cess permissive=1
[ 14.749921][ T28] audit: type=1400 audit(1791550009.223:63): avc: denied { siginh } for pid=225 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 17.741180][ T269] scp (269) used greatest stack depth: 20704 bytes left
Warning: Permanently added '10.128.1.87' (ED25519) to the list of known hosts.
2026/10/09 12:46:59 parsed 1 programs
2026/10/09 12:46:59 serving rpc on tcp://46749
[ 24.601665][ T28] audit: type=1400 audit(1791550019.083:64): avc: denied { node_bind } for pid=295 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 24.622513][ T28] audit: type=1400 audit(1791550019.083:65): avc: denied { module_request } for pid=295 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
[ 25.392835][ T28] audit: type=1400 audit(1791550019.873:66): avc: denied { mounton } for pid=301 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
[ 25.393941][ T301] cgroup: Unknown subsys name 'net'
[ 25.415594][ T28] audit: type=1400 audit(1791550019.873:67): avc: denied { mount } for pid=301 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
[ 25.443034][ T28] audit: type=1400 audit(1791550019.903:68): avc: denied { unmount } for pid=301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 25.443176][ T301] cgroup: Unknown subsys name 'devices'
[ 25.585906][ T301] cgroup: Unknown subsys name 'hugetlb'
[ 25.591532][ T301] cgroup: Unknown subsys name 'rlimit'
[ 25.699299][ T28] audit: type=1400 audit(1791550020.183:69): avc: denied { setattr } for pid=301 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
[ 25.722656][ T28] audit: type=1400 audit(1791550020.183:70): avc: denied { create } for pid=301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 25.743162][ T28] audit: type=1400 audit(1791550020.183:71): avc: denied { write } for pid=301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 25.758070][ T305] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 25.763658][ T28] audit: type=1400 audit(1791550020.183:72): avc: denied { read } for pid=301 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 25.792692][ T28] audit: type=1400 audit(1791550020.183:73): avc: denied { mounton } for pid=301 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
Setting up swapspace version 1, size = 127995904 bytes
[ 25.906499][ T301] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 26.632839][ T311] request_module fs-gadgetfs succeeded, but still no fs?
[ 27.067273][ T342] bridge0: port 1(bridge_slave_0) entered blocking state
[ 27.074449][ T342] bridge0: port 1(bridge_slave_0) entered disabled state
[ 27.082112][ T342] device bridge_slave_0 entered promiscuous mode
[ 27.089599][ T342] bridge0: port 2(bridge_slave_1) entered blocking state
[ 27.096759][ T342] bridge0: port 2(bridge_slave_1) entered disabled state
[ 27.104506][ T342] device bridge_slave_1 entered promiscuous mode
[ 27.141094][ T342] bridge0: port 2(bridge_slave_1) entered blocking state
[ 27.148158][ T342] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 27.155554][ T342] bridge0: port 1(bridge_slave_0) entered blocking state
[ 27.162585][ T342] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 27.180206][ T343] bridge0: port 1(bridge_slave_0) entered disabled state
[ 27.187523][ T343] bridge0: port 2(bridge_slave_1) entered disabled state
[ 27.195051][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 27.202728][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 27.211761][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 27.220144][ T343] bridge0: port 1(bridge_slave_0) entered blocking state
[ 27.227188][ T343] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 27.235969][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 27.244291][ T343] bridge0: port 2(bridge_slave_1) entered blocking state
[ 27.251312][ T343] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 27.262743][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 27.272154][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 27.285459][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 27.296847][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 27.304862][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 27.312249][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 27.320766][ T342] device veth0_vlan entered promiscuous mode
[ 27.330997][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 27.339983][ T342] device veth1_macvtap entered promiscuous mode
[ 27.349294][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 27.359681][ T343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
2026/10/09 12:47:02 executed programs: 0
[ 27.740784][ T368] bridge0: port 1(bridge_slave_0) entered blocking state
[ 27.748449][ T368] bridge0: port 1(bridge_slave_0) entered disabled state
[ 27.755948][ T368] device bridge_slave_0 entered promiscuous mode
[ 27.762880][ T368] bridge0: port 2(bridge_slave_1) entered blocking state
[ 27.770047][ T368] bridge0: port 2(bridge_slave_1) entered disabled state
[ 27.777375][ T368] device bridge_slave_1 entered promiscuous mode
[ 27.817655][ T368] bridge0: port 2(bridge_slave_1) entered blocking state
[ 27.824706][ T368] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 27.832016][ T368] bridge0: port 1(bridge_slave_0) entered blocking state
[ 27.839044][ T368] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 27.863305][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 27.871151][ T10] bridge0: port 1(bridge_slave_0) entered disabled state
[ 27.878831][ T10] bridge0: port 2(bridge_slave_1) entered disabled state
[ 27.893467][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 27.902094][ T10] bridge0: port 1(bridge_slave_0) entered blocking state
[ 27.909370][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 27.916831][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 27.925090][ T10] bridge0: port 2(bridge_slave_1) entered blocking state
[ 27.932116][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 27.946572][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 27.954535][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 27.968189][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 27.980013][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 27.988118][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 27.996003][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 28.004165][ T368] device veth0_vlan entered promiscuous mode
[ 28.013558][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 28.023777][ T368] device veth1_macvtap entered promiscuous mode
[ 28.034343][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 28.045104][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 28.113983][ C0] ==================================================================
[ 28.122082][ C0] BUG: KASAN: use-after-free in rcu_cblist_dequeue+0x6c/0xb0
[ 28.129549][ C0] Read of size 8 at addr ffff88812cee8590 by task syz-execprog/295
[ 28.137428][ C0]
[ 28.139737][ C0] CPU: 0 PID: 295 Comm: syz-execprog Not tainted syzkaller #0
[ 28.147188][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 28.157227][ C0] Call Trace:
[ 28.160491][ C0]
[ 28.163318][ C0] __dump_stack+0x21/0x24
[ 28.167653][ C0] dump_stack_lvl+0x110/0x170
[ 28.172345][ C0] ? __cfi_dump_stack_lvl+0x8/0x8
[ 28.177374][ C0] ? debug_smp_processor_id+0x17/0x20
[ 28.182734][ C0] ? rcu_cblist_dequeue+0x6c/0xb0
[ 28.187753][ C0] print_address_description+0x71/0x200
[ 28.193302][ C0] print_report+0x4a/0x60
[ 28.197616][ C0] kasan_report+0x122/0x150
[ 28.202118][ C0] ? rcu_cblist_dequeue+0x6c/0xb0
[ 28.207138][ C0] __asan_report_load8_noabort+0x14/0x20
[ 28.212757][ C0] rcu_cblist_dequeue+0x6c/0xb0
[ 28.217637][ C0] rcu_do_batch+0x4bc/0xc30
[ 28.222165][ C0] ? insert_work+0x26c/0x300
[ 28.226752][ C0] ? rcu_core+0xf00/0xf00
[ 28.231072][ C0] ? __kasan_check_write+0x14/0x20
[ 28.236283][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 28.242007][ C0] ? __cfi__raw_spin_lock_irqsave+0x10/0x10
[ 28.247901][ C0] ? _raw_spin_unlock_irqrestore+0x5a/0x80
[ 28.253729][ C0] ? rcu_report_qs_rnp+0x2b9/0x390
[ 28.258945][ C0] rcu_core+0x486/0xf00
[ 28.263125][ C0] ? rcu_cpu_kthread_park+0x90/0x90
[ 28.268320][ C0] ? kvm_sched_clock_read+0x18/0x40
[ 28.273798][ C0] rcu_core_si+0x9/0x10
[ 28.278055][ C0] handle_softirqs+0x1d7/0x600
[ 28.282820][ C0] __irq_exit_rcu+0x52/0xf0
[ 28.287337][ C0] irq_exit_rcu+0x9/0x10
[ 28.291562][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0
[ 28.297262][ C0]
[ 28.300182][ C0]
[ 28.303274][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 28.309336][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x17/0x80
[ 28.316221][ C0] Code: 00 66 90 90 90 90 90 90 90 90 90 90 90 90 b8 80 f8 fd 6f 55 48 89 e5 48 8b 45 08 65 48 8b 0d b0 fa 90 7e 65 8b 15 b1 fa 90 7e <81> e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 57 83 b9 6c 0b 00 00
[ 28.336515][ C0] RSP: 0018:ffffc90000d273d0 EFLAGS: 00000246
[ 28.342581][ C0] RAX: ffffffff81ab1c4a RBX: 1ffffd4000943e81 RCX: ffff88810e6c0000
[ 28.350555][ C0] RDX: 0000000080000001 RSI: 0000000000000001 RDI: 0000000000000000
[ 28.358797][ C0] RBP: ffffc90000d273d0 R08: ffff88810e6c0007 R09: 1ffff11021cd8000
[ 28.366852][ C0] R10: dffffc0000000000 R11: ffffed1021cd8001 R12: ffffea0004a1f408
[ 28.374905][ C0] R13: ffffea0004a1f418 R14: ffff8881214130b9 R15: ffffea0004a1f400
[ 28.382870][ C0] ? unmap_page_range+0x15aa/0x2360
[ 28.388065][ C0] unmap_page_range+0x15aa/0x2360
[ 28.393172][ C0] ? __cfi_unmap_page_range+0x10/0x10
[ 28.398543][ C0] ? mas_find+0xdf/0x380
[ 28.402872][ C0] unmap_vmas+0x34c/0x480
[ 28.407207][ C0] ? __cfi_unmap_vmas+0x10/0x10
[ 28.412061][ C0] ? mas_next_slot+0x9d7/0xa10
[ 28.416824][ C0] ? __cfi_lru_add_drain_cpu+0x10/0x10
[ 28.422290][ C0] ? __kasan_check_write+0x14/0x20
[ 28.427430][ C0] exit_mmap+0x2a4/0xc10
[ 28.431735][ C0] ? perf_event_exit_event+0x530/0x530
[ 28.437224][ C0] ? __cfi_exit_mmap+0x10/0x10
[ 28.441979][ C0] ? _raw_spin_lock_irqsave+0xc2/0x130
[ 28.447495][ C0] ? __cfi_exit_aio+0x10/0x10
[ 28.452195][ C0] ? uprobe_clear_state+0x2c6/0x320
[ 28.457392][ C0] __mmput+0x92/0x340
[ 28.461448][ C0] mmput+0x4b/0x150
[ 28.465413][ C0] do_exit+0xa62/0x29f0
[ 28.469564][ C0] ? __cfi_do_exit+0x10/0x10
[ 28.474208][ C0] ? plist_check_list+0x255/0x270
[ 28.479230][ C0] ? _raw_spin_lock+0x94/0xf0
[ 28.483927][ C0] ? __kasan_check_write+0x14/0x20
[ 28.489114][ C0] ? _raw_spin_lock_irq+0x95/0xf0
[ 28.494154][ C0] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 28.499686][ C0] do_group_exit+0x21b/0x2e0
[ 28.504260][ C0] ? __kasan_check_write+0x14/0x20
[ 28.509382][ C0] ? recalc_sigpending+0x168/0x1c0
[ 28.514496][ C0] get_signal+0x167c/0x1700
[ 28.519082][ C0] ? __cfi_get_signal+0x10/0x10
[ 28.523942][ C0] arch_do_signal_or_restart+0xd1/0x11c0
[ 28.529570][ C0] ? do_futex+0x2e2/0x430
[ 28.533890][ C0] ? percpu_counter_add_batch+0x13c/0x160
[ 28.539603][ C0] ? __cfi_do_futex+0x10/0x10
[ 28.544272][ C0] ? __fput+0x66d/0x8f0
[ 28.548415][ C0] ? __cfi_arch_do_signal_or_restart+0x10/0x10
[ 28.554640][ C0] ? __se_sys_futex+0x136/0x310
[ 28.559487][ C0] ? fput+0x15b/0x1a0
[ 28.563573][ C0] exit_to_user_mode_loop+0x7a/0xb0
[ 28.568755][ C0] exit_to_user_mode_prepare+0x87/0xd0
[ 28.574198][ C0] syscall_exit_to_user_mode+0x1a/0x30
[ 28.579637][ C0] do_syscall_64+0x58/0xa0
[ 28.584038][ C0] ? clear_bhb_loop+0x30/0x80
[ 28.588784][ C0] ? clear_bhb_loop+0x30/0x80
[ 28.593449][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 28.599412][ C0] RIP: 0033:0x493e83
[ 28.603300][ C0] Code: Unable to access opcode bytes at 0x493e59.
[ 28.609775][ C0] RSP: 002b:00007ffcf54a3ee8 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
[ 28.618191][ C0] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000493e83
[ 28.626237][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000036c19f8
[ 28.634383][ C0] RBP: 00007ffcf54a3f30 R08: 0000000000000000 R09: 0000000000000000
[ 28.642335][ C0] R10: 0000000000000000 R11: 0000000000000286 R12: 00007ffcf54a3f40
[ 28.650292][ C0] R13: 000032be895f60e0 R14: 00000000036bfe60 R15: ffffffffffffffff
[ 28.658266][ C0]
[ 28.661266][ C0]
[ 28.663584][ C0] Allocated by task 374:
[ 28.667821][ C0] kasan_set_track+0x4b/0x70
[ 28.672409][ C0] kasan_save_alloc_info+0x1f/0x30
[ 28.677498][ C0] __kasan_kmalloc+0x95/0xb0
[ 28.682080][ C0] __kmalloc+0xb4/0x1e0
[ 28.686229][ C0] l2tp_session_create+0x38/0xbd0
[ 28.691327][ C0] pppol2tp_connect+0xbf5/0x1640
[ 28.696333][ C0] __sys_connect+0x3da/0x460
[ 28.700924][ C0] __x64_sys_connect+0x7a/0x90
[ 28.705692][ C0] x64_sys_call+0x88d/0x9a0
[ 28.710200][ C0] do_syscall_64+0x4c/0xa0
[ 28.714617][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 28.720527][ C0]
[ 28.722838][ C0] Freed by task 10:
[ 28.726619][ C0] kasan_set_track+0x4b/0x70
[ 28.731264][ C0] kasan_save_free_info+0x2b/0x40
[ 28.736281][ C0] ____kasan_slab_free+0x132/0x180
[ 28.741399][ C0] __kasan_slab_free+0x11/0x20
[ 28.746259][ C0] slab_free_freelist_hook+0xc2/0x190
[ 28.751619][ C0] __kmem_cache_free+0xb7/0x1b0
[ 28.756454][ C0] kfree+0x6f/0xf0
[ 28.760180][ C0] l2tp_session_put+0xaf/0x1a0
[ 28.764932][ C0] l2tp_session_delete+0x3df/0x4d0
[ 28.770685][ C0] l2tp_tunnel_del_work+0x199/0x410
[ 28.776151][ C0] process_one_work+0x717/0xc30
[ 28.780999][ C0] worker_thread+0xa4d/0x11d0
[ 28.785657][ C0] kthread+0x281/0x320
[ 28.789727][ C0] ret_from_fork+0x1f/0x30
[ 28.794129][ C0]
[ 28.796531][ C0] Last potentially related work creation:
[ 28.802234][ C0] kasan_save_stack+0x3a/0x60
[ 28.806977][ C0] __kasan_record_aux_stack+0xb6/0xc0
[ 28.812389][ C0] kasan_record_aux_stack_noalloc+0xb/0x10
[ 28.818211][ C0] call_rcu+0xcf/0xf50
[ 28.822276][ C0] pppol2tp_release+0x1e3/0x2b0
[ 28.827120][ C0] sock_close+0xc9/0x220
[ 28.831430][ C0] __fput+0x1fd/0x8f0
[ 28.835488][ C0] ____fput+0x15/0x20
[ 28.839450][ C0] task_work_run+0x1e1/0x250
[ 28.844055][ C0] exit_to_user_mode_loop+0x9b/0xb0
[ 28.849264][ C0] exit_to_user_mode_prepare+0x87/0xd0
[ 28.854717][ C0] syscall_exit_to_user_mode+0x1a/0x30
[ 28.860177][ C0] do_syscall_64+0x58/0xa0
[ 28.864601][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 28.870606][ C0]
[ 28.872925][ C0] The buggy address belongs to the object at ffff88812cee8400
[ 28.872925][ C0] which belongs to the cache kmalloc-512 of size 512
[ 28.887066][ C0] The buggy address is located 400 bytes inside of
[ 28.887066][ C0] 512-byte region [ffff88812cee8400, ffff88812cee8600)
[ 28.900350][ C0]
[ 28.902665][ C0] The buggy address belongs to the physical page:
[ 28.909073][ C0] page:ffffea0004b3ba00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12cee8
[ 28.919306][ C0] head:ffffea0004b3ba00 order:2 compound_mapcount:0 compound_pincount:0
[ 28.927620][ C0] flags: 0x4000000000010200(slab|head|zone=1)
[ 28.933703][ C0] raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00
[ 28.942270][ C0] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
[ 28.950923][ C0] page dumped because: kasan: bad access detected
[ 28.957345][ C0] page_owner tracks the page as allocated
[ 28.963173][ C0] page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 368, tgid 368 (syz-executor), ts 28057374516, free_ts 27027215036
[ 28.985845][ C0] post_alloc_hook+0x1f5/0x210
[ 28.990697][ C0] prep_new_page+0x1c/0x110
[ 28.995248][ C0] get_page_from_freelist+0x2ca9/0x2d20
[ 29.000809][ C0] __alloc_pages+0x1fa/0x610
[ 29.005414][ C0] alloc_slab_page+0x6e/0xf0
[ 29.009986][ C0] new_slab+0x98/0x3e0
[ 29.014037][ C0] ___slab_alloc+0x70f/0xb70
[ 29.018723][ C0] __slab_alloc+0x5e/0xa0
[ 29.023050][ C0] __kmem_cache_alloc_node+0x204/0x2d0
[ 29.028599][ C0] __kmalloc_node_track_caller+0xa1/0x1e0
[ 29.034403][ C0] __alloc_skb+0x226/0x4a0
[ 29.038820][ C0] rtmsg_ifa+0xfa/0x1e0
[ 29.042969][ C0] __inet_insert_ifa+0x83f/0xa30
[ 29.047887][ C0] inet_rtm_newaddr+0x8be/0x1650
[ 29.052910][ C0] rtnetlink_rcv_msg+0xb28/0xde0
[ 29.058025][ C0] netlink_rcv_skb+0x200/0x450
[ 29.062771][ C0] page last free stack trace:
[ 29.067432][ C0] free_unref_page_prepare+0x81b/0x820
[ 29.073062][ C0] free_unref_page+0x93/0x530
[ 29.077765][ C0] __free_pages+0x67/0x100
[ 29.082171][ C0] __vunmap+0xa3c/0xc00
[ 29.086411][ C0] vfree+0x61/0x90
[ 29.090211][ C0] kcov_close+0x2b/0x50
[ 29.094382][ C0] __fput+0x1fd/0x8f0
[ 29.098357][ C0] ____fput+0x15/0x20
[ 29.102324][ C0] task_work_run+0x1e1/0x250
[ 29.106903][ C0] do_exit+0xb0d/0x29f0
[ 29.111042][ C0] do_group_exit+0x21b/0x2e0
[ 29.115620][ C0] get_signal+0x167c/0x1700
[ 29.120116][ C0] arch_do_signal_or_restart+0xd1/0x11c0
[ 29.125735][ C0] exit_to_user_mode_loop+0x7a/0xb0
[ 29.131001][ C0] exit_to_user_mode_prepare+0x87/0xd0
[ 29.136459][ C0] syscall_exit_to_user_mode+0x1a/0x30
[ 29.141907][ C0]
[ 29.144224][ C0] Memory state around the buggy address:
[ 29.149855][ C0] ffff88812cee8480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 29.157921][ C0] ffff88812cee8500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 29.166171][ C0] >ffff88812cee8580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 29.174246][ C0] ^
[ 29.178837][ C0] ffff88812cee8600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 29.186884][ C0] ffff88812cee8680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 29.195276][ C0] ==================================================================
[ 29.203538][ C0] Disabling lock debugging due to kernel taint