[....] Starting enhanced syslogd: rsyslogd[ 13.203691] audit: type=1400 audit(1516135360.898:5): avc: denied { syslog } for pid=3506 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 19.694110] audit: type=1400 audit(1516135367.388:6): avc: denied { map } for pid=3648 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts. executing program [ 25.955589] audit: type=1400 audit(1516135373.650:7): avc: denied { map } for pid=3662 comm="syzkaller080680" path="/root/syzkaller080680959" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 25.981565] audit: type=1400 audit(1516135373.660:8): avc: denied { prog_load } for pid=3662 comm="syzkaller080680" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 26.004937] audit: type=1400 audit(1516135373.699:9): avc: denied { prog_run } for pid=3662 comm="syzkaller080680" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 26.028898] audit: type=1400 audit(1516135373.723:10): avc: denied { name_bind } for pid=3662 comm="syzkaller080680" src=20000 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 [ 26.051586] audit: type=1400 audit(1516135373.723:11): avc: denied { node_bind } for pid=3662 comm="syzkaller080680" saddr=::1 src=20000 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:node_t:s0 tclass=dccp_socket permissive=1 [ 26.075861] audit: type=1400 audit(1516135373.724:12): avc: denied { name_connect } for pid=3662 comm="syzkaller080680" dest=20000 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 [ 26.121227] ================================================================== [ 26.128640] BUG: KASAN: use-after-free in psock_write_space+0x143/0x160 [ 26.135363] Read of size 8 at addr ffff8801d9b67d20 by task syzkaller080680/3665 [ 26.142869] [ 26.144472] CPU: 0 PID: 3665 Comm: syzkaller080680 Not tainted 4.15.0-rc7-mm1+ #56 [ 26.152148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.161473] Call Trace: [ 26.164043] dump_stack+0x194/0x257 [ 26.167672] ? arch_local_irq_restore+0x53/0x53 [ 26.172314] ? show_regs_print_info+0x18/0x18 [ 26.176807] ? psock_write_space+0x143/0x160 [ 26.181191] print_address_description+0x73/0x250 [ 26.186009] ? psock_write_space+0x143/0x160 [ 26.190403] kasan_report+0x23b/0x360 [ 26.194179] ? sk_common_release+0x2f0/0x2f0 [ 26.198567] __asan_report_load8_noabort+0x14/0x20 [ 26.203480] psock_write_space+0x143/0x160 [ 26.207689] sock_wfree+0x10b/0x140 [ 26.211291] loopback_xmit+0x12e/0x6a0 [ 26.215154] ? __lock_is_held+0xb6/0x140 [ 26.219185] ? loopback_net_init+0x160/0x160 [ 26.223578] dev_hard_start_xmit+0x24e/0xac0 [ 26.227968] ? validate_xmit_skb_list+0x120/0x120 [ 26.232787] ? netif_skb_features+0x5ff/0x9b0 [ 26.237257] ? __skb_gso_segment+0x810/0x810 [ 26.241639] ? validate_xmit_xfrm+0xb8/0xd90 [ 26.246028] ? lock_acquire+0x1d5/0x580 [ 26.249978] ? __dev_queue_xmit+0x2d8/0x2b50 [ 26.254362] ? print_irqtrace_events+0x270/0x270 [ 26.259102] ? validate_xmit_skb+0x50d/0xaf0 [ 26.263487] ? netif_skb_features+0x9b0/0x9b0 [ 26.267970] __dev_queue_xmit+0x22e9/0x2b50 [ 26.272272] ? netdev_pick_tx+0x300/0x300 [ 26.276419] ? __lock_acquire+0x664/0x3e00 [ 26.280636] ? print_irqtrace_events+0x270/0x270 [ 26.285375] ? print_irqtrace_events+0x270/0x270 [ 26.290125] ? __lock_acquire+0x664/0x3e00 [ 26.294346] ? __lock_acquire+0x664/0x3e00 [ 26.298566] ? check_noncircular+0x20/0x20 [ 26.302784] ? print_irqtrace_events+0x270/0x270 [ 26.307513] ? __lock_acquire+0x664/0x3e00 [ 26.311722] ? print_irqtrace_events+0x270/0x270 [ 26.316453] ? check_noncircular+0x20/0x20 [ 26.320662] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 26.325842] ? print_irqtrace_events+0x270/0x270 [ 26.330576] ? ip6_finish_output+0x698/0xaf0 [ 26.334967] ? lock_downgrade+0x980/0x980 [ 26.339092] ? lock_release+0xa40/0xa40 [ 26.343044] ? mark_held_locks+0xaf/0x100 [ 26.347173] dev_queue_xmit+0x17/0x20 [ 26.351036] ? dev_queue_xmit+0x17/0x20 [ 26.354991] ip6_finish_output2+0x1492/0x23a0 [ 26.359472] ? ip6_sk_dst_lookup_flow+0x7f0/0x7f0 [ 26.364290] ? ip6_mtu+0x369/0x4d0 [ 26.367806] ? check_noncircular+0x20/0x20 [ 26.372030] ? __lock_is_held+0xb6/0x140 [ 26.376082] ? __lock_is_held+0xb6/0x140 [ 26.380132] ip6_finish_output+0x698/0xaf0 [ 26.384341] ? ip6_finish_output+0x698/0xaf0 [ 26.388734] ip6_output+0x1eb/0x840 [ 26.392336] ? ip6_finish_output+0xaf0/0xaf0 [ 26.396725] ? ip6_fragment+0x3470/0x3470 [ 26.400861] ip6_xmit+0xd84/0x2090 [ 26.404382] ? __sk_dst_check+0x1a5/0x380 [ 26.408516] ? ip6_finish_output2+0x23a0/0x23a0 [ 26.413163] ? fl6_update_dst+0x127/0x2b0 [ 26.417288] ? check_noncircular+0x20/0x20 [ 26.421502] ? inet6_csk_route_socket+0x691/0xe80 [ 26.426321] ? lock_acquire+0x1d5/0x580 [ 26.430275] ? lock_acquire+0x1d5/0x580 [ 26.434232] ? inet6_csk_xmit+0x114/0x580 [ 26.438360] ? ip6_forward_finish+0x140/0x140 [ 26.442833] ? lock_release+0xa40/0xa40 [ 26.446798] inet6_csk_xmit+0x2fc/0x580 [ 26.450764] ? inet6_csk_update_pmtu+0x160/0x160 [ 26.455491] ? skb_checksum+0xd1/0x130 [ 26.459352] ? __skb_checksum+0x7e0/0x7e0 [ 26.463478] ? skb_send_sock+0x50/0x50 [ 26.467346] ? dccp_v6_send_check+0x278/0x3e0 [ 26.471818] dccp_transmit_skb+0x9ac/0x10f0 [ 26.476121] dccp_send_reset+0x21c/0x2a0 [ 26.480157] dccp_disconnect+0x90e/0xbb0 [ 26.484197] ? dccp_destroy_sock+0x3f0/0x3f0 [ 26.488578] ? refcount_inc_not_zero+0xfe/0x180 [ 26.493221] ? refcount_add+0x60/0x60 [ 26.496998] ? __lock_is_held+0xb6/0x140 [ 26.501047] inet_child_forget+0x6b/0x320 [ 26.505176] inet_csk_listen_stop+0x128/0x920 [ 26.509650] ? inet_get_local_port_range+0x500/0x500 [ 26.514731] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.519726] ? lock_sock_nested+0x91/0x110 [ 26.523935] ? trace_hardirqs_on+0xd/0x10 [ 26.528068] dccp_close+0x780/0xc20 [ 26.531678] ? ip_mc_drop_socket+0x1ce/0x230 [ 26.536066] inet_release+0xed/0x1c0 [ 26.539756] inet6_release+0x50/0x70 [ 26.543451] sock_release+0x8d/0x1e0 [ 26.547146] ? sock_alloc_file+0x560/0x560 [ 26.551354] sock_close+0x16/0x20 [ 26.554785] __fput+0x327/0x7e0 [ 26.558045] ? fput+0x140/0x140 [ 26.561302] ? _raw_spin_unlock_irq+0x27/0x70 [ 26.565774] ____fput+0x15/0x20 [ 26.569034] task_work_run+0x199/0x270 [ 26.572902] ? task_work_cancel+0x210/0x210 [ 26.577205] ? _raw_spin_unlock+0x22/0x30 [ 26.581325] ? switch_task_namespaces+0x87/0xc0 [ 26.585972] do_exit+0x9bb/0x1ad0 [ 26.589405] ? mm_update_next_owner+0x930/0x930 [ 26.594050] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 26.599223] ? __might_sleep+0x95/0x190 [ 26.603183] ? find_held_lock+0x35/0x1d0 [ 26.607221] ? __pv_queued_spin_lock_slowpath+0x1480/0x1480 [ 26.612908] ? futex_wait+0x402/0x9a0 [ 26.616682] ? lock_downgrade+0x980/0x980 [ 26.620807] ? __unqueue_futex+0x1c0/0x290 [ 26.625018] ? lock_release+0xa40/0xa40 [ 26.628972] ? fault_in_user_writeable+0x90/0x90 [ 26.633702] ? do_raw_spin_trylock+0x190/0x190 [ 26.638257] ? futex_wake+0x680/0x680 [ 26.642035] ? check_noncircular+0x20/0x20 [ 26.646245] ? mmdrop+0x18/0x30 [ 26.649497] ? drop_futex_key_refs.isra.12+0x63/0xa0 [ 26.654571] ? futex_wait+0x6a9/0x9a0 [ 26.658363] ? find_held_lock+0x35/0x1d0 [ 26.662409] ? get_signal+0x7ae/0x16c0 [ 26.666271] ? lock_downgrade+0x980/0x980 [ 26.670410] do_group_exit+0x149/0x400 [ 26.674270] ? do_raw_spin_trylock+0x190/0x190 [ 26.678829] ? SyS_exit+0x30/0x30 [ 26.682255] ? _raw_spin_unlock_irq+0x27/0x70 [ 26.686725] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.691723] get_signal+0x73f/0x16c0 [ 26.695420] ? ptrace_notify+0x130/0x130 [ 26.699467] ? exit_robust_list+0x240/0x240 [ 26.703760] ? trace_hardirqs_on+0xd/0x10 [ 26.707881] ? __local_bh_enable_ip+0x121/0x230 [ 26.712526] ? check_noncircular+0x20/0x20 [ 26.716741] ? check_noncircular+0x20/0x20 [ 26.720948] ? _raw_spin_unlock+0x22/0x30 [ 26.725078] do_signal+0x90/0x1eb0 [ 26.728590] ? reacquire_held_locks+0x1f9/0x3e0 [ 26.733231] ? reacquire_held_locks+0x1f9/0x3e0 [ 26.737879] ? find_held_lock+0x35/0x1d0 [ 26.741916] ? setup_sigcontext+0x7d0/0x7d0 [ 26.746216] ? release_sock+0x1d4/0x2a0 [ 26.750172] ? lock_downgrade+0x980/0x980 [ 26.754290] ? lock_downgrade+0x980/0x980 [ 26.758411] ? lock_release+0xa40/0xa40 [ 26.762358] ? rcu_read_lock_sched_held+0x108/0x120 [ 26.767361] ? __local_bh_enable_ip+0x121/0x230 [ 26.772011] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.777008] ? release_sock+0x1d4/0x2a0 [ 26.780970] ? trace_hardirqs_on+0xd/0x10 [ 26.785092] ? __local_bh_enable_ip+0x121/0x230 [ 26.789743] ? exit_to_usermode_loop+0x8c/0x2f0 [ 26.794402] exit_to_usermode_loop+0x258/0x2f0 [ 26.798956] ? __local_bh_enable_ip+0x121/0x230 [ 26.803601] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 26.809128] syscall_return_slowpath+0x490/0x550 [ 26.813858] ? prepare_exit_to_usermode+0x340/0x340 [ 26.818850] ? entry_SYSCALL_64_fastpath+0x73/0xa0 [ 26.823754] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.828744] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 26.833476] entry_SYSCALL_64_fastpath+0x9e/0xa0 [ 26.838204] RIP: 0033:0x445819 [ 26.841367] RSP: 002b:00007f9fbd331da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 26.849045] RAX: fffffffffffffe00 RBX: 00000000006dac54 RCX: 0000000000445819 [ 26.856288] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000006dac54 [ 26.863533] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.870781] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dac50 [ 26.878027] R13: 0100000000000000 R14: 656c6c616b7a7973 R15: 000000000000000b [ 26.885286] [ 26.886889] Allocated by task 3663: [ 26.890492] save_stack+0x43/0xd0 [ 26.893917] kasan_kmalloc+0xad/0xe0 [ 26.897604] kasan_slab_alloc+0x12/0x20 [ 26.901548] kmem_cache_alloc+0x12e/0x760 [ 26.905679] kcm_ioctl+0x2d2/0x1690 [ 26.909276] sock_do_ioctl+0x65/0xb0 [ 26.912968] sock_ioctl+0x2c2/0x440 [ 26.916565] do_vfs_ioctl+0x1b1/0x1520 [ 26.920422] SyS_ioctl+0x8f/0xc0 [ 26.923759] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 26.928482] [ 26.930080] Freed by task 3665: [ 26.933335] save_stack+0x43/0xd0 [ 26.936760] __kasan_slab_free+0x11a/0x170 [ 26.940963] kasan_slab_free+0xe/0x10 [ 26.944735] kmem_cache_free+0x86/0x2b0 [ 26.948679] kcm_unattach+0xe53/0x1510 [ 26.952539] kcm_done+0x5c7/0x1990 [ 26.956049] kcm_release+0x478/0x860 [ 26.959734] sock_release+0x8d/0x1e0 [ 26.963416] sock_close+0x16/0x20 [ 26.966842] __fput+0x327/0x7e0 [ 26.970096] ____fput+0x15/0x20 [ 26.973348] task_work_run+0x199/0x270 [ 26.977211] do_exit+0x9bb/0x1ad0 [ 26.980634] do_group_exit+0x149/0x400 [ 26.984490] get_signal+0x73f/0x16c0 [ 26.988172] do_signal+0x90/0x1eb0 [ 26.991682] exit_to_usermode_loop+0x258/0x2f0 [ 26.996235] syscall_return_slowpath+0x490/0x550 [ 27.000962] entry_SYSCALL_64_fastpath+0x9e/0xa0 [ 27.005685] [ 27.007292] The buggy address belongs to the object at ffff8801d9b67bc0 [ 27.007292] which belongs to the cache kcm_psock_cache of size 544 [ 27.020268] The buggy address is located 352 bytes inside of [ 27.020268] 544-byte region [ffff8801d9b67bc0, ffff8801d9b67de0) [ 27.032116] The buggy address belongs to the page: [ 27.037020] page:ffffea000766d980 count:1 mapcount:0 mapping:ffff8801d9b66040 index:0x0 compound_mapcount: 0 [ 27.046964] flags: 0x2fffc0000008100(slab|head) [ 27.051605] raw: 02fffc0000008100 ffff8801d9b66040 0000000000000000 000000010000000b [ 27.059462] raw: ffff8801d2e79748 ffff8801d2e79748 ffff8801d6271240 0000000000000000 [ 27.067315] page dumped because: kasan: bad access detected [ 27.072993] [ 27.074593] Memory state around the buggy address: [ 27.079491] ffff8801d9b67c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.086822] ffff8801d9b67c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.094161] >ffff8801d9b67d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.101495] ^ [ 27.105882] ffff8801d9b67d80: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 27.113210] ffff8801d9b67e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.120538] ================================================================== [ 27.127871] Disabling lock debugging due to kernel taint [ 27.133338] Kernel panic - not syncing: panic_on_warn set ... [ 27.133338] [ 27.140694] CPU: 0 PID: 3665 Comm: syzkaller080680 Tainted: G B 4.15.0-rc7-mm1+ #56 [ 27.149683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.159008] Call Trace: [ 27.161577] dump_stack+0x194/0x257 [ 27.165176] ? arch_local_irq_restore+0x53/0x53 [ 27.169827] ? kasan_end_report+0x32/0x50 [ 27.173956] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 27.178689] ? vsnprintf+0x1ed/0x1900 [ 27.182461] ? psock_write_space+0x130/0x160 [ 27.186842] panic+0x1e4/0x41c [ 27.190009] ? refcount_error_report+0x214/0x214 [ 27.194745] ? add_taint+0x1c/0x50 [ 27.198257] ? add_taint+0x1c/0x50 [ 27.201771] ? psock_write_space+0x143/0x160 [ 27.206151] kasan_end_report+0x50/0x50 [ 27.210096] kasan_report+0x148/0x360 [ 27.213877] ? sk_common_release+0x2f0/0x2f0 [ 27.218256] __asan_report_load8_noabort+0x14/0x20 [ 27.223154] psock_write_space+0x143/0x160 [ 27.227361] sock_wfree+0x10b/0x140 [ 27.230956] loopback_xmit+0x12e/0x6a0 [ 27.234816] ? __lock_is_held+0xb6/0x140 [ 27.238847] ? loopback_net_init+0x160/0x160 [ 27.243242] dev_hard_start_xmit+0x24e/0xac0 [ 27.247626] ? validate_xmit_skb_list+0x120/0x120 [ 27.252440] ? netif_skb_features+0x5ff/0x9b0 [ 27.256911] ? __skb_gso_segment+0x810/0x810 [ 27.261290] ? validate_xmit_xfrm+0xb8/0xd90 [ 27.265679] ? lock_acquire+0x1d5/0x580 [ 27.269625] ? __dev_queue_xmit+0x2d8/0x2b50 [ 27.274006] ? print_irqtrace_events+0x270/0x270 [ 27.278749] ? validate_xmit_skb+0x50d/0xaf0 [ 27.283129] ? netif_skb_features+0x9b0/0x9b0 [ 27.287609] __dev_queue_xmit+0x22e9/0x2b50 [ 27.291907] ? netdev_pick_tx+0x300/0x300 [ 27.296028] ? __lock_acquire+0x664/0x3e00 [ 27.300242] ? print_irqtrace_events+0x270/0x270 [ 27.304970] ? print_irqtrace_events+0x270/0x270 [ 27.309696] ? __lock_acquire+0x664/0x3e00 [ 27.313911] ? __lock_acquire+0x664/0x3e00 [ 27.318124] ? check_noncircular+0x20/0x20 [ 27.322344] ? print_irqtrace_events+0x270/0x270 [ 27.327070] ? __lock_acquire+0x664/0x3e00 [ 27.331277] ? print_irqtrace_events+0x270/0x270 [ 27.336009] ? check_noncircular+0x20/0x20 [ 27.340219] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 27.345382] ? print_irqtrace_events+0x270/0x270 [ 27.350112] ? ip6_finish_output+0x698/0xaf0 [ 27.354491] ? lock_downgrade+0x980/0x980 [ 27.358612] ? lock_release+0xa40/0xa40 [ 27.362562] ? mark_held_locks+0xaf/0x100 [ 27.366687] dev_queue_xmit+0x17/0x20 [ 27.370457] ? dev_queue_xmit+0x17/0x20 [ 27.374402] ip6_finish_output2+0x1492/0x23a0 [ 27.378872] ? ip6_sk_dst_lookup_flow+0x7f0/0x7f0 [ 27.383700] ? ip6_mtu+0x369/0x4d0 [ 27.387223] ? check_noncircular+0x20/0x20 [ 27.391433] ? __lock_is_held+0xb6/0x140 [ 27.395470] ? __lock_is_held+0xb6/0x140 [ 27.399505] ip6_finish_output+0x698/0xaf0 [ 27.403711] ? ip6_finish_output+0x698/0xaf0 [ 27.408093] ip6_output+0x1eb/0x840 [ 27.411693] ? ip6_finish_output+0xaf0/0xaf0 [ 27.416076] ? ip6_fragment+0x3470/0x3470 [ 27.420204] ip6_xmit+0xd84/0x2090 [ 27.423717] ? __sk_dst_check+0x1a5/0x380 [ 27.427847] ? ip6_finish_output2+0x23a0/0x23a0 [ 27.432487] ? fl6_update_dst+0x127/0x2b0 [ 27.436616] ? check_noncircular+0x20/0x20 [ 27.440827] ? inet6_csk_route_socket+0x691/0xe80 [ 27.445649] ? lock_acquire+0x1d5/0x580 [ 27.449594] ? lock_acquire+0x1d5/0x580 [ 27.453538] ? inet6_csk_xmit+0x114/0x580 [ 27.457663] ? ip6_forward_finish+0x140/0x140 [ 27.462129] ? lock_release+0xa40/0xa40 [ 27.466088] inet6_csk_xmit+0x2fc/0x580 [ 27.470039] ? inet6_csk_update_pmtu+0x160/0x160 [ 27.474779] ? skb_checksum+0xd1/0x130 [ 27.478641] ? __skb_checksum+0x7e0/0x7e0 [ 27.482760] ? skb_send_sock+0x50/0x50 [ 27.486627] ? dccp_v6_send_check+0x278/0x3e0 [ 27.491107] dccp_transmit_skb+0x9ac/0x10f0 [ 27.495405] dccp_send_reset+0x21c/0x2a0 [ 27.499441] dccp_disconnect+0x90e/0xbb0 [ 27.503475] ? dccp_destroy_sock+0x3f0/0x3f0 [ 27.507863] ? refcount_inc_not_zero+0xfe/0x180 [ 27.512504] ? refcount_add+0x60/0x60 [ 27.516288] ? __lock_is_held+0xb6/0x140 [ 27.520337] inet_child_forget+0x6b/0x320 [ 27.524458] inet_csk_listen_stop+0x128/0x920 [ 27.528927] ? inet_get_local_port_range+0x500/0x500 [ 27.534014] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.539009] ? lock_sock_nested+0x91/0x110 [ 27.543219] ? trace_hardirqs_on+0xd/0x10 [ 27.547343] dccp_close+0x780/0xc20 [ 27.550940] ? ip_mc_drop_socket+0x1ce/0x230 [ 27.555323] inet_release+0xed/0x1c0 [ 27.559023] inet6_release+0x50/0x70 [ 27.562713] sock_release+0x8d/0x1e0 [ 27.566396] ? sock_alloc_file+0x560/0x560 [ 27.570599] sock_close+0x16/0x20 [ 27.574027] __fput+0x327/0x7e0 [ 27.577283] ? fput+0x140/0x140 [ 27.580535] ? _raw_spin_unlock_irq+0x27/0x70 [ 27.585018] ____fput+0x15/0x20 [ 27.588280] task_work_run+0x199/0x270 [ 27.592145] ? task_work_cancel+0x210/0x210 [ 27.596439] ? _raw_spin_unlock+0x22/0x30 [ 27.600560] ? switch_task_namespaces+0x87/0xc0 [ 27.605203] do_exit+0x9bb/0x1ad0 [ 27.608628] ? mm_update_next_owner+0x930/0x930 [ 27.613280] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 27.618441] ? __might_sleep+0x95/0x190 [ 27.622391] ? find_held_lock+0x35/0x1d0 [ 27.626426] ? __pv_queued_spin_lock_slowpath+0x1480/0x1480 [ 27.632110] ? futex_wait+0x402/0x9a0 [ 27.635883] ? lock_downgrade+0x980/0x980 [ 27.640001] ? __unqueue_futex+0x1c0/0x290 [ 27.644880] ? lock_release+0xa40/0xa40 [ 27.648830] ? fault_in_user_writeable+0x90/0x90 [ 27.653558] ? do_raw_spin_trylock+0x190/0x190 [ 27.658109] ? futex_wake+0x680/0x680 [ 27.661878] ? check_noncircular+0x20/0x20 [ 27.666092] ? mmdrop+0x18/0x30 [ 27.669341] ? drop_futex_key_refs.isra.12+0x63/0xa0 [ 27.674413] ? futex_wait+0x6a9/0x9a0 [ 27.678187] ? find_held_lock+0x35/0x1d0 [ 27.682221] ? get_signal+0x7ae/0x16c0 [ 27.686081] ? lock_downgrade+0x980/0x980 [ 27.690203] do_group_exit+0x149/0x400 [ 27.694067] ? do_raw_spin_trylock+0x190/0x190 [ 27.698620] ? SyS_exit+0x30/0x30 [ 27.702052] ? _raw_spin_unlock_irq+0x27/0x70 [ 27.706528] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.711524] get_signal+0x73f/0x16c0 [ 27.715214] ? ptrace_notify+0x130/0x130 [ 27.719258] ? exit_robust_list+0x240/0x240 [ 27.723552] ? trace_hardirqs_on+0xd/0x10 [ 27.727673] ? __local_bh_enable_ip+0x121/0x230 [ 27.732320] ? check_noncircular+0x20/0x20 [ 27.736524] ? check_noncircular+0x20/0x20 [ 27.740737] ? _raw_spin_unlock+0x22/0x30 [ 27.744864] do_signal+0x90/0x1eb0 [ 27.748376] ? reacquire_held_locks+0x1f9/0x3e0 [ 27.753022] ? reacquire_held_locks+0x1f9/0x3e0 [ 27.757673] ? find_held_lock+0x35/0x1d0 [ 27.761705] ? setup_sigcontext+0x7d0/0x7d0 [ 27.765999] ? release_sock+0x1d4/0x2a0 [ 27.769950] ? lock_downgrade+0x980/0x980 [ 27.774067] ? lock_downgrade+0x980/0x980 [ 27.778186] ? lock_release+0xa40/0xa40 [ 27.782134] ? rcu_read_lock_sched_held+0x108/0x120 [ 27.787122] ? __local_bh_enable_ip+0x121/0x230 [ 27.791763] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.796751] ? release_sock+0x1d4/0x2a0 [ 27.800696] ? trace_hardirqs_on+0xd/0x10 [ 27.804823] ? __local_bh_enable_ip+0x121/0x230 [ 27.809466] ? exit_to_usermode_loop+0x8c/0x2f0 [ 27.814112] exit_to_usermode_loop+0x258/0x2f0 [ 27.818672] ? __local_bh_enable_ip+0x121/0x230 [ 27.823320] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 27.828832] syscall_return_slowpath+0x490/0x550 [ 27.833557] ? prepare_exit_to_usermode+0x340/0x340 [ 27.838556] ? entry_SYSCALL_64_fastpath+0x73/0xa0 [ 27.843456] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.848442] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 27.853178] entry_SYSCALL_64_fastpath+0x9e/0xa0 [ 27.857905] RIP: 0033:0x445819 [ 27.861066] RSP: 002b:00007f9fbd331da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 27.868756] RAX: fffffffffffffe00 RBX: 00000000006dac54 RCX: 0000000000445819 [ 27.875998] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000006dac54 [ 27.883263] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 27.890504] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dac50 [ 27.897743] R13: 0100000000000000 R14: 656c6c616b7a7973 R15: 000000000000000b [ 27.905441] Dumping ftrace buffer: [ 27.908960] (ftrace buffer empty) [ 27.912640] Kernel Offset: disabled [ 27.916240] Rebooting in 86400 seconds..