Warning: Permanently added '10.128.0.172' (ED25519) to the list of known hosts. 2025/08/10 10:05:23 ignoring optional flag "sandboxArg"="0" 2025/08/10 10:05:24 parsed 1 programs [ 55.399208][ T23] audit: type=1400 audit(1754820324.649:108): 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" [ 55.433037][ T400] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 55.764131][ T23] audit: type=1401 audit(1754820325.019:109): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 55.920156][ T424] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.927171][ T424] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.934832][ T424] device bridge_slave_0 entered promiscuous mode [ 55.941536][ T424] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.948531][ T424] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.955806][ T424] device bridge_slave_1 entered promiscuous mode [ 55.980449][ T424] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.987463][ T424] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.994788][ T424] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.001798][ T424] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.015140][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.022591][ T333] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.030053][ T333] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.038165][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.046646][ T333] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.053755][ T333] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.061845][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.069952][ T333] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.076962][ T333] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.087696][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.096444][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.107772][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.118625][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.126585][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.133973][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.141873][ T424] device veth0_vlan entered promiscuous mode [ 56.150262][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.158876][ T424] device veth1_macvtap entered promiscuous mode [ 56.167225][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.177573][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2025/08/10 10:05:25 executed programs: 0 [ 56.393105][ T448] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.400147][ T448] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.407412][ T448] device bridge_slave_0 entered promiscuous mode [ 56.414139][ T448] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.421165][ T448] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.428340][ T448] device bridge_slave_1 entered promiscuous mode [ 56.452483][ T448] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.459524][ T448] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.466727][ T448] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.473730][ T448] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.486744][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.494288][ T333] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.501478][ T333] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.510092][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.518182][ T333] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.525231][ T333] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.533883][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.542058][ T333] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.549062][ T333] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.559304][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.568156][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.579379][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.589394][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.597212][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.604622][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.612569][ T448] device veth0_vlan entered promiscuous mode [ 56.621038][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.629842][ T448] device veth1_macvtap entered promiscuous mode [ 56.637736][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.647221][ T333] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.941039][ T453] F2FS-fs (loop2): Wrong CP boundary, start(512) end(198144) blocks(1024) [ 56.949700][ T453] F2FS-fs (loop2): Can't find valid F2FS filesystem in 2th superblock [ 56.958606][ T453] F2FS-fs (loop2): invalid crc value [ 56.965116][ T453] F2FS-fs (loop2): Found nat_bits in checkpoint [ 56.987402][ T453] F2FS-fs (loop2): Try to recover 2th superblock, ret: 0 [ 56.994706][ T453] F2FS-fs (loop2): Mounted with checkpoint version = 48b305e4 [ 57.002483][ T23] audit: type=1400 audit(1754820326.269:110): avc: denied { mount } for pid=452 comm="syz.2.16" name="/" dev="loop2" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 57.011777][ T453] fscrypt (loop2, inode 8): Error -61 getting encryption context [ 57.024062][ T23] audit: type=1400 audit(1754820326.269:111): avc: denied { write } for pid=452 comm="syz.2.16" name="/" dev="loop2" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 57.034660][ T448] F2FS-fs (loop2): dec_valid_node_count: inconsistent i_blocks, ino:7, iblocks:0 [ 57.053879][ T23] audit: type=1400 audit(1754820326.269:112): avc: denied { add_name } for pid=452 comm="syz.2.16" name="file2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 57.063058][ T448] F2FS-fs (loop2): f2fs_unlink: inode (ino=9) has zero i_nlink [ 57.083150][ T23] audit: type=1400 audit(1754820326.269:113): avc: denied { create } for pid=452 comm="syz.2.16" name="file2" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 57.110368][ T23] audit: type=1400 audit(1754820326.269:114): avc: denied { read write } for pid=452 comm="syz.2.16" name="file2" dev="loop2" ino=8 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 57.132648][ T23] audit: type=1400 audit(1754820326.269:115): avc: denied { open } for pid=452 comm="syz.2.16" path="/0/file0/file2" dev="loop2" ino=8 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 57.155147][ T23] audit: type=1400 audit(1754820326.299:116): avc: denied { remove_name } for pid=452 comm="syz.2.16" name="file0" dev="loop2" ino=4 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 57.177370][ T23] audit: type=1400 audit(1754820326.299:117): avc: denied { rename } for pid=452 comm="syz.2.16" name="file0" dev="loop2" ino=4 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 57.259830][ T459] ================================================================== [ 57.267912][ T459] BUG: KASAN: use-after-free in __list_del_entry_valid+0xf0/0x110 [ 57.275688][ T459] Read of size 8 at addr ffff88812744d768 by task syz.2.16/459 [ 57.283187][ T459] [ 57.285482][ T459] CPU: 1 PID: 459 Comm: syz.2.16 Not tainted 5.10.240-syzkaller #0 [ 57.293335][ T459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 57.303368][ T459] Call Trace: [ 57.306628][ T459] dump_stack_lvl+0x81/0xac [ 57.311096][ T459] print_address_description.constprop.0+0x24/0x160 [ 57.317644][ T459] ? __list_del_entry_valid+0xf0/0x110 [ 57.323064][ T459] kasan_report.cold+0x82/0xdb [ 57.327785][ T459] ? __list_del_entry_valid+0xf0/0x110 [ 57.333203][ T459] __asan_report_load8_noabort+0x14/0x20 [ 57.338792][ T459] __list_del_entry_valid+0xf0/0x110 [ 57.344035][ T459] f2fs_inode_synced+0xed/0x3c0 [ 57.348844][ T459] ? dec_valid_node_count+0x3c0/0x3c0 [ 57.354180][ T459] f2fs_update_inode+0x6f/0x2030 [ 57.359077][ T459] f2fs_update_inode_page+0xa9/0x110 [ 57.364320][ T459] f2fs_write_inode+0x190/0x1010 [ 57.369225][ T459] ? _raw_spin_lock_bh+0x110/0x110 [ 57.374315][ T459] ? __kasan_check_write+0x14/0x20 [ 57.379388][ T459] ? _raw_spin_lock+0x86/0x110 [ 57.384112][ T459] __writeback_single_inode+0x52c/0x780 [ 57.389616][ T459] writeback_single_inode+0x1e9/0x310 [ 57.394950][ T459] ? delete_from_page_cache_batch+0x9f0/0x9f0 [ 57.400978][ T459] sync_inode_metadata+0x8f/0xc0 [ 57.405979][ T459] ? sync_inode+0x10/0x10 [ 57.410279][ T459] ? _raw_spin_unlock+0x41/0x70 [ 57.415094][ T459] f2fs_sync_inode_meta+0x194/0x260 [ 57.420257][ T459] f2fs_write_checkpoint+0x888/0x6080 [ 57.425629][ T459] ? __kasan_check_write+0x14/0x20 [ 57.430698][ T459] ? _raw_spin_lock_irq+0x87/0x110 [ 57.435769][ T459] ? ttwu_do_wakeup.constprop.0+0x16/0x270 [ 57.441534][ T459] ? _raw_spin_lock+0x110/0x110 [ 57.446351][ T459] ? __prepare_to_swait+0xab/0x1a0 [ 57.451435][ T459] ? f2fs_get_sectors_written+0x480/0x480 [ 57.457117][ T459] ? __kasan_check_write+0x14/0x20 [ 57.462190][ T459] ? kthread_stop+0xdb/0x2e0 [ 57.466737][ T459] kill_f2fs_super+0x2c0/0x360 [ 57.471460][ T459] ? trace_event_raw_event_f2fs_direct_IO_exit+0x400/0x400 [ 57.478616][ T459] ? unregister_shrinker+0x19f/0x2a0 [ 57.483860][ T459] deactivate_locked_super+0x8b/0x130 [ 57.489198][ T459] deactivate_super+0x71/0x80 [ 57.493840][ T459] cleanup_mnt+0x2c5/0x400 [ 57.498215][ T459] __cleanup_mnt+0xd/0x10 [ 57.502508][ T459] task_work_run+0xc2/0x140 [ 57.506975][ T459] do_exit+0x8c5/0x2330 [ 57.511104][ T459] ? __switch_to_asm+0x3a/0x60 [ 57.515842][ T459] ? __kasan_check_read+0x11/0x20 [ 57.520842][ T459] ? mm_update_next_owner+0x6f0/0x6f0 [ 57.526184][ T459] ? timerqueue_del+0x43/0xf0 [ 57.530827][ T459] ? __kasan_check_write+0x14/0x20 [ 57.535917][ T459] ? _raw_spin_lock_irq+0x87/0x110 [ 57.540999][ T459] do_group_exit+0xe6/0x290 [ 57.545464][ T459] get_signal+0x353/0x1a10 [ 57.549841][ T459] arch_do_signal_or_restart+0x2c1/0x1b70 [ 57.555518][ T459] ? hrtimer_nanosleep+0x191/0x3b0 [ 57.560593][ T459] ? nanosleep_copyout+0xd0/0xd0 [ 57.565493][ T459] ? restore_sigcontext+0x6a0/0x6a0 [ 57.570652][ T459] ? get_timespec64+0x72/0x180 [ 57.575392][ T459] ? put_timespec64+0x100/0x100 [ 57.580210][ T459] ? common_nsleep+0x78/0xb0 [ 57.584763][ T459] ? __x64_sys_clock_nanosleep+0x2a4/0x440 [ 57.590542][ T459] exit_to_user_mode_prepare+0xd1/0x120 [ 57.596049][ T459] syscall_exit_to_user_mode+0x27/0x160 [ 57.601560][ T459] do_syscall_64+0x3f/0x50 [ 57.605940][ T459] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 57.611797][ T459] RIP: 0033:0x7fa2997fb1e5 [ 57.616184][ T459] Code: Unable to access opcode bytes at RIP 0x7fa2997fb1bb. [ 57.623513][ T459] RSP: 002b:00007fa299238f80 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 [ 57.632040][ T459] RAX: fffffffffffffdfc RBX: 00007fa2999effa0 RCX: 00007fa2997fb1e5 [ 57.640020][ T459] RDX: 00007fa299238fc0 RSI: 0000000000000000 RDI: 0000000000000000 [ 57.647962][ T459] RBP: 00007fa29984ab39 R08: 0000000000000000 R09: 0000000000000000 [ 57.655900][ T459] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 57.663834][ T459] R13: 0000000000000000 R14: 00007fa2999effa0 R15: 00007fffd7a36758 [ 57.671776][ T459] [ 57.674068][ T459] Allocated by task 453: [ 57.678275][ T459] kasan_save_stack+0x26/0x50 [ 57.683000][ T459] __kasan_slab_alloc+0x94/0xc0 [ 57.687806][ T459] kmem_cache_alloc+0x15d/0x4f0 [ 57.692623][ T459] f2fs_alloc_inode+0x1d/0x4a0 [ 57.697347][ T459] alloc_inode+0x5c/0x1e0 [ 57.701638][ T459] iget_locked+0x12e/0x5e0 [ 57.706103][ T459] f2fs_iget+0x53/0x4a10 [ 57.710309][ T459] f2fs_lookup+0x491/0xc20 [ 57.714684][ T459] path_openat+0x1024/0x3950 [ 57.719233][ T459] do_filp_open+0x193/0x3d0 [ 57.723697][ T459] do_sys_openat2+0x135/0x810 [ 57.728331][ T459] __x64_sys_openat+0x124/0x200 [ 57.733145][ T459] do_syscall_64+0x32/0x50 [ 57.737519][ T459] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 57.743385][ T459] [ 57.745676][ T459] Freed by task 23: [ 57.749454][ T459] kasan_save_stack+0x26/0x50 [ 57.754086][ T459] kasan_set_track+0x25/0x30 [ 57.758635][ T459] kasan_set_free_info+0x24/0x40 [ 57.763534][ T459] __kasan_slab_free+0x111/0x150 [ 57.768433][ T459] slab_free_freelist_hook+0x9b/0x1a0 [ 57.773767][ T459] kmem_cache_free+0x106/0x440 [ 57.778502][ T459] f2fs_free_inode+0x1d/0x30 [ 57.783050][ T459] i_callback+0x3a/0x60 [ 57.787165][ T459] rcu_do_batch+0x34e/0xb90 [ 57.791629][ T459] rcu_core+0x3fa/0xa40 [ 57.795751][ T459] rcu_core_si+0x9/0x10 [ 57.799865][ T459] __do_softirq+0x1bc/0x5f3 [ 57.804328][ T459] [ 57.806626][ T459] Last potentially related work creation: [ 57.812316][ T459] kasan_save_stack+0x26/0x50 [ 57.816956][ T459] __kasan_record_aux_stack+0xd8/0xf0 [ 57.822283][ T459] kasan_record_aux_stack_noalloc+0xb/0x10 [ 57.828048][ T459] call_rcu+0xe2/0x12d0 [ 57.832161][ T459] destroy_inode+0x11f/0x190 [ 57.836707][ T459] evict+0x517/0x940 [ 57.840562][ T459] iput.part.0+0x33b/0x640 [ 57.844959][ T459] iput+0x3f/0x50 [ 57.848553][ T459] do_unlinkat+0x337/0x5d0 [ 57.853107][ T459] __x64_sys_unlink+0xa5/0xe0 [ 57.857833][ T459] do_syscall_64+0x32/0x50 [ 57.862211][ T459] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 57.868082][ T459] [ 57.870382][ T459] The buggy address belongs to the object at ffff88812744d3b0 [ 57.870382][ T459] which belongs to the cache f2fs_inode_cache of size 1520 [ 57.885097][ T459] The buggy address is located 952 bytes inside of [ 57.885097][ T459] 1520-byte region [ffff88812744d3b0, ffff88812744d9a0) [ 57.898587][ T459] The buggy address belongs to the page: [ 57.904190][ T459] page:ffffea00049d1200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x127448 [ 57.914384][ T459] head:ffffea00049d1200 order:3 compound_mapcount:0 compound_pincount:0 [ 57.922670][ T459] flags: 0x4000000000010200(slab|head) [ 57.928091][ T459] raw: 4000000000010200 dead000000000100 dead000000000122 ffff88810479d500 [ 57.936646][ T459] raw: 0000000000000000 0000000080130013 00000001ffffffff 0000000000000000 [ 57.945294][ T459] page dumped because: kasan: bad access detected [ 57.951676][ T459] page_owner tracks the page as allocated [ 57.957357][ T459] page last allocated via order 3, migratetype Reclaimable, gfp_mask 0x1d2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 453, ts 56986500960, free_ts 0 [ 57.977817][ T459] get_page_from_freelist+0x1fee/0x2ad0 [ 57.983426][ T459] __alloc_pages_nodemask+0x2ae/0x2490 [ 57.988852][ T459] allocate_slab+0x30f/0x460 [ 57.993407][ T459] ___slab_alloc.constprop.0+0x32b/0x730 [ 57.999000][ T459] kmem_cache_alloc+0x491/0x4f0 [ 58.003808][ T459] f2fs_alloc_inode+0x1d/0x4a0 [ 58.008532][ T459] alloc_inode+0x5c/0x1e0 [ 58.012840][ T459] iget_locked+0x12e/0x5e0 [ 58.017307][ T459] f2fs_iget+0x53/0x4a10 [ 58.021509][ T459] f2fs_fill_super+0x3e49/0x6390 [ 58.026412][ T459] mount_bdev+0x2b7/0x390 [ 58.030715][ T459] f2fs_mount+0x10/0x20 [ 58.034838][ T459] legacy_get_tree+0xf5/0x1d0 [ 58.039589][ T459] vfs_get_tree+0x81/0x1b0 [ 58.044142][ T459] path_mount+0x4b4/0x1f60 [ 58.048869][ T459] __x64_sys_mount+0x20e/0x280 [ 58.053596][ T459] page_owner free stack trace missing [ 58.059275][ T459] [ 58.061581][ T459] Memory state around the buggy address: [ 58.067268][ T459] ffff88812744d600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 58.075397][ T459] ffff88812744d680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 58.083423][ T459] >ffff88812744d700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 58.091442][ T459] ^ [ 58.098855][ T459] ffff88812744d780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 58.106874][ T459] ffff88812744d800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 58.115345][ T459] ================================================================== [ 58.123370][ T459] Disabling lock debugging due to kernel taint [ 58.190049][ T118] device bridge_slave_1 left promiscuous mode [ 58.196315][ T118] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.203888][ T118] device bridge_slave_0 left promiscuous mode [ 58.210149][ T118] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.217914][ T118] device veth1_macvtap left promiscuous mode [ 58.224126][ T118] device veth0_vlan left promiscuous mode [ 59.719781][ T118] device bridge_slave_1 left promiscuous mode [ 59.725885][ T118] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.733436][ T118] device bridge_slave_0 left promiscuous mode [ 59.739593][ T118] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.747478][ T118] device veth1_macvtap left promiscuous mode [ 59.753748][ T118] device veth0_vlan left promiscuous mode