Warning: Permanently added '10.128.1.188' (ED25519) to the list of known hosts.
2026/07/07 21:31:37 parsed 1 programs
2026/07/07 21:31:37 serving rpc on tcp://34339
[ 23.701547][ T30] audit: type=1400 audit(1783459897.080:64): 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
[ 23.722718][ T30] audit: type=1400 audit(1783459897.080:65): 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
[ 24.725356][ T30] audit: type=1400 audit(1783459898.110:66): 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
[ 24.729232][ T299] cgroup: Unknown subsys name 'net'
[ 24.748208][ T30] audit: type=1400 audit(1783459898.110:67): 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
[ 24.776069][ T30] audit: type=1400 audit(1783459898.130:68): 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
[ 24.776578][ T299] cgroup: Unknown subsys name 'devices'
[ 24.927178][ T299] cgroup: Unknown subsys name 'hugetlb'
[ 24.932829][ T299] cgroup: Unknown subsys name 'rlimit'
[ 25.110312][ T30] audit: type=1400 audit(1783459898.490:69): 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
[ 25.134770][ T30] audit: type=1400 audit(1783459898.490:70): 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
[ 25.155411][ T30] audit: type=1400 audit(1783459898.490:71): 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
[ 25.176118][ T303] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 25.176803][ T30] audit: type=1400 audit(1783459898.490:72): 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
[ 25.205445][ T30] audit: type=1400 audit(1783459898.490:73): 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
[ 25.243350][ T299] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 25.737157][ T307] request_module fs-gadgetfs succeeded, but still no fs?
[ 25.888135][ T317] bridge0: port 1(bridge_slave_0) entered blocking state
[ 25.895538][ T317] bridge0: port 1(bridge_slave_0) entered disabled state
[ 25.902953][ T317] device bridge_slave_0 entered promiscuous mode
[ 25.909963][ T317] bridge0: port 2(bridge_slave_1) entered blocking state
[ 25.917253][ T317] bridge0: port 2(bridge_slave_1) entered disabled state
[ 25.924684][ T317] device bridge_slave_1 entered promiscuous mode
[ 25.969446][ T317] bridge0: port 2(bridge_slave_1) entered blocking state
[ 25.976553][ T317] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 25.984057][ T317] bridge0: port 1(bridge_slave_0) entered blocking state
[ 25.991165][ T317] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 26.011481][ T10] bridge0: port 1(bridge_slave_0) entered disabled state
[ 26.019191][ T10] bridge0: port 2(bridge_slave_1) entered disabled state
[ 26.027078][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 26.034547][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 26.043924][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 26.052191][ T10] bridge0: port 1(bridge_slave_0) entered blocking state
[ 26.059265][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 26.069197][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 26.077551][ T10] bridge0: port 2(bridge_slave_1) entered blocking state
[ 26.084579][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 26.097826][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 26.107142][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 26.120884][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 26.132916][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 26.141175][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 26.148955][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 26.157392][ T317] device veth0_vlan entered promiscuous mode
[ 26.168303][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 26.177422][ T317] device veth1_macvtap entered promiscuous mode
[ 26.187205][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 26.197060][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 26.235062][ T317] syz-executor (317) used greatest stack depth: 20864 bytes left
[ 26.807751][ T8] device bridge_slave_1 left promiscuous mode
[ 26.813989][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 26.844373][ T8] device bridge_slave_0 left promiscuous mode
[ 26.856717][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 26.868724][ T8] device veth1_macvtap left promiscuous mode
[ 26.874916][ T8] device veth0_vlan left promiscuous mode
2026/07/07 21:31:40 executed programs: 0
[ 27.072876][ T369] bridge0: port 1(bridge_slave_0) entered blocking state
[ 27.079969][ T369] bridge0: port 1(bridge_slave_0) entered disabled state
[ 27.087549][ T369] device bridge_slave_0 entered promiscuous mode
[ 27.094494][ T369] bridge0: port 2(bridge_slave_1) entered blocking state
[ 27.101603][ T369] bridge0: port 2(bridge_slave_1) entered disabled state
[ 27.109012][ T369] device bridge_slave_1 entered promiscuous mode
[ 27.151309][ T369] bridge0: port 2(bridge_slave_1) entered blocking state
[ 27.158402][ T369] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 27.165744][ T369] bridge0: port 1(bridge_slave_0) entered blocking state
[ 27.172894][ T369] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 27.197216][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 27.205422][ T45] bridge0: port 1(bridge_slave_0) entered disabled state
[ 27.212764][ T45] bridge0: port 2(bridge_slave_1) entered disabled state
[ 27.233321][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 27.241606][ T45] bridge0: port 1(bridge_slave_0) entered blocking state
[ 27.248891][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 27.256581][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 27.264803][ T45] bridge0: port 2(bridge_slave_1) entered blocking state
[ 27.271923][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 27.279664][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 27.287795][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 27.302011][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 27.313203][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 27.321272][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 27.328964][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 27.339141][ T369] device veth0_vlan entered promiscuous mode
[ 27.349167][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 27.358430][ T369] device veth1_macvtap entered promiscuous mode
[ 27.367975][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 27.378281][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 27.405955][ T374] ==================================================================
[ 27.414086][ T374] BUG: KASAN: use-after-free in pppol2tp_sock_to_session+0x1a0/0x1b0
[ 27.422201][ T374] Read of size 4 at addr ffff88811f0a8800 by task syz.2.17/374
[ 27.429752][ T374]
[ 27.432093][ T374] CPU: 1 PID: 374 Comm: syz.2.17 Not tainted syzkaller #0
[ 27.439203][ T374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 27.449276][ T374] Call Trace:
[ 27.452563][ T374]
[ 27.455500][ T374] __dump_stack+0x21/0x30
[ 27.460008][ T374] dump_stack_lvl+0x110/0x170
[ 27.464717][ T374] ? show_regs_print_info+0x20/0x20
[ 27.469921][ T374] ? load_image+0x3f0/0x3f0
[ 27.474561][ T374] ? __local_bh_enable_ip+0x58/0x80
[ 27.479782][ T374] print_address_description+0x7f/0x2c0
[ 27.485352][ T374] ? pppol2tp_sock_to_session+0x1a0/0x1b0
[ 27.491097][ T374] kasan_report+0x10f/0x150
[ 27.495616][ T374] ? pppol2tp_sock_to_session+0x1a0/0x1b0
[ 27.501487][ T374] __asan_report_load4_noabort+0x14/0x20
[ 27.507156][ T374] pppol2tp_sock_to_session+0x1a0/0x1b0
[ 27.512717][ T374] pppol2tp_release+0x150/0x2b0
[ 27.517574][ T374] sock_close+0xb8/0x200
[ 27.522167][ T374] ? sock_mmap+0xa0/0xa0
[ 27.526423][ T374] __fput+0x22b/0x900
[ 27.530419][ T374] ____fput+0x15/0x20
[ 27.534411][ T374] task_work_run+0x127/0x190
[ 27.539010][ T374] do_exit+0xb70/0x29a0
[ 27.543182][ T374] ? _raw_spin_lock_bh+0x94/0xf0
[ 27.548125][ T374] ? put_task_struct+0x90/0x90
[ 27.552917][ T374] ? __kasan_check_write+0x14/0x20
[ 27.558031][ T374] ? l2tp_session_put+0xa0/0x1a0
[ 27.562992][ T374] ? __kasan_check_write+0x14/0x20
[ 27.568133][ T374] ? _raw_spin_lock_irq+0x95/0xf0
[ 27.573172][ T374] do_group_exit+0x149/0x310
[ 27.577768][ T374] ? __kasan_check_write+0x14/0x20
[ 27.583875][ T374] ? recalc_sigpending+0x1ac/0x230
[ 27.589187][ T374] get_signal+0x64f/0x1430
[ 27.593627][ T374] arch_do_signal_or_restart+0xe2/0x1100
[ 27.599266][ T374] ? selinux_file_ioctl+0x3ad/0x4c0
[ 27.604479][ T374] ? get_sigframe_size+0x10/0x10
[ 27.609517][ T374] ? __se_sys_futex+0x135/0x330
[ 27.614376][ T374] exit_to_user_mode_loop+0xa7/0xe0
[ 27.619579][ T374] exit_to_user_mode_prepare+0x87/0xd0
[ 27.625077][ T374] syscall_exit_to_user_mode+0x1a/0x30
[ 27.630684][ T374] do_syscall_64+0x58/0xa0
[ 27.635118][ T374] ? clear_bhb_loop+0x50/0xa0
[ 27.640108][ T374] ? clear_bhb_loop+0x50/0xa0
[ 27.644987][ T374] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 27.650951][ T374] RIP: 0033:0x7fb1f8e6de59
[ 27.655386][ T374] Code: Unable to access opcode bytes at RIP 0x7fb1f8e6de2f.
[ 27.662748][ T374] RSP: 002b:00007fb1f8ccf0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[ 27.671167][ T374] RAX: 0000000000000001 RBX: 00007fb1f90f5fa8 RCX: 00007fb1f8e6de59
[ 27.679662][ T374] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fb1f90f5fac
[ 27.688210][ T374] RBP: 00007fb1f90f5fa0 R08: 00156cc17ff8c922 R09: 0000000000000000
[ 27.696429][ T374] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
[ 27.704455][ T374] R13: 00007fb1f90f6038 R14: 00007fff12b01810 R15: 00007fff12b018f8
[ 27.712450][ T374]
[ 27.715482][ T374]
[ 27.717805][ T374] Allocated by task 374:
[ 27.722042][ T374] __kasan_kmalloc+0xd4/0x100
[ 27.726735][ T374] __kmalloc+0x13d/0x2c0
[ 27.730992][ T374] l2tp_session_create+0x39/0xb60
[ 27.736021][ T374] pppol2tp_connect+0xbf5/0x1640
[ 27.740991][ T374] __sys_connect+0x3cb/0x450
[ 27.745678][ T374] __x64_sys_connect+0x7a/0x90
[ 27.750474][ T374] x64_sys_call+0x7c/0x9a0
[ 27.754896][ T374] do_syscall_64+0x4c/0xa0
[ 27.759339][ T374] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 27.765241][ T374]
[ 27.767566][ T374] Freed by task 10:
[ 27.771363][ T374] kasan_set_track+0x4a/0x70
[ 27.775960][ T374] kasan_set_free_info+0x23/0x40
[ 27.780904][ T374] ____kasan_slab_free+0x125/0x160
[ 27.786891][ T374] __kasan_slab_free+0x11/0x20
[ 27.791689][ T374] slab_free_freelist_hook+0xc2/0x190
[ 27.797108][ T374] kfree+0xc4/0x270
[ 27.800923][ T374] l2tp_session_put+0xaf/0x1a0
[ 27.805699][ T374] l2tp_session_delete+0x3a9/0x4a0
[ 27.810823][ T374] l2tp_tunnel_del_work+0x180/0x3d0
[ 27.816027][ T374] process_one_work+0x6c8/0xbb0
[ 27.820885][ T374] worker_thread+0xaa0/0x1250
[ 27.825591][ T374] kthread+0x3f5/0x4f0
[ 27.829731][ T374] ret_from_fork+0x1f/0x30
[ 27.834359][ T374]
[ 27.837135][ T374] The buggy address belongs to the object at ffff88811f0a8800
[ 27.837135][ T374] which belongs to the cache kmalloc-512 of size 512
[ 27.851196][ T374] The buggy address is located 0 bytes inside of
[ 27.851196][ T374] 512-byte region [ffff88811f0a8800, ffff88811f0a8a00)
[ 27.864317][ T374] The buggy address belongs to the page:
[ 27.870050][ T374] page:ffffea00047c2a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11f0a8
[ 27.880307][ T374] head:ffffea00047c2a00 order:2 compound_mapcount:0 compound_pincount:0
[ 27.888634][ T374] flags: 0x4000000000010200(slab|head|zone=1)
[ 27.894736][ T374] raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00
[ 27.903334][ T374] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
[ 27.912284][ T374] page dumped because: kasan: bad access detected
[ 27.918725][ T374] page_owner tracks the page as allocated
[ 27.924449][ T374] 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 369, ts 27390774841, free_ts 26460637972
[ 27.944871][ T374] post_alloc_hook+0x192/0x1b0
[ 27.949671][ T374] prep_new_page+0x1c/0x110
[ 27.954191][ T374] get_page_from_freelist+0x2c3a/0x2cd0
[ 27.959737][ T374] __alloc_pages+0x1a2/0x460
[ 27.964333][ T374] new_slab+0xa0/0x4d0
[ 27.968402][ T374] ___slab_alloc+0x3ac/0x840
[ 27.973184][ T374] __slab_alloc+0x49/0x90
[ 27.977517][ T374] kmem_cache_alloc_trace+0x146/0x270
[ 27.982934][ T374] rtnl_newlink+0x17f/0x1900
[ 27.987555][ T374] rtnetlink_rcv_msg+0x9fd/0xcb0
[ 27.992570][ T374] netlink_rcv_skb+0x1e9/0x430
[ 27.997360][ T374] rtnetlink_rcv+0x1c/0x20
[ 28.001796][ T374] netlink_unicast+0x86c/0xa30
[ 28.006564][ T374] netlink_sendmsg+0x879/0xb80
[ 28.011354][ T374] __sys_sendto+0x46d/0x620
[ 28.015860][ T374] __x64_sys_sendto+0xe5/0x100
[ 28.020625][ T374] page last free stack trace:
[ 28.025303][ T374] free_unref_page_prepare+0x5fa/0x600
[ 28.030789][ T374] free_unref_page+0xae/0x540
[ 28.035472][ T374] __free_pages+0x6c/0x100
[ 28.039939][ T374] __vunmap+0x801/0x980
[ 28.044123][ T374] vfree+0x8b/0xc0
[ 28.047849][ T374] kcov_close+0x2b/0x50
[ 28.052039][ T374] __fput+0x22b/0x900
[ 28.056024][ T374] ____fput+0x15/0x20
[ 28.060009][ T374] task_work_run+0x127/0x190
[ 28.064601][ T374] do_exit+0xb70/0x29a0
[ 28.068758][ T374] do_group_exit+0x149/0x310
[ 28.073353][ T374] get_signal+0x64f/0x1430
[ 28.077767][ T374] arch_do_signal_or_restart+0xe2/0x1100
[ 28.083401][ T374] exit_to_user_mode_loop+0xa7/0xe0
[ 28.088743][ T374] exit_to_user_mode_prepare+0x87/0xd0
[ 28.094243][ T374] syscall_exit_to_user_mode+0x1a/0x30
[ 28.099720][ T374]
[ 28.102046][ T374] Memory state around the buggy address:
[ 28.107672][ T374] ffff88811f0a8700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 28.115824][ T374] ffff88811f0a8780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 28.123922][ T374] >ffff88811f0a8800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 28.131987][ T374] ^
[ 28.136053][ T374] ffff88811f0a8880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 28.144117][ T374] ffff88811f0a8900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 28.152189][ T374] ==================================================================
[ 28.160358][ T374] Disabling lock debugging due to kernel taint
[ 28.172144][ T374] ------------[ cut here ]------------
[ 28.178207][ T374] WARNING: CPU: 1 PID: 374 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0
[ 28.188483][ T374] Modules linked in:
[ 28.192524][ T374] CPU: 1 PID: 374 Comm: syz.2.17 Tainted: G B syzkaller #0
[ 28.201099][ T374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 28.211196][ T374] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0
[ 28.217631][ T374] Code: 5d c3 e8 8c ec 0b fd be 02 00 00 00 eb 0a e8 80 ec 0b fd be 01 00 00 00 4c 89 f7 e8 b3 5c f2 fd e9 0f ff ff ff e8 69 ec 0b fd <0f> 0b 48 89 df e8 ef 00 00 00 eb bd e8 58 ec 0b fd 4c 89 f7 be 03
[ 28.237403][ T374] RSP: 0018:ffffc90002b87890 EFLAGS: 00010293
[ 28.243491][ T374] RAX: ffffffff845dc087 RBX: ffff88811146f000 RCX: ffff888120cce2c0
[ 28.251536][ T374] RDX: 0000000000000000 RSI: 00000000215395e0 RDI: 000000000c04eb7d
[ 28.260022][ T374] RBP: ffffc90002b878b0 R08: 0000000000000003 R09: 0000000000000004
[ 28.268047][ T374] R10: dffffc0000000000 R11: fffffbfff0e18c4c R12: dffffc0000000000
[ 28.276082][ T374] R13: dffffc0000000000 R14: 00000000215395e0 R15: ffff88811f0a8800
[ 28.285398][ T374] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 28.294372][ T374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.301017][ T374] CR2: 00007fb1f8cadff8 CR3: 000000011aec5000 CR4: 00000000003506a0
[ 28.309163][ T374] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 28.317349][ T374] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 28.325607][ T374] Call Trace:
[ 28.328921][ T374]
[ 28.331870][ T374] pppol2tp_release+0x150/0x2b0
[ 28.336786][ T374] sock_close+0xb8/0x200
[ 28.341052][ T374] ? sock_mmap+0xa0/0xa0
[ 28.345596][ T374] __fput+0x22b/0x900
[ 28.349650][ T374] ____fput+0x15/0x20
[ 28.353688][ T374] task_work_run+0x127/0x190
[ 28.358413][ T374] do_exit+0xb70/0x29a0
[ 28.362612][ T374] ? _raw_spin_lock_bh+0x94/0xf0
[ 28.367748][ T374] ? put_task_struct+0x90/0x90
[ 28.372550][ T374] ? __kasan_check_write+0x14/0x20
[ 28.377739][ T374] ? l2tp_session_put+0xa0/0x1a0
[ 28.382742][ T374] ? __kasan_check_write+0x14/0x20
[ 28.387967][ T374] ? _raw_spin_lock_irq+0x95/0xf0
[ 28.393021][ T374] do_group_exit+0x149/0x310
[ 28.397824][ T374] ? __kasan_check_write+0x14/0x20
[ 28.403016][ T374] ? recalc_sigpending+0x1ac/0x230
[ 28.408338][ T374] get_signal+0x64f/0x1430
[ 28.412790][ T374] arch_do_signal_or_restart+0xe2/0x1100
[ 28.418725][ T374] ? selinux_file_ioctl+0x3ad/0x4c0
[ 28.424000][ T374] ? get_sigframe_size+0x10/0x10
[ 28.429040][ T374] ? __se_sys_futex+0x135/0x330
[ 28.433967][ T374] exit_to_user_mode_loop+0xa7/0xe0
[ 28.439319][ T374] exit_to_user_mode_prepare+0x87/0xd0
[ 28.445033][ T374] syscall_exit_to_user_mode+0x1a/0x30
[ 28.450552][ T374] do_syscall_64+0x58/0xa0
[ 28.455045][ T374] ? clear_bhb_loop+0x50/0xa0
[ 28.459782][ T374] ? clear_bhb_loop+0x50/0xa0
[ 28.464520][ T374] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 28.470725][ T374] RIP: 0033:0x7fb1f8e6de59
[ 28.479620][ T374] Code: Unable to access opcode bytes at RIP 0x7fb1f8e6de2f.
[ 28.487459][ T374] RSP: 002b:00007fb1f8ccf0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[ 28.495970][ T374] RAX: 0000000000000001 RBX: 00007fb1f90f5fa8 RCX: 00007fb1f8e6de59
[ 28.503963][ T374] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fb1f90f5fac
[ 28.511981][ T374] RBP: 00007fb1f90f5fa0 R08: 00156cc17ff8c922 R09: 0000000000000000
[ 28.520020][ T374] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
[ 28.528051][ T374] R13: 00007fb1f90f6038 R14: 00007fff12b01810 R15: 00007fff12b018f8
[ 28.536088][ T374]
[ 28.539113][ T374] ---[ end trace bbcfef4469c7333f ]---