Warning: Permanently added '10.128.0.96' (ED25519) to the list of known hosts. 2026/06/29 04:24:07 parsed 1 programs 2026/06/29 04:24:07 serving rpc on tcp://42023 [ 23.857675][ T24] audit: type=1400 audit(1782707047.410:64): 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 [ 23.879718][ T24] audit: type=1400 audit(1782707047.410:65): 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 [ 23.899502][ T24] audit: type=1400 audit(1782707047.410:66): 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 [ 24.798922][ T24] audit: type=1400 audit(1782707048.350:67): 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 [ 24.802478][ T293] cgroup: Unknown subsys name 'net' [ 24.821776][ T24] audit: type=1400 audit(1782707048.350:68): 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 [ 24.849063][ T24] audit: type=1400 audit(1782707048.380:69): 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 [ 24.849561][ T293] cgroup: Unknown subsys name 'devices' [ 24.993550][ T293] cgroup: Unknown subsys name 'hugetlb' [ 24.999194][ T293] cgroup: Unknown subsys name 'rlimit' [ 25.178343][ T24] audit: type=1400 audit(1782707048.730:70): 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 [ 25.201673][ T24] audit: type=1400 audit(1782707048.730:71): 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 [ 25.222217][ T24] audit: type=1400 audit(1782707048.730:72): 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 [ 25.242539][ T24] audit: type=1400 audit(1782707048.730:73): 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 [ 25.267496][ T297] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 25.306869][ T293] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 25.727946][ T303] request_module fs-gadgetfs succeeded, but still no fs? [ 25.738473][ T303] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 26.291926][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.299014][ T348] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.306710][ T348] device bridge_slave_0 entered promiscuous mode [ 26.313843][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.321026][ T348] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.328677][ T348] device bridge_slave_1 entered promiscuous mode [ 26.372460][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.379514][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.386994][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.394101][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.412986][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.420751][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.428564][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.437775][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.446063][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.453105][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.462434][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.471251][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.478424][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.491210][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.501163][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.515376][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.531638][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.539780][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.547457][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.555998][ T348] device veth0_vlan entered promiscuous mode [ 26.571327][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.580805][ T348] device veth1_macvtap entered promiscuous mode [ 26.590616][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.600875][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/06/29 04:24:10 executed programs: 0 [ 27.000840][ T394] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.008833][ T394] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.016365][ T394] device bridge_slave_0 entered promiscuous mode [ 27.023278][ T394] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.030314][ T394] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.037806][ T394] device bridge_slave_1 entered promiscuous mode [ 27.077004][ T394] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.084085][ T394] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.091576][ T394] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.098647][ T394] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.116210][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.124074][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.132005][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.140833][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.149340][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.156407][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.169753][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.178027][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.185110][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.197578][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.211340][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.225152][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.240771][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.249194][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.256715][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.265088][ T394] device veth0_vlan entered promiscuous mode [ 27.274996][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.288269][ T394] device veth1_macvtap entered promiscuous mode [ 27.297793][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.308163][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.332412][ T398] ================================================================== [ 27.340565][ T398] BUG: KASAN: use-after-free in mutex_lock+0x85/0xf0 [ 27.347256][ T398] Write of size 8 at addr ffff888111602150 by task syz.2.17/398 [ 27.354889][ T398] [ 27.357234][ T398] CPU: 1 PID: 398 Comm: syz.2.17 Not tainted syzkaller #0 [ 27.364332][ T398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 27.374382][ T398] Call Trace: [ 27.377673][ T398] __dump_stack+0x21/0x24 [ 27.382012][ T398] dump_stack_lvl+0x1a7/0x208 [ 27.386734][ T398] ? show_regs_print_info+0x18/0x18 [ 27.391932][ T398] ? thaw_kernel_threads+0x220/0x220 [ 27.397218][ T398] ? debug_smp_processor_id+0x17/0x20 [ 27.402589][ T398] print_address_description+0x7f/0x2c0 [ 27.408150][ T398] ? mutex_lock+0x85/0xf0 [ 27.412495][ T398] kasan_report+0x100/0x140 [ 27.417003][ T398] ? mutex_lock+0x85/0xf0 [ 27.421340][ T398] kasan_check_range+0x249/0x2a0 [ 27.426297][ T398] __kasan_check_write+0x14/0x20 [ 27.431242][ T398] mutex_lock+0x85/0xf0 [ 27.435415][ T398] ? mutex_trylock+0xb0/0xb0 [ 27.440012][ T398] ? l2tp_session_put+0xb2/0x1a0 [ 27.444954][ T398] ? l2tp_session_delete+0x3a9/0x4a0 [ 27.450240][ T398] pppol2tp_release+0x178/0x2b0 [ 27.455101][ T398] sock_close+0xb8/0x200 [ 27.459351][ T398] ? sock_mmap+0xa0/0xa0 [ 27.463593][ T398] __fput+0x2dc/0x730 [ 27.467693][ T398] ____fput+0x15/0x20 [ 27.471685][ T398] task_work_run+0x127/0x190 [ 27.476301][ T398] exit_to_user_mode_loop+0xcb/0xe0 [ 27.481522][ T398] exit_to_user_mode_prepare+0x76/0xa0 [ 27.487015][ T398] syscall_exit_to_user_mode+0x1d/0x40 [ 27.492478][ T398] do_syscall_64+0x3d/0x40 [ 27.496897][ T398] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 27.502811][ T398] RIP: 0033:0x7f3d21dd8e59 [ 27.507242][ T398] 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 [ 27.526854][ T398] RSP: 002b:00007ffe49add688 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 27.535273][ T398] RAX: 0000000000000000 RBX: 00007ffe49add770 RCX: 00007f3d21dd8e59 [ 27.543247][ T398] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 27.551247][ T398] RBP: 0000000000006aa3 R08: 0000000000000001 R09: 0000000000000000 [ 27.559223][ T398] R10: 0000001b2c920000 R11: 0000000000000246 R12: 0000000000000000 [ 27.567220][ T398] R13: 00007f3d22051fac R14: 00007f3d22051fa8 R15: 00007f3d22051fa0 [ 27.575192][ T398] [ 27.577540][ T398] Allocated by task 398: [ 27.581781][ T398] __kasan_kmalloc+0xd4/0x100 [ 27.586453][ T398] __kmalloc+0x19f/0x330 [ 27.590716][ T398] l2tp_session_create+0x39/0xb60 [ 27.595745][ T398] pppol2tp_connect+0xbf5/0x1640 [ 27.600682][ T398] __sys_connect+0x3ce/0x450 [ 27.605527][ T398] __x64_sys_connect+0x7a/0x90 [ 27.610283][ T398] do_syscall_64+0x31/0x40 [ 27.614700][ T398] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 27.620590][ T398] [ 27.622921][ T398] Freed by task 398: [ 27.626806][ T398] kasan_set_track+0x4a/0x70 [ 27.631406][ T398] kasan_set_free_info+0x23/0x40 [ 27.636443][ T398] ____kasan_slab_free+0x125/0x160 [ 27.641567][ T398] __kasan_slab_free+0x11/0x20 [ 27.646323][ T398] slab_free_freelist_hook+0xc5/0x190 [ 27.651686][ T398] kfree+0xc0/0x270 [ 27.655572][ T398] l2tp_session_put+0xb2/0x1a0 [ 27.660327][ T398] l2tp_session_delete+0x3a9/0x4a0 [ 27.665444][ T398] pppol2tp_release+0x169/0x2b0 [ 27.670387][ T398] sock_close+0xb8/0x200 [ 27.674644][ T398] __fput+0x2dc/0x730 [ 27.678614][ T398] ____fput+0x15/0x20 [ 27.682592][ T398] task_work_run+0x127/0x190 [ 27.687193][ T398] exit_to_user_mode_loop+0xcb/0xe0 [ 27.692393][ T398] exit_to_user_mode_prepare+0x76/0xa0 [ 27.697858][ T398] syscall_exit_to_user_mode+0x1d/0x40 [ 27.703315][ T398] do_syscall_64+0x3d/0x40 [ 27.707737][ T398] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 27.713630][ T398] [ 27.715964][ T398] The buggy address belongs to the object at ffff888111602000 [ 27.715964][ T398] which belongs to the cache kmalloc-512 of size 512 [ 27.730118][ T398] The buggy address is located 336 bytes inside of [ 27.730118][ T398] 512-byte region [ffff888111602000, ffff888111602200) [ 27.743515][ T398] The buggy address belongs to the page: [ 27.749303][ T398] page:ffffea0004458000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x111600 [ 27.759557][ T398] head:ffffea0004458000 order:2 compound_mapcount:0 compound_pincount:0 [ 27.767908][ T398] flags: 0x4000000000010200(slab|head) [ 27.773384][ T398] raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100043080 [ 27.781984][ T398] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 27.790756][ T398] page dumped because: kasan: bad access detected [ 27.797180][ T398] page_owner tracks the page as allocated [ 27.803116][ T398] page last allocated via order 2, migratetype Unmovable, gfp_mask 0x152a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 398, ts 27331575743, free_ts 27331533040 [ 27.821525][ T398] prep_new_page+0x176/0x190 [ 27.826133][ T398] get_page_from_freelist+0x225f/0x23f0 [ 27.831690][ T398] __alloc_pages_nodemask+0x29a/0x640 [ 27.837074][ T398] new_slab+0x84/0x3f0 [ 27.841164][ T398] ___slab_alloc+0x2f8/0x4c0 [ 27.845763][ T398] __slab_alloc+0x63/0xa0 [ 27.850113][ T398] __kmalloc+0x1f9/0x330 [ 27.854365][ T398] ___neigh_create+0x6ec/0x1a70 [ 27.859229][ T398] __neigh_create+0x31/0x40 [ 27.863748][ T398] ip6_finish_output2+0x8fe/0x1540 [ 27.868898][ T398] __ip6_finish_output+0x5fd/0x790 [ 27.874113][ T398] ip6_finish_output+0x33/0x1e0 [ 27.878975][ T398] ip6_output+0x1fa/0x420 [ 27.883319][ T398] mld_sendpack+0x61e/0xb00 [ 27.887837][ T398] mld_ifc_timer_expire+0x862/0xc60 [ 27.893048][ T398] call_timer_fn+0x38/0x290 [ 27.897553][ T398] page last free stack trace: [ 27.902247][ T398] __free_pages_ok+0x80b/0x830 [ 27.907117][ T398] __free_pages+0xd8/0x390 [ 27.911637][ T398] __free_slab+0xcf/0x190 [ 27.915974][ T398] unfreeze_partials+0x150/0x180 [ 27.920927][ T398] put_cpu_partial+0xc1/0x180 [ 27.925621][ T398] __slab_free+0x2c9/0x3a0 [ 27.930051][ T398] ___cache_free+0x10e/0x130 [ 27.934659][ T398] qlink_free+0x50/0x90 [ 27.938844][ T398] qlist_free_all+0x5f/0xb0 [ 27.943363][ T398] kasan_quarantine_reduce+0x14a/0x160 [ 27.948837][ T398] __kasan_slab_alloc+0x2f/0xe0 [ 27.953700][ T398] slab_post_alloc_hook+0x5d/0x2f0 [ 27.958817][ T398] kmem_cache_alloc+0x15a/0x2d0 [ 27.963681][ T398] getname_flags+0xba/0x510 [ 27.968187][ T398] user_path_at_empty+0x2f/0x50 [ 27.973044][ T398] vfs_statx+0x10a/0x530 [ 27.977299][ T398] [ 27.979721][ T398] Memory state around the buggy address: [ 27.985367][ T398] ffff888111602000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.993437][ T398] ffff888111602080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.001678][ T398] >ffff888111602100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.009747][ T398] ^ [ 28.016427][ T398] ffff888111602180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.024521][ T398] ffff888111602200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.032586][ T398] ================================================================== [ 28.040675][ T398] Disabling lock debugging due to kernel taint