INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.4' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 30.687668] F2FS-fs (loop0): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 30.694882] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 30.703560] F2FS-fs (loop0): invalid crc value [ 30.710390] F2FS-fs (loop0): Wrong valid blocks 0 or segno 262144 [ 30.716715] F2FS-fs (loop0): Failed to initialize F2FS segment manager [ 30.724786] F2FS-fs (loop0): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 30.731823] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 30.739907] F2FS-fs (loop0): invalid crc value [ 30.746422] ================================================================== [ 30.753830] BUG: KASAN: use-after-free in build_segment_manager+0xb92d/0xbf70 [ 30.761080] Read of size 4 at addr ffff8801ad235680 by task syzkaller599573/4536 [ 30.768582] [ 30.770190] CPU: 0 PID: 4536 Comm: syzkaller599573 Not tainted 4.17.0-rc1+ #9 [ 30.777435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.786763] Call Trace: [ 30.789330] dump_stack+0x1b9/0x294 [ 30.792937] ? dump_stack_print_info.cold.2+0x52/0x52 [ 30.798108] ? printk+0x9e/0xba [ 30.801368] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 30.806103] ? kasan_check_write+0x14/0x20 [ 30.810319] print_address_description+0x6c/0x20b [ 30.815144] ? build_segment_manager+0xb92d/0xbf70 [ 30.820061] kasan_report.cold.7+0x242/0x2fe [ 30.824461] __asan_report_load4_noabort+0x14/0x20 [ 30.829399] build_segment_manager+0xb92d/0xbf70 [ 30.834144] ? flush_sit_entries+0x2c40/0x2c40 [ 30.838708] ? vprintk_emit+0x3e5/0xdd0 [ 30.842663] ? console_unlock+0x1100/0x1100 [ 30.846965] ? lock_downgrade+0x8e0/0x8e0 [ 30.851095] ? mark_held_locks+0xc9/0x160 [ 30.855220] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 30.859790] ? vprintk_default+0x28/0x30 [ 30.863852] ? vprintk_func+0x81/0xe7 [ 30.867638] ? printk+0x9e/0xba [ 30.870900] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 30.875640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.881159] ? f2fs_msg+0x11e/0x170 [ 30.884765] ? f2fs_quota_read+0x1030/0x1030 [ 30.889154] ? crc32_pclmul_le+0x49/0x120 [ 30.893283] ? __asan_allocas_unpoison+0x16/0x20 [ 30.898016] ? crypto_shash_update+0x10b/0x2a0 [ 30.902580] ? get_checkpoint_version+0x351/0x5d0 [ 30.907405] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 30.912934] ? unlock_page+0x1d0/0x2b0 [ 30.916801] ? wake_up_page_bit+0x580/0x580 [ 30.921104] ? __get_meta_page+0x1380/0x1380 [ 30.925491] ? kernel_text_address+0x79/0xf0 [ 30.929884] ? __kernel_text_address+0xd/0x40 [ 30.934362] ? unwind_get_return_address+0x61/0xa0 [ 30.939277] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 30.944795] ? validate_checkpoint+0x805/0xdf0 [ 30.949356] ? check_noncircular+0x20/0x20 [ 30.953583] ? get_checkpoint_version+0x5d0/0x5d0 [ 30.958415] ? save_stack+0xa9/0xd0 [ 30.962021] ? save_stack+0x43/0xd0 [ 30.965632] ? kasan_kmalloc+0xc4/0xe0 [ 30.969498] ? __kmalloc+0x14e/0x760 [ 30.973193] ? get_valid_checkpoint+0x37f/0x1e90 [ 30.977928] ? f2fs_fill_super+0x318f/0x7bf0 [ 30.982313] ? mount_bdev+0x30c/0x3e0 [ 30.986093] ? f2fs_mount+0x34/0x40 [ 30.989699] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 30.994430] ? do_mount+0x564/0x3070 [ 30.998119] ? ksys_mount+0x12d/0x140 [ 31.001894] ? __x64_sys_mount+0xbe/0x150 [ 31.006024] ? do_syscall_64+0x1b1/0x800 [ 31.010064] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 31.015410] ? print_usage_bug+0xc0/0xc0 [ 31.019450] ? graph_lock+0x170/0x170 [ 31.023230] ? __lock_is_held+0xb5/0x140 [ 31.027273] ? kasan_check_read+0x11/0x20 [ 31.031401] ? do_raw_spin_unlock+0x9e/0x2e0 [ 31.035791] ? __lock_is_held+0xb5/0x140 [ 31.039835] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 31.045352] ? unlock_page+0x1d0/0x2b0 [ 31.049217] ? print_usage_bug+0xc0/0xc0 [ 31.053259] ? wake_up_page_bit+0x580/0x580 [ 31.057568] ? rcu_read_lock_sched_held+0x108/0x120 [ 31.062562] ? __kmalloc+0x5f9/0x760 [ 31.066262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.071788] ? sanity_check_ckpt+0x6e4/0x880 [ 31.076177] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 31.081693] ? get_valid_checkpoint+0xafb/0x1e90 [ 31.086429] ? __lock_acquire+0x7f5/0x5140 [ 31.090643] ? recover_orphan_inodes+0x11b0/0x11b0 [ 31.095555] ? debug_check_no_locks_freed+0x310/0x310 [ 31.100728] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 31.105292] ? kasan_check_read+0x11/0x20 [ 31.109423] ? mark_held_locks+0xc9/0x160 [ 31.113551] ? print_usage_bug+0xc0/0xc0 [ 31.117594] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.122589] ? __lockdep_init_map+0x105/0x590 [ 31.127061] ? lockdep_init_map+0x9/0x10 [ 31.131103] ? __mutex_init+0x1ef/0x280 [ 31.135055] ? print_usage_bug+0xc0/0xc0 [ 31.139092] ? mark_held_locks+0xc9/0x160 [ 31.143217] ? __raw_spin_lock_init+0x1c/0x100 [ 31.147776] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.152768] ? __lockdep_init_map+0x105/0x590 [ 31.157243] ? lockdep_init_map+0x9/0x10 [ 31.161283] ? mark_held_locks+0xc9/0x160 [ 31.165407] ? f2fs_update_extent_cache_range+0x1d0/0x1d0 [ 31.170928] ? __raw_spin_lock_init+0x1c/0x100 [ 31.175486] ? __lockdep_init_map+0x105/0x590 [ 31.179965] ? lockdep_init_map+0x9/0x10 [ 31.184004] ? __raw_spin_lock_init+0x2d/0x100 [ 31.188568] f2fs_fill_super+0x4095/0x7bf0 [ 31.192794] ? f2fs_commit_super+0x400/0x400 [ 31.197181] ? lock_downgrade+0x8e0/0x8e0 [ 31.201309] ? lock_release+0xa10/0xa10 [ 31.205262] ? check_same_owner+0x320/0x320 [ 31.209572] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 31.214566] ? widen_string+0xd8/0x2d0 [ 31.218434] ? rcu_note_context_switch+0x710/0x710 [ 31.223349] ? format_decode+0xae0/0xae0 [ 31.227393] ? graph_lock+0x170/0x170 [ 31.231177] ? widen_string+0x2d0/0x2d0 [ 31.235132] ? sget_userns+0x2dd/0xf20 [ 31.238999] ? find_held_lock+0x13f/0x1c0 [ 31.243127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.248655] ? bdev_name.isra.7+0x1a1/0x1f0 [ 31.252956] ? pointer+0x1b0/0xa20 [ 31.256473] ? netdev_bits+0xb0/0xb0 [ 31.260165] ? format_decode+0x1a9/0xae0 [ 31.264204] ? set_precision+0xe0/0xe0 [ 31.268075] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 31.273246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.278760] ? vsnprintf+0x242/0x1b40 [ 31.282541] ? pointer+0xa20/0xa20 [ 31.286064] ? snprintf+0xa5/0xd0 [ 31.289500] ? vsprintf+0x40/0x40 [ 31.292932] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 31.297924] ? set_blocksize+0x2c4/0x350 [ 31.301977] mount_bdev+0x30c/0x3e0 [ 31.305581] ? f2fs_commit_super+0x400/0x400 [ 31.309965] ? mount_bdev+0x30c/0x3e0 [ 31.313744] ? f2fs_commit_super+0x400/0x400 [ 31.318130] f2fs_mount+0x34/0x40 [ 31.321567] mount_fs+0xae/0x328 [ 31.324914] vfs_kern_mount.part.34+0xd4/0x4d0 [ 31.329474] ? may_umount+0xb0/0xb0 [ 31.333085] ? _raw_read_unlock+0x22/0x30 [ 31.337216] ? __get_fs_type+0x97/0xc0 [ 31.341085] do_mount+0x564/0x3070 [ 31.344608] ? copy_mount_string+0x40/0x40 [ 31.348821] ? rcu_pm_notify+0xc0/0xc0 [ 31.352698] ? copy_mount_options+0x5f/0x380 [ 31.357083] ? rcu_read_lock_sched_held+0x108/0x120 [ 31.362079] ? kmem_cache_alloc_trace+0x616/0x780 [ 31.366902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.372418] ? copy_mount_options+0x285/0x380 [ 31.376894] ksys_mount+0x12d/0x140 [ 31.380502] __x64_sys_mount+0xbe/0x150 [ 31.384454] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.389449] do_syscall_64+0x1b1/0x800 [ 31.393314] ? syscall_return_slowpath+0x5c0/0x5c0 [ 31.398222] ? syscall_return_slowpath+0x30f/0x5c0 [ 31.403131] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 31.408472] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.413301] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 31.418466] RIP: 0033:0x443c8a [ 31.421636] RSP: 002b:00007ffe7f7711a8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 31.429321] RAX: ffffffffffffffda RBX: 0000000020000b70 RCX: 0000000000443c8a [ 31.436569] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffe7f7711b0 [ 31.443813] RBP: 0000000000000003 R08: 0000000020000fc0 R09: 000000000000000a [ 31.451058] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000004 [ 31.458305] R13: 0000000000402b80 R14: 0000000000000000 R15: 0000000000000000 [ 31.465556] [ 31.467159] The buggy address belongs to the page: [ 31.472064] page:ffffea0006b48d40 count:0 mapcount:0 mapping:0000000000000000 index:0x0 [ 31.480180] flags: 0x2fffc0000000000() [ 31.484044] raw: 02fffc0000000000 0000000000000000 0000000000000000 00000000ffffffff [ 31.491902] raw: 0000000000000000 ffffea0006b40101 0000000000000000 0000000000000000 [ 31.499762] page dumped because: kasan: bad access detected [ 31.505536] [ 31.507137] Memory state around the buggy address: [ 31.512039] ffff8801ad235580: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 31.519544] ffff8801ad235600: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 31.526880] >ffff8801ad235680: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 31.534213] ^ [ 31.537555] ffff8801ad235700: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 31.544890] ffff8801ad235780: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 31.552220] ================================================================== [ 31.559550] Disabling lock debugging due to kernel taint [ 31.565076] Kernel panic - not syncing: panic_on_warn set ... [ 31.565076] [ 31.572421] CPU: 0 PID: 4536 Comm: syzkaller599573 Tainted: G B 4.17.0-rc1+ #9 [ 31.581059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.590387] Call Trace: [ 31.592953] dump_stack+0x1b9/0x294 [ 31.596559] ? dump_stack_print_info.cold.2+0x52/0x52 [ 31.601725] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.606459] ? build_segment_manager+0xb850/0xbf70 [ 31.611399] panic+0x22f/0x4de [ 31.614574] ? add_taint.cold.5+0x16/0x16 [ 31.618700] ? do_raw_spin_unlock+0x9e/0x2e0 [ 31.623087] ? do_raw_spin_unlock+0x9e/0x2e0 [ 31.627475] ? build_segment_manager+0xb92d/0xbf70 [ 31.632386] kasan_end_report+0x47/0x4f [ 31.636349] kasan_report.cold.7+0x76/0x2fe [ 31.640649] __asan_report_load4_noabort+0x14/0x20 [ 31.645552] build_segment_manager+0xb92d/0xbf70 [ 31.650291] ? flush_sit_entries+0x2c40/0x2c40 [ 31.654850] ? vprintk_emit+0x3e5/0xdd0 [ 31.659271] ? console_unlock+0x1100/0x1100 [ 31.663569] ? lock_downgrade+0x8e0/0x8e0 [ 31.667694] ? mark_held_locks+0xc9/0x160 [ 31.671816] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 31.676375] ? vprintk_default+0x28/0x30 [ 31.680423] ? vprintk_func+0x81/0xe7 [ 31.684199] ? printk+0x9e/0xba [ 31.687455] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 31.692191] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.697705] ? f2fs_msg+0x11e/0x170 [ 31.701308] ? f2fs_quota_read+0x1030/0x1030 [ 31.705692] ? crc32_pclmul_le+0x49/0x120 [ 31.709818] ? __asan_allocas_unpoison+0x16/0x20 [ 31.714551] ? crypto_shash_update+0x10b/0x2a0 [ 31.719114] ? get_checkpoint_version+0x351/0x5d0 [ 31.723946] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 31.729466] ? unlock_page+0x1d0/0x2b0 [ 31.733330] ? wake_up_page_bit+0x580/0x580 [ 31.737632] ? __get_meta_page+0x1380/0x1380 [ 31.742016] ? kernel_text_address+0x79/0xf0 [ 31.746398] ? __kernel_text_address+0xd/0x40 [ 31.750871] ? unwind_get_return_address+0x61/0xa0 [ 31.755779] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 31.761290] ? validate_checkpoint+0x805/0xdf0 [ 31.765847] ? check_noncircular+0x20/0x20 [ 31.770056] ? get_checkpoint_version+0x5d0/0x5d0 [ 31.774876] ? save_stack+0xa9/0xd0 [ 31.778481] ? save_stack+0x43/0xd0 [ 31.782080] ? kasan_kmalloc+0xc4/0xe0 [ 31.785952] ? __kmalloc+0x14e/0x760 [ 31.789643] ? get_valid_checkpoint+0x37f/0x1e90 [ 31.794374] ? f2fs_fill_super+0x318f/0x7bf0 [ 31.798758] ? mount_bdev+0x30c/0x3e0 [ 31.802535] ? f2fs_mount+0x34/0x40 [ 31.806137] ? vfs_kern_mount.part.34+0xd4/0x4d0 [ 31.810865] ? do_mount+0x564/0x3070 [ 31.814556] ? ksys_mount+0x12d/0x140 [ 31.818330] ? __x64_sys_mount+0xbe/0x150 [ 31.822458] ? do_syscall_64+0x1b1/0x800 [ 31.826498] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 31.831839] ? print_usage_bug+0xc0/0xc0 [ 31.835875] ? graph_lock+0x170/0x170 [ 31.839649] ? __lock_is_held+0xb5/0x140 [ 31.843687] ? kasan_check_read+0x11/0x20 [ 31.847811] ? do_raw_spin_unlock+0x9e/0x2e0 [ 31.852196] ? __lock_is_held+0xb5/0x140 [ 31.856237] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 31.861757] ? unlock_page+0x1d0/0x2b0 [ 31.865625] ? print_usage_bug+0xc0/0xc0 [ 31.869663] ? wake_up_page_bit+0x580/0x580 [ 31.873961] ? rcu_read_lock_sched_held+0x108/0x120 [ 31.878954] ? __kmalloc+0x5f9/0x760 [ 31.882647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.888159] ? sanity_check_ckpt+0x6e4/0x880 [ 31.892548] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 31.898065] ? get_valid_checkpoint+0xafb/0x1e90 [ 31.902801] ? __lock_acquire+0x7f5/0x5140 [ 31.907015] ? recover_orphan_inodes+0x11b0/0x11b0 [ 31.911926] ? debug_check_no_locks_freed+0x310/0x310 [ 31.917092] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 31.921654] ? kasan_check_read+0x11/0x20 [ 31.925782] ? mark_held_locks+0xc9/0x160 [ 31.929911] ? print_usage_bug+0xc0/0xc0 [ 31.933954] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.938959] ? __lockdep_init_map+0x105/0x590 [ 31.943432] ? lockdep_init_map+0x9/0x10 [ 31.947473] ? __mutex_init+0x1ef/0x280 [ 31.951423] ? print_usage_bug+0xc0/0xc0 [ 31.955459] ? mark_held_locks+0xc9/0x160 [ 31.959585] ? __raw_spin_lock_init+0x1c/0x100 [ 31.964141] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.969139] ? __lockdep_init_map+0x105/0x590 [ 31.973608] ? lockdep_init_map+0x9/0x10 [ 31.977646] ? mark_held_locks+0xc9/0x160 [ 31.981772] ? f2fs_update_extent_cache_range+0x1d0/0x1d0 [ 31.987286] ? __raw_spin_lock_init+0x1c/0x100 [ 31.991841] ? __lockdep_init_map+0x105/0x590 [ 31.996310] ? lockdep_init_map+0x9/0x10 [ 32.000345] ? __raw_spin_lock_init+0x2d/0x100 [ 32.004913] f2fs_fill_super+0x4095/0x7bf0 [ 32.009131] ? f2fs_commit_super+0x400/0x400 [ 32.013516] ? lock_downgrade+0x8e0/0x8e0 [ 32.017640] ? lock_release+0xa10/0xa10 [ 32.021772] ? check_same_owner+0x320/0x320 [ 32.026072] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 32.031065] ? widen_string+0xd8/0x2d0 [ 32.034930] ? rcu_note_context_switch+0x710/0x710 [ 32.039836] ? format_decode+0xae0/0xae0 [ 32.043873] ? graph_lock+0x170/0x170 [ 32.047650] ? widen_string+0x2d0/0x2d0 [ 32.051608] ? sget_userns+0x2dd/0xf20 [ 32.055469] ? find_held_lock+0x13f/0x1c0 [ 32.059594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.065109] ? bdev_name.isra.7+0x1a1/0x1f0 [ 32.069404] ? pointer+0x1b0/0xa20 [ 32.072920] ? netdev_bits+0xb0/0xb0 [ 32.076614] ? format_decode+0x1a9/0xae0 [ 32.080650] ? set_precision+0xe0/0xe0 [ 32.084514] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 32.089693] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 32.095211] ? vsnprintf+0x242/0x1b40 [ 32.098994] ? pointer+0xa20/0xa20 [ 32.102513] ? snprintf+0xa5/0xd0 [ 32.105941] ? vsprintf+0x40/0x40 [ 32.109369] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 32.114361] ? set_blocksize+0x2c4/0x350 [ 32.118400] mount_bdev+0x30c/0x3e0 [ 32.122003] ? f2fs_commit_super+0x400/0x400 [ 32.126386] ? mount_bdev+0x30c/0x3e0 [ 32.130161] ? f2fs_commit_super+0x400/0x400 [ 32.134544] f2fs_mount+0x34/0x40 [ 32.137973] mount_fs+0xae/0x328 [ 32.141318] vfs_kern_mount.part.34+0xd4/0x4d0 [ 32.145876] ? may_umount+0xb0/0xb0 [ 32.149482] ? _raw_read_unlock+0x22/0x30 [ 32.153607] ? __get_fs_type+0x97/0xc0 [ 32.157472] do_mount+0x564/0x3070 [ 32.160988] ? copy_mount_string+0x40/0x40 [ 32.165200] ? rcu_pm_notify+0xc0/0xc0 [ 32.169065] ? copy_mount_options+0x5f/0x380 [ 32.173451] ? rcu_read_lock_sched_held+0x108/0x120 [ 32.178446] ? kmem_cache_alloc_trace+0x616/0x780 [ 32.183267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 32.188781] ? copy_mount_options+0x285/0x380 [ 32.193251] ksys_mount+0x12d/0x140 [ 32.196851] __x64_sys_mount+0xbe/0x150 [ 32.200812] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.205805] do_syscall_64+0x1b1/0x800 [ 32.209668] ? syscall_return_slowpath+0x5c0/0x5c0 [ 32.214579] ? syscall_return_slowpath+0x30f/0x5c0 [ 32.219490] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 32.224837] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.229657] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 32.234822] RIP: 0033:0x443c8a [ 32.237986] RSP: 002b:00007ffe7f7711a8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 32.245668] RAX: ffffffffffffffda RBX: 0000000020000b70 RCX: 0000000000443c8a [ 32.252923] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffe7f7711b0 [ 32.260169] RBP: 0000000000000003 R08: 0000000020000fc0 R09: 000000000000000a [ 32.267418] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000004 [ 32.274663] R13: 0000000000402b80 R14: 0000000000000000 R15: 0000000000000000 [ 32.282296] Dumping ftrace buffer: [ 32.285808] (ftrace buffer empty) [ 32.289494] Kernel Offset: disabled [ 32.293096] Rebooting in 86400 seconds..