Warning: Permanently added '10.128.1.139' (ED25519) to the list of known hosts. 2026/02/01 05:04:59 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 46.831263][ T28] audit: type=1400 audit(1769922300.340:106): avc: denied { unlink } for pid=400 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 46.864529][ T400] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 47.473046][ T28] audit: type=1401 audit(1769922300.980:107): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 47.592819][ T28] audit: type=1400 audit(1769922301.100:108): avc: denied { create } for pid=414 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 47.724778][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.732088][ T420] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.739381][ T420] device bridge_slave_0 entered promiscuous mode [ 47.746984][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.754035][ T420] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.761444][ T420] device bridge_slave_1 entered promiscuous mode [ 47.800574][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.807642][ T420] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.814946][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.821978][ T420] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.839758][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.847510][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.855180][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.864774][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.873095][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.880115][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.888543][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.896818][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.903856][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.915631][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.925682][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.938412][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.949338][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.957483][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.965092][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.974099][ T420] device veth0_vlan entered promiscuous mode [ 47.984050][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.992886][ T420] device veth1_macvtap entered promiscuous mode [ 48.002054][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.012070][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/02/01 05:05:02 executed programs: 0 [ 48.758248][ T471] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.765853][ T471] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.775334][ T471] device bridge_slave_0 entered promiscuous mode [ 48.782901][ T471] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.789975][ T471] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.797694][ T471] device bridge_slave_1 entered promiscuous mode [ 48.845399][ T471] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.852470][ T471] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.859709][ T471] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.866750][ T471] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.890171][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.897742][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.905260][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.914244][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.922559][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.929605][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.937736][ T10] device bridge_slave_1 left promiscuous mode [ 48.943942][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.951684][ T10] device bridge_slave_0 left promiscuous mode [ 48.957783][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.965692][ T10] device veth1_macvtap left promiscuous mode [ 48.972054][ T10] device veth0_vlan left promiscuous mode [ 49.035085][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.043257][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.050270][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.061655][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.070552][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.084849][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.095557][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.103599][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.111137][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.119243][ T471] device veth0_vlan entered promiscuous mode [ 49.129263][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.138283][ T471] device veth1_macvtap entered promiscuous mode [ 49.147387][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.157154][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.233372][ T483] loop2: detected capacity change from 0 to 1024 [ 49.240029][ T483] ======================================================= [ 49.240029][ T483] WARNING: The mand mount option has been deprecated and [ 49.240029][ T483] and is ignored by this kernel. Remove the mand [ 49.240029][ T483] option from the mount to silence this warning. [ 49.240029][ T483] ======================================================= [ 49.281817][ T483] EXT4-fs: Ignoring removed nobh option [ 49.287440][ T483] EXT4-fs: Ignoring removed bh option [ 49.294856][ T483] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 49.316449][ T483] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 49.325485][ T28] audit: type=1400 audit(1769922302.840:109): avc: denied { mount } for pid=481 comm="syz.2.17" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 49.347458][ T28] audit: type=1400 audit(1769922302.850:110): avc: denied { write } for pid=481 comm="syz.2.17" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 49.368994][ T28] audit: type=1400 audit(1769922302.850:111): avc: denied { add_name } for pid=481 comm="syz.2.17" name="file1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 49.390663][ T28] audit: type=1400 audit(1769922302.850:112): avc: denied { create } for pid=481 comm="syz.2.17" name="file1" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 49.411282][ T28] audit: type=1400 audit(1769922302.850:113): avc: denied { read write } for pid=481 comm="syz.2.17" name="file1" dev="loop2" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 49.433750][ T28] audit: type=1400 audit(1769922302.850:114): avc: denied { open } for pid=481 comm="syz.2.17" path="/0/file1/file1" dev="loop2" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 49.456374][ T28] audit: type=1400 audit(1769922302.850:115): avc: denied { map } for pid=481 comm="syz.2.17" path="/0/file1/file1" dev="loop2" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 49.477470][ T482] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.17: Allocating blocks 497-513 which overlap fs metadata [ 49.492813][ T482] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.17: Allocating blocks 497-513 which overlap fs metadata [ 49.523704][ T471] EXT4-fs (loop2): unmounting filesystem. [ 49.593247][ T490] loop2: detected capacity change from 0 to 1024 [ 49.600014][ T490] EXT4-fs: Ignoring removed nobh option [ 49.605774][ T490] EXT4-fs: Ignoring removed bh option [ 49.613115][ T490] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 49.632220][ T490] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 49.690182][ T489] ================================================================== [ 49.698243][ T489] BUG: KASAN: use-after-free in ext4_find_extent+0xbeb/0xe20 [ 49.705613][ T489] Read of size 4 at addr ffff888130836018 by task syz.2.18/489 [ 49.713140][ T489] [ 49.715454][ T489] CPU: 1 PID: 489 Comm: syz.2.18 Not tainted syzkaller #0 [ 49.722535][ T489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 49.732578][ T489] Call Trace: [ 49.735839][ T489] [ 49.738748][ T489] __dump_stack+0x21/0x24 [ 49.743060][ T489] dump_stack_lvl+0x110/0x170 [ 49.747716][ T489] ? __cfi_dump_stack_lvl+0x8/0x8 [ 49.752720][ T489] ? ext4_find_extent+0xbeb/0xe20 [ 49.757721][ T489] print_address_description+0x71/0x200 [ 49.763262][ T489] print_report+0x4a/0x60 [ 49.767586][ T489] kasan_report+0x122/0x150 [ 49.772168][ T489] ? ext4_find_extent+0xbeb/0xe20 [ 49.777181][ T489] __asan_report_load4_noabort+0x14/0x20 [ 49.782790][ T489] ext4_find_extent+0xbeb/0xe20 [ 49.787623][ T489] ext4_ext_map_blocks+0x207/0x61d0 [ 49.792805][ T489] ? __stack_depot_save+0x36/0x480 [ 49.797909][ T489] ? kasan_set_track+0x60/0x70 [ 49.802674][ T489] ? slab_post_alloc_hook+0x4f/0x2d0 [ 49.807940][ T489] ? kmem_cache_alloc+0x16e/0x330 [ 49.812957][ T489] ? alloc_buffer_head+0x26/0x120 [ 49.817969][ T489] ? __cfi_ext4_ext_map_blocks+0x10/0x10 [ 49.823582][ T489] ? __block_write_begin_int+0x183/0x1430 [ 49.829370][ T489] ? block_page_mkwrite+0x281/0x300 [ 49.834555][ T489] ? ext4_page_mkwrite+0x4f8/0x1310 [ 49.839743][ T489] ? wp_page_shared+0x505/0x8d0 [ 49.844577][ T489] ? ext4_es_lookup_extent+0x54c/0x900 [ 49.850018][ T489] ext4_map_blocks+0x9d8/0x1b70 [ 49.854847][ T489] ? __cfi_ext4_map_blocks+0x10/0x10 [ 49.860107][ T489] ? __slab_alloc+0x6b/0xa0 [ 49.864595][ T489] _ext4_get_block+0x1ea/0x540 [ 49.869339][ T489] ? __kasan_check_write+0x14/0x20 [ 49.874432][ T489] ? ext4_get_block+0x50/0x50 [ 49.879092][ T489] ? _raw_spin_unlock+0x4c/0x70 [ 49.883925][ T489] ? create_empty_buffers+0x484/0x4c0 [ 49.889275][ T489] ext4_get_block_unwritten+0x2e/0x100 [ 49.894710][ T489] __block_write_begin_int+0x482/0x1430 [ 49.900242][ T489] ? __kasan_check_write+0x14/0x20 [ 49.905352][ T489] ? __cfi_ext4_get_block_unwritten+0x10/0x10 [ 49.911402][ T489] ? __cfi___block_write_begin_int+0x10/0x10 [ 49.917362][ T489] ? ext4_inode_journal_mode+0x19a/0x480 [ 49.922972][ T489] block_page_mkwrite+0x281/0x300 [ 49.927974][ T489] ? __cfi_ext4_get_block_unwritten+0x10/0x10 [ 49.934028][ T489] ext4_page_mkwrite+0x4f8/0x1310 [ 49.939030][ T489] ? __cfi_ext4_get_block_unwritten+0x10/0x10 [ 49.945073][ T489] ? __cfi_ext4_page_mkwrite+0x10/0x10 [ 49.950514][ T489] ? __kasan_check_write+0x14/0x20 [ 49.955599][ T489] ? fput+0x154/0x1a0 [ 49.959572][ T489] ? fault_dirty_shared_page+0x29d/0x310 [ 49.965196][ T489] wp_page_shared+0x505/0x8d0 [ 49.969872][ T489] do_wp_page+0xde4/0xfc0 [ 49.974207][ T489] handle_mm_fault+0x1124/0x26c0 [ 49.979136][ T489] ? sg_next+0x84/0xa0 [ 49.983187][ T489] ? __cfi_handle_mm_fault+0x10/0x10 [ 49.988547][ T489] ? down_read_trylock+0x27f/0x660 [ 49.993647][ T489] ? _raw_spin_lock_irq+0x95/0xf0 [ 49.998654][ T489] ? lock_mm_and_find_vma+0x9e/0x320 [ 50.003920][ T489] ? do_user_addr_fault+0x2ee/0x1050 [ 50.009195][ T489] do_user_addr_fault+0x63b/0x1050 [ 50.014294][ T489] exc_page_fault+0x51/0xb0 [ 50.018778][ T489] asm_exc_page_fault+0x27/0x30 [ 50.023613][ T489] RIP: 0010:copy_user_enhanced_fast_string+0xa/0x40 [ 50.030184][ T489] Code: ff c9 75 f2 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 01 ca c3 8d 0c ca 89 ca eb 20 0f 01 cb 83 fa 40 72 38 89 d1 a4 31 c0 0f 01 ca c3 89 ca eb 0a 90 90 90 90 90 90 90 90 90 90 [ 50.049770][ T489] RSP: 0018:ffffc90000997a48 EFLAGS: 00050246 [ 50.055832][ T489] RAX: ffffffff82683601 RBX: 0000000000000040 RCX: 0000000000000040 [ 50.063783][ T489] RDX: 0000000000000040 RSI: ffffc90000997ae0 RDI: 00002000000c6000 [ 50.071735][ T489] RBP: ffffc90000997a70 R08: ffffc90000997b1f R09: 1ffff92000132f63 [ 50.079687][ T489] R10: dffffc0000000000 R11: fffff52000132f64 R12: 00007fffffffefc0 [ 50.087638][ T489] R13: 000000007ff6ca80 R14: 00002000000c6000 R15: ffffc90000997ae0 [ 50.095590][ T489] ? _copy_to_user+0x21/0x90 [ 50.100171][ T489] ? _copy_to_user+0x72/0x90 [ 50.104763][ T489] rng_dev_read+0x4b8/0x960 [ 50.109252][ T489] ? __cfi_rng_dev_read+0x10/0x10 [ 50.114255][ T489] ? fsnotify_perm+0x3e9/0x5b0 [ 50.119004][ T489] ? security_file_permission+0x94/0xb0 [ 50.124529][ T489] do_iter_read+0x4c5/0xb40 [ 50.129010][ T489] ? _copy_from_user+0x8f/0xc0 [ 50.133752][ T489] ? vfs_iter_read+0xa0/0xa0 [ 50.138320][ T489] ? import_iovec+0x7c/0xb0 [ 50.142803][ T489] do_preadv+0x232/0x390 [ 50.147025][ T489] ? vfs_writev+0x5f0/0x5f0 [ 50.151509][ T489] ? fpregs_restore_userregs+0x128/0x260 [ 50.157123][ T489] __x64_sys_preadv+0x9e/0xb0 [ 50.161775][ T489] x64_sys_call+0x370/0x9a0 [ 50.166257][ T489] do_syscall_64+0x4c/0xa0 [ 50.170653][ T489] ? clear_bhb_loop+0x30/0x80 [ 50.175309][ T489] ? clear_bhb_loop+0x30/0x80 [ 50.179966][ T489] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 50.185845][ T489] RIP: 0033:0x7f126939acb9 [ 50.190254][ T489] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 50.209841][ T489] RSP: 002b:00007f126a266028 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 [ 50.218254][ T489] RAX: ffffffffffffffda RBX: 00007f1269615fa0 RCX: 00007f126939acb9 [ 50.226213][ T489] RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000003 [ 50.234165][ T489] RBP: 00007f1269408bf7 R08: 0000000000000000 R09: 0000000000000000 [ 50.242143][ T489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.250090][ T489] R13: 00007f1269616038 R14: 00007f1269615fa0 R15: 00007ffd323c5c08 [ 50.258043][ T489] [ 50.261040][ T489] [ 50.263341][ T489] The buggy address belongs to the physical page: [ 50.269737][ T489] page:ffffea0004c20d80 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x130836 [ 50.279957][ T489] flags: 0x4000000000000000(zone=1) [ 50.285318][ T489] raw: 4000000000000000 ffffea0004c20d88 ffffea0004c20d88 0000000000000000 [ 50.293880][ T489] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 50.302436][ T489] page dumped because: kasan: bad access detected [ 50.308831][ T489] page_owner info is not present (never set?) [ 50.314866][ T489] [ 50.317170][ T489] Memory state around the buggy address: [ 50.322777][ T489] ffff888130835f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 50.330813][ T489] ffff888130835f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 50.338847][ T489] >ffff888130836000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 50.346964][ T489] ^ [ 50.351791][ T489] ffff888130836080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 50.359826][ T489] ffff888130836100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 50.367857][ T489] ================================================================== [ 50.377276][ T489] Disabling lock debugging due to kernel taint [ 50.384503][ T489] EXT4-fs error (device loop2): ext4_ext_split:1080: inode #15: comm syz.2.18: p_ext > EXT_MAX_EXTENT! [ 50.396171][ T489] EXT4-fs (loop2): pa ffff888124f59498: logic 688, phys. 129, len 16 [ 50.404389][ T489] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 9, pa_free 8 [ 50.421189][ T446] EXT4-fs error (device loop2): ext4_ext_split:1080: inode #15: comm kworker/u4:4: p_ext > EXT_MAX_EXTENT! [ 50.432850][ T446] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 1 with max blocks 3 with error 117 [ 50.445290][ T446] EXT4-fs (loop2): This should not happen!! Data will be lost [ 50.445290][ T446] [ 50.455422][ T43] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 668 with max blocks 1 with error 117 [ 50.468843][ T43] EXT4-fs (loop2): This should not happen!! Data will be lost [ 50.468843][ T43] [ 50.484940][ T471] EXT4-fs (loop2): unmounting filesystem. [ 50.553545][ T496] loop2: detected capacity change from 0 to 1024 [ 50.560332][ T496] EXT4-fs: Ignoring removed nobh option [ 50.577771][ T496] EXT4-fs: Ignoring removed bh option [ 50.583770][ T496] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 50.602319][ T496] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 50.699833][ T495] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.19: Allocating blocks 497-513 which overlap fs metadata [ 50.714009][ T495] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.19: Allocating blocks 497-513 which overlap fs metadata [ 50.733567][ T496] EXT4-fs (loop2): pa ffff888124f59e70: logic 800, phys. 369, len 9 [ 50.741574][ T496] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 50.764668][ T471] EXT4-fs (loop2): unmounting filesystem. [ 50.829522][ T501] loop2: detected capacity change from 0 to 1024 [ 50.836349][ T501] EXT4-fs: Ignoring removed nobh option [ 50.850874][ T501] EXT4-fs: Ignoring removed bh option [ 50.856612][ T501] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 50.888641][ T501] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 51.000201][ T500] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.20: Allocating blocks 497-513 which overlap fs metadata [ 51.014138][ T500] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.20: Allocating blocks 497-513 which overlap fs metadata [ 51.031188][ T501] EXT4-fs (loop2): pa ffff888124f59a80: logic 640, phys. 305, len 13 [ 51.039274][ T501] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 51.061856][ T471] EXT4-fs (loop2): unmounting filesystem. [ 51.129985][ T506] loop2: detected capacity change from 0 to 1024 [ 51.136832][ T506] EXT4-fs: Ignoring removed nobh option [ 51.142439][ T506] EXT4-fs: Ignoring removed bh option [ 51.148072][ T506] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 51.162315][ T506] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 51.226282][ T505] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.21: Allocating blocks 497-513 which overlap fs metadata [ 51.240193][ T505] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.21: Allocating blocks 497-513 which overlap fs metadata [ 51.257758][ T506] EXT4-fs (loop2): pa ffff888124f59000: logic 576, phys. 305, len 13 [ 51.265858][ T506] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 51.286385][ T471] EXT4-fs (loop2): unmounting filesystem. [ 51.353775][ T511] loop2: detected capacity change from 0 to 1024 [ 51.367019][ T511] EXT4-fs: Ignoring removed nobh option [ 51.378094][ T511] EXT4-fs: Ignoring removed bh option [ 51.383964][ T511] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 51.403783][ T511] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 51.416813][ T510] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.22: Allocating blocks 497-513 which overlap fs metadata [ 51.430774][ T510] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.22: Allocating blocks 497-513 which overlap fs metadata [ 51.457930][ T510] EXT4-fs (loop2): pa ffff88812cd40690: logic 400, phys. 129, len 24 [ 51.466149][ T510] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 23, pa_free 24 [ 51.486925][ T471] EXT4-fs (loop2): unmounting filesystem. [ 51.555652][ T516] loop2: detected capacity change from 0 to 1024 [ 51.568822][ T516] EXT4-fs: Ignoring removed nobh option [ 51.575529][ T516] EXT4-fs: Ignoring removed bh option [ 51.581195][ T516] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 51.602319][ T516] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 51.653798][ T516] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.23: Allocating blocks 497-513 which overlap fs metadata [ 51.702694][ T515] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.23: Allocating blocks 497-513 which overlap fs metadata [ 51.716637][ T515] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.23: Allocating blocks 497-513 which overlap fs metadata [ 51.746665][ T471] EXT4-fs (loop2): unmounting filesystem. [ 51.813806][ T521] loop2: detected capacity change from 0 to 1024 [ 51.827127][ T521] EXT4-fs: Ignoring removed nobh option [ 51.838943][ T521] EXT4-fs: Ignoring removed bh option [ 51.844850][ T521] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 51.862813][ T521] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 51.893212][ T520] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.24: Allocating blocks 497-513 which overlap fs metadata [ 51.907201][ T520] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.24: Allocating blocks 497-513 which overlap fs metadata [ 51.921492][ T520] EXT4-fs (loop2): pa ffff88812cc760a8: logic 400, phys. 129, len 24 [ 51.929551][ T520] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 22, pa_free 23 [ 51.950404][ T471] EXT4-fs (loop2): unmounting filesystem. [ 52.017621][ T526] loop2: detected capacity change from 0 to 1024 [ 52.041148][ T526] EXT4-fs: Ignoring removed nobh option [ 52.046716][ T526] EXT4-fs: Ignoring removed bh option [ 52.056710][ T526] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 52.082817][ T526] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 52.171689][ T525] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.25: Allocating blocks 497-513 which overlap fs metadata [ 52.185608][ T525] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.25: Allocating blocks 497-513 which overlap fs metadata [ 52.203090][ T526] EXT4-fs (loop2): pa ffff88812cd40540: logic 928, phys. 289, len 14 [ 52.211189][ T526] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 52.233887][ T471] EXT4-fs (loop2): unmounting filesystem. [ 52.300268][ T531] loop2: detected capacity change from 0 to 1024 [ 52.307957][ T531] EXT4-fs: Ignoring removed nobh option [ 52.313708][ T531] EXT4-fs: Ignoring removed bh option [ 52.329933][ T531] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 52.352534][ T531] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 52.450960][ T530] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.26: Allocating blocks 497-513 which overlap fs metadata [ 52.464906][ T530] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.26: Allocating blocks 497-513 which overlap fs metadata [ 52.483400][ T531] EXT4-fs (loop2): pa ffff88812cc76dc8: logic 960, phys. 465, len 3 [ 52.491410][ T531] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 52.513909][ T471] EXT4-fs (loop2): unmounting filesystem. [ 52.585134][ T536] EXT4-fs: Ignoring removed nobh option [ 52.590740][ T536] EXT4-fs: Ignoring removed bh option [ 52.597564][ T536] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 52.611889][ T536] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 52.658555][ T535] EXT4-fs error (device loop2): ext4_ext_split:1080: inode #15: comm syz.2.27: p_ext > EXT_MAX_EXTENT! [ 52.669808][ T535] EXT4-fs (loop2): pa ffff88812cd6d000: logic 624, phys. 129, len 12 [ 52.677891][ T535] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 7, pa_free 6 [ 52.691683][ T304] EXT4-fs error (device loop2): ext4_ext_split:1080: inode #15: comm kworker/u4:3: p_ext > EXT_MAX_EXTENT! [ 52.703346][ T304] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 1 with max blocks 3 with error 117 [ 52.715601][ T304] EXT4-fs (loop2): This should not happen!! Data will be lost [ 52.715601][ T304] [ 52.725663][ T43] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 600 with max blocks 1 with error 117 [ 52.738204][ T43] EXT4-fs (loop2): This should not happen!! Data will be lost [ 52.738204][ T43] [ 52.754485][ T471] EXT4-fs (loop2): unmounting filesystem. [ 52.822959][ T541] EXT4-fs: Ignoring removed nobh option [ 52.829112][ T541] EXT4-fs: Ignoring removed bh option [ 52.835069][ T541] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 52.852114][ T541] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 52.951818][ T540] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.28: Allocating blocks 497-513 which overlap fs metadata [ 52.965696][ T540] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.28: Allocating blocks 497-513 which overlap fs metadata [ 52.982553][ T540] EXT4-fs (loop2): pa ffff88812cc76540: logic 992, phys. 481, len 2 [ 52.990529][ T540] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 53.012134][ T471] EXT4-fs (loop2): unmounting filesystem. [ 53.089067][ T546] EXT4-fs: Ignoring removed nobh option [ 53.094685][ T546] EXT4-fs: Ignoring removed bh option [ 53.101100][ T546] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 53.122153][ T546] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 53.221342][ T545] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.29: Allocating blocks 497-513 which overlap fs metadata [ 53.235299][ T545] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.29: Allocating blocks 497-513 which overlap fs metadata [ 53.264667][ T471] EXT4-fs (loop2): unmounting filesystem. [ 53.336290][ T551] EXT4-fs: Ignoring removed nobh option [ 53.341927][ T551] EXT4-fs: Ignoring removed bh option [ 53.352029][ T551] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 53.371980][ T551] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 53.475301][ T550] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.30: Allocating blocks 497-513 which overlap fs metadata [ 53.489264][ T550] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.30: Allocating blocks 497-513 which overlap fs metadata [ 53.506228][ T551] EXT4-fs (loop2): pa ffff888124cc7c78: logic 896, phys. 433, len 5 [ 53.514267][ T551] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 53.536383][ T471] EXT4-fs (loop2): unmounting filesystem. [ 53.617106][ T556] EXT4-fs: Ignoring removed nobh option [ 53.622719][ T556] EXT4-fs: Ignoring removed bh option [ 53.628506][ T556] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 53.642233][ T556] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 53.732635][ T555] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.31: Allocating blocks 497-513 which overlap fs metadata [ 53.746523][ T555] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.31: Allocating blocks 497-513 which overlap fs metadata [ 53.763547][ T556] EXT4-fs (loop2): pa ffff88812cd6d738: logic 832, phys. 401, len 7 [ 53.771543][ T556] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 2026/02/01 05:05:07 executed programs: 17 [ 53.793163][ T471] EXT4-fs (loop2): unmounting filesystem. [ 53.860929][ T561] EXT4-fs: Ignoring removed nobh option [ 53.866546][ T561] EXT4-fs: Ignoring removed bh option [ 53.876900][ T561] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 53.892065][ T561] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 53.982572][ T560] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.32: Allocating blocks 497-513 which overlap fs metadata [ 53.996474][ T560] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.32: Allocating blocks 497-513 which overlap fs metadata [ 54.013966][ T561] EXT4-fs (loop2): pa ffff88812cd6d888: logic 896, phys. 433, len 5 [ 54.021985][ T561] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 54.044063][ T471] EXT4-fs (loop2): unmounting filesystem. [ 54.111053][ T566] EXT4-fs: Ignoring removed nobh option [ 54.116665][ T566] EXT4-fs: Ignoring removed bh option [ 54.122540][ T566] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 54.141634][ T566] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 54.204372][ T565] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.33: Allocating blocks 497-513 which overlap fs metadata [ 54.218325][ T565] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.33: Allocating blocks 497-513 which overlap fs metadata [ 54.235880][ T566] EXT4-fs (loop2): pa ffff888124cc7930: logic 576, phys. 305, len 13 [ 54.243988][ T566] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 54.263966][ T471] EXT4-fs (loop2): unmounting filesystem. [ 54.329430][ T571] set_capacity_and_notify: 7 callbacks suppressed [ 54.329446][ T571] loop2: detected capacity change from 0 to 1024 [ 54.342573][ T571] EXT4-fs: Ignoring removed nobh option [ 54.348162][ T571] EXT4-fs: Ignoring removed bh option [ 54.354111][ T571] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 54.372076][ T571] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 54.415132][ T570] EXT4-fs error (device loop2): ext4_ext_split:1080: inode #15: comm syz.2.34: p_ext > EXT_MAX_EXTENT! [ 54.426363][ T570] EXT4-fs (loop2): pa ffff88812cd6d540: logic 688, phys. 129, len 16 [ 54.434470][ T570] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 11, pa_free 10 [ 54.448550][ T304] EXT4-fs error (device loop2): ext4_ext_split:1080: inode #15: comm kworker/u4:3: p_ext > EXT_MAX_EXTENT! [ 54.460215][ T304] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 1 with max blocks 3 with error 117 [ 54.472740][ T304] EXT4-fs (loop2): This should not happen!! Data will be lost [ 54.472740][ T304] [ 54.483160][ T304] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 668 with max blocks 1 with error 117 [ 54.495675][ T304] EXT4-fs (loop2): This should not happen!! Data will be lost [ 54.495675][ T304] [ 54.511584][ T471] EXT4-fs (loop2): unmounting filesystem. [ 54.579991][ T576] loop2: detected capacity change from 0 to 1024 [ 54.586831][ T576] EXT4-fs: Ignoring removed nobh option [ 54.592553][ T576] EXT4-fs: Ignoring removed bh option [ 54.598211][ T576] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 54.612019][ T576] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 54.679469][ T575] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.35: Allocating blocks 497-513 which overlap fs metadata [ 54.693358][ T575] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.35: Allocating blocks 497-513 which overlap fs metadata [ 54.710647][ T576] EXT4-fs (loop2): pa ffff8881170c4888: logic 608, phys. 337, len 11 [ 54.718925][ T576] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 54.738932][ T471] EXT4-fs (loop2): unmounting filesystem. [ 54.811028][ T581] loop2: detected capacity change from 0 to 1024 [ 54.818802][ T581] EXT4-fs: Ignoring removed nobh option [ 54.824550][ T581] EXT4-fs: Ignoring removed bh option [ 54.830307][ T581] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 54.852276][ T581] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 54.955871][ T580] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.36: Allocating blocks 497-513 which overlap fs metadata [ 54.969956][ T580] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.36: Allocating blocks 497-513 which overlap fs metadata [ 54.987777][ T580] EXT4-fs (loop2): pa ffff888124cc7a80: logic 864, phys. 417, len 6 [ 54.995813][ T580] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 55.018674][ T471] EXT4-fs (loop2): unmounting filesystem. [ 55.091072][ T586] loop2: detected capacity change from 0 to 1024 [ 55.099032][ T586] EXT4-fs: Ignoring removed nobh option [ 55.104776][ T586] EXT4-fs: Ignoring removed bh option [ 55.111207][ T586] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 55.131996][ T586] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 55.182544][ T585] EXT4-fs error (device loop2): ext4_ext_split:1080: inode #15: comm syz.2.37: p_ext > EXT_MAX_EXTENT! [ 55.193792][ T585] EXT4-fs (loop2): pa ffff88812ce68b28: logic 688, phys. 129, len 16 [ 55.201876][ T585] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 11, pa_free 10 [ 55.216788][ T304] EXT4-fs error (device loop2): ext4_ext_split:1080: inode #15: comm kworker/u4:3: p_ext > EXT_MAX_EXTENT! [ 55.228372][ T304] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 1 with max blocks 3 with error 117 [ 55.240631][ T304] EXT4-fs (loop2): This should not happen!! Data will be lost [ 55.240631][ T304] [ 55.250678][ T446] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 660 with max blocks 1 with error 117 [ 55.263327][ T446] EXT4-fs (loop2): This should not happen!! Data will be lost [ 55.263327][ T446] [ 55.279219][ T471] EXT4-fs (loop2): unmounting filesystem. [ 55.347995][ T591] loop2: detected capacity change from 0 to 1024 [ 55.361691][ T591] EXT4-fs: Ignoring removed nobh option [ 55.367256][ T591] EXT4-fs: Ignoring removed bh option [ 55.373153][ T591] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 55.392177][ T591] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 55.448280][ T590] EXT4-fs error (device loop2): ext4_ext_split:1080: inode #15: comm syz.2.38: p_ext > EXT_MAX_EXTENT! [ 55.459559][ T590] EXT4-fs (loop2): pa ffff8881170f5150: logic 624, phys. 129, len 12 [ 55.468133][ T590] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 7, pa_free 6 [ 55.482769][ T446] EXT4-fs error (device loop2): ext4_ext_split:1080: inode #15: comm kworker/u4:4: p_ext > EXT_MAX_EXTENT! [ 55.494395][ T446] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 1 with max blocks 3 with error 117 [ 55.506961][ T446] EXT4-fs (loop2): This should not happen!! Data will be lost [ 55.506961][ T446] [ 55.517259][ T446] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 596 with max blocks 1 with error 117 [ 55.529791][ T446] EXT4-fs (loop2): This should not happen!! Data will be lost [ 55.529791][ T446] [ 55.545899][ T471] EXT4-fs (loop2): unmounting filesystem. [ 55.613289][ T596] loop2: detected capacity change from 0 to 1024 [ 55.626377][ T596] EXT4-fs: Ignoring removed nobh option [ 55.637496][ T596] EXT4-fs: Ignoring removed bh option [ 55.643341][ T596] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 55.662838][ T596] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 55.681685][ T595] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.39: Allocating blocks 497-513 which overlap fs metadata [ 55.695662][ T595] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.39: Allocating blocks 497-513 which overlap fs metadata [ 55.722783][ T595] EXT4-fs (loop2): pa ffff88812ce68498: logic 400, phys. 129, len 24 [ 55.730895][ T595] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 23, pa_free 24 [ 55.751125][ T471] EXT4-fs (loop2): unmounting filesystem. [ 55.820856][ T601] loop2: detected capacity change from 0 to 1024 [ 55.837037][ T601] EXT4-fs: Ignoring removed nobh option [ 55.842854][ T601] EXT4-fs: Ignoring removed bh option [ 55.848587][ T601] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 55.862091][ T601] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 55.904709][ T600] EXT4-fs error (device loop2): ext4_ext_split:1080: inode #15: comm syz.2.40: p_ext > EXT_MAX_EXTENT! [ 55.915963][ T600] EXT4-fs (loop2): pa ffff88812ce68dc8: logic 688, phys. 129, len 16 [ 55.924062][ T600] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 11, pa_free 10 [ 55.938122][ T446] EXT4-fs error (device loop2): ext4_ext_split:1080: inode #15: comm kworker/u4:4: p_ext > EXT_MAX_EXTENT! [ 55.949978][ T446] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 1 with max blocks 3 with error 117 [ 55.962271][ T446] EXT4-fs (loop2): This should not happen!! Data will be lost [ 55.962271][ T446] [ 55.972378][ T304] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 664 with max blocks 1 with error 117 [ 55.985123][ T304] EXT4-fs (loop2): This should not happen!! Data will be lost [ 55.985123][ T304] [ 56.001230][ T471] EXT4-fs (loop2): unmounting filesystem. [ 56.070902][ T606] loop2: detected capacity change from 0 to 1024 [ 56.077636][ T606] EXT4-fs: Ignoring removed nobh option [ 56.083519][ T606] EXT4-fs: Ignoring removed bh option [ 56.089263][ T606] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 56.121640][ T606] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 56.163068][ T606] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.41: Allocating blocks 497-513 which overlap fs metadata [ 56.213608][ T605] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.41: Allocating blocks 497-513 which overlap fs metadata [ 56.227574][ T605] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.41: Allocating blocks 497-513 which overlap fs metadata [ 56.258105][ T471] EXT4-fs (loop2): unmounting filesystem. [ 56.330111][ T611] loop2: detected capacity change from 0 to 1024 [ 56.338049][ T611] EXT4-fs: Ignoring removed nobh option [ 56.343879][ T611] EXT4-fs: Ignoring removed bh option [ 56.350907][ T611] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 56.372845][ T611] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 56.461167][ T610] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.42: Allocating blocks 497-513 which overlap fs metadata [ 56.475125][ T610] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.42: Allocating blocks 497-513 which overlap fs metadata [ 56.493447][ T611] EXT4-fs (loop2): pa ffff8881170f52a0: logic 896, phys. 433, len 5 [ 56.501462][ T611] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 56.523412][ T471] EXT4-fs (loop2): unmounting filesystem. [ 56.593845][ T616] loop2: detected capacity change from 0 to 1024 [ 56.600558][ T616] EXT4-fs: Ignoring removed nobh option [ 56.606328][ T616] EXT4-fs: Ignoring removed bh option [ 56.617882][ T616] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 56.633155][ T616] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 56.688790][ T616] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.43: Allocating blocks 497-513 which overlap fs metadata [ 56.747321][ T615] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.43: Allocating blocks 497-513 which overlap fs metadata [ 56.761316][ T615] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.43: Allocating blocks 497-513 which overlap fs metadata [ 56.791273][ T471] EXT4-fs (loop2): unmounting filesystem. [ 56.861105][ T621] EXT4-fs: Ignoring removed nobh option [ 56.866681][ T621] EXT4-fs: Ignoring removed bh option [ 56.872394][ T621] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 56.892743][ T621] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 56.979480][ T620] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.44: Allocating blocks 497-513 which overlap fs metadata [ 56.993433][ T620] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.44: Allocating blocks 497-513 which overlap fs metadata [ 57.022113][ T471] EXT4-fs (loop2): unmounting filesystem. [ 57.107385][ T626] EXT4-fs: Ignoring removed nobh option [ 57.113000][ T626] EXT4-fs: Ignoring removed bh option [ 57.118621][ T626] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 57.142181][ T626] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 57.252285][ T625] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.45: Allocating blocks 497-513 which overlap fs metadata [ 57.266204][ T625] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.45: Allocating blocks 497-513 which overlap fs metadata [ 57.283229][ T626] EXT4-fs (loop2): pa ffff888117362690: logic 928, phys. 273, len 15 [ 57.291319][ T626] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 57.313155][ T471] EXT4-fs (loop2): unmounting filesystem. [ 57.399803][ T631] EXT4-fs: Ignoring removed nobh option [ 57.405443][ T631] EXT4-fs: Ignoring removed bh option [ 57.411220][ T631] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 57.433013][ T631] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 57.541737][ T630] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.46: Allocating blocks 497-513 which overlap fs metadata [ 57.555640][ T630] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.46: Allocating blocks 497-513 which overlap fs metadata [ 57.573679][ T631] EXT4-fs (loop2): pa ffff8881173622a0: logic 976, phys. 273, len 15 [ 57.581769][ T631] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 57.604281][ T471] EXT4-fs (loop2): unmounting filesystem. [ 57.680572][ T636] EXT4-fs: Ignoring removed nobh option [ 57.690368][ T636] EXT4-fs: Ignoring removed bh option [ 57.696065][ T636] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 57.712232][ T636] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 57.827576][ T635] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.47: Allocating blocks 497-513 which overlap fs metadata [ 57.841491][ T635] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.47: Allocating blocks 497-513 which overlap fs metadata [ 57.859094][ T636] EXT4-fs (loop2): pa ffff88812ceaf498: logic 880, phys. 273, len 15 [ 57.867195][ T636] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 57.889341][ T471] EXT4-fs (loop2): unmounting filesystem. [ 57.961273][ T641] EXT4-fs: Ignoring removed nobh option [ 57.966896][ T641] EXT4-fs: Ignoring removed bh option [ 57.972897][ T641] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 57.991824][ T641] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 58.107104][ T640] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.48: Allocating blocks 497-513 which overlap fs metadata [ 58.121260][ T640] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.48: Allocating blocks 497-513 which overlap fs metadata [ 58.138791][ T640] EXT4-fs (loop2): pa ffff8881173629d8: logic 864, phys. 417, len 6 [ 58.146793][ T640] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 58.168565][ T471] EXT4-fs (loop2): unmounting filesystem. [ 58.237050][ T646] EXT4-fs: Ignoring removed nobh option [ 58.242905][ T646] EXT4-fs: Ignoring removed bh option [ 58.248474][ T646] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 58.325269][ T645] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.49: Allocating blocks 497-513 which overlap fs metadata [ 58.339140][ T645] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.49: Allocating blocks 497-513 which overlap fs metadata [ 58.356291][ T646] EXT4-fs (loop2): pa ffff88812ceafbd0: logic 576, phys. 305, len 13 [ 58.364377][ T646] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 58.449164][ T651] EXT4-fs: Ignoring removed nobh option [ 58.454808][ T651] EXT4-fs: Ignoring removed bh option [ 58.460583][ T651] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 58.573870][ T650] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.50: Allocating blocks 497-513 which overlap fs metadata [ 58.587810][ T650] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.50: Allocating blocks 497-513 which overlap fs metadata [ 58.604995][ T651] EXT4-fs (loop2): pa ffff88812cd35888: logic 480, phys. 209, len 19 [ 58.613090][ T651] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 58.704854][ T656] EXT4-fs: Ignoring removed nobh option [ 58.710449][ T656] EXT4-fs: Ignoring removed bh option [ 58.716817][ T656] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 58.763772][ T655] EXT4-fs error (device loop2): ext4_ext_split:1080: inode #15: comm syz.2.51: p_ext > EXT_MAX_EXTENT! [ 58.778905][ T10] EXT4-fs error (device loop2): ext4_ext_split:1080: inode #15: comm kworker/u4:1: p_ext > EXT_MAX_EXTENT! [ 58.790610][ T10] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 1 with max blocks 3 with error 117 [ 58.802882][ T10] EXT4-fs (loop2): This should not happen!! Data will be lost [ 58.802882][ T10] [ 58.812894][ T446] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 596 with max blocks 1 with error 117 [ 58.825319][ T446] EXT4-fs (loop2): This should not happen!! Data will be lost [ 58.825319][ T446] [ 58.902899][ T661] EXT4-fs: Ignoring removed nobh option [ 58.908696][ T661] EXT4-fs: Ignoring removed bh option [ 58.914559][ T661] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 58.966918][ T660] EXT4-fs error (device loop2): ext4_ext_split:1080: inode #15: comm syz.2.52: p_ext > EXT_MAX_EXTENT! [ 58.978154][ T660] EXT4-fs (loop2): pa ffff88812cd35690: logic 688, phys. 129, len 16 [ 58.986303][ T660] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 11, pa_free 10 [ 59.001154][ T446] EXT4-fs error (device loop2): ext4_ext_split:1080: inode #15: comm kworker/u4:4: p_ext > EXT_MAX_EXTENT! 2026/02/01 05:05:12 executed programs: 38 [ 59.012731][ T446] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 1 with max blocks 3 with error 117 [ 59.024981][ T446] EXT4-fs (loop2): This should not happen!! Data will be lost [ 59.024981][ T446] [ 59.035055][ T10] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 656 with max blocks 1 with error 117 [ 59.047729][ T10] EXT4-fs (loop2): This should not happen!! Data will be lost [ 59.047729][ T10] [ 59.133849][ T666] EXT4-fs: Ignoring removed nobh option [ 59.139421][ T666] EXT4-fs: Ignoring removed bh option [ 59.150772][ T666] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 59.245946][ T665] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.53: Allocating blocks 497-513 which overlap fs metadata [ 59.259923][ T665] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.53: Allocating blocks 497-513 which overlap fs metadata [ 59.350441][ T671] set_capacity_and_notify: 10 callbacks suppressed [ 59.350457][ T671] loop2: detected capacity change from 0 to 1024 [ 59.366303][ T671] EXT4-fs: Ignoring removed nobh option [ 59.372001][ T671] EXT4-fs: Ignoring removed bh option [ 59.377574][ T671] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 59.456292][ T670] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.54: Allocating blocks 497-513 which overlap fs metadata [ 59.470430][ T670] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3852: comm syz.2.54: Allocating blocks 497-513 which overlap fs metadata [ 59.487302][ T671] EXT4-fs (loop2): pa ffff888117272a80: logic 528, phys. 257, len 16 [ 59.495425][ T671] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4892: group 0, free 0, pa_free 1 [ 59.581632][ T676] loop2: detected capacity change from 0 to 1024 [ 59.608636][ T676] EXT4-fs: Ignoring removed nobh option [ 59.614311][ T676] EXT4-fs: Ignoring removed bh option [ 59.619923][ T676] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE