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 '10.128.0.59' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.369667] F2FS-fs (loop0): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 28.376847] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 28.386812] F2FS-fs (loop0): invalid crc value [ 28.393730] ================================================================== [ 28.401618] BUG: KASAN: use-after-free in build_segment_manager+0xb92d/0xbf70 [ 28.408971] Read of size 4 at addr ffff8801d8dc2740 by task syzkaller723534/4535 [ 28.416493] [ 28.418114] CPU: 1 PID: 4535 Comm: syzkaller723534 Not tainted 4.17.0-rc1+ #8 [ 28.425376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.434719] Call Trace: [ 28.437316] dump_stack+0x1b9/0x294 [ 28.440953] ? dump_stack_print_info.cold.2+0x52/0x52 [ 28.446187] ? printk+0x9e/0xba [ 28.449472] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 28.454229] ? kasan_check_write+0x14/0x20 [ 28.458457] print_address_description+0x6c/0x20b [ 28.463299] ? build_segment_manager+0xb92d/0xbf70 [ 28.468239] kasan_report.cold.7+0x242/0x2fe [ 28.472638] __asan_report_load4_noabort+0x14/0x20 [ 28.477555] build_segment_manager+0xb92d/0xbf70 [ 28.482327] ? flush_sit_entries+0x2c40/0x2c40 [ 28.486909] ? vprintk_emit+0x3e5/0xdd0 [ 28.490884] ? console_unlock+0x1100/0x1100 [ 28.495202] ? lock_downgrade+0x8e0/0x8e0 [ 28.499340] ? mark_held_locks+0xc9/0x160 [ 28.503472] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 28.508130] ? vprintk_default+0x28/0x30 [ 28.512182] ? vprintk_func+0x81/0xe7 [ 28.515991] ? printk+0x9e/0xba [ 28.519261] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 28.524022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 28.529560] ? f2fs_msg+0x11e/0x170 [ 28.533205] ? f2fs_quota_read+0x1030/0x1030 [ 28.537616] ? crc32_pclmul_le+0x49/0x120 [ 28.541886] ? __asan_allocas_unpoison+0x16/0x20 [ 28.546644] ? crypto_shash_update+0x10b/0x2a0 [ 28.551224] ? get_checkpoint_version+0x351/0x5d0 [ 28.556073] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 28.561882] ? unlock_page+0x1d0/0x2b0 [ 28.565772] ? wake_up_page_bit+0x580/0x580 [ 28.570091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 28.575623] ? bpf_prog_kallsyms_find+0xd6/0x4a0 [ 28.580380] ? modules_open+0xa0/0xa0 [ 28.584190] ? __bpf_trace_bpf_map_next_key+0x40/0x40 [ 28.589394] ? lock_downgrade+0x8e0/0x8e0 [ 28.593532] ? noop_count+0x40/0x40 [ 28.597165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 28.602702] ? bpf_prog_kallsyms_find+0xd6/0x4a0 [ 28.607474] ? modules_open+0xa0/0xa0 [ 28.611275] ? __bpf_trace_bpf_map_next_key+0x40/0x40 [ 28.616472] ? kernel_text_address+0x79/0xf0 [ 28.620876] ? is_bpf_text_address+0xae/0x170 [ 28.625380] ? lock_downgrade+0x8e0/0x8e0 [ 28.629518] ? lock_release+0xa10/0xa10 [ 28.633490] ? kasan_check_read+0x11/0x20 [ 28.637621] ? rcu_is_watching+0x85/0x140 [ 28.641759] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 28.646938] ? is_bpf_text_address+0xd7/0x170 [ 28.651425] ? kernel_text_address+0x79/0xf0 [ 28.655822] ? __unwind_start+0x166/0x330 [ 28.659951] ? __kernel_text_address+0xd/0x40 [ 28.664438] ? unwind_get_return_address+0x61/0xa0 [ 28.669410] ? __save_stack_trace+0x7e/0xd0 [ 28.673713] ? add_lock_to_list.isra.29+0x1e4/0x490 [ 28.678710] ? trace_hardirqs_off+0x10/0x10 [ 28.683035] ? save_stack_trace+0x1a/0x20 [ 28.687161] ? save_trace+0xe0/0x290 [ 28.690863] ? kasan_check_read+0x11/0x20 [ 28.694989] ? __lock_acquire+0x28fb/0x5140 [ 28.699485] ? debug_check_no_locks_freed+0x310/0x310 [ 28.704665] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 28.709234] ? kasan_check_read+0x11/0x20 [ 28.713369] ? mark_held_locks+0xc9/0x160 [ 28.717494] ? print_usage_bug+0xc0/0xc0 [ 28.721533] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.726527] ? __lockdep_init_map+0x105/0x590 [ 28.731000] ? lockdep_init_map+0x9/0x10 [ 28.735055] ? __mutex_init+0x1ef/0x280 [ 28.739018] ? print_usage_bug+0xc0/0xc0 [ 28.743059] ? mark_held_locks+0xc9/0x160 [ 28.747282] ? __raw_spin_lock_init+0x1c/0x100 [ 28.751875] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.756888] ? __lockdep_init_map+0x105/0x590 [ 28.761366] ? lockdep_init_map+0x9/0x10 [ 28.765419] ? mark_held_locks+0xc9/0x160 [ 28.769552] ? f2fs_update_extent_cache_range+0x1d0/0x1d0 [ 28.775071] ? __raw_spin_lock_init+0x1c/0x100 [ 28.779649] ? __lockdep_init_map+0x105/0x590 [ 28.784139] ? lockdep_init_map+0x9/0x10 [ 28.788193] ? __raw_spin_lock_init+0x2d/0x100 [ 28.792779] f2fs_fill_super+0x4095/0x7bf0 [ 28.797023] ? f2fs_commit_super+0x400/0x400 [ 28.801413] ? lock_downgrade+0x8e0/0x8e0 [ 28.805543] ? lock_release+0xa10/0xa10 [ 28.809508] ? check_same_owner+0x320/0x320 [ 28.813814] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 28.818810] ? widen_string+0xd8/0x2d0 [ 28.822684] ? rcu_note_context_switch+0x710/0x710 [ 28.827592] ? format_decode+0xae0/0xae0 [ 28.831631] ? graph_lock+0x170/0x170 [ 28.835415] ? widen_string+0x2d0/0x2d0 [ 28.839377] ? sget_userns+0x2dd/0xf20 [ 28.843251] ? find_held_lock+0x13f/0x1c0 [ 28.847382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 28.852898] ? bdev_name.isra.7+0x1a1/0x1f0 [ 28.857213] ? pointer+0x1b0/0xa20 [ 28.860746] ? netdev_bits+0xb0/0xb0 [ 28.864439] ? format_decode+0x1a9/0xae0 [ 28.868568] ? set_precision+0xe0/0xe0 [ 28.872437] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 28.877613] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 28.883130] ? vsnprintf+0x242/0x1b40 [ 28.886912] ? pointer+0xa20/0xa20 [ 28.890434] ? snprintf+0xa5/0xd0 [ 28.893955] ? vsprintf+0x40/0x40 [ 28.897407] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 28.902498] ? set_blocksize+0x2c4/0x350 [ 28.906549] mount_bdev+0x30c/0x3e0 [ 28.910157] ? f2fs_commit_super+0x400/0x400 [ 28.914540] ? mount_bdev+0x30c/0x3e0 [ 28.918336] ? f2fs_commit_super+0x400/0x400 [ 28.922725] f2fs_mount+0x34/0x40 [ 28.926165] mount_fs+0xae/0x328 [ 28.929512] vfs_kern_mount.part.34+0xd4/0x4d0 [ 28.934076] ? may_umount+0xb0/0xb0 [ 28.937687] ? _raw_read_unlock+0x22/0x30 [ 28.941816] ? __get_fs_type+0x97/0xc0 [ 28.945683] do_mount+0x564/0x3070 [ 28.949205] ? copy_mount_string+0x40/0x40 [ 28.953422] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.958418] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 28.963157] ? retint_kernel+0x10/0x10 [ 28.967035] ? copy_mount_options+0x1e3/0x380 [ 28.971508] ? copy_mount_options+0x1f0/0x380 [ 28.975996] ? copy_mount_options+0x202/0x380 [ 28.980470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 28.985987] ? copy_mount_options+0x285/0x380 [ 28.990462] ksys_mount+0x12d/0x140 [ 28.994069] __x64_sys_mount+0xbe/0x150 [ 28.998024] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.003020] do_syscall_64+0x1b1/0x800 [ 29.006884] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 29.011703] ? syscall_return_slowpath+0x5c0/0x5c0 [ 29.016609] ? syscall_return_slowpath+0x30f/0x5c0 [ 29.021517] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 29.026861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.031686] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 29.037112] RIP: 0033:0x443daa [ 29.040454] RSP: 002b:00007ffc697a8218 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 29.048487] RAX: ffffffffffffffda RBX: 0000000020000c00 RCX: 0000000000443daa [ 29.055734] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffc697a8220 [ 29.062986] RBP: 0000000000000003 R08: 0000000020016a00 R09: 000000000000000a [ 29.070240] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000004 [ 29.077488] R13: 0000000000402ca0 R14: 0000000000000000 R15: 0000000000000000 [ 29.084744] [ 29.086351] Allocated by task 2838: [ 29.089960] save_stack+0x43/0xd0 [ 29.093394] kasan_kmalloc+0xc4/0xe0 [ 29.097085] __kmalloc_node+0x47/0x70 [ 29.100862] kvmalloc_node+0x6b/0x100 [ 29.104642] seq_read+0xa33/0x1520 [ 29.108160] __vfs_read+0x10f/0xa50 [ 29.111758] vfs_read+0x17f/0x3d0 [ 29.115185] ksys_read+0xf9/0x250 [ 29.118618] __x64_sys_read+0x73/0xb0 [ 29.122393] do_syscall_64+0x1b1/0x800 [ 29.126260] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 29.131595] [ 29.133200] Freed by task 2838: [ 29.136453] save_stack+0x43/0xd0 [ 29.139891] __kasan_slab_free+0x11a/0x170 [ 29.144102] kasan_slab_free+0xe/0x10 [ 29.147900] kfree+0xd9/0x260 [ 29.150987] kvfree+0x61/0x70 [ 29.154080] single_release+0x78/0xb0 [ 29.157874] __fput+0x34d/0x890 [ 29.161136] ____fput+0x15/0x20 [ 29.164393] task_work_run+0x1e4/0x290 [ 29.168275] exit_to_usermode_loop+0x2bd/0x310 [ 29.172844] do_syscall_64+0x6ac/0x800 [ 29.176709] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 29.181871] [ 29.183476] The buggy address belongs to the object at ffff8801d8dc23c0 [ 29.183476] which belongs to the cache kmalloc-4096 of size 4096 [ 29.196640] The buggy address is located 896 bytes inside of [ 29.196640] 4096-byte region [ffff8801d8dc23c0, ffff8801d8dc33c0) [ 29.208575] The buggy address belongs to the page: [ 29.213483] page:ffffea0007637080 count:1 mapcount:0 mapping:ffff8801d8dc23c0 index:0x0 compound_mapcount: 0 [ 29.223427] flags: 0x2fffc0000008100(slab|head) [ 29.228076] raw: 02fffc0000008100 ffff8801d8dc23c0 0000000000000000 0000000100000001 [ 29.235937] raw: ffffea0007637020 ffffea000763a120 ffff8801da800dc0 0000000000000000 [ 29.243796] page dumped because: kasan: bad access detected [ 29.249476] [ 29.251076] Memory state around the buggy address: [ 29.255981] ffff8801d8dc2600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.263326] ffff8801d8dc2680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.270666] >ffff8801d8dc2700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.278005] ^ [ 29.283443] ffff8801d8dc2780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.290797] ffff8801d8dc2800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.298130] ================================================================== [ 29.305462] Disabling lock debugging due to kernel taint [ 29.310982] Kernel panic - not syncing: panic_on_warn set ... [ 29.310982] [ 29.318337] CPU: 1 PID: 4535 Comm: syzkaller723534 Tainted: G B 4.17.0-rc1+ #8 [ 29.326978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.336311] Call Trace: [ 29.338882] dump_stack+0x1b9/0x294 [ 29.342488] ? dump_stack_print_info.cold.2+0x52/0x52 [ 29.347934] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.352689] ? build_segment_manager+0xb870/0xbf70 [ 29.357599] panic+0x22f/0x4de [ 29.360785] ? add_taint.cold.5+0x16/0x16 [ 29.364914] ? do_raw_spin_unlock+0x9e/0x2e0 [ 29.369315] ? do_raw_spin_unlock+0x9e/0x2e0 [ 29.373702] ? build_segment_manager+0xb92d/0xbf70 [ 29.378618] kasan_end_report+0x47/0x4f [ 29.382577] kasan_report.cold.7+0x76/0x2fe [ 29.386888] __asan_report_load4_noabort+0x14/0x20 [ 29.391794] build_segment_manager+0xb92d/0xbf70 [ 29.396530] ? flush_sit_entries+0x2c40/0x2c40 [ 29.401090] ? vprintk_emit+0x3e5/0xdd0 [ 29.405651] ? console_unlock+0x1100/0x1100 [ 29.409981] ? lock_downgrade+0x8e0/0x8e0 [ 29.414109] ? mark_held_locks+0xc9/0x160 [ 29.418237] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 29.422799] ? vprintk_default+0x28/0x30 [ 29.426839] ? vprintk_func+0x81/0xe7 [ 29.430614] ? printk+0x9e/0xba [ 29.433872] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 29.438607] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 29.444121] ? f2fs_msg+0x11e/0x170 [ 29.447725] ? f2fs_quota_read+0x1030/0x1030 [ 29.452112] ? crc32_pclmul_le+0x49/0x120 [ 29.456242] ? __asan_allocas_unpoison+0x16/0x20 [ 29.460978] ? crypto_shash_update+0x10b/0x2a0 [ 29.465537] ? get_checkpoint_version+0x351/0x5d0 [ 29.470362] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 29.476236] ? unlock_page+0x1d0/0x2b0 [ 29.480101] ? wake_up_page_bit+0x580/0x580 [ 29.484404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.489924] ? bpf_prog_kallsyms_find+0xd6/0x4a0 [ 29.494661] ? modules_open+0xa0/0xa0 [ 29.498440] ? __bpf_trace_bpf_map_next_key+0x40/0x40 [ 29.503609] ? lock_downgrade+0x8e0/0x8e0 [ 29.507733] ? noop_count+0x40/0x40 [ 29.511346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.516858] ? bpf_prog_kallsyms_find+0xd6/0x4a0 [ 29.521592] ? modules_open+0xa0/0xa0 [ 29.525370] ? __bpf_trace_bpf_map_next_key+0x40/0x40 [ 29.530548] ? kernel_text_address+0x79/0xf0 [ 29.534930] ? is_bpf_text_address+0xae/0x170 [ 29.539404] ? lock_downgrade+0x8e0/0x8e0 [ 29.543527] ? lock_release+0xa10/0xa10 [ 29.547477] ? kasan_check_read+0x11/0x20 [ 29.551602] ? rcu_is_watching+0x85/0x140 [ 29.555739] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 29.560920] ? is_bpf_text_address+0xd7/0x170 [ 29.565395] ? kernel_text_address+0x79/0xf0 [ 29.569782] ? __unwind_start+0x166/0x330 [ 29.573907] ? __kernel_text_address+0xd/0x40 [ 29.578378] ? unwind_get_return_address+0x61/0xa0 [ 29.583282] ? __save_stack_trace+0x7e/0xd0 [ 29.587583] ? add_lock_to_list.isra.29+0x1e4/0x490 [ 29.592577] ? trace_hardirqs_off+0x10/0x10 [ 29.596875] ? save_stack_trace+0x1a/0x20 [ 29.601007] ? save_trace+0xe0/0x290 [ 29.604699] ? kasan_check_read+0x11/0x20 [ 29.608825] ? __lock_acquire+0x28fb/0x5140 [ 29.613125] ? debug_check_no_locks_freed+0x310/0x310 [ 29.618291] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 29.622871] ? kasan_check_read+0x11/0x20 [ 29.626997] ? mark_held_locks+0xc9/0x160 [ 29.631129] ? print_usage_bug+0xc0/0xc0 [ 29.635170] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.640162] ? __lockdep_init_map+0x105/0x590 [ 29.644631] ? lockdep_init_map+0x9/0x10 [ 29.648668] ? __mutex_init+0x1ef/0x280 [ 29.652617] ? print_usage_bug+0xc0/0xc0 [ 29.656652] ? mark_held_locks+0xc9/0x160 [ 29.660774] ? __raw_spin_lock_init+0x1c/0x100 [ 29.665330] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.670321] ? __lockdep_init_map+0x105/0x590 [ 29.674790] ? lockdep_init_map+0x9/0x10 [ 29.678826] ? mark_held_locks+0xc9/0x160 [ 29.682953] ? f2fs_update_extent_cache_range+0x1d0/0x1d0 [ 29.688468] ? __raw_spin_lock_init+0x1c/0x100 [ 29.693029] ? __lockdep_init_map+0x105/0x590 [ 29.697499] ? lockdep_init_map+0x9/0x10 [ 29.701536] ? __raw_spin_lock_init+0x2d/0x100 [ 29.706104] f2fs_fill_super+0x4095/0x7bf0 [ 29.710322] ? f2fs_commit_super+0x400/0x400 [ 29.714707] ? lock_downgrade+0x8e0/0x8e0 [ 29.718843] ? lock_release+0xa10/0xa10 [ 29.722793] ? check_same_owner+0x320/0x320 [ 29.727251] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 29.732250] ? widen_string+0xd8/0x2d0 [ 29.736129] ? rcu_note_context_switch+0x710/0x710 [ 29.741035] ? format_decode+0xae0/0xae0 [ 29.745073] ? graph_lock+0x170/0x170 [ 29.748854] ? widen_string+0x2d0/0x2d0 [ 29.752803] ? sget_userns+0x2dd/0xf20 [ 29.756666] ? find_held_lock+0x13f/0x1c0 [ 29.760794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.766315] ? bdev_name.isra.7+0x1a1/0x1f0 [ 29.770643] ? pointer+0x1b0/0xa20 [ 29.774158] ? netdev_bits+0xb0/0xb0 [ 29.777848] ? format_decode+0x1a9/0xae0 [ 29.781888] ? set_precision+0xe0/0xe0 [ 29.785755] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 29.790924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 29.796439] ? vsnprintf+0x242/0x1b40 [ 29.800218] ? pointer+0xa20/0xa20 [ 29.803738] ? snprintf+0xa5/0xd0 [ 29.807168] ? vsprintf+0x40/0x40 [ 29.810598] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 29.815592] ? set_blocksize+0x2c4/0x350 [ 29.819630] mount_bdev+0x30c/0x3e0 [ 29.823428] ? f2fs_commit_super+0x400/0x400 [ 29.827823] ? mount_bdev+0x30c/0x3e0 [ 29.831598] ? f2fs_commit_super+0x400/0x400 [ 29.835995] f2fs_mount+0x34/0x40 [ 29.839435] mount_fs+0xae/0x328 [ 29.842782] vfs_kern_mount.part.34+0xd4/0x4d0 [ 29.847338] ? may_umount+0xb0/0xb0 [ 29.850941] ? _raw_read_unlock+0x22/0x30 [ 29.855063] ? __get_fs_type+0x97/0xc0 [ 29.858928] do_mount+0x564/0x3070 [ 29.862453] ? copy_mount_string+0x40/0x40 [ 29.866666] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.872706] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.877439] ? retint_kernel+0x10/0x10 [ 29.881303] ? copy_mount_options+0x1e3/0x380 [ 29.885774] ? copy_mount_options+0x1f0/0x380 [ 29.890246] ? copy_mount_options+0x202/0x380 [ 29.894725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.900240] ? copy_mount_options+0x285/0x380 [ 29.904712] ksys_mount+0x12d/0x140 [ 29.908319] __x64_sys_mount+0xbe/0x150 [ 29.912281] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.917278] do_syscall_64+0x1b1/0x800 [ 29.921142] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 29.925963] ? syscall_return_slowpath+0x5c0/0x5c0 [ 29.930869] ? syscall_return_slowpath+0x30f/0x5c0 [ 29.935775] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 29.941116] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.945933] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 29.951098] RIP: 0033:0x443daa [ 29.954287] RSP: 002b:00007ffc697a8218 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 29.961970] RAX: ffffffffffffffda RBX: 0000000020000c00 RCX: 0000000000443daa [ 29.969214] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffc697a8220 [ 29.976465] RBP: 0000000000000003 R08: 0000000020016a00 R09: 000000000000000a [ 29.983709] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000004 [ 29.990961] R13: 0000000000402ca0 R14: 0000000000000000 R15: 0000000000000000 [ 29.998760] Dumping ftrace buffer: [ 30.002273] (ftrace buffer empty) [ 30.005965] Kernel Offset: disabled [ 30.009579] Rebooting in 86400 seconds..