Warning: Permanently added '10.128.0.202' (ED25519) to the list of known hosts. 2026/01/30 16:48:31 parsed 1 programs [ 22.241759][ T30] audit: type=1400 audit(1769791711.853:64): avc: denied { node_bind } for pid=282 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 22.264548][ T30] audit: type=1400 audit(1769791711.853:65): avc: denied { module_request } for pid=282 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 22.992911][ T30] audit: type=1400 audit(1769791712.603:66): avc: denied { mounton } for pid=288 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 22.994013][ T288] cgroup: Unknown subsys name 'net' [ 23.020817][ T30] audit: type=1400 audit(1769791712.603:67): avc: denied { mount } for pid=288 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 23.051879][ T30] audit: type=1400 audit(1769791712.643:68): avc: denied { unmount } for pid=288 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 23.052048][ T288] cgroup: Unknown subsys name 'devices' [ 23.227245][ T288] cgroup: Unknown subsys name 'hugetlb' [ 23.233357][ T288] cgroup: Unknown subsys name 'rlimit' [ 23.434255][ T30] audit: type=1400 audit(1769791713.053:69): avc: denied { setattr } for pid=288 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 23.460197][ T30] audit: type=1400 audit(1769791713.053:70): avc: denied { create } for pid=288 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 23.485058][ T30] audit: type=1400 audit(1769791713.053:71): avc: denied { write } for pid=288 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 23.507924][ T30] audit: type=1400 audit(1769791713.053:72): avc: denied { read } for pid=288 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 23.513902][ T292] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 23.530901][ T30] audit: type=1400 audit(1769791713.053:73): avc: denied { mounton } for pid=288 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 23.589906][ T288] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 24.104723][ T295] request_module fs-gadgetfs succeeded, but still no fs? [ 24.485128][ T327] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.495392][ T327] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.504000][ T327] device bridge_slave_0 entered promiscuous mode [ 24.513467][ T327] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.521754][ T327] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.531639][ T327] device bridge_slave_1 entered promiscuous mode [ 24.571583][ T327] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.580608][ T327] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.590998][ T327] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.600930][ T327] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.629383][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 24.639051][ T199] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.648663][ T199] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.658248][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 24.667275][ T199] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.675691][ T199] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.687043][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 24.697037][ T199] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.705621][ T199] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.722192][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 24.734223][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 24.748123][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 24.760337][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 24.769902][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 24.778646][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 24.787979][ T327] device veth0_vlan entered promiscuous mode [ 24.797827][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 24.808136][ T327] device veth1_macvtap entered promiscuous mode [ 24.818431][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 24.829593][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 24.862987][ T327] syz-executor (327) used greatest stack depth: 21088 bytes left 2026/01/30 16:48:34 executed programs: 0 [ 25.358506][ T363] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.366871][ T363] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.375032][ T363] device bridge_slave_0 entered promiscuous mode [ 25.382434][ T363] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.390807][ T363] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.399407][ T363] device bridge_slave_1 entered promiscuous mode [ 25.460426][ T363] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.468515][ T363] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.476225][ T363] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.484571][ T363] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.494418][ T199] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.502281][ T199] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.524597][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.532701][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.542417][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 25.551918][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.561066][ T199] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.569703][ T199] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.580860][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 25.590437][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.599910][ T199] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.609305][ T199] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.623872][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 25.637151][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.649905][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 25.660916][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.682804][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 25.693102][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 25.706638][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 25.717021][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 25.730325][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.744304][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.755014][ T363] device veth0_vlan entered promiscuous mode [ 25.766233][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 25.775694][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 25.786264][ T363] device veth1_macvtap entered promiscuous mode [ 25.797062][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 25.806672][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 25.816564][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.828718][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 25.838377][ T199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.866867][ T373] loop2: detected capacity change from 0 to 1024 [ 25.885840][ T373] ======================================================= [ 25.885840][ T373] WARNING: The mand mount option has been deprecated and [ 25.885840][ T373] and is ignored by this kernel. Remove the mand [ 25.885840][ T373] option from the mount to silence this warning. [ 25.885840][ T373] ======================================================= [ 26.066632][ T373] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 26.113174][ T373] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.17: Allocating blocks 497-513 which overlap fs metadata [ 26.144380][ T373] EXT4-fs (loop2): pa ffff8881226e23f0: logic 256, phys. 385, len 8 [ 26.157253][ T373] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 26.234663][ T377] loop2: detected capacity change from 0 to 1024 [ 26.285606][ T377] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 26.309539][ T377] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.18: Allocating blocks 497-513 which overlap fs metadata [ 26.336795][ T377] EXT4-fs (loop2): pa ffff88812252d000: logic 256, phys. 385, len 8 [ 26.350480][ T377] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 26.374922][ T363] ================================================================== [ 26.387355][ T363] BUG: KASAN: use-after-free in ext4_ext_remove_space+0x3496/0x40d0 [ 26.400015][ T363] Read of size 4 at addr ffff88812cf99db8 by task syz-executor/363 [ 26.414362][ T363] [ 26.417239][ T363] CPU: 1 PID: 363 Comm: syz-executor Not tainted syzkaller #0 [ 26.427055][ T363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 26.441621][ T363] Call Trace: [ 26.447483][ T363] [ 26.453559][ T363] __dump_stack+0x21/0x30 [ 26.459506][ T363] dump_stack_lvl+0x110/0x170 [ 26.465983][ T363] ? show_regs_print_info+0x20/0x20 [ 26.472108][ T363] ? load_image+0x3e0/0x3e0 [ 26.478170][ T363] print_address_description+0x7f/0x2c0 [ 26.485848][ T363] ? ext4_ext_remove_space+0x3496/0x40d0 [ 26.492561][ T363] kasan_report+0xf1/0x140 [ 26.497812][ T363] ? __read_extent_tree_block+0x1e8/0x790 [ 26.505905][ T363] ? ext4_ext_remove_space+0x3496/0x40d0 [ 26.514839][ T363] __asan_report_load4_noabort+0x14/0x20 [ 26.522597][ T363] ext4_ext_remove_space+0x3496/0x40d0 [ 26.529128][ T363] ? ext4_es_insert_extent+0x2d60/0x2d60 [ 26.536685][ T363] ? _raw_write_lock+0x94/0xf0 [ 26.542726][ T363] ? ext4_da_release_space+0x1d6/0x480 [ 26.549737][ T363] ? ext4_ext_index_trans_blocks+0x100/0x100 [ 26.558442][ T363] ext4_ext_truncate+0x1a3/0x250 [ 26.564924][ T363] ext4_truncate+0x9be/0xfb0 [ 26.570882][ T363] ? __ext4_mark_inode_dirty+0x610/0x610 [ 26.577127][ T363] ext4_evict_inode+0xcc5/0x1460 [ 26.583259][ T363] ? _raw_spin_unlock+0x4d/0x70 [ 26.589338][ T363] ? ext4_inode_is_fast_symlink+0x3a0/0x3a0 [ 26.597292][ T363] ? _raw_spin_unlock+0x4d/0x70 [ 26.603318][ T363] ? inode_io_list_del+0x19b/0x1b0 [ 26.609773][ T363] ? ext4_inode_is_fast_symlink+0x3a0/0x3a0 [ 26.616919][ T363] evict+0x4c9/0x8d0 [ 26.621751][ T363] ? proc_nr_inodes+0x310/0x310 [ 26.627889][ T363] ? _raw_spin_lock+0x94/0xf0 [ 26.633017][ T363] ? _raw_spin_trylock_bh+0x150/0x150 [ 26.639689][ T363] ? iput+0x28e/0x7c0 [ 26.644110][ T363] ? __kasan_check_write+0x14/0x20 [ 26.650340][ T363] iput+0x635/0x7c0 [ 26.654743][ T363] do_unlinkat+0x380/0x6d0 [ 26.659963][ T363] ? fsnotify_link_count+0x100/0x100 [ 26.666300][ T363] ? getname_flags+0x206/0x500 [ 26.672216][ T363] __x64_sys_unlink+0x49/0x50 [ 26.677071][ T363] x64_sys_call+0x878/0x9a0 [ 26.682284][ T363] do_syscall_64+0x4c/0xa0 [ 26.687347][ T363] ? clear_bhb_loop+0x50/0xa0 [ 26.693008][ T363] ? clear_bhb_loop+0x50/0xa0 [ 26.698802][ T363] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 26.706292][ T363] RIP: 0033:0x7f36f157efa7 [ 26.711190][ T363] 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 [ 26.734831][ T363] RSP: 002b:00007ffc64280cf8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 [ 26.745190][ T363] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f36f157efa7 [ 26.758369][ T363] RDX: 00007ffc64280d20 RSI: 00007ffc64280db0 RDI: 00007ffc64280db0 [ 26.770313][ T363] RBP: 00007ffc64280db0 R08: 00007ffc64281db0 R09: 00000000ffffffff [ 26.780529][ T363] R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffc64281ea0 [ 26.790654][ T363] R13: 00007f36f15e971f R14: 00000000000066a2 R15: 00007ffc64282f70 [ 26.799921][ T363] [ 26.803325][ T363] [ 26.806551][ T363] The buggy address belongs to the page: [ 26.814817][ T363] page:ffffea0004b3e640 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x12cf99 [ 26.826175][ T363] flags: 0x4000000000000000(zone=1) [ 26.833164][ T363] raw: 4000000000000000 ffffea0004b3e608 ffffea0004b3e688 0000000000000000 [ 26.843606][ T363] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 26.854639][ T363] page dumped because: kasan: bad access detected [ 26.862738][ T363] page_owner tracks the page as freed [ 26.869196][ T363] page last allocated via order 0, migratetype Movable, gfp_mask 0x100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), pid 297, ts 26303465721, free_ts 26304243188 [ 26.889335][ T363] post_alloc_hook+0x192/0x1b0 [ 26.895243][ T363] prep_new_page+0x1c/0x110 [ 26.902094][ T363] get_page_from_freelist+0x2d3a/0x2dc0 [ 26.908744][ T363] __alloc_pages+0x1a2/0x460 [ 26.914238][ T363] handle_pte_fault+0xebf/0x2710 [ 26.920334][ T363] do_handle_mm_fault+0x1af9/0x1de0 [ 26.926896][ T363] do_user_addr_fault+0x828/0x1250 [ 26.934949][ T363] exc_page_fault+0x51/0xb0 [ 26.940851][ T363] asm_exc_page_fault+0x27/0x30 [ 26.948250][ T363] page last free stack trace: [ 26.956817][ T363] free_unref_page_prepare+0x542/0x550 [ 26.964242][ T363] free_unref_page_list+0x13a/0x9d0 [ 26.973794][ T363] release_pages+0x1006/0x1060 [ 26.979804][ T363] free_pages_and_swap_cache+0x86/0xa0 [ 27.005374][ T363] tlb_finish_mmu+0x17e/0x310 [ 27.011961][ T363] unmap_region+0x344/0x3b0 [ 27.018072][ T363] __do_munmap+0xa24/0x1020 [ 27.024113][ T363] __vm_munmap+0x163/0x2b0 [ 27.030537][ T363] __x64_sys_munmap+0x6b/0x80 [ 27.036466][ T363] x64_sys_call+0xc9/0x9a0 [ 27.042009][ T363] do_syscall_64+0x4c/0xa0 [ 27.049172][ T363] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 27.059083][ T363] [ 27.064912][ T363] Memory state around the buggy address: [ 27.079680][ T363] ffff88812cf99c80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.091049][ T363] ffff88812cf99d00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.108096][ T363] >ffff88812cf99d80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.121395][ T363] ^ [ 27.131410][ T363] ffff88812cf99e00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.143522][ T363] ffff88812cf99e80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.157585][ T363] ================================================================== [ 27.170196][ T363] Disabling lock debugging due to kernel taint [ 27.323149][ T381] loop2: detected capacity change from 0 to 1024 [ 27.397878][ T8] device bridge_slave_1 left promiscuous mode [ 27.421469][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.422774][ T381] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 27.447709][ T8] device bridge_slave_0 left promiscuous mode [ 27.457414][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.467763][ T381] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.19: Allocating blocks 497-513 which overlap fs metadata [ 27.489585][ T381] EXT4-fs (loop2): pa ffff88812e412b28: logic 256, phys. 385, len 8 [ 27.504161][ T381] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 27.518159][ T8] device veth1_macvtap left promiscuous mode [ 27.525717][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 0, count = 192 [ 27.525736][ T8] device veth0_vlan left promiscuous mode [ 27.550903][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 2448131358720, count = 13888 [ 27.627800][ T384] loop2: detected capacity change from 0 to 1024 [ 27.695416][ T384] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 27.723304][ T384] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.20: Allocating blocks 497-513 which overlap fs metadata [ 27.744017][ T384] EXT4-fs (loop2): pa ffff8881226f8b28: logic 256, phys. 385, len 8 [ 27.763234][ T384] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 27.883871][ T387] loop2: detected capacity change from 0 to 1024 [ 27.948006][ T387] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 27.989413][ T387] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.21: Allocating blocks 497-513 which overlap fs metadata [ 28.012233][ T387] EXT4-fs (loop2): pa ffff88812e4121f8: logic 256, phys. 385, len 8 [ 28.023892][ T387] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 28.162385][ T391] loop2: detected capacity change from 0 to 1024 [ 28.205566][ T391] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 28.233829][ T391] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.22: Allocating blocks 497-513 which overlap fs metadata [ 28.251054][ T391] EXT4-fs (loop2): pa ffff8881226f81f8: logic 256, phys. 385, len 8 [ 28.262224][ T391] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 28.402754][ T394] loop2: detected capacity change from 0 to 1024 [ 28.446007][ T394] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 28.476281][ T394] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.23: Allocating blocks 497-513 which overlap fs metadata [ 28.497024][ T394] EXT4-fs (loop2): pa ffff88812e438f18: logic 256, phys. 385, len 8 [ 28.510235][ T394] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 28.585888][ T397] loop2: detected capacity change from 0 to 1024 [ 28.625614][ T397] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 28.651431][ T397] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.24: Allocating blocks 497-513 which overlap fs metadata [ 28.669083][ T397] EXT4-fs (loop2): pa ffff88812e438b28: logic 256, phys. 385, len 8 [ 28.678485][ T397] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 28.697533][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 37369408, count = 0 [ 28.716507][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 37369408, count = 16 [ 28.748102][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 687194767552, count = 0 [ 28.769716][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 38764224, count = 0 [ 28.788043][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 38764224, count = 16 [ 28.809476][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 0, count = 16 [ 28.826923][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 0, count = 1 [ 28.846555][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 10485760, count = 192 [ 28.962807][ T400] loop2: detected capacity change from 0 to 1024 [ 29.025918][ T400] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 29.049358][ T400] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.25: Allocating blocks 497-513 which overlap fs metadata [ 29.066447][ T400] EXT4-fs (loop2): pa ffff88812e4382a0: logic 256, phys. 385, len 8 [ 29.075496][ T400] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 29.202926][ T403] loop2: detected capacity change from 0 to 1024 [ 29.285617][ T403] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 29.307421][ T403] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.26: Allocating blocks 497-513 which overlap fs metadata [ 29.326276][ T403] EXT4-fs (loop2): pa ffff88812e48f3f0: logic 256, phys. 385, len 8 [ 29.336003][ T403] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 29.358554][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 0, count = 0 [ 29.376180][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 265394619186998, count = 7456 [ 29.535701][ T406] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 29.563957][ T406] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.27: Allocating blocks 497-513 which overlap fs metadata [ 29.589686][ T406] EXT4-fs (loop2): pa ffff88812e4387e0: logic 256, phys. 385, len 8 [ 29.604693][ T406] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 29.735604][ T409] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 29.768794][ T409] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.28: Allocating blocks 497-513 which overlap fs metadata [ 29.790990][ T409] EXT4-fs (loop2): pa ffff88812e4af7e0: logic 256, phys. 385, len 8 [ 29.800731][ T409] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 29.966267][ T412] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 29.991344][ T412] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.29: Allocating blocks 497-513 which overlap fs metadata [ 30.026297][ T412] EXT4-fs (loop2): pa ffff88812e4f8738: logic 256, phys. 385, len 8 [ 30.037821][ T412] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 30.205647][ T416] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 30.231933][ T416] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.30: Allocating blocks 497-513 which overlap fs metadata [ 30.252862][ T416] EXT4-fs (loop2): pa ffff88812e4f8d20: logic 256, phys. 385, len 8 [ 30.264506][ T416] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 30.385524][ T419] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 30.419043][ T419] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.31: Allocating blocks 497-513 which overlap fs metadata [ 30.443803][ T419] EXT4-fs (loop2): pa ffff88812e4af5e8: logic 256, phys. 385, len 8 [ 30.458029][ T419] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 2026/01/30 16:48:40 executed programs: 17 [ 30.525567][ T30] kauditd_printk_skb: 52 callbacks suppressed [ 30.525629][ T30] audit: type=1400 audit(1769791720.143:126): avc: denied { write } for pid=282 comm="syz-execprog" path="pipe:[14494]" dev="pipefs" ino=14494 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 30.685918][ T422] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 30.717094][ T422] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.32: Allocating blocks 497-513 which overlap fs metadata [ 30.740701][ T422] EXT4-fs (loop2): pa ffff88812e51ff18: logic 256, phys. 385, len 8 [ 30.751892][ T422] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 30.885939][ T425] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 30.916491][ T425] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.33: Allocating blocks 497-513 which overlap fs metadata [ 30.944737][ T425] EXT4-fs (loop2): pa ffff88812e564d20: logic 256, phys. 385, len 8 [ 30.962468][ T425] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 31.043418][ T428] set_capacity_and_notify: 7 callbacks suppressed [ 31.043430][ T428] loop2: detected capacity change from 0 to 1024 [ 31.105801][ T428] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 31.135012][ T428] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.34: Allocating blocks 497-513 which overlap fs metadata [ 31.161769][ T428] EXT4-fs (loop2): pa ffff88812e564348: logic 256, phys. 385, len 8 [ 31.178346][ T428] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 31.283003][ T431] loop2: detected capacity change from 0 to 1024 [ 31.356964][ T431] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 31.390989][ T431] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.35: Allocating blocks 497-513 which overlap fs metadata [ 31.423619][ T431] EXT4-fs (loop2): pa ffff88812e51f738: logic 256, phys. 385, len 8 [ 31.440658][ T431] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 31.562704][ T434] loop2: detected capacity change from 0 to 1024 [ 31.726935][ T434] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 31.760432][ T434] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.36: Allocating blocks 497-513 which overlap fs metadata [ 31.781706][ T434] EXT4-fs (loop2): pa ffff88812e5643f0: logic 256, phys. 385, len 8 [ 31.800098][ T434] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 31.873557][ T437] loop2: detected capacity change from 0 to 1024 [ 31.945413][ T437] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 31.987466][ T437] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.37: Allocating blocks 497-513 which overlap fs metadata [ 32.012166][ T437] EXT4-fs (loop2): pa ffff88812e5dd000: logic 256, phys. 385, len 8 [ 32.027346][ T437] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 32.162856][ T440] loop2: detected capacity change from 0 to 1024 [ 32.236163][ T440] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 32.265734][ T440] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.38: Allocating blocks 497-513 which overlap fs metadata [ 32.301900][ T440] EXT4-fs (loop2): pa ffff88812e605e70: logic 256, phys. 385, len 8 [ 32.314445][ T440] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 32.393562][ T444] loop2: detected capacity change from 0 to 1024 [ 32.485774][ T444] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 32.516644][ T444] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.39: Allocating blocks 497-513 which overlap fs metadata [ 32.535136][ T444] EXT4-fs (loop2): pa ffff88812e605bd0: logic 256, phys. 385, len 8 [ 32.547264][ T444] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 32.626293][ T447] loop2: detected capacity change from 0 to 1024 [ 32.746862][ T447] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 32.778870][ T447] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.40: Allocating blocks 497-513 which overlap fs metadata [ 32.803014][ T447] EXT4-fs (loop2): pa ffff88812e635348: logic 256, phys. 385, len 8 [ 32.814795][ T447] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 32.883648][ T450] loop2: detected capacity change from 0 to 1024 [ 32.955904][ T450] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 32.985623][ T450] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.41: Allocating blocks 497-513 which overlap fs metadata [ 33.012275][ T450] EXT4-fs (loop2): pa ffff88812e635e70: logic 256, phys. 385, len 8 [ 33.023256][ T450] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 33.162067][ T453] loop2: detected capacity change from 0 to 1024 [ 33.205749][ T453] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 33.230915][ T453] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.42: Allocating blocks 497-513 which overlap fs metadata [ 33.252100][ T453] EXT4-fs (loop2): pa ffff88812e6967e0: logic 256, phys. 385, len 8 [ 33.264957][ T453] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 33.286610][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 845317632, count = 16 [ 33.306617][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 845285080, count = 32566 [ 33.329042][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 845285072, count = 16 [ 33.353450][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 266300857296000, count = 16 [ 33.378093][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 266300857286454, count = 9552 [ 33.403898][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 266300857286448, count = 16 [ 33.435205][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 2298856496, count = 16 [ 33.466241][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 2298823936, count = 32566 [ 33.554234][ T456] loop2: detected capacity change from 0 to 1024 [ 33.646229][ T456] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 33.681306][ T456] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.43: Allocating blocks 497-513 which overlap fs metadata [ 33.708539][ T456] EXT4-fs (loop2): pa ffff88812e6965e8: logic 256, phys. 385, len 8 [ 33.725516][ T456] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 33.868572][ T459] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 33.903907][ T459] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.44: Allocating blocks 497-513 which overlap fs metadata [ 33.935501][ T459] EXT4-fs (loop2): pa ffff88812e6f6000: logic 256, phys. 385, len 8 [ 33.955943][ T459] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 34.125435][ T462] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 34.154411][ T462] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.45: Allocating blocks 497-513 which overlap fs metadata [ 34.180308][ T462] EXT4-fs (loop2): pa ffff88812e6f6540: logic 256, phys. 385, len 8 [ 34.193233][ T462] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 34.367110][ T465] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 34.403013][ T465] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.46: Allocating blocks 497-513 which overlap fs metadata [ 34.437402][ T465] EXT4-fs (loop2): pa ffff88812e5dd348: logic 256, phys. 385, len 8 [ 34.453850][ T465] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 34.646202][ T468] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 34.677887][ T468] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.47: Allocating blocks 497-513 which overlap fs metadata [ 34.707166][ T468] EXT4-fs (loop2): pa ffff88812e7799d8: logic 256, phys. 385, len 8 [ 34.727116][ T468] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 34.858881][ T471] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 34.897933][ T471] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.48: Allocating blocks 497-513 which overlap fs metadata [ 34.929494][ T471] EXT4-fs (loop2): pa ffff88812e779690: logic 256, phys. 385, len 8 [ 34.941419][ T471] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 35.125953][ T474] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 35.165112][ T474] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.49: Allocating blocks 497-513 which overlap fs metadata [ 35.192861][ T474] EXT4-fs (loop2): pa ffff88812e720540: logic 256, phys. 385, len 8 [ 35.204569][ T474] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 35.375595][ T477] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 35.405897][ T477] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.50: Allocating blocks 497-513 which overlap fs metadata [ 35.432955][ T477] EXT4-fs (loop2): pa ffff88812e720348: logic 256, phys. 385, len 8 [ 35.446512][ T477] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 35.646168][ T480] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 35.679868][ T480] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.51: Allocating blocks 497-513 which overlap fs metadata [ 35.707089][ T480] EXT4-fs (loop2): pa ffff88812e7ac930: logic 256, phys. 385, len 8 [ 35.721811][ T480] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 2026/01/30 16:48:45 executed programs: 37 [ 35.752991][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 2556944816, count = 16 [ 35.775113][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 2556922944, count = 21875 [ 35.794939][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 167727062871888, count = 16 [ 35.821326][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 167727062865267, count = 6624 [ 35.843205][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 167727062865264, count = 16 [ 35.867183][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 2559284928, count = 16 [ 35.893928][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 2559263056, count = 21875 [ 35.925239][ T363] EXT4-fs error (device loop2): ext4_free_blocks:6234: comm syz-executor: Freeing blocks not in datazone - block = 46656565601504, count = 16 [ 36.075547][ T483] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 36.111964][ T483] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.52: Allocating blocks 497-513 which overlap fs metadata [ 36.137892][ T483] EXT4-fs (loop2): pa ffff88812e7ac150: logic 256, phys. 385, len 8 [ 36.148709][ T483] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 36.282270][ T486] set_capacity_and_notify: 9 callbacks suppressed [ 36.282291][ T486] loop2: detected capacity change from 0 to 1024 [ 36.335735][ T486] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 36.362547][ T486] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.53: Allocating blocks 497-513 which overlap fs metadata