Warning: Permanently added '10.128.0.228' (ED25519) to the list of known hosts. 2026/06/22 04:14:01 parsed 1 programs 2026/06/22 04:14:01 serving rpc on tcp://41825 [ 23.961606][ T30] audit: type=1400 audit(1782101641.628:64): avc: denied { node_bind } for pid=293 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 23.983857][ T30] audit: type=1400 audit(1782101641.628:65): avc: denied { module_request } for pid=293 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 [ 24.655903][ T30] audit: type=1400 audit(1782101642.328:66): avc: denied { mounton } for pid=299 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 [ 24.657065][ T299] cgroup: Unknown subsys name 'net' [ 24.678834][ T30] audit: type=1400 audit(1782101642.328:67): avc: denied { mount } for pid=299 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 [ 24.706139][ T30] audit: type=1400 audit(1782101642.348:68): avc: denied { unmount } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.706303][ T299] cgroup: Unknown subsys name 'devices' [ 24.846944][ T299] cgroup: Unknown subsys name 'hugetlb' [ 24.852730][ T299] cgroup: Unknown subsys name 'rlimit' [ 24.995857][ T30] audit: type=1400 audit(1782101642.668:69): avc: denied { setattr } for pid=299 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 [ 25.019915][ T30] audit: type=1400 audit(1782101642.668:70): avc: denied { create } for pid=299 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 [ 25.031018][ T303] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 25.041032][ T30] audit: type=1400 audit(1782101642.668:71): avc: denied { write } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.069834][ T30] audit: type=1400 audit(1782101642.668:72): avc: denied { read } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.090387][ T30] audit: type=1400 audit(1782101642.668:73): avc: denied { mounton } for pid=299 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 [ 25.096778][ T299] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 25.515981][ T307] request_module fs-gadgetfs succeeded, but still no fs? [ 26.039232][ T342] syz-executor (342) used greatest stack depth: 22080 bytes left [ 26.125739][ T358] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.133440][ T358] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.141315][ T358] device bridge_slave_0 entered promiscuous mode [ 26.148300][ T358] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.156395][ T358] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.163932][ T358] device bridge_slave_1 entered promiscuous mode [ 26.201305][ T358] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.208770][ T358] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.216204][ T358] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.223316][ T358] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.240024][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.247761][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.256348][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.266099][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.275780][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.283078][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.292071][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.301055][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.308334][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.320446][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.330725][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.343526][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.355517][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.364242][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.372907][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.382433][ T358] device veth0_vlan entered promiscuous mode [ 26.393244][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.404119][ T358] device veth1_macvtap entered promiscuous mode [ 26.413263][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.428693][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 26.460076][ T358] syz-executor (358) used greatest stack depth: 20576 bytes left 2026/06/22 04:14:04 executed programs: 0 [ 26.689277][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.697489][ T369] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.705737][ T369] device bridge_slave_0 entered promiscuous mode [ 26.712718][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.719829][ T369] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.727401][ T369] device bridge_slave_1 entered promiscuous mode [ 26.770608][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.778008][ T369] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.785448][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.792778][ T369] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.813879][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.822122][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.829743][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.838739][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.847208][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.854420][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.868703][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.876921][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.884059][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.896446][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.910551][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.925362][ T369] device veth0_vlan entered promiscuous mode [ 26.935359][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.944374][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.953132][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.962189][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.972263][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.986513][ T369] device veth1_macvtap entered promiscuous mode [ 26.996747][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.009588][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.033068][ T375] loop2: detected capacity change from 0 to 512 [ 27.078335][ T375] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 27.092392][ T375] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 27.104345][ T375] EXT4-fs (loop2): 1 truncate cleaned up [ 27.110329][ T375] EXT4-fs (loop2): mounted filesystem without journal. Opts: max_batch_time=0x0000000000000004,max_batch_time=0x0000000000000002,resuid=0x0000000000000000,block_validity,errors=remount-ro,nombcache,. Quota mode: none. [ 27.139099][ T375] ================================================================== [ 27.147277][ T375] BUG: KASAN: use-after-free in ext4_convert_inline_data_nolock+0x313/0xcd0 [ 27.156621][ T375] Read of size 68 at addr ffff88811f9b3c80 by task syz.2.17/375 [ 27.164703][ T375] [ 27.167146][ T375] CPU: 0 PID: 375 Comm: syz.2.17 Not tainted syzkaller #0 [ 27.175387][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 27.186053][ T375] Call Trace: [ 27.189333][ T375] [ 27.192396][ T375] __dump_stack+0x21/0x30 [ 27.197029][ T375] dump_stack_lvl+0x110/0x170 [ 27.201973][ T375] ? show_regs_print_info+0x20/0x20 [ 27.207739][ T375] ? load_image+0x3f0/0x3f0 [ 27.212233][ T375] print_address_description+0x7f/0x2c0 [ 27.218030][ T375] ? ext4_convert_inline_data_nolock+0x313/0xcd0 [ 27.224526][ T375] kasan_report+0x10f/0x150 [ 27.229104][ T375] ? ext4_convert_inline_data_nolock+0x313/0xcd0 [ 27.235422][ T375] kasan_check_range+0x249/0x2a0 [ 27.240347][ T375] ? ext4_convert_inline_data_nolock+0x313/0xcd0 [ 27.247184][ T375] memcpy+0x2d/0x70 [ 27.250980][ T375] ext4_convert_inline_data_nolock+0x313/0xcd0 [ 27.257703][ T375] ? ext4_add_dirent_to_inline+0x4d0/0x4d0 [ 27.265849][ T375] ? ext4_get_inode_loc+0x100/0x130 [ 27.271747][ T375] ext4_try_add_inline_entry+0x737/0xa70 [ 27.277638][ T375] ? __kasan_check_read+0x11/0x20 [ 27.282709][ T375] ? ext4_da_write_inline_data_begin+0xba0/0xba0 [ 27.289032][ T375] ? memset+0x35/0x40 [ 27.293742][ T375] ? ext4_fname_setup_ci_filename+0x69/0x480 [ 27.301046][ T375] ext4_add_entry+0x711/0x1020 [ 27.307029][ T375] ? ext4_inc_count+0x1b0/0x1b0 [ 27.312651][ T375] ? __ext4_mark_inode_dirty+0x40e/0x5e0 [ 27.318375][ T375] ? ext4_init_new_dir+0x789/0x980 [ 27.323483][ T375] ext4_mkdir+0x520/0xc90 [ 27.327797][ T375] ? ext4_symlink+0xcd0/0xcd0 [ 27.332569][ T375] ? selinux_inode_mkdir+0x22/0x30 [ 27.337668][ T375] ? security_inode_mkdir+0xbd/0x110 [ 27.343054][ T375] vfs_mkdir+0x38b/0x590 [ 27.347668][ T375] do_mkdirat+0x174/0x4d0 [ 27.352914][ T375] __x64_sys_mkdirat+0x89/0xa0 [ 27.357960][ T375] x64_sys_call+0x37e/0x9a0 [ 27.362740][ T375] do_syscall_64+0x4c/0xa0 [ 27.367151][ T375] ? clear_bhb_loop+0x50/0xa0 [ 27.371816][ T375] ? clear_bhb_loop+0x50/0xa0 [ 27.376565][ T375] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 27.382475][ T375] RIP: 0033:0x7fe9ead22cc7 [ 27.387452][ T375] 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 [ 27.408608][ T375] RSP: 002b:00007ffe88e966f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 27.417218][ T375] RAX: ffffffffffffffda RBX: 00007ffe88e96780 RCX: 00007fe9ead22cc7 [ 27.425448][ T375] RDX: 00000000000001ff RSI: 0000200000000080 RDI: 00000000ffffff9c [ 27.433680][ T375] RBP: 0000200000000140 R08: 0000200000000080 R09: 0000000000000000 [ 27.441828][ T375] R10: 0000200000000140 R11: 0000000000000246 R12: 0000200000000080 [ 27.449961][ T375] R13: 00007ffe88e96740 R14: 0000000000000000 R15: 0000000000000000 [ 27.458366][ T375] [ 27.461459][ T375] [ 27.463767][ T375] Allocated by task 308: [ 27.468087][ T375] __kasan_slab_alloc+0xb7/0xe0 [ 27.472997][ T375] slab_post_alloc_hook+0x4f/0x2b0 [ 27.478210][ T375] kmem_cache_alloc+0xf7/0x260 [ 27.482969][ T375] getname_flags+0xba/0x510 [ 27.487824][ T375] user_path_at_empty+0x2f/0x1c0 [ 27.493135][ T375] vfs_statx+0x109/0xa20 [ 27.498412][ T375] __se_sys_newfstatat+0x10e/0x3d0 [ 27.503737][ T375] __x64_sys_newfstatat+0x9b/0xb0 [ 27.509591][ T375] x64_sys_call+0x2c1/0x9a0 [ 27.514271][ T375] do_syscall_64+0x4c/0xa0 [ 27.518945][ T375] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 27.525315][ T375] [ 27.528062][ T375] Freed by task 308: [ 27.531932][ T375] kasan_set_track+0x4a/0x70 [ 27.536514][ T375] kasan_set_free_info+0x23/0x40 [ 27.541527][ T375] ____kasan_slab_free+0x125/0x160 [ 27.546706][ T375] __kasan_slab_free+0x11/0x20 [ 27.551465][ T375] slab_free_freelist_hook+0xc2/0x190 [ 27.557050][ T375] kmem_cache_free+0x100/0x320 [ 27.562088][ T375] user_path_at_empty+0x162/0x1c0 [ 27.567491][ T375] vfs_statx+0x109/0xa20 [ 27.571727][ T375] __se_sys_newfstatat+0x10e/0x3d0 [ 27.576821][ T375] __x64_sys_newfstatat+0x9b/0xb0 [ 27.581828][ T375] x64_sys_call+0x2c1/0x9a0 [ 27.586322][ T375] do_syscall_64+0x4c/0xa0 [ 27.590728][ T375] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 27.596696][ T375] [ 27.599275][ T375] The buggy address belongs to the object at ffff88811f9b3300 [ 27.599275][ T375] which belongs to the cache names_cache of size 4096 [ 27.614761][ T375] The buggy address is located 2432 bytes inside of [ 27.614761][ T375] 4096-byte region [ffff88811f9b3300, ffff88811f9b4300) [ 27.628553][ T375] The buggy address belongs to the page: [ 27.634807][ T375] page:ffffea00047e6c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11f9b0 [ 27.645049][ T375] head:ffffea00047e6c00 order:3 compound_mapcount:0 compound_pincount:0 [ 27.653531][ T375] flags: 0x4000000000010200(slab|head|zone=1) [ 27.659674][ T375] raw: 4000000000010200 0000000000000000 dead000000000122 ffff8881001c4d80 [ 27.668333][ T375] raw: 0000000000000000 0000000000070007 00000001ffffffff 0000000000000000 [ 27.677158][ T375] page dumped because: kasan: bad access detected [ 27.683652][ T375] page_owner tracks the page as allocated [ 27.689441][ T375] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 308, ts 25875327159, free_ts 15820250361 [ 27.710001][ T375] post_alloc_hook+0x192/0x1b0 [ 27.714758][ T375] prep_new_page+0x1c/0x110 [ 27.719663][ T375] get_page_from_freelist+0x2c3a/0x2cd0 [ 27.725660][ T375] __alloc_pages+0x1a2/0x460 [ 27.730535][ T375] new_slab+0xa0/0x4d0 [ 27.734789][ T375] ___slab_alloc+0x3ac/0x840 [ 27.739948][ T375] __slab_alloc+0x49/0x90 [ 27.744280][ T375] kmem_cache_alloc+0x138/0x260 [ 27.749383][ T375] getname_flags+0xba/0x510 [ 27.754054][ T375] getname+0x19/0x20 [ 27.758294][ T375] do_sys_openat2+0xeb/0x7f0 [ 27.763236][ T375] __x64_sys_openat+0x136/0x160 [ 27.768423][ T375] x64_sys_call+0x219/0x9a0 [ 27.773282][ T375] do_syscall_64+0x4c/0xa0 [ 27.777702][ T375] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 27.783680][ T375] page last free stack trace: [ 27.788596][ T375] free_unref_page_prepare+0x542/0x550 [ 27.794048][ T375] free_unref_page+0xae/0x540 [ 27.799096][ T375] free_compound_page+0x78/0xa0 [ 27.804381][ T375] __put_compound_page+0x77/0xb0 [ 27.809645][ T375] __put_page+0xbc/0xe0 [ 27.813807][ T375] skb_release_data+0x37c/0xa20 [ 27.818730][ T375] __kfree_skb+0x50/0x70 [ 27.822958][ T375] tcp_recvmsg_locked+0x13d1/0x24f0 [ 27.828236][ T375] tcp_recvmsg+0x233/0x770 [ 27.832639][ T375] inet_recvmsg+0x13a/0x470 [ 27.837413][ T375] sock_read_iter+0x2c2/0x380 [ 27.842086][ T375] vfs_read+0x6c0/0xc20 [ 27.846245][ T375] ksys_read+0x14a/0x260 [ 27.850718][ T375] __x64_sys_read+0x7b/0x90 [ 27.855288][ T375] x64_sys_call+0x96d/0x9a0 [ 27.859775][ T375] do_syscall_64+0x4c/0xa0 [ 27.864696][ T375] [ 27.867014][ T375] Memory state around the buggy address: [ 27.872856][ T375] ffff88811f9b3b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.881767][ T375] ffff88811f9b3c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.890097][ T375] >ffff88811f9b3c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.898154][ T375] ^ [ 27.902431][ T375] ffff88811f9b3d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.910649][ T375] ffff88811f9b3d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.918777][ T375] ================================================================== [ 27.927198][ T375] Disabling lock debugging due to kernel taint [ 27.939818][ T375] EXT4-fs error (device loop2): ext4_check_all_de:667: inode #12: block 7: comm syz.2.17: bad entry in directory: directory entry overrun - offset=0, inode=901261600, rec_len=7976, size=124 fake=0 [ 27.961071][ T375] EXT4-fs (loop2): Remounting filesystem read-only