Warning: Permanently added '10.128.1.93' (ED25519) to the list of known hosts. 2026/06/14 20:46:15 parsed 1 programs [ 24.088567][ T28] audit: type=1400 audit(1781469975.255:64): avc: denied { node_bind } for pid=296 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 24.109353][ T28] audit: type=1400 audit(1781469975.265:65): avc: denied { module_request } for pid=296 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 [ 24.855192][ T28] audit: type=1400 audit(1781469976.025:66): avc: denied { mounton } for pid=302 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 [ 24.856259][ T302] cgroup: Unknown subsys name 'net' [ 24.877852][ T28] audit: type=1400 audit(1781469976.025:67): avc: denied { mount } for pid=302 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 [ 24.905107][ T28] audit: type=1400 audit(1781469976.055:68): avc: denied { unmount } for pid=302 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.905259][ T302] cgroup: Unknown subsys name 'devices' [ 25.050606][ T302] cgroup: Unknown subsys name 'hugetlb' [ 25.056218][ T302] cgroup: Unknown subsys name 'rlimit' [ 25.163556][ T28] audit: type=1400 audit(1781469976.335:69): avc: denied { setattr } for pid=302 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 25.186727][ T28] audit: type=1400 audit(1781469976.335:70): avc: denied { create } for pid=302 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 [ 25.207248][ T28] audit: type=1400 audit(1781469976.335:71): avc: denied { write } for pid=302 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.209918][ T306] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 25.227724][ T28] audit: type=1400 audit(1781469976.335:72): avc: denied { read } for pid=302 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.256244][ T28] audit: type=1400 audit(1781469976.335:73): avc: denied { mounton } for pid=302 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 [ 25.262717][ T302] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 25.904286][ T310] request_module fs-gadgetfs succeeded, but still no fs? [ 26.375826][ T344] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.383235][ T344] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.390740][ T344] device bridge_slave_0 entered promiscuous mode [ 26.397558][ T344] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.404628][ T344] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.412118][ T344] device bridge_slave_1 entered promiscuous mode [ 26.452169][ T344] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.459222][ T344] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.466462][ T344] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.473493][ T344] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.489909][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.497477][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.504806][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.514075][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.522501][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.529551][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.538071][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.546471][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.553511][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.566488][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.575598][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.588178][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.600172][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.608315][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.615863][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.623913][ T344] device veth0_vlan entered promiscuous mode [ 26.633445][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.642398][ T344] device veth1_macvtap entered promiscuous mode [ 26.651274][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.661075][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/06/14 20:46:18 executed programs: 0 [ 27.069890][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.076933][ T372] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.084537][ T372] device bridge_slave_0 entered promiscuous mode [ 27.097286][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.104540][ T372] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.111980][ T372] device bridge_slave_1 entered promiscuous mode [ 27.150908][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.157945][ T372] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.165219][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.172257][ T372] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.188415][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.196507][ T40] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.203744][ T40] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.216008][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.224277][ T40] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.231317][ T40] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.239751][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.247933][ T40] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.254984][ T40] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.272099][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.281159][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.294370][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.305188][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.313346][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.320766][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.332657][ T372] device veth0_vlan entered promiscuous mode [ 27.342221][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.351292][ T372] device veth1_macvtap entered promiscuous mode [ 27.360414][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.370896][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 28.051349][ T8] device bridge_slave_1 left promiscuous mode [ 28.057562][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.065232][ T8] device bridge_slave_0 left promiscuous mode [ 28.072098][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.080452][ T8] device veth1_macvtap left promiscuous mode [ 28.091227][ T8] device veth0_vlan left promiscuous mode [ 28.470712][ T417] ================================================================== [ 28.478799][ T417] BUG: KASAN: use-after-free in mutex_lock+0x86/0x1b0 [ 28.485575][ T417] Write of size 8 at addr ffff888116276950 by task syz.2.37/417 [ 28.493187][ T417] [ 28.495493][ T417] CPU: 1 PID: 417 Comm: syz.2.37 Not tainted syzkaller #0 [ 28.502580][ T417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 28.512651][ T417] Call Trace: [ 28.515919][ T417] [ 28.518835][ T417] __dump_stack+0x21/0x24 [ 28.523151][ T417] dump_stack_lvl+0x110/0x170 [ 28.527811][ T417] ? __cfi_dump_stack_lvl+0x8/0x8 [ 28.532822][ T417] ? mutex_lock+0x86/0x1b0 [ 28.537226][ T417] print_address_description+0x71/0x200 [ 28.542843][ T417] print_report+0x4a/0x60 [ 28.547155][ T417] kasan_report+0x122/0x150 [ 28.551642][ T417] ? mutex_lock+0x86/0x1b0 [ 28.556048][ T417] kasan_check_range+0x249/0x2a0 [ 28.560970][ T417] __kasan_check_write+0x14/0x20 [ 28.565893][ T417] mutex_lock+0x86/0x1b0 [ 28.570123][ T417] ? __cfi_mutex_lock+0x10/0x10 [ 28.574959][ T417] ? kfree+0x6f/0xf0 [ 28.578835][ T417] ? l2tp_session_put+0xaf/0x1a0 [ 28.583757][ T417] ? l2tp_session_delete+0x3df/0x4d0 [ 28.589025][ T417] pppol2tp_release+0x178/0x2b0 [ 28.593861][ T417] sock_close+0xc9/0x220 [ 28.598090][ T417] ? __cfi_sock_close+0x10/0x10 [ 28.602927][ T417] __fput+0x1fd/0x8f0 [ 28.606898][ T417] ____fput+0x15/0x20 [ 28.611387][ T417] task_work_run+0x1e1/0x250 [ 28.615994][ T417] ? __cfi_task_work_run+0x10/0x10 [ 28.621090][ T417] ? free_nsproxy+0x21f/0x270 [ 28.625755][ T417] do_exit+0xa7c/0x27c0 [ 28.629898][ T417] ? _raw_spin_lock+0x94/0xf0 [ 28.634561][ T417] ? __cfi_do_exit+0x10/0x10 [ 28.639135][ T417] ? plist_del+0x3ec/0x400 [ 28.643540][ T417] ? _raw_spin_unlock+0x4c/0x70 [ 28.648402][ T417] ? __kasan_check_write+0x14/0x20 [ 28.653501][ T417] ? _raw_spin_lock_irq+0x95/0xf0 [ 28.658511][ T417] do_group_exit+0x21b/0x2e0 [ 28.663090][ T417] ? __kasan_check_write+0x14/0x20 [ 28.668181][ T417] ? recalc_sigpending+0x168/0x1c0 [ 28.673276][ T417] get_signal+0x1382/0x14f0 [ 28.677768][ T417] arch_do_signal_or_restart+0xd1/0x11c0 [ 28.683392][ T417] ? do_futex+0x2e2/0x430 [ 28.687711][ T417] ? __cfi_do_futex+0x10/0x10 [ 28.692369][ T417] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 28.698507][ T417] ? __se_sys_futex+0x136/0x310 [ 28.703342][ T417] exit_to_user_mode_loop+0x7a/0xb0 [ 28.708522][ T417] exit_to_user_mode_prepare+0x87/0xd0 [ 28.713963][ T417] syscall_exit_to_user_mode+0x1a/0x30 [ 28.719407][ T417] do_syscall_64+0x58/0xa0 [ 28.723811][ T417] ? clear_bhb_loop+0x30/0x80 [ 28.728468][ T417] ? clear_bhb_loop+0x30/0x80 [ 28.733123][ T417] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.739001][ T417] RIP: 0033:0x7fa83b59ce59 [ 28.743407][ T417] Code: Unable to access opcode bytes at 0x7fa83b59ce2f. [ 28.750408][ T417] RSP: 002b:00007fa83c46d0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 28.758996][ T417] RAX: fffffffffffffe00 RBX: 00007fa83b815fa8 RCX: 00007fa83b59ce59 [ 28.766950][ T417] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa83b815fa8 [ 28.774904][ T417] RBP: 00007fa83b815fa0 R08: 0000000000000000 R09: 0000000000000000 [ 28.782857][ T417] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 28.790818][ T417] R13: 00007fa83b816038 R14: 00007ffd93576610 R15: 00007ffd935766f8 [ 28.798793][ T417] [ 28.801793][ T417] [ 28.804093][ T417] Allocated by task 417: [ 28.808319][ T417] kasan_set_track+0x4b/0x70 [ 28.812895][ T417] kasan_save_alloc_info+0x1f/0x30 [ 28.817991][ T417] __kasan_kmalloc+0x95/0xb0 [ 28.822564][ T417] __kmalloc+0xb4/0x1e0 [ 28.826700][ T417] l2tp_session_create+0x38/0xbd0 [ 28.831703][ T417] pppol2tp_connect+0xbf5/0x1640 [ 28.836621][ T417] __sys_connect+0x3da/0x460 [ 28.841193][ T417] __x64_sys_connect+0x7a/0x90 [ 28.845938][ T417] x64_sys_call+0x88d/0x9a0 [ 28.850426][ T417] do_syscall_64+0x4c/0xa0 [ 28.854826][ T417] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.860704][ T417] [ 28.863008][ T417] Freed by task 417: [ 28.866877][ T417] kasan_set_track+0x4b/0x70 [ 28.871448][ T417] kasan_save_free_info+0x2b/0x40 [ 28.876454][ T417] ____kasan_slab_free+0x132/0x180 [ 28.881550][ T417] __kasan_slab_free+0x11/0x20 [ 28.886302][ T417] slab_free_freelist_hook+0xc2/0x190 [ 28.891655][ T417] __kmem_cache_free+0xb7/0x1b0 [ 28.896491][ T417] kfree+0x6f/0xf0 [ 28.900189][ T417] l2tp_session_put+0xaf/0x1a0 [ 28.904934][ T417] l2tp_session_delete+0x3df/0x4d0 [ 28.910026][ T417] pppol2tp_release+0x169/0x2b0 [ 28.914859][ T417] sock_close+0xc9/0x220 [ 28.919086][ T417] __fput+0x1fd/0x8f0 [ 28.923052][ T417] ____fput+0x15/0x20 [ 28.927014][ T417] task_work_run+0x1e1/0x250 [ 28.931585][ T417] do_exit+0xa7c/0x27c0 [ 28.935724][ T417] do_group_exit+0x21b/0x2e0 [ 28.940301][ T417] get_signal+0x1382/0x14f0 [ 28.944788][ T417] arch_do_signal_or_restart+0xd1/0x11c0 [ 28.950408][ T417] exit_to_user_mode_loop+0x7a/0xb0 [ 28.955587][ T417] exit_to_user_mode_prepare+0x87/0xd0 [ 28.961025][ T417] syscall_exit_to_user_mode+0x1a/0x30 [ 28.966468][ T417] do_syscall_64+0x58/0xa0 [ 28.970865][ T417] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.976746][ T417] [ 28.979048][ T417] The buggy address belongs to the object at ffff888116276800 [ 28.979048][ T417] which belongs to the cache kmalloc-512 of size 512 [ 28.993079][ T417] The buggy address is located 336 bytes inside of [ 28.993079][ T417] 512-byte region [ffff888116276800, ffff888116276a00) [ 29.006334][ T417] [ 29.008639][ T417] The buggy address belongs to the physical page: [ 29.015034][ T417] page:ffffea0004589d00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x116274 [ 29.025254][ T417] head:ffffea0004589d00 order:2 compound_mapcount:0 compound_pincount:0 [ 29.033557][ T417] flags: 0x4000000000010200(slab|head|zone=1) [ 29.039622][ T417] raw: 4000000000010200 0000000000000000 dead000000000001 ffff888100042f00 [ 29.048186][ T417] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 29.056745][ T417] page dumped because: kasan: bad access detected [ 29.063137][ T417] page_owner tracks the page as allocated [ 29.068825][ T417] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 108, tgid 108 (udevd), ts 4113574064, free_ts 0 [ 29.088437][ T417] post_alloc_hook+0x1f5/0x210 [ 29.093208][ T417] prep_new_page+0x1c/0x110 [ 29.097713][ T417] get_page_from_freelist+0x2ca9/0x2d20 [ 29.103255][ T417] __alloc_pages+0x1fa/0x610 [ 29.107835][ T417] alloc_slab_page+0x6e/0xf0 [ 29.112495][ T417] new_slab+0x98/0x3e0 [ 29.116545][ T417] ___slab_alloc+0x70f/0xb70 [ 29.121120][ T417] __slab_alloc+0x5e/0xa0 [ 29.125434][ T417] __kmem_cache_alloc_node+0x204/0x2d0 [ 29.130881][ T417] __kmalloc_node_track_caller+0xa1/0x1e0 [ 29.136595][ T417] __alloc_skb+0x226/0x4a0 [ 29.140992][ T417] alloc_skb_with_frags+0xa8/0x620 [ 29.146083][ T417] sock_alloc_send_pskb+0x87f/0x9a0 [ 29.151266][ T417] unix_dgram_sendmsg+0x5c1/0x1710 [ 29.156367][ T417] sock_write_iter+0x2ea/0x3f0 [ 29.161125][ T417] vfs_write+0x5ef/0xd00 [ 29.165350][ T417] page_owner free stack trace missing [ 29.170693][ T417] [ 29.173000][ T417] Memory state around the buggy address: [ 29.178606][ T417] ffff888116276800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.186662][ T417] ffff888116276880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.194720][ T417] >ffff888116276900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.202767][ T417] ^ [ 29.209417][ T417] ffff888116276980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.217455][ T417] ffff888116276a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.225500][ T417] ================================================================== [ 29.242382][ T28] kauditd_printk_skb: 34 callbacks suppressed [ 29.242395][ T28] audit: type=1400 audit(1781469980.415:108): avc: denied { read } for pid=85 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 29.243957][ T417] Disabling lock debugging due to kernel taint [ 29.248508][ T28] audit: type=1400 audit(1781469980.415:109): avc: denied { search } for pid=85 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 29.299441][ T28] audit: type=1400 audit(1781469980.415:110): avc: denied { write } for pid=85 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 29.320920][ T28] audit: type=1400 audit(1781469980.415:111): avc: denied { add_name } for pid=85 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 29.341889][ T28] audit: type=1400 audit(1781469980.415:112): avc: denied { create } for pid=85 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 29.362353][ T28] audit: type=1400 audit(1781469980.415:113): avc: denied { append open } for pid=85 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 29.385282][ T28] audit: type=1400 audit(1781469980.415:114): avc: denied { getattr } for pid=85 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 2026/06/14 20:46:23 executed programs: 81 [ 32.040581][ T28] audit: type=1400 audit(1781469983.215:115): avc: denied { write } for pid=296 comm="syz-execprog" path="pipe:[14628]" dev="pipefs" ino=14628 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 2026/06/14 20:46:28 executed programs: 193