Warning: Permanently added '10.128.0.170' (ED25519) to the list of known hosts. 2026/06/21 09:01:20 parsed 1 programs 2026/06/21 09:01:20 serving rpc on tcp://43045 [ 26.238330][ T24] audit: type=1400 audit(1782032480.820:64): avc: denied { node_bind } for pid=287 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 26.259568][ T24] audit: type=1400 audit(1782032480.820:65): avc: denied { create } for pid=287 comm="syz-execprog" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rawip_socket permissive=1 [ 26.279627][ T24] audit: type=1400 audit(1782032480.830:66): avc: denied { module_request } for pid=287 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 [ 27.186609][ T24] audit: type=1400 audit(1782032481.770:67): avc: denied { mounton } for pid=293 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 27.189721][ T293] cgroup: Unknown subsys name 'net' [ 27.209799][ T24] audit: type=1400 audit(1782032481.770:68): avc: denied { mount } for pid=293 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 [ 27.237314][ T24] audit: type=1400 audit(1782032481.810:69): avc: denied { unmount } for pid=293 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 27.237667][ T293] cgroup: Unknown subsys name 'devices' [ 27.381682][ T293] cgroup: Unknown subsys name 'hugetlb' [ 27.387290][ T293] cgroup: Unknown subsys name 'rlimit' [ 27.535353][ T24] audit: type=1400 audit(1782032482.120:70): avc: denied { setattr } for pid=293 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=253 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 27.558573][ T24] audit: type=1400 audit(1782032482.120:71): avc: denied { create } for pid=293 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 [ 27.579138][ T24] audit: type=1400 audit(1782032482.120:72): avc: denied { write } for pid=293 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 27.588088][ T297] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 27.599855][ T24] audit: type=1400 audit(1782032482.120:73): avc: denied { read } for pid=293 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 27.640690][ T293] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 28.053980][ T300] request_module fs-gadgetfs succeeded, but still no fs? [ 28.064835][ T300] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 28.217125][ T313] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.224297][ T313] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.231840][ T313] device bridge_slave_0 entered promiscuous mode [ 28.239824][ T313] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.246923][ T313] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.254306][ T313] device bridge_slave_1 entered promiscuous mode [ 28.294472][ T313] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.301560][ T313] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.308837][ T313] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.315893][ T313] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.334506][ T314] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.342127][ T314] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.349354][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 28.357346][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.367254][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.375424][ T314] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.382489][ T314] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.391250][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.399447][ T314] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.406518][ T314] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.419258][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.428710][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.442342][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.454202][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 28.462560][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 28.470602][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 28.479231][ T313] device veth0_vlan entered promiscuous mode [ 28.490115][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 28.499043][ T313] device veth1_macvtap entered promiscuous mode [ 28.508161][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 28.518021][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 29.222876][ T7] device bridge_slave_1 left promiscuous mode [ 29.229135][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.237078][ T7] device bridge_slave_0 left promiscuous mode [ 29.243781][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.252254][ T7] device veth1_macvtap left promiscuous mode [ 29.258285][ T7] device veth0_vlan left promiscuous mode 2026/06/21 09:01:23 executed programs: 0 [ 29.389640][ T364] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.397764][ T364] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.405245][ T364] device bridge_slave_0 entered promiscuous mode [ 29.412529][ T364] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.419576][ T364] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.427073][ T364] device bridge_slave_1 entered promiscuous mode [ 29.467528][ T364] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.474683][ T364] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.481978][ T364] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.489014][ T364] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.506581][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 29.514296][ T314] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.522073][ T314] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.531171][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 29.539427][ T314] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.546498][ T314] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.555741][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 29.564094][ T314] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.571215][ T314] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.586916][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 29.594892][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 29.610997][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 29.623558][ T364] device veth0_vlan entered promiscuous mode [ 29.630817][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 29.639044][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 29.646747][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 29.658097][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 29.667498][ T364] device veth1_macvtap entered promiscuous mode [ 29.676515][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 29.686392][ T314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 29.720753][ T382] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 29.734841][ T382] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 29.747229][ T382] EXT4-fs (loop2): 1 truncate cleaned up [ 29.753804][ T382] EXT4-fs (loop2): mounted filesystem without journal. Opts: noblock_validity,max_batch_time=0x0000000000000002,resuid=0x0000000000000000,block_validity,stripe=0x0000000000000009,nombcache,,errors=continue [ 29.783209][ T382] ================================================================== [ 29.791499][ T382] BUG: KASAN: use-after-free in ext4_search_dir+0xf8/0x1c0 [ 29.799099][ T382] Read of size 1 at addr ffff88812752cc86 by task syz.2.17/382 [ 29.807826][ T382] [ 29.810319][ T382] CPU: 0 PID: 382 Comm: syz.2.17 Not tainted syzkaller #0 [ 29.817512][ T382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 29.828934][ T382] Call Trace: [ 29.832294][ T382] __dump_stack+0x21/0x24 [ 29.836811][ T382] dump_stack_lvl+0x1a7/0x208 [ 29.841494][ T382] ? show_regs_print_info+0x18/0x18 [ 29.847033][ T382] ? thaw_kernel_threads+0x220/0x220 [ 29.852973][ T382] print_address_description+0x7f/0x2c0 [ 29.858657][ T382] ? ext4_search_dir+0xf8/0x1c0 [ 29.863916][ T382] kasan_report+0x100/0x140 [ 29.869447][ T382] ? ext4_search_dir+0xf8/0x1c0 [ 29.874838][ T382] __asan_report_load1_noabort+0x14/0x20 [ 29.880998][ T382] ext4_search_dir+0xf8/0x1c0 [ 29.886584][ T382] ext4_find_inline_entry+0x4f2/0x630 [ 29.891963][ T382] ? ext4_try_create_inline_dir+0x310/0x310 [ 29.897853][ T382] ? __kasan_check_write+0x14/0x20 [ 29.903090][ T382] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 29.908542][ T382] __ext4_find_entry+0x2fa/0x1930 [ 29.913560][ T382] ? stack_trace_save+0xa6/0xf0 [ 29.918407][ T382] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 29.924210][ T382] ? __stack_depot_save+0x480/0x4c0 [ 29.929405][ T382] ? ext4_ci_compare+0x3f0/0x3f0 [ 29.934369][ T382] ? __kmalloc+0x19f/0x330 [ 29.938785][ T382] ? __d_alloc+0xab/0x690 [ 29.943128][ T382] ? d_alloc+0x48/0x260 [ 29.947275][ T382] ? __lookup_hash+0xcb/0x250 [ 29.952023][ T382] ? filename_create+0x1d7/0x680 [ 29.956962][ T382] ? do_mkdirat+0x5e/0x340 [ 29.961384][ T382] ? __x64_sys_mkdirat+0x7b/0x90 [ 29.966338][ T382] ? do_syscall_64+0x31/0x40 [ 29.970925][ T382] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 29.976990][ T382] ? generic_set_encrypted_ci_d_ops+0xce/0x100 [ 29.983139][ T382] ext4_lookup+0x305/0x8c0 [ 29.987550][ T382] ? ext4_add_entry+0xf90/0xf90 [ 29.992428][ T382] ? d_alloc+0x1f4/0x260 [ 29.996668][ T382] __lookup_hash+0x114/0x250 [ 30.001251][ T382] filename_create+0x1d7/0x680 [ 30.006008][ T382] ? __check_object_size+0x2dd/0x3b0 [ 30.011284][ T382] ? kern_path_create+0x40/0x40 [ 30.016132][ T382] ? getname_flags+0x205/0x510 [ 30.021007][ T382] do_mkdirat+0x5e/0x340 [ 30.025431][ T382] __x64_sys_mkdirat+0x7b/0x90 [ 30.030288][ T382] do_syscall_64+0x31/0x40 [ 30.034703][ T382] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 30.040687][ T382] RIP: 0033:0x7efc7c657cc7 [ 30.045102][ T382] Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 30.065873][ T382] RSP: 002b:00007efc7c4bae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 30.074287][ T382] RAX: ffffffffffffffda RBX: 00007efc7c4baee0 RCX: 00007efc7c657cc7 [ 30.082276][ T382] RDX: 00000000000001ff RSI: 0000200000000080 RDI: 00000000ffffff9c [ 30.090336][ T382] RBP: 0000200000000140 R08: 0000200000000080 R09: 0000000000000000 [ 30.098310][ T382] R10: 0000200000000140 R11: 0000000000000246 R12: 0000200000000080 [ 30.106287][ T382] R13: 00007efc7c4baea0 R14: 0000000000000000 R15: 0000000000000000 [ 30.114259][ T382] [ 30.116581][ T382] The buggy address belongs to the page: [ 30.122225][ T382] page:ffffea00049d4b00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x12752c [ 30.132452][ T382] flags: 0x4000000000000000() [ 30.137125][ T382] raw: 4000000000000000 ffffea00049717c8 ffffea0004975448 0000000000000000 [ 30.146045][ T382] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 30.154820][ T382] page dumped because: kasan: bad access detected [ 30.161367][ T382] page_owner tracks the page as freed [ 30.166744][ T382] page last allocated via order 0, migratetype Movable, gfp_mask 0x100cca(GFP_HIGHUSER_MOVABLE), pid 360, ts 29109276013, free_ts 29356072505 [ 30.181580][ T382] prep_new_page+0x176/0x190 [ 30.186163][ T382] get_page_from_freelist+0x225f/0x23f0 [ 30.191694][ T382] __alloc_pages_nodemask+0x29a/0x640 [ 30.197053][ T382] handle_pte_fault+0x1050/0x3910 [ 30.202063][ T382] handle_mm_fault+0xf86/0x1720 [ 30.206950][ T382] do_user_addr_fault+0x576/0xe20 [ 30.212114][ T382] exc_page_fault+0x5a/0xc0 [ 30.216894][ T382] asm_exc_page_fault+0x1e/0x30 [ 30.221819][ T382] page last free stack trace: [ 30.226526][ T382] free_unref_page_prepare+0x2b7/0x2d0 [ 30.232117][ T382] free_unref_page_list+0x129/0x9c0 [ 30.237659][ T382] release_pages+0xe41/0xe90 [ 30.242250][ T382] free_pages_and_swap_cache+0x86/0xa0 [ 30.247724][ T382] tlb_finish_mmu+0x17e/0x310 [ 30.252417][ T382] exit_mmap+0x329/0x590 [ 30.256842][ T382] __mmput+0x92/0x2d0 [ 30.260825][ T382] mmput+0x4e/0x150 [ 30.264716][ T382] do_exit+0x9d8/0x24e0 [ 30.268877][ T382] do_group_exit+0x149/0x310 [ 30.273464][ T382] get_signal+0xfb1/0x1300 [ 30.277873][ T382] arch_do_signal_or_restart+0xe7/0x11b0 [ 30.283513][ T382] exit_to_user_mode_loop+0xa2/0xe0 [ 30.288730][ T382] exit_to_user_mode_prepare+0x76/0xa0 [ 30.294224][ T382] syscall_exit_to_user_mode+0x1d/0x40 [ 30.299688][ T382] do_syscall_64+0x3d/0x40 [ 30.304136][ T382] [ 30.306484][ T382] Memory state around the buggy address: [ 30.312125][ T382] ffff88812752cb80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.320190][ T382] ffff88812752cc00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.328290][ T382] >ffff88812752cc80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.336356][ T382] ^ [ 30.340432][ T382] ffff88812752cd00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.348525][ T382] ffff88812752cd80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.356668][ T382] ================================================================== [ 30.364729][ T382] Disabling lock debugging due to kernel taint