Warning: Permanently added '10.128.0.71' (ED25519) to the list of known hosts. 2026/09/10 07:16:07 parsed 1 programs 2026/09/10 07:16:07 serving rpc on tcp://40155 [ 22.894938][ T30] audit: type=1400 audit(1789024567.805:64): 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 [ 22.916075][ T30] audit: type=1400 audit(1789024567.805:65): 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 [ 23.568033][ T30] audit: type=1400 audit(1789024568.475:66): 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 [ 23.569181][ T299] cgroup: Unknown subsys name 'net' [ 23.590715][ T30] audit: type=1400 audit(1789024568.475:67): 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 [ 23.618098][ T30] audit: type=1400 audit(1789024568.505:68): 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 [ 23.618312][ T299] cgroup: Unknown subsys name 'devices' [ 23.756743][ T299] cgroup: Unknown subsys name 'hugetlb' [ 23.762493][ T299] cgroup: Unknown subsys name 'rlimit' [ 23.906209][ T30] audit: type=1400 audit(1789024568.815:69): 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 [ 23.929954][ T30] audit: type=1400 audit(1789024568.815:70): 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 [ 23.935783][ T303] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 23.950597][ T30] audit: type=1400 audit(1789024568.815:71): 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 [ 23.980408][ T30] audit: type=1400 audit(1789024568.815:72): 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 Setting up swapspace version 1, size = 127995904 bytes [ 24.000771][ T30] audit: type=1400 audit(1789024568.815:73): 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 [ 24.049828][ T299] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 24.405730][ T305] request_module fs-gadgetfs succeeded, but still no fs? [ 24.839437][ T332] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.847157][ T332] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.854886][ T332] device bridge_slave_0 entered promiscuous mode [ 24.861958][ T332] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.869992][ T332] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.877338][ T332] device bridge_slave_1 entered promiscuous mode [ 24.921943][ T332] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.930151][ T332] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.937487][ T332] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.944835][ T332] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.962632][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.969892][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.977276][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 24.984684][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 24.993412][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.001571][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.008636][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.018314][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.026496][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.033519][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.044566][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.054252][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.067082][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 25.077722][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 25.087485][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.095003][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.103013][ T332] device veth0_vlan entered promiscuous mode [ 25.112207][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 25.121203][ T332] device veth1_macvtap entered promiscuous mode [ 25.129867][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.139691][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.167438][ T332] syz-executor (332) used greatest stack depth: 20864 bytes left 2026/09/10 07:16:10 executed programs: 0 [ 25.592259][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.599882][ T367] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.607612][ T367] device bridge_slave_0 entered promiscuous mode [ 25.615054][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.622098][ T367] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.629565][ T367] device bridge_slave_1 entered promiscuous mode [ 25.668566][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.675725][ T367] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.682956][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.690018][ T367] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.707009][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.714625][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.722790][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.732735][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.742188][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.749258][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.759711][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.768141][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.775353][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.787355][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.796583][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.809958][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 25.821493][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 25.829962][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.837846][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.850019][ T367] device veth0_vlan entered promiscuous mode [ 25.859389][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 25.868146][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 25.877877][ T367] device veth1_macvtap entered promiscuous mode [ 25.887562][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 25.895451][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 25.903943][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.913601][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 25.922166][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 26.289297][ T414] ================================================================== [ 26.297410][ T414] BUG: KASAN: use-after-free in tipc_skb_dump+0x10ff/0x1780 [ 26.304790][ T414] Read of size 4 at addr ffff8881124a70b0 by task syz.2.30/414 [ 26.312317][ T414] [ 26.314722][ T414] CPU: 0 PID: 414 Comm: syz.2.30 Not tainted syzkaller #0 [ 26.321823][ T414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 26.331877][ T414] Call Trace: [ 26.335159][ T414] [ 26.338075][ T414] __dump_stack+0x21/0x30 [ 26.342387][ T414] dump_stack_lvl+0x110/0x170 [ 26.347169][ T414] ? show_regs_print_info+0x20/0x20 [ 26.352349][ T414] ? load_image+0x3f0/0x3f0 [ 26.356834][ T414] ? scnprintf+0x100/0x180 [ 26.361241][ T414] print_address_description+0x7f/0x2c0 [ 26.366771][ T414] ? tipc_skb_dump+0x10ff/0x1780 [ 26.371825][ T414] kasan_report+0x10f/0x150 [ 26.376362][ T414] ? tipc_skb_dump+0x10ff/0x1780 [ 26.381286][ T414] __asan_report_load4_noabort+0x14/0x20 [ 26.387026][ T414] tipc_skb_dump+0x10ff/0x1780 [ 26.391803][ T414] tipc_list_dump+0x22b/0x2f0 [ 26.396472][ T414] tipc_sk_dump+0xa12/0xfb0 [ 26.400960][ T414] perf_trace_tipc_sk_class+0x3cc/0x5e0 [ 26.406486][ T414] ? trace_event_raw_event_tipc_sk_class+0x4e0/0x4e0 [ 26.413137][ T414] ? tipc_msg_reverse+0x686/0x8f0 [ 26.418362][ T414] tipc_sk_rcv+0x292e/0x2ca0 [ 26.423084][ T414] ? ____sys_sendmsg+0x5be/0x8f0 [ 26.428015][ T414] ? __x64_sys_sendmsg+0x201/0x2d0 [ 26.433227][ T414] ? __skb_queue_purge+0x170/0x170 [ 26.438323][ T414] ? _copy_from_iter+0x5df/0x10a0 [ 26.443475][ T414] ? copy_mc_pipe_to_iter+0x7e0/0x7e0 [ 26.448843][ T414] tipc_node_xmit+0x36f/0xd80 [ 26.453507][ T414] ? __check_object_size+0x8e/0x3b0 [ 26.458829][ T414] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 26.464373][ T414] ? futex_wait_setup+0x510/0x510 [ 26.469381][ T414] __tipc_sendstream+0xa6e/0x1190 [ 26.474391][ T414] ? tsk_advance_rx_queue+0x240/0x240 [ 26.479739][ T414] ? wait_woken+0x170/0x170 [ 26.484226][ T414] ? __asan_set_shadow_00+0xe/0x10 [ 26.489335][ T414] ? do_futex+0xdd3/0x2800 [ 26.493775][ T414] tipc_sendstream+0x55/0x70 [ 26.498352][ T414] ? tipc_getsockopt+0x4d0/0x4d0 [ 26.503313][ T414] ____sys_sendmsg+0x5be/0x8f0 [ 26.508071][ T414] ? __sys_sendmsg_sock+0x40/0x40 [ 26.513083][ T414] ? lock_sock_nested+0x217/0x2a0 [ 26.518091][ T414] ? import_iovec+0x7c/0xb0 [ 26.522672][ T414] ___sys_sendmsg+0x236/0x2e0 [ 26.527360][ T414] ? __sys_sendmsg+0x280/0x280 [ 26.532128][ T414] ? __fdget+0x1a1/0x230 [ 26.536396][ T414] __x64_sys_sendmsg+0x201/0x2d0 [ 26.541320][ T414] ? ___sys_sendmsg+0x2e0/0x2e0 [ 26.546152][ T414] ? __kasan_check_write+0x14/0x20 [ 26.551372][ T414] ? switch_fpu_return+0x15d/0x2c0 [ 26.556495][ T414] x64_sys_call+0x4b/0x9a0 [ 26.560909][ T414] do_syscall_64+0x4c/0xa0 [ 26.565309][ T414] ? clear_bhb_loop+0x50/0xa0 [ 26.569983][ T414] ? clear_bhb_loop+0x50/0xa0 [ 26.574641][ T414] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 26.580512][ T414] RIP: 0033:0x7fc068302159 [ 26.584918][ T414] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 26.604588][ T414] RSP: 002b:00007fc068163028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.612988][ T414] RAX: ffffffffffffffda RBX: 00007fc068589fa0 RCX: 00007fc068302159 [ 26.620950][ T414] RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000005 [ 26.629018][ T414] RBP: 00007fc06839903b R08: 0000000000000000 R09: 0000000000000000 [ 26.636981][ T414] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 26.645017][ T414] R13: 00007fc06858a038 R14: 00007fc068589fa0 R15: 00007fff6dc443a8 [ 26.652993][ T414] [ 26.655990][ T414] [ 26.658311][ T414] Allocated by task 414: [ 26.662524][ T414] __kasan_kmalloc+0xd4/0x100 [ 26.667198][ T414] __kmalloc_track_caller+0x13c/0x2c0 [ 26.672556][ T414] __alloc_skb+0x210/0x730 [ 26.676990][ T414] tipc_msg_build+0xce/0xf30 [ 26.681589][ T414] __tipc_sendstream+0x8f3/0x1190 [ 26.686700][ T414] tipc_sendstream+0x55/0x70 [ 26.691401][ T414] ____sys_sendmsg+0x5be/0x8f0 [ 26.696171][ T414] ___sys_sendmsg+0x236/0x2e0 [ 26.700830][ T414] __x64_sys_sendmsg+0x201/0x2d0 [ 26.705766][ T414] x64_sys_call+0x4b/0x9a0 [ 26.710174][ T414] do_syscall_64+0x4c/0xa0 [ 26.714585][ T414] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 26.720473][ T414] [ 26.722779][ T414] Freed by task 415: [ 26.726654][ T414] kasan_set_track+0x4a/0x70 [ 26.731241][ T414] kasan_set_free_info+0x23/0x40 [ 26.736502][ T414] ____kasan_slab_free+0x125/0x160 [ 26.741596][ T414] __kasan_slab_free+0x11/0x20 [ 26.746363][ T414] slab_free_freelist_hook+0xc2/0x190 [ 26.751723][ T414] kfree+0xc4/0x270 [ 26.755515][ T414] skb_release_data+0x7bd/0xa20 [ 26.760343][ T414] kfree_skb+0xb9/0x2f0 [ 26.764554][ T414] tsk_advance_rx_queue+0x10f/0x240 [ 26.769767][ T414] tipc_recvstream+0x881/0xe70 [ 26.774528][ T414] ____sys_recvmsg+0x2ca/0x5b0 [ 26.779266][ T414] ___sys_recvmsg+0x213/0x5c0 [ 26.783925][ T414] __x64_sys_recvmsg+0x1fe/0x2d0 [ 26.789294][ T414] x64_sys_call+0x705/0x9a0 [ 26.794125][ T414] do_syscall_64+0x4c/0xa0 [ 26.799130][ T414] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 26.805128][ T414] [ 26.807445][ T414] The buggy address belongs to the object at ffff8881124a7000 [ 26.807445][ T414] which belongs to the cache kmalloc-1k of size 1024 [ 26.822425][ T414] The buggy address is located 176 bytes inside of [ 26.822425][ T414] 1024-byte region [ffff8881124a7000, ffff8881124a7400) [ 26.836123][ T414] The buggy address belongs to the page: [ 26.841749][ T414] page:ffffea0004492800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1124a0 [ 26.852361][ T414] head:ffffea0004492800 order:3 compound_mapcount:0 compound_pincount:0 [ 26.860726][ T414] flags: 0x4000000000010200(slab|head|zone=1) [ 26.866809][ T414] raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043080 [ 26.875508][ T414] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 26.884078][ T414] page dumped because: kasan: bad access detected [ 26.890468][ T414] page_owner tracks the page as allocated [ 26.896201][ T414] 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 414, ts 26288721626, free_ts 26265052788 [ 26.916674][ T414] post_alloc_hook+0x192/0x1b0 [ 26.921432][ T414] prep_new_page+0x1c/0x110 [ 26.926049][ T414] get_page_from_freelist+0x2c3a/0x2cd0 [ 26.931597][ T414] __alloc_pages+0x1a2/0x460 [ 26.936181][ T414] new_slab+0xa0/0x4d0 [ 26.940230][ T414] ___slab_alloc+0x3ac/0x840 [ 26.944806][ T414] __slab_alloc+0x49/0x90 [ 26.949147][ T414] __kmalloc_track_caller+0x169/0x2c0 [ 26.954507][ T414] __alloc_skb+0x210/0x730 [ 26.959253][ T414] tipc_msg_build+0xce/0xf30 [ 26.963923][ T414] __tipc_sendstream+0x8f3/0x1190 [ 26.968930][ T414] tipc_sendstream+0x55/0x70 [ 26.973873][ T414] ____sys_sendmsg+0x5be/0x8f0 [ 26.978625][ T414] ___sys_sendmsg+0x236/0x2e0 [ 26.983308][ T414] __x64_sys_sendmsg+0x201/0x2d0 [ 26.988228][ T414] x64_sys_call+0x4b/0x9a0 [ 26.992645][ T414] page last free stack trace: [ 26.997297][ T414] free_unref_page_prepare+0x5fa/0x600 [ 27.002740][ T414] free_unref_page+0xae/0x540 [ 27.007414][ T414] __free_pages+0x6c/0x100 [ 27.011815][ T414] __free_slab+0xe5/0x1e0 [ 27.016255][ T414] __unfreeze_partials+0x15a/0x190 [ 27.021359][ T414] put_cpu_partial+0xc6/0x120 [ 27.026123][ T414] __slab_free+0x1d4/0x290 [ 27.030967][ T414] ___cache_free+0x104/0x120 [ 27.035547][ T414] qlink_free+0x4d/0x90 [ 27.039688][ T414] qlist_free_all+0x5f/0xb0 [ 27.044165][ T414] kasan_quarantine_reduce+0x14a/0x170 [ 27.049693][ T414] __kasan_slab_alloc+0x2f/0xe0 [ 27.054649][ T414] slab_post_alloc_hook+0x4f/0x2b0 [ 27.059767][ T414] kmem_cache_alloc+0xf7/0x260 [ 27.064517][ T414] __alloc_skb+0xe4/0x730 [ 27.068826][ T414] netlink_sendmsg+0x611/0xb80 [ 27.073766][ T414] [ 27.076087][ T414] Memory state around the buggy address: [ 27.081704][ T414] ffff8881124a6f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.089746][ T414] ffff8881124a7000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.097821][ T414] >ffff8881124a7080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.105893][ T414] ^ [ 27.111513][ T414] ffff8881124a7100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.119563][ T414] ffff8881124a7180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.127798][ T414] ================================================================== [ 27.136539][ T414] Disabling lock debugging due to kernel taint [ 27.255981][ T8] device bridge_slave_1 left promiscuous mode [ 27.262151][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.270640][ T8] device bridge_slave_0 left promiscuous mode [ 27.276930][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.285696][ T8] device veth1_macvtap left promiscuous mode [ 27.291820][ T8] device veth0_vlan left promiscuous mode 2026/09/10 07:16:15 executed programs: 163 [ 30.596149][ T30] kauditd_printk_skb: 44 callbacks suppressed [ 30.596163][ T30] audit: type=1400 audit(1789024575.505:118): avc: denied { write } for pid=293 comm="syz-execprog" path="pipe:[14492]" dev="pipefs" ino=14492 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 2026/09/10 07:16:20 executed programs: 386