[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.191' (ECDSA) to the list of known hosts. syzkaller login: [ 42.844003][ T6847] IPVS: ftp: loaded support on port[0] = 21 [ 42.855985][ T6843] IPVS: ftp: loaded support on port[0] = 21 [ 42.859413][ T6849] IPVS: ftp: loaded support on port[0] = 21 [ 42.865802][ T6848] IPVS: ftp: loaded support on port[0] = 21 [ 42.877914][ T6851] IPVS: ftp: loaded support on port[0] = 21 [ 42.887943][ T6850] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 46.189972][ T2575] Bluetooth: hci3: command 0x0409 tx timeout [ 46.189976][ T12] Bluetooth: hci5: command 0x0409 tx timeout [ 46.212195][ T12] Bluetooth: hci4: command 0x0409 tx timeout [ 46.224867][ T12] Bluetooth: hci1: command 0x0409 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 46.239119][ T12] Bluetooth: hci2: command 0x0409 tx timeout [ 46.249983][ T12] Bluetooth: hci0: command 0x0409 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 48.268546][ T2575] Bluetooth: hci0: command 0x041b tx timeout [ 48.274601][ T2575] Bluetooth: hci2: command 0x041b tx timeout [ 48.296032][ T2575] Bluetooth: hci1: command 0x041b tx timeout [ 48.309263][ T2575] Bluetooth: hci4: command 0x041b tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 48.326919][ T2575] Bluetooth: hci5: command 0x041b tx timeout [ 48.343171][ T2575] Bluetooth: hci3: command 0x041b tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.142428][ T7006] ================================================================== [ 49.152218][ T7006] BUG: KASAN: use-after-free in __sco_sock_close+0x47c/0xed0 [ 49.160280][ T7006] Write of size 4 at addr ffff8880a6ff8010 by task syz-executor236/7006 [ 49.169314][ T7006] [ 49.171734][ T7006] CPU: 0 PID: 7006 Comm: syz-executor236 Not tainted 5.8.0-syzkaller #0 [ 49.180909][ T7006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program executing program [ 49.190975][ T7006] Call Trace: [ 49.194269][ T7006] dump_stack+0x1f0/0x31e [ 49.198604][ T7006] print_address_description+0x66/0x5a0 [ 49.204153][ T7006] ? vprintk_emit+0x342/0x3c0 [ 49.208832][ T7006] ? printk+0x62/0x83 [ 49.212812][ T7006] ? vprintk_emit+0x339/0x3c0 [ 49.217534][ T7006] kasan_report+0x132/0x1d0 [ 49.222126][ T7006] ? __sco_sock_close+0x47c/0xed0 [ 49.227151][ T7006] check_memory_region+0x2b5/0x2f0 [ 49.232261][ T7006] __sco_sock_close+0x47c/0xed0 [ 49.237111][ T7006] ? lockdep_hardirqs_on+0x49/0xf0 [ 49.242232][ T7006] sco_sock_release+0x63/0x4f0 [ 49.246994][ T7006] ? down_write+0xcd/0x130 [ 49.251408][ T7006] sock_close+0xd8/0x260 [ 49.255657][ T7006] ? sock_mmap+0x90/0x90 [ 49.259895][ T7006] __fput+0x2f0/0x750 [ 49.263881][ T7006] task_work_run+0x137/0x1c0 [ 49.268478][ T7006] do_exit+0x5f3/0x1f20 [ 49.274040][ T7006] ? trace_lock_release+0x137/0x1a0 [ 49.279245][ T7006] do_group_exit+0x161/0x2d0 [ 49.283840][ T7006] get_signal+0x139b/0x1d30 [ 49.288350][ T7006] ? sco_sock_connect+0x5ae/0xaa0 [ 49.293403][ T7006] arch_do_signal+0x33/0x610 [ 49.298342][ T7006] ? lock_is_held_type+0xb3/0xe0 [ 49.303282][ T7006] ? exit_to_user_mode_prepare+0x3d/0x1c0 [ 49.309012][ T7006] exit_to_user_mode_prepare+0x8d/0x1c0 [ 49.314570][ T7006] syscall_exit_to_user_mode+0x5e/0x1a0 [ 49.320113][ T7006] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.326132][ T7006] RIP: 0033:0x446eb9 [ 49.330017][ T7006] Code: Bad RIP value. [ 49.334279][ T7006] RSP: 002b:00007ffe6f094b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 49.343756][ T7006] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 0000000000446eb9 [ 49.351720][ T7006] RDX: 0000000000000008 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.359686][ T7006] RBP: 0000000000000004 R08: 0000000000000002 R09: 00000000000300ff [ 49.367643][ T7006] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 [ 49.375591][ T7006] R13: 0000000000407b10 R14: 0000000000000000 R15: 0000000000000000 [ 49.383549][ T7006] [ 49.387598][ T7006] Allocated by task 7006: [ 49.391913][ T7006] __kasan_kmalloc+0x103/0x140 [ 49.397593][ T7006] kmem_cache_alloc_trace+0x234/0x300 [ 49.403046][ T7006] hci_conn_add+0x5d/0x1040 [ 49.407546][ T7006] hci_connect_sco+0x2aa/0xa20 [ 49.412538][ T7006] sco_sock_connect+0x2de/0xaa0 [ 49.417385][ T7006] __sys_connect+0x2da/0x360 [ 49.421969][ T7006] __x64_sys_connect+0x76/0x80 [ 49.426739][ T7006] do_syscall_64+0x31/0x70 [ 49.431143][ T7006] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.437960][ T7006] [ 49.440263][ T7006] Freed by task 7005: [ 49.445320][ T7006] __kasan_slab_free+0x114/0x170 [ 49.452478][ T7006] kfree+0x10a/0x220 [ 49.457786][ T7006] device_release+0x70/0x1a0 [ 49.462894][ T7006] kobject_put+0x1a0/0x2c0 [ 49.468051][ T7006] hci_conn_del+0x2c2/0x550 [ 49.473408][ T7006] hci_event_packet+0x82c8/0x17e10 [ 49.478583][ T7006] hci_rx_work+0x246/0xa20 [ 49.483065][ T7006] process_one_work+0x789/0xfc0 [ 49.487891][ T7006] worker_thread+0xaa4/0x1460 [ 49.492742][ T7006] kthread+0x37e/0x3a0 [ 49.496786][ T7006] ret_from_fork+0x1f/0x30 [ 49.501175][ T7006] [ 49.503502][ T7006] The buggy address belongs to the object at ffff8880a6ff8000 [ 49.503502][ T7006] which belongs to the cache kmalloc-4k of size 4096 [ 49.517535][ T7006] The buggy address is located 16 bytes inside of [ 49.517535][ T7006] 4096-byte region [ffff8880a6ff8000, ffff8880a6ff9000) [ 49.530992][ T7006] The buggy address belongs to the page: [ 49.536664][ T7006] page:ffffea00029bfe00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 head:ffffea00029bfe00 order:1 compound_mapcount:0 [ 49.550110][ T7006] flags: 0xfffe0000010200(slab|head) [ 49.555378][ T7006] raw: 00fffe0000010200 ffffea00024f5608 ffffea00029bf888 ffff8880aa402000 [ 49.563945][ T7006] raw: 0000000000000000 ffff8880a6ff8000 0000000100000001 0000000000000000 [ 49.573148][ T7006] page dumped because: kasan: bad access detected [ 49.580139][ T7006] [ 49.583137][ T7006] Memory state around the buggy address: [ 49.588763][ T7006] ffff8880a6ff7f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 49.596798][ T7006] ffff8880a6ff7f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 49.604987][ T7006] >ffff8880a6ff8000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 49.613549][ T7006] ^ [ 49.618224][ T7006] ffff8880a6ff8080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 49.626392][ T7006] ffff8880a6ff8100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 49.634964][ T7006] ================================================================== executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.644070][ T7006] Disabling lock debugging due to kernel taint [ 49.651678][ T7006] Kernel panic - not syncing: panic_on_warn set ... [ 49.658367][ T7006] CPU: 0 PID: 7006 Comm: syz-executor236 Tainted: G B 5.8.0-syzkaller #0 [ 49.668065][ T7006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.678103][ T7006] Call Trace: [ 49.681377][ T7006] dump_stack+0x1f0/0x31e [ 49.685804][ T7006] panic+0x264/0x7a0 [ 49.689673][ T7006] ? trace_hardirqs_on+0x30/0x80 [ 49.694582][ T7006] kasan_report+0x1c9/0x1d0 [ 49.699057][ T7006] ? __sco_sock_close+0x47c/0xed0 [ 49.704058][ T7006] check_memory_region+0x2b5/0x2f0 [ 49.709140][ T7006] __sco_sock_close+0x47c/0xed0 [ 49.713962][ T7006] ? lockdep_hardirqs_on+0x49/0xf0 [ 49.719042][ T7006] sco_sock_release+0x63/0x4f0 [ 49.723784][ T7006] ? down_write+0xcd/0x130 [ 49.728193][ T7006] sock_close+0xd8/0x260 [ 49.732415][ T7006] ? sock_mmap+0x90/0x90 [ 49.736626][ T7006] __fput+0x2f0/0x750 [ 49.740898][ T7006] task_work_run+0x137/0x1c0 [ 49.745460][ T7006] do_exit+0x5f3/0x1f20 [ 49.749589][ T7006] ? trace_lock_release+0x137/0x1a0 [ 49.754757][ T7006] do_group_exit+0x161/0x2d0 [ 49.759318][ T7006] get_signal+0x139b/0x1d30 [ 49.763793][ T7006] ? sco_sock_connect+0x5ae/0xaa0 [ 49.769314][ T7006] arch_do_signal+0x33/0x610 [ 49.773987][ T7006] ? lock_is_held_type+0xb3/0xe0 [ 49.778920][ T7006] ? exit_to_user_mode_prepare+0x3d/0x1c0 [ 49.785138][ T7006] exit_to_user_mode_prepare+0x8d/0x1c0 [ 49.790675][ T7006] syscall_exit_to_user_mode+0x5e/0x1a0 [ 49.796198][ T7006] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.802066][ T7006] RIP: 0033:0x446eb9 [ 49.805938][ T7006] Code: Bad RIP value. [ 49.809974][ T7006] RSP: 002b:00007ffe6f094b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 49.818353][ T7006] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 0000000000446eb9 [ 49.826319][ T7006] RDX: 0000000000000008 RSI: 00000000200000c0 RDI: 0000000000000004 [ 49.834268][ T7006] RBP: 0000000000000004 R08: 0000000000000002 R09: 00000000000300ff [ 49.842338][ T7006] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 [ 49.850282][ T7006] R13: 0000000000407b10 R14: 0000000000000000 R15: 0000000000000000 [ 49.859543][ T7006] Kernel Offset: disabled [ 49.863853][ T7006] Rebooting in 86400 seconds..