Warning: Permanently added '10.128.0.127' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 71.489897][ C1] hrtimer: interrupt took 699688 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 76.751392][ T56] ================================================================== [ 76.759523][ T56] BUG: KASAN: stack-out-of-bounds in hash+0x3cc/0xab0 [ 76.766384][ T56] Read of size 4 at addr ffffc90001576bc0 by task kworker/u4:4/56 [ 76.774217][ T56] [ 76.776555][ T56] CPU: 1 PID: 56 Comm: kworker/u4:4 Not tainted 6.1.83-syzkaller #0 [ 76.784537][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 76.794844][ T56] Workqueue: writeback wb_workfn (flush-8:0) [ 76.800897][ T56] Call Trace: [ 76.804183][ T56] [ 76.807109][ T56] dump_stack_lvl+0x1e3/0x2cb [ 76.811834][ T56] ? nf_tcp_handle_invalid+0x642/0x642 [ 76.817286][ T56] ? panic+0x75d/0x75d [ 76.821355][ T56] ? _printk+0xd1/0x111 [ 76.825512][ T56] ? _raw_spin_lock_irqsave+0xac/0x120 [ 76.831050][ T56] print_report+0x15f/0x4f0 [ 76.835556][ T56] ? __virt_addr_valid+0xb9/0x520 [ 76.840609][ T56] ? hash+0x3cc/0xab0 [ 76.844599][ T56] kasan_report+0x136/0x160 [ 76.849091][ T56] ? hash+0x3cc/0xab0 [ 76.853096][ T56] hash+0x3cc/0xab0 [ 76.856946][ T56] bloom_map_peek_elem+0xb1/0x1b0 [ 76.861995][ T56] ? bpf_trace_run8+0x1fc/0x4e0 [ 76.866862][ T56] bpf_prog_00798911c748094f+0x3a/0x3e [ 76.872339][ T56] bpf_trace_run8+0x2e5/0x4e0 [ 76.877019][ T56] ? bpf_trace_run7+0x4c0/0x4c0 [ 76.881906][ T56] __bpf_trace_jbd2_handle_stats+0x43/0x60 [ 76.887729][ T56] ? __bpf_trace_jbd2_handle_extend+0x50/0x50 [ 76.893811][ T56] __traceiter_jbd2_handle_stats+0x9c/0xf0 [ 76.899712][ T56] jbd2_journal_stop+0xd5a/0xdf0 [ 76.905187][ T56] ? jbd2_journal_start_reserved+0x300/0x300 [ 76.911168][ T56] ? __up_read+0x690/0x690 [ 76.915597][ T56] ? mlock_page_drain_local+0x75/0x490 [ 76.921065][ T56] __ext4_journal_stop+0xf8/0x190 [ 76.926106][ T56] ext4_writepages+0x2cb8/0x3de0 [ 76.931095][ T56] ? ext4_read_folio+0x390/0x390 [ 76.936060][ T56] ? do_raw_spin_unlock+0x137/0x8a0 [ 76.941293][ T56] ? ext4_read_folio+0x390/0x390 [ 76.946238][ T56] do_writepages+0x3a2/0x670 [ 76.950824][ T56] ? __writepage+0x120/0x120 [ 76.955441][ T56] ? wbc_attach_and_unlock_inode+0x2fb/0x550 [ 76.961521][ T56] ? __lock_acquire+0x1f80/0x1f80 [ 76.966561][ T56] ? writeback_sb_inodes+0x701/0x1b20 [ 76.971932][ T56] ? do_raw_spin_unlock+0x137/0x8a0 [ 76.977125][ T56] __writeback_single_inode+0x15d/0x11e0 [ 76.982750][ T56] writeback_sb_inodes+0xc2b/0x1b20 [ 76.987941][ T56] ? do_raw_spin_lock+0x14a/0x370 [ 76.993393][ T56] ? queue_io+0x630/0x630 [ 76.997720][ T56] ? __writeback_inodes_wb+0x400/0x400 [ 77.003167][ T56] __writeback_inodes_wb+0x114/0x400 [ 77.008447][ T56] wb_writeback+0x4b1/0xe10 [ 77.013134][ T56] ? percpu_ref_tryget+0x260/0x260 [ 77.018262][ T56] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 77.024245][ T56] ? _find_next_bit+0x11b/0x120 [ 77.029123][ T56] wb_workfn+0xbec/0x1020 [ 77.033545][ T56] ? inode_wait_for_writeback+0x280/0x280 [ 77.039259][ T56] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 77.045245][ T56] ? print_irqtrace_events+0x210/0x210 [ 77.050735][ T56] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 77.056706][ T56] ? do_raw_spin_unlock+0x137/0x8a0 [ 77.061917][ T56] ? process_one_work+0x7a9/0x11d0 [ 77.067051][ T56] process_one_work+0x8a9/0x11d0 [ 77.071994][ T56] ? worker_detach_from_pool+0x260/0x260 [ 77.077678][ T56] ? _raw_spin_lock_irqsave+0x120/0x120 [ 77.083419][ T56] ? kthread_data+0x4e/0xc0 [ 77.087934][ T56] ? wq_worker_running+0x97/0x190 [ 77.092964][ T56] worker_thread+0xa47/0x1200 [ 77.097636][ T56] ? _raw_spin_unlock+0x40/0x40 [ 77.102488][ T56] ? __sched_text_start+0x8/0x8 [ 77.107379][ T56] ? _raw_spin_unlock+0x40/0x40 [ 77.112243][ T56] kthread+0x28d/0x320 [ 77.116414][ T56] ? worker_clr_flags+0x190/0x190 [ 77.121451][ T56] ? kthread_blkcg+0xd0/0xd0 [ 77.126047][ T56] ret_from_fork+0x1f/0x30 [ 77.130505][ T56] [ 77.133521][ T56] [ 77.135847][ T56] The buggy address belongs to stack of task kworker/u4:4/56 [ 77.143232][ T56] and is located at offset 0 in frame: [ 77.148766][ T56] bpf_trace_run8+0x0/0x4e0 [ 77.153269][ T56] [ 77.155576][ T56] This frame has 1 object: [ 77.159971][ T56] [32, 96) 'args' [ 77.159979][ T56] [ 77.165992][ T56] The buggy address belongs to the virtual mapping at [ 77.165992][ T56] [ffffc90001570000, ffffc90001579000) created by: [ 77.165992][ T56] copy_process+0x637/0x4060 [ 77.183707][ T56] [ 77.186073][ T56] The buggy address belongs to the physical page: [ 77.192470][ T56] page:ffffea000052b9c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x14ae7 [ 77.202683][ T56] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 77.209787][ T56] raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000 [ 77.218380][ T56] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 77.226970][ T56] page dumped because: kasan: bad access detected [ 77.233376][ T56] page_owner tracks the page as allocated [ 77.239103][ T56] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2dc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), pid 2, tgid 2 (kthreadd), ts 4969016518, free_ts 0 [ 77.256516][ T56] post_alloc_hook+0x18d/0x1b0 [ 77.261275][ T56] get_page_from_freelist+0x31a1/0x3320 [ 77.266886][ T56] __alloc_pages+0x28d/0x770 [ 77.272025][ T56] __vmalloc_node_range+0x96c/0x1460 [ 77.277339][ T56] dup_task_struct+0x3e5/0x6d0 [ 77.282108][ T56] copy_process+0x637/0x4060 [ 77.286691][ T56] kernel_clone+0x222/0x920 [ 77.291184][ T56] kernel_thread+0x152/0x1d0 [ 77.295778][ T56] kthreadd+0x596/0x760 [ 77.299924][ T56] ret_from_fork+0x1f/0x30 [ 77.304329][ T56] page_owner free stack trace missing [ 77.309679][ T56] [ 77.311985][ T56] Memory state around the buggy address: [ 77.317603][ T56] ffffc90001576a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 77.325653][ T56] ffffc90001576b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 77.333719][ T56] >ffffc90001576b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 00 00 [ 77.341893][ T56] ^ [ 77.348061][ T56] ffffc90001576c00: 00 00 00 00 f3 f3 f3 f3 00 00 00 00 00 00 00 00 [ 77.356125][ T56] ffffc90001576c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 77.364283][ T56] ================================================================== [ 77.372630][ T56] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 77.379842][ T56] CPU: 1 PID: 56 Comm: kworker/u4:4 Not tainted 6.1.83-syzkaller #0 [ 77.387811][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 77.397856][ T56] Workqueue: writeback wb_workfn (flush-8:0) [ 77.403844][ T56] Call Trace: [ 77.407119][ T56] [ 77.410065][ T56] dump_stack_lvl+0x1e3/0x2cb [ 77.414745][ T56] ? nf_tcp_handle_invalid+0x642/0x642 [ 77.420200][ T56] ? panic+0x75d/0x75d [ 77.424344][ T56] ? vscnprintf+0x59/0x80 [ 77.428687][ T56] panic+0x318/0x75d [ 77.432581][ T56] ? check_panic_on_warn+0x1d/0xa0 [ 77.437768][ T56] ? memcpy_page_flushcache+0xfc/0xfc [ 77.443131][ T56] ? _raw_spin_unlock_irqrestore+0xd4/0x130 [ 77.449011][ T56] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 77.454890][ T56] ? _raw_spin_unlock+0x40/0x40 [ 77.459729][ T56] ? print_report+0x4a3/0x4f0 [ 77.464394][ T56] check_panic_on_warn+0x7e/0xa0 [ 77.469323][ T56] ? hash+0x3cc/0xab0 [ 77.473305][ T56] end_report+0x66/0x110 [ 77.477545][ T56] kasan_report+0x143/0x160 [ 77.482036][ T56] ? hash+0x3cc/0xab0 [ 77.486012][ T56] hash+0x3cc/0xab0 [ 77.489814][ T56] bloom_map_peek_elem+0xb1/0x1b0 [ 77.494934][ T56] ? bpf_trace_run8+0x1fc/0x4e0 [ 77.499803][ T56] bpf_prog_00798911c748094f+0x3a/0x3e [ 77.505248][ T56] bpf_trace_run8+0x2e5/0x4e0 [ 77.509914][ T56] ? bpf_trace_run7+0x4c0/0x4c0 [ 77.514755][ T56] __bpf_trace_jbd2_handle_stats+0x43/0x60 [ 77.520558][ T56] ? __bpf_trace_jbd2_handle_extend+0x50/0x50 [ 77.526616][ T56] __traceiter_jbd2_handle_stats+0x9c/0xf0 [ 77.532417][ T56] jbd2_journal_stop+0xd5a/0xdf0 [ 77.537346][ T56] ? jbd2_journal_start_reserved+0x300/0x300 [ 77.543316][ T56] ? __up_read+0x690/0x690 [ 77.547721][ T56] ? mlock_page_drain_local+0x75/0x490 [ 77.553281][ T56] __ext4_journal_stop+0xf8/0x190 [ 77.558300][ T56] ext4_writepages+0x2cb8/0x3de0 [ 77.563248][ T56] ? ext4_read_folio+0x390/0x390 [ 77.568199][ T56] ? do_raw_spin_unlock+0x137/0x8a0 [ 77.573382][ T56] ? ext4_read_folio+0x390/0x390 [ 77.578308][ T56] do_writepages+0x3a2/0x670 [ 77.582901][ T56] ? __writepage+0x120/0x120 [ 77.587481][ T56] ? wbc_attach_and_unlock_inode+0x2fb/0x550 [ 77.593465][ T56] ? __lock_acquire+0x1f80/0x1f80 [ 77.598490][ T56] ? writeback_sb_inodes+0x701/0x1b20 [ 77.603851][ T56] ? do_raw_spin_unlock+0x137/0x8a0 [ 77.609050][ T56] __writeback_single_inode+0x15d/0x11e0 [ 77.614682][ T56] writeback_sb_inodes+0xc2b/0x1b20 [ 77.619870][ T56] ? do_raw_spin_lock+0x14a/0x370 [ 77.625069][ T56] ? queue_io+0x630/0x630 [ 77.629391][ T56] ? __writeback_inodes_wb+0x400/0x400 [ 77.634837][ T56] __writeback_inodes_wb+0x114/0x400 [ 77.640132][ T56] wb_writeback+0x4b1/0xe10 [ 77.644627][ T56] ? percpu_ref_tryget+0x260/0x260 [ 77.649777][ T56] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 77.655756][ T56] ? _find_next_bit+0x11b/0x120 [ 77.660616][ T56] wb_workfn+0xbec/0x1020 [ 77.664946][ T56] ? inode_wait_for_writeback+0x280/0x280 [ 77.671967][ T56] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 77.677962][ T56] ? print_irqtrace_events+0x210/0x210 [ 77.683439][ T56] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 77.689334][ T56] ? do_raw_spin_unlock+0x137/0x8a0 [ 77.694557][ T56] ? process_one_work+0x7a9/0x11d0 [ 77.699671][ T56] process_one_work+0x8a9/0x11d0 [ 77.704649][ T56] ? worker_detach_from_pool+0x260/0x260 [ 77.710293][ T56] ? _raw_spin_lock_irqsave+0x120/0x120 [ 77.716009][ T56] ? kthread_data+0x4e/0xc0 [ 77.720522][ T56] ? wq_worker_running+0x97/0x190 [ 77.725580][ T56] worker_thread+0xa47/0x1200 [ 77.730247][ T56] ? _raw_spin_unlock+0x40/0x40 [ 77.735088][ T56] ? __sched_text_start+0x8/0x8 [ 77.739928][ T56] ? _raw_spin_unlock+0x40/0x40 [ 77.744770][ T56] kthread+0x28d/0x320 [ 77.748832][ T56] ? worker_clr_flags+0x190/0x190 [ 77.753843][ T56] ? kthread_blkcg+0xd0/0xd0 [ 77.758427][ T56] ret_from_fork+0x1f/0x30 [ 77.762842][ T56] [ 77.766202][ T56] Kernel Offset: disabled [ 77.770514][ T56] Rebooting in 86400 seconds..