34 [ 46.622206][ T6875] ---[ end trace 0000000000000000 ]--- [ 46.635670][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.670111][ T7169] loop0: detected capacity change from 0 to 1024 [ 46.680719][ T7169] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.688085][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 46.688181][ T6875] ------------[ cut here ]------------ [ 46.688186][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.692130][ T6875] Modules linked in: [ 46.692730][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.694588][ T6875] Tainted: [W]=WARN [ 46.695238][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 46.696823][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.698058][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.699120][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.700091][ T6875] sp : ffff80009e2a7100 [ 46.700745][ T6875] x29: ffff80009e2a7260 x28: ffff0000e51ac5b0 x27: 1fffe0001ca358b6 [ 46.701906][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 46.703078][ T6875] x23: ffff0000e51ac588 x22: 0000000000000000 x21: dfff800000000000 [ 46.704198][ T6875] x20: ffff0000d6c5a068 x19: ffff0000d6c5a000 x18: 1fffe0003379be88 [ 46.705351][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 46.706504][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 46.707759][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 46.709099][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 46.710454][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 46.711798][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.713140][ T6875] Call trace: [ 46.713637][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 46.714765][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 46.715684][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 46.716609][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.717524][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 46.718315][ T6875] ext4_dirty_inode+0xd4/0x104 [ 46.719187][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 46.720033][ T6875] iput+0x1cc/0x83c [ 46.720644][ T6875] dentry_unlink_inode+0x384/0x45c [ 46.721457][ T6875] __dentry_kill+0x170/0x594 [ 46.722224][ T6875] shrink_kill+0xd4/0x2cc [ 46.723008][ T6875] shrink_dentry_list+0x31c/0x6cc [ 46.723859][ T6875] shrink_dcache_parent+0xac/0x27c [ 46.724716][ T6875] do_one_tree+0x2c/0xf0 [ 46.725435][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 46.726381][ T6875] generic_shutdown_super+0x68/0x2b8 [ 46.727314][ T6875] kill_block_super+0x44/0x90 [ 46.728083][ T6875] ext4_kill_sb+0x68/0xa4 [ 46.728813][ T6875] deactivate_locked_super+0xc4/0x12c [ 46.729719][ T6875] deactivate_super+0xe0/0x100 [ 46.730482][ T6875] cleanup_mnt+0x31c/0x3ac [ 46.731142][ T6875] __cleanup_mnt+0x20/0x30 [ 46.731842][ T6875] task_work_run+0x1dc/0x260 [ 46.732522][ T6875] do_notify_resume+0x174/0x1f4 [ 46.733212][ T6875] el0_svc+0xb8/0x180 [ 46.733782][ T6875] el0t_64_sync_handler+0x84/0x12c [ 46.734566][ T6875] el0t_64_sync+0x198/0x19c [ 46.735252][ T6875] irq event stamp: 223020 [ 46.735892][ T6875] hardirqs last enabled at (223019): [] exit_to_kernel_mode+0xc0/0xf0 [ 46.737499][ T6875] hardirqs last disabled at (223020): [] el1_brk64+0x1c/0x48 [ 46.738856][ T6875] softirqs last enabled at (222770): [] local_bh_enable+0x10/0x34 [ 46.740241][ T6875] softirqs last disabled at (222768): [] local_bh_disable+0x10/0x34 [ 46.741672][ T6875] ---[ end trace 0000000000000000 ]--- [ 46.749277][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.778066][ T7182] loop0: detected capacity change from 0 to 1024 [ 46.796791][ T7182] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.804173][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 46.804267][ T6875] ------------[ cut here ]------------ [ 46.804272][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.808106][ T6875] Modules linked in: [ 46.808642][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.810366][ T6875] Tainted: [W]=WARN [ 46.810931][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 46.812511][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.813740][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.814802][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.815856][ T6875] sp : ffff80009e2a7100 [ 46.816475][ T6875] x29: ffff80009e2a7260 x28: ffff0000dd929f70 x27: 1fffe0001bb253ee [ 46.817687][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 46.818972][ T6875] x23: ffff0000dd929f48 x22: 0000000000000000 x21: dfff800000000000 [ 46.820222][ T6875] x20: ffff0000d578a068 x19: ffff0000d578a000 x18: 1fffe000337a0688 [ 46.821432][ T6875] x17: 6572203a39363431 x16: ffff80008b007290 x15: 0000000000000001 [ 46.822647][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 46.823894][ T6875] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 46.825086][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 46.826437][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 46.827709][ T6875] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.828984][ T6875] Call trace: [ 46.829528][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 46.830527][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 46.831308][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 46.832141][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.832953][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 46.833795][ T6875] ext4_dirty_inode+0xd4/0x104 [ 46.834484][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 46.835276][ T6875] iput+0x1cc/0x83c [ 46.835867][ T6875] dentry_unlink_inode+0x384/0x45c [ 46.836718][ T6875] __dentry_kill+0x170/0x594 [ 46.837563][ T6875] shrink_kill+0xd4/0x2cc [ 46.838267][ T6875] shrink_dentry_list+0x31c/0x6cc [ 46.839031][ T6875] shrink_dcache_parent+0xac/0x27c [ 46.839836][ T6875] do_one_tree+0x2c/0xf0 [ 46.840520][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 46.841411][ T6875] generic_shutdown_super+0x68/0x2b8 [ 46.842291][ T6875] kill_block_super+0x44/0x90 [ 46.843070][ T6875] ext4_kill_sb+0x68/0xa4 [ 46.843831][ T6875] deactivate_locked_super+0xc4/0x12c [ 46.844651][ T6875] deactivate_super+0xe0/0x100 [ 46.845496][ T6875] cleanup_mnt+0x31c/0x3ac [ 46.846249][ T6875] __cleanup_mnt+0x20/0x30 [ 46.846958][ T6875] task_work_run+0x1dc/0x260 [ 46.847670][ T6875] do_notify_resume+0x174/0x1f4 [ 46.848467][ T6875] el0_svc+0xb8/0x180 [ 46.849078][ T6875] el0t_64_sync_handler+0x84/0x12c [ 46.849866][ T6875] el0t_64_sync+0x198/0x19c [ 46.850672][ T6875] irq event stamp: 229370 [ 46.851412][ T6875] hardirqs last enabled at (229369): [] exit_to_kernel_mode+0xc0/0xf0 [ 46.853199][ T6875] hardirqs last disabled at (229370): [] el1_brk64+0x1c/0x48 [ 46.854717][ T6875] softirqs last enabled at (228658): [] local_bh_enable+0x10/0x34 [ 46.856294][ T6875] softirqs last disabled at (228656): [] local_bh_disable+0x10/0x34 [ 46.857671][ T6875] ---[ end trace 0000000000000000 ]--- [ 46.861085][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.885837][ T7197] loop0: detected capacity change from 0 to 1024 [ 46.908664][ T7197] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 46.917663][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 46.919846][ T6875] ------------[ cut here ]------------ [ 46.919855][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.922178][ T6875] Modules linked in: [ 46.922807][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 46.924539][ T6875] Tainted: [W]=WARN [ 46.925118][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 46.926674][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 46.927872][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.928869][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 46.930001][ T6875] sp : ffff80009e2a7100 [ 46.930654][ T6875] x29: ffff80009e2a7260 x28: ffff0000dd92e260 x27: 1fffe0001bb25c4c [ 46.932040][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 46.933379][ T6875] x23: ffff0000dd92e238 x22: 0000000000000000 x21: dfff800000000000 [ 46.934662][ T6875] x20: ffff0000d0d66068 x19: ffff0000d0d66000 x18: 1fffe0003379be88 [ 46.935980][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 46.937295][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 46.938607][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 46.939882][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 46.941275][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 46.942680][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 46.943970][ T6875] Call trace: [ 46.944485][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 46.945517][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 46.946337][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 46.947199][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 46.948025][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 46.948929][ T6875] ext4_dirty_inode+0xd4/0x104 [ 46.949711][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 46.950483][ T6875] iput+0x1cc/0x83c [ 46.951042][ T6875] dentry_unlink_inode+0x384/0x45c [ 46.951807][ T6875] __dentry_kill+0x170/0x594 [ 46.952524][ T6875] shrink_kill+0xd4/0x2cc [ 46.953168][ T6875] shrink_dentry_list+0x31c/0x6cc [ 46.953954][ T6875] shrink_dcache_parent+0xac/0x27c [ 46.954748][ T6875] do_one_tree+0x2c/0xf0 [ 46.955381][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 46.956211][ T6875] generic_shutdown_super+0x68/0x2b8 [ 46.956973][ T6875] kill_block_super+0x44/0x90 [ 46.957611][ T6875] ext4_kill_sb+0x68/0xa4 [ 46.958235][ T6875] deactivate_locked_super+0xc4/0x12c [ 46.959033][ T6875] deactivate_super+0xe0/0x100 [ 46.959839][ T6875] cleanup_mnt+0x31c/0x3ac [ 46.960580][ T6875] __cleanup_mnt+0x20/0x30 [ 46.961336][ T6875] task_work_run+0x1dc/0x260 [ 46.962076][ T6875] do_notify_resume+0x174/0x1f4 [ 46.962929][ T6875] el0_svc+0xb8/0x180 [ 46.963636][ T6875] el0t_64_sync_handler+0x84/0x12c [ 46.964536][ T6875] el0t_64_sync+0x198/0x19c [ 46.965279][ T6875] irq event stamp: 234656 [ 46.966041][ T6875] hardirqs last enabled at (234655): [] finish_lock_switch+0xb0/0x1c0 [ 46.967757][ T6875] hardirqs last disabled at (234656): [] el1_brk64+0x1c/0x48 [ 46.969294][ T6875] softirqs last enabled at (234484): [] local_bh_enable+0x10/0x34 [ 46.970941][ T6875] softirqs last disabled at (234482): [] local_bh_disable+0x10/0x34 [ 46.972622][ T6875] ---[ end trace 0000000000000000 ]--- [ 46.976967][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 46.989017][ T7212] loop0: detected capacity change from 0 to 1024 [ 47.007202][ T7212] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.014918][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 47.015010][ T6875] ------------[ cut here ]------------ [ 47.015016][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.019021][ T6875] Modules linked in: [ 47.019583][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.021139][ T6875] Tainted: [W]=WARN [ 47.021674][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 47.023083][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.024209][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.025184][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.026113][ T6875] sp : ffff80009e2a7100 [ 47.026786][ T6875] x29: ffff80009e2a7260 x28: ffff0000e51b3c20 x27: 1fffe0001ca36784 [ 47.028096][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 47.029374][ T6875] x23: ffff0000e51b3bf8 x22: 0000000000000000 x21: dfff800000000000 [ 47.030704][ T6875] x20: ffff0000de068068 x19: ffff0000de068000 x18: 1fffe0003379be88 [ 47.031885][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 47.032995][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 47.034129][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 47.035302][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 47.036433][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 47.037540][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.038670][ T6875] Call trace: [ 47.039179][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 47.040138][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 47.040880][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 47.041714][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.042546][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 47.043271][ T6875] ext4_dirty_inode+0xd4/0x104 [ 47.044038][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 47.044819][ T6875] iput+0x1cc/0x83c [ 47.045376][ T6875] dentry_unlink_inode+0x384/0x45c [ 47.046204][ T6875] __dentry_kill+0x170/0x594 [ 47.046904][ T6875] shrink_kill+0xd4/0x2cc [ 47.047527][ T6875] shrink_dentry_list+0x31c/0x6cc [ 47.048288][ T6875] shrink_dcache_parent+0xac/0x27c [ 47.049048][ T6875] do_one_tree+0x2c/0xf0 [ 47.049661][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 47.050477][ T6875] generic_shutdown_super+0x68/0x2b8 [ 47.051228][ T6875] kill_block_super+0x44/0x90 [ 47.051994][ T6875] ext4_kill_sb+0x68/0xa4 [ 47.052692][ T6875] deactivate_locked_super+0xc4/0x12c [ 47.053593][ T6875] deactivate_super+0xe0/0x100 [ 47.054363][ T6875] cleanup_mnt+0x31c/0x3ac [ 47.055022][ T6875] __cleanup_mnt+0x20/0x30 [ 47.055642][ T6875] task_work_run+0x1dc/0x260 [ 47.056307][ T6875] do_notify_resume+0x174/0x1f4 [ 47.057053][ T6875] el0_svc+0xb8/0x180 [ 47.057618][ T6875] el0t_64_sync_handler+0x84/0x12c [ 47.058366][ T6875] el0t_64_sync+0x198/0x19c [ 47.059065][ T6875] irq event stamp: 239590 [ 47.059773][ T6875] hardirqs last enabled at (239589): [] exit_to_kernel_mode+0xc0/0xf0 [ 47.061180][ T6875] hardirqs last disabled at (239590): [] el1_brk64+0x1c/0x48 [ 47.062628][ T6875] softirqs last enabled at (239432): [] local_bh_enable+0x10/0x34 [ 47.064174][ T6875] softirqs last disabled at (239430): [] local_bh_disable+0x10/0x34 [ 47.065690][ T6875] ---[ end trace 0000000000000000 ]--- [ 47.076589][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.092502][ T7224] loop0: detected capacity change from 0 to 1024 [ 47.096636][ T7224] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.108168][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 47.108260][ T6875] ------------[ cut here ]------------ [ 47.108265][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.112462][ T6875] Modules linked in: [ 47.113048][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.114537][ T6875] Tainted: [W]=WARN [ 47.115084][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 47.116529][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.117666][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.118605][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.119713][ T6875] sp : ffff80009e2a7100 [ 47.120408][ T6875] x29: ffff80009e2a7260 x28: ffff0000e51b7580 x27: 1fffe0001ca36eb0 [ 47.121761][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 47.123123][ T6875] x23: ffff0000e51b7558 x22: 0000000000000000 x21: dfff800000000000 [ 47.124534][ T6875] x20: ffff0000d72e4068 x19: ffff0000d72e4000 x18: 1fffe0003379be88 [ 47.125889][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 47.127238][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 47.128616][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 47.129973][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 47.131322][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 47.132637][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.133944][ T6875] Call trace: [ 47.134463][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 47.135523][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 47.136398][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 47.137343][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.138262][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 47.139167][ T6875] ext4_dirty_inode+0xd4/0x104 [ 47.139974][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 47.140914][ T6875] iput+0x1cc/0x83c [ 47.141599][ T6875] dentry_unlink_inode+0x384/0x45c [ 47.142475][ T6875] __dentry_kill+0x170/0x594 [ 47.143212][ T6875] shrink_kill+0xd4/0x2cc [ 47.143937][ T6875] shrink_dentry_list+0x31c/0x6cc [ 47.144778][ T6875] shrink_dcache_parent+0xac/0x27c [ 47.145629][ T6875] do_one_tree+0x2c/0xf0 [ 47.146324][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 47.147239][ T6875] generic_shutdown_super+0x68/0x2b8 [ 47.148050][ T6875] kill_block_super+0x44/0x90 [ 47.148731][ T6875] ext4_kill_sb+0x68/0xa4 [ 47.149367][ T6875] deactivate_locked_super+0xc4/0x12c [ 47.150207][ T6875] deactivate_super+0xe0/0x100 [ 47.150875][ T6875] cleanup_mnt+0x31c/0x3ac [ 47.151561][ T6875] __cleanup_mnt+0x20/0x30 [ 47.152226][ T6875] task_work_run+0x1dc/0x260 [ 47.153019][ T6875] do_notify_resume+0x174/0x1f4 [ 47.153864][ T6875] el0_svc+0xb8/0x180 [ 47.154509][ T6875] el0t_64_sync_handler+0x84/0x12c [ 47.155287][ T6875] el0t_64_sync+0x198/0x19c [ 47.156006][ T6875] irq event stamp: 243940 [ 47.156745][ T6875] hardirqs last enabled at (243939): [] exit_to_kernel_mode+0xc0/0xf0 [ 47.158250][ T6875] hardirqs last disabled at (243940): [] el1_brk64+0x1c/0x48 [ 47.159517][ T6875] softirqs last enabled at (243686): [] local_bh_enable+0x10/0x34 [ 47.160929][ T6875] softirqs last disabled at (243684): [] local_bh_disable+0x10/0x34 [ 47.162343][ T6875] ---[ end trace 0000000000000000 ]--- [ 47.168219][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.186713][ T7230] loop0: detected capacity change from 0 to 1024 [ 47.206951][ T7230] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.215137][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 47.215227][ T6875] ------------[ cut here ]------------ [ 47.215232][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.219511][ T6875] Modules linked in: [ 47.220118][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.221754][ T6875] Tainted: [W]=WARN [ 47.222317][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 47.223902][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.225166][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.226224][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.227309][ T6875] sp : ffff80009e2a7100 [ 47.227964][ T6875] x29: ffff80009e2a7260 x28: ffff0000e51bc5b0 x27: 1fffe0001ca378b6 [ 47.229214][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 47.230474][ T6875] x23: ffff0000e51bc588 x22: 0000000000000000 x21: dfff800000000000 [ 47.231713][ T6875] x20: ffff0000ce74e068 x19: ffff0000ce74e000 x18: 1fffe0003379be88 [ 47.233139][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 47.234485][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 47.235829][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 47.237184][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 47.238427][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 47.239599][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.240748][ T6875] Call trace: [ 47.241211][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 47.242132][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 47.242862][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 47.243679][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.244466][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 47.245207][ T6875] ext4_dirty_inode+0xd4/0x104 [ 47.245972][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 47.246801][ T6875] iput+0x1cc/0x83c [ 47.247415][ T6875] dentry_unlink_inode+0x384/0x45c [ 47.248205][ T6875] __dentry_kill+0x170/0x594 [ 47.248980][ T6875] shrink_kill+0xd4/0x2cc [ 47.249747][ T6875] shrink_dentry_list+0x31c/0x6cc [ 47.250511][ T6875] shrink_dcache_parent+0xac/0x27c [ 47.251347][ T6875] do_one_tree+0x2c/0xf0 [ 47.252000][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 47.252884][ T6875] generic_shutdown_super+0x68/0x2b8 [ 47.253719][ T6875] kill_block_super+0x44/0x90 [ 47.254420][ T6875] ext4_kill_sb+0x68/0xa4 [ 47.255047][ T6875] deactivate_locked_super+0xc4/0x12c [ 47.255935][ T6875] deactivate_super+0xe0/0x100 [ 47.256752][ T6875] cleanup_mnt+0x31c/0x3ac [ 47.257439][ T6875] __cleanup_mnt+0x20/0x30 [ 47.258124][ T6875] task_work_run+0x1dc/0x260 [ 47.258884][ T6875] do_notify_resume+0x174/0x1f4 [ 47.259704][ T6875] el0_svc+0xb8/0x180 [ 47.260342][ T6875] el0t_64_sync_handler+0x84/0x12c [ 47.261243][ T6875] el0t_64_sync+0x198/0x19c [ 47.261987][ T6875] irq event stamp: 250042 [ 47.262673][ T6875] hardirqs last enabled at (250041): [] exit_to_kernel_mode+0xc0/0xf0 [ 47.264185][ T6875] hardirqs last disabled at (250042): [] el1_brk64+0x1c/0x48 [ 47.265720][ T6875] softirqs last enabled at (249770): [] local_bh_enable+0x10/0x34 [ 47.267300][ T6875] softirqs last disabled at (249768): [] local_bh_disable+0x10/0x34 [ 47.268858][ T6875] ---[ end trace 0000000000000000 ]--- [ 47.276700][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.316616][ T7245] loop0: detected capacity change from 0 to 1024 [ 47.335067][ T7245] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.3 ** replaying previous printk message ** [ 47.338850][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 47.338980][ T6875] ------------[ cut here ]------------ [ 47.338984][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.343495][ T6875] Modules linked in: [ 47.344067][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.345647][ T6875] Tainted: [W]=WARN [ 47.346295][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 47.348033][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.349250][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.350254][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.351378][ T6875] sp : ffff80009e2a7100 [ 47.352044][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5441f70 x27: 1fffe0001ca883ee [ 47.353340][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 47.354679][ T6875] x23: ffff0000e5441f48 x22: 0000000000000000 x21: dfff800000000000 [ 47.356068][ T6875] x20: ffff0000d5d5a068 x19: ffff0000d5d5a000 x18: 1fffe0003379be88 [ 47.357295][ T6875] x17: 6572203a39363431 x16: ffff80008b007290 x15: 0000000000000001 [ 47.358480][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 47.359595][ T6875] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 47.360772][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 47.361934][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 47.363047][ T6875] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.364142][ T6875] Call trace: [ 47.364583][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 47.365489][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 47.366228][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 47.367091][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.367957][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 47.368721][ T6875] ext4_dirty_inode+0xd4/0x104 [ 47.369387][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 47.370112][ T6875] iput+0x1cc/0x83c [ 47.370755][ T6875] dentry_unlink_inode+0x384/0x45c [ 47.371553][ T6875] __dentry_kill+0x170/0x594 [ 47.372214][ T6875] shrink_kill+0xd4/0x2cc [ 47.372859][ T6875] shrink_dentry_list+0x31c/0x6cc [ 47.373650][ T6875] shrink_dcache_parent+0xac/0x27c [ 47.374514][ T6875] do_one_tree+0x2c/0xf0 [ 47.375170][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 47.375997][ T6875] generic_shutdown_super+0x68/0x2b8 [ 47.376825][ T6875] kill_block_super+0x44/0x90 [ 47.377549][ T6875] ext4_kill_sb+0x68/0xa4 [ 47.378202][ T6875] deactivate_locked_super+0xc4/0x12c [ 47.378980][ T6875] deactivate_super+0xe0/0x100 [ 47.379731][ T6875] cleanup_mnt+0x31c/0x3ac [ 47.380384][ T6875] __cleanup_mnt+0x20/0x30 [ 47.381073][ T6875] task_work_run+0x1dc/0x260 [ 47.381755][ T6875] do_notify_resume+0x174/0x1f4 [ 47.382443][ T6875] el0_svc+0xb8/0x180 [ 47.383040][ T6875] el0t_64_sync_handler+0x84/0x12c [ 47.383798][ T6875] el0t_64_sync+0x198/0x19c [ 47.384486][ T6875] irq event stamp: 254948 [ 47.385183][ T6875] hardirqs last enabled at (254947): [] exit_to_kernel_mode+0xc0/0xf0 [ 47.386609][ T6875] hardirqs last disabled at (254948): [] el1_brk64+0x1c/0x48 [ 47.387919][ T6875] softirqs last enabled at (254684): [] local_bh_enable+0x10/0x34 [ 47.389424][ T6875] softirqs last disabled at (254682): [] local_bh_disable+0x10/0x34 [ 47.390970][ T6875] ---[ end trace 0000000000000000 ]--- [ 47.394672][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.409032][ T7258] loop0: detected capacity change from 0 to 1024 [ 47.426789][ T7258] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.431301][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 47.431415][ T6875] ------------[ cut here ]------------ [ 47.431422][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.435460][ T6875] Modules linked in: [ 47.436034][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.437589][ T6875] Tainted: [W]=WARN [ 47.438123][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 47.439529][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.440814][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.441882][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.442930][ T6875] sp : ffff80009e2a7100 [ 47.443583][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5448c50 x27: 1fffe0001ca8918a [ 47.444845][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 47.446118][ T6875] x23: ffff0000e5448c28 x22: 0000000000000000 x21: dfff800000000000 [ 47.447362][ T6875] x20: ffff0000d0c86068 x19: ffff0000d0c86000 x18: 0000000000000000 [ 47.448610][ T6875] x17: 6572203a39363431 x16: ffff80008b007290 x15: 0000000000000001 [ 47.449891][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 47.451180][ T6875] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 47.452523][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 47.453822][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 47.455114][ T6875] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.456377][ T6875] Call trace: [ 47.456912][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 47.457989][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 47.458885][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 47.459781][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.460732][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 47.461608][ T6875] ext4_dirty_inode+0xd4/0x104 [ 47.462461][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 47.463322][ T6875] iput+0x1cc/0x83c [ 47.463948][ T6875] dentry_unlink_inode+0x384/0x45c [ 47.464738][ T6875] __dentry_kill+0x170/0x594 [ 47.465529][ T6875] shrink_kill+0xd4/0x2cc [ 47.466260][ T6875] shrink_dentry_list+0x31c/0x6cc [ 47.467165][ T6875] shrink_dcache_parent+0xac/0x27c [ 47.467995][ T6875] do_one_tree+0x2c/0xf0 [ 47.468683][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 47.469505][ T6875] generic_shutdown_super+0x68/0x2b8 [ 47.470341][ T6875] kill_block_super+0x44/0x90 [ 47.471058][ T6875] ext4_kill_sb+0x68/0xa4 [ 47.471710][ T6875] deactivate_locked_super+0xc4/0x12c [ 47.472613][ T6875] deactivate_super+0xe0/0x100 [ 47.473295][ T6875] cleanup_mnt+0x31c/0x3ac [ 47.473904][ T6875] __cleanup_mnt+0x20/0x30 [ 47.474681][ T6875] task_work_run+0x1dc/0x260 [ 47.475415][ T6875] do_notify_resume+0x174/0x1f4 [ 47.476235][ T6875] el0_svc+0xb8/0x180 [ 47.476849][ T6875] el0t_64_sync_handler+0x84/0x12c [ 47.477711][ T6875] el0t_64_sync+0x198/0x19c [ 47.478471][ T6875] irq event stamp: 260272 [ 47.479218][ T6875] hardirqs last enabled at (260271): [] exit_to_kernel_mode+0xc0/0xf0 [ 47.480825][ T6875] hardirqs last disabled at (260272): [] el1_brk64+0x1c/0x48 [ 47.482375][ T6875] softirqs last enabled at (260104): [] local_bh_enable+0x10/0x34 [ 47.483948][ T6875] softirqs last disabled at (260102): [] local_bh_disable+0x10/0x34 [ 47.485474][ T6875] ---[ end trace 0000000000000000 ]--- [ 47.489524][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.532926][ T7275] loop0: detected capacity change from 0 to 1024 [ 47.556936][ T7275] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 47.561834][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 47.561926][ T6875] ------------[ cut here ]------------ [ 47.561930][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.566561][ T6875] Modules linked in: [ 47.567109][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.568615][ T6875] Tainted: [W]=WARN [ 47.569239][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 47.570717][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.571913][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.572881][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.573852][ T6875] sp : ffff80009e2a7100 [ 47.574425][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5466260 x27: 1fffe0001ca8cc4c [ 47.575789][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 47.577191][ T6875] x23: ffff0000e5466238 x22: 0000000000000000 x21: dfff800000000000 [ 47.578525][ T6875] x20: ffff0000de0b2068 x19: ffff0000de0b2000 x18: 1fffe0003379be88 [ 47.579883][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 47.581153][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 47.582398][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 47.583652][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 47.585032][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 47.586426][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.587823][ T6875] Call trace: [ 47.588397][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 47.589500][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 47.590382][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 47.591406][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.592287][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 47.593224][ T6875] ext4_dirty_inode+0xd4/0x104 [ 47.593923][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 47.594676][ T6875] iput+0x1cc/0x83c [ 47.595228][ T6875] dentry_unlink_inode+0x384/0x45c [ 47.596019][ T6875] __dentry_kill+0x170/0x594 [ 47.596695][ T6875] shrink_kill+0xd4/0x2cc [ 47.597382][ T6875] shrink_dentry_list+0x31c/0x6cc [ 47.598140][ T6875] shrink_dcache_parent+0xac/0x27c [ 47.598893][ T6875] do_one_tree+0x2c/0xf0 [ 47.599535][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 47.600306][ T6875] generic_shutdown_super+0x68/0x2b8 [ 47.601046][ T6875] kill_block_super+0x44/0x90 [ 47.601730][ T6875] ext4_kill_sb+0x68/0xa4 [ 47.602343][ T6875] deactivate_locked_super+0xc4/0x12c [ 47.603160][ T6875] deactivate_super+0xe0/0x100 [ 47.603892][ T6875] cleanup_mnt+0x31c/0x3ac [ 47.604596][ T6875] __cleanup_mnt+0x20/0x30 [ 47.605212][ T6875] task_work_run+0x1dc/0x260 [ 47.605952][ T6875] do_notify_resume+0x174/0x1f4 [ 47.606639][ T6875] el0_svc+0xb8/0x180 [ 47.607334][ T6875] el0t_64_sync_handler+0x84/0x12c [ 47.608138][ T6875] el0t_64_sync+0x198/0x19c [ 47.608880][ T6875] irq event stamp: 266820 [ 47.609530][ T6875] hardirqs last enabled at (266819): [] exit_to_kernel_mode+0xc0/0xf0 [ 47.611133][ T6875] hardirqs last disabled at (266820): [] el1_brk64+0x1c/0x48 [ 47.612467][ T6875] softirqs last enabled at (266632): [] local_bh_enable+0x10/0x34 [ 47.613899][ T6875] softirqs last disabled at (266630): [] local_bh_disable+0x10/0x34 [ 47.615382][ T6875] ---[ end trace 0000000000000000 ]--- [ 47.621220][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.641018][ T7287] loop0: detected capacity change from 0 to 1024 [ 47.668274][ T7287] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 47.671739][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 47.671846][ T6875] ------------[ cut here ]------------ [ 47.671850][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.676839][ T6875] Modules linked in: [ 47.677472][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.679201][ T6875] Tainted: [W]=WARN [ 47.679807][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 47.681364][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.682518][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.683537][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.684535][ T6875] sp : ffff80009e2a7100 [ 47.685216][ T6875] x29: ffff80009e2a7260 x28: ffff0000e54515e0 x27: 1fffe0001ca8a2bc [ 47.686518][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 47.687774][ T6875] x23: ffff0000e54515b8 x22: 0000000000000000 x21: dfff800000000000 [ 47.688950][ T6875] x20: ffff0000c78fc068 x19: ffff0000c78fc000 x18: 1fffe0003379be88 [ 47.690116][ T6875] x17: 6572203a39363431 x16: ffff80008b007290 x15: 0000000000000001 [ 47.691317][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 47.692480][ T6875] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 47.693803][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 47.695069][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 47.696348][ T6875] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.697580][ T6875] Call trace: [ 47.698045][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 47.699006][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 47.699848][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 47.700725][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.701550][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 47.702364][ T6875] ext4_dirty_inode+0xd4/0x104 [ 47.703091][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 47.703865][ T6875] iput+0x1cc/0x83c [ 47.704454][ T6875] dentry_unlink_inode+0x384/0x45c [ 47.705200][ T6875] __dentry_kill+0x170/0x594 [ 47.705882][ T6875] shrink_kill+0xd4/0x2cc [ 47.706489][ T6875] shrink_dentry_list+0x31c/0x6cc [ 47.707218][ T6875] shrink_dcache_parent+0xac/0x27c [ 47.708063][ T6875] do_one_tree+0x2c/0xf0 [ 47.708723][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 47.709589][ T6875] generic_shutdown_super+0x68/0x2b8 [ 47.710377][ T6875] kill_block_super+0x44/0x90 [ 47.711143][ T6875] ext4_kill_sb+0x68/0xa4 [ 47.711799][ T6875] deactivate_locked_super+0xc4/0x12c [ 47.712619][ T6875] deactivate_super+0xe0/0x100 [ 47.713360][ T6875] cleanup_mnt+0x31c/0x3ac [ 47.714059][ T6875] __cleanup_mnt+0x20/0x30 [ 47.714748][ T6875] task_work_run+0x1dc/0x260 [ 47.715484][ T6875] do_notify_resume+0x174/0x1f4 [ 47.716292][ T6875] el0_svc+0xb8/0x180 [ 47.716995][ T6875] el0t_64_sync_handler+0x84/0x12c [ 47.717822][ T6875] el0t_64_sync+0x198/0x19c [ 47.718548][ T6875] irq event stamp: 272944 [ 47.719185][ T6875] hardirqs last enabled at (272943): [] exit_to_kernel_mode+0xc0/0xf0 [ 47.720685][ T6875] hardirqs last disabled at (272944): [] el1_brk64+0x1c/0x48 [ 47.722159][ T6875] softirqs last enabled at (272694): [] local_bh_enable+0x10/0x34 [ 47.723746][ T6875] softirqs last disabled at (272692): [] local_bh_disable+0x10/0x34 [ 47.725303][ T6875] ---[ end trace 0000000000000000 ]--- [ 47.747336][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.766440][ T7305] loop0: detected capacity change from 0 to 1024 [ 47.778161][ T7305] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.786150][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 47.788246][ T6875] ------------[ cut here ]------------ [ 47.788253][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.790654][ T6875] Modules linked in: [ 47.791218][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.792732][ T6875] Tainted: [W]=WARN [ 47.793260][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 47.794911][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.796260][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.797249][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.798276][ T6875] sp : ffff80009e2a7100 [ 47.798893][ T6875] x29: ffff80009e2a7260 x28: ffff0000e546b290 x27: 1fffe0001ca8d652 [ 47.800093][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 47.801269][ T6875] x23: ffff0000e546b268 x22: 0000000000000000 x21: dfff800000000000 [ 47.802601][ T6875] x20: ffff0000c7a7c068 x19: ffff0000c7a7c000 x18: 1fffe000337a0688 [ 47.803863][ T6875] x17: ffff80008f7be000 x16: ffff80008b007290 x15: 0000000000000001 [ 47.805094][ T6875] x14: 1fffe0001b201128 x13: 0000000000000000 x12: 0000000000000000 [ 47.806382][ T6875] x11: ffff60001b201129 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 47.807752][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 47.809161][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008048354c [ 47.810382][ T6875] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.811601][ T6875] Call trace: [ 47.812088][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 47.813013][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 47.813867][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 47.814787][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.815674][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 47.816537][ T6875] ext4_dirty_inode+0xd4/0x104 [ 47.817273][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 47.817983][ T6875] iput+0x1cc/0x83c [ 47.818543][ T6875] dentry_unlink_inode+0x384/0x45c [ 47.819318][ T6875] __dentry_kill+0x170/0x594 [ 47.820034][ T6875] shrink_kill+0xd4/0x2cc [ 47.820661][ T6875] shrink_dentry_list+0x31c/0x6cc [ 47.821342][ T6875] shrink_dcache_parent+0xac/0x27c [ 47.822096][ T6875] do_one_tree+0x2c/0xf0 [ 47.822782][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 47.823713][ T6875] generic_shutdown_super+0x68/0x2b8 [ 47.824593][ T6875] kill_block_super+0x44/0x90 [ 47.825349][ T6875] ext4_kill_sb+0x68/0xa4 [ 47.826059][ T6875] deactivate_locked_super+0xc4/0x12c [ 47.826953][ T6875] deactivate_super+0xe0/0x100 [ 47.827675][ T6875] cleanup_mnt+0x31c/0x3ac [ 47.828392][ T6875] __cleanup_mnt+0x20/0x30 [ 47.829028][ T6875] task_work_run+0x1dc/0x260 [ 47.829759][ T6875] do_notify_resume+0x174/0x1f4 [ 47.830512][ T6875] el0_svc+0xb8/0x180 [ 47.831069][ T6875] el0t_64_sync_handler+0x84/0x12c [ 47.831865][ T6875] el0t_64_sync+0x198/0x19c [ 47.832572][ T6875] irq event stamp: 277818 [ 47.833281][ T6875] hardirqs last enabled at (277817): [] finish_lock_switch+0xb0/0x1c0 [ 47.834815][ T6875] hardirqs last disabled at (277818): [] el1_brk64+0x1c/0x48 [ 47.836219][ T6875] softirqs last enabled at (277560): [] handle_softirqs+0xaf8/0xc88 [ 47.837693][ T6875] softirqs last disabled at (277435): [] __do_softirq+0x14/0x20 [ 47.839241][ T6875] ---[ end trace 0000000000000000 ]--- [ 47.843049][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.858965][ T7316] loop0: detected capacity change from 0 to 1024 [ 47.882848][ T7316] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.891362][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 47.894736][ T6875] ------------[ cut here ]------------ [ 47.894747][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.897023][ T6875] Modules linked in: [ 47.897566][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 47.899076][ T6875] Tainted: [W]=WARN [ 47.899579][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 47.901120][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 47.902357][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.903244][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.904147][ T6875] sp : ffff80009e2a7100 [ 47.904729][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4e895e0 x27: 1fffe0001c9d12bc [ 47.905894][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 47.907043][ T6875] x23: ffff0000e4e895b8 x22: 0000000000000000 x21: dfff800000000000 [ 47.908199][ T6875] x20: ffff0000cc9da068 x19: ffff0000cc9da000 x18: 1fffe000337a0688 [ 47.909324][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 47.910434][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 47.911610][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 47.912780][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 47.913907][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 47.915037][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 47.916218][ T6875] Call trace: [ 47.916716][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 47.917715][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 47.918510][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 47.919381][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 47.920190][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 47.920956][ T6875] ext4_dirty_inode+0xd4/0x104 [ 47.921619][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 47.922359][ T6875] iput+0x1cc/0x83c [ 47.922973][ T6875] dentry_unlink_inode+0x384/0x45c [ 47.923782][ T6875] __dentry_kill+0x170/0x594 [ 47.924458][ T6875] shrink_kill+0xd4/0x2cc [ 47.925085][ T6875] shrink_dentry_list+0x31c/0x6cc [ 47.925910][ T6875] shrink_dcache_parent+0xac/0x27c [ 47.926763][ T6875] do_one_tree+0x2c/0xf0 [ 47.927466][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 47.928337][ T6875] generic_shutdown_super+0x68/0x2b8 [ 47.929191][ T6875] kill_block_super+0x44/0x90 [ 47.930002][ T6875] ext4_kill_sb+0x68/0xa4 [ 47.930741][ T6875] deactivate_locked_super+0xc4/0x12c [ 47.931625][ T6875] deactivate_super+0xe0/0x100 [ 47.932415][ T6875] cleanup_mnt+0x31c/0x3ac [ 47.933163][ T6875] __cleanup_mnt+0x20/0x30 [ 47.933908][ T6875] task_work_run+0x1dc/0x260 [ 47.934676][ T6875] do_notify_resume+0x174/0x1f4 [ 47.935447][ T6875] el0_svc+0xb8/0x180 [ 47.936077][ T6875] el0t_64_sync_handler+0x84/0x12c [ 47.936953][ T6875] el0t_64_sync+0x198/0x19c [ 47.937639][ T6875] irq event stamp: 282678 [ 47.938289][ T6875] hardirqs last enabled at (282677): [] finish_lock_switch+0xb0/0x1c0 [ 47.939778][ T6875] hardirqs last disabled at (282678): [] el1_brk64+0x1c/0x48 [ 47.941097][ T6875] softirqs last enabled at (282410): [] local_bh_enable+0x10/0x34 [ 47.942578][ T6875] softirqs last disabled at (282408): [] local_bh_disable+0x10/0x34 [ 47.944167][ T6875] ---[ end trace 0000000000000000 ]--- [ 47.947645][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 47.966345][ T7326] loop0: detected capacity change from 0 to 1024 [ 47.986123][ T7326] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 47.992668][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 47.995895][ T6875] ------------[ cut here ]------------ [ 47.995905][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 47.998217][ T6875] Modules linked in: [ 47.998773][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.000267][ T6875] Tainted: [W]=WARN [ 48.000761][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.002083][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.003146][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.004094][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.005012][ T6875] sp : ffff80009e2a7100 [ 48.005603][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5471f70 x27: 1fffe0001ca8e3ee [ 48.006738][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 48.007869][ T6875] x23: ffff0000e5471f48 x22: 0000000000000000 x21: dfff800000000000 [ 48.008980][ T6875] x20: ffff0000cbcee068 x19: ffff0000cbcee000 x18: 1fffe000337a0688 [ 48.010104][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 48.011219][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 48.012353][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 48.013476][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 48.014610][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 48.015851][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.017185][ T6875] Call trace: [ 48.017703][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 48.018778][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 48.019653][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 48.020588][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.021493][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.022364][ T6875] ext4_dirty_inode+0xd4/0x104 [ 48.023152][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 48.023949][ T6875] iput+0x1cc/0x83c [ 48.024601][ T6875] dentry_unlink_inode+0x384/0x45c [ 48.025495][ T6875] __dentry_kill+0x170/0x594 [ 48.026239][ T6875] shrink_kill+0xd4/0x2cc [ 48.026960][ T6875] shrink_dentry_list+0x31c/0x6cc [ 48.027817][ T6875] shrink_dcache_parent+0xac/0x27c [ 48.028687][ T6875] do_one_tree+0x2c/0xf0 [ 48.029359][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 48.030264][ T6875] generic_shutdown_super+0x68/0x2b8 [ 48.031097][ T6875] kill_block_super+0x44/0x90 [ 48.031878][ T6875] ext4_kill_sb+0x68/0xa4 [ 48.032656][ T6875] deactivate_locked_super+0xc4/0x12c [ 48.033555][ T6875] deactivate_super+0xe0/0x100 [ 48.034413][ T6875] cleanup_mnt+0x31c/0x3ac [ 48.035166][ T6875] __cleanup_mnt+0x20/0x30 [ 48.035867][ T6875] task_work_run+0x1dc/0x260 [ 48.036576][ T6875] do_notify_resume+0x174/0x1f4 [ 48.037344][ T6875] el0_svc+0xb8/0x180 [ 48.038048][ T6875] el0t_64_sync_handler+0x84/0x12c [ 48.038972][ T6875] el0t_64_sync+0x198/0x19c [ 48.039722][ T6875] irq event stamp: 289736 [ 48.040448][ T6875] hardirqs last enabled at (289735): [] finish_lock_switch+0xb0/0x1c0 [ 48.041974][ T6875] hardirqs last disabled at (289736): [] el1_brk64+0x1c/0x48 [ 48.043374][ T6875] softirqs last enabled at (289458): [] local_bh_enable+0x10/0x34 [ 48.044779][ T6875] softirqs last disabled at (289456): [] local_bh_disable+0x10/0x34 [ 48.046195][ T6875] ---[ end trace 0000000000000000 ]--- [ 48.051432][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.071838][ T7340] loop0: detected capacity change from 0 to 1024 [ 48.100001][ T7340] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 48.107610][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 48.107713][ T6875] ------------[ cut here ]------------ [ 48.107719][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.112218][ T6875] Modules linked in: [ 48.112888][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.114640][ T6875] Tainted: [W]=WARN [ 48.115249][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.116785][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.118059][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.119165][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.120192][ T6875] sp : ffff80009e2a7100 [ 48.120843][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4e8f580 x27: 1fffe0001c9d1eb0 [ 48.122115][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 48.123467][ T6875] x23: ffff0000e4e8f558 x22: 0000000000000000 x21: dfff800000000000 [ 48.124751][ T6875] x20: ffff0000d9c9e068 x19: ffff0000d9c9e000 x18: 0000000000000000 [ 48.125939][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 48.127110][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 48.128354][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 48.129675][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 48.131059][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 48.132443][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.133745][ T6875] Call trace: [ 48.134240][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 48.135208][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 48.135997][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 48.136833][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.137706][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.138571][ T6875] ext4_dirty_inode+0xd4/0x104 [ 48.139378][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 48.140217][ T6875] iput+0x1cc/0x83c [ 48.140779][ T6875] dentry_unlink_inode+0x384/0x45c [ 48.141567][ T6875] __dentry_kill+0x170/0x594 [ 48.142232][ T6875] shrink_kill+0xd4/0x2cc [ 48.142928][ T6875] shrink_dentry_list+0x31c/0x6cc [ 48.143666][ T6875] shrink_dcache_parent+0xac/0x27c [ 48.144424][ T6875] do_one_tree+0x2c/0xf0 [ 48.144998][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 48.145795][ T6875] generic_shutdown_super+0x68/0x2b8 [ 48.146570][ T6875] kill_block_super+0x44/0x90 [ 48.147352][ T6875] ext4_kill_sb+0x68/0xa4 [ 48.148021][ T6875] deactivate_locked_super+0xc4/0x12c [ 48.148867][ T6875] deactivate_super+0xe0/0x100 [ 48.149716][ T6875] cleanup_mnt+0x31c/0x3ac [ 48.150388][ T6875] __cleanup_mnt+0x20/0x30 [ 48.151124][ T6875] task_work_run+0x1dc/0x260 [ 48.151850][ T6875] do_notify_resume+0x174/0x1f4 [ 48.152603][ T6875] el0_svc+0xb8/0x180 [ 48.153252][ T6875] el0t_64_sync_handler+0x84/0x12c [ 48.154142][ T6875] el0t_64_sync+0x198/0x19c [ 48.154864][ T6875] irq event stamp: 294652 [ 48.155580][ T6875] hardirqs last enabled at (294651): [] exit_to_kernel_mode+0xc0/0xf0 [ 48.157185][ T6875] hardirqs last disabled at (294652): [] el1_brk64+0x1c/0x48 [ 48.158706][ T6875] softirqs last enabled at (294478): [] local_bh_enable+0x10/0x34 [ 48.160354][ T6875] softirqs last disabled at (294476): [] local_bh_disable+0x10/0x34 [ 48.161844][ T6875] ---[ end trace 0000000000000000 ]--- [ 48.170971][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.188370][ T7351] loop0: detected capacity change from 0 to 1024 [ 48.217153][ T7351] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 48.229433][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 48.229522][ T6875] ------------[ cut here ]------------ [ 48.229527][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.233694][ T6875] Modules linked in: [ 48.234330][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.236149][ T6875] Tainted: [W]=WARN [ 48.236751][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.238354][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.239461][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.240341][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.241299][ T6875] sp : ffff80009e2a7100 [ 48.241865][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4e91f70 x27: 1fffe0001c9d23ee [ 48.242995][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 48.244113][ T6875] x23: ffff0000e4e91f48 x22: 0000000000000000 x21: dfff800000000000 [ 48.245225][ T6875] x20: ffff0000ce358068 x19: ffff0000ce358000 x18: 1fffe000337a0688 [ 48.246362][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 48.247519][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 48.248634][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 48.249803][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 48.250923][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 48.252041][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.253146][ T6875] Call trace: [ 48.253618][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 48.254541][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 48.255288][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 48.256238][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.257123][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.257937][ T6875] ext4_dirty_inode+0xd4/0x104 [ 48.258649][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 48.259383][ T6875] iput+0x1cc/0x83c [ 48.259938][ T6875] dentry_unlink_inode+0x384/0x45c [ 48.260725][ T6875] __dentry_kill+0x170/0x594 [ 48.261441][ T6875] shrink_kill+0xd4/0x2cc [ 48.262060][ T6875] shrink_dentry_list+0x31c/0x6cc [ 48.262817][ T6875] shrink_dcache_parent+0xac/0x27c [ 48.263595][ T6875] do_one_tree+0x2c/0xf0 [ 48.264305][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 48.265262][ T6875] generic_shutdown_super+0x68/0x2b8 [ 48.266107][ T6875] kill_block_super+0x44/0x90 [ 48.266864][ T6875] ext4_kill_sb+0x68/0xa4 [ 48.267521][ T6875] deactivate_locked_super+0xc4/0x12c [ 48.268408][ T6875] deactivate_super+0xe0/0x100 [ 48.269231][ T6875] cleanup_mnt+0x31c/0x3ac [ 48.269959][ T6875] __cleanup_mnt+0x20/0x30 [ 48.270715][ T6875] task_work_run+0x1dc/0x260 [ 48.271522][ T6875] do_notify_resume+0x174/0x1f4 [ 48.272274][ T6875] el0_svc+0xb8/0x180 [ 48.272886][ T6875] el0t_64_sync_handler+0x84/0x12c [ 48.273614][ T6875] el0t_64_sync+0x198/0x19c [ 48.274292][ T6875] irq event stamp: 299726 [ 48.274956][ T6875] hardirqs last enabled at (299725): [] exit_to_kernel_mode+0xc0/0xf0 [ 48.276438][ T6875] hardirqs last disabled at (299726): [] el1_brk64+0x1c/0x48 [ 48.277880][ T6875] softirqs last enabled at (299478): [] local_bh_enable+0x10/0x34 [ 48.279316][ T6875] softirqs last disabled at (299476): [] local_bh_disable+0x10/0x34 [ 48.280708][ T6875] ---[ end trace 0000000000000000 ]--- [ 48.286384][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.301635][ T7359] loop0: detected capacity change from 0 to 1024 [ 48.306280][ T7359] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 48.309321][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 48.311147][ T6875] ------------[ cut here ]------------ [ 48.311153][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.313349][ T6875] Modules linked in: [ 48.313906][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.315431][ T6875] Tainted: [W]=WARN [ 48.316039][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.317590][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.318732][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.319641][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.320727][ T6875] sp : ffff80009e2a7100 [ 48.321340][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4e945b0 x27: 1fffe0001c9d28b6 [ 48.322590][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 48.323812][ T6875] x23: ffff0000e4e94588 x22: 0000000000000000 x21: dfff800000000000 [ 48.325053][ T6875] x20: ffff0000dc000068 x19: ffff0000dc000000 x18: 1fffe0003379be88 [ 48.326227][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 48.327329][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 48.328689][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 48.329934][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 48.331338][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 48.332665][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.333958][ T6875] Call trace: [ 48.334459][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 48.335478][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 48.336287][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 48.337173][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.338126][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.339035][ T6875] ext4_dirty_inode+0xd4/0x104 [ 48.339816][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 48.340557][ T6875] iput+0x1cc/0x83c [ 48.341144][ T6875] dentry_unlink_inode+0x384/0x45c [ 48.341943][ T6875] __dentry_kill+0x170/0x594 [ 48.342603][ T6875] shrink_kill+0xd4/0x2cc [ 48.343222][ T6875] shrink_dentry_list+0x31c/0x6cc [ 48.343954][ T6875] shrink_dcache_parent+0xac/0x27c [ 48.344704][ T6875] do_one_tree+0x2c/0xf0 [ 48.345405][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 48.346316][ T6875] generic_shutdown_super+0x68/0x2b8 [ 48.347186][ T6875] kill_block_super+0x44/0x90 [ 48.347906][ T6875] ext4_kill_sb+0x68/0xa4 [ 48.348555][ T6875] deactivate_locked_super+0xc4/0x12c [ 48.349388][ T6875] deactivate_super+0xe0/0x100 [ 48.350120][ T6875] cleanup_mnt+0x31c/0x3ac [ 48.350786][ T6875] __cleanup_mnt+0x20/0x30 [ 48.351482][ T6875] task_work_run+0x1dc/0x260 [ 48.352222][ T6875] do_notify_resume+0x174/0x1f4 [ 48.352990][ T6875] el0_svc+0xb8/0x180 [ 48.353631][ T6875] el0t_64_sync_handler+0x84/0x12c [ 48.354398][ T6875] el0t_64_sync+0x198/0x19c [ 48.355042][ T6875] irq event stamp: 305188 [ 48.355796][ T6875] hardirqs last enabled at (305187): [] finish_lock_switch+0xb0/0x1c0 [ 48.357223][ T6875] hardirqs last disabled at (305188): [] el1_brk64+0x1c/0x48 [ 48.358525][ T6875] softirqs last enabled at (305010): [] local_bh_enable+0x10/0x34 [ 48.359858][ T6875] softirqs last disabled at (305008): [] local_bh_disable+0x10/0x34 [ 48.361225][ T6875] ---[ end trace 0000000000000000 ]--- [ 48.365226][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.384789][ T7363] loop0: detected capacity change from 0 to 1024 [ 48.395715][ T7363] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ ** replaying previous printk message ** [ 48.400949][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 48.401041][ T6875] ------------[ cut here ]------------ [ 48.401045][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.405543][ T6875] Modules linked in: [ 48.406111][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.407553][ T6875] Tainted: [W]=WARN [ 48.408092][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.409462][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.410555][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.411468][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.412354][ T6875] sp : ffff80009e2a7100 [ 48.412930][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4e99f70 x27: 1fffe0001c9d33ee [ 48.414018][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 48.415126][ T6875] x23: ffff0000e4e99f48 x22: 0000000000000000 x21: dfff800000000000 [ 48.416235][ T6875] x20: ffff0000d097e068 x19: ffff0000d097e000 x18: 1fffe000337a0688 [ 48.417333][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 48.418591][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 48.419789][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 48.420926][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 48.422085][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 48.423236][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.424376][ T6875] Call trace: [ 48.424828][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 48.425871][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 48.426706][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 48.427641][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.428512][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.429281][ T6875] ext4_dirty_inode+0xd4/0x104 [ 48.429993][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 48.430814][ T6875] iput+0x1cc/0x83c [ 48.431388][ T6875] dentry_unlink_inode+0x384/0x45c [ 48.432160][ T6875] __dentry_kill+0x170/0x594 [ 48.432908][ T6875] shrink_kill+0xd4/0x2cc [ 48.433617][ T6875] shrink_dentry_list+0x31c/0x6cc [ 48.434441][ T6875] shrink_dcache_parent+0xac/0x27c [ 48.435232][ T6875] do_one_tree+0x2c/0xf0 [ 48.435880][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 48.436726][ T6875] generic_shutdown_super+0x68/0x2b8 [ 48.437499][ T6875] kill_block_super+0x44/0x90 [ 48.438245][ T6875] ext4_kill_sb+0x68/0xa4 [ 48.438875][ T6875] deactivate_locked_super+0xc4/0x12c [ 48.439712][ T6875] deactivate_super+0xe0/0x100 [ 48.440417][ T6875] cleanup_mnt+0x31c/0x3ac [ 48.441126][ T6875] __cleanup_mnt+0x20/0x30 [ 48.441871][ T6875] task_work_run+0x1dc/0x260 [ 48.442574][ T6875] do_notify_resume+0x174/0x1f4 [ 48.443420][ T6875] el0_svc+0xb8/0x180 [ 48.443577][ T6562] Bluetooth: hci0: command tx timeout [ 48.444849][ T6875] el0t_64_sync_handler+0x84/0x12c [ 48.445632][ T6875] el0t_64_sync+0x198/0x19c [ 48.446294][ T6875] irq event stamp: 309834 [ 48.446937][ T6875] hardirqs last enabled at (309833): [] exit_to_kernel_mode+0xc0/0xf0 [ 48.448401][ T6875] hardirqs last disabled at (309834): [] el1_brk64+0x1c/0x48 [ 48.449706][ T6875] softirqs last enabled at (309564): [] local_bh_enable+0x10/0x34 [ 48.451169][ T6875] softirqs last disabled at (309562): [] local_bh_disable+0x10/0x34 [ 48.452605][ T6875] ---[ end trace 0000000000000000 ]--- [ 48.457265][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.470187][ T7367] loop0: detected capacity change from 0 to 1024 [ 48.490281][ T7367] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 48.493487][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 48.493644][ T6875] ------------[ cut here ]------------ [ 48.493650][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.497807][ T6875] Modules linked in: [ 48.498456][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.500159][ T6875] Tainted: [W]=WARN [ 48.500784][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.502471][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.503635][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.504682][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.505647][ T6875] sp : ffff80009e2a7100 [ 48.506234][ T6875] x29: ffff80009e2a7260 x28: ffff0000e547bc20 x27: 1fffe0001ca8f784 [ 48.507497][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 48.508815][ T6875] x23: ffff0000e547bbf8 x22: 0000000000000000 x21: dfff800000000000 [ 48.510157][ T6875] x20: ffff0000d4844068 x19: ffff0000d4844000 x18: 1fffe0003379be88 [ 48.511412][ T6875] x17: 6572203a39363431 x16: ffff80008b007290 x15: 0000000000000001 [ 48.512650][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 48.513873][ T6875] x11: 0000000000000000 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 48.515096][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 48.516356][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 48.517577][ T6875] x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.518786][ T6875] Call trace: [ 48.519266][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 48.520168][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 48.520896][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 48.521730][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.522578][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.523432][ T6875] ext4_dirty_inode+0xd4/0x104 [ 48.524094][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 48.524965][ T6875] iput+0x1cc/0x83c [ 48.525593][ T6875] dentry_unlink_inode+0x384/0x45c [ 48.526405][ T6875] __dentry_kill+0x170/0x594 [ 48.527178][ T6875] shrink_kill+0xd4/0x2cc [ 48.527871][ T6875] shrink_dentry_list+0x31c/0x6cc [ 48.528702][ T6875] shrink_dcache_parent+0xac/0x27c [ 48.529541][ T6875] do_one_tree+0x2c/0xf0 [ 48.530232][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 48.531107][ T6875] generic_shutdown_super+0x68/0x2b8 [ 48.531981][ T6875] kill_block_super+0x44/0x90 [ 48.532742][ T6875] ext4_kill_sb+0x68/0xa4 [ 48.533418][ T6875] deactivate_locked_super+0xc4/0x12c [ 48.534337][ T6875] deactivate_super+0xe0/0x100 [ 48.535128][ T6875] cleanup_mnt+0x31c/0x3ac [ 48.535834][ T6875] __cleanup_mnt+0x20/0x30 [ 48.536530][ T6875] task_work_run+0x1dc/0x260 [ 48.537272][ T6875] do_notify_resume+0x174/0x1f4 [ 48.538110][ T6875] el0_svc+0xb8/0x180 [ 48.538739][ T6875] el0t_64_sync_handler+0x84/0x12c [ 48.539574][ T6875] el0t_64_sync+0x198/0x19c [ 48.540315][ T6875] irq event stamp: 314420 [ 48.540979][ T6875] hardirqs last enabled at (314419): [] exit_to_kernel_mode+0xc0/0xf0 [ 48.542577][ T6875] hardirqs last disabled at (314420): [] el1_brk64+0x1c/0x48 [ 48.544051][ T6875] softirqs last enabled at (314412): [] handle_softirqs+0xaf8/0xc88 [ 48.545617][ T6875] softirqs last disabled at (314399): [] __do_softirq+0x14/0x20 [ 48.547158][ T6875] ---[ end trace 0000000000000000 ]--- [ 48.551985][ T6875] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 48.571644][ T7371] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 48.588922][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 48.589013][ T6875] ------------[ cut here ]------------ [ 48.589017][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.593680][ T6875] Modules linked in: [ 48.594320][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.596153][ T6875] Tainted: [W]=WARN [ 48.596783][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.598547][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.599784][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.600809][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.601944][ T6875] sp : ffff80009e2a7100 [ 48.602676][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4e782c0 x27: 1fffe0001c9cf058 [ 48.603989][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 48.605215][ T6875] x23: ffff0000e4e78298 x22: 0000000000000000 x21: dfff800000000000 [ 48.606447][ T6875] x20: ffff0000dcd2c068 x19: ffff0000dcd2c000 x18: 1fffe000337a0688 [ 48.607627][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 48.608755][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 48.609862][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 48.610954][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 48.612099][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 48.613225][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.614315][ T6875] Call trace: [ 48.614760][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 48.615685][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 48.616414][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 48.617344][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.618184][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.618983][ T6875] ext4_dirty_inode+0xd4/0x104 [ 48.619668][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 48.620491][ T6875] iput+0x1cc/0x83c [ 48.621112][ T6875] dentry_unlink_inode+0x384/0x45c [ 48.621967][ T6875] __dentry_kill+0x170/0x594 [ 48.622719][ T6875] shrink_kill+0xd4/0x2cc [ 48.623334][ T6875] shrink_dentry_list+0x31c/0x6cc [ 48.624179][ T6875] shrink_dcache_parent+0xac/0x27c [ 48.625023][ T6875] do_one_tree+0x2c/0xf0 [ 48.625750][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 48.626600][ T6875] generic_shutdown_super+0x68/0x2b8 [ 48.627550][ T6875] kill_block_super+0x44/0x90 [ 48.628294][ T6875] ext4_kill_sb+0x68/0xa4 [ 48.629025][ T6875] deactivate_locked_super+0xc4/0x12c [ 48.629934][ T6875] deactivate_super+0xe0/0x100 [ 48.630888][ T6875] cleanup_mnt+0x31c/0x3ac [ 48.631653][ T6875] __cleanup_mnt+0x20/0x30 [ 48.632316][ T6875] task_work_run+0x1dc/0x260 [ 48.633055][ T6875] do_notify_resume+0x174/0x1f4 [ 48.633816][ T6875] el0_svc+0xb8/0x180 [ 48.634444][ T6875] el0t_64_sync_handler+0x84/0x12c [ 48.635237][ T6875] el0t_64_sync+0x198/0x19c [ 48.635959][ T6875] irq event stamp: 319598 [ 48.636622][ T6875] hardirqs last enabled at (319597): [] exit_to_kernel_mode+0xc0/0xf0 [ 48.638072][ T6875] hardirqs last disabled at (319598): [] el1_brk64+0x1c/0x48 [ 48.639411][ T6875] softirqs last enabled at (319314): [] local_bh_enable+0x10/0x34 [ 48.640770][ T6875] softirqs last disabled at (319312): [] local_bh_disable+0x10/0x34 [ 48.642245][ T6875] ---[ end trace 0000000000000000 ]--- [ 48.661645][ T7375] loop0: detected capacity change from 0 to 1024 [ 48.670925][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 48.671022][ T6875] ------------[ cut here ]------------ [ 48.671028][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.675332][ T6875] Modules linked in: [ 48.675912][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.677468][ T6875] Tainted: [W]=WARN [ 48.678035][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.679403][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.680526][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.681494][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.682428][ T6875] sp : ffff80009e2a7100 [ 48.682997][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4e7e260 x27: 1fffe0001c9cfc4c [ 48.684132][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 48.685251][ T6875] x23: ffff0000e4e7e238 x22: 0000000000000000 x21: dfff800000000000 [ 48.686389][ T6875] x20: ffff0000d25a8068 x19: ffff0000d25a8000 x18: 1fffe0003379be88 [ 48.687574][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 48.688695][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 48.689850][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 48.691179][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 48.692357][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 48.693562][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.694722][ T6875] Call trace: [ 48.695257][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 48.696333][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 48.697188][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 48.698085][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.698963][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.699829][ T6875] ext4_dirty_inode+0xd4/0x104 [ 48.700561][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 48.701352][ T6875] iput+0x1cc/0x83c [ 48.701932][ T6875] dentry_unlink_inode+0x384/0x45c [ 48.702749][ T6875] __dentry_kill+0x170/0x594 [ 48.703467][ T6875] shrink_kill+0xd4/0x2cc [ 48.704174][ T6875] shrink_dentry_list+0x31c/0x6cc [ 48.704974][ T6875] shrink_dcache_parent+0xac/0x27c [ 48.705765][ T6875] do_one_tree+0x2c/0xf0 [ 48.706434][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 48.707191][ T6875] generic_shutdown_super+0x68/0x2b8 [ 48.708002][ T6875] kill_block_super+0x44/0x90 [ 48.708698][ T6875] ext4_kill_sb+0x68/0xa4 [ 48.709319][ T6875] deactivate_locked_super+0xc4/0x12c [ 48.710111][ T6875] deactivate_super+0xe0/0x100 [ 48.710824][ T6875] cleanup_mnt+0x31c/0x3ac [ 48.711445][ T6875] __cleanup_mnt+0x20/0x30 [ 48.712063][ T6875] task_work_run+0x1dc/0x260 [ 48.712790][ T6875] do_notify_resume+0x174/0x1f4 [ 48.713546][ T6875] el0_svc+0xb8/0x180 [ 48.714134][ T6875] el0t_64_sync_handler+0x84/0x12c [ 48.714871][ T6875] el0t_64_sync+0x198/0x19c [ 48.715868][ T6875] irq event stamp: 325348 [ 48.716560][ T6875] hardirqs last enabled at (325347): [] exit_to_kernel_mode+0xc0/0xf0 [ 48.718087][ T6875] hardirqs last disabled at (325348): [] el1_brk64+0x1c/0x48 [ 48.719501][ T6875] softirqs last enabled at (324992): [] local_bh_enable+0x10/0x34 [ 48.720914][ T6875] softirqs last disabled at (324990): [] local_bh_disable+0x10/0x34 [ 48.722312][ T6875] ---[ end trace 0000000000000000 ]--- [ 48.745504][ T7379] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 48.761270][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 48.761355][ T6875] ------------[ cut here ]------------ [ 48.761359][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.766255][ T6875] Modules linked in: [ 48.766920][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.768730][ T6875] Tainted: [W]=WARN [ 48.769370][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.771064][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.772256][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.773268][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.774231][ T6875] sp : ffff80009e2a7100 [ 48.774887][ T6875] x29: ffff80009e2a7260 x28: ffff0000ddbb8c50 x27: 1fffe0001bb7718a [ 48.776192][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 48.777478][ T6875] x23: ffff0000ddbb8c28 x22: 0000000000000000 x21: dfff800000000000 [ 48.778711][ T6875] x20: ffff0000cbc62068 x19: ffff0000cbc62000 x18: 1fffe0003379be88 [ 48.779914][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 48.781230][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 48.782555][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 48.783882][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 48.785137][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 48.786515][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.787886][ T6875] Call trace: [ 48.788437][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 48.789498][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 48.790365][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 48.791347][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.792294][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.793155][ T6875] ext4_dirty_inode+0xd4/0x104 [ 48.793936][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 48.794809][ T6875] iput+0x1cc/0x83c [ 48.795445][ T6875] dentry_unlink_inode+0x384/0x45c [ 48.796254][ T6875] __dentry_kill+0x170/0x594 [ 48.797031][ T6875] shrink_kill+0xd4/0x2cc [ 48.797657][ T6875] shrink_dentry_list+0x31c/0x6cc [ 48.798416][ T6875] shrink_dcache_parent+0xac/0x27c [ 48.799183][ T6875] do_one_tree+0x2c/0xf0 [ 48.799870][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 48.800676][ T6875] generic_shutdown_super+0x68/0x2b8 [ 48.801464][ T6875] kill_block_super+0x44/0x90 [ 48.802100][ T6875] ext4_kill_sb+0x68/0xa4 [ 48.802767][ T6875] deactivate_locked_super+0xc4/0x12c [ 48.803536][ T6875] deactivate_super+0xe0/0x100 [ 48.804242][ T6875] cleanup_mnt+0x31c/0x3ac [ 48.804911][ T6875] __cleanup_mnt+0x20/0x30 [ 48.805603][ T6875] task_work_run+0x1dc/0x260 [ 48.806284][ T6875] do_notify_resume+0x174/0x1f4 [ 48.807024][ T6875] el0_svc+0xb8/0x180 [ 48.807652][ T6875] el0t_64_sync_handler+0x84/0x12c [ 48.808422][ T6875] el0t_64_sync+0x198/0x19c [ 48.809048][ T6875] irq event stamp: 329946 [ 48.809678][ T6875] hardirqs last enabled at (329945): [] exit_to_kernel_mode+0xc0/0xf0 [ 48.810994][ T6875] hardirqs last disabled at (329946): [] el1_brk64+0x1c/0x48 [ 48.812298][ T6875] softirqs last enabled at (329786): [] local_bh_enable+0x10/0x34 [ 48.813673][ T6875] softirqs last disabled at (329784): [] local_bh_disable+0x10/0x34 [ 48.815178][ T6875] ---[ end trace 0000000000000000 ]--- [ 48.829839][ T7383] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 48.851993][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 48.852084][ T6875] ------------[ cut here ]------------ [ 48.852089][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.856538][ T6875] Modules linked in: [ 48.857087][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.858619][ T6875] Tainted: [W]=WARN [ 48.859157][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.860563][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.861657][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.862545][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.863443][ T6875] sp : ffff80009e2a7100 [ 48.864050][ T6875] x29: ffff80009e2a7260 x28: ffff0000ddbbcf40 x27: 1fffe0001bb779e8 [ 48.865186][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 48.866326][ T6875] x23: ffff0000ddbbcf18 x22: 0000000000000000 x21: dfff800000000000 [ 48.867487][ T6875] x20: ffff0000cf5be068 x19: ffff0000cf5be000 x18: 1fffe0003379be88 [ 48.868824][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 48.870153][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 48.871404][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 48.872674][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 48.873946][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 48.875207][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.876608][ T6875] Call trace: [ 48.877155][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 48.878236][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 48.879154][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 48.880050][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.880954][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.881775][ T6875] ext4_dirty_inode+0xd4/0x104 [ 48.882557][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 48.883438][ T6875] iput+0x1cc/0x83c [ 48.884125][ T6875] dentry_unlink_inode+0x384/0x45c [ 48.885028][ T6875] __dentry_kill+0x170/0x594 [ 48.885802][ T6875] shrink_kill+0xd4/0x2cc [ 48.886476][ T6875] shrink_dentry_list+0x31c/0x6cc [ 48.887202][ T6875] shrink_dcache_parent+0xac/0x27c [ 48.888019][ T6875] do_one_tree+0x2c/0xf0 [ 48.888715][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 48.889566][ T6875] generic_shutdown_super+0x68/0x2b8 [ 48.890371][ T6875] kill_block_super+0x44/0x90 [ 48.891175][ T6875] ext4_kill_sb+0x68/0xa4 [ 48.891936][ T6875] deactivate_locked_super+0xc4/0x12c [ 48.892838][ T6875] deactivate_super+0xe0/0x100 [ 48.893589][ T6875] cleanup_mnt+0x31c/0x3ac [ 48.894292][ T6875] __cleanup_mnt+0x20/0x30 [ 48.894989][ T6875] task_work_run+0x1dc/0x260 [ 48.895706][ T6875] do_notify_resume+0x174/0x1f4 [ 48.896442][ T6875] el0_svc+0xb8/0x180 [ 48.897064][ T6875] el0t_64_sync_handler+0x84/0x12c [ 48.898024][ T6875] el0t_64_sync+0x198/0x19c [ 48.898761][ T6875] irq event stamp: 335408 [ 48.899433][ T6875] hardirqs last enabled at (335407): [] exit_to_kernel_mode+0xc0/0xf0 [ 48.900852][ T6875] hardirqs last disabled at (335408): [] el1_brk64+0x1c/0x48 [ 48.902156][ T6875] softirqs last enabled at (335248): [] local_bh_enable+0x10/0x34 [ 48.903569][ T6875] softirqs last disabled at (335246): [] local_bh_disable+0x10/0x34 [ 48.905045][ T6875] ---[ end trace 0000000000000000 ]--- [ 48.921868][ T7387] loop0: detected capacity change from 0 to 1024 [ 48.939653][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 48.939745][ T6875] ------------[ cut here ]------------ [ 48.939751][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.943920][ T6875] Modules linked in: [ 48.944497][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 48.945994][ T6875] Tainted: [W]=WARN [ 48.946530][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 48.947923][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 48.949043][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.950034][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 48.951033][ T6875] sp : ffff80009e2a7100 [ 48.951689][ T6875] x29: ffff80009e2a7260 x28: ffff0000e541bc20 x27: 1fffe0001ca83784 [ 48.952979][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 48.954162][ T6875] x23: ffff0000e541bbf8 x22: 0000000000000000 x21: dfff800000000000 [ 48.955334][ T6875] x20: ffff0000d4b04068 x19: ffff0000d4b04000 x18: 1fffe000337a0688 [ 48.956459][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 48.957636][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 48.958780][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 48.959913][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 48.961021][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 48.962154][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 48.963288][ T6875] Call trace: [ 48.963743][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 48.964606][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 48.965329][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 48.966129][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 48.966906][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 48.967657][ T6875] ext4_dirty_inode+0xd4/0x104 [ 48.968458][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 48.969245][ T6875] iput+0x1cc/0x83c [ 48.969836][ T6875] dentry_unlink_inode+0x384/0x45c [ 48.970707][ T6875] __dentry_kill+0x170/0x594 [ 48.971503][ T6875] shrink_kill+0xd4/0x2cc [ 48.972201][ T6875] shrink_dentry_list+0x31c/0x6cc [ 48.972963][ T6875] shrink_dcache_parent+0xac/0x27c [ 48.973895][ T6875] do_one_tree+0x2c/0xf0 [ 48.974548][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 48.975417][ T6875] generic_shutdown_super+0x68/0x2b8 [ 48.976180][ T6875] kill_block_super+0x44/0x90 [ 48.976978][ T6875] ext4_kill_sb+0x68/0xa4 [ 48.977742][ T6875] deactivate_locked_super+0xc4/0x12c [ 48.978631][ T6875] deactivate_super+0xe0/0x100 [ 48.979427][ T6875] cleanup_mnt+0x31c/0x3ac [ 48.980182][ T6875] __cleanup_mnt+0x20/0x30 [ 48.980914][ T6875] task_work_run+0x1dc/0x260 [ 48.981679][ T6875] do_notify_resume+0x174/0x1f4 [ 48.982461][ T6875] el0_svc+0xb8/0x180 [ 48.983086][ T6875] el0t_64_sync_handler+0x84/0x12c [ 48.983877][ T6875] el0t_64_sync+0x198/0x19c [ 48.984564][ T6875] irq event stamp: 340002 [ 48.985206][ T6875] hardirqs last enabled at (340001): [] exit_to_kernel_mode+0xc0/0xf0 [ 48.986843][ T6875] hardirqs last disabled at (340002): [] el1_brk64+0x1c/0x48 [ 48.988240][ T6875] softirqs last enabled at (339734): [] local_bh_enable+0x10/0x34 [ 48.989650][ T6875] softirqs last disabled at (339732): [] local_bh_disable+0x10/0x34 [ 48.991242][ T6875] ---[ end trace 0000000000000000 ]--- [ 49.021453][ T7391] loop0: detected capacity change from 0 to 1024 [ 49.046177][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 49.047981][ T6875] ------------[ cut here ]------------ [ 49.047988][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.050111][ T6875] Modules linked in: [ 49.050686][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.052195][ T6875] Tainted: [W]=WARN [ 49.052749][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.054263][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.055516][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.056572][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.057629][ T6875] sp : ffff80009e2a7100 [ 49.058307][ T6875] x29: ffff80009e2a7260 x28: ffff0000dd8902c0 x27: 1fffe0001bb12058 [ 49.059500][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 49.060711][ T6875] x23: ffff0000dd890298 x22: 0000000000000000 x21: dfff800000000000 [ 49.061905][ T6875] x20: ffff0000d48e6068 x19: ffff0000d48e6000 x18: 1fffe000337a0688 [ 49.063272][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 49.064572][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 49.065902][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 49.067228][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 49.068533][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 49.069822][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.071125][ T6875] Call trace: [ 49.071641][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 49.072671][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 49.073462][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 49.074338][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.075181][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.076053][ T6875] ext4_dirty_inode+0xd4/0x104 [ 49.076774][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 49.077566][ T6875] iput+0x1cc/0x83c [ 49.078191][ T6875] dentry_unlink_inode+0x384/0x45c [ 49.078992][ T6875] __dentry_kill+0x170/0x594 [ 49.079767][ T6875] shrink_kill+0xd4/0x2cc [ 49.080458][ T6875] shrink_dentry_list+0x31c/0x6cc [ 49.081265][ T6875] shrink_dcache_parent+0xac/0x27c [ 49.082102][ T6875] do_one_tree+0x2c/0xf0 [ 49.082743][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 49.083676][ T6875] generic_shutdown_super+0x68/0x2b8 [ 49.084491][ T6875] kill_block_super+0x44/0x90 [ 49.085240][ T6875] ext4_kill_sb+0x68/0xa4 [ 49.085959][ T6875] deactivate_locked_super+0xc4/0x12c [ 49.086792][ T6875] deactivate_super+0xe0/0x100 [ 49.087497][ T6875] cleanup_mnt+0x31c/0x3ac [ 49.088145][ T6875] __cleanup_mnt+0x20/0x30 [ 49.088775][ T6875] task_work_run+0x1dc/0x260 [ 49.089527][ T6875] do_notify_resume+0x174/0x1f4 [ 49.090250][ T6875] el0_svc+0xb8/0x180 [ 49.090910][ T6875] el0t_64_sync_handler+0x84/0x12c [ 49.091655][ T6875] el0t_64_sync+0x198/0x19c [ 49.092326][ T6875] irq event stamp: 344938 [ 49.092978][ T6875] hardirqs last enabled at (344937): [] finish_lock_switch+0xb0/0x1c0 [ 49.094433][ T6875] hardirqs last disabled at (344938): [] el1_brk64+0x1c/0x48 [ 49.095721][ T6875] softirqs last enabled at (344698): [] handle_softirqs+0xaf8/0xc88 [ 49.097245][ T6875] softirqs last disabled at (344571): [] __do_softirq+0x14/0x20 [ 49.098663][ T6875] ---[ end trace 0000000000000000 ]--- [ 49.122259][ T7395] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 49.149808][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 49.149898][ T6875] ------------[ cut here ]------------ [ 49.149902][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.154747][ T6875] Modules linked in: [ 49.155343][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.157101][ T6875] Tainted: [W]=WARN [ 49.157701][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.159355][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.160569][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.161587][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.162667][ T6875] sp : ffff80009e2a7100 [ 49.163347][ T6875] x29: ffff80009e2a7260 x28: ffff0000e541cf40 x27: 1fffe0001ca839e8 [ 49.164635][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 49.165931][ T6875] x23: ffff0000e541cf18 x22: 0000000000000000 x21: dfff800000000000 [ 49.167213][ T6875] x20: ffff0000d57dc068 x19: ffff0000d57dc000 x18: 1fffe0003379be88 [ 49.168584][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 49.169956][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 49.171277][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 49.172647][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 49.173985][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 49.175290][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.176639][ T6875] Call trace: [ 49.177179][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 49.178214][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 49.179070][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 49.179972][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.180877][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.181815][ T6875] ext4_dirty_inode+0xd4/0x104 [ 49.182581][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 49.183423][ T6875] iput+0x1cc/0x83c [ 49.184021][ T6875] dentry_unlink_inode+0x384/0x45c [ 49.184886][ T6875] __dentry_kill+0x170/0x594 [ 49.185685][ T6875] shrink_kill+0xd4/0x2cc [ 49.186409][ T6875] shrink_dentry_list+0x31c/0x6cc [ 49.187204][ T6875] shrink_dcache_parent+0xac/0x27c [ 49.188067][ T6875] do_one_tree+0x2c/0xf0 [ 49.188765][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 49.189675][ T6875] generic_shutdown_super+0x68/0x2b8 [ 49.190564][ T6875] kill_block_super+0x44/0x90 [ 49.191361][ T6875] ext4_kill_sb+0x68/0xa4 [ 49.192101][ T6875] deactivate_locked_super+0xc4/0x12c [ 49.193005][ T6875] deactivate_super+0xe0/0x100 [ 49.193839][ T6875] cleanup_mnt+0x31c/0x3ac [ 49.194553][ T6875] __cleanup_mnt+0x20/0x30 [ 49.195353][ T6875] task_work_run+0x1dc/0x260 [ 49.196164][ T6875] do_notify_resume+0x174/0x1f4 [ 49.197004][ T6875] el0_svc+0xb8/0x180 [ 49.197693][ T6875] el0t_64_sync_handler+0x84/0x12c [ 49.198529][ T6875] el0t_64_sync+0x198/0x19c [ 49.199245][ T6875] irq event stamp: 349564 [ 49.199893][ T6875] hardirqs last enabled at (349563): [] exit_to_kernel_mode+0xc0/0xf0 [ 49.201412][ T6875] hardirqs last disabled at (349564): [] el1_brk64+0x1c/0x48 [ 49.202907][ T6875] softirqs last enabled at (349398): [] local_bh_enable+0x10/0x34 [ 49.204350][ T6875] softirqs last disabled at (349396): [] local_bh_disable+0x10/0x34 [ 49.205875][ T6875] ---[ end trace 0000000000000000 ]--- [ 49.218942][ T7399] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 49.238698][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 49.238791][ T6875] ------------[ cut here ]------------ [ 49.238796][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.243135][ T6875] Modules linked in: [ 49.243773][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.245577][ T6875] Tainted: [W]=WARN [ 49.246196][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.247860][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.249130][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.250187][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.251240][ T6875] sp : ffff80009e2a7100 [ 49.251948][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5410c50 x27: 1fffe0001ca8218a [ 49.253350][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 49.254736][ T6875] x23: ffff0000e5410c28 x22: 0000000000000000 x21: dfff800000000000 [ 49.256017][ T6875] x20: ffff0000d5b0c068 x19: ffff0000d5b0c000 x18: 0000000000000000 [ 49.257292][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 49.258577][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 49.259979][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 49.261370][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 49.262680][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 49.264053][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.265370][ T6875] Call trace: [ 49.265937][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 49.266976][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 49.267854][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 49.268722][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.269627][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.270469][ T6875] ext4_dirty_inode+0xd4/0x104 [ 49.271196][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 49.272016][ T6875] iput+0x1cc/0x83c [ 49.272642][ T6875] dentry_unlink_inode+0x384/0x45c [ 49.273494][ T6875] __dentry_kill+0x170/0x594 [ 49.274244][ T6875] shrink_kill+0xd4/0x2cc [ 49.274989][ T6875] shrink_dentry_list+0x31c/0x6cc [ 49.275808][ T6875] shrink_dcache_parent+0xac/0x27c [ 49.276672][ T6875] do_one_tree+0x2c/0xf0 [ 49.277330][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 49.278165][ T6875] generic_shutdown_super+0x68/0x2b8 [ 49.279071][ T6875] kill_block_super+0x44/0x90 [ 49.279858][ T6875] ext4_kill_sb+0x68/0xa4 [ 49.280582][ T6875] deactivate_locked_super+0xc4/0x12c [ 49.281419][ T6875] deactivate_super+0xe0/0x100 [ 49.282143][ T6875] cleanup_mnt+0x31c/0x3ac [ 49.282942][ T6875] __cleanup_mnt+0x20/0x30 [ 49.283658][ T6875] task_work_run+0x1dc/0x260 [ 49.284421][ T6875] do_notify_resume+0x174/0x1f4 [ 49.285210][ T6875] el0_svc+0xb8/0x180 [ 49.285906][ T6875] el0t_64_sync_handler+0x84/0x12c [ 49.286763][ T6875] el0t_64_sync+0x198/0x19c [ 49.287551][ T6875] irq event stamp: 354210 [ 49.288302][ T6875] hardirqs last enabled at (354209): [] exit_to_kernel_mode+0xc0/0xf0 [ 49.289882][ T6875] hardirqs last disabled at (354210): [] el1_brk64+0x1c/0x48 [ 49.291163][ T6875] softirqs last enabled at (353944): [] local_bh_enable+0x10/0x34 [ 49.292587][ T6875] softirqs last disabled at (353942): [] local_bh_disable+0x10/0x34 [ 49.293917][ T6875] ---[ end trace 0000000000000000 ]--- 1970/01/01 00:00:49 executed programs: 43 [ 49.315561][ T7403] loop0: detected capacity change from 0 to 1024 [ 49.340304][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 49.342361][ T6875] ------------[ cut here ]------------ [ 49.342369][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.344789][ T6875] Modules linked in: [ 49.345397][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.347021][ T6875] Tainted: [W]=WARN [ 49.347644][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.349346][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.350596][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.351571][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.352585][ T6875] sp : ffff80009e2a7100 [ 49.353278][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4ea4f40 x27: 1fffe0001c9d49e8 [ 49.354665][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 49.355938][ T6875] x23: ffff0000e4ea4f18 x22: 0000000000000000 x21: dfff800000000000 [ 49.357121][ T6875] x20: ffff0000d1d18068 x19: ffff0000d1d18000 x18: 1fffe0003379be88 [ 49.358410][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 49.359685][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 49.360959][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 49.362251][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 49.363492][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 49.364731][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.365859][ T6875] Call trace: [ 49.366307][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 49.367312][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 49.368089][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 49.369002][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.369862][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.370766][ T6875] ext4_dirty_inode+0xd4/0x104 [ 49.371591][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 49.372484][ T6875] iput+0x1cc/0x83c [ 49.373126][ T6875] dentry_unlink_inode+0x384/0x45c [ 49.373972][ T6875] __dentry_kill+0x170/0x594 [ 49.374765][ T6875] shrink_kill+0xd4/0x2cc [ 49.375474][ T6875] shrink_dentry_list+0x31c/0x6cc [ 49.376363][ T6875] shrink_dcache_parent+0xac/0x27c [ 49.377297][ T6875] do_one_tree+0x2c/0xf0 [ 49.377955][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 49.378829][ T6875] generic_shutdown_super+0x68/0x2b8 [ 49.379707][ T6875] kill_block_super+0x44/0x90 [ 49.380485][ T6875] ext4_kill_sb+0x68/0xa4 [ 49.381112][ T6875] deactivate_locked_super+0xc4/0x12c [ 49.381962][ T6875] deactivate_super+0xe0/0x100 [ 49.382688][ T6875] cleanup_mnt+0x31c/0x3ac [ 49.383373][ T6875] __cleanup_mnt+0x20/0x30 [ 49.384064][ T6875] task_work_run+0x1dc/0x260 [ 49.384825][ T6875] do_notify_resume+0x174/0x1f4 [ 49.385641][ T6875] el0_svc+0xb8/0x180 [ 49.386284][ T6875] el0t_64_sync_handler+0x84/0x12c [ 49.387144][ T6875] el0t_64_sync+0x198/0x19c [ 49.387891][ T6875] irq event stamp: 358816 [ 49.388547][ T6875] hardirqs last enabled at (358815): [] finish_lock_switch+0xb0/0x1c0 [ 49.390048][ T6875] hardirqs last disabled at (358816): [] el1_brk64+0x1c/0x48 [ 49.391362][ T6875] softirqs last enabled at (358478): [] local_bh_enable+0x10/0x34 [ 49.392792][ T6875] softirqs last disabled at (358476): [] local_bh_disable+0x10/0x34 [ 49.394248][ T6875] ---[ end trace 0000000000000000 ]--- [ 49.410586][ T7407] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 49.419695][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 49.419794][ T6875] ------------[ cut here ]------------ [ 49.419798][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.424646][ T6875] Modules linked in: [ 49.425307][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.426831][ T6875] Tainted: [W]=WARN [ 49.427359][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.428787][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.429888][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.430828][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.431946][ T6875] sp : ffff80009e2a7100 [ 49.432578][ T6875] x29: ffff80009e2a7260 x28: ffff0000e51015e0 x27: 1fffe0001ca202bc [ 49.433815][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 49.435041][ T6875] x23: ffff0000e51015b8 x22: 0000000000000000 x21: dfff800000000000 [ 49.436236][ T6875] x20: ffff0000d0aae068 x19: ffff0000d0aae000 x18: 1fffe0003379be88 [ 49.437464][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 49.438654][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 49.439836][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 49.440982][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 49.442287][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 49.443552][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.444835][ T6875] Call trace: [ 49.445341][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 49.446383][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 49.447185][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 49.448040][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.448845][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.449741][ T6875] ext4_dirty_inode+0xd4/0x104 [ 49.450592][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 49.451460][ T6875] iput+0x1cc/0x83c [ 49.452080][ T6875] dentry_unlink_inode+0x384/0x45c [ 49.452889][ T6875] __dentry_kill+0x170/0x594 [ 49.453576][ T6875] shrink_kill+0xd4/0x2cc [ 49.454208][ T6875] shrink_dentry_list+0x31c/0x6cc [ 49.454945][ T6875] shrink_dcache_parent+0xac/0x27c [ 49.455774][ T6875] do_one_tree+0x2c/0xf0 [ 49.456437][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 49.457352][ T6875] generic_shutdown_super+0x68/0x2b8 [ 49.458233][ T6875] kill_block_super+0x44/0x90 [ 49.458958][ T6875] ext4_kill_sb+0x68/0xa4 [ 49.459689][ T6875] deactivate_locked_super+0xc4/0x12c [ 49.460557][ T6875] deactivate_super+0xe0/0x100 [ 49.461305][ T6875] cleanup_mnt+0x31c/0x3ac [ 49.461974][ T6875] __cleanup_mnt+0x20/0x30 [ 49.462671][ T6875] task_work_run+0x1dc/0x260 [ 49.463457][ T6875] do_notify_resume+0x174/0x1f4 [ 49.464226][ T6875] el0_svc+0xb8/0x180 [ 49.464866][ T6875] el0t_64_sync_handler+0x84/0x12c [ 49.465730][ T6875] el0t_64_sync+0x198/0x19c [ 49.466444][ T6875] irq event stamp: 363172 [ 49.467174][ T6875] hardirqs last enabled at (363171): [] exit_to_kernel_mode+0xc0/0xf0 [ 49.468810][ T6875] hardirqs last disabled at (363172): [] el1_brk64+0x1c/0x48 [ 49.470185][ T6875] softirqs last enabled at (362890): [] local_bh_enable+0x10/0x34 [ 49.471674][ T6875] softirqs last disabled at (362888): [] local_bh_disable+0x10/0x34 [ 49.473123][ T6875] ---[ end trace 0000000000000000 ]--- [ 49.491105][ T7411] loop0: detected capacity change from 0 to 1024 [ 49.510222][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 49.510329][ T6875] ------------[ cut here ]------------ [ 49.510336][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.514277][ T6875] Modules linked in: [ 49.514843][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.516364][ T6875] Tainted: [W]=WARN [ 49.516888][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.518331][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.519574][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.520577][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.521529][ T6875] sp : ffff80009e2a7100 [ 49.522157][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5107580 x27: 1fffe0001ca20eb0 [ 49.523413][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 49.524516][ T6875] x23: ffff0000e5107558 x22: 0000000000000000 x21: dfff800000000000 [ 49.525650][ T6875] x20: ffff0000d62d4068 x19: ffff0000d62d4000 x18: 1fffe000337a0688 [ 49.526760][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 49.527900][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 49.529089][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 49.530251][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 49.531416][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 49.532567][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.533737][ T6875] Call trace: [ 49.534200][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 49.535119][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 49.535839][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 49.536642][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.537437][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.538248][ T6875] ext4_dirty_inode+0xd4/0x104 [ 49.539012][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 49.539791][ T6875] iput+0x1cc/0x83c [ 49.540429][ T6875] dentry_unlink_inode+0x384/0x45c [ 49.541342][ T6875] __dentry_kill+0x170/0x594 [ 49.542041][ T6875] shrink_kill+0xd4/0x2cc [ 49.542766][ T6875] shrink_dentry_list+0x31c/0x6cc [ 49.543621][ T6875] shrink_dcache_parent+0xac/0x27c [ 49.544526][ T6875] do_one_tree+0x2c/0xf0 [ 49.545210][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 49.546209][ T6875] generic_shutdown_super+0x68/0x2b8 [ 49.547054][ T6875] kill_block_super+0x44/0x90 [ 49.547829][ T6875] ext4_kill_sb+0x68/0xa4 [ 49.548547][ T6875] deactivate_locked_super+0xc4/0x12c [ 49.549392][ T6875] deactivate_super+0xe0/0x100 [ 49.550075][ T6875] cleanup_mnt+0x31c/0x3ac [ 49.550774][ T6875] __cleanup_mnt+0x20/0x30 [ 49.551464][ T6875] task_work_run+0x1dc/0x260 [ 49.552132][ T6875] do_notify_resume+0x174/0x1f4 [ 49.552867][ T6875] el0_svc+0xb8/0x180 [ 49.553432][ T6875] el0t_64_sync_handler+0x84/0x12c [ 49.554233][ T6875] el0t_64_sync+0x198/0x19c [ 49.554918][ T6875] irq event stamp: 368258 [ 49.555496][ T6875] hardirqs last enabled at (368257): [] exit_to_kernel_mode+0xc0/0xf0 [ 49.556904][ T6875] hardirqs last disabled at (368258): [] el1_brk64+0x1c/0x48 [ 49.558260][ T6875] softirqs last enabled at (367986): [] local_bh_enable+0x10/0x34 [ 49.559645][ T6875] softirqs last disabled at (367984): [] local_bh_disable+0x10/0x34 [ 49.561181][ T6875] ---[ end trace 0000000000000000 ]--- [ 49.582485][ T7415] loop0: detected capacity change from 0 to 1024 [ 49.612054][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 49.612152][ T6875] ------------[ cut here ]------------ [ 49.612158][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.616600][ T6875] Modules linked in: [ 49.617203][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.619004][ T6875] Tainted: [W]=WARN [ 49.619653][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.621324][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.622630][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.623687][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.624794][ T6875] sp : ffff80009e2a7100 [ 49.625481][ T6875] x29: ffff80009e2a7260 x28: ffff0000ddb21f70 x27: 1fffe0001bb643ee [ 49.626812][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 49.628177][ T6875] x23: ffff0000ddb21f48 x22: 0000000000000000 x21: dfff800000000000 [ 49.629382][ T6875] x20: ffff0000d6d14068 x19: ffff0000d6d14000 x18: 0000000000000000 [ 49.630577][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 49.631800][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 49.633069][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 49.634291][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 49.635517][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 49.636740][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.637979][ T6875] Call trace: [ 49.638464][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 49.639461][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 49.640266][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 49.641149][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.641935][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.642690][ T6875] ext4_dirty_inode+0xd4/0x104 [ 49.643380][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 49.644146][ T6875] iput+0x1cc/0x83c [ 49.644713][ T6875] dentry_unlink_inode+0x384/0x45c [ 49.645483][ T6875] __dentry_kill+0x170/0x594 [ 49.646206][ T6875] shrink_kill+0xd4/0x2cc [ 49.646920][ T6875] shrink_dentry_list+0x31c/0x6cc [ 49.647729][ T6875] shrink_dcache_parent+0xac/0x27c [ 49.648460][ T6875] do_one_tree+0x2c/0xf0 [ 49.649121][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 49.649986][ T6875] generic_shutdown_super+0x68/0x2b8 [ 49.650827][ T6875] kill_block_super+0x44/0x90 [ 49.651643][ T6875] ext4_kill_sb+0x68/0xa4 [ 49.652329][ T6875] deactivate_locked_super+0xc4/0x12c [ 49.653141][ T6875] deactivate_super+0xe0/0x100 [ 49.653832][ T6875] cleanup_mnt+0x31c/0x3ac [ 49.654529][ T6875] __cleanup_mnt+0x20/0x30 [ 49.655226][ T6875] task_work_run+0x1dc/0x260 [ 49.656037][ T6875] do_notify_resume+0x174/0x1f4 [ 49.656815][ T6875] el0_svc+0xb8/0x180 [ 49.657448][ T6875] el0t_64_sync_handler+0x84/0x12c [ 49.658267][ T6875] el0t_64_sync+0x198/0x19c [ 49.659020][ T6875] irq event stamp: 373630 [ 49.659706][ T6875] hardirqs last enabled at (373629): [] exit_to_kernel_mode+0xc0/0xf0 [ 49.661286][ T6875] hardirqs last disabled at (373630): [] el1_brk64+0x1c/0x48 [ 49.662761][ T6875] softirqs last enabled at (373552): [] local_bh_enable+0x10/0x34 [ 49.664155][ T6875] softirqs last disabled at (373550): [] local_bh_disable+0x10/0x34 [ 49.665678][ T6875] ---[ end trace 0000000000000000 ]--- [ 49.690504][ T7419] loop0: detected capacity change from 0 to 1024 [ 49.704980][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 49.705072][ T6875] ------------[ cut here ]------------ [ 49.705078][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.708939][ T6875] Modules linked in: [ 49.709477][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.710958][ T6875] Tainted: [W]=WARN [ 49.711489][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.712790][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.713885][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.714818][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.715732][ T6875] sp : ffff80009e2a7100 [ 49.716308][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4ea8c50 x27: 1fffe0001c9d518a [ 49.717480][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 49.718641][ T6875] x23: ffff0000e4ea8c28 x22: 0000000000000000 x21: dfff800000000000 [ 49.720066][ T6875] x20: ffff0000d638a068 x19: ffff0000d638a000 x18: 1fffe0003379be88 [ 49.721465][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 49.722840][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 49.724189][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 49.725404][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 49.726713][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 49.728055][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.729397][ T6875] Call trace: [ 49.729913][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 49.730923][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 49.731735][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 49.732613][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.733595][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.734478][ T6875] ext4_dirty_inode+0xd4/0x104 [ 49.735234][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 49.736027][ T6875] iput+0x1cc/0x83c [ 49.736629][ T6875] dentry_unlink_inode+0x384/0x45c [ 49.737519][ T6875] __dentry_kill+0x170/0x594 [ 49.738260][ T6875] shrink_kill+0xd4/0x2cc [ 49.738991][ T6875] shrink_dentry_list+0x31c/0x6cc [ 49.739832][ T6875] shrink_dcache_parent+0xac/0x27c [ 49.740617][ T6875] do_one_tree+0x2c/0xf0 [ 49.741347][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 49.742358][ T6875] generic_shutdown_super+0x68/0x2b8 [ 49.743245][ T6875] kill_block_super+0x44/0x90 [ 49.744021][ T6875] ext4_kill_sb+0x68/0xa4 [ 49.744698][ T6875] deactivate_locked_super+0xc4/0x12c [ 49.745571][ T6875] deactivate_super+0xe0/0x100 [ 49.746345][ T6875] cleanup_mnt+0x31c/0x3ac [ 49.747076][ T6875] __cleanup_mnt+0x20/0x30 [ 49.747800][ T6875] task_work_run+0x1dc/0x260 [ 49.748605][ T6875] do_notify_resume+0x174/0x1f4 [ 49.749380][ T6875] el0_svc+0xb8/0x180 [ 49.750043][ T6875] el0t_64_sync_handler+0x84/0x12c [ 49.750890][ T6875] el0t_64_sync+0x198/0x19c [ 49.751637][ T6875] irq event stamp: 379146 [ 49.752371][ T6875] hardirqs last enabled at (379145): [] exit_to_kernel_mode+0xc0/0xf0 [ 49.754078][ T6875] hardirqs last disabled at (379146): [] el1_brk64+0x1c/0x48 [ 49.755651][ T6875] softirqs last enabled at (379016): [] local_bh_enable+0x10/0x34 [ 49.757161][ T6875] softirqs last disabled at (379014): [] local_bh_disable+0x10/0x34 [ 49.758725][ T6875] ---[ end trace 0000000000000000 ]--- [ 49.780122][ T7423] loop0: detected capacity change from 0 to 1024 [ 49.798790][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 49.798884][ T6875] ------------[ cut here ]------------ [ 49.798890][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.802647][ T6875] Modules linked in: [ 49.803213][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.804653][ T6875] Tainted: [W]=WARN [ 49.805263][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.806794][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.808058][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.809108][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.810089][ T6875] sp : ffff80009e2a7100 [ 49.810720][ T6875] x29: ffff80009e2a7260 x28: ffff0000ddbc4f40 x27: 1fffe0001bb789e8 [ 49.812052][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 49.813381][ T6875] x23: ffff0000ddbc4f18 x22: 0000000000000000 x21: dfff800000000000 [ 49.814728][ T6875] x20: ffff0000d7430068 x19: ffff0000d7430000 x18: 1fffe000337a0688 [ 49.815960][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 49.817289][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 49.818563][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 49.819954][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 49.821329][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 49.822653][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.823972][ T6875] Call trace: [ 49.824489][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 49.825569][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 49.826489][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 49.827468][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.828387][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.829277][ T6875] ext4_dirty_inode+0xd4/0x104 [ 49.830044][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 49.830878][ T6875] iput+0x1cc/0x83c [ 49.831562][ T6875] dentry_unlink_inode+0x384/0x45c [ 49.832389][ T6875] __dentry_kill+0x170/0x594 [ 49.833109][ T6875] shrink_kill+0xd4/0x2cc [ 49.833773][ T6875] shrink_dentry_list+0x31c/0x6cc [ 49.834551][ T6875] shrink_dcache_parent+0xac/0x27c [ 49.835383][ T6875] do_one_tree+0x2c/0xf0 [ 49.836079][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 49.836955][ T6875] generic_shutdown_super+0x68/0x2b8 [ 49.837830][ T6875] kill_block_super+0x44/0x90 [ 49.838518][ T6875] ext4_kill_sb+0x68/0xa4 [ 49.839175][ T6875] deactivate_locked_super+0xc4/0x12c [ 49.839942][ T6875] deactivate_super+0xe0/0x100 [ 49.840681][ T6875] cleanup_mnt+0x31c/0x3ac [ 49.841332][ T6875] __cleanup_mnt+0x20/0x30 [ 49.841943][ T6875] task_work_run+0x1dc/0x260 [ 49.842704][ T6875] do_notify_resume+0x174/0x1f4 [ 49.843456][ T6875] el0_svc+0xb8/0x180 [ 49.844048][ T6875] el0t_64_sync_handler+0x84/0x12c [ 49.844868][ T6875] el0t_64_sync+0x198/0x19c [ 49.845553][ T6875] irq event stamp: 383652 [ 49.846196][ T6875] hardirqs last enabled at (383651): [] exit_to_kernel_mode+0xc0/0xf0 [ 49.847918][ T6875] hardirqs last disabled at (383652): [] el1_brk64+0x1c/0x48 [ 49.849338][ T6875] softirqs last enabled at (383482): [] local_bh_enable+0x10/0x34 [ 49.850810][ T6875] softirqs last disabled at (383480): [] local_bh_disable+0x10/0x34 [ 49.852337][ T6875] ---[ end trace 0000000000000000 ]--- [ 49.886511][ T7428] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 49.909350][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 49.909439][ T6875] ------------[ cut here ]------------ [ 49.909443][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.914034][ T6875] Modules linked in: [ 49.914628][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 49.916172][ T6875] Tainted: [W]=WARN [ 49.916734][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.918201][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 49.919278][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.920349][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 49.921355][ T6875] sp : ffff80009e2a7100 [ 49.921980][ T6875] x29: ffff80009e2a7260 x28: ffff0000ddbc1f70 x27: 1fffe0001bb783ee [ 49.923162][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 49.924480][ T6875] x23: ffff0000ddbc1f48 x22: 0000000000000000 x21: dfff800000000000 [ 49.925869][ T6875] x20: ffff0000dd79c068 x19: ffff0000dd79c000 x18: 1fffe000337a0688 [ 49.927247][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 49.928605][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 49.929899][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 49.931147][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 49.932389][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 49.933617][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 49.934885][ T6875] Call trace: [ 49.935420][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 49.936477][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 49.937290][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 49.938230][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 49.939198][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 49.940108][ T6875] ext4_dirty_inode+0xd4/0x104 [ 49.940917][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 49.941822][ T6875] iput+0x1cc/0x83c [ 49.942421][ T6875] dentry_unlink_inode+0x384/0x45c [ 49.943201][ T6875] __dentry_kill+0x170/0x594 [ 49.943927][ T6875] shrink_kill+0xd4/0x2cc [ 49.944632][ T6875] shrink_dentry_list+0x31c/0x6cc [ 49.945442][ T6875] shrink_dcache_parent+0xac/0x27c [ 49.946312][ T6875] do_one_tree+0x2c/0xf0 [ 49.947004][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 49.947831][ T6875] generic_shutdown_super+0x68/0x2b8 [ 49.948637][ T6875] kill_block_super+0x44/0x90 [ 49.949433][ T6875] ext4_kill_sb+0x68/0xa4 [ 49.950139][ T6875] deactivate_locked_super+0xc4/0x12c [ 49.951000][ T6875] deactivate_super+0xe0/0x100 [ 49.951749][ T6875] cleanup_mnt+0x31c/0x3ac [ 49.952455][ T6875] __cleanup_mnt+0x20/0x30 [ 49.953086][ T6875] task_work_run+0x1dc/0x260 [ 49.953798][ T6875] do_notify_resume+0x174/0x1f4 [ 49.954530][ T6875] el0_svc+0xb8/0x180 [ 49.955135][ T6875] el0t_64_sync_handler+0x84/0x12c [ 49.955901][ T6875] el0t_64_sync+0x198/0x19c [ 49.956571][ T6875] irq event stamp: 389284 [ 49.957264][ T6875] hardirqs last enabled at (389283): [] exit_to_kernel_mode+0xc0/0xf0 [ 49.958927][ T6875] hardirqs last disabled at (389284): [] el1_brk64+0x1c/0x48 [ 49.960364][ T6875] softirqs last enabled at (388926): [] local_bh_enable+0x10/0x34 [ 49.961939][ T6875] softirqs last disabled at (388924): [] local_bh_disable+0x10/0x34 [ 49.963501][ T6875] ---[ end trace 0000000000000000 ]--- [ 49.977312][ T7432] loop0: detected capacity change from 0 to 1024 [ 49.999160][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 49.999246][ T6875] ------------[ cut here ]------------ [ 49.999251][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.003072][ T6875] Modules linked in: [ 50.003704][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.005344][ T6875] Tainted: [W]=WARN [ 50.005920][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.007447][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.008606][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.009684][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.010660][ T6875] sp : ffff80009e2a7100 [ 50.011277][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5119f70 x27: 1fffe0001ca233ee [ 50.012486][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 50.013703][ T6875] x23: ffff0000e5119f48 x22: 0000000000000000 x21: dfff800000000000 [ 50.015037][ T6875] x20: ffff0000d8af0068 x19: ffff0000d8af0000 x18: 1fffe000337a0688 [ 50.016352][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 50.017572][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 50.018779][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 50.020015][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 50.021277][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 50.022565][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.023792][ T6875] Call trace: [ 50.024298][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 50.025280][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 50.026022][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 50.026806][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.027691][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.028491][ T6875] ext4_dirty_inode+0xd4/0x104 [ 50.029154][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 50.029928][ T6875] iput+0x1cc/0x83c [ 50.030495][ T6875] dentry_unlink_inode+0x384/0x45c [ 50.031264][ T6875] __dentry_kill+0x170/0x594 [ 50.031930][ T6875] shrink_kill+0xd4/0x2cc [ 50.032622][ T6875] shrink_dentry_list+0x31c/0x6cc [ 50.033429][ T6875] shrink_dcache_parent+0xac/0x27c [ 50.034208][ T6875] do_one_tree+0x2c/0xf0 [ 50.034925][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 50.035836][ T6875] generic_shutdown_super+0x68/0x2b8 [ 50.036740][ T6875] kill_block_super+0x44/0x90 [ 50.037486][ T6875] ext4_kill_sb+0x68/0xa4 [ 50.038139][ T6875] deactivate_locked_super+0xc4/0x12c [ 50.038995][ T6875] deactivate_super+0xe0/0x100 [ 50.039762][ T6875] cleanup_mnt+0x31c/0x3ac [ 50.040459][ T6875] __cleanup_mnt+0x20/0x30 [ 50.041211][ T6875] task_work_run+0x1dc/0x260 [ 50.041964][ T6875] do_notify_resume+0x174/0x1f4 [ 50.042792][ T6875] el0_svc+0xb8/0x180 [ 50.043448][ T6875] el0t_64_sync_handler+0x84/0x12c [ 50.044263][ T6875] el0t_64_sync+0x198/0x19c [ 50.044962][ T6875] irq event stamp: 393900 [ 50.045630][ T6875] hardirqs last enabled at (393899): [] exit_to_kernel_mode+0xc0/0xf0 [ 50.047254][ T6875] hardirqs last disabled at (393900): [] el1_brk64+0x1c/0x48 [ 50.048507][ T6875] softirqs last enabled at (393604): [] local_bh_enable+0x10/0x34 [ 50.049835][ T6875] softirqs last disabled at (393602): [] local_bh_disable+0x10/0x34 [ 50.051303][ T6875] ---[ end trace 0000000000000000 ]--- [ 50.066647][ T7436] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 50.088192][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 50.088276][ T6875] ------------[ cut here ]------------ [ 50.088280][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.092986][ T6875] Modules linked in: [ 50.093632][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.095466][ T6875] Tainted: [W]=WARN [ 50.096093][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.097768][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.099026][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.100090][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.101066][ T6875] sp : ffff80009e2a7100 [ 50.101678][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5406260 x27: 1fffe0001ca80c4c [ 50.102898][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 50.104117][ T6875] x23: ffff0000e5406238 x22: 0000000000000000 x21: dfff800000000000 [ 50.105302][ T6875] x20: ffff0000cccde068 x19: ffff0000cccde000 x18: 1fffe000337a0688 [ 50.106476][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 50.107704][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 50.108860][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 50.110032][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 50.111212][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 50.112474][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.113667][ T6875] Call trace: [ 50.114191][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 50.115305][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 50.116149][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 50.117076][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.118030][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.118965][ T6875] ext4_dirty_inode+0xd4/0x104 [ 50.119795][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 50.120659][ T6875] iput+0x1cc/0x83c [ 50.121340][ T6875] dentry_unlink_inode+0x384/0x45c [ 50.122197][ T6875] __dentry_kill+0x170/0x594 [ 50.122932][ T6875] shrink_kill+0xd4/0x2cc [ 50.123586][ T6875] shrink_dentry_list+0x31c/0x6cc [ 50.124455][ T6875] shrink_dcache_parent+0xac/0x27c [ 50.125350][ T6875] do_one_tree+0x2c/0xf0 [ 50.126077][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 50.127025][ T6875] generic_shutdown_super+0x68/0x2b8 [ 50.127936][ T6875] kill_block_super+0x44/0x90 [ 50.128696][ T6875] ext4_kill_sb+0x68/0xa4 [ 50.129414][ T6875] deactivate_locked_super+0xc4/0x12c [ 50.130253][ T6875] deactivate_super+0xe0/0x100 [ 50.131008][ T6875] cleanup_mnt+0x31c/0x3ac [ 50.131628][ T6875] __cleanup_mnt+0x20/0x30 [ 50.132370][ T6875] task_work_run+0x1dc/0x260 [ 50.133147][ T6875] do_notify_resume+0x174/0x1f4 [ 50.133935][ T6875] el0_svc+0xb8/0x180 [ 50.134614][ T6875] el0t_64_sync_handler+0x84/0x12c [ 50.135432][ T6875] el0t_64_sync+0x198/0x19c [ 50.136152][ T6875] irq event stamp: 398536 [ 50.136889][ T6875] hardirqs last enabled at (398535): [] exit_to_kernel_mode+0xc0/0xf0 [ 50.138496][ T6875] hardirqs last disabled at (398536): [] el1_brk64+0x1c/0x48 [ 50.139972][ T6875] softirqs last enabled at (398234): [] local_bh_enable+0x10/0x34 [ 50.141521][ T6875] softirqs last disabled at (398232): [] local_bh_disable+0x10/0x34 [ 50.143034][ T6875] ---[ end trace 0000000000000000 ]--- [ 50.160172][ T7440] loop0: detected capacity change from 0 to 1024 [ 50.184678][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 50.184773][ T6875] ------------[ cut here ]------------ [ 50.184778][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.188741][ T6875] Modules linked in: [ 50.189298][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.190844][ T6875] Tainted: [W]=WARN [ 50.191371][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.192798][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.193891][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.194790][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.195685][ T6875] sp : ffff80009e2a7100 [ 50.196252][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5122900 x27: 1fffe0001ca24520 [ 50.197352][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 50.198712][ T6875] x23: ffff0000e51228d8 x22: 0000000000000000 x21: dfff800000000000 [ 50.200069][ T6875] x20: ffff0000d95a2068 x19: ffff0000d95a2000 x18: 1fffe0003379be88 [ 50.201441][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 50.202747][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 50.204092][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 50.205420][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 50.206744][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 50.208040][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.209330][ T6875] Call trace: [ 50.209857][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 50.210938][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 50.211759][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 50.212674][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.213561][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.214401][ T6875] ext4_dirty_inode+0xd4/0x104 [ 50.215119][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 50.215898][ T6875] iput+0x1cc/0x83c [ 50.216517][ T6875] dentry_unlink_inode+0x384/0x45c [ 50.217312][ T6875] __dentry_kill+0x170/0x594 [ 50.218038][ T6875] shrink_kill+0xd4/0x2cc [ 50.218708][ T6875] shrink_dentry_list+0x31c/0x6cc [ 50.219454][ T6875] shrink_dcache_parent+0xac/0x27c [ 50.220238][ T6875] do_one_tree+0x2c/0xf0 [ 50.220850][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 50.221631][ T6875] generic_shutdown_super+0x68/0x2b8 [ 50.222413][ T6875] kill_block_super+0x44/0x90 [ 50.223124][ T6875] ext4_kill_sb+0x68/0xa4 [ 50.223751][ T6875] deactivate_locked_super+0xc4/0x12c [ 50.224523][ T6875] deactivate_super+0xe0/0x100 [ 50.225214][ T6875] cleanup_mnt+0x31c/0x3ac [ 50.225865][ T6875] __cleanup_mnt+0x20/0x30 [ 50.226548][ T6875] task_work_run+0x1dc/0x260 [ 50.227245][ T6875] do_notify_resume+0x174/0x1f4 [ 50.227963][ T6875] el0_svc+0xb8/0x180 [ 50.228596][ T6875] el0t_64_sync_handler+0x84/0x12c [ 50.229407][ T6875] el0t_64_sync+0x198/0x19c [ 50.230153][ T6875] irq event stamp: 403398 [ 50.230841][ T6875] hardirqs last enabled at (403397): [] exit_to_kernel_mode+0xc0/0xf0 [ 50.232458][ T6875] hardirqs last disabled at (403398): [] el1_brk64+0x1c/0x48 [ 50.233908][ T6875] softirqs last enabled at (403100): [] local_bh_enable+0x10/0x34 [ 50.235398][ T6875] softirqs last disabled at (403098): [] local_bh_disable+0x10/0x34 [ 50.236826][ T6875] ---[ end trace 0000000000000000 ]--- [ 50.250738][ T7444] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 50.277863][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 50.277947][ T6875] ------------[ cut here ]------------ [ 50.277950][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.282324][ T6875] Modules linked in: [ 50.282863][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.284540][ T6875] Tainted: [W]=WARN [ 50.285093][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.286536][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.287728][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.288642][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.289496][ T6875] sp : ffff80009e2a7100 [ 50.290065][ T6875] x29: ffff80009e2a7260 x28: ffff0000dd92a900 x27: 1fffe0001bb25520 [ 50.291212][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 50.292353][ T6875] x23: ffff0000dd92a8d8 x22: 0000000000000000 x21: dfff800000000000 [ 50.293650][ T6875] x20: ffff0000d66f8068 x19: ffff0000d66f8000 x18: 1fffe000337a0688 [ 50.294848][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 50.296028][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 50.297179][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 50.298337][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 50.299506][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 50.300679][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.302018][ T6875] Call trace: [ 50.302537][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 50.303537][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 50.304328][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 50.305212][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.306045][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.306875][ T6875] ext4_dirty_inode+0xd4/0x104 [ 50.307581][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 50.308379][ T6875] iput+0x1cc/0x83c [ 50.309011][ T6875] dentry_unlink_inode+0x384/0x45c [ 50.309829][ T6875] __dentry_kill+0x170/0x594 [ 50.310579][ T6875] shrink_kill+0xd4/0x2cc [ 50.311239][ T6875] shrink_dentry_list+0x31c/0x6cc [ 50.312046][ T6875] shrink_dcache_parent+0xac/0x27c [ 50.312895][ T6875] do_one_tree+0x2c/0xf0 [ 50.313574][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 50.314416][ T6875] generic_shutdown_super+0x68/0x2b8 [ 50.315248][ T6875] kill_block_super+0x44/0x90 [ 50.315955][ T6875] ext4_kill_sb+0x68/0xa4 [ 50.316559][ T6875] deactivate_locked_super+0xc4/0x12c [ 50.317311][ T6875] deactivate_super+0xe0/0x100 [ 50.317984][ T6875] cleanup_mnt+0x31c/0x3ac [ 50.318635][ T6875] __cleanup_mnt+0x20/0x30 [ 50.319370][ T6875] task_work_run+0x1dc/0x260 [ 50.320064][ T6875] do_notify_resume+0x174/0x1f4 [ 50.320803][ T6875] el0_svc+0xb8/0x180 [ 50.321426][ T6875] el0t_64_sync_handler+0x84/0x12c [ 50.322200][ T6875] el0t_64_sync+0x198/0x19c [ 50.322922][ T6875] irq event stamp: 408544 [ 50.323662][ T6875] hardirqs last enabled at (408543): [] exit_to_kernel_mode+0xc0/0xf0 [ 50.325229][ T6875] hardirqs last disabled at (408544): [] el1_brk64+0x1c/0x48 [ 50.326671][ T6875] softirqs last enabled at (407888): [] local_bh_enable+0x10/0x34 [ 50.328240][ T6875] softirqs last disabled at (407886): [] local_bh_disable+0x10/0x34 [ 50.329834][ T6875] ---[ end trace 0000000000000000 ]--- [ 50.343680][ T7448] loop0: detected capacity change from 0 to 1024 [ 50.371257][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 50.373364][ T6875] ------------[ cut here ]------------ [ 50.373372][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.375908][ T6875] Modules linked in: [ 50.376529][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.378176][ T6875] Tainted: [W]=WARN [ 50.378718][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.380143][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.381211][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.382111][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.383021][ T6875] sp : ffff80009e2a7100 [ 50.383663][ T6875] x29: ffff80009e2a7260 x28: ffff0000e51ab290 x27: 1fffe0001ca35652 [ 50.384857][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 50.386007][ T6875] x23: ffff0000e51ab268 x22: 0000000000000000 x21: dfff800000000000 [ 50.387175][ T6875] x20: ffff0000d709a068 x19: ffff0000d709a000 x18: 0000000000000000 [ 50.388302][ T6875] x17: ffff80010c5d9000 x16: ffff80008b007180 x15: 0000000000000001 [ 50.389452][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 50.390619][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 50.391722][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 50.392877][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 50.394007][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.395129][ T6875] Call trace: [ 50.395661][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 50.396705][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 50.397483][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 50.398459][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.399426][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.400324][ T6875] ext4_dirty_inode+0xd4/0x104 [ 50.401115][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 50.401919][ T6875] iput+0x1cc/0x83c [ 50.402543][ T6875] dentry_unlink_inode+0x384/0x45c [ 50.403342][ T6875] __dentry_kill+0x170/0x594 [ 50.404017][ T6875] shrink_kill+0xd4/0x2cc [ 50.404703][ T6875] shrink_dentry_list+0x31c/0x6cc [ 50.405445][ T6875] shrink_dcache_parent+0xac/0x27c [ 50.406172][ T6875] do_one_tree+0x2c/0xf0 [ 50.406844][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 50.407686][ T6875] generic_shutdown_super+0x68/0x2b8 [ 50.408444][ T6875] kill_block_super+0x44/0x90 [ 50.409127][ T6875] ext4_kill_sb+0x68/0xa4 [ 50.409807][ T6875] deactivate_locked_super+0xc4/0x12c [ 50.410643][ T6875] deactivate_super+0xe0/0x100 [ 50.411422][ T6875] cleanup_mnt+0x31c/0x3ac [ 50.412075][ T6875] __cleanup_mnt+0x20/0x30 [ 50.412800][ T6875] task_work_run+0x1dc/0x260 [ 50.413484][ T6875] do_notify_resume+0x174/0x1f4 [ 50.414131][ T6875] el0_svc+0xb8/0x180 [ 50.414720][ T6875] el0t_64_sync_handler+0x84/0x12c [ 50.415533][ T6875] el0t_64_sync+0x198/0x19c [ 50.416190][ T6875] irq event stamp: 413592 [ 50.416916][ T6875] hardirqs last enabled at (413591): [] finish_lock_switch+0xb0/0x1c0 [ 50.418531][ T6875] hardirqs last disabled at (413592): [] el1_brk64+0x1c/0x48 [ 50.419998][ T6875] softirqs last enabled at (413318): [] local_bh_enable+0x10/0x34 [ 50.421582][ T6875] softirqs last disabled at (413316): [] local_bh_disable+0x10/0x34 [ 50.422979][ T6875] ---[ end trace 0000000000000000 ]--- [ 50.440584][ T7453] loop0: detected capacity change from 0 to 1024 [ 50.455227][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 50.455323][ T6875] ------------[ cut here ]------------ [ 50.455328][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.459558][ T6875] Modules linked in: [ 50.460142][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.461863][ T6875] Tainted: [W]=WARN [ 50.462462][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.464067][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.465401][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.466538][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.467650][ T6875] sp : ffff80009e2a7100 [ 50.468377][ T6875] x29: ffff80009e2a7260 x28: ffff0000ddbd0c50 x27: 1fffe0001bb7a18a [ 50.469759][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 50.471091][ T6875] x23: ffff0000ddbd0c28 x22: 0000000000000000 x21: dfff800000000000 [ 50.472443][ T6875] x20: ffff0000c5912068 x19: ffff0000c5912000 x18: 1fffe0003379be88 [ 50.473728][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 50.474986][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 50.476328][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 50.477667][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 50.478990][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 50.480356][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.481718][ T6875] Call trace: [ 50.482276][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 50.483344][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 50.484153][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 50.485092][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.485948][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.486795][ T6875] ext4_dirty_inode+0xd4/0x104 [ 50.487573][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 50.488344][ T6875] iput+0x1cc/0x83c [ 50.488901][ T6875] dentry_unlink_inode+0x384/0x45c [ 50.489627][ T6875] __dentry_kill+0x170/0x594 [ 50.490357][ T6875] shrink_kill+0xd4/0x2cc [ 50.490993][ T6875] shrink_dentry_list+0x31c/0x6cc [ 50.491696][ T6875] shrink_dcache_parent+0xac/0x27c [ 50.492556][ T6875] do_one_tree+0x2c/0xf0 [ 50.493293][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 50.494164][ T6875] generic_shutdown_super+0x68/0x2b8 [ 50.495053][ T6875] kill_block_super+0x44/0x90 [ 50.495807][ T6875] ext4_kill_sb+0x68/0xa4 [ 50.496559][ T6875] deactivate_locked_super+0xc4/0x12c [ 50.497474][ T6875] deactivate_super+0xe0/0x100 [ 50.498267][ T6875] cleanup_mnt+0x31c/0x3ac [ 50.499023][ T6875] __cleanup_mnt+0x20/0x30 [ 50.499745][ T6875] task_work_run+0x1dc/0x260 [ 50.500503][ T6875] do_notify_resume+0x174/0x1f4 [ 50.501284][ T6875] el0_svc+0xb8/0x180 [ 50.501884][ T6875] el0t_64_sync_handler+0x84/0x12c [ 50.502700][ T6875] el0t_64_sync+0x198/0x19c [ 50.503438][ T6875] irq event stamp: 419410 [ 50.504179][ T6875] hardirqs last enabled at (419409): [] exit_to_kernel_mode+0xc0/0xf0 [ 50.505752][ T6875] hardirqs last disabled at (419410): [] el1_brk64+0x1c/0x48 [ 50.507301][ T6875] softirqs last enabled at (419238): [] local_bh_enable+0x10/0x34 [ 50.508739][ T6875] softirqs last disabled at (419236): [] local_bh_disable+0x10/0x34 [ 50.510214][ T6875] ---[ end trace 0000000000000000 ]--- [ 50.512441][ T6562] Bluetooth: hci0: command tx timeout [ 50.528004][ T7457] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 50.541897][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 50.541984][ T6875] ------------[ cut here ]------------ [ 50.541988][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.546500][ T6875] Modules linked in: [ 50.547168][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.548897][ T6875] Tainted: [W]=WARN [ 50.549532][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.551124][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.552314][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.553322][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.554299][ T6875] sp : ffff80009e2a7100 [ 50.554958][ T6875] x29: ffff80009e2a7260 x28: ffff0000ddbd4f40 x27: 1fffe0001bb7a9e8 [ 50.556283][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 50.557541][ T6875] x23: ffff0000ddbd4f18 x22: 0000000000000000 x21: dfff800000000000 [ 50.558850][ T6875] x20: ffff0000d72e6068 x19: ffff0000d72e6000 x18: 1fffe0003379be88 [ 50.560115][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 50.561383][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 50.562650][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 50.564023][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 50.565291][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 50.566577][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.567881][ T6875] Call trace: [ 50.568414][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 50.569436][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 50.570278][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 50.571142][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.571951][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.572809][ T6875] ext4_dirty_inode+0xd4/0x104 [ 50.573537][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 50.574329][ T6875] iput+0x1cc/0x83c [ 50.574942][ T6875] dentry_unlink_inode+0x384/0x45c [ 50.575773][ T6875] __dentry_kill+0x170/0x594 [ 50.576491][ T6875] shrink_kill+0xd4/0x2cc [ 50.577239][ T6875] shrink_dentry_list+0x31c/0x6cc [ 50.578061][ T6875] shrink_dcache_parent+0xac/0x27c [ 50.578902][ T6875] do_one_tree+0x2c/0xf0 [ 50.579614][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 50.580492][ T6875] generic_shutdown_super+0x68/0x2b8 [ 50.581383][ T6875] kill_block_super+0x44/0x90 [ 50.582174][ T6875] ext4_kill_sb+0x68/0xa4 [ 50.582906][ T6875] deactivate_locked_super+0xc4/0x12c [ 50.583801][ T6875] deactivate_super+0xe0/0x100 [ 50.584558][ T6875] cleanup_mnt+0x31c/0x3ac [ 50.585275][ T6875] __cleanup_mnt+0x20/0x30 [ 50.586040][ T6875] task_work_run+0x1dc/0x260 [ 50.586777][ T6875] do_notify_resume+0x174/0x1f4 [ 50.587572][ T6875] el0_svc+0xb8/0x180 [ 50.588229][ T6875] el0t_64_sync_handler+0x84/0x12c [ 50.589067][ T6875] el0t_64_sync+0x198/0x19c [ 50.589850][ T6875] irq event stamp: 424100 [ 50.590503][ T6875] hardirqs last enabled at (424099): [] exit_to_kernel_mode+0xc0/0xf0 [ 50.592044][ T6875] hardirqs last disabled at (424100): [] el1_brk64+0x1c/0x48 [ 50.593471][ T6875] softirqs last enabled at (423830): [] local_bh_enable+0x10/0x34 [ 50.594975][ T6875] softirqs last disabled at (423828): [] local_bh_disable+0x10/0x34 [ 50.596557][ T6875] ---[ end trace 0000000000000000 ]--- [ 50.616743][ T7461] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 50.631187][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 50.631292][ T6875] ------------[ cut here ]------------ [ 50.631296][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.635940][ T6875] Modules linked in: [ 50.636559][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.638142][ T6875] Tainted: [W]=WARN [ 50.638685][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.640207][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.641334][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.642313][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.643284][ T6875] sp : ffff80009e2a7100 [ 50.643890][ T6875] x29: ffff80009e2a7260 x28: ffff0000e51b3c20 x27: 1fffe0001ca36784 [ 50.645244][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 50.646643][ T6875] x23: ffff0000e51b3bf8 x22: 0000000000000000 x21: dfff800000000000 [ 50.647870][ T6875] x20: ffff0000ce092068 x19: ffff0000ce092000 x18: 1fffe0003379be88 [ 50.649170][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 50.650543][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 50.651826][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 50.653206][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 50.654590][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 50.655902][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.657220][ T6875] Call trace: [ 50.657721][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 50.658700][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 50.659574][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 50.660458][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.661360][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.662189][ T6875] ext4_dirty_inode+0xd4/0x104 [ 50.662913][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 50.663805][ T6875] iput+0x1cc/0x83c [ 50.664473][ T6875] dentry_unlink_inode+0x384/0x45c [ 50.665280][ T6875] __dentry_kill+0x170/0x594 [ 50.666032][ T6875] shrink_kill+0xd4/0x2cc [ 50.666690][ T6875] shrink_dentry_list+0x31c/0x6cc [ 50.667517][ T6875] shrink_dcache_parent+0xac/0x27c [ 50.668445][ T6875] do_one_tree+0x2c/0xf0 [ 50.669171][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 50.670117][ T6875] generic_shutdown_super+0x68/0x2b8 [ 50.671008][ T6875] kill_block_super+0x44/0x90 [ 50.671779][ T6875] ext4_kill_sb+0x68/0xa4 [ 50.672517][ T6875] deactivate_locked_super+0xc4/0x12c [ 50.673362][ T6875] deactivate_super+0xe0/0x100 [ 50.674181][ T6875] cleanup_mnt+0x31c/0x3ac [ 50.674895][ T6875] __cleanup_mnt+0x20/0x30 [ 50.675681][ T6875] task_work_run+0x1dc/0x260 [ 50.676435][ T6875] do_notify_resume+0x174/0x1f4 [ 50.677283][ T6875] el0_svc+0xb8/0x180 [ 50.677926][ T6875] el0t_64_sync_handler+0x84/0x12c [ 50.678798][ T6875] el0t_64_sync+0x198/0x19c [ 50.679532][ T6875] irq event stamp: 429510 [ 50.680269][ T6875] hardirqs last enabled at (429509): [] exit_to_kernel_mode+0xc0/0xf0 [ 50.681892][ T6875] hardirqs last disabled at (429510): [] el1_brk64+0x1c/0x48 [ 50.683444][ T6875] softirqs last enabled at (429232): [] local_bh_enable+0x10/0x34 [ 50.684898][ T6875] softirqs last disabled at (429230): [] local_bh_disable+0x10/0x34 [ 50.686359][ T6875] ---[ end trace 0000000000000000 ]--- [ 50.709764][ T7465] loop0: detected capacity change from 0 to 1024 [ 50.730052][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 50.731981][ T6875] ------------[ cut here ]------------ [ 50.731988][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.734285][ T6875] Modules linked in: [ 50.734903][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.736461][ T6875] Tainted: [W]=WARN [ 50.737000][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.738371][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.739487][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.740546][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.741556][ T6875] sp : ffff80009e2a7100 [ 50.742243][ T6875] x29: ffff80009e2a7260 x28: ffff0000e51b58d0 x27: 1fffe0001ca36b1a [ 50.743587][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 50.744893][ T6875] x23: ffff0000e51b58a8 x22: 0000000000000000 x21: dfff800000000000 [ 50.746237][ T6875] x20: ffff0000d5a1a068 x19: ffff0000d5a1a000 x18: 1fffe000337a0688 [ 50.747597][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 50.748907][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 50.750269][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 50.751657][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 50.753046][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 50.754439][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.755637][ T6875] Call trace: [ 50.756124][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 50.757164][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 50.758010][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 50.759012][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.759923][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.760791][ T6875] ext4_dirty_inode+0xd4/0x104 [ 50.761529][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 50.762378][ T6875] iput+0x1cc/0x83c [ 50.762997][ T6875] dentry_unlink_inode+0x384/0x45c [ 50.763840][ T6875] __dentry_kill+0x170/0x594 [ 50.764641][ T6875] shrink_kill+0xd4/0x2cc [ 50.765402][ T6875] shrink_dentry_list+0x31c/0x6cc [ 50.766289][ T6875] shrink_dcache_parent+0xac/0x27c [ 50.767151][ T6875] do_one_tree+0x2c/0xf0 [ 50.767841][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 50.768778][ T6875] generic_shutdown_super+0x68/0x2b8 [ 50.769668][ T6875] kill_block_super+0x44/0x90 [ 50.770479][ T6875] ext4_kill_sb+0x68/0xa4 [ 50.771214][ T6875] deactivate_locked_super+0xc4/0x12c [ 50.772136][ T6875] deactivate_super+0xe0/0x100 [ 50.772891][ T6875] cleanup_mnt+0x31c/0x3ac [ 50.773661][ T6875] __cleanup_mnt+0x20/0x30 [ 50.774404][ T6875] task_work_run+0x1dc/0x260 [ 50.775155][ T6875] do_notify_resume+0x174/0x1f4 [ 50.775987][ T6875] el0_svc+0xb8/0x180 [ 50.776691][ T6875] el0t_64_sync_handler+0x84/0x12c [ 50.777583][ T6875] el0t_64_sync+0x198/0x19c [ 50.778350][ T6875] irq event stamp: 434244 [ 50.779065][ T6875] hardirqs last enabled at (434243): [] finish_lock_switch+0xb0/0x1c0 [ 50.780788][ T6875] hardirqs last disabled at (434244): [] el1_brk64+0x1c/0x48 [ 50.782263][ T6875] softirqs last enabled at (434058): [] local_bh_enable+0x10/0x34 [ 50.783759][ T6875] softirqs last disabled at (434056): [] local_bh_disable+0x10/0x34 [ 50.785377][ T6875] ---[ end trace 0000000000000000 ]--- [ 50.800992][ T7469] loop0: detected capacity change from 0 to 1024 [ 50.832813][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 50.832897][ T6875] ------------[ cut here ]------------ [ 50.832903][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.837117][ T6875] Modules linked in: [ 50.837711][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.839321][ T6875] Tainted: [W]=WARN [ 50.839905][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.841412][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.842639][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.843611][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.844730][ T6875] sp : ffff80009e2a7100 [ 50.845370][ T6875] x29: ffff80009e2a7260 x28: ffff0000e512d8d0 x27: 1fffe0001ca25b1a [ 50.846698][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 50.847990][ T6875] x23: ffff0000e512d8a8 x22: 0000000000000000 x21: dfff800000000000 [ 50.849325][ T6875] x20: ffff0000de0b8068 x19: ffff0000de0b8000 x18: 1fffe000337a0688 [ 50.850693][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 50.851981][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 50.853288][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 50.854572][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 50.855924][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 50.857162][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.858354][ T6875] Call trace: [ 50.858840][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 50.859892][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 50.860746][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 50.861626][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.862478][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.863283][ T6875] ext4_dirty_inode+0xd4/0x104 [ 50.863954][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 50.864709][ T6875] iput+0x1cc/0x83c [ 50.865261][ T6875] dentry_unlink_inode+0x384/0x45c [ 50.866109][ T6875] __dentry_kill+0x170/0x594 [ 50.866879][ T6875] shrink_kill+0xd4/0x2cc [ 50.867604][ T6875] shrink_dentry_list+0x31c/0x6cc [ 50.868426][ T6875] shrink_dcache_parent+0xac/0x27c [ 50.869339][ T6875] do_one_tree+0x2c/0xf0 [ 50.870075][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 50.870912][ T6875] generic_shutdown_super+0x68/0x2b8 [ 50.871771][ T6875] kill_block_super+0x44/0x90 [ 50.872536][ T6875] ext4_kill_sb+0x68/0xa4 [ 50.873241][ T6875] deactivate_locked_super+0xc4/0x12c [ 50.874160][ T6875] deactivate_super+0xe0/0x100 [ 50.874943][ T6875] cleanup_mnt+0x31c/0x3ac [ 50.875635][ T6875] __cleanup_mnt+0x20/0x30 [ 50.876371][ T6875] task_work_run+0x1dc/0x260 [ 50.877098][ T6875] do_notify_resume+0x174/0x1f4 [ 50.877907][ T6875] el0_svc+0xb8/0x180 [ 50.878567][ T6875] el0t_64_sync_handler+0x84/0x12c [ 50.879381][ T6875] el0t_64_sync+0x198/0x19c [ 50.880090][ T6875] irq event stamp: 439310 [ 50.880839][ T6875] hardirqs last enabled at (439309): [] exit_to_kernel_mode+0xc0/0xf0 [ 50.882378][ T6875] hardirqs last disabled at (439310): [] el1_brk64+0x1c/0x48 [ 50.883870][ T6875] softirqs last enabled at (439028): [] local_bh_enable+0x10/0x34 [ 50.885386][ T6875] softirqs last disabled at (439026): [] local_bh_disable+0x10/0x34 [ 50.886936][ T6875] ---[ end trace 0000000000000000 ]--- [ 50.907654][ T7473] loop0: detected capacity change from 0 to 1024 [ 50.920767][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 50.923644][ T6875] ------------[ cut here ]------------ [ 50.923656][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.926113][ T6875] Modules linked in: [ 50.926708][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 50.928307][ T6875] Tainted: [W]=WARN [ 50.928875][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 50.930414][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 50.931626][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.932615][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 50.933666][ T6875] sp : ffff80009e2a7100 [ 50.934362][ T6875] x29: ffff80009e2a7260 x28: ffff0000e54202c0 x27: 1fffe0001ca84058 [ 50.935701][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 50.936983][ T6875] x23: ffff0000e5420298 x22: 0000000000000000 x21: dfff800000000000 [ 50.938336][ T6875] x20: ffff0000d9f64068 x19: ffff0000d9f64000 x18: 0000000000000000 [ 50.939671][ T6875] x17: 0000000000000000 x16: ffff80008b007180 x15: 0000000000000001 [ 50.940992][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 50.942413][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 50.943761][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 50.945081][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 50.946340][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 50.947713][ T6875] Call trace: [ 50.948251][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 50.949305][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 50.950138][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 50.951069][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 50.951989][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 50.952852][ T6875] ext4_dirty_inode+0xd4/0x104 [ 50.953577][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 50.954319][ T6875] iput+0x1cc/0x83c [ 50.954877][ T6875] dentry_unlink_inode+0x384/0x45c [ 50.955716][ T6875] __dentry_kill+0x170/0x594 [ 50.956460][ T6875] shrink_kill+0xd4/0x2cc [ 50.957070][ T6875] shrink_dentry_list+0x31c/0x6cc [ 50.957754][ T6875] shrink_dcache_parent+0xac/0x27c [ 50.958461][ T6875] do_one_tree+0x2c/0xf0 [ 50.959073][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 50.959942][ T6875] generic_shutdown_super+0x68/0x2b8 [ 50.960851][ T6875] kill_block_super+0x44/0x90 [ 50.961579][ T6875] ext4_kill_sb+0x68/0xa4 [ 50.962236][ T6875] deactivate_locked_super+0xc4/0x12c [ 50.963057][ T6875] deactivate_super+0xe0/0x100 [ 50.963786][ T6875] cleanup_mnt+0x31c/0x3ac [ 50.964473][ T6875] __cleanup_mnt+0x20/0x30 [ 50.965116][ T6875] task_work_run+0x1dc/0x260 [ 50.965767][ T6875] do_notify_resume+0x174/0x1f4 [ 50.966551][ T6875] el0_svc+0xb8/0x180 [ 50.967204][ T6875] el0t_64_sync_handler+0x84/0x12c [ 50.968039][ T6875] el0t_64_sync+0x198/0x19c [ 50.968784][ T6875] irq event stamp: 444412 [ 50.969471][ T6875] hardirqs last enabled at (444411): [] finish_lock_switch+0xb0/0x1c0 [ 50.971167][ T6875] hardirqs last disabled at (444412): [] el1_brk64+0x1c/0x48 [ 50.972706][ T6875] softirqs last enabled at (444132): [] local_bh_enable+0x10/0x34 [ 50.974263][ T6875] softirqs last disabled at (444130): [] local_bh_disable+0x10/0x34 [ 50.975855][ T6875] ---[ end trace 0000000000000000 ]--- [ 50.999588][ T7477] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 51.018709][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 51.018798][ T6875] ------------[ cut here ]------------ [ 51.018802][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.023630][ T6875] Modules linked in: [ 51.024227][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.025758][ T6875] Tainted: [W]=WARN [ 51.026364][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.027978][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.029192][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.030218][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.031265][ T6875] sp : ffff80009e2a7100 [ 51.031895][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5426bf0 x27: 1fffe0001ca84d7e [ 51.033283][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 51.034549][ T6875] x23: ffff0000e5426bc8 x22: 0000000000000000 x21: dfff800000000000 [ 51.035812][ T6875] x20: ffff0000c9cd0068 x19: ffff0000c9cd0000 x18: 1fffe000337a0688 [ 51.037080][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 51.038305][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 51.039661][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 51.040971][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 51.042285][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 51.043629][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.044883][ T6875] Call trace: [ 51.045379][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 51.046379][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 51.047152][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 51.047975][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.048787][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.049551][ T6875] ext4_dirty_inode+0xd4/0x104 [ 51.050237][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 51.051043][ T6875] iput+0x1cc/0x83c [ 51.051650][ T6875] dentry_unlink_inode+0x384/0x45c [ 51.052433][ T6875] __dentry_kill+0x170/0x594 [ 51.053205][ T6875] shrink_kill+0xd4/0x2cc [ 51.053902][ T6875] shrink_dentry_list+0x31c/0x6cc [ 51.054718][ T6875] shrink_dcache_parent+0xac/0x27c [ 51.055544][ T6875] do_one_tree+0x2c/0xf0 [ 51.056203][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 51.057122][ T6875] generic_shutdown_super+0x68/0x2b8 [ 51.057920][ T6875] kill_block_super+0x44/0x90 [ 51.058585][ T6875] ext4_kill_sb+0x68/0xa4 [ 51.059241][ T6875] deactivate_locked_super+0xc4/0x12c [ 51.060170][ T6875] deactivate_super+0xe0/0x100 [ 51.060967][ T6875] cleanup_mnt+0x31c/0x3ac [ 51.061691][ T6875] __cleanup_mnt+0x20/0x30 [ 51.062365][ T6875] task_work_run+0x1dc/0x260 [ 51.063071][ T6875] do_notify_resume+0x174/0x1f4 [ 51.063806][ T6875] el0_svc+0xb8/0x180 [ 51.064399][ T6875] el0t_64_sync_handler+0x84/0x12c [ 51.065153][ T6875] el0t_64_sync+0x198/0x19c [ 51.065801][ T6875] irq event stamp: 449204 [ 51.066471][ T6875] hardirqs last enabled at (449203): [] exit_to_kernel_mode+0xc0/0xf0 [ 51.068037][ T6875] hardirqs last disabled at (449204): [] el1_brk64+0x1c/0x48 [ 51.069487][ T6875] softirqs last enabled at (448932): [] local_bh_enable+0x10/0x34 [ 51.070878][ T6875] softirqs last disabled at (448930): [] local_bh_disable+0x10/0x34 [ 51.072329][ T6875] ---[ end trace 0000000000000000 ]--- [ 51.090017][ T7481] loop0: detected capacity change from 0 to 1024 [ 51.101963][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 51.102060][ T6875] ------------[ cut here ]------------ [ 51.102066][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.106117][ T6875] Modules linked in: [ 51.106653][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.108142][ T6875] Tainted: [W]=WARN [ 51.108738][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.110384][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.111615][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.112651][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.113702][ T6875] sp : ffff80009e2a7100 [ 51.114376][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4e215e0 x27: 1fffe0001c9c42bc [ 51.115687][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 51.116951][ T6875] x23: ffff0000e4e215b8 x22: 0000000000000000 x21: dfff800000000000 [ 51.118303][ T6875] x20: ffff0000ca77e068 x19: ffff0000ca77e000 x18: 1fffe000337a0688 [ 51.119548][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 51.120765][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 51.122028][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 51.123376][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 51.124758][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 51.126055][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.127449][ T6875] Call trace: [ 51.128005][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 51.129074][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 51.129863][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 51.130766][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.131595][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.132437][ T6875] ext4_dirty_inode+0xd4/0x104 [ 51.133130][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 51.133914][ T6875] iput+0x1cc/0x83c [ 51.134474][ T6875] dentry_unlink_inode+0x384/0x45c [ 51.135317][ T6875] __dentry_kill+0x170/0x594 [ 51.136025][ T6875] shrink_kill+0xd4/0x2cc [ 51.136791][ T6875] shrink_dentry_list+0x31c/0x6cc [ 51.137575][ T6875] shrink_dcache_parent+0xac/0x27c [ 51.138434][ T6875] do_one_tree+0x2c/0xf0 [ 51.139112][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 51.139985][ T6875] generic_shutdown_super+0x68/0x2b8 [ 51.140864][ T6875] kill_block_super+0x44/0x90 [ 51.141635][ T6875] ext4_kill_sb+0x68/0xa4 [ 51.142327][ T6875] deactivate_locked_super+0xc4/0x12c [ 51.143224][ T6875] deactivate_super+0xe0/0x100 [ 51.144001][ T6875] cleanup_mnt+0x31c/0x3ac [ 51.144729][ T6875] __cleanup_mnt+0x20/0x30 [ 51.145432][ T6875] task_work_run+0x1dc/0x260 [ 51.146228][ T6875] do_notify_resume+0x174/0x1f4 [ 51.147055][ T6875] el0_svc+0xb8/0x180 [ 51.147804][ T6875] el0t_64_sync_handler+0x84/0x12c [ 51.148715][ T6875] el0t_64_sync+0x198/0x19c [ 51.149483][ T6875] irq event stamp: 453772 [ 51.150215][ T6875] hardirqs last enabled at (453771): [] exit_to_kernel_mode+0xc0/0xf0 [ 51.151753][ T6875] hardirqs last disabled at (453772): [] el1_brk64+0x1c/0x48 [ 51.153276][ T6875] softirqs last enabled at (453492): [] local_bh_enable+0x10/0x34 [ 51.154919][ T6875] softirqs last disabled at (453490): [] local_bh_disable+0x10/0x34 [ 51.156557][ T6875] ---[ end trace 0000000000000000 ]--- [ 51.171437][ T7485] loop0: detected capacity change from 0 to 1024 [ 51.192223][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 51.192326][ T6875] ------------[ cut here ]------------ [ 51.192332][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.196609][ T6875] Modules linked in: [ 51.197242][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.199002][ T6875] Tainted: [W]=WARN [ 51.199629][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.201152][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.202338][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.203345][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.204388][ T6875] sp : ffff80009e2a7100 [ 51.205034][ T6875] x29: ffff80009e2a7260 x28: ffff0000e51bebf0 x27: 1fffe0001ca37d7e [ 51.206255][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 51.207432][ T6875] x23: ffff0000e51bebc8 x22: 0000000000000000 x21: dfff800000000000 [ 51.208621][ T6875] x20: ffff0000cac9e068 x19: ffff0000cac9e000 x18: 1fffe000337a0688 [ 51.209791][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 51.211030][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 51.212279][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 51.213528][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 51.214836][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 51.216103][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.217489][ T6875] Call trace: [ 51.218034][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 51.219143][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 51.219961][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 51.220946][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.221886][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.222811][ T6875] ext4_dirty_inode+0xd4/0x104 [ 51.223574][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 51.224358][ T6875] iput+0x1cc/0x83c [ 51.224989][ T6875] dentry_unlink_inode+0x384/0x45c [ 51.225787][ T6875] __dentry_kill+0x170/0x594 [ 51.226549][ T6875] shrink_kill+0xd4/0x2cc [ 51.227356][ T6875] shrink_dentry_list+0x31c/0x6cc [ 51.228166][ T6875] shrink_dcache_parent+0xac/0x27c [ 51.228963][ T6875] do_one_tree+0x2c/0xf0 [ 51.229614][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 51.230449][ T6875] generic_shutdown_super+0x68/0x2b8 [ 51.231248][ T6875] kill_block_super+0x44/0x90 [ 51.231892][ T6875] ext4_kill_sb+0x68/0xa4 [ 51.232493][ T6875] deactivate_locked_super+0xc4/0x12c [ 51.233367][ T6875] deactivate_super+0xe0/0x100 [ 51.234171][ T6875] cleanup_mnt+0x31c/0x3ac [ 51.234924][ T6875] __cleanup_mnt+0x20/0x30 [ 51.235644][ T6875] task_work_run+0x1dc/0x260 [ 51.236427][ T6875] do_notify_resume+0x174/0x1f4 [ 51.237293][ T6875] el0_svc+0xb8/0x180 [ 51.237990][ T6875] el0t_64_sync_handler+0x84/0x12c [ 51.238826][ T6875] el0t_64_sync+0x198/0x19c [ 51.239564][ T6875] irq event stamp: 459964 [ 51.240274][ T6875] hardirqs last enabled at (459963): [] exit_to_kernel_mode+0xc0/0xf0 [ 51.241966][ T6875] hardirqs last disabled at (459964): [] el1_brk64+0x1c/0x48 [ 51.243376][ T6875] softirqs last enabled at (459678): [] local_bh_enable+0x10/0x34 [ 51.244913][ T6875] softirqs last disabled at (459676): [] local_bh_disable+0x10/0x34 [ 51.246400][ T6875] ---[ end trace 0000000000000000 ]--- [ 51.270032][ T7489] loop0: detected capacity change from 0 to 1024 [ 51.280836][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 51.283164][ T6875] ------------[ cut here ]------------ [ 51.283173][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.285880][ T6875] Modules linked in: [ 51.286470][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.288061][ T6875] Tainted: [W]=WARN [ 51.288612][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.290071][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.291251][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.292293][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.293371][ T6875] sp : ffff80009e2a7100 [ 51.294030][ T6875] x29: ffff80009e2a7260 x28: ffff0000e54495e0 x27: 1fffe0001ca892bc [ 51.295201][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 51.296516][ T6875] x23: ffff0000e54495b8 x22: 0000000000000000 x21: dfff800000000000 [ 51.297798][ T6875] x20: ffff0000cbeac068 x19: ffff0000cbeac000 x18: 1fffe0003379be88 [ 51.299088][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 51.300411][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 51.301698][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 51.302914][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 51.304122][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 51.305423][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.306779][ T6875] Call trace: [ 51.307329][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 51.308371][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 51.309267][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 51.310211][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.311143][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.312086][ T6875] ext4_dirty_inode+0xd4/0x104 [ 51.312965][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 51.313853][ T6875] iput+0x1cc/0x83c [ 51.314469][ T6875] dentry_unlink_inode+0x384/0x45c [ 51.315327][ T6875] __dentry_kill+0x170/0x594 [ 51.316110][ T6875] shrink_kill+0xd4/0x2cc [ 51.316862][ T6875] shrink_dentry_list+0x31c/0x6cc [ 51.317746][ T6875] shrink_dcache_parent+0xac/0x27c [ 51.318621][ T6875] do_one_tree+0x2c/0xf0 [ 51.319374][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 51.320332][ T6875] generic_shutdown_super+0x68/0x2b8 [ 51.321221][ T6875] kill_block_super+0x44/0x90 [ 51.321998][ T6875] ext4_kill_sb+0x68/0xa4 [ 51.322737][ T6875] deactivate_locked_super+0xc4/0x12c [ 51.323585][ T6875] deactivate_super+0xe0/0x100 [ 51.324411][ T6875] cleanup_mnt+0x31c/0x3ac [ 51.325154][ T6875] __cleanup_mnt+0x20/0x30 [ 51.325868][ T6875] task_work_run+0x1dc/0x260 [ 51.326631][ T6875] do_notify_resume+0x174/0x1f4 [ 51.327441][ T6875] el0_svc+0xb8/0x180 [ 51.328136][ T6875] el0t_64_sync_handler+0x84/0x12c [ 51.328977][ T6875] el0t_64_sync+0x198/0x19c [ 51.329669][ T6875] irq event stamp: 465594 [ 51.330307][ T6875] hardirqs last enabled at (465593): [] finish_lock_switch+0xb0/0x1c0 [ 51.331893][ T6875] hardirqs last disabled at (465594): [] el1_brk64+0x1c/0x48 [ 51.333401][ T6875] softirqs last enabled at (465408): [] local_bh_enable+0x10/0x34 [ 51.334929][ T6875] softirqs last disabled at (465406): [] local_bh_disable+0x10/0x34 [ 51.336432][ T6875] ---[ end trace 0000000000000000 ]--- [ 51.351802][ T7493] loop0: detected capacity change from 0 to 1024 [ 51.374040][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 51.375950][ T6875] ------------[ cut here ]------------ [ 51.375958][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.378498][ T6875] Modules linked in: [ 51.379154][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.380930][ T6875] Tainted: [W]=WARN [ 51.381550][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.383177][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.384484][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.385558][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.386606][ T6875] sp : ffff80009e2a7100 [ 51.387279][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5446260 x27: 1fffe0001ca88c4c [ 51.388663][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 51.390024][ T6875] x23: ffff0000e5446238 x22: 0000000000000000 x21: dfff800000000000 [ 51.391434][ T6875] x20: ffff0000cc340068 x19: ffff0000cc340000 x18: 1fffe0003379be88 [ 51.392772][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 51.394039][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 51.395330][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 51.396640][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 51.398041][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 51.399358][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.400684][ T6875] Call trace: [ 51.401195][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 51.402240][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 51.402986][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 51.403898][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.404768][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.405637][ T6875] ext4_dirty_inode+0xd4/0x104 [ 51.406412][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 51.407213][ T6875] iput+0x1cc/0x83c [ 51.407813][ T6875] dentry_unlink_inode+0x384/0x45c [ 51.408660][ T6875] __dentry_kill+0x170/0x594 [ 51.409357][ T6875] shrink_kill+0xd4/0x2cc [ 51.410106][ T6875] shrink_dentry_list+0x31c/0x6cc [ 51.410969][ T6875] shrink_dcache_parent+0xac/0x27c [ 51.411804][ T6875] do_one_tree+0x2c/0xf0 [ 51.412500][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 51.413420][ T6875] generic_shutdown_super+0x68/0x2b8 [ 51.414340][ T6875] kill_block_super+0x44/0x90 [ 51.415128][ T6875] ext4_kill_sb+0x68/0xa4 [ 51.415860][ T6875] deactivate_locked_super+0xc4/0x12c [ 51.416773][ T6875] deactivate_super+0xe0/0x100 [ 51.417570][ T6875] cleanup_mnt+0x31c/0x3ac [ 51.418323][ T6875] __cleanup_mnt+0x20/0x30 [ 51.419042][ T6875] task_work_run+0x1dc/0x260 [ 51.419754][ T6875] do_notify_resume+0x174/0x1f4 [ 51.420467][ T6875] el0_svc+0xb8/0x180 [ 51.421078][ T6875] el0t_64_sync_handler+0x84/0x12c [ 51.421837][ T6875] el0t_64_sync+0x198/0x19c [ 51.422509][ T6875] irq event stamp: 470096 [ 51.423225][ T6875] hardirqs last enabled at (470095): [] finish_lock_switch+0xb0/0x1c0 [ 51.424719][ T6875] hardirqs last disabled at (470096): [] el1_brk64+0x1c/0x48 [ 51.426034][ T6875] softirqs last enabled at (469934): [] local_bh_enable+0x10/0x34 [ 51.427456][ T6875] softirqs last disabled at (469932): [] local_bh_disable+0x10/0x34 [ 51.428943][ T6875] ---[ end trace 0000000000000000 ]--- [ 51.444362][ T7497] loop0: detected capacity change from 0 to 1024 [ 51.460644][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 51.462569][ T6875] ------------[ cut here ]------------ [ 51.462575][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.464876][ T6875] Modules linked in: [ 51.465441][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.466914][ T6875] Tainted: [W]=WARN [ 51.467450][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.469156][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.470386][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.471431][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.472539][ T6875] sp : ffff80009e2a7100 [ 51.473215][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5136260 x27: 1fffe0001ca26c4c [ 51.474498][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 51.475874][ T6875] x23: ffff0000e5136238 x22: 0000000000000000 x21: dfff800000000000 [ 51.477161][ T6875] x20: ffff0000c8416068 x19: ffff0000c8416000 x18: 1fffe0003379be88 [ 51.478445][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 51.479747][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 51.481052][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 51.482405][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 51.483561][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 51.484701][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.485815][ T6875] Call trace: [ 51.486263][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 51.487202][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 51.487945][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 51.488750][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.489567][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.490412][ T6875] ext4_dirty_inode+0xd4/0x104 [ 51.491155][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 51.491947][ T6875] iput+0x1cc/0x83c [ 51.492515][ T6875] dentry_unlink_inode+0x384/0x45c [ 51.493274][ T6875] __dentry_kill+0x170/0x594 [ 51.493972][ T6875] shrink_kill+0xd4/0x2cc [ 51.494586][ T6875] shrink_dentry_list+0x31c/0x6cc [ 51.495330][ T6875] shrink_dcache_parent+0xac/0x27c [ 51.496182][ T6875] do_one_tree+0x2c/0xf0 [ 51.496878][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 51.497754][ T6875] generic_shutdown_super+0x68/0x2b8 [ 51.498518][ T6875] kill_block_super+0x44/0x90 [ 51.499363][ T6875] ext4_kill_sb+0x68/0xa4 [ 51.500116][ T6875] deactivate_locked_super+0xc4/0x12c [ 51.500989][ T6875] deactivate_super+0xe0/0x100 [ 51.501821][ T6875] cleanup_mnt+0x31c/0x3ac [ 51.502465][ T6875] __cleanup_mnt+0x20/0x30 [ 51.503118][ T6875] task_work_run+0x1dc/0x260 [ 51.503828][ T6875] do_notify_resume+0x174/0x1f4 [ 51.504625][ T6875] el0_svc+0xb8/0x180 [ 51.505228][ T6875] el0t_64_sync_handler+0x84/0x12c [ 51.505978][ T6875] el0t_64_sync+0x198/0x19c [ 51.506742][ T6875] irq event stamp: 475128 [ 51.507487][ T6875] hardirqs last enabled at (475127): [] finish_lock_switch+0xb0/0x1c0 [ 51.509094][ T6875] hardirqs last disabled at (475128): [] el1_brk64+0x1c/0x48 [ 51.510609][ T6875] softirqs last enabled at (474968): [] local_bh_enable+0x10/0x34 [ 51.512094][ T6875] softirqs last disabled at (474966): [] local_bh_disable+0x10/0x34 [ 51.513624][ T6875] ---[ end trace 0000000000000000 ]--- [ 51.528590][ T7501] loop0: detected capacity change from 0 to 1024 [ 51.555284][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 51.557129][ T6875] ------------[ cut here ]------------ [ 51.557136][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.559552][ T6875] Modules linked in: [ 51.560152][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.561691][ T6875] Tainted: [W]=WARN [ 51.562230][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.563632][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.564715][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.565649][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.566606][ T6875] sp : ffff80009e2a7100 [ 51.567267][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5462900 x27: 1fffe0001ca8c520 [ 51.568627][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 51.569954][ T6875] x23: ffff0000e54628d8 x22: 0000000000000000 x21: dfff800000000000 [ 51.571282][ T6875] x20: ffff0000cc8a8068 x19: ffff0000cc8a8000 x18: 1fffe0003379be88 [ 51.572527][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 51.573766][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 51.575023][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 51.576263][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 51.577434][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 51.578607][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.579808][ T6875] Call trace: [ 51.580275][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 51.581233][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 51.582074][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 51.583066][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.583953][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.584773][ T6875] ext4_dirty_inode+0xd4/0x104 [ 51.585523][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 51.586314][ T6875] iput+0x1cc/0x83c [ 51.586969][ T6875] dentry_unlink_inode+0x384/0x45c [ 51.587709][ T6875] __dentry_kill+0x170/0x594 [ 51.588454][ T6875] shrink_kill+0xd4/0x2cc [ 51.589089][ T6875] shrink_dentry_list+0x31c/0x6cc [ 51.589908][ T6875] shrink_dcache_parent+0xac/0x27c [ 51.590805][ T6875] do_one_tree+0x2c/0xf0 [ 51.591507][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 51.592361][ T6875] generic_shutdown_super+0x68/0x2b8 [ 51.593125][ T6875] kill_block_super+0x44/0x90 [ 51.593788][ T6875] ext4_kill_sb+0x68/0xa4 [ 51.594410][ T6875] deactivate_locked_super+0xc4/0x12c [ 51.595182][ T6875] deactivate_super+0xe0/0x100 [ 51.595920][ T6875] cleanup_mnt+0x31c/0x3ac [ 51.596616][ T6875] __cleanup_mnt+0x20/0x30 [ 51.597254][ T6875] task_work_run+0x1dc/0x260 [ 51.597925][ T6875] do_notify_resume+0x174/0x1f4 [ 51.598697][ T6875] el0_svc+0xb8/0x180 [ 51.599297][ T6875] el0t_64_sync_handler+0x84/0x12c [ 51.599987][ T6875] el0t_64_sync+0x198/0x19c [ 51.600684][ T6875] irq event stamp: 480330 [ 51.601314][ T6875] hardirqs last enabled at (480329): [] finish_lock_switch+0xb0/0x1c0 [ 51.602729][ T6875] hardirqs last disabled at (480330): [] el1_brk64+0x1c/0x48 [ 51.603958][ T6875] softirqs last enabled at (480160): [] local_bh_enable+0x10/0x34 [ 51.605513][ T6875] softirqs last disabled at (480158): [] local_bh_disable+0x10/0x34 [ 51.607009][ T6875] ---[ end trace 0000000000000000 ]--- [ 51.621322][ T7505] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 51.654787][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 51.654874][ T6875] ------------[ cut here ]------------ [ 51.654879][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.659505][ T6875] Modules linked in: [ 51.660081][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.661584][ T6875] Tainted: [W]=WARN [ 51.662103][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.663468][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.664585][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.665581][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.666637][ T6875] sp : ffff80009e2a7100 [ 51.667237][ T6875] x29: ffff80009e2a7260 x28: ffff0000e54645b0 x27: 1fffe0001ca8c8b6 [ 51.668427][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 51.669594][ T6875] x23: ffff0000e5464588 x22: 0000000000000000 x21: dfff800000000000 [ 51.670773][ T6875] x20: ffff0000cc8b6068 x19: ffff0000cc8b6000 x18: 1fffe000337a0688 [ 51.672117][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 51.673403][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 51.674643][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 51.675873][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 51.677126][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 51.678327][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.679474][ T6875] Call trace: [ 51.679934][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 51.680845][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 51.681612][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 51.682403][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.683174][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.683940][ T6875] ext4_dirty_inode+0xd4/0x104 [ 51.684615][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 51.685342][ T6875] iput+0x1cc/0x83c [ 51.686000][ T6875] dentry_unlink_inode+0x384/0x45c [ 51.686820][ T6875] __dentry_kill+0x170/0x594 [ 51.687578][ T6875] shrink_kill+0xd4/0x2cc [ 51.688276][ T6875] shrink_dentry_list+0x31c/0x6cc [ 51.689094][ T6875] shrink_dcache_parent+0xac/0x27c [ 51.689904][ T6875] do_one_tree+0x2c/0xf0 [ 51.690615][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 51.691559][ T6875] generic_shutdown_super+0x68/0x2b8 [ 51.692345][ T6875] kill_block_super+0x44/0x90 [ 51.693015][ T6875] ext4_kill_sb+0x68/0xa4 [ 51.693649][ T6875] deactivate_locked_super+0xc4/0x12c [ 51.694504][ T6875] deactivate_super+0xe0/0x100 [ 51.695225][ T6875] cleanup_mnt+0x31c/0x3ac [ 51.695914][ T6875] __cleanup_mnt+0x20/0x30 [ 51.696605][ T6875] task_work_run+0x1dc/0x260 [ 51.697348][ T6875] do_notify_resume+0x174/0x1f4 [ 51.698152][ T6875] el0_svc+0xb8/0x180 [ 51.698868][ T6875] el0t_64_sync_handler+0x84/0x12c [ 51.699745][ T6875] el0t_64_sync+0x198/0x19c [ 51.700514][ T6875] irq event stamp: 487228 [ 51.701231][ T6875] hardirqs last enabled at (487227): [] exit_to_kernel_mode+0xc0/0xf0 [ 51.702748][ T6875] hardirqs last disabled at (487228): [] el1_brk64+0x1c/0x48 [ 51.704211][ T6875] softirqs last enabled at (486960): [] handle_softirqs+0xaf8/0xc88 [ 51.705730][ T6875] softirqs last disabled at (485855): [] __do_softirq+0x14/0x20 [ 51.707315][ T6875] ---[ end trace 0000000000000000 ]--- [ 51.726485][ T7510] loop0: detected capacity change from 0 to 1024 [ 51.743354][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 51.745594][ T6875] ------------[ cut here ]------------ [ 51.745601][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.747901][ T6875] Modules linked in: [ 51.748460][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.749939][ T6875] Tainted: [W]=WARN [ 51.750522][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.751938][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.753165][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.754214][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.755181][ T6875] sp : ffff80009e2a7100 [ 51.755800][ T6875] x29: ffff80009e2a7260 x28: ffff0000e546c5b0 x27: 1fffe0001ca8d8b6 [ 51.757032][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 51.758265][ T6875] x23: ffff0000e546c588 x22: 0000000000000000 x21: dfff800000000000 [ 51.759466][ T6875] x20: ffff0000cc93c068 x19: ffff0000cc93c000 x18: 1fffe0003379be88 [ 51.760673][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 51.761949][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 51.763215][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 51.764621][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 51.765969][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 51.767192][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.768457][ T6875] Call trace: [ 51.769026][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 51.770118][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 51.770964][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 51.771946][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.772841][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.773730][ T6875] ext4_dirty_inode+0xd4/0x104 [ 51.774521][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 51.775329][ T6875] iput+0x1cc/0x83c [ 51.775933][ T6875] dentry_unlink_inode+0x384/0x45c [ 51.776718][ T6875] __dentry_kill+0x170/0x594 [ 51.777452][ T6875] shrink_kill+0xd4/0x2cc [ 51.778214][ T6875] shrink_dentry_list+0x31c/0x6cc [ 51.779073][ T6875] shrink_dcache_parent+0xac/0x27c [ 51.779849][ T6875] do_one_tree+0x2c/0xf0 [ 51.780504][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 51.781343][ T6875] generic_shutdown_super+0x68/0x2b8 [ 51.782125][ T6875] kill_block_super+0x44/0x90 [ 51.782778][ T6875] ext4_kill_sb+0x68/0xa4 [ 51.783432][ T6875] deactivate_locked_super+0xc4/0x12c [ 51.784258][ T6875] deactivate_super+0xe0/0x100 [ 51.785030][ T6875] cleanup_mnt+0x31c/0x3ac [ 51.785785][ T6875] __cleanup_mnt+0x20/0x30 [ 51.786474][ T6875] task_work_run+0x1dc/0x260 [ 51.787259][ T6875] do_notify_resume+0x174/0x1f4 [ 51.788088][ T6875] el0_svc+0xb8/0x180 [ 51.788759][ T6875] el0t_64_sync_handler+0x84/0x12c [ 51.789645][ T6875] el0t_64_sync+0x198/0x19c [ 51.790412][ T6875] irq event stamp: 492592 [ 51.791132][ T6875] hardirqs last enabled at (492591): [] finish_lock_switch+0xb0/0x1c0 [ 51.792712][ T6875] hardirqs last disabled at (492592): [] el1_brk64+0x1c/0x48 [ 51.794088][ T6875] softirqs last enabled at (492302): [] local_bh_enable+0x10/0x34 [ 51.795470][ T6875] softirqs last disabled at (492300): [] local_bh_disable+0x10/0x34 [ 51.796897][ T6875] ---[ end trace 0000000000000000 ]--- [ 51.811357][ T7514] loop0: detected capacity change from 0 to 1024 [ 51.839162][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 51.841116][ T6875] ------------[ cut here ]------------ [ 51.841124][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.843415][ T6875] Modules linked in: [ 51.844004][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.845606][ T6875] Tainted: [W]=WARN [ 51.846182][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.847626][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.848736][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.849658][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.850599][ T6875] sp : ffff80009e2a7100 [ 51.851165][ T6875] x29: ffff80009e2a7260 x28: ffff0000e546b290 x27: 1fffe0001ca8d652 [ 51.852308][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 51.853467][ T6875] x23: ffff0000e546b268 x22: 0000000000000000 x21: dfff800000000000 [ 51.854736][ T6875] x20: ffff0000cc6da068 x19: ffff0000cc6da000 x18: 1fffe0003379be88 [ 51.856073][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 51.857326][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 51.858534][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 51.859868][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 51.861241][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 51.862589][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.863904][ T6875] Call trace: [ 51.864410][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 51.865497][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 51.866390][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 51.867386][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.868289][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.869207][ T6875] ext4_dirty_inode+0xd4/0x104 [ 51.869984][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 51.870820][ T6875] iput+0x1cc/0x83c [ 51.871479][ T6875] dentry_unlink_inode+0x384/0x45c [ 51.872334][ T6875] __dentry_kill+0x170/0x594 [ 51.873057][ T6875] shrink_kill+0xd4/0x2cc [ 51.873748][ T6875] shrink_dentry_list+0x31c/0x6cc [ 51.874556][ T6875] shrink_dcache_parent+0xac/0x27c [ 51.875332][ T6875] do_one_tree+0x2c/0xf0 [ 51.875998][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 51.876836][ T6875] generic_shutdown_super+0x68/0x2b8 [ 51.877757][ T6875] kill_block_super+0x44/0x90 [ 51.878512][ T6875] ext4_kill_sb+0x68/0xa4 [ 51.879232][ T6875] deactivate_locked_super+0xc4/0x12c [ 51.880111][ T6875] deactivate_super+0xe0/0x100 [ 51.880925][ T6875] cleanup_mnt+0x31c/0x3ac [ 51.881645][ T6875] __cleanup_mnt+0x20/0x30 [ 51.882394][ T6875] task_work_run+0x1dc/0x260 [ 51.883092][ T6875] do_notify_resume+0x174/0x1f4 [ 51.883829][ T6875] el0_svc+0xb8/0x180 [ 51.884480][ T6875] el0t_64_sync_handler+0x84/0x12c [ 51.885280][ T6875] el0t_64_sync+0x198/0x19c [ 51.885986][ T6875] irq event stamp: 497492 [ 51.886650][ T6875] hardirqs last enabled at (497491): [] finish_lock_switch+0xb0/0x1c0 [ 51.888186][ T6875] hardirqs last disabled at (497492): [] el1_brk64+0x1c/0x48 [ 51.889690][ T6875] softirqs last enabled at (497214): [] local_bh_enable+0x10/0x34 [ 51.891236][ T6875] softirqs last disabled at (497212): [] local_bh_disable+0x10/0x34 [ 51.892790][ T6875] ---[ end trace 0000000000000000 ]--- [ 51.916648][ T7518] loop0: detected capacity change from 0 to 1024 [ 51.942928][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 51.945120][ T6875] ------------[ cut here ]------------ [ 51.945127][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.947497][ T6875] Modules linked in: [ 51.948079][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 51.949643][ T6875] Tainted: [W]=WARN [ 51.950209][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 51.951668][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 51.952768][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.953698][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 51.954651][ T6875] sp : ffff80009e2a7100 [ 51.955218][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4e8a900 x27: 1fffe0001c9d1520 [ 51.956336][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 51.957556][ T6875] x23: ffff0000e4e8a8d8 x22: 0000000000000000 x21: dfff800000000000 [ 51.958726][ T6875] x20: ffff0000d9c46068 x19: ffff0000d9c46000 x18: 1fffe0003379be88 [ 51.960031][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 51.961272][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 51.962436][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 51.963752][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 51.964931][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 51.966098][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 51.967296][ T6875] Call trace: [ 51.967763][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 51.968690][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 51.969452][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 51.970272][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 51.971056][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 51.971833][ T6875] ext4_dirty_inode+0xd4/0x104 [ 51.972522][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 51.973238][ T6875] iput+0x1cc/0x83c [ 51.973765][ T6875] dentry_unlink_inode+0x384/0x45c [ 51.974520][ T6875] __dentry_kill+0x170/0x594 [ 51.975196][ T6875] shrink_kill+0xd4/0x2cc [ 51.975831][ T6875] shrink_dentry_list+0x31c/0x6cc [ 51.976554][ T6875] shrink_dcache_parent+0xac/0x27c [ 51.977287][ T6875] do_one_tree+0x2c/0xf0 [ 51.977914][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 51.978783][ T6875] generic_shutdown_super+0x68/0x2b8 [ 51.979682][ T6875] kill_block_super+0x44/0x90 [ 51.980409][ T6875] ext4_kill_sb+0x68/0xa4 [ 51.981116][ T6875] deactivate_locked_super+0xc4/0x12c [ 51.981995][ T6875] deactivate_super+0xe0/0x100 [ 51.982792][ T6875] cleanup_mnt+0x31c/0x3ac [ 51.983520][ T6875] __cleanup_mnt+0x20/0x30 [ 51.984273][ T6875] task_work_run+0x1dc/0x260 [ 51.985006][ T6875] do_notify_resume+0x174/0x1f4 [ 51.985764][ T6875] el0_svc+0xb8/0x180 [ 51.986416][ T6875] el0t_64_sync_handler+0x84/0x12c [ 51.987237][ T6875] el0t_64_sync+0x198/0x19c [ 51.987962][ T6875] irq event stamp: 502054 [ 51.988634][ T6875] hardirqs last enabled at (502053): [] finish_lock_switch+0xb0/0x1c0 [ 51.990228][ T6875] hardirqs last disabled at (502054): [] el1_brk64+0x1c/0x48 [ 51.991699][ T6875] softirqs last enabled at (501928): [] local_bh_enable+0x10/0x34 [ 51.993275][ T6875] softirqs last disabled at (501926): [] local_bh_disable+0x10/0x34 [ 51.994657][ T6875] ---[ end trace 0000000000000000 ]--- [ 52.008089][ T7522] loop0: detected capacity change from 0 to 1024 [ 52.021975][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 52.022064][ T6875] ------------[ cut here ]------------ [ 52.022069][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.026481][ T6875] Modules linked in: [ 52.027155][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.028973][ T6875] Tainted: [W]=WARN [ 52.029587][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.031257][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.032576][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.033616][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.034570][ T6875] sp : ffff80009e2a7100 [ 52.035189][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5471f70 x27: 1fffe0001ca8e3ee [ 52.036350][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 52.037566][ T6875] x23: ffff0000e5471f48 x22: 0000000000000000 x21: dfff800000000000 [ 52.038715][ T6875] x20: ffff0000c7b3e068 x19: ffff0000c7b3e000 x18: 1fffe000337a0688 [ 52.039906][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 52.041061][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 52.042195][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 52.043309][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 52.044422][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 52.045542][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.046636][ T6875] Call trace: [ 52.047094][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 52.048160][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 52.049028][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 52.049964][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.050844][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.051760][ T6875] ext4_dirty_inode+0xd4/0x104 [ 52.052564][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 52.053431][ T6875] iput+0x1cc/0x83c [ 52.054094][ T6875] dentry_unlink_inode+0x384/0x45c [ 52.054972][ T6875] __dentry_kill+0x170/0x594 [ 52.055684][ T6875] shrink_kill+0xd4/0x2cc [ 52.056375][ T6875] shrink_dentry_list+0x31c/0x6cc [ 52.057214][ T6875] shrink_dcache_parent+0xac/0x27c [ 52.058066][ T6875] do_one_tree+0x2c/0xf0 [ 52.058776][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 52.059660][ T6875] generic_shutdown_super+0x68/0x2b8 [ 52.060544][ T6875] kill_block_super+0x44/0x90 [ 52.061268][ T6875] ext4_kill_sb+0x68/0xa4 [ 52.061929][ T6875] deactivate_locked_super+0xc4/0x12c [ 52.062868][ T6875] deactivate_super+0xe0/0x100 [ 52.063749][ T6875] cleanup_mnt+0x31c/0x3ac [ 52.064486][ T6875] __cleanup_mnt+0x20/0x30 [ 52.065231][ T6875] task_work_run+0x1dc/0x260 [ 52.066018][ T6875] do_notify_resume+0x174/0x1f4 [ 52.066793][ T6875] el0_svc+0xb8/0x180 [ 52.067463][ T6875] el0t_64_sync_handler+0x84/0x12c [ 52.068313][ T6875] el0t_64_sync+0x198/0x19c [ 52.069106][ T6875] irq event stamp: 506422 [ 52.069781][ T6875] hardirqs last enabled at (506421): [] exit_to_kernel_mode+0xc0/0xf0 [ 52.071452][ T6875] hardirqs last disabled at (506422): [] el1_brk64+0x1c/0x48 [ 52.072869][ T6875] softirqs last enabled at (506158): [] local_bh_enable+0x10/0x34 [ 52.074472][ T6875] softirqs last disabled at (506156): [] local_bh_disable+0x10/0x34 [ 52.076073][ T6875] ---[ end trace 0000000000000000 ]--- [ 52.093719][ T7526] loop0: detected capacity change from 0 to 1024 [ 52.114284][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 52.116224][ T6875] ------------[ cut here ]------------ [ 52.116232][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.118638][ T6875] Modules linked in: [ 52.119261][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.120956][ T6875] Tainted: [W]=WARN [ 52.121547][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.123053][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.124260][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.125327][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.126432][ T6875] sp : ffff80009e2a7100 [ 52.127140][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4edd8d0 x27: 1fffe0001c9dbb1a [ 52.128526][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 52.129895][ T6875] x23: ffff0000e4edd8a8 x22: 0000000000000000 x21: dfff800000000000 [ 52.131261][ T6875] x20: ffff0000cf07e068 x19: ffff0000cf07e000 x18: 1fffe0003379be88 [ 52.132660][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 52.133987][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 52.135232][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 52.136495][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 52.137826][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 52.139079][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.140438][ T6875] Call trace: [ 52.140943][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 52.141957][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 52.142842][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 52.143772][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.144688][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.145623][ T6875] ext4_dirty_inode+0xd4/0x104 [ 52.146319][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 52.147003][ T6875] iput+0x1cc/0x83c [ 52.147574][ T6875] dentry_unlink_inode+0x384/0x45c [ 52.148351][ T6875] __dentry_kill+0x170/0x594 [ 52.149015][ T6875] shrink_kill+0xd4/0x2cc [ 52.149598][ T6875] shrink_dentry_list+0x31c/0x6cc [ 52.150332][ T6875] shrink_dcache_parent+0xac/0x27c [ 52.151066][ T6875] do_one_tree+0x2c/0xf0 [ 52.151689][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 52.152548][ T6875] generic_shutdown_super+0x68/0x2b8 [ 52.153399][ T6875] kill_block_super+0x44/0x90 [ 52.154156][ T6875] ext4_kill_sb+0x68/0xa4 [ 52.154878][ T6875] deactivate_locked_super+0xc4/0x12c [ 52.155758][ T6875] deactivate_super+0xe0/0x100 [ 52.156492][ T6875] cleanup_mnt+0x31c/0x3ac [ 52.157188][ T6875] __cleanup_mnt+0x20/0x30 [ 52.157911][ T6875] task_work_run+0x1dc/0x260 [ 52.158617][ T6875] do_notify_resume+0x174/0x1f4 [ 52.159316][ T6875] el0_svc+0xb8/0x180 [ 52.159973][ T6875] el0t_64_sync_handler+0x84/0x12c [ 52.160748][ T6875] el0t_64_sync+0x198/0x19c [ 52.161427][ T6875] irq event stamp: 512166 [ 52.162078][ T6875] hardirqs last enabled at (512165): [] finish_lock_switch+0xb0/0x1c0 [ 52.163680][ T6875] hardirqs last disabled at (512166): [] el1_brk64+0x1c/0x48 [ 52.165151][ T6875] softirqs last enabled at (512024): [] local_bh_enable+0x10/0x34 [ 52.166667][ T6875] softirqs last disabled at (512022): [] local_bh_disable+0x10/0x34 [ 52.168155][ T6875] ---[ end trace 0000000000000000 ]--- [ 52.186653][ T7530] loop0: detected capacity change from 0 to 1024 [ 52.204559][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 52.206641][ T6875] ------------[ cut here ]------------ [ 52.206649][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.209131][ T6875] Modules linked in: [ 52.209786][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.211524][ T6875] Tainted: [W]=WARN [ 52.212143][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.213696][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.214916][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.215900][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.216926][ T6875] sp : ffff80009e2a7100 [ 52.217582][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4ec45b0 x27: 1fffe0001c9d88b6 [ 52.218903][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 52.220243][ T6875] x23: ffff0000e4ec4588 x22: 0000000000000000 x21: dfff800000000000 [ 52.221622][ T6875] x20: ffff0000daee4068 x19: ffff0000daee4000 x18: 1fffe0003379be88 [ 52.222963][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 52.224223][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 52.225491][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 52.226727][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 52.227883][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 52.229065][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.230166][ T6875] Call trace: [ 52.230622][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 52.231534][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 52.232290][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 52.233099][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.233889][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.234596][ T6875] ext4_dirty_inode+0xd4/0x104 [ 52.235261][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 52.236024][ T6875] iput+0x1cc/0x83c [ 52.236605][ T6875] dentry_unlink_inode+0x384/0x45c [ 52.237372][ T6875] __dentry_kill+0x170/0x594 [ 52.238104][ T6875] shrink_kill+0xd4/0x2cc [ 52.238731][ T6875] shrink_dentry_list+0x31c/0x6cc [ 52.239503][ T6875] shrink_dcache_parent+0xac/0x27c [ 52.240241][ T6875] do_one_tree+0x2c/0xf0 [ 52.240816][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 52.241594][ T6875] generic_shutdown_super+0x68/0x2b8 [ 52.242327][ T6875] kill_block_super+0x44/0x90 [ 52.242986][ T6875] ext4_kill_sb+0x68/0xa4 [ 52.243607][ T6875] deactivate_locked_super+0xc4/0x12c [ 52.244481][ T6875] deactivate_super+0xe0/0x100 [ 52.245184][ T6875] cleanup_mnt+0x31c/0x3ac [ 52.245853][ T6875] __cleanup_mnt+0x20/0x30 [ 52.246523][ T6875] task_work_run+0x1dc/0x260 [ 52.247242][ T6875] do_notify_resume+0x174/0x1f4 [ 52.247969][ T6875] el0_svc+0xb8/0x180 [ 52.248555][ T6875] el0t_64_sync_handler+0x84/0x12c [ 52.249290][ T6875] el0t_64_sync+0x198/0x19c [ 52.249953][ T6875] irq event stamp: 518024 [ 52.250582][ T6875] hardirqs last enabled at (518023): [] finish_lock_switch+0xb0/0x1c0 [ 52.251931][ T6875] hardirqs last disabled at (518024): [] el1_brk64+0x1c/0x48 [ 52.253174][ T6875] softirqs last enabled at (517846): [] local_bh_enable+0x10/0x34 [ 52.254557][ T6875] softirqs last disabled at (517844): [] local_bh_disable+0x10/0x34 [ 52.255869][ T6875] ---[ end trace 0000000000000000 ]--- [ 52.271285][ T7534] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 52.309569][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 52.309661][ T6875] ------------[ cut here ]------------ [ 52.309665][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.314447][ T6875] Modules linked in: [ 52.315056][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.316567][ T6875] Tainted: [W]=WARN [ 52.317174][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.318706][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.319903][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.320912][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.321908][ T6875] sp : ffff80009e2a7100 [ 52.322537][ T6875] x29: ffff80009e2a7260 x28: ffff0000e54095e0 x27: 1fffe0001ca812bc [ 52.323734][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 52.325033][ T6875] x23: ffff0000e54095b8 x22: 0000000000000000 x21: dfff800000000000 [ 52.326260][ T6875] x20: ffff0000cc32c068 x19: ffff0000cc32c000 x18: 1fffe0003379be88 [ 52.327445][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 52.328689][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 52.329894][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 52.331092][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 52.332279][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 52.333459][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.334630][ T6875] Call trace: [ 52.335110][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 52.336082][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 52.336889][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 52.337824][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.338706][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.339597][ T6875] ext4_dirty_inode+0xd4/0x104 [ 52.340309][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 52.341139][ T6875] iput+0x1cc/0x83c [ 52.341742][ T6875] dentry_unlink_inode+0x384/0x45c [ 52.342658][ T6875] __dentry_kill+0x170/0x594 [ 52.343466][ T6875] shrink_kill+0xd4/0x2cc [ 52.344160][ T6875] shrink_dentry_list+0x31c/0x6cc [ 52.344894][ T6875] shrink_dcache_parent+0xac/0x27c [ 52.345718][ T6875] do_one_tree+0x2c/0xf0 [ 52.346338][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 52.347175][ T6875] generic_shutdown_super+0x68/0x2b8 [ 52.347968][ T6875] kill_block_super+0x44/0x90 [ 52.348638][ T6875] ext4_kill_sb+0x68/0xa4 [ 52.349261][ T6875] deactivate_locked_super+0xc4/0x12c [ 52.350070][ T6875] deactivate_super+0xe0/0x100 [ 52.350767][ T6875] cleanup_mnt+0x31c/0x3ac [ 52.351493][ T6875] __cleanup_mnt+0x20/0x30 [ 52.352222][ T6875] task_work_run+0x1dc/0x260 [ 52.352934][ T6875] do_notify_resume+0x174/0x1f4 [ 52.353631][ T6875] el0_svc+0xb8/0x180 [ 52.354190][ T6875] el0t_64_sync_handler+0x84/0x12c [ 52.354979][ T6875] el0t_64_sync+0x198/0x19c [ 52.355653][ T6875] irq event stamp: 523366 [ 52.356347][ T6875] hardirqs last enabled at (523365): [] exit_to_kernel_mode+0xc0/0xf0 [ 52.357986][ T6875] hardirqs last disabled at (523366): [] el1_brk64+0x1c/0x48 [ 52.359330][ T6875] softirqs last enabled at (523214): [] local_bh_enable+0x10/0x34 [ 52.360721][ T6875] softirqs last disabled at (523212): [] local_bh_disable+0x10/0x34 [ 52.362052][ T6875] ---[ end trace 0000000000000000 ]--- [ 52.383877][ T7538] loop0: detected capacity change from 0 to 1024 [ 52.418940][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 52.420909][ T6875] ------------[ cut here ]------------ [ 52.420916][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.423241][ T6875] Modules linked in: [ 52.423844][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.425547][ T6875] Tainted: [W]=WARN [ 52.426144][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.427604][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.428863][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.429887][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.430932][ T6875] sp : ffff80009e2a7100 [ 52.431557][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5473290 x27: 1fffe0001ca8e652 [ 52.432763][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 52.433962][ T6875] x23: ffff0000e5473268 x22: 0000000000000000 x21: dfff800000000000 [ 52.435197][ T6875] x20: ffff0000d28da068 x19: ffff0000d28da000 x18: 1fffe000337a0688 [ 52.436496][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 52.437757][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 52.439050][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 52.440237][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 52.441446][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 52.442695][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.443886][ T6875] Call trace: [ 52.444375][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 52.445493][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 52.446380][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 52.447325][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.448244][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.449112][ T6875] ext4_dirty_inode+0xd4/0x104 [ 52.449858][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 52.450791][ T6875] iput+0x1cc/0x83c [ 52.451437][ T6875] dentry_unlink_inode+0x384/0x45c [ 52.452252][ T6875] __dentry_kill+0x170/0x594 [ 52.452980][ T6875] shrink_kill+0xd4/0x2cc [ 52.453623][ T6875] shrink_dentry_list+0x31c/0x6cc [ 52.454401][ T6875] shrink_dcache_parent+0xac/0x27c [ 52.455185][ T6875] do_one_tree+0x2c/0xf0 [ 52.455790][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 52.456575][ T6875] generic_shutdown_super+0x68/0x2b8 [ 52.457330][ T6875] kill_block_super+0x44/0x90 [ 52.458038][ T6875] ext4_kill_sb+0x68/0xa4 [ 52.458712][ T6875] deactivate_locked_super+0xc4/0x12c [ 52.459479][ T6875] deactivate_super+0xe0/0x100 [ 52.460123][ T6875] cleanup_mnt+0x31c/0x3ac [ 52.460838][ T6875] __cleanup_mnt+0x20/0x30 [ 52.461511][ T6875] task_work_run+0x1dc/0x260 [ 52.462263][ T6875] do_notify_resume+0x174/0x1f4 [ 52.462947][ T6875] el0_svc+0xb8/0x180 [ 52.463595][ T6875] el0t_64_sync_handler+0x84/0x12c [ 52.464483][ T6875] el0t_64_sync+0x198/0x19c [ 52.465249][ T6875] irq event stamp: 529010 [ 52.465950][ T6875] hardirqs last enabled at (529009): [] finish_lock_switch+0xb0/0x1c0 [ 52.467417][ T6875] hardirqs last disabled at (529010): [] el1_brk64+0x1c/0x48 [ 52.468654][ T6875] softirqs last enabled at (528694): [] local_bh_enable+0x10/0x34 [ 52.469993][ T6875] softirqs last disabled at (528692): [] local_bh_disable+0x10/0x34 [ 52.471380][ T6875] ---[ end trace 0000000000000000 ]--- [ 52.489728][ T7542] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 52.500847][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 52.500939][ T6875] ------------[ cut here ]------------ [ 52.500943][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.505822][ T6875] Modules linked in: [ 52.506483][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.508075][ T6875] Tainted: [W]=WARN [ 52.508640][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.510213][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.511519][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.512608][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.513574][ T6875] sp : ffff80009e2a7100 [ 52.514225][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4e98c50 x27: 1fffe0001c9d318a [ 52.515484][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 52.516642][ T6875] x23: ffff0000e4e98c28 x22: 0000000000000000 x21: dfff800000000000 [ 52.517803][ T6875] x20: ffff0000dcd2e068 x19: ffff0000dcd2e000 x18: 1fffe0003379be88 [ 52.518997][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 52.520169][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 52.521408][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 52.522566][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 52.523715][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 52.524890][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.526027][ T6875] Call trace: [ 52.526484][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 52.527419][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 52.528189][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 52.529138][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.530076][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.530878][ T6875] ext4_dirty_inode+0xd4/0x104 [ 52.531589][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 52.532379][ T6875] iput+0x1cc/0x83c [ 52.533002][ T6875] dentry_unlink_inode+0x384/0x45c [ 52.533758][ T6875] __dentry_kill+0x170/0x594 [ 52.534488][ T6875] shrink_kill+0xd4/0x2cc [ 52.535198][ T6875] shrink_dentry_list+0x31c/0x6cc [ 52.535981][ T6875] shrink_dcache_parent+0xac/0x27c [ 52.536768][ T6875] do_one_tree+0x2c/0xf0 [ 52.537381][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 52.538225][ T6875] generic_shutdown_super+0x68/0x2b8 [ 52.539022][ T6875] kill_block_super+0x44/0x90 [ 52.539762][ T6875] ext4_kill_sb+0x68/0xa4 [ 52.540485][ T6875] deactivate_locked_super+0xc4/0x12c [ 52.541425][ T6875] deactivate_super+0xe0/0x100 [ 52.542203][ T6875] cleanup_mnt+0x31c/0x3ac [ 52.542958][ T6875] __cleanup_mnt+0x20/0x30 [ 52.543649][ T6875] task_work_run+0x1dc/0x260 [ 52.544402][ T6875] do_notify_resume+0x174/0x1f4 [ 52.545176][ T6875] el0_svc+0xb8/0x180 [ 52.545895][ T6875] el0t_64_sync_handler+0x84/0x12c [ 52.546665][ T6875] el0t_64_sync+0x198/0x19c [ 52.547408][ T6875] irq event stamp: 533516 [ 52.548077][ T6875] hardirqs last enabled at (533515): [] exit_to_kernel_mode+0xc0/0xf0 [ 52.549711][ T6875] hardirqs last disabled at (533516): [] el1_brk64+0x1c/0x48 [ 52.551141][ T6875] softirqs last enabled at (533250): [] local_bh_enable+0x10/0x34 [ 52.552608][ T6875] softirqs last disabled at (533248): [] local_bh_disable+0x10/0x34 [ 52.554005][ T6875] ---[ end trace 0000000000000000 ]--- [ 52.567677][ T7546] loop0: detected capacity change from 0 to 1024 [ 52.584067][ T6562] Bluetooth: hci0: command tx timeout [ ** replaying previous printk message ** [ 52.597852][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 52.597941][ T6875] ------------[ cut here ]------------ [ 52.597945][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.602572][ T6875] Modules linked in: [ 52.603173][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.604770][ T6875] Tainted: [W]=WARN [ 52.605350][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.606908][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.608090][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.609139][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.610117][ T6875] sp : ffff80009e2a7100 [ 52.610798][ T6875] x29: ffff80009e2a7260 x28: ffff0000dd914f40 x27: 1fffe0001bb229e8 [ 52.612037][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 52.613249][ T6875] x23: ffff0000dd914f18 x22: 0000000000000000 x21: dfff800000000000 [ 52.614523][ T6875] x20: ffff0000cef60068 x19: ffff0000cef60000 x18: 1fffe0003379be88 [ 52.615763][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 52.616996][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 52.618258][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 52.619486][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 52.620723][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 52.622002][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.623271][ T6875] Call trace: [ 52.623785][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 52.624802][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 52.625680][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 52.626598][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.627497][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.628368][ T6875] ext4_dirty_inode+0xd4/0x104 [ 52.629160][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 52.630017][ T6875] iput+0x1cc/0x83c [ 52.630667][ T6875] dentry_unlink_inode+0x384/0x45c [ 52.631493][ T6875] __dentry_kill+0x170/0x594 [ 52.632263][ T6875] shrink_kill+0xd4/0x2cc [ 52.632950][ T6875] shrink_dentry_list+0x31c/0x6cc [ 52.633793][ T6875] shrink_dcache_parent+0xac/0x27c [ 52.634664][ T6875] do_one_tree+0x2c/0xf0 [ 52.635380][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 52.636277][ T6875] generic_shutdown_super+0x68/0x2b8 [ 52.637166][ T6875] kill_block_super+0x44/0x90 [ 52.637921][ T6875] ext4_kill_sb+0x68/0xa4 [ 52.638692][ T6875] deactivate_locked_super+0xc4/0x12c [ 52.639554][ T6875] deactivate_super+0xe0/0x100 [ 52.640336][ T6875] cleanup_mnt+0x31c/0x3ac [ 52.641040][ T6875] __cleanup_mnt+0x20/0x30 [ 52.641774][ T6875] task_work_run+0x1dc/0x260 [ 52.642573][ T6875] do_notify_resume+0x174/0x1f4 [ 52.643383][ T6875] el0_svc+0xb8/0x180 [ 52.644030][ T6875] el0t_64_sync_handler+0x84/0x12c [ 52.644854][ T6875] el0t_64_sync+0x198/0x19c [ 52.645560][ T6875] irq event stamp: 538614 [ 52.646251][ T6875] hardirqs last enabled at (538613): [] exit_to_kernel_mode+0xc0/0xf0 [ 52.647724][ T6875] hardirqs last disabled at (538614): [] el1_brk64+0x1c/0x48 [ 52.649021][ T6875] softirqs last enabled at (538426): [] local_bh_enable+0x10/0x34 [ 52.650475][ T6875] softirqs last disabled at (538424): [] local_bh_disable+0x10/0x34 [ 52.651944][ T6875] ---[ end trace 0000000000000000 ]--- [ 52.666948][ T7550] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 52.695021][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 52.695111][ T6875] ------------[ cut here ]------------ [ 52.695114][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.699832][ T6875] Modules linked in: [ 52.700495][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.702225][ T6875] Tainted: [W]=WARN [ 52.702831][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.704568][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.705861][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.706978][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.708033][ T6875] sp : ffff80009e2a7100 [ 52.708734][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4e882c0 x27: 1fffe0001c9d1058 [ 52.710039][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 52.711367][ T6875] x23: ffff0000e4e88298 x22: 0000000000000000 x21: dfff800000000000 [ 52.712700][ T6875] x20: ffff0000cbc64068 x19: ffff0000cbc64000 x18: 1fffe0003379be88 [ 52.714093][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 52.715415][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 52.716808][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 52.718153][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 52.719514][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 52.720878][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.722263][ T6875] Call trace: [ 52.722789][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 52.723874][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 52.724772][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 52.725766][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.726622][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.727495][ T6875] ext4_dirty_inode+0xd4/0x104 [ 52.728309][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 52.729155][ T6875] iput+0x1cc/0x83c [ 52.729791][ T6875] dentry_unlink_inode+0x384/0x45c [ 52.730670][ T6875] __dentry_kill+0x170/0x594 [ 52.731457][ T6875] shrink_kill+0xd4/0x2cc [ 52.732220][ T6875] shrink_dentry_list+0x31c/0x6cc [ 52.733073][ T6875] shrink_dcache_parent+0xac/0x27c [ 52.733911][ T6875] do_one_tree+0x2c/0xf0 [ 52.734622][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 52.735536][ T6875] generic_shutdown_super+0x68/0x2b8 [ 52.736416][ T6875] kill_block_super+0x44/0x90 [ 52.737213][ T6875] ext4_kill_sb+0x68/0xa4 [ 52.737952][ T6875] deactivate_locked_super+0xc4/0x12c [ 52.738815][ T6875] deactivate_super+0xe0/0x100 [ 52.739636][ T6875] cleanup_mnt+0x31c/0x3ac [ 52.740413][ T6875] __cleanup_mnt+0x20/0x30 [ 52.741188][ T6875] task_work_run+0x1dc/0x260 [ 52.741970][ T6875] do_notify_resume+0x174/0x1f4 [ 52.742774][ T6875] el0_svc+0xb8/0x180 [ 52.743391][ T6875] el0t_64_sync_handler+0x84/0x12c [ 52.744188][ T6875] el0t_64_sync+0x198/0x19c [ 52.744908][ T6875] irq event stamp: 543218 [ 52.745614][ T6875] hardirqs last enabled at (543217): [] exit_to_kernel_mode+0xc0/0xf0 [ 52.747167][ T6875] hardirqs last disabled at (543218): [] el1_brk64+0x1c/0x48 [ 52.748554][ T6875] softirqs last enabled at (542924): [] local_bh_enable+0x10/0x34 [ 52.750169][ T6875] softirqs last disabled at (542922): [] local_bh_disable+0x10/0x34 [ 52.751758][ T6875] ---[ end trace 0000000000000000 ]--- [ 52.765605][ T7554] loop0: detected capacity change from 0 to 1024 [ 52.778917][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 52.779006][ T6875] ------------[ cut here ]------------ [ 52.779012][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.783182][ T6875] Modules linked in: [ 52.783815][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.785468][ T6875] Tainted: [W]=WARN [ 52.786042][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.787461][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.788598][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.789563][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.790476][ T6875] sp : ffff80009e2a7100 [ 52.791147][ T6875] x29: ffff80009e2a7260 x28: ffff0000e547ebf0 x27: 1fffe0001ca8fd7e [ 52.792470][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 52.793719][ T6875] x23: ffff0000e547ebc8 x22: 0000000000000000 x21: dfff800000000000 [ 52.794977][ T6875] x20: ffff0000e0a22068 x19: ffff0000e0a22000 x18: 1fffe0003379be88 [ 52.796349][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 52.797646][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 52.798863][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 52.800083][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 52.801294][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 52.802591][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.803829][ T6875] Call trace: [ 52.804320][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 52.805250][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 52.806012][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 52.806809][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.807621][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.808407][ T6875] ext4_dirty_inode+0xd4/0x104 [ 52.809092][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 52.809802][ T6875] iput+0x1cc/0x83c [ 52.810336][ T6875] dentry_unlink_inode+0x384/0x45c [ 52.811079][ T6875] __dentry_kill+0x170/0x594 [ 52.811849][ T6875] shrink_kill+0xd4/0x2cc [ 52.812552][ T6875] shrink_dentry_list+0x31c/0x6cc [ 52.813362][ T6875] shrink_dcache_parent+0xac/0x27c [ 52.814178][ T6875] do_one_tree+0x2c/0xf0 [ 52.814842][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 52.815650][ T6875] generic_shutdown_super+0x68/0x2b8 [ 52.816426][ T6875] kill_block_super+0x44/0x90 [ 52.817105][ T6875] ext4_kill_sb+0x68/0xa4 [ 52.817750][ T6875] deactivate_locked_super+0xc4/0x12c [ 52.818534][ T6875] deactivate_super+0xe0/0x100 [ 52.819271][ T6875] cleanup_mnt+0x31c/0x3ac [ 52.819909][ T6875] __cleanup_mnt+0x20/0x30 [ 52.820602][ T6875] task_work_run+0x1dc/0x260 [ 52.821337][ T6875] do_notify_resume+0x174/0x1f4 [ 52.822118][ T6875] el0_svc+0xb8/0x180 [ 52.822775][ T6875] el0t_64_sync_handler+0x84/0x12c [ 52.823637][ T6875] el0t_64_sync+0x198/0x19c [ 52.824398][ T6875] irq event stamp: 547862 [ 52.825107][ T6875] hardirqs last enabled at (547861): [] exit_to_kernel_mode+0xc0/0xf0 [ 52.826804][ T6875] hardirqs last disabled at (547862): [] el1_brk64+0x1c/0x48 [ 52.828202][ T6875] softirqs last enabled at (547754): [] local_bh_enable+0x10/0x34 [ 52.829826][ T6875] softirqs last disabled at (547752): [] local_bh_disable+0x10/0x34 [ 52.831374][ T6875] ---[ end trace 0000000000000000 ]--- [ 52.852122][ T7558] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 52.878204][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 52.878299][ T6875] ------------[ cut here ]------------ [ 52.878303][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.882439][ T6875] Modules linked in: [ 52.883021][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.884596][ T6875] Tainted: [W]=WARN [ 52.885180][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.886598][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.887692][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.888591][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.889479][ T6875] sp : ffff80009e2a7100 [ 52.890055][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5478c50 x27: 1fffe0001ca8f18a [ 52.891180][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 52.892333][ T6875] x23: ffff0000e5478c28 x22: 0000000000000000 x21: dfff800000000000 [ 52.893534][ T6875] x20: ffff0000d3b24068 x19: ffff0000d3b24000 x18: 1fffe0003379be88 [ 52.894801][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 52.896018][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 52.897413][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 52.898760][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 52.900138][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 52.901350][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 52.902498][ T6875] Call trace: [ 52.903012][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 52.904020][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 52.904830][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 52.905720][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 52.906649][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 52.907569][ T6875] ext4_dirty_inode+0xd4/0x104 [ 52.908336][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 52.909145][ T6875] iput+0x1cc/0x83c [ 52.909729][ T6875] dentry_unlink_inode+0x384/0x45c [ 52.910541][ T6875] __dentry_kill+0x170/0x594 [ 52.911354][ T6875] shrink_kill+0xd4/0x2cc [ 52.912063][ T6875] shrink_dentry_list+0x31c/0x6cc [ 52.912934][ T6875] shrink_dcache_parent+0xac/0x27c [ 52.913726][ T6875] do_one_tree+0x2c/0xf0 [ 52.914457][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 52.915417][ T6875] generic_shutdown_super+0x68/0x2b8 [ 52.916295][ T6875] kill_block_super+0x44/0x90 [ 52.917037][ T6875] ext4_kill_sb+0x68/0xa4 [ 52.917758][ T6875] deactivate_locked_super+0xc4/0x12c [ 52.918668][ T6875] deactivate_super+0xe0/0x100 [ 52.919436][ T6875] cleanup_mnt+0x31c/0x3ac [ 52.920165][ T6875] __cleanup_mnt+0x20/0x30 [ 52.920906][ T6875] task_work_run+0x1dc/0x260 [ 52.921626][ T6875] do_notify_resume+0x174/0x1f4 [ 52.922351][ T6875] el0_svc+0xb8/0x180 [ 52.923029][ T6875] el0t_64_sync_handler+0x84/0x12c [ 52.923856][ T6875] el0t_64_sync+0x198/0x19c [ 52.924621][ T6875] irq event stamp: 553256 [ 52.925327][ T6875] hardirqs last enabled at (553255): [] exit_to_kernel_mode+0xc0/0xf0 [ 52.926949][ T6875] hardirqs last disabled at (553256): [] el1_brk64+0x1c/0x48 [ 52.928476][ T6875] softirqs last enabled at (553084): [] local_bh_enable+0x10/0x34 [ 52.930110][ T6875] softirqs last disabled at (553082): [] local_bh_disable+0x10/0x34 [ 52.931728][ T6875] ---[ end trace 0000000000000000 ]--- [ 52.948141][ T7562] loop0: detected capacity change from 0 to 1024 [ 52.974541][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 52.974636][ T6875] ------------[ cut here ]------------ [ 52.974641][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.979101][ T6875] Modules linked in: [ 52.979755][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 52.981526][ T6875] Tainted: [W]=WARN [ 52.982099][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 52.983688][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 52.984955][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.986016][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 52.987021][ T6875] sp : ffff80009e2a7100 [ 52.987657][ T6875] x29: ffff80009e2a7260 x28: ffff0000ddbbbc20 x27: 1fffe0001bb77784 [ 52.988814][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 52.990043][ T6875] x23: ffff0000ddbbbbf8 x22: 0000000000000000 x21: dfff800000000000 [ 52.991373][ T6875] x20: ffff0000d4f16068 x19: ffff0000d4f16000 x18: 1fffe0003379be88 [ 52.992580][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 52.993896][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 52.995220][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 52.996463][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 52.997742][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 52.998983][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.000239][ T6875] Call trace: [ 53.000735][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 53.001716][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 53.002519][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 53.003399][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.004336][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.005147][ T6875] ext4_dirty_inode+0xd4/0x104 [ 53.005865][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 53.006652][ T6875] iput+0x1cc/0x83c [ 53.007266][ T6875] dentry_unlink_inode+0x384/0x45c [ 53.008042][ T6875] __dentry_kill+0x170/0x594 [ 53.008744][ T6875] shrink_kill+0xd4/0x2cc [ 53.009435][ T6875] shrink_dentry_list+0x31c/0x6cc [ 53.010252][ T6875] shrink_dcache_parent+0xac/0x27c [ 53.011120][ T6875] do_one_tree+0x2c/0xf0 [ 53.011805][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 53.012758][ T6875] generic_shutdown_super+0x68/0x2b8 [ 53.013655][ T6875] kill_block_super+0x44/0x90 [ 53.014461][ T6875] ext4_kill_sb+0x68/0xa4 [ 53.015193][ T6875] deactivate_locked_super+0xc4/0x12c [ 53.016060][ T6875] deactivate_super+0xe0/0x100 [ 53.016861][ T6875] cleanup_mnt+0x31c/0x3ac [ 53.017587][ T6875] __cleanup_mnt+0x20/0x30 [ 53.018309][ T6875] task_work_run+0x1dc/0x260 [ 53.019095][ T6875] do_notify_resume+0x174/0x1f4 [ 53.019899][ T6875] el0_svc+0xb8/0x180 [ 53.020561][ T6875] el0t_64_sync_handler+0x84/0x12c [ 53.021346][ T6875] el0t_64_sync+0x198/0x19c [ 53.022079][ T6875] irq event stamp: 558848 [ 53.022794][ T6875] hardirqs last enabled at (558847): [] exit_to_kernel_mode+0xc0/0xf0 [ 53.024301][ T6875] hardirqs last disabled at (558848): [] el1_brk64+0x1c/0x48 [ 53.025752][ T6875] softirqs last enabled at (558512): [] local_bh_enable+0x10/0x34 [ 53.027365][ T6875] softirqs last disabled at (558510): [] local_bh_disable+0x10/0x34 [ 53.028847][ T6875] ---[ end trace 0000000000000000 ]--- [ 53.049675][ T7566] loop0: detected capacity change from 0 to 1024 [ 53.065331][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 53.067395][ T6875] ------------[ cut here ]------------ [ 53.067402][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.069746][ T6875] Modules linked in: [ 53.070336][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.071855][ T6875] Tainted: [W]=WARN [ 53.072398][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.073892][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.075090][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.076092][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.077054][ T6875] sp : ffff80009e2a7100 [ 53.077720][ T6875] x29: ffff80009e2a7260 x28: ffff0000ddb34f40 x27: 1fffe0001bb669e8 [ 53.078903][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 53.080074][ T6875] x23: ffff0000ddb34f18 x22: 0000000000000000 x21: dfff800000000000 [ 53.081294][ T6875] x20: ffff0000d5a34068 x19: ffff0000d5a34000 x18: 1fffe000337a0688 [ 53.082446][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 53.083560][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 53.084713][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 53.085849][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 53.086990][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 53.088112][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.089224][ T6875] Call trace: [ 53.089674][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 53.090716][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 53.091509][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 53.092310][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.093225][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.094085][ T6875] ext4_dirty_inode+0xd4/0x104 [ 53.094759][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 53.095465][ T6875] iput+0x1cc/0x83c [ 53.095996][ T6875] dentry_unlink_inode+0x384/0x45c [ 53.096787][ T6875] __dentry_kill+0x170/0x594 [ 53.097466][ T6875] shrink_kill+0xd4/0x2cc [ 53.098127][ T6875] shrink_dentry_list+0x31c/0x6cc [ 53.098886][ T6875] shrink_dcache_parent+0xac/0x27c [ 53.099609][ T6875] do_one_tree+0x2c/0xf0 [ 53.100287][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 53.101092][ T6875] generic_shutdown_super+0x68/0x2b8 [ 53.101892][ T6875] kill_block_super+0x44/0x90 [ 53.102593][ T6875] ext4_kill_sb+0x68/0xa4 [ 53.103244][ T6875] deactivate_locked_super+0xc4/0x12c [ 53.104043][ T6875] deactivate_super+0xe0/0x100 [ 53.104824][ T6875] cleanup_mnt+0x31c/0x3ac [ 53.105609][ T6875] __cleanup_mnt+0x20/0x30 [ 53.106274][ T6875] task_work_run+0x1dc/0x260 [ 53.107008][ T6875] do_notify_resume+0x174/0x1f4 [ 53.107748][ T6875] el0_svc+0xb8/0x180 [ 53.108426][ T6875] el0t_64_sync_handler+0x84/0x12c [ 53.109282][ T6875] el0t_64_sync+0x198/0x19c [ 53.110045][ T6875] irq event stamp: 563918 [ 53.110777][ T6875] hardirqs last enabled at (563917): [] finish_lock_switch+0xb0/0x1c0 [ 53.112360][ T6875] hardirqs last disabled at (563918): [] el1_brk64+0x1c/0x48 [ 53.113744][ T6875] softirqs last enabled at (563576): [] local_bh_enable+0x10/0x34 [ 53.115247][ T6875] softirqs last disabled at (563574): [] local_bh_disable+0x10/0x34 [ 53.116701][ T6875] ---[ end trace 0000000000000000 ]--- [ 53.132928][ T7570] loop0: detected capacity change from 0 to 1024 [ 53.158142][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 53.159988][ T6875] ------------[ cut here ]------------ [ 53.159995][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.162190][ T6875] Modules linked in: [ 53.162733][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.164256][ T6875] Tainted: [W]=WARN [ 53.164800][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.166233][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.167322][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.168211][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.169128][ T6875] sp : ffff80009e2a7100 [ 53.169747][ T6875] x29: ffff80009e2a7260 x28: ffff0000e541d8d0 x27: 1fffe0001ca83b1a [ 53.170908][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 53.172137][ T6875] x23: ffff0000e541d8a8 x22: 0000000000000000 x21: dfff800000000000 [ 53.173318][ T6875] x20: ffff0000d3470068 x19: ffff0000d3470000 x18: 1fffe000337a0688 [ 53.174531][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 53.175773][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 53.177037][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 53.178245][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 53.179486][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 53.180724][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.181945][ T6875] Call trace: [ 53.182427][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 53.183365][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 53.184139][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 53.184985][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.185834][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.186598][ T6875] ext4_dirty_inode+0xd4/0x104 [ 53.187275][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 53.188016][ T6875] iput+0x1cc/0x83c [ 53.188681][ T6875] dentry_unlink_inode+0x384/0x45c [ 53.189602][ T6875] __dentry_kill+0x170/0x594 [ 53.190329][ T6875] shrink_kill+0xd4/0x2cc [ 53.191024][ T6875] shrink_dentry_list+0x31c/0x6cc [ 53.191817][ T6875] shrink_dcache_parent+0xac/0x27c [ 53.192545][ T6875] do_one_tree+0x2c/0xf0 [ 53.193228][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 53.194186][ T6875] generic_shutdown_super+0x68/0x2b8 [ 53.195064][ T6875] kill_block_super+0x44/0x90 [ 53.195812][ T6875] ext4_kill_sb+0x68/0xa4 [ 53.196504][ T6875] deactivate_locked_super+0xc4/0x12c [ 53.197396][ T6875] deactivate_super+0xe0/0x100 [ 53.198175][ T6875] cleanup_mnt+0x31c/0x3ac [ 53.198877][ T6875] __cleanup_mnt+0x20/0x30 [ 53.199563][ T6875] task_work_run+0x1dc/0x260 [ 53.200339][ T6875] do_notify_resume+0x174/0x1f4 [ 53.201200][ T6875] el0_svc+0xb8/0x180 [ 53.201819][ T6875] el0t_64_sync_handler+0x84/0x12c [ 53.202604][ T6875] el0t_64_sync+0x198/0x19c [ 53.203295][ T6875] irq event stamp: 569124 [ 53.203972][ T6875] hardirqs last enabled at (569123): [] finish_lock_switch+0xb0/0x1c0 [ 53.205320][ T6875] hardirqs last disabled at (569124): [] el1_brk64+0x1c/0x48 [ 53.206601][ T6875] softirqs last enabled at (569032): [] local_bh_enable+0x10/0x34 [ 53.208087][ T6875] softirqs last disabled at (569030): [] local_bh_disable+0x10/0x34 [ 53.209622][ T6875] ---[ end trace 0000000000000000 ]--- [ 53.236432][ T7574] loop0: detected capacity change from 0 to 1024 [ 53.249914][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 53.251974][ T6875] ------------[ cut here ]------------ [ 53.251981][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.254419][ T6875] Modules linked in: [ 53.255040][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.256798][ T6875] Tainted: [W]=WARN [ 53.257376][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.259094][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.260317][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.261349][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.262273][ T6875] sp : ffff80009e2a7100 [ 53.262863][ T6875] x29: ffff80009e2a7260 x28: ffff0000e541b290 x27: 1fffe0001ca83652 [ 53.264006][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 53.265158][ T6875] x23: ffff0000e541b268 x22: 0000000000000000 x21: dfff800000000000 [ 53.266292][ T6875] x20: ffff0000cd0ba068 x19: ffff0000cd0ba000 x18: 1fffe000337a0688 [ 53.267433][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 53.268559][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 53.269673][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 53.270805][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 53.271911][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 53.273027][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.274144][ T6875] Call trace: [ 53.274593][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 53.275481][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 53.276210][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 53.277034][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.277839][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.278628][ T6875] ext4_dirty_inode+0xd4/0x104 [ 53.279322][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 53.280036][ T6875] iput+0x1cc/0x83c [ 53.280585][ T6875] dentry_unlink_inode+0x384/0x45c [ 53.281248][ T6875] __dentry_kill+0x170/0x594 [ 53.281901][ T6875] shrink_kill+0xd4/0x2cc [ 53.282556][ T6875] shrink_dentry_list+0x31c/0x6cc [ 53.283371][ T6875] shrink_dcache_parent+0xac/0x27c [ 53.284197][ T6875] do_one_tree+0x2c/0xf0 [ 53.284928][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 53.285867][ T6875] generic_shutdown_super+0x68/0x2b8 [ 53.286772][ T6875] kill_block_super+0x44/0x90 [ 53.287484][ T6875] ext4_kill_sb+0x68/0xa4 [ 53.288191][ T6875] deactivate_locked_super+0xc4/0x12c [ 53.289059][ T6875] deactivate_super+0xe0/0x100 [ 53.289753][ T6875] cleanup_mnt+0x31c/0x3ac [ 53.290342][ T6875] __cleanup_mnt+0x20/0x30 [ 53.290966][ T6875] task_work_run+0x1dc/0x260 [ 53.291622][ T6875] do_notify_resume+0x174/0x1f4 [ 53.292333][ T6875] el0_svc+0xb8/0x180 [ 53.292897][ T6875] el0t_64_sync_handler+0x84/0x12c [ 53.293675][ T6875] el0t_64_sync+0x198/0x19c [ 53.294418][ T6875] irq event stamp: 573946 [ 53.295116][ T6875] hardirqs last enabled at (573945): [] finish_lock_switch+0xb0/0x1c0 [ 53.296623][ T6875] hardirqs last disabled at (573946): [] el1_brk64+0x1c/0x48 [ 53.297953][ T6875] softirqs last enabled at (573856): [] local_bh_enable+0x10/0x34 [ 53.299368][ T6875] softirqs last disabled at (573854): [] local_bh_disable+0x10/0x34 [ 53.300808][ T6875] ---[ end trace 0000000000000000 ]--- [ 53.317366][ T7578] loop0: detected capacity change from 0 to 1024 [ 53.336662][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 53.336751][ T6875] ------------[ cut here ]------------ [ 53.336756][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.340734][ T6875] Modules linked in: [ 53.341347][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.343096][ T6875] Tainted: [W]=WARN [ 53.343753][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.345460][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.346747][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.347767][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.348822][ T6875] sp : ffff80009e2a7100 [ 53.349474][ T6875] x29: ffff80009e2a7260 x28: ffff0000ddb30c50 x27: 1fffe0001bb6618a [ 53.350706][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 53.352076][ T6875] x23: ffff0000ddb30c28 x22: 0000000000000000 x21: dfff800000000000 [ 53.353400][ T6875] x20: ffff0000d62cc068 x19: ffff0000d62cc000 x18: 1fffe0003379be88 [ 53.354768][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 53.356045][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 53.357326][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 53.358681][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 53.360057][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 53.361376][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.362680][ T6875] Call trace: [ 53.363159][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 53.364209][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 53.365105][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 53.366084][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.367039][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.367865][ T6875] ext4_dirty_inode+0xd4/0x104 [ 53.368596][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 53.369312][ T6875] iput+0x1cc/0x83c [ 53.369879][ T6875] dentry_unlink_inode+0x384/0x45c [ 53.370647][ T6875] __dentry_kill+0x170/0x594 [ 53.371334][ T6875] shrink_kill+0xd4/0x2cc [ 53.372057][ T6875] shrink_dentry_list+0x31c/0x6cc [ 53.372912][ T6875] shrink_dcache_parent+0xac/0x27c [ 53.373766][ T6875] do_one_tree+0x2c/0xf0 [ 53.374455][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 53.375264][ T6875] generic_shutdown_super+0x68/0x2b8 [ 53.376146][ T6875] kill_block_super+0x44/0x90 [ 53.376980][ T6875] ext4_kill_sb+0x68/0xa4 [ 53.377787][ T6875] deactivate_locked_super+0xc4/0x12c [ 53.378763][ T6875] deactivate_super+0xe0/0x100 [ 53.379502][ T6875] cleanup_mnt+0x31c/0x3ac [ 53.380211][ T6875] __cleanup_mnt+0x20/0x30 [ 53.380901][ T6875] task_work_run+0x1dc/0x260 [ 53.381628][ T6875] do_notify_resume+0x174/0x1f4 [ 53.382447][ T6875] el0_svc+0xb8/0x180 [ 53.383118][ T6875] el0t_64_sync_handler+0x84/0x12c [ 53.383990][ T6875] el0t_64_sync+0x198/0x19c [ 53.384761][ T6875] irq event stamp: 578622 [ 53.385464][ T6875] hardirqs last enabled at (578621): [] exit_to_kernel_mode+0xc0/0xf0 [ 53.387196][ T6875] hardirqs last disabled at (578622): [] el1_brk64+0x1c/0x48 [ 53.388672][ T6875] softirqs last enabled at (578442): [] local_bh_enable+0x10/0x34 [ 53.390200][ T6875] softirqs last disabled at (578440): [] local_bh_disable+0x10/0x34 [ 53.391739][ T6875] ---[ end trace 0000000000000000 ]--- [ 53.408394][ T7582] loop0: detected capacity change from 0 to 1024 [ 53.431565][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 53.433542][ T6875] ------------[ cut here ]------------ [ 53.433551][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.435945][ T6875] Modules linked in: [ 53.436522][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.438072][ T6875] Tainted: [W]=WARN [ 53.438626][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.440132][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.441308][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.442241][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.443145][ T6875] sp : ffff80009e2a7100 [ 53.443733][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5413c20 x27: 1fffe0001ca82784 [ 53.444849][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 53.445973][ T6875] x23: ffff0000e5413bf8 x22: 0000000000000000 x21: dfff800000000000 [ 53.447077][ T6875] x20: ffff0000cd7dc068 x19: ffff0000cd7dc000 x18: 1fffe000337a0688 [ 53.448204][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 53.449318][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 53.450430][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 53.451558][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 53.452692][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 53.453804][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.454929][ T6875] Call trace: [ 53.455385][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 53.456301][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 53.457098][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 53.457955][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.458798][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.459603][ T6875] ext4_dirty_inode+0xd4/0x104 [ 53.460329][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 53.461208][ T6875] iput+0x1cc/0x83c [ 53.461768][ T6875] dentry_unlink_inode+0x384/0x45c [ 53.462534][ T6875] __dentry_kill+0x170/0x594 [ 53.463268][ T6875] shrink_kill+0xd4/0x2cc [ 53.463928][ T6875] shrink_dentry_list+0x31c/0x6cc [ 53.464768][ T6875] shrink_dcache_parent+0xac/0x27c [ 53.465608][ T6875] do_one_tree+0x2c/0xf0 [ 53.466228][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 53.467042][ T6875] generic_shutdown_super+0x68/0x2b8 [ 53.467775][ T6875] kill_block_super+0x44/0x90 [ 53.468489][ T6875] ext4_kill_sb+0x68/0xa4 [ 53.469149][ T6875] deactivate_locked_super+0xc4/0x12c [ 53.469969][ T6875] deactivate_super+0xe0/0x100 [ 53.470663][ T6875] cleanup_mnt+0x31c/0x3ac [ 53.471347][ T6875] __cleanup_mnt+0x20/0x30 [ 53.472003][ T6875] task_work_run+0x1dc/0x260 [ 53.472641][ T6875] do_notify_resume+0x174/0x1f4 [ 53.473383][ T6875] el0_svc+0xb8/0x180 [ 53.474013][ T6875] el0t_64_sync_handler+0x84/0x12c [ 53.474820][ T6875] el0t_64_sync+0x198/0x19c [ 53.475521][ T6875] irq event stamp: 583840 [ 53.476202][ T6875] hardirqs last enabled at (583839): [] finish_lock_switch+0xb0/0x1c0 [ 53.477703][ T6875] hardirqs last disabled at (583840): [] el1_brk64+0x1c/0x48 [ 53.479060][ T6875] softirqs last enabled at (583750): [] local_bh_enable+0x10/0x34 [ 53.480643][ T6875] softirqs last disabled at (583748): [] local_bh_disable+0x10/0x34 [ 53.482238][ T6875] ---[ end trace 0000000000000000 ]--- [ 53.503245][ T7586] loop0: detected capacity change from 0 to 1024 [ 53.521617][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 53.524236][ T6875] ------------[ cut here ]------------ [ 53.524244][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.526615][ T6875] Modules linked in: [ 53.527177][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.528689][ T6875] Tainted: [W]=WARN [ 53.529212][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.530621][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.531732][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.532605][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.533499][ T6875] sp : ffff80009e2a7100 [ 53.534094][ T6875] x29: ffff80009e2a7260 x28: ffff0000e51a82c0 x27: 1fffe0001ca35058 [ 53.535253][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 53.536382][ T6875] x23: ffff0000e51a8298 x22: 0000000000000000 x21: dfff800000000000 [ 53.537514][ T6875] x20: ffff0000d1a8a068 x19: ffff0000d1a8a000 x18: 1fffe000337a0688 [ 53.538711][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 53.539975][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 53.541211][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 53.542474][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 53.543637][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 53.544907][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.546207][ T6875] Call trace: [ 53.546724][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 53.547758][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 53.548530][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 53.549349][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.550175][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.550932][ T6875] ext4_dirty_inode+0xd4/0x104 [ 53.551616][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 53.552339][ T6875] iput+0x1cc/0x83c [ 53.552880][ T6875] dentry_unlink_inode+0x384/0x45c [ 53.553694][ T6875] __dentry_kill+0x170/0x594 [ 53.554474][ T6875] shrink_kill+0xd4/0x2cc [ 53.555207][ T6875] shrink_dentry_list+0x31c/0x6cc [ 53.556030][ T6875] shrink_dcache_parent+0xac/0x27c [ 53.556875][ T6875] do_one_tree+0x2c/0xf0 [ 53.557603][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 53.558454][ T6875] generic_shutdown_super+0x68/0x2b8 [ 53.559353][ T6875] kill_block_super+0x44/0x90 [ 53.560130][ T6875] ext4_kill_sb+0x68/0xa4 [ 53.560830][ T6875] deactivate_locked_super+0xc4/0x12c [ 53.561698][ T6875] deactivate_super+0xe0/0x100 [ 53.562474][ T6875] cleanup_mnt+0x31c/0x3ac [ 53.563146][ T6875] __cleanup_mnt+0x20/0x30 [ 53.563855][ T6875] task_work_run+0x1dc/0x260 [ 53.564642][ T6875] do_notify_resume+0x174/0x1f4 [ 53.565328][ T6875] el0_svc+0xb8/0x180 [ 53.565968][ T6875] el0t_64_sync_handler+0x84/0x12c [ 53.566776][ T6875] el0t_64_sync+0x198/0x19c [ 53.567463][ T6875] irq event stamp: 589080 [ 53.568086][ T6875] hardirqs last enabled at (589079): [] finish_lock_switch+0xb0/0x1c0 [ 53.569640][ T6875] hardirqs last disabled at (589080): [] el1_brk64+0x1c/0x48 [ 53.571013][ T6875] softirqs last enabled at (588986): [] local_bh_enable+0x10/0x34 [ 53.572431][ T6875] softirqs last disabled at (588984): [] local_bh_disable+0x10/0x34 [ 53.573783][ T6875] ---[ end trace 0000000000000000 ]--- [ 53.590793][ T7590] loop0: detected capacity change from 0 to 1024 [ 53.615834][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 53.617788][ T6875] ------------[ cut here ]------------ [ 53.617796][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.619970][ T6875] Modules linked in: [ 53.620502][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.621997][ T6875] Tainted: [W]=WARN [ 53.622567][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.623952][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.625071][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.626008][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.626937][ T6875] sp : ffff80009e2a7100 [ 53.627503][ T6875] x29: ffff80009e2a7260 x28: ffff0000e51058d0 x27: 1fffe0001ca20b1a [ 53.628602][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 53.629746][ T6875] x23: ffff0000e51058a8 x22: 0000000000000000 x21: dfff800000000000 [ 53.630845][ T6875] x20: ffff0000d75e6068 x19: ffff0000d75e6000 x18: 1fffe000337a0688 [ 53.631953][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 53.633075][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 53.634182][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 53.635303][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 53.636436][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 53.637540][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.638653][ T6875] Call trace: [ 53.639108][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 53.639996][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 53.640909][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 53.641796][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.642649][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.643451][ T6875] ext4_dirty_inode+0xd4/0x104 [ 53.644248][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 53.645132][ T6875] iput+0x1cc/0x83c [ 53.645778][ T6875] dentry_unlink_inode+0x384/0x45c [ 53.646635][ T6875] __dentry_kill+0x170/0x594 [ 53.647411][ T6875] shrink_kill+0xd4/0x2cc [ 53.648084][ T6875] shrink_dentry_list+0x31c/0x6cc [ 53.648837][ T6875] shrink_dcache_parent+0xac/0x27c [ 53.649603][ T6875] do_one_tree+0x2c/0xf0 [ 53.650224][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 53.651063][ T6875] generic_shutdown_super+0x68/0x2b8 [ 53.651847][ T6875] kill_block_super+0x44/0x90 [ 53.652533][ T6875] ext4_kill_sb+0x68/0xa4 [ 53.653135][ T6875] deactivate_locked_super+0xc4/0x12c [ 53.653972][ T6875] deactivate_super+0xe0/0x100 [ 53.654679][ T6875] cleanup_mnt+0x31c/0x3ac [ 53.655290][ T6875] __cleanup_mnt+0x20/0x30 [ 53.655990][ T6875] task_work_run+0x1dc/0x260 [ 53.656722][ T6875] do_notify_resume+0x174/0x1f4 [ 53.657490][ T6875] el0_svc+0xb8/0x180 [ 53.658167][ T6875] el0t_64_sync_handler+0x84/0x12c [ 53.659037][ T6875] el0t_64_sync+0x198/0x19c [ 53.659772][ T6875] irq event stamp: 594868 [ 53.660498][ T6875] hardirqs last enabled at (594867): [] finish_lock_switch+0xb0/0x1c0 [ 53.662150][ T6875] hardirqs last disabled at (594868): [] el1_brk64+0x1c/0x48 [ 53.663626][ T6875] softirqs last enabled at (594576): [] local_bh_enable+0x10/0x34 [ 53.665001][ T6875] softirqs last disabled at (594574): [] local_bh_disable+0x10/0x34 [ 53.666511][ T6875] ---[ end trace 0000000000000000 ]--- [ 53.680831][ T7594] loop0: detected capacity change from 0 to 1024 [ 53.707807][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 53.707908][ T6875] ------------[ cut here ]------------ [ 53.707914][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.711846][ T6875] Modules linked in: [ 53.712386][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.713887][ T6875] Tainted: [W]=WARN [ 53.714426][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.716021][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.717188][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.718149][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.719168][ T6875] sp : ffff80009e2a7100 [ 53.719814][ T6875] x29: ffff80009e2a7260 x28: ffff0000dd916bf0 x27: 1fffe0001bb22d7e [ 53.721077][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 53.722322][ T6875] x23: ffff0000dd916bc8 x22: 0000000000000000 x21: dfff800000000000 [ 53.723514][ T6875] x20: ffff0000db4bc068 x19: ffff0000db4bc000 x18: 1fffe0003379be88 [ 53.724669][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 53.725819][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 53.727061][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 53.728332][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 53.729629][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 53.730900][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.732158][ T6875] Call trace: [ 53.732673][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 53.733706][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 53.734493][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 53.735354][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.736219][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.737056][ T6875] ext4_dirty_inode+0xd4/0x104 [ 53.737792][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 53.738586][ T6875] iput+0x1cc/0x83c [ 53.739209][ T6875] dentry_unlink_inode+0x384/0x45c [ 53.740029][ T6875] __dentry_kill+0x170/0x594 [ 53.740794][ T6875] shrink_kill+0xd4/0x2cc [ 53.741516][ T6875] shrink_dentry_list+0x31c/0x6cc [ 53.742386][ T6875] shrink_dcache_parent+0xac/0x27c [ 53.743207][ T6875] do_one_tree+0x2c/0xf0 [ 53.743852][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 53.744730][ T6875] generic_shutdown_super+0x68/0x2b8 [ 53.745462][ T6875] kill_block_super+0x44/0x90 [ 53.746146][ T6875] ext4_kill_sb+0x68/0xa4 [ 53.746808][ T6875] deactivate_locked_super+0xc4/0x12c [ 53.747626][ T6875] deactivate_super+0xe0/0x100 [ 53.748300][ T6875] cleanup_mnt+0x31c/0x3ac [ 53.749005][ T6875] __cleanup_mnt+0x20/0x30 [ 53.749684][ T6875] task_work_run+0x1dc/0x260 [ 53.750349][ T6875] do_notify_resume+0x174/0x1f4 [ 53.751062][ T6875] el0_svc+0xb8/0x180 [ 53.751627][ T6875] el0t_64_sync_handler+0x84/0x12c [ 53.752352][ T6875] el0t_64_sync+0x198/0x19c [ 53.753071][ T6875] irq event stamp: 599954 [ 53.753760][ T6875] hardirqs last enabled at (599953): [] exit_to_kernel_mode+0xc0/0xf0 [ 53.755210][ T6875] hardirqs last disabled at (599954): [] el1_brk64+0x1c/0x48 [ 53.756639][ T6875] softirqs last enabled at (599644): [] local_bh_enable+0x10/0x34 [ 53.758105][ T6875] softirqs last disabled at (599642): [] local_bh_disable+0x10/0x34 [ 53.759741][ T6875] ---[ end trace 0000000000000000 ]--- [ 53.782371][ T7598] loop0: detected capacity change from 0 to 1024 [ 53.801621][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 53.801706][ T6875] ------------[ cut here ]------------ [ 53.801712][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.805587][ T6875] Modules linked in: [ 53.806123][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.807633][ T6875] Tainted: [W]=WARN [ 53.808237][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.809821][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.811157][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.812278][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.813391][ T6875] sp : ffff80009e2a7100 [ 53.814130][ T6875] x29: ffff80009e2a7260 x28: ffff0000ddb23c20 x27: 1fffe0001bb64784 [ 53.815514][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 53.816821][ T6875] x23: ffff0000ddb23bf8 x22: 0000000000000000 x21: dfff800000000000 [ 53.818152][ T6875] x20: ffff0000d7eae068 x19: ffff0000d7eae000 x18: 1fffe0003379be88 [ 53.819434][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 53.820718][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 53.822026][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 53.823335][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 53.824669][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 53.825918][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.827193][ T6875] Call trace: [ 53.827702][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 53.828725][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 53.829557][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 53.830443][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.831399][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.832313][ T6875] ext4_dirty_inode+0xd4/0x104 [ 53.833064][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 53.833908][ T6875] iput+0x1cc/0x83c [ 53.834529][ T6875] dentry_unlink_inode+0x384/0x45c [ 53.835324][ T6875] __dentry_kill+0x170/0x594 [ 53.836101][ T6875] shrink_kill+0xd4/0x2cc [ 53.836746][ T6875] shrink_dentry_list+0x31c/0x6cc [ 53.837560][ T6875] shrink_dcache_parent+0xac/0x27c [ 53.838370][ T6875] do_one_tree+0x2c/0xf0 [ 53.839082][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 53.839935][ T6875] generic_shutdown_super+0x68/0x2b8 [ 53.840721][ T6875] kill_block_super+0x44/0x90 [ 53.841503][ T6875] ext4_kill_sb+0x68/0xa4 [ 53.842232][ T6875] deactivate_locked_super+0xc4/0x12c [ 53.843094][ T6875] deactivate_super+0xe0/0x100 [ 53.843848][ T6875] cleanup_mnt+0x31c/0x3ac [ 53.844589][ T6875] __cleanup_mnt+0x20/0x30 [ 53.845332][ T6875] task_work_run+0x1dc/0x260 [ 53.846051][ T6875] do_notify_resume+0x174/0x1f4 [ 53.846804][ T6875] el0_svc+0xb8/0x180 [ 53.847425][ T6875] el0t_64_sync_handler+0x84/0x12c [ 53.848166][ T6875] el0t_64_sync+0x198/0x19c [ 53.848855][ T6875] irq event stamp: 604566 [ 53.849488][ T6875] hardirqs last enabled at (604565): [] exit_to_kernel_mode+0xc0/0xf0 [ 53.850907][ T6875] hardirqs last disabled at (604566): [] el1_brk64+0x1c/0x48 [ 53.852192][ T6875] softirqs last enabled at (604386): [] local_bh_enable+0x10/0x34 [ 53.853466][ T6875] softirqs last disabled at (604384): [] local_bh_disable+0x10/0x34 [ 53.855014][ T6875] ---[ end trace 0000000000000000 ]--- [ 53.870303][ T7602] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 53.880497][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 53.880583][ T6875] ------------[ cut here ]------------ [ 53.880587][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.885136][ T6875] Modules linked in: [ 53.885733][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.887308][ T6875] Tainted: [W]=WARN [ 53.887868][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.889287][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.890399][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.891397][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.892430][ T6875] sp : ffff80009e2a7100 [ 53.893045][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5138c50 x27: 1fffe0001ca2718a [ 53.894265][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 53.895432][ T6875] x23: ffff0000e5138c28 x22: 0000000000000000 x21: dfff800000000000 [ 53.896643][ T6875] x20: ffff0000d86d0068 x19: ffff0000d86d0000 x18: 1fffe0003379be88 [ 53.897965][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 53.899290][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 53.900495][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 53.901700][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 53.902895][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 53.904059][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.905216][ T6875] Call trace: [ 53.905691][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 53.906623][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 53.907362][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 53.908153][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.908918][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.909665][ T6875] ext4_dirty_inode+0xd4/0x104 [ 53.910331][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 53.911021][ T6875] iput+0x1cc/0x83c [ 53.911624][ T6875] dentry_unlink_inode+0x384/0x45c [ 53.912495][ T6875] __dentry_kill+0x170/0x594 [ 53.913234][ T6875] shrink_kill+0xd4/0x2cc [ 53.913868][ T6875] shrink_dentry_list+0x31c/0x6cc [ 53.914612][ T6875] shrink_dcache_parent+0xac/0x27c [ 53.915368][ T6875] do_one_tree+0x2c/0xf0 [ 53.916018][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 53.916870][ T6875] generic_shutdown_super+0x68/0x2b8 [ 53.917652][ T6875] kill_block_super+0x44/0x90 [ 53.918417][ T6875] ext4_kill_sb+0x68/0xa4 [ 53.919133][ T6875] deactivate_locked_super+0xc4/0x12c [ 53.919958][ T6875] deactivate_super+0xe0/0x100 [ 53.920675][ T6875] cleanup_mnt+0x31c/0x3ac [ 53.921337][ T6875] __cleanup_mnt+0x20/0x30 [ 53.922013][ T6875] task_work_run+0x1dc/0x260 [ 53.922666][ T6875] do_notify_resume+0x174/0x1f4 [ 53.923387][ T6875] el0_svc+0xb8/0x180 [ 53.923944][ T6875] el0t_64_sync_handler+0x84/0x12c [ 53.924728][ T6875] el0t_64_sync+0x198/0x19c [ 53.925388][ T6875] irq event stamp: 609220 [ 53.925989][ T6875] hardirqs last enabled at (609219): [] exit_to_kernel_mode+0xc0/0xf0 [ 53.927469][ T6875] hardirqs last disabled at (609220): [] el1_brk64+0x1c/0x48 [ 53.928789][ T6875] softirqs last enabled at (609036): [] local_bh_enable+0x10/0x34 [ 53.930252][ T6875] softirqs last disabled at (609034): [] local_bh_disable+0x10/0x34 [ 53.931754][ T6875] ---[ end trace 0000000000000000 ]--- [ 53.946894][ T7606] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 53.960857][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 53.960953][ T6875] ------------[ cut here ]------------ [ 53.960957][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.965666][ T6875] Modules linked in: [ 53.966223][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 53.967749][ T6875] Tainted: [W]=WARN [ 53.968294][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 53.969723][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 53.970812][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.971706][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 53.972598][ T6875] sp : ffff80009e2a7100 [ 53.973181][ T6875] x29: ffff80009e2a7260 x28: ffff0000e513f580 x27: 1fffe0001ca27eb0 [ 53.974307][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 53.975427][ T6875] x23: ffff0000e513f558 x22: 0000000000000000 x21: dfff800000000000 [ 53.976529][ T6875] x20: ffff0000d899e068 x19: ffff0000d899e000 x18: 1fffe0003379be88 [ 53.977645][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 53.978867][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 53.980117][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 53.981300][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 53.982484][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 53.983631][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 53.984800][ T6875] Call trace: [ 53.985272][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 53.986200][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 53.986939][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 53.987770][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 53.988544][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 53.989279][ T6875] ext4_dirty_inode+0xd4/0x104 [ 53.989918][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 53.990622][ T6875] iput+0x1cc/0x83c [ 53.991191][ T6875] dentry_unlink_inode+0x384/0x45c [ 53.991974][ T6875] __dentry_kill+0x170/0x594 [ 53.992697][ T6875] shrink_kill+0xd4/0x2cc [ 53.993380][ T6875] shrink_dentry_list+0x31c/0x6cc [ 53.994151][ T6875] shrink_dcache_parent+0xac/0x27c [ 53.994933][ T6875] do_one_tree+0x2c/0xf0 [ 53.995589][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 53.996401][ T6875] generic_shutdown_super+0x68/0x2b8 [ 53.997192][ T6875] kill_block_super+0x44/0x90 [ 53.997886][ T6875] ext4_kill_sb+0x68/0xa4 [ 53.998536][ T6875] deactivate_locked_super+0xc4/0x12c [ 53.999328][ T6875] deactivate_super+0xe0/0x100 [ 54.000098][ T6875] cleanup_mnt+0x31c/0x3ac [ 54.000806][ T6875] __cleanup_mnt+0x20/0x30 [ 54.001516][ T6875] task_work_run+0x1dc/0x260 [ 54.002189][ T6875] do_notify_resume+0x174/0x1f4 [ 54.002968][ T6875] el0_svc+0xb8/0x180 [ 54.003576][ T6875] el0t_64_sync_handler+0x84/0x12c [ 54.004370][ T6875] el0t_64_sync+0x198/0x19c [ 54.005110][ T6875] irq event stamp: 613792 [ 54.005843][ T6875] hardirqs last enabled at (613791): [] exit_to_kernel_mode+0xc0/0xf0 [ 54.007352][ T6875] hardirqs last disabled at (613792): [] el1_brk64+0x1c/0x48 [ 54.008607][ T6875] softirqs last enabled at (613514): [] local_bh_enable+0x10/0x34 [ 54.009890][ T6875] softirqs last disabled at (613512): [] local_bh_disable+0x10/0x34 [ 54.011222][ T6875] ---[ end trace 0000000000000000 ]--- [ 54.026431][ T7610] loop0: detected capacity change from 0 to 1024 [ 54.039382][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 54.039480][ T6875] ------------[ cut here ]------------ [ 54.039487][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.043393][ T6875] Modules linked in: [ 54.043946][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.045441][ T6875] Tainted: [W]=WARN [ 54.045957][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.047306][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.048357][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.049259][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.050133][ T6875] sp : ffff80009e2a7100 [ 54.050711][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5146260 x27: 1fffe0001ca28c4c [ 54.051967][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 54.053152][ T6875] x23: ffff0000e5146238 x22: 0000000000000000 x21: dfff800000000000 [ 54.054453][ T6875] x20: ffff0000d95a6068 x19: ffff0000d95a6000 x18: 1fffe000337a0688 [ 54.055737][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 54.057032][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 54.058351][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 54.059574][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 54.060832][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 54.062025][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.063201][ T6875] Call trace: [ 54.063728][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 54.064760][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 54.065611][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 54.066566][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.067466][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.068383][ T6875] ext4_dirty_inode+0xd4/0x104 [ 54.069164][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 54.069972][ T6875] iput+0x1cc/0x83c [ 54.070562][ T6875] dentry_unlink_inode+0x384/0x45c [ 54.071396][ T6875] __dentry_kill+0x170/0x594 [ 54.072084][ T6875] shrink_kill+0xd4/0x2cc [ 54.072841][ T6875] shrink_dentry_list+0x31c/0x6cc [ 54.073698][ T6875] shrink_dcache_parent+0xac/0x27c [ 54.074477][ T6875] do_one_tree+0x2c/0xf0 [ 54.075133][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 54.075991][ T6875] generic_shutdown_super+0x68/0x2b8 [ 54.076726][ T6875] kill_block_super+0x44/0x90 [ 54.077368][ T6875] ext4_kill_sb+0x68/0xa4 [ 54.078020][ T6875] deactivate_locked_super+0xc4/0x12c [ 54.078770][ T6875] deactivate_super+0xe0/0x100 [ 54.079474][ T6875] cleanup_mnt+0x31c/0x3ac [ 54.080159][ T6875] __cleanup_mnt+0x20/0x30 [ 54.080808][ T6875] task_work_run+0x1dc/0x260 [ 54.081453][ T6875] do_notify_resume+0x174/0x1f4 [ 54.082117][ T6875] el0_svc+0xb8/0x180 [ 54.082663][ T6875] el0t_64_sync_handler+0x84/0x12c [ 54.083381][ T6875] el0t_64_sync+0x198/0x19c [ 54.084009][ T6875] irq event stamp: 618222 [ 54.084617][ T6875] hardirqs last enabled at (618221): [] exit_to_kernel_mode+0xc0/0xf0 [ 54.086013][ T6875] hardirqs last disabled at (618222): [] el1_brk64+0x1c/0x48 [ 54.087274][ T6875] softirqs last enabled at (617906): [] local_bh_enable+0x10/0x34 [ 54.088721][ T6875] softirqs last disabled at (617904): [] local_bh_disable+0x10/0x34 [ 54.090149][ T6875] ---[ end trace 0000000000000000 ]--- [ 54.108189][ T7614] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 54.138015][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 54.138107][ T6875] ------------[ cut here ]------------ [ 54.138111][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.143028][ T6875] Modules linked in: [ 54.143616][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.145087][ T6875] Tainted: [W]=WARN [ 54.145591][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.146973][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.148072][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.149032][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.149933][ T6875] sp : ffff80009e2a7100 [ 54.150502][ T6875] x29: ffff80009e2a7260 x28: ffff0000ddbc6bf0 x27: 1fffe0001bb78d7e [ 54.151633][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 54.152763][ T6875] x23: ffff0000ddbc6bc8 x22: 0000000000000000 x21: dfff800000000000 [ 54.153927][ T6875] x20: ffff0000d5dc0068 x19: ffff0000d5dc0000 x18: 1fffe0003379be88 [ 54.155087][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 54.156198][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 54.157302][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 54.158418][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 54.159558][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 54.160681][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.161878][ T6875] Call trace: [ 54.162353][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 54.163277][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 54.164040][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 54.164921][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.165715][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.166475][ T6875] ext4_dirty_inode+0xd4/0x104 [ 54.167127][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 54.167807][ T6875] iput+0x1cc/0x83c [ 54.168383][ T6875] dentry_unlink_inode+0x384/0x45c [ 54.169141][ T6875] __dentry_kill+0x170/0x594 [ 54.169821][ T6875] shrink_kill+0xd4/0x2cc [ 54.170541][ T6875] shrink_dentry_list+0x31c/0x6cc [ 54.171369][ T6875] shrink_dcache_parent+0xac/0x27c [ 54.172189][ T6875] do_one_tree+0x2c/0xf0 [ 54.172874][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 54.173757][ T6875] generic_shutdown_super+0x68/0x2b8 [ 54.174640][ T6875] kill_block_super+0x44/0x90 [ 54.175336][ T6875] ext4_kill_sb+0x68/0xa4 [ 54.175999][ T6875] deactivate_locked_super+0xc4/0x12c [ 54.176829][ T6875] deactivate_super+0xe0/0x100 [ 54.177539][ T6875] cleanup_mnt+0x31c/0x3ac [ 54.178281][ T6875] __cleanup_mnt+0x20/0x30 [ 54.178993][ T6875] task_work_run+0x1dc/0x260 [ 54.179770][ T6875] do_notify_resume+0x174/0x1f4 [ 54.180573][ T6875] el0_svc+0xb8/0x180 [ 54.181211][ T6875] el0t_64_sync_handler+0x84/0x12c [ 54.182061][ T6875] el0t_64_sync+0x198/0x19c [ 54.182775][ T6875] irq event stamp: 622896 [ 54.183459][ T6875] hardirqs last enabled at (622895): [] exit_to_kernel_mode+0xc0/0xf0 [ 54.184903][ T6875] hardirqs last disabled at (622896): [] el1_brk64+0x1c/0x48 [ 54.186354][ T6875] softirqs last enabled at (622586): [] local_bh_enable+0x10/0x34 [ 54.187956][ T6875] softirqs last disabled at (622584): [] local_bh_disable+0x10/0x34 [ 54.189514][ T6875] ---[ end trace 0000000000000000 ]--- [ 54.207546][ T7619] loop0: detected capacity change from 0 to 1024 [ 54.226294][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 54.228486][ T6875] ------------[ cut here ]------------ [ 54.228493][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.230888][ T6875] Modules linked in: [ 54.231500][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.232931][ T6875] Tainted: [W]=WARN [ 54.233542][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.235180][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.236417][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.237402][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.238438][ T6875] sp : ffff80009e2a7100 [ 54.239121][ T6875] x29: ffff80009e2a7260 x28: ffff0000e51215e0 x27: 1fffe0001ca242bc [ 54.240365][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 54.241581][ T6875] x23: ffff0000e51215b8 x22: 0000000000000000 x21: dfff800000000000 [ 54.242809][ T6875] x20: ffff0000db5e2068 x19: ffff0000db5e2000 x18: 1fffe000337a0688 [ 54.244065][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 54.245342][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 54.246584][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 54.247809][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 54.249130][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 54.250455][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.251763][ T6875] Call trace: [ 54.252303][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 54.253285][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 54.254076][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 54.254933][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.255821][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.256598][ T6875] ext4_dirty_inode+0xd4/0x104 [ 54.257344][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 54.258065][ T6875] iput+0x1cc/0x83c [ 54.258710][ T6875] dentry_unlink_inode+0x384/0x45c [ 54.259507][ T6875] __dentry_kill+0x170/0x594 [ 54.260209][ T6875] shrink_kill+0xd4/0x2cc [ 54.260962][ T6875] shrink_dentry_list+0x31c/0x6cc [ 54.261765][ T6875] shrink_dcache_parent+0xac/0x27c [ 54.262614][ T6875] do_one_tree+0x2c/0xf0 [ 54.263326][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 54.264256][ T6875] generic_shutdown_super+0x68/0x2b8 [ 54.265154][ T6875] kill_block_super+0x44/0x90 [ 54.265912][ T6875] ext4_kill_sb+0x68/0xa4 [ 54.266613][ T6875] deactivate_locked_super+0xc4/0x12c [ 54.267362][ T6875] deactivate_super+0xe0/0x100 [ 54.268060][ T6875] cleanup_mnt+0x31c/0x3ac [ 54.268686][ T6875] __cleanup_mnt+0x20/0x30 [ 54.269305][ T6875] task_work_run+0x1dc/0x260 [ 54.269984][ T6875] do_notify_resume+0x174/0x1f4 [ 54.270736][ T6875] el0_svc+0xb8/0x180 [ 54.271387][ T6875] el0t_64_sync_handler+0x84/0x12c [ 54.272161][ T6875] el0t_64_sync+0x198/0x19c [ 54.272861][ T6875] irq event stamp: 628152 [ 54.273484][ T6875] hardirqs last enabled at (628151): [] finish_lock_switch+0xb0/0x1c0 [ 54.274926][ T6875] hardirqs last disabled at (628152): [] el1_brk64+0x1c/0x48 [ 54.276361][ T6875] softirqs last enabled at (627850): [] local_bh_enable+0x10/0x34 [ 54.277725][ T6875] softirqs last disabled at (627848): [] local_bh_disable+0x10/0x34 [ 54.279076][ T6875] ---[ end trace 0000000000000000 ]--- [ 54.296665][ T7623] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 54.325335][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 54.325437][ T6875] ------------[ cut here ]------------ [ 54.325442][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.330524][ T6875] Modules linked in: [ 54.331128][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.332888][ T6875] Tainted: [W]=WARN [ 54.333516][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.335237][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.336456][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.337464][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.338435][ T6875] sp : ffff80009e2a7100 [ 54.339045][ T6875] x29: ffff80009e2a7260 x28: ffff0000e5403290 x27: 1fffe0001ca80652 [ 54.340263][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 54.341621][ T6875] x23: ffff0000e5403268 x22: 0000000000000000 x21: dfff800000000000 [ 54.342865][ T6875] x20: ffff0000c59ae068 x19: ffff0000c59ae000 x18: 1fffe0003379be88 [ 54.344181][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 54.345455][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 54.346693][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 54.348013][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 54.349269][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 54.350628][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.352020][ T6875] Call trace: [ 54.352549][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 54.353624][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 54.354472][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 54.355408][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.356291][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.357209][ T6875] ext4_dirty_inode+0xd4/0x104 [ 54.357984][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 54.358875][ T6875] iput+0x1cc/0x83c [ 54.359582][ T6875] dentry_unlink_inode+0x384/0x45c [ 54.360427][ T6875] __dentry_kill+0x170/0x594 [ 54.361177][ T6875] shrink_kill+0xd4/0x2cc [ 54.361835][ T6875] shrink_dentry_list+0x31c/0x6cc [ 54.362589][ T6875] shrink_dcache_parent+0xac/0x27c [ 54.363439][ T6875] do_one_tree+0x2c/0xf0 [ 54.364124][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 54.364939][ T6875] generic_shutdown_super+0x68/0x2b8 [ 54.365737][ T6875] kill_block_super+0x44/0x90 [ 54.366398][ T6875] ext4_kill_sb+0x68/0xa4 [ 54.367075][ T6875] deactivate_locked_super+0xc4/0x12c [ 54.367878][ T6875] deactivate_super+0xe0/0x100 [ 54.368625][ T6875] cleanup_mnt+0x31c/0x3ac [ 54.369371][ T6875] __cleanup_mnt+0x20/0x30 [ 54.370129][ T6875] task_work_run+0x1dc/0x260 [ 54.370899][ T6875] do_notify_resume+0x174/0x1f4 [ 54.371727][ T6875] el0_svc+0xb8/0x180 [ 54.372358][ T6875] el0t_64_sync_handler+0x84/0x12c [ 54.373219][ T6875] el0t_64_sync+0x198/0x19c [ 54.373971][ T6875] irq event stamp: 633302 [ 54.374700][ T6875] hardirqs last enabled at (633301): [] exit_to_kernel_mode+0xc0/0xf0 [ 54.376330][ T6875] hardirqs last disabled at (633302): [] el1_brk64+0x1c/0x48 [ 54.377576][ T6875] softirqs last enabled at (633114): [] local_bh_enable+0x10/0x34 [ 54.379014][ T6875] softirqs last disabled at (633112): [] local_bh_disable+0x10/0x34 [ 54.380372][ T6875] ---[ end trace 0000000000000000 ]--- 1970/01/01 00:00:54 executed programs: 98 [ 54.401100][ T7627] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 54.423483][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 54.425956][ T6875] ------------[ cut here ]------------ [ 54.425962][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.430195][ T6875] Modules linked in: [ 54.430730][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.432276][ T6875] Tainted: [W]=WARN [ 54.432818][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.434216][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.435329][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.436260][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.437178][ T6875] sp : ffff80009e2a7100 [ 54.437859][ T6875] x29: ffff80009e2a7260 x28: ffff0000e51aebf0 x27: 1fffe0001ca35d7e [ 54.439086][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 54.440470][ T6875] x23: ffff0000e51aebc8 x22: 0000000000000000 x21: dfff800000000000 [ 54.441805][ T6875] x20: ffff0000d88c4068 x19: ffff0000d88c4000 x18: 1fffe0003379be88 [ 54.443127][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 54.444462][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 54.445733][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 54.447014][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 54.448415][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 54.449797][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.451148][ T6875] Call trace: [ 54.451694][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 54.452745][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 54.453608][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 54.454570][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.455464][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.456329][ T6875] ext4_dirty_inode+0xd4/0x104 [ 54.457063][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 54.457994][ T6875] iput+0x1cc/0x83c [ 54.458635][ T6875] dentry_unlink_inode+0x384/0x45c [ 54.459474][ T6875] __dentry_kill+0x170/0x594 [ 54.460235][ T6875] shrink_kill+0xd4/0x2cc [ 54.460913][ T6875] shrink_dentry_list+0x31c/0x6cc [ 54.461706][ T6875] shrink_dcache_parent+0xac/0x27c [ 54.462403][ T6875] do_one_tree+0x2c/0xf0 [ 54.463058][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 54.463884][ T6875] generic_shutdown_super+0x68/0x2b8 [ 54.464618][ T6875] kill_block_super+0x44/0x90 [ 54.465434][ T6875] ext4_kill_sb+0x68/0xa4 [ 54.466114][ T6875] deactivate_locked_super+0xc4/0x12c [ 54.467055][ T6875] deactivate_super+0xe0/0x100 [ 54.467792][ T6875] cleanup_mnt+0x31c/0x3ac [ 54.468525][ T6875] __cleanup_mnt+0x20/0x30 [ 54.469237][ T6875] task_work_run+0x1dc/0x260 [ 54.470012][ T6875] do_notify_resume+0x174/0x1f4 [ 54.470812][ T6875] el0_svc+0xb8/0x180 [ 54.471451][ T6875] el0t_64_sync_handler+0x84/0x12c [ 54.472283][ T6875] el0t_64_sync+0x198/0x19c [ 54.472984][ T6875] irq event stamp: 638006 [ 54.473679][ T6875] hardirqs last enabled at (638005): [] exit_to_kernel_mode+0xc0/0xf0 [ 54.475301][ T6875] hardirqs last disabled at (638006): [] el1_brk64+0x1c/0x48 [ 54.476694][ T6875] softirqs last enabled at (637998): [] handle_softirqs+0xaf8/0xc88 [ 54.478245][ T6875] softirqs last disabled at (637863): [] __do_softirq+0x14/0x20 [ 54.479707][ T6875] ---[ end trace 0000000000000000 ]--- [ 54.500681][ T7631] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 54.510329][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 54.510423][ T6875] ------------[ cut here ]------------ [ 54.510428][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.515189][ T6875] Modules linked in: [ 54.515792][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.517456][ T6875] Tainted: [W]=WARN [ 54.518031][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.519485][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.520825][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.521822][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.522816][ T6875] sp : ffff80009e2a7100 [ 54.523531][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4e7a900 x27: 1fffe0001c9cf520 [ 54.524877][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 54.526227][ T6875] x23: ffff0000e4e7a8d8 x22: 0000000000000000 x21: dfff800000000000 [ 54.527603][ T6875] x20: ffff0000d9d0a068 x19: ffff0000d9d0a000 x18: 1fffe0003379be88 [ 54.528888][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 54.530266][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 54.531495][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 54.532718][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 54.534079][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 54.535415][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.536738][ T6875] Call trace: [ 54.537245][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 54.538331][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 54.539249][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 54.540200][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.541158][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.542040][ T6875] ext4_dirty_inode+0xd4/0x104 [ 54.542841][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 54.543707][ T6875] iput+0x1cc/0x83c [ 54.544337][ T6875] dentry_unlink_inode+0x384/0x45c [ 54.545217][ T6875] __dentry_kill+0x170/0x594 [ 54.545984][ T6875] shrink_kill+0xd4/0x2cc [ 54.546701][ T6875] shrink_dentry_list+0x31c/0x6cc [ 54.547577][ T6875] shrink_dcache_parent+0xac/0x27c [ 54.548438][ T6875] do_one_tree+0x2c/0xf0 [ 54.549186][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 54.550077][ T6875] generic_shutdown_super+0x68/0x2b8 [ 54.550867][ T6875] kill_block_super+0x44/0x90 [ 54.551565][ T6875] ext4_kill_sb+0x68/0xa4 [ 54.552211][ T6875] deactivate_locked_super+0xc4/0x12c [ 54.553082][ T6875] deactivate_super+0xe0/0x100 [ 54.553792][ T6875] cleanup_mnt+0x31c/0x3ac [ 54.554546][ T6875] __cleanup_mnt+0x20/0x30 [ 54.555187][ T6875] task_work_run+0x1dc/0x260 [ 54.555913][ T6875] do_notify_resume+0x174/0x1f4 [ 54.556668][ T6875] el0_svc+0xb8/0x180 [ 54.557356][ T6875] el0t_64_sync_handler+0x84/0x12c [ 54.558262][ T6875] el0t_64_sync+0x198/0x19c [ 54.558987][ T6875] irq event stamp: 642532 [ 54.559678][ T6875] hardirqs last enabled at (642531): [] exit_to_kernel_mode+0xc0/0xf0 [ 54.561254][ T6875] hardirqs last disabled at (642532): [] el1_brk64+0x1c/0x48 [ 54.562606][ T6875] softirqs last enabled at (642382): [] local_bh_enable+0x10/0x34 [ 54.564220][ T6875] softirqs last disabled at (642380): [] local_bh_disable+0x10/0x34 [ 54.565899][ T6875] ---[ end trace 0000000000000000 ]--- [ 54.583294][ T7635] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 54.614497][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 54.614585][ T6875] ------------[ cut here ]------------ [ 54.614589][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.619145][ T6875] Modules linked in: [ 54.619697][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.621236][ T6875] Tainted: [W]=WARN [ 54.621858][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.623453][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.624720][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.625766][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.626795][ T6875] sp : ffff80009e2a7100 [ 54.627459][ T6875] x29: ffff80009e2a7260 x28: ffff0000e4ea82c0 x27: 1fffe0001c9d5058 [ 54.628775][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 54.630111][ T6875] x23: ffff0000e4ea8298 x22: 0000000000000000 x21: dfff800000000000 [ 54.631380][ T6875] x20: ffff0000dcffe068 x19: ffff0000dcffe000 x18: 1fffe0003379be88 [ 54.632759][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 54.634118][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 54.635468][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 54.636766][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 54.638078][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 54.639302][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.640552][ T6875] Call trace: [ 54.641058][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 54.642174][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 54.642989][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 54.643945][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.644860][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.645743][ T6875] ext4_dirty_inode+0xd4/0x104 [ 54.646597][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 54.647460][ T6875] iput+0x1cc/0x83c [ 54.648094][ T6875] dentry_unlink_inode+0x384/0x45c [ 54.648913][ T6875] __dentry_kill+0x170/0x594 [ 54.649703][ T6875] shrink_kill+0xd4/0x2cc [ 54.650457][ T6875] shrink_dentry_list+0x31c/0x6cc [ 54.651342][ T6875] shrink_dcache_parent+0xac/0x27c [ 54.652206][ T6875] do_one_tree+0x2c/0xf0 [ 54.652883][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 54.653826][ T6875] generic_shutdown_super+0x68/0x2b8 [ 54.654632][ T6875] kill_block_super+0x44/0x90 [ 54.655448][ T6875] ext4_kill_sb+0x68/0xa4 [ 54.656193][ T6875] deactivate_locked_super+0xc4/0x12c [ 54.657031][ T6875] deactivate_super+0xe0/0x100 [ 54.657803][ T6875] cleanup_mnt+0x31c/0x3ac [ 54.658474][ T6875] __cleanup_mnt+0x20/0x30 [ 54.659170][ T6875] task_work_run+0x1dc/0x260 [ 54.659847][ T6875] do_notify_resume+0x174/0x1f4 [ 54.660622][ T6875] el0_svc+0xb8/0x180 [ 54.661205][ T6875] el0t_64_sync_handler+0x84/0x12c [ 54.662020][ T6875] el0t_64_sync+0x198/0x19c [ 54.662773][ T6875] irq event stamp: 647156 [ 54.663530][ T6875] hardirqs last enabled at (647155): [] exit_to_kernel_mode+0xc0/0xf0 [ 54.665116][ T6875] hardirqs last disabled at (647156): [] el1_brk64+0x1c/0x48 [ 54.666585][ T6875] softirqs last enabled at (646974): [] local_bh_enable+0x10/0x34 [ 54.668086][ T6875] softirqs last disabled at (646972): [] local_bh_disable+0x10/0x34 [ 54.669614][ T6875] ---[ end trace 0000000000000000 ]--- [ 54.688008][ T7639] loop0: detected capacity change from 0 to 1024 [ 54.708292][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 54.710134][ T6875] ------------[ cut here ]------------ [ 54.710143][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.712254][ T6875] Modules linked in: [ 54.712781][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.714300][ T6875] Tainted: [W]=WARN [ 54.714830][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.716177][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.717237][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.718263][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.719248][ T6875] sp : ffff80009e2a7100 [ 54.719925][ T6875] x29: ffff80009e2a7260 x28: ffff0000e51182c0 x27: 1fffe0001ca23058 [ 54.721218][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 54.722498][ T6875] x23: ffff0000e5118298 x22: 0000000000000000 x21: dfff800000000000 [ 54.723810][ T6875] x20: ffff0000d20a0068 x19: ffff0000d20a0000 x18: 1fffe000337a0688 [ 54.725110][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 54.726318][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 54.727568][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 54.728709][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 54.729863][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 54.731008][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.732117][ T6875] Call trace: [ 54.732598][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 54.733564][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 54.734447][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 54.735321][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.736185][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.737091][ T6875] ext4_dirty_inode+0xd4/0x104 [ 54.737826][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 54.738608][ T6875] iput+0x1cc/0x83c [ 54.739270][ T6875] dentry_unlink_inode+0x384/0x45c [ 54.740052][ T6875] __dentry_kill+0x170/0x594 [ 54.740712][ T6875] shrink_kill+0xd4/0x2cc [ 54.741330][ T6875] shrink_dentry_list+0x31c/0x6cc [ 54.742102][ T6875] shrink_dcache_parent+0xac/0x27c [ 54.742888][ T6875] do_one_tree+0x2c/0xf0 [ 54.743550][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 54.744413][ T6875] generic_shutdown_super+0x68/0x2b8 [ 54.745230][ T6875] kill_block_super+0x44/0x90 [ 54.745945][ T6875] ext4_kill_sb+0x68/0xa4 [ 54.746573][ T6875] deactivate_locked_super+0xc4/0x12c [ 54.747515][ T6875] deactivate_super+0xe0/0x100 [ 54.748265][ T6875] cleanup_mnt+0x31c/0x3ac [ 54.748934][ T6875] __cleanup_mnt+0x20/0x30 [ 54.749610][ T6875] task_work_run+0x1dc/0x260 [ 54.750310][ T6875] do_notify_resume+0x174/0x1f4 [ 54.751171][ T6875] el0_svc+0xb8/0x180 [ 54.751831][ T6875] el0t_64_sync_handler+0x84/0x12c [ 54.752698][ T6875] el0t_64_sync+0x198/0x19c [ 54.753366][ T6875] irq event stamp: 651782 [ 54.754043][ T6875] hardirqs last enabled at (651781): [] finish_lock_switch+0xb0/0x1c0 [ 54.755624][ T6875] hardirqs last disabled at (651782): [] el1_brk64+0x1c/0x48 [ 54.757124][ T6875] softirqs last enabled at (651480): [] local_bh_enable+0x10/0x34 [ 54.758744][ T6875] softirqs last disabled at (651478): [] local_bh_disable+0x10/0x34 [ 54.760387][ T6875] ---[ end trace 0000000000000000 ]--- [ 54.783481][ T7644] loop0: detected capacity change from 0 to 1024 [ 54.801279][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 54.803351][ T6875] ------------[ cut here ]------------ [ 54.803360][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.805884][ T6875] Modules linked in: [ 54.806566][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.808419][ T6875] Tainted: [W]=WARN [ 54.809027][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.810684][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.811912][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.812990][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.813955][ T6875] sp : ffff80009e2a7100 [ 54.814553][ T6875] x29: ffff80009e2a7260 x28: ffff0000e545a900 x27: 1fffe0001ca8b520 [ 54.815981][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 54.817334][ T6875] x23: ffff0000e545a8d8 x22: 0000000000000000 x21: dfff800000000000 [ 54.818716][ T6875] x20: ffff0000e098c068 x19: ffff0000e098c000 x18: 1fffe0003379be88 [ 54.820044][ T6875] x17: ffff80008f7be000 x16: ffff80008b007180 x15: 0000000000000001 [ 54.821373][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 54.822736][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 54.823973][ T6875] x8 : 775bd158c8245300 x7 : ffff800080490fb8 x6 : 0000000000000000 [ 54.825228][ T6875] x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807de4a4 [ 54.826586][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.827846][ T6875] Call trace: [ 54.828354][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 54.829357][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 54.830148][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 54.831022][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.831883][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.832704][ T6875] ext4_dirty_inode+0xd4/0x104 [ 54.833421][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 54.834156][ T6875] iput+0x1cc/0x83c [ 54.834806][ T6875] dentry_unlink_inode+0x384/0x45c [ 54.835658][ T6875] __dentry_kill+0x170/0x594 [ 54.836428][ T6875] shrink_kill+0xd4/0x2cc [ 54.837176][ T6875] shrink_dentry_list+0x31c/0x6cc [ 54.837986][ T6875] shrink_dcache_parent+0xac/0x27c [ 54.838844][ T6875] do_one_tree+0x2c/0xf0 [ 54.839554][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 54.840443][ T6875] generic_shutdown_super+0x68/0x2b8 [ 54.841315][ T6875] kill_block_super+0x44/0x90 [ 54.842082][ T6875] ext4_kill_sb+0x68/0xa4 [ 54.842810][ T6875] deactivate_locked_super+0xc4/0x12c [ 54.843734][ T6875] deactivate_super+0xe0/0x100 [ 54.844506][ T6875] cleanup_mnt+0x31c/0x3ac [ 54.845225][ T6875] __cleanup_mnt+0x20/0x30 [ 54.845980][ T6875] task_work_run+0x1dc/0x260 [ 54.846747][ T6875] do_notify_resume+0x174/0x1f4 [ 54.847545][ T6875] el0_svc+0xb8/0x180 [ 54.848221][ T6875] el0t_64_sync_handler+0x84/0x12c [ 54.849085][ T6875] el0t_64_sync+0x198/0x19c [ 54.849821][ T6875] irq event stamp: 656678 [ 54.850533][ T6875] hardirqs last enabled at (656677): [] finish_lock_switch+0xb0/0x1c0 [ 54.852112][ T6875] hardirqs last disabled at (656678): [] el1_brk64+0x1c/0x48 [ 54.853528][ T6875] softirqs last enabled at (656522): [] local_bh_enable+0x10/0x34 [ 54.855064][ T6875] softirqs last disabled at (656520): [] local_bh_disable+0x10/0x34 [ 54.856632][ T6875] ---[ end trace 0000000000000000 ]--- [ 54.870890][ T7648] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 54.888432][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 54.888528][ T6875] ------------[ cut here ]------------ [ 54.888533][ T6875] WARNING: CPU: 1 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.893350][ T6875] Modules linked in: [ 54.893944][ T6875] CPU: 1 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.895493][ T6875] Tainted: [W]=WARN [ 54.896040][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.897418][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.898486][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.899380][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.900267][ T6875] sp : ffff80009e2a7100 [ 54.900832][ T6875] x29: ffff80009e2a7260 x28: ffff0000e54582c0 x27: 1fffe0001ca8b058 [ 54.901990][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 54.903156][ T6875] x23: ffff0000e5458298 x22: 0000000000000000 x21: dfff800000000000 [ 54.904314][ T6875] x20: ffff0000c9d5e068 x19: ffff0000c9d5e000 x18: 1fffe000337a0688 [ 54.905638][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 54.906959][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 54.908198][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 54.909497][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 54.910760][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 54.912105][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 54.913322][ T6875] Call trace: [ 54.913809][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 54.914808][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 54.915574][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 54.916381][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 54.917191][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 54.917938][ T6875] ext4_dirty_inode+0xd4/0x104 [ 54.918593][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 54.919288][ T6875] iput+0x1cc/0x83c [ 54.919818][ T6875] dentry_unlink_inode+0x384/0x45c [ 54.920601][ T6875] __dentry_kill+0x170/0x594 [ 54.921254][ T6875] shrink_kill+0xd4/0x2cc [ 54.921884][ T6875] shrink_dentry_list+0x31c/0x6cc [ 54.922611][ T6875] shrink_dcache_parent+0xac/0x27c [ 54.923375][ T6875] do_one_tree+0x2c/0xf0 [ 54.924029][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 54.924834][ T6875] generic_shutdown_super+0x68/0x2b8 [ 54.925646][ T6875] kill_block_super+0x44/0x90 [ 54.926361][ T6875] ext4_kill_sb+0x68/0xa4 [ 54.927004][ T6875] deactivate_locked_super+0xc4/0x12c [ 54.927894][ T6875] deactivate_super+0xe0/0x100 [ 54.928624][ T6875] cleanup_mnt+0x31c/0x3ac [ 54.929341][ T6875] __cleanup_mnt+0x20/0x30 [ 54.930080][ T6875] task_work_run+0x1dc/0x260 [ 54.930899][ T6875] do_notify_resume+0x174/0x1f4 [ 54.931734][ T6875] el0_svc+0xb8/0x180 [ 54.932402][ T6875] el0t_64_sync_handler+0x84/0x12c [ 54.933180][ T6875] el0t_64_sync+0x198/0x19c [ 54.933868][ T6875] irq event stamp: 661706 [ 54.934441][ T6875] hardirqs last enabled at (661705): [] exit_to_kernel_mode+0xc0/0xf0 [ 54.935817][ T6875] hardirqs last disabled at (661706): [] el1_brk64+0x1c/0x48 [ 54.937052][ T6875] softirqs last enabled at (661378): [] local_bh_enable+0x10/0x34 [ 54.938359][ T6875] softirqs last disabled at (661376): [] local_bh_disable+0x10/0x34 [ 54.939682][ T6875] ---[ end trace 0000000000000000 ]--- [ 54.962420][ T7652] loop0: detected capacity change from 0 to 1024 [ 54.988785][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 54.988874][ T6875] ------------[ cut here ]------------ [ 54.988880][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.992940][ T6875] Modules linked in: [ 54.993573][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 54.995206][ T6875] Tainted: [W]=WARN [ 54.995769][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 54.997254][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 54.998335][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 54.999282][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 55.000236][ T6875] sp : ffff80009e2a7100 [ 55.000850][ T6875] x29: ffff80009e2a7260 x28: ffff0000e51b95e0 x27: 1fffe0001ca372bc [ 55.002062][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 55.003322][ T6875] x23: ffff0000e51b95b8 x22: 0000000000000000 x21: dfff800000000000 [ 55.004523][ T6875] x20: ffff0000de352068 x19: ffff0000de352000 x18: 1fffe0003379be88 [ 55.005721][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 55.006916][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 55.008131][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 55.009280][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 55.010527][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 55.011719][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 55.012944][ T6875] Call trace: [ 55.013480][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 55.014443][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 55.015302][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 55.016182][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 55.017116][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 55.017994][ T6875] ext4_dirty_inode+0xd4/0x104 [ 55.018751][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 55.019524][ T6875] iput+0x1cc/0x83c [ 55.020180][ T6875] dentry_unlink_inode+0x384/0x45c [ 55.021019][ T6875] __dentry_kill+0x170/0x594 [ 55.021800][ T6875] shrink_kill+0xd4/0x2cc [ 55.022478][ T6875] shrink_dentry_list+0x31c/0x6cc [ 55.023251][ T6875] shrink_dcache_parent+0xac/0x27c [ 55.024095][ T6875] do_one_tree+0x2c/0xf0 [ 55.024811][ T6875] shrink_dcache_for_umount+0xa0/0x168 [ 55.025721][ T6875] generic_shutdown_super+0x68/0x2b8 [ 55.026612][ T6875] kill_block_super+0x44/0x90 [ 55.027329][ T6875] ext4_kill_sb+0x68/0xa4 [ 55.027961][ T6875] deactivate_locked_super+0xc4/0x12c [ 55.028733][ T6875] deactivate_super+0xe0/0x100 [ 55.029435][ T6875] cleanup_mnt+0x31c/0x3ac [ 55.030124][ T6875] __cleanup_mnt+0x20/0x30 [ 55.030767][ T6875] task_work_run+0x1dc/0x260 [ 55.031448][ T6875] do_notify_resume+0x174/0x1f4 [ 55.032143][ T6875] el0_svc+0xb8/0x180 [ 55.032691][ T6875] el0t_64_sync_handler+0x84/0x12c [ 55.033401][ T6875] el0t_64_sync+0x198/0x19c [ 55.034118][ T6875] irq event stamp: 666996 [ 55.034792][ T6875] hardirqs last enabled at (666995): [] exit_to_kernel_mode+0xc0/0xf0 [ 55.036292][ T6875] hardirqs last disabled at (666996): [] el1_brk64+0x1c/0x48 [ 55.037630][ T6875] softirqs last enabled at (666848): [] local_bh_enable+0x10/0x34 [ 55.039004][ T6875] softirqs last disabled at (666846): [] local_bh_disable+0x10/0x34 [ 55.040411][ T6875] ---[ end trace 0000000000000000 ]--- [ 55.054755][ T7656] loop0: detected capacity change from 0 to 1024 [ ** replaying previous printk message ** [ 55.072238][ T6875] EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting [ 55.072327][ T6875] ------------[ cut here ]------------ [ 55.072331][ T6875] WARNING: CPU: 0 PID: 6875 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0x868/0x1768 [ 55.077199][ T6875] Modules linked in: [ 55.077797][ T6875] CPU: 0 UID: 0 PID: 6875 Comm: syz-executor.0 Tainted: G W syzkaller #0 PREEMPT [ 55.079469][ T6875] Tainted: [W]=WARN [ 55.080094][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 55.081728][ T6875] pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) [ 55.082884][ T6875] pc : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 55.083960][ T6875] lr : ext4_xattr_inode_lookup_create+0x868/0x1768 [ 55.084965][ T6875] sp : ffff80009e2a7100 [ 55.085613][ T6875] x29: ffff80009e2a7260 x28: ffff0000e51b4f40 x27: 1fffe0001ca369e8 [ 55.086913][ T6875] x26: 0000000000000000 x25: 0000000000000381 x24: ffff700013c54e34 [ 55.088236][ T6875] x23: ffff0000e51b4f18 x22: 0000000000000000 x21: dfff800000000000 [ 55.089569][ T6875] x20: ffff0000cbd48068 x19: ffff0000cbd48000 x18: 1fffe0003379be88 [ 55.090877][ T6875] x17: 6572203a39363431 x16: ffff80008b007180 x15: 0000000000000001 [ 55.092185][ T6875] x14: 1ffff00013c54d70 x13: 0000000000000000 x12: 0000000000000000 [ 55.093515][ T6875] x11: ffff700013c54d71 x10: 0000000000ff0100 x9 : 775bd158c8245300 [ 55.094771][ T6875] x8 : 775bd158c8245300 x7 : ffff800080563a38 x6 : 0000000000000000 [ 55.095948][ T6875] x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de4a4 [ 55.097154][ T6875] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 [ 55.098382][ T6875] Call trace: [ 55.098882][ T6875] ext4_xattr_inode_lookup_create+0x868/0x1768 (P) [ 55.099871][ T6875] ext4_xattr_block_set+0x1bc/0x24bc [ 55.100630][ T6875] ext4_expand_extra_isize_ea+0xeb4/0x182c [ 55.101463][ T6875] __ext4_expand_extra_isize+0x2a0/0x37c [ 55.102273][ T6875] __ext4_mark_inode_dirty+0x3c0/0x6fc [ 55.103046][ T6875] ext4_dirty_inode+0xd4/0x104 [ 55.103809][ T6875] __mark_inode_dirty+0x2ac/0x10dc [ 55.104602][ T6875] iput+0x1cc/0x83c [ 55.105164][ T6875] dentry_unlink_inode+0x384/0x45c [ 55.105962][ T6875] __dentry_kill+0x170/0x594 [ 55.106665][ T6875] shrink_kill+0xd4/0x2cc [ 55.107254][ T6875] shrink_dentry_list+0x31c/0x6cc [ 55.108011][ T6875] shrink_dcache_parent+0xac/0x27c