syzkaller syzkaller login: [ 14.749889][ T30] kauditd_printk_skb: 48 callbacks suppressed [ 14.749988][ T30] audit: type=1400 audit(1786305066.646:59): avc: denied { transition } for pid=223 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.760607][ T30] audit: type=1400 audit(1786305066.646:60): avc: denied { noatsecure } for pid=223 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.767058][ T30] audit: type=1400 audit(1786305066.666:61): avc: denied { write } for pid=223 comm="sh" path="pipe:[14002]" dev="pipefs" ino=14002 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 14.784426][ T30] audit: type=1400 audit(1786305066.666:62): avc: denied { rlimitinh } for pid=223 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.803296][ T30] audit: type=1400 audit(1786305066.666:63): avc: denied { siginh } for pid=223 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 16.607902][ T231] scp (231) used greatest stack depth: 20608 bytes left Warning: Permanently added '10.128.0.116' (ED25519) to the list of known hosts. 2026/08/09 19:51:16 parsed 1 programs 2026/08/09 19:51:16 serving rpc on tcp://46211 [ 24.252982][ T30] audit: type=1400 audit(1786305076.156:64): 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 [ 24.274048][ T30] audit: type=1400 audit(1786305076.156:65): 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 [ 24.964794][ T30] audit: type=1400 audit(1786305076.866:66): 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 [ 24.965798][ T299] cgroup: Unknown subsys name 'net' [ 24.987828][ T30] audit: type=1400 audit(1786305076.866:67): 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 [ 25.015416][ T30] audit: type=1400 audit(1786305076.906:68): 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 [ 25.015570][ T299] cgroup: Unknown subsys name 'devices' [ 25.133917][ T299] cgroup: Unknown subsys name 'hugetlb' [ 25.139532][ T299] cgroup: Unknown subsys name 'rlimit' [ 25.280157][ T30] audit: type=1400 audit(1786305077.176:69): 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 [ 25.303371][ T30] audit: type=1400 audit(1786305077.176:70): 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 [ 25.324439][ T30] audit: type=1400 audit(1786305077.176:71): 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 [ 25.344701][ T30] audit: type=1400 audit(1786305077.176:72): 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 [ 25.364866][ T30] audit: type=1400 audit(1786305077.176:73): 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 [ 25.412948][ T303] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 25.460785][ T299] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 25.918326][ T308] request_module fs-gadgetfs succeeded, but still no fs? [ 26.036625][ T321] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.044287][ T321] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.051765][ T321] device bridge_slave_0 entered promiscuous mode [ 26.059422][ T321] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.066519][ T321] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.073874][ T321] device bridge_slave_1 entered promiscuous mode [ 26.110325][ T321] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.117420][ T321] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.124861][ T321] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.131910][ T321] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.148658][ T322] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.156024][ T322] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.163409][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 26.170812][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.181370][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.189708][ T322] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.196784][ T322] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.205607][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.213915][ T322] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.220940][ T322] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.234253][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.243468][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.257516][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.268616][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.276848][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.284492][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.294086][ T321] device veth0_vlan entered promiscuous mode [ 26.303515][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.312491][ T321] device veth1_macvtap entered promiscuous mode [ 26.321149][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.331082][ T322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 26.360401][ T321] syz-executor (321) used greatest stack depth: 20096 bytes left 2026/08/09 19:51:18 executed programs: 0 [ 27.046012][ T368] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.053563][ T368] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.061420][ T368] device bridge_slave_0 entered promiscuous mode [ 27.068750][ T368] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.075810][ T368] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.083205][ T368] device bridge_slave_1 entered promiscuous mode [ 27.122916][ T368] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.129983][ T368] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.137329][ T368] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.144521][ T368] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.166668][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.174360][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.181556][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.190402][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.198580][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.205634][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.218181][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.226670][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.233745][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.245567][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.258084][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.272091][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.282163][ T8] device bridge_slave_1 left promiscuous mode [ 27.288474][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.296411][ T8] device bridge_slave_0 left promiscuous mode [ 27.302808][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.310721][ T8] device veth1_macvtap left promiscuous mode [ 27.316932][ T8] device veth0_vlan left promiscuous mode [ 27.418114][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.426341][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.434047][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.442644][ T368] device veth0_vlan entered promiscuous mode [ 27.452458][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.461870][ T368] device veth1_macvtap entered promiscuous mode [ 27.472011][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.482227][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.506461][ T372] ================================================================== [ 27.514575][ T372] BUG: KASAN: use-after-free in pppol2tp_sock_to_session+0x1a0/0x1b0 [ 27.522661][ T372] Read of size 4 at addr ffff8881210b7400 by task syz.2.17/372 [ 27.530300][ T372] [ 27.532625][ T372] CPU: 0 PID: 372 Comm: syz.2.17 Not tainted syzkaller #0 [ 27.539893][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 27.550050][ T372] Call Trace: [ 27.553318][ T372] [ 27.556258][ T372] __dump_stack+0x21/0x30 [ 27.560677][ T372] dump_stack_lvl+0x110/0x170 [ 27.565341][ T372] ? show_regs_print_info+0x20/0x20 [ 27.570531][ T372] ? load_image+0x3f0/0x3f0 [ 27.575019][ T372] ? __local_bh_enable_ip+0x58/0x80 [ 27.580206][ T372] print_address_description+0x7f/0x2c0 [ 27.585744][ T372] ? pppol2tp_sock_to_session+0x1a0/0x1b0 [ 27.591466][ T372] kasan_report+0x10f/0x150 [ 27.595970][ T372] ? pppol2tp_sock_to_session+0x1a0/0x1b0 [ 27.601769][ T372] __asan_report_load4_noabort+0x14/0x20 [ 27.607475][ T372] pppol2tp_sock_to_session+0x1a0/0x1b0 [ 27.613027][ T372] pppol2tp_release+0x150/0x2b0 [ 27.617996][ T372] sock_close+0xb8/0x200 [ 27.622297][ T372] ? sock_mmap+0xa0/0xa0 [ 27.626560][ T372] __fput+0x22b/0x900 [ 27.630563][ T372] ____fput+0x15/0x20 [ 27.634535][ T372] task_work_run+0x127/0x190 [ 27.639127][ T372] exit_to_user_mode_loop+0xd0/0xe0 [ 27.644411][ T372] exit_to_user_mode_prepare+0x87/0xd0 [ 27.649864][ T372] syscall_exit_to_user_mode+0x1a/0x30 [ 27.655709][ T372] do_syscall_64+0x58/0xa0 [ 27.660133][ T372] ? clear_bhb_loop+0x50/0xa0 [ 27.664806][ T372] ? clear_bhb_loop+0x50/0xa0 [ 27.669614][ T372] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 27.675602][ T372] RIP: 0033:0x7f6e86ee70d9 [ 27.680014][ T372] 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 [ 27.699985][ T372] RSP: 002b:00007ffc1abbb6b8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 27.708390][ T372] RAX: 0000000000000000 RBX: 00007ffc1abbb7a0 RCX: 00007f6e86ee70d9 [ 27.716348][ T372] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 27.724333][ T372] RBP: 0000000000006b51 R08: 0000000000000001 R09: 0000000000000000 [ 27.732378][ T372] R10: 0000001b32f20000 R11: 0000000000000246 R12: 0000000000000000 [ 27.740370][ T372] R13: 00007f6e8716efac R14: 00007f6e8716efa8 R15: 00007f6e8716efa0 [ 27.748462][ T372] [ 27.751587][ T372] [ 27.753947][ T372] Allocated by task 372: [ 27.758189][ T372] __kasan_kmalloc+0xd4/0x100 [ 27.762860][ T372] __kmalloc+0x13d/0x2c0 [ 27.767203][ T372] l2tp_session_create+0x39/0xb60 [ 27.772304][ T372] pppol2tp_connect+0xbf5/0x1640 [ 27.777226][ T372] __sys_connect+0x3cb/0x450 [ 27.781798][ T372] __x64_sys_connect+0x7a/0x90 [ 27.786545][ T372] x64_sys_call+0x7c/0x9a0 [ 27.791066][ T372] do_syscall_64+0x4c/0xa0 [ 27.795464][ T372] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 27.801429][ T372] [ 27.803742][ T372] Freed by task 322: [ 27.807625][ T372] kasan_set_track+0x4a/0x70 [ 27.812215][ T372] kasan_set_free_info+0x23/0x40 [ 27.817608][ T372] ____kasan_slab_free+0x125/0x160 [ 27.822715][ T372] __kasan_slab_free+0x11/0x20 [ 27.827596][ T372] slab_free_freelist_hook+0xc2/0x190 [ 27.832965][ T372] kfree+0xc4/0x270 [ 27.836771][ T372] l2tp_session_put+0xaf/0x1a0 [ 27.841638][ T372] l2tp_session_delete+0x3a9/0x4a0 [ 27.846748][ T372] l2tp_tunnel_del_work+0x180/0x3d0 [ 27.851942][ T372] process_one_work+0x6c8/0xbb0 [ 27.856789][ T372] worker_thread+0xaa0/0x1250 [ 27.861459][ T372] kthread+0x3f5/0x4f0 [ 27.865526][ T372] ret_from_fork+0x1f/0x30 [ 27.869948][ T372] [ 27.872270][ T372] The buggy address belongs to the object at ffff8881210b7400 [ 27.872270][ T372] which belongs to the cache kmalloc-512 of size 512 [ 27.886582][ T372] The buggy address is located 0 bytes inside of [ 27.886582][ T372] 512-byte region [ffff8881210b7400, ffff8881210b7600) [ 27.899761][ T372] The buggy address belongs to the page: [ 27.905577][ T372] page:ffffea0004842d00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1210b4 [ 27.915895][ T372] head:ffffea0004842d00 order:2 compound_mapcount:0 compound_pincount:0 [ 27.924388][ T372] flags: 0x4000000000010200(slab|head|zone=1) [ 27.930466][ T372] raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00 [ 27.939588][ T372] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 27.948196][ T372] page dumped because: kasan: bad access detected [ 27.954605][ T372] page_owner tracks the page as allocated [ 27.960324][ T372] page last allocated via order 2, migratetype Unmovable, gfp_mask 0x152a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 20, ts 27505316408, free_ts 26803215472 [ 27.979459][ T372] post_alloc_hook+0x192/0x1b0 [ 27.984532][ T372] prep_new_page+0x1c/0x110 [ 27.989035][ T372] get_page_from_freelist+0x2c3a/0x2cd0 [ 27.994670][ T372] __alloc_pages+0x1a2/0x460 [ 27.999270][ T372] new_slab+0xa0/0x4d0 [ 28.003341][ T372] ___slab_alloc+0x3ac/0x840 [ 28.008687][ T372] __slab_alloc+0x49/0x90 [ 28.013034][ T372] __kmalloc+0x16a/0x2c0 [ 28.017289][ T372] ___neigh_create+0x6fb/0x1c50 [ 28.022135][ T372] __neigh_create+0x31/0x40 [ 28.026719][ T372] ip6_finish_output2+0xae3/0x1790 [ 28.031826][ T372] __ip6_finish_output+0x621/0x7e0 [ 28.036941][ T372] ip6_finish_output+0x31/0x220 [ 28.042082][ T372] ip6_output+0x1fa/0x410 [ 28.046408][ T372] mld_sendpack+0x68d/0xba0 [ 28.051005][ T372] mld_ifc_work+0x7d7/0xc40 [ 28.055522][ T372] page last free stack trace: [ 28.060196][ T372] free_unref_page_prepare+0x5fa/0x600 [ 28.065749][ T372] free_unref_page+0xae/0x540 [ 28.070430][ T372] __free_pages+0x6c/0x100 [ 28.074850][ T372] __vunmap+0x801/0x980 [ 28.079002][ T372] vfree+0x8b/0xc0 [ 28.082721][ T372] kcov_close+0x2b/0x50 [ 28.086873][ T372] __fput+0x22b/0x900 [ 28.090983][ T372] ____fput+0x15/0x20 [ 28.094959][ T372] task_work_run+0x127/0x190 [ 28.099551][ T372] do_exit+0xb70/0x29a0 [ 28.103725][ T372] do_group_exit+0x149/0x310 [ 28.108311][ T372] get_signal+0x64f/0x1430 [ 28.112724][ T372] arch_do_signal_or_restart+0xe2/0x1100 [ 28.118351][ T372] exit_to_user_mode_loop+0xa7/0xe0 [ 28.123545][ T372] exit_to_user_mode_prepare+0x87/0xd0 [ 28.129016][ T372] syscall_exit_to_user_mode+0x1a/0x30 [ 28.134487][ T372] [ 28.136816][ T372] Memory state around the buggy address: [ 28.142527][ T372] ffff8881210b7300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.150670][ T372] ffff8881210b7380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.158726][ T372] >ffff8881210b7400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.166789][ T372] ^ [ 28.170854][ T372] ffff8881210b7480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.179454][ T372] ffff8881210b7500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.187508][ T372] ================================================================== [ 28.195822][ T372] Disabling lock debugging due to kernel taint [ 28.204687][ T372] ------------[ cut here ]------------ [ 28.210183][ T372] WARNING: CPU: 1 PID: 372 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 28.220466][ T372] Modules linked in: [ 28.225206][ T372] CPU: 0 PID: 372 Comm: syz.2.17 Tainted: G B syzkaller #0 [ 28.234536][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 28.245244][ T372] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [ 28.251814][ T372] Code: 5d c3 e8 2c 83 0b fd be 02 00 00 00 eb 0a e8 20 83 0b fd be 01 00 00 00 4c 89 f7 e8 33 02 f2 fd e9 0f ff ff ff e8 09 83 0b fd <0f> 0b 48 89 df e8 ef 00 00 00 eb bd e8 f8 82 0b fd 4c 89 f7 be 03 [ 28.273041][ T372] RSP: 0018:ffffc90000b27d10 EFLAGS: 00010293 [ 28.279135][ T372] RAX: ffffffff845e33d7 RBX: ffff88810b8a1000 RCX: ffff88811eaa62c0 [ 28.287397][ T372] RDX: 0000000000000000 RSI: 000000000abe8d60 RDI: 000000000c04eb7d [ 28.295425][ T372] RBP: ffffc90000b27d30 R08: 0000000000000003 R09: 0000000000000004 [ 28.303471][ T372] R10: dffffc0000000000 R11: fffffbfff0e18e4c R12: dffffc0000000000 [ 28.311505][ T372] R13: dffffc0000000000 R14: 000000000abe8d60 R15: ffff8881210b7400 [ 28.319990][ T372] FS: 000055556b7f0500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 28.329000][ T372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.335656][ T372] CR2: 0000200000000240 CR3: 000000011ef46000 CR4: 00000000003506b0 [ 28.343748][ T372] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.351861][ T372] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.359857][ T372] Call Trace: [ 28.363219][ T372] [ 28.366176][ T372] pppol2tp_release+0x150/0x2b0 [ 28.371055][ T372] sock_close+0xb8/0x200 [ 28.375427][ T372] ? sock_mmap+0xa0/0xa0 [ 28.379683][ T372] __fput+0x22b/0x900 [ 28.383798][ T372] ____fput+0x15/0x20 [ 28.387864][ T372] task_work_run+0x127/0x190 [ 28.392739][ T372] exit_to_user_mode_loop+0xd0/0xe0 [ 28.397980][ T372] exit_to_user_mode_prepare+0x87/0xd0 [ 28.403503][ T372] syscall_exit_to_user_mode+0x1a/0x30 [ 28.409015][ T372] do_syscall_64+0x58/0xa0 [ 28.414138][ T372] ? clear_bhb_loop+0x50/0xa0 [ 28.418952][ T372] ? clear_bhb_loop+0x50/0xa0 [ 28.423710][ T372] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 28.429638][ T372] RIP: 0033:0x7f6e86ee70d9 [ 28.434326][ T372] 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 [ 28.454117][ T372] RSP: 002b:00007ffc1abbb6b8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 28.462779][ T372] RAX: 0000000000000000 RBX: 00007ffc1abbb7a0 RCX: 00007f6e86ee70d9 [ 28.471143][ T372] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 28.479806][ T372] RBP: 0000000000006b51 R08: 0000000000000001 R09: 0000000000000000 [ 28.488220][ T372] R10: 0000001b32f20000 R11: 0000000000000246 R12: 0000000000000000 [ 28.496383][ T372] R13: 00007f6e8716efac R14: 00007f6e8716efa8 R15: 00007f6e8716efa0 [ 28.504605][ T372] [ 28.507659][ T372] ---[ end trace 6970cc4a22595334 ]---