[....] Starting enhanced syslogd: rsyslogd[ 13.394571] audit: type=1400 audit(1516140986.982:5): avc: denied { syslog } for pid=3507 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 mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 35.387271] audit: type=1400 audit(1516141008.974:6): avc: denied { map } for pid=3651 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 '10.128.0.10' (ECDSA) to the list of known hosts. executing program [ 41.391523] audit: type=1400 audit(1516141014.979:7): avc: denied { map } for pid=3663 comm="syzkaller645698" path="/root/syzkaller645698582" 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 [ 41.417477] audit: type=1400 audit(1516141014.989:8): avc: denied { prog_load } for pid=3663 comm="syzkaller645698" 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 [ 41.440865] audit: type=1400 audit(1516141015.028:9): avc: denied { prog_run } for pid=3663 comm="syzkaller645698" 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 [ 41.463293] audit: type=1400 audit(1516141015.032:10): avc: denied { name_bind } for pid=3663 comm="syzkaller645698" 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 [ 41.486122] audit: type=1400 audit(1516141015.032:11): avc: denied { node_bind } for pid=3663 comm="syzkaller645698" 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 [ 41.509584] audit: type=1400 audit(1516141015.033:12): avc: denied { name_connect } for pid=3663 comm="syzkaller645698" 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 [ 41.548185] ================================================================== [ 41.555655] BUG: KASAN: use-after-free in psock_write_space+0x143/0x160 [ 41.562383] Read of size 8 at addr ffff8801bbb11d20 by task syzkaller645698/3665 [ 41.569889] [ 41.571493] CPU: 0 PID: 3665 Comm: syzkaller645698 Not tainted 4.15.0-rc8-next-20180116+ #98 [ 41.580039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.589367] Call Trace: [ 41.591935] dump_stack+0x194/0x257 [ 41.595544] ? arch_local_irq_restore+0x53/0x53 [ 41.600198] ? show_regs_print_info+0x18/0x18 [ 41.604672] ? psock_write_space+0x143/0x160 [ 41.609055] print_address_description+0x73/0x250 [ 41.613886] ? psock_write_space+0x143/0x160 [ 41.618268] kasan_report+0x23b/0x360 [ 41.622043] ? sk_common_release+0x2f0/0x2f0 [ 41.626421] __asan_report_load8_noabort+0x14/0x20 [ 41.631324] psock_write_space+0x143/0x160 [ 41.635535] sock_wfree+0x10b/0x140 [ 41.639136] loopback_xmit+0x12e/0x6a0 [ 41.642998] ? __lock_is_held+0xb6/0x140 [ 41.647038] ? loopback_net_init+0x160/0x160 [ 41.651431] dev_hard_start_xmit+0x24e/0xac0 [ 41.655819] ? validate_xmit_skb_list+0x120/0x120 [ 41.660646] ? netif_skb_features+0x5ff/0x9b0 [ 41.665116] ? __skb_gso_segment+0x810/0x810 [ 41.669494] ? validate_xmit_xfrm+0xb8/0xd90 [ 41.673877] ? lock_acquire+0x1d5/0x580 [ 41.677820] ? __dev_queue_xmit+0x2d8/0x2b50 [ 41.682201] ? print_irqtrace_events+0x270/0x270 [ 41.686933] ? validate_xmit_skb+0x50d/0xaf0 [ 41.691317] ? netif_skb_features+0x9b0/0x9b0 [ 41.695791] __dev_queue_xmit+0x22e9/0x2b50 [ 41.700095] ? netdev_pick_tx+0x2c0/0x2c0 [ 41.704212] ? __lock_acquire+0x664/0x3e00 [ 41.708424] ? print_irqtrace_events+0x270/0x270 [ 41.713149] ? print_irqtrace_events+0x270/0x270 [ 41.717878] ? __lock_acquire+0x664/0x3e00 [ 41.722091] ? __lock_acquire+0x664/0x3e00 [ 41.726306] ? check_noncircular+0x20/0x20 [ 41.730519] ? print_irqtrace_events+0x270/0x270 [ 41.735248] ? __lock_acquire+0x664/0x3e00 [ 41.739455] ? print_irqtrace_events+0x270/0x270 [ 41.744186] ? check_noncircular+0x20/0x20 [ 41.748394] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 41.753563] ? print_irqtrace_events+0x270/0x270 [ 41.758296] ? ip6_finish_output+0x698/0xaf0 [ 41.762688] ? lock_downgrade+0x980/0x980 [ 41.766809] ? lock_release+0xa40/0xa40 [ 41.770760] ? mark_held_locks+0xaf/0x100 [ 41.774886] dev_queue_xmit+0x17/0x20 [ 41.778658] ? dev_queue_xmit+0x17/0x20 [ 41.782604] ip6_finish_output2+0x1492/0x23a0 [ 41.787078] ? ip6_sk_dst_lookup_flow+0x7f0/0x7f0 [ 41.791897] ? ip6_mtu+0x369/0x4d0 [ 41.795409] ? check_noncircular+0x20/0x20 [ 41.799623] ? __lock_is_held+0xb6/0x140 [ 41.803669] ? __lock_is_held+0xb6/0x140 [ 41.807714] ip6_finish_output+0x698/0xaf0 [ 41.811932] ? ip6_finish_output+0x698/0xaf0 [ 41.816326] ip6_output+0x1eb/0x840 [ 41.819932] ? ip6_finish_output+0xaf0/0xaf0 [ 41.824318] ? ip6_fragment+0x3470/0x3470 [ 41.828444] ip6_xmit+0xd84/0x2090 [ 41.831953] ? __sk_dst_check+0x1a5/0x380 [ 41.836083] ? ip6_finish_output2+0x23a0/0x23a0 [ 41.840726] ? fl6_update_dst+0x127/0x2b0 [ 41.844849] ? check_noncircular+0x20/0x20 [ 41.849057] ? inet6_csk_route_socket+0x691/0xe80 [ 41.853876] ? lock_acquire+0x1d5/0x580 [ 41.857821] ? lock_acquire+0x1d5/0x580 [ 41.861766] ? inet6_csk_xmit+0x114/0x580 [ 41.865891] ? ip6_forward_finish+0x140/0x140 [ 41.870361] ? lock_release+0xa40/0xa40 [ 41.874333] inet6_csk_xmit+0x2fc/0x580 [ 41.878290] ? inet6_csk_update_pmtu+0x160/0x160 [ 41.883017] ? skb_checksum+0xd1/0x130 [ 41.886881] ? __skb_checksum+0x7e0/0x7e0 [ 41.890999] ? skb_send_sock+0x50/0x50 [ 41.894867] ? dccp_v6_send_check+0x278/0x3e0 [ 41.899339] dccp_transmit_skb+0x9ac/0x10f0 [ 41.903640] dccp_send_reset+0x21c/0x2a0 [ 41.907673] dccp_disconnect+0x90e/0xbb0 [ 41.911717] ? dccp_destroy_sock+0x3f0/0x3f0 [ 41.916105] ? refcount_inc_not_zero+0xfe/0x180 [ 41.920753] ? refcount_add+0x60/0x60 [ 41.924530] ? __lock_is_held+0xb6/0x140 [ 41.928585] inet_child_forget+0x6b/0x320 [ 41.932709] inet_csk_listen_stop+0x128/0x920 [ 41.937180] ? inet_get_local_port_range+0x500/0x500 [ 41.942258] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 41.947247] ? lock_sock_nested+0x91/0x110 [ 41.951452] ? trace_hardirqs_on+0xd/0x10 [ 41.955580] dccp_close+0x780/0xc20 [ 41.959181] ? ip_mc_drop_socket+0x1ce/0x230 [ 41.963567] inet_release+0xed/0x1c0 [ 41.967255] inet6_release+0x50/0x70 [ 41.970942] sock_release+0x8d/0x1e0 [ 41.974628] ? sock_alloc_file+0x560/0x560 [ 41.978834] sock_close+0x16/0x20 [ 41.982261] __fput+0x327/0x7e0 [ 41.985518] ? fput+0x140/0x140 [ 41.988771] ? _raw_spin_unlock_irq+0x27/0x70 [ 41.993241] ____fput+0x15/0x20 [ 41.996498] task_work_run+0x199/0x270 [ 42.000359] ? task_work_cancel+0x210/0x210 [ 42.004654] ? _raw_spin_unlock+0x22/0x30 [ 42.008773] ? switch_task_namespaces+0x87/0xc0 [ 42.013429] do_exit+0x9bb/0x1ad0 [ 42.016862] ? mm_update_next_owner+0x930/0x930 [ 42.021511] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.026675] ? __might_sleep+0x95/0x190 [ 42.030629] ? find_held_lock+0x35/0x1d0 [ 42.034665] ? __pv_queued_spin_lock_slowpath+0x1480/0x1480 [ 42.040352] ? futex_wait+0x402/0x9a0 [ 42.044140] ? lock_downgrade+0x980/0x980 [ 42.048263] ? __unqueue_futex+0x1c0/0x290 [ 42.052469] ? lock_release+0xa40/0xa40 [ 42.056419] ? fault_in_user_writeable+0x90/0x90 [ 42.061146] ? do_raw_spin_trylock+0x190/0x190 [ 42.065700] ? futex_wake+0x680/0x680 [ 42.069475] ? check_noncircular+0x20/0x20 [ 42.073686] ? mmdrop+0x18/0x30 [ 42.076938] ? drop_futex_key_refs.isra.12+0x63/0xa0 [ 42.082012] ? futex_wait+0x6a9/0x9a0 [ 42.085791] ? memset+0x31/0x40 [ 42.089046] ? find_held_lock+0x35/0x1d0 [ 42.093096] ? get_signal+0x7a9/0x16d0 [ 42.096957] ? lock_downgrade+0x980/0x980 [ 42.101085] do_group_exit+0x149/0x400 [ 42.104946] ? do_raw_spin_trylock+0x190/0x190 [ 42.109505] ? SyS_exit+0x30/0x30 [ 42.112932] ? _raw_spin_unlock_irq+0x27/0x70 [ 42.117399] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.122390] get_signal+0x73a/0x16d0 [ 42.126083] ? ptrace_notify+0x130/0x130 [ 42.130118] ? exit_robust_list+0x240/0x240 [ 42.134409] ? debug_mutex_init+0x2d/0x60 [ 42.138531] ? __mutex_init+0x1c7/0x2a0 [ 42.142483] ? SyS_membarrier+0x600/0x600 [ 42.146607] ? find_held_lock+0x35/0x1d0 [ 42.150647] do_signal+0x90/0x1eb0 [ 42.154158] ? __fd_install+0x25f/0x740 [ 42.158106] ? lock_downgrade+0x980/0x980 [ 42.162229] ? setup_sigcontext+0x7d0/0x7d0 [ 42.166535] ? __lock_is_held+0xb6/0x140 [ 42.170603] ? exit_to_usermode_loop+0x8c/0x2f0 [ 42.175250] exit_to_usermode_loop+0x258/0x2f0 [ 42.179819] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 42.185339] syscall_return_slowpath+0x490/0x550 [ 42.190066] ? prepare_exit_to_usermode+0x340/0x340 [ 42.195060] ? entry_SYSCALL_64_fastpath+0x73/0xa0 [ 42.199965] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.204951] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.209683] entry_SYSCALL_64_fastpath+0x9e/0xa0 [ 42.214409] RIP: 0033:0x445819 [ 42.217569] RSP: 002b:00007fba5e086da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 42.225255] RAX: fffffffffffffe00 RBX: 00000000006dac3c RCX: 0000000000445819 [ 42.232495] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000006dac3c [ 42.239736] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 42.246977] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dac38 [ 42.254217] R13: 0100000000000000 R14: 656c6c616b7a7973 R15: 000000000000000b [ 42.261477] [ 42.263079] Allocated by task 3664: [ 42.266680] save_stack+0x43/0xd0 [ 42.270105] kasan_kmalloc+0xad/0xe0 [ 42.273797] kasan_slab_alloc+0x12/0x20 [ 42.277741] kmem_cache_alloc+0x12e/0x760 [ 42.281859] kcm_ioctl+0x2d2/0x1690 [ 42.285489] sock_do_ioctl+0x65/0xb0 [ 42.289172] sock_ioctl+0x2c2/0x440 [ 42.292767] do_vfs_ioctl+0x1b1/0x1520 [ 42.296716] SyS_ioctl+0x8f/0xc0 [ 42.300056] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 42.304777] [ 42.306374] Freed by task 3665: [ 42.309629] save_stack+0x43/0xd0 [ 42.313049] __kasan_slab_free+0x11a/0x170 [ 42.317254] kasan_slab_free+0xe/0x10 [ 42.321032] kmem_cache_free+0x86/0x2b0 [ 42.324977] kcm_unattach+0xe53/0x1510 [ 42.328835] kcm_done+0x5c7/0x1990 [ 42.332347] kcm_release+0x478/0x860 [ 42.336030] sock_release+0x8d/0x1e0 [ 42.339714] sock_close+0x16/0x20 [ 42.343138] __fput+0x327/0x7e0 [ 42.346387] ____fput+0x15/0x20 [ 42.349635] task_work_run+0x199/0x270 [ 42.353492] do_exit+0x9bb/0x1ad0 [ 42.356914] do_group_exit+0x149/0x400 [ 42.360771] get_signal+0x73a/0x16d0 [ 42.364453] do_signal+0x90/0x1eb0 [ 42.367965] exit_to_usermode_loop+0x258/0x2f0 [ 42.372517] syscall_return_slowpath+0x490/0x550 [ 42.377245] entry_SYSCALL_64_fastpath+0x9e/0xa0 [ 42.381968] [ 42.383568] The buggy address belongs to the object at ffff8801bbb11bc0 [ 42.383568] which belongs to the cache kcm_psock_cache of size 544 [ 42.396540] The buggy address is located 352 bytes inside of [ 42.396540] 544-byte region [ffff8801bbb11bc0, ffff8801bbb11de0) [ 42.408383] The buggy address belongs to the page: [ 42.413281] page:ffffea0006eec400 count:1 mapcount:0 mapping:ffff8801bbb10040 index:0x0 compound_mapcount: 0 [ 42.423218] flags: 0x2fffc0000008100(slab|head) [ 42.427858] raw: 02fffc0000008100 ffff8801bbb10040 0000000000000000 000000010000000b [ 42.435710] raw: ffff8801d3356948 ffff8801d3356948 ffff8801d3366c40 0000000000000000 [ 42.443559] page dumped because: kasan: bad access detected [ 42.449237] [ 42.450837] Memory state around the buggy address: [ 42.455735] ffff8801bbb11c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 42.463065] ffff8801bbb11c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 42.470394] >ffff8801bbb11d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 42.477723] ^ [ 42.482097] ffff8801bbb11d80: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 42.489427] ffff8801bbb11e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 42.497117] ================================================================== [ 42.504443] Disabling lock debugging due to kernel taint [ 42.509920] Kernel panic - not syncing: panic_on_warn set ... [ 42.509920] [ 42.517253] CPU: 0 PID: 3665 Comm: syzkaller645698 Tainted: G B 4.15.0-rc8-next-20180116+ #98 [ 42.527101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.536425] Call Trace: [ 42.538990] dump_stack+0x194/0x257 [ 42.542590] ? arch_local_irq_restore+0x53/0x53 [ 42.547231] ? kasan_end_report+0x32/0x50 [ 42.551348] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.556073] ? vsnprintf+0x1ed/0x1900 [ 42.559846] ? psock_write_space+0x100/0x160 [ 42.564222] panic+0x1e4/0x41c [ 42.567382] ? refcount_error_report+0x214/0x214 [ 42.572109] ? add_taint+0x1c/0x50 [ 42.575626] ? add_taint+0x1c/0x50 [ 42.579138] ? psock_write_space+0x143/0x160 [ 42.583530] kasan_end_report+0x50/0x50 [ 42.587476] kasan_report+0x148/0x360 [ 42.591258] ? sk_common_release+0x2f0/0x2f0 [ 42.595634] __asan_report_load8_noabort+0x14/0x20 [ 42.600536] psock_write_space+0x143/0x160 [ 42.604740] sock_wfree+0x10b/0x140 [ 42.608339] loopback_xmit+0x12e/0x6a0 [ 42.612197] ? __lock_is_held+0xb6/0x140 [ 42.616226] ? loopback_net_init+0x160/0x160 [ 42.620609] dev_hard_start_xmit+0x24e/0xac0 [ 42.624994] ? validate_xmit_skb_list+0x120/0x120 [ 42.629808] ? netif_skb_features+0x5ff/0x9b0 [ 42.634273] ? __skb_gso_segment+0x810/0x810 [ 42.638666] ? validate_xmit_xfrm+0xb8/0xd90 [ 42.643045] ? lock_acquire+0x1d5/0x580 [ 42.646996] ? __dev_queue_xmit+0x2d8/0x2b50 [ 42.651372] ? print_irqtrace_events+0x270/0x270 [ 42.656099] ? validate_xmit_skb+0x50d/0xaf0 [ 42.660483] ? netif_skb_features+0x9b0/0x9b0 [ 42.664956] __dev_queue_xmit+0x22e9/0x2b50 [ 42.669252] ? netdev_pick_tx+0x2c0/0x2c0 [ 42.673372] ? __lock_acquire+0x664/0x3e00 [ 42.677594] ? print_irqtrace_events+0x270/0x270 [ 42.682318] ? print_irqtrace_events+0x270/0x270 [ 42.687043] ? __lock_acquire+0x664/0x3e00 [ 42.691252] ? __lock_acquire+0x664/0x3e00 [ 42.695463] ? check_noncircular+0x20/0x20 [ 42.699670] ? print_irqtrace_events+0x270/0x270 [ 42.704393] ? __lock_acquire+0x664/0x3e00 [ 42.708594] ? print_irqtrace_events+0x270/0x270 [ 42.713318] ? check_noncircular+0x20/0x20 [ 42.717523] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.722689] ? print_irqtrace_events+0x270/0x270 [ 42.727419] ? ip6_finish_output+0x698/0xaf0 [ 42.731811] ? lock_downgrade+0x980/0x980 [ 42.735935] ? lock_release+0xa40/0xa40 [ 42.739883] ? mark_held_locks+0xaf/0x100 [ 42.744003] dev_queue_xmit+0x17/0x20 [ 42.747772] ? dev_queue_xmit+0x17/0x20 [ 42.751717] ip6_finish_output2+0x1492/0x23a0 [ 42.756196] ? ip6_sk_dst_lookup_flow+0x7f0/0x7f0 [ 42.761018] ? ip6_mtu+0x369/0x4d0 [ 42.764533] ? check_noncircular+0x20/0x20 [ 42.768741] ? __lock_is_held+0xb6/0x140 [ 42.772782] ? __lock_is_held+0xb6/0x140 [ 42.776830] ip6_finish_output+0x698/0xaf0 [ 42.781033] ? ip6_finish_output+0x698/0xaf0 [ 42.785415] ip6_output+0x1eb/0x840 [ 42.789015] ? ip6_finish_output+0xaf0/0xaf0 [ 42.793399] ? ip6_fragment+0x3470/0x3470 [ 42.797522] ip6_xmit+0xd84/0x2090 [ 42.801035] ? __sk_dst_check+0x1a5/0x380 [ 42.805161] ? ip6_finish_output2+0x23a0/0x23a0 [ 42.809809] ? fl6_update_dst+0x127/0x2b0 [ 42.813928] ? check_noncircular+0x20/0x20 [ 42.818145] ? inet6_csk_route_socket+0x691/0xe80 [ 42.822960] ? lock_acquire+0x1d5/0x580 [ 42.826905] ? lock_acquire+0x1d5/0x580 [ 42.830847] ? inet6_csk_xmit+0x114/0x580 [ 42.834966] ? ip6_forward_finish+0x140/0x140 [ 42.839434] ? lock_release+0xa40/0xa40 [ 42.843384] inet6_csk_xmit+0x2fc/0x580 [ 42.847331] ? inet6_csk_update_pmtu+0x160/0x160 [ 42.852053] ? skb_checksum+0xd1/0x130 [ 42.855909] ? __skb_checksum+0x7e0/0x7e0 [ 42.860024] ? skb_send_sock+0x50/0x50 [ 42.863892] ? dccp_v6_send_check+0x278/0x3e0 [ 42.868360] dccp_transmit_skb+0x9ac/0x10f0 [ 42.872656] dccp_send_reset+0x21c/0x2a0 [ 42.876688] dccp_disconnect+0x90e/0xbb0 [ 42.880721] ? dccp_destroy_sock+0x3f0/0x3f0 [ 42.885101] ? refcount_inc_not_zero+0xfe/0x180 [ 42.889738] ? refcount_add+0x60/0x60 [ 42.893596] ? __lock_is_held+0xb6/0x140 [ 42.897631] inet_child_forget+0x6b/0x320 [ 42.901750] inet_csk_listen_stop+0x128/0x920 [ 42.906217] ? inet_get_local_port_range+0x500/0x500 [ 42.911299] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 42.916296] ? lock_sock_nested+0x91/0x110 [ 42.920506] ? trace_hardirqs_on+0xd/0x10 [ 42.924628] dccp_close+0x780/0xc20 [ 42.928225] ? ip_mc_drop_socket+0x1ce/0x230 [ 42.932607] inet_release+0xed/0x1c0 [ 42.936292] inet6_release+0x50/0x70 [ 42.939977] sock_release+0x8d/0x1e0 [ 42.943658] ? sock_alloc_file+0x560/0x560 [ 42.947861] sock_close+0x16/0x20 [ 42.951294] __fput+0x327/0x7e0 [ 42.954559] ? fput+0x140/0x140 [ 42.957811] ? _raw_spin_unlock_irq+0x27/0x70 [ 42.962277] ____fput+0x15/0x20 [ 42.965528] task_work_run+0x199/0x270 [ 42.969385] ? task_work_cancel+0x210/0x210 [ 42.973675] ? _raw_spin_unlock+0x22/0x30 [ 42.977793] ? switch_task_namespaces+0x87/0xc0 [ 42.982433] do_exit+0x9bb/0x1ad0 [ 42.985858] ? mm_update_next_owner+0x930/0x930 [ 42.990495] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.995651] ? __might_sleep+0x95/0x190 [ 42.999598] ? find_held_lock+0x35/0x1d0 [ 43.003630] ? __pv_queued_spin_lock_slowpath+0x1480/0x1480 [ 43.009317] ? futex_wait+0x402/0x9a0 [ 43.013086] ? lock_downgrade+0x980/0x980 [ 43.017204] ? __unqueue_futex+0x1c0/0x290 [ 43.021407] ? lock_release+0xa40/0xa40 [ 43.025349] ? fault_in_user_writeable+0x90/0x90 [ 43.030071] ? do_raw_spin_trylock+0x190/0x190 [ 43.034624] ? futex_wake+0x680/0x680 [ 43.038395] ? check_noncircular+0x20/0x20 [ 43.042606] ? mmdrop+0x18/0x30 [ 43.045858] ? drop_futex_key_refs.isra.12+0x63/0xa0 [ 43.050931] ? futex_wait+0x6a9/0x9a0 [ 43.054707] ? memset+0x31/0x40 [ 43.057960] ? find_held_lock+0x35/0x1d0 [ 43.061994] ? get_signal+0x7a9/0x16d0 [ 43.065852] ? lock_downgrade+0x980/0x980 [ 43.069974] do_group_exit+0x149/0x400 [ 43.073833] ? do_raw_spin_trylock+0x190/0x190 [ 43.078384] ? SyS_exit+0x30/0x30 [ 43.081810] ? _raw_spin_unlock_irq+0x27/0x70 [ 43.086278] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.091265] get_signal+0x73a/0x16d0 [ 43.094954] ? ptrace_notify+0x130/0x130 [ 43.098988] ? exit_robust_list+0x240/0x240 [ 43.103280] ? debug_mutex_init+0x2d/0x60 [ 43.107402] ? __mutex_init+0x1c7/0x2a0 [ 43.111348] ? SyS_membarrier+0x600/0x600 [ 43.115468] ? find_held_lock+0x35/0x1d0 [ 43.119501] do_signal+0x90/0x1eb0 [ 43.123010] ? __fd_install+0x25f/0x740 [ 43.126953] ? lock_downgrade+0x980/0x980 [ 43.131072] ? setup_sigcontext+0x7d0/0x7d0 [ 43.135362] ? __lock_is_held+0xb6/0x140 [ 43.139409] ? exit_to_usermode_loop+0x8c/0x2f0 [ 43.144049] exit_to_usermode_loop+0x258/0x2f0 [ 43.148602] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 43.154114] syscall_return_slowpath+0x490/0x550 [ 43.158837] ? prepare_exit_to_usermode+0x340/0x340 [ 43.163825] ? entry_SYSCALL_64_fastpath+0x73/0xa0 [ 43.168722] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.173709] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.178439] entry_SYSCALL_64_fastpath+0x9e/0xa0 [ 43.183167] RIP: 0033:0x445819 [ 43.186330] RSP: 002b:00007fba5e086da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 43.194011] RAX: fffffffffffffe00 RBX: 00000000006dac3c RCX: 0000000000445819 [ 43.201254] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000006dac3c [ 43.208494] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 43.215734] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dac38 [ 43.222972] R13: 0100000000000000 R14: 656c6c616b7a7973 R15: 000000000000000b [ 43.230603] Dumping ftrace buffer: [ 43.234109] (ftrace buffer empty) [ 43.237803] Kernel Offset: disabled [ 43.241400] Rebooting in 86400 seconds..