Warning: Permanently added '10.128.1.106' (ED25519) to the list of known hosts. 2026/07/01 07:53:30 parsed 1 programs 2026/07/01 07:53:30 serving rpc on tcp://46555 [ 26.248724][ T24] audit: type=1400 audit(1782892410.060:64): 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 [ 26.269966][ T24] audit: type=1400 audit(1782892410.060:65): 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 [ 26.289533][ T24] audit: type=1400 audit(1782892410.060:66): 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 [ 27.186770][ T24] audit: type=1400 audit(1782892410.990:67): 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 [ 27.190398][ T293] cgroup: Unknown subsys name 'net' [ 27.209651][ T24] audit: type=1400 audit(1782892411.000:68): 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 [ 27.237017][ T24] audit: type=1400 audit(1782892411.020:69): 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 [ 27.237537][ T293] cgroup: Unknown subsys name 'devices' [ 27.379451][ T293] cgroup: Unknown subsys name 'hugetlb' [ 27.385086][ T293] cgroup: Unknown subsys name 'rlimit' [ 27.564786][ T24] audit: type=1400 audit(1782892411.370:70): 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 [ 27.588006][ T24] audit: type=1400 audit(1782892411.370:71): 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 [ 27.608618][ T24] audit: type=1400 audit(1782892411.370:72): 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 [ 27.626879][ T298] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 27.629366][ T24] audit: type=1400 audit(1782892411.370:73): 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 [ 27.677280][ T293] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 28.099512][ T300] request_module fs-gadgetfs succeeded, but still no fs? [ 28.110610][ T300] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 28.650498][ T333] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.657773][ T333] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.665174][ T333] device bridge_slave_0 entered promiscuous mode [ 28.672262][ T333] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.679331][ T333] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.686655][ T333] device bridge_slave_1 entered promiscuous mode [ 28.727488][ T333] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.734742][ T333] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.742100][ T333] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.749157][ T333] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.768464][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.776212][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.783671][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.793739][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.802026][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.809105][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.818222][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.826398][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.833470][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.845160][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.854403][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.867518][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.879319][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 28.887385][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 28.895104][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 28.903751][ T333] device veth0_vlan entered promiscuous mode [ 28.913493][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 28.922737][ T333] device veth1_macvtap entered promiscuous mode [ 28.931967][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 28.942206][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/07/01 07:53:33 executed programs: 0 [ 29.393308][ T365] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.400694][ T365] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.408168][ T365] device bridge_slave_0 entered promiscuous mode [ 29.415114][ T365] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.422740][ T365] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.430386][ T365] device bridge_slave_1 entered promiscuous mode [ 29.495966][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.503489][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 29.514262][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 29.522830][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 29.531479][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.538535][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.546171][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 29.556080][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 29.564576][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 29.572898][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.579966][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.592122][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 29.601659][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 29.615185][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 29.626869][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 29.635424][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 29.643085][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 29.651587][ T365] device veth0_vlan entered promiscuous mode [ 29.661393][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 29.670602][ T365] device veth1_macvtap entered promiscuous mode [ 29.680162][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 29.690159][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 29.713339][ T397] ================================================================== [ 29.721485][ T397] BUG: KASAN: use-after-free in mutex_lock+0x85/0xf0 [ 29.728182][ T397] Write of size 8 at addr ffff888111405950 by task syz.2.17/397 [ 29.735819][ T397] [ 29.738167][ T397] CPU: 0 PID: 397 Comm: syz.2.17 Not tainted syzkaller #0 [ 29.745280][ T397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 29.755344][ T397] Call Trace: [ 29.758651][ T397] __dump_stack+0x21/0x24 [ 29.762991][ T397] dump_stack_lvl+0x1a7/0x208 [ 29.767683][ T397] ? show_regs_print_info+0x18/0x18 [ 29.772887][ T397] ? thaw_kernel_threads+0x220/0x220 [ 29.778215][ T397] ? debug_smp_processor_id+0x17/0x20 [ 29.783690][ T397] print_address_description+0x7f/0x2c0 [ 29.789245][ T397] ? mutex_lock+0x85/0xf0 [ 29.793597][ T397] kasan_report+0x100/0x140 [ 29.798118][ T397] ? mutex_lock+0x85/0xf0 [ 29.802820][ T397] kasan_check_range+0x249/0x2a0 [ 29.807774][ T397] __kasan_check_write+0x14/0x20 [ 29.812725][ T397] mutex_lock+0x85/0xf0 [ 29.816903][ T397] ? mutex_trylock+0xb0/0xb0 [ 29.821513][ T397] ? l2tp_session_put+0xb2/0x1a0 [ 29.826463][ T397] ? l2tp_session_delete+0x3a9/0x4a0 [ 29.831760][ T397] pppol2tp_release+0x178/0x2b0 [ 29.836624][ T397] sock_close+0xb8/0x200 [ 29.840875][ T397] ? sock_mmap+0xa0/0xa0 [ 29.845129][ T397] __fput+0x2dc/0x730 [ 29.849125][ T397] ____fput+0x15/0x20 [ 29.853122][ T397] task_work_run+0x127/0x190 [ 29.857725][ T397] exit_to_user_mode_loop+0xcb/0xe0 [ 29.862940][ T397] exit_to_user_mode_prepare+0x76/0xa0 [ 29.868419][ T397] syscall_exit_to_user_mode+0x1d/0x40 [ 29.873891][ T397] do_syscall_64+0x3d/0x40 [ 29.878336][ T397] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 29.884240][ T397] RIP: 0033:0x7f326e439e59 [ 29.888671][ T397] 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 [ 29.908384][ T397] RSP: 002b:00007fff5fa087a8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 29.916815][ T397] RAX: 0000000000000000 RBX: 00007fff5fa08890 RCX: 00007f326e439e59 [ 29.924805][ T397] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 29.932900][ T397] RBP: 00000000000073f4 R08: 0000000000000001 R09: 0000000000000000 [ 29.940917][ T397] R10: 0000001b32c20000 R11: 0000000000000246 R12: 0000000000000000 [ 29.948904][ T397] R13: 00007f326e6c1fac R14: 00007f326e6c1fa8 R15: 00007f326e6c1fa0 [ 29.956883][ T397] [ 29.959227][ T397] Allocated by task 397: [ 29.963483][ T397] __kasan_kmalloc+0xd4/0x100 [ 29.968166][ T397] __kmalloc+0x19f/0x330 [ 29.972418][ T397] l2tp_session_create+0x39/0xb60 [ 29.977444][ T397] pppol2tp_connect+0xbf5/0x1640 [ 29.982387][ T397] __sys_connect+0x3ce/0x450 [ 29.986981][ T397] __x64_sys_connect+0x7a/0x90 [ 29.991753][ T397] do_syscall_64+0x31/0x40 [ 29.996183][ T397] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 30.002072][ T397] [ 30.004408][ T397] Freed by task 397: [ 30.008310][ T397] kasan_set_track+0x4a/0x70 [ 30.012906][ T397] kasan_set_free_info+0x23/0x40 [ 30.017854][ T397] ____kasan_slab_free+0x125/0x160 [ 30.022998][ T397] __kasan_slab_free+0x11/0x20 [ 30.027799][ T397] slab_free_freelist_hook+0xc5/0x190 [ 30.033183][ T397] kfree+0xc0/0x270 [ 30.036997][ T397] l2tp_session_put+0xb2/0x1a0 [ 30.041774][ T397] l2tp_session_delete+0x3a9/0x4a0 [ 30.046891][ T397] pppol2tp_release+0x169/0x2b0 [ 30.051750][ T397] sock_close+0xb8/0x200 [ 30.055999][ T397] __fput+0x2dc/0x730 [ 30.059984][ T397] ____fput+0x15/0x20 [ 30.063981][ T397] task_work_run+0x127/0x190 [ 30.068585][ T397] exit_to_user_mode_loop+0xcb/0xe0 [ 30.073798][ T397] exit_to_user_mode_prepare+0x76/0xa0 [ 30.079263][ T397] syscall_exit_to_user_mode+0x1d/0x40 [ 30.084730][ T397] do_syscall_64+0x3d/0x40 [ 30.089162][ T397] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 30.095058][ T397] [ 30.097399][ T397] The buggy address belongs to the object at ffff888111405800 [ 30.097399][ T397] which belongs to the cache kmalloc-512 of size 512 [ 30.111461][ T397] The buggy address is located 336 bytes inside of [ 30.111461][ T397] 512-byte region [ffff888111405800, ffff888111405a00) [ 30.124739][ T397] The buggy address belongs to the page: [ 30.130409][ T397] page:ffffea0004450100 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x111404 [ 30.140645][ T397] head:ffffea0004450100 order:2 compound_mapcount:0 compound_pincount:0 [ 30.148984][ T397] flags: 0x4000000000010200(slab|head) [ 30.154453][ T397] raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100043080 [ 30.163052][ T397] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 30.171637][ T397] page dumped because: kasan: bad access detected [ 30.178052][ T397] page_owner tracks the page as allocated [ 30.183785][ T397] page last allocated via order 2, migratetype Unmovable, gfp_mask 0x152a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 365, ts 29707691315, free_ts 29676922826 [ 30.202108][ T397] prep_new_page+0x176/0x190 [ 30.206708][ T397] get_page_from_freelist+0x225f/0x23f0 [ 30.212270][ T397] __alloc_pages_nodemask+0x29a/0x640 [ 30.217666][ T397] new_slab+0x84/0x3f0 [ 30.221751][ T397] ___slab_alloc+0x2f8/0x4c0 [ 30.226347][ T397] __slab_alloc+0x63/0xa0 [ 30.230683][ T397] __kmalloc+0x1f9/0x330 [ 30.234937][ T397] ___neigh_create+0x6ec/0x1a70 [ 30.239792][ T397] __neigh_create+0x31/0x40 [ 30.244301][ T397] ip6_finish_output2+0x8fe/0x1540 [ 30.249416][ T397] __ip6_finish_output+0x5fd/0x790 [ 30.254530][ T397] ip6_finish_output+0x33/0x1e0 [ 30.259385][ T397] ip6_output+0x1fa/0x420 [ 30.263725][ T397] mld_sendpack+0x61e/0xb00 [ 30.268249][ T397] mld_ifc_timer_expire+0x862/0xc60 [ 30.273458][ T397] call_timer_fn+0x38/0x290 [ 30.277968][ T397] page last free stack trace: [ 30.282665][ T397] __free_pages_ok+0x80b/0x830 [ 30.287441][ T397] __free_pages+0xd8/0x390 [ 30.291863][ T397] __free_slab+0xcf/0x190 [ 30.296198][ T397] unfreeze_partials+0x150/0x180 [ 30.301149][ T397] put_cpu_partial+0xc1/0x180 [ 30.305834][ T397] __slab_free+0x2c9/0x3a0 [ 30.310255][ T397] ___cache_free+0x10e/0x130 [ 30.314853][ T397] qlink_free+0x50/0x90 [ 30.319028][ T397] qlist_free_all+0x5f/0xb0 [ 30.323542][ T397] kasan_quarantine_reduce+0x14a/0x160 [ 30.329007][ T397] __kasan_slab_alloc+0x2f/0xe0 [ 30.333869][ T397] slab_post_alloc_hook+0x5d/0x2f0 [ 30.338986][ T397] __kmalloc+0x17b/0x330 [ 30.343240][ T397] qdisc_alloc+0x79/0x720 [ 30.347588][ T397] qdisc_create_dflt+0x6b/0x390 [ 30.352547][ T397] dev_activate+0x292/0x11c0 [ 30.357141][ T397] [ 30.359476][ T397] Memory state around the buggy address: [ 30.365127][ T397] ffff888111405800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.373192][ T397] ffff888111405880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.381261][ T397] >ffff888111405900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.389326][ T397] ^ [ 30.396024][ T397] ffff888111405980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.404095][ T397] ffff888111405a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.412163][ T397] ================================================================== [ 30.420234][ T397] Disabling lock debugging due to kernel taint