Warning: Permanently added '10.128.0.188' (ED25519) to the list of known hosts. 2026/05/06 06:17:56 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 43.132976][ T30] audit: type=1400 audit(1778048277.650:105): avc: denied { unlink } for pid=411 comm="syz-executor" name="swap-file" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 43.176562][ T411] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 43.820404][ T437] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.827676][ T437] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.835225][ T437] device bridge_slave_0 entered promiscuous mode [ 43.842615][ T437] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.855283][ T437] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.862762][ T437] device bridge_slave_1 entered promiscuous mode [ 43.894813][ T437] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.901853][ T437] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.909112][ T437] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.916151][ T437] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.931670][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.939653][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.947248][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.956388][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.964584][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.971598][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.979885][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.988067][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.995103][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.005933][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.016105][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.028667][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.040979][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.049827][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.057449][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.065216][ T437] device veth0_vlan entered promiscuous mode [ 44.076428][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.085781][ T437] device veth1_macvtap entered promiscuous mode [ 44.094463][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.104174][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.205574][ T30] audit: type=1401 audit(1778048278.720:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 44.248296][ T30] audit: type=1400 audit(1778048278.760:107): avc: denied { create } for pid=453 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 2026/05/06 06:17:59 executed programs: 0 [ 44.661034][ T476] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.668285][ T476] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.675917][ T476] device bridge_slave_0 entered promiscuous mode [ 44.682900][ T476] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.690043][ T476] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.697510][ T476] device bridge_slave_1 entered promiscuous mode [ 44.737703][ T476] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.744912][ T476] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.752545][ T476] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.759660][ T476] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.777322][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.784835][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.793096][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.801348][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.809521][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.816563][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.830246][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.839511][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.851396][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.862829][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.870748][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.878435][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.886895][ T476] device veth0_vlan entered promiscuous mode [ 44.896827][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.905734][ T476] device veth1_macvtap entered promiscuous mode [ 44.914509][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.924138][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.947161][ T482] loop2: detected capacity change from 0 to 1024 [ 45.004571][ T482] ======================================================= [ 45.004571][ T482] WARNING: The mand mount option has been deprecated and [ 45.004571][ T482] and is ignored by this kernel. Remove the mand [ 45.004571][ T482] option from the mount to silence this warning. [ 45.004571][ T482] ======================================================= [ 45.044022][ T482] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 45.054946][ T30] audit: type=1400 audit(1778048279.570:108): 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 [ 45.071828][ T482] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.17: Allocating blocks 497-513 which overlap fs metadata [ 45.076644][ T30] audit: type=1400 audit(1778048279.570:109): 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 [ 45.091414][ T482] EXT4-fs (loop2): pa ffff8881216897e0: logic 256, phys. 385, len 8 [ 45.111772][ T30] audit: type=1400 audit(1778048279.570:110): avc: denied { add_name } for pid=481 comm="syz.2.17" name="memory.stat" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 45.119754][ T482] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 45.141051][ T30] audit: type=1400 audit(1778048279.570:111): avc: denied { create } for pid=481 comm="syz.2.17" name="memory.stat" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 45.171088][ T30] audit: type=1400 audit(1778048279.570:112): avc: denied { read append open } for pid=481 comm="syz.2.17" path="/0/file1/memory.stat" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 45.195088][ T30] audit: type=1400 audit(1778048279.690:113): avc: denied { write } for pid=481 comm="syz.2.17" name="memory.stat" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 45.198386][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 2377284000, count = 0 [ 45.217204][ T30] audit: type=1400 audit(1778048279.690:114): avc: denied { mounton } for pid=481 comm="syz.2.17" path="/0/file1/bus" dev="loop2" ino=19 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 45.254279][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 133506919324288, count = 16 [ 45.269321][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 133506919303962, count = 20330 [ 45.329079][ T488] loop2: detected capacity change from 0 to 1024 [ 45.394728][ T488] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 45.413379][ T488] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.18: Allocating blocks 497-513 which overlap fs metadata [ 45.427623][ T488] EXT4-fs (loop2): pa ffff88812d904498: logic 256, phys. 385, len 8 [ 45.435740][ T488] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 45.450779][ T476] ================================================================== [ 45.458874][ T476] BUG: KASAN: use-after-free in ext4_ext_remove_space+0x3496/0x40d0 [ 45.466853][ T476] Read of size 4 at addr ffff8881289c8db8 by task syz-executor/476 [ 45.474730][ T476] [ 45.477042][ T476] CPU: 0 PID: 476 Comm: syz-executor Not tainted syzkaller #0 [ 45.484651][ T476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 45.494697][ T476] Call Trace: [ 45.497964][ T476] [ 45.500874][ T476] __dump_stack+0x21/0x30 [ 45.505187][ T476] dump_stack_lvl+0x110/0x170 [ 45.509860][ T476] ? show_regs_print_info+0x20/0x20 [ 45.515032][ T476] ? load_image+0x3e0/0x3e0 [ 45.519510][ T476] print_address_description+0x7f/0x2c0 [ 45.525057][ T476] ? ext4_ext_remove_space+0x3496/0x40d0 [ 45.530670][ T476] kasan_report+0xf1/0x140 [ 45.535062][ T476] ? __read_extent_tree_block+0x1e8/0x790 [ 45.540761][ T476] ? ext4_ext_remove_space+0x3496/0x40d0 [ 45.546372][ T476] __asan_report_load4_noabort+0x14/0x20 [ 45.551992][ T476] ext4_ext_remove_space+0x3496/0x40d0 [ 45.557431][ T476] ? ext4_es_insert_extent+0x2d60/0x2d60 [ 45.563039][ T476] ? _raw_write_lock+0x94/0xf0 [ 45.567786][ T476] ? ext4_da_release_space+0x1d6/0x480 [ 45.573247][ T476] ? ext4_ext_index_trans_blocks+0x100/0x100 [ 45.579300][ T476] ext4_ext_truncate+0x1a3/0x250 [ 45.584220][ T476] ext4_truncate+0x9be/0xfb0 [ 45.588787][ T476] ? __ext4_mark_inode_dirty+0x610/0x610 [ 45.594393][ T476] ext4_evict_inode+0xcc5/0x1460 [ 45.599304][ T476] ? _raw_spin_unlock+0x4d/0x70 [ 45.604148][ T476] ? ext4_inode_is_fast_symlink+0x3a0/0x3a0 [ 45.610017][ T476] ? _raw_spin_unlock+0x4d/0x70 [ 45.614850][ T476] ? inode_io_list_del+0x19b/0x1b0 [ 45.619967][ T476] ? ext4_inode_is_fast_symlink+0x3a0/0x3a0 [ 45.625836][ T476] evict+0x4c9/0x8d0 [ 45.629798][ T476] ? proc_nr_inodes+0x310/0x310 [ 45.634716][ T476] ? _raw_spin_lock+0x94/0xf0 [ 45.639462][ T476] ? _raw_spin_trylock_bh+0x150/0x150 [ 45.644808][ T476] ? iput+0x28e/0x7c0 [ 45.648858][ T476] ? __kasan_check_write+0x14/0x20 [ 45.653953][ T476] iput+0x635/0x7c0 [ 45.657879][ T476] do_unlinkat+0x380/0x6d0 [ 45.662293][ T476] ? fsnotify_link_count+0x100/0x100 [ 45.667577][ T476] ? getname_flags+0x206/0x500 [ 45.672320][ T476] __x64_sys_unlink+0x49/0x50 [ 45.676980][ T476] x64_sys_call+0x878/0x9a0 [ 45.681464][ T476] do_syscall_64+0x4c/0xa0 [ 45.685874][ T476] ? clear_bhb_loop+0x50/0xa0 [ 45.690534][ T476] ? clear_bhb_loop+0x50/0xa0 [ 45.695188][ T476] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 45.701191][ T476] RIP: 0033:0x7f2e312fefa7 [ 45.705588][ T476] Code: 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 45.725173][ T476] RSP: 002b:00007ffe6894ed18 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 [ 45.733563][ T476] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2e312fefa7 [ 45.741512][ T476] RDX: 00007ffe6894ed40 RSI: 00007ffe6894edd0 RDI: 00007ffe6894edd0 [ 45.749482][ T476] RBP: 00007ffe6894edd0 R08: 00007ffe6894fdd0 R09: 00000000ffffffff [ 45.757434][ T476] R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffe6894fec0 [ 45.765382][ T476] R13: 00007f2e3136971f R14: 000000000000b14e R15: 00007ffe68950f90 [ 45.773336][ T476] [ 45.776334][ T476] [ 45.778636][ T476] The buggy address belongs to the page: [ 45.784243][ T476] page:ffffea0004a27200 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x1289c8 [ 45.794453][ T476] flags: 0x4000000000000000(zone=1) [ 45.799643][ T476] raw: 4000000000000000 ffffea0004a271c8 ffffea0004a27248 0000000000000000 [ 45.808199][ T476] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 45.816753][ T476] page dumped because: kasan: bad access detected [ 45.823142][ T476] page_owner tracks the page as freed [ 45.828482][ T476] page last allocated via order 0, migratetype Movable, gfp_mask 0x101cca(GFP_HIGHUSER_MOVABLE|__GFP_WRITE), pid 482, ts 45069801509, free_ts 45174374339 [ 45.843915][ T476] post_alloc_hook+0x192/0x1b0 [ 45.848659][ T476] prep_new_page+0x1c/0x110 [ 45.853143][ T476] get_page_from_freelist+0x2d3a/0x2dc0 [ 45.858664][ T476] __alloc_pages+0x1a2/0x460 [ 45.863245][ T476] pagecache_get_page+0xac6/0xde0 [ 45.868254][ T476] grab_cache_page_write_begin+0x59/0xb0 [ 45.873863][ T476] ext4_write_begin+0x2a0/0x12e0 [ 45.878777][ T476] ext4_da_write_begin+0x321/0xbf0 [ 45.883868][ T476] generic_perform_write+0x2b7/0x690 [ 45.889131][ T476] ext4_buffered_write_iter+0x4ed/0x670 [ 45.894739][ T476] ext4_file_write_iter+0x440/0x1540 [ 45.900003][ T476] vfs_write+0x835/0xfd0 [ 45.904233][ T476] ksys_write+0x149/0x250 [ 45.908535][ T476] __x64_sys_write+0x7b/0x90 [ 45.913118][ T476] x64_sys_call+0x8ef/0x9a0 [ 45.917593][ T476] do_syscall_64+0x4c/0xa0 [ 45.921981][ T476] page last free stack trace: [ 45.926715][ T476] free_unref_page_prepare+0x542/0x550 [ 45.932177][ T476] free_unref_page_list+0x13a/0x9d0 [ 45.937349][ T476] release_pages+0x1006/0x1060 [ 45.942089][ T476] __pagevec_release+0x71/0xe0 [ 45.946828][ T476] truncate_inode_pages_range+0x34c/0xe00 [ 45.952526][ T476] truncate_pagecache+0x6c/0x90 [ 45.957348][ T476] ext4_setattr+0xe58/0x1980 [ 45.961921][ T476] notify_change+0xbca/0xe90 [ 45.966495][ T476] do_sys_ftruncate+0x5bf/0x840 [ 45.971327][ T476] __x64_sys_ftruncate+0x60/0x70 [ 45.976237][ T476] x64_sys_call+0x52/0x9a0 [ 45.980628][ T476] do_syscall_64+0x4c/0xa0 [ 45.985047][ T476] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 45.990920][ T476] [ 45.993219][ T476] Memory state around the buggy address: [ 45.998825][ T476] ffff8881289c8c80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 46.006874][ T476] ffff8881289c8d00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 46.014918][ T476] >ffff8881289c8d80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 46.022953][ T476] ^ [ 46.028818][ T476] ffff8881289c8e00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 46.036863][ T476] ffff8881289c8e80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 46.044903][ T476] ================================================================== [ 46.052942][ T476] Disabling lock debugging due to kernel taint [ 46.110635][ T492] loop2: detected capacity change from 0 to 1024 [ 46.123679][ T492] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 46.142613][ T492] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.19: Allocating blocks 497-513 which overlap fs metadata [ 46.157573][ T492] EXT4-fs (loop2): pa ffff88812da17498: logic 256, phys. 385, len 8 [ 46.165594][ T492] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 46.259630][ T496] loop2: detected capacity change from 0 to 1024 [ 46.315107][ T496] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 46.333959][ T496] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.20: Allocating blocks 497-513 which overlap fs metadata [ 46.348428][ T496] EXT4-fs (loop2): pa ffff88812d904dc8: logic 256, phys. 385, len 8 [ 46.356507][ T496] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 46.375149][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 2432777520, count = 16 [ 46.389703][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 2432761857, count = 15673 [ 46.404419][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 2336462209024, count = 4576 [ 46.420004][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 1, count = 0 [ 46.433997][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 0, count = 16 [ 46.452102][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 156010392075577, count = 13472 [ 46.467258][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 141287279832560, count = 16 [ 46.482093][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 141287279825376, count = 7192 [ 46.569284][ T338] device bridge_slave_1 left promiscuous mode [ 46.570712][ T500] loop2: detected capacity change from 0 to 1024 [ 46.575982][ T338] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.590719][ T338] device bridge_slave_0 left promiscuous mode [ 46.596975][ T338] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.605319][ T338] device veth1_macvtap left promiscuous mode [ 46.611349][ T338] device veth0_vlan left promiscuous mode [ 46.663303][ T500] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 46.686810][ T500] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.21: Allocating blocks 497-513 which overlap fs metadata [ 46.701131][ T500] EXT4-fs (loop2): pa ffff88812da17b28: logic 256, phys. 385, len 8 [ 46.709192][ T500] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 46.820278][ T504] loop2: detected capacity change from 0 to 1024 [ 46.903434][ T504] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 46.923584][ T504] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.22: Allocating blocks 497-513 which overlap fs metadata [ 46.938379][ T504] EXT4-fs (loop2): pa ffff88812da17348: logic 256, phys. 385, len 8 [ 46.946496][ T504] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 47.006023][ T508] loop2: detected capacity change from 0 to 1024 [ 47.023676][ T508] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.044049][ T508] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.23: Allocating blocks 497-513 which overlap fs metadata [ 47.058238][ T508] EXT4-fs (loop2): pa ffff88812d912888: logic 256, phys. 385, len 8 [ 47.066376][ T508] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 47.169627][ T512] loop2: detected capacity change from 0 to 1024 [ 47.223430][ T512] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.242017][ T512] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.24: Allocating blocks 497-513 which overlap fs metadata [ 47.256191][ T512] EXT4-fs (loop2): pa ffff88812d912540: logic 256, phys. 385, len 8 [ 47.264285][ T512] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 47.299895][ T516] loop2: detected capacity change from 0 to 1024 [ 47.383279][ T516] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.401794][ T516] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.25: Allocating blocks 497-513 which overlap fs metadata [ 47.415762][ T516] EXT4-fs (loop2): pa ffff888111ef5dc8: logic 256, phys. 385, len 8 [ 47.423810][ T516] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 47.489206][ T520] loop2: detected capacity change from 0 to 1024 [ 47.553659][ T520] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.573130][ T520] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.26: Allocating blocks 497-513 which overlap fs metadata [ 47.587393][ T520] EXT4-fs (loop2): pa ffff888111ef51f8: logic 256, phys. 385, len 8 [ 47.595424][ T520] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 47.703368][ T524] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.722425][ T524] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.27: Allocating blocks 497-513 which overlap fs metadata [ 47.736765][ T524] EXT4-fs (loop2): pa ffff888111ffa930: logic 256, phys. 385, len 8 [ 47.744815][ T524] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 47.923414][ T528] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.940752][ T528] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.28: Allocating blocks 497-513 which overlap fs metadata [ 47.955023][ T528] EXT4-fs (loop2): pa ffff888111ffa498: logic 256, phys. 385, len 8 [ 47.963078][ T528] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 48.093295][ T532] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 48.111895][ T532] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.29: Allocating blocks 497-513 which overlap fs metadata [ 48.126025][ T532] EXT4-fs (loop2): pa ffff888111ffadc8: logic 256, phys. 385, len 8 [ 48.134353][ T532] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 48.149369][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 107062519584976, count = 16 [ 48.164462][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 107062519555182, count = 29806 [ 48.179703][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 107062519555168, count = 16 [ 48.194453][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 104863293886928, count = 16 [ 48.209252][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 104863293862516, count = 24418 [ 48.224355][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 104863293862512, count = 16 [ 48.239345][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 35675934785424, count = 16 [ 48.254317][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 35675934777183, count = 8243 [ 50.139371][ T536] set_capacity_and_notify: 3 callbacks suppressed [ 50.139381][ T536] loop2: detected capacity change from 0 to 1024 [ 50.193675][ T536] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.212794][ T536] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.30: Allocating blocks 497-513 which overlap fs metadata [ 50.226746][ T536] EXT4-fs (loop2): pa ffff88812dad77e0: logic 256, phys. 385, len 8 [ 50.234781][ T536] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 2026/05/06 06:18:04 executed programs: 16 [ 50.299625][ T541] loop2: detected capacity change from 0 to 1024 [ 50.348379][ T541] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.366934][ T541] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.31: Allocating blocks 497-513 which overlap fs metadata [ 50.380988][ T541] EXT4-fs (loop2): pa ffff8881215c5888: logic 256, phys. 385, len 8 [ 50.389045][ T541] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 50.499088][ T545] loop2: detected capacity change from 0 to 1024 [ 50.543523][ T545] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.562847][ T545] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.32: Allocating blocks 497-513 which overlap fs metadata [ 50.577845][ T545] EXT4-fs (loop2): pa ffff88812dad7dc8: logic 256, phys. 385, len 8 [ 50.586106][ T545] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 50.649381][ T549] loop2: detected capacity change from 0 to 1024 [ 50.713544][ T549] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.733023][ T549] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.33: Allocating blocks 497-513 which overlap fs metadata [ 50.747257][ T549] EXT4-fs (loop2): pa ffff88812dad71f8: logic 256, phys. 385, len 8 [ 50.755278][ T549] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 50.819227][ T553] loop2: detected capacity change from 0 to 1024 [ 50.873326][ T553] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 50.892491][ T553] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.34: Allocating blocks 497-513 which overlap fs metadata [ 50.906520][ T553] EXT4-fs (loop2): pa ffff888111de0bd0: logic 256, phys. 385, len 8 [ 50.914868][ T553] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 50.979578][ T557] loop2: detected capacity change from 0 to 1024 [ 51.023516][ T557] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 51.042142][ T557] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.35: Allocating blocks 497-513 which overlap fs metadata [ 51.056305][ T557] EXT4-fs (loop2): pa ffff888111f633f0: logic 256, phys. 385, len 8 [ 51.064341][ T557] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 51.109367][ T561] loop2: detected capacity change from 0 to 1024 [ 51.174965][ T561] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 51.193971][ T561] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.36: Allocating blocks 497-513 which overlap fs metadata [ 51.208140][ T561] EXT4-fs (loop2): pa ffff88812db389d8: logic 256, phys. 385, len 8 [ 51.216172][ T561] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 51.338902][ T565] loop2: detected capacity change from 0 to 1024 [ 51.403456][ T565] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 51.421799][ T565] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.37: Allocating blocks 497-513 which overlap fs metadata [ 51.435896][ T565] EXT4-fs (loop2): pa ffff888111f63e70: logic 256, phys. 385, len 8 [ 51.443979][ T565] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 51.489234][ T569] loop2: detected capacity change from 0 to 1024 [ 51.523375][ T569] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 51.543197][ T569] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.38: Allocating blocks 497-513 which overlap fs metadata [ 51.557210][ T569] EXT4-fs (loop2): pa ffff88812db38738: logic 256, phys. 385, len 8 [ 51.565242][ T569] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 51.619124][ T573] loop2: detected capacity change from 0 to 1024 [ 51.633946][ T573] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 51.653136][ T573] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.39: Allocating blocks 497-513 which overlap fs metadata [ 51.667450][ T573] EXT4-fs (loop2): pa ffff88812db385e8: logic 256, phys. 385, len 8 [ 51.675533][ T573] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 51.773820][ T577] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 51.790841][ T577] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.40: Allocating blocks 497-513 which overlap fs metadata [ 51.805041][ T577] EXT4-fs (loop2): pa ffff888111ee3b28: logic 256, phys. 385, len 8 [ 51.813243][ T577] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 51.913330][ T582] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 51.932062][ T582] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.41: Allocating blocks 497-513 which overlap fs metadata [ 51.946194][ T582] EXT4-fs (loop2): pa ffff888111e1fa80: logic 256, phys. 385, len 8 [ 51.954202][ T582] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 52.143517][ T586] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 52.161814][ T586] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.42: Allocating blocks 497-513 which overlap fs metadata [ 52.176074][ T586] EXT4-fs (loop2): pa ffff888111ee33f0: logic 256, phys. 385, len 8 [ 52.184171][ T586] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 52.353337][ T590] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 52.371891][ T590] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.43: Allocating blocks 497-513 which overlap fs metadata [ 52.385905][ T590] EXT4-fs (loop2): pa ffff888121702e70: logic 256, phys. 385, len 8 [ 52.394164][ T590] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 52.544507][ T594] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 52.563513][ T594] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.44: Allocating blocks 497-513 which overlap fs metadata [ 52.577693][ T594] EXT4-fs (loop2): pa ffff88812d9b3348: logic 256, phys. 385, len 8 [ 52.585766][ T594] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 52.715091][ T598] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 52.734132][ T598] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.45: Allocating blocks 497-513 which overlap fs metadata [ 52.748354][ T598] EXT4-fs (loop2): pa ffff88812dbc41f8: logic 256, phys. 385, len 8 [ 52.756378][ T598] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 52.771143][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 0, count = 0 [ 52.784720][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 0, count = 16 [ 52.798232][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 0, count = 0 [ 52.811711][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 0, count = 16 [ 52.825427][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 0, count = 0 [ 52.839159][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 0, count = 16 [ 52.852814][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 0, count = 0 [ 52.866219][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 0, count = 16 [ 53.263365][ T602] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 53.282711][ T602] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.46: Allocating blocks 497-513 which overlap fs metadata [ 53.296768][ T602] EXT4-fs (loop2): pa ffff88812d9b3888: logic 256, phys. 385, len 8 [ 53.304781][ T602] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 53.319654][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 74982683123984, count = 16 [ 53.334356][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 74982683119887, count = 4111 [ 53.349224][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 1964346696, count = 296 [ 53.363758][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 1964346688, count = 16 [ 53.378046][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 194686572564416, count = 16 [ 53.392798][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 194686572560512, count = 3908 [ 53.407844][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 123633621016656, count = 16 [ 53.422671][ T476] EXT4-fs error (device loop2): ext4_free_blocks:6232: comm syz-executor: Freeing blocks not in datazone - block = 123633621012292, count = 4367