Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 51.117515] kauditd_printk_skb: 4 callbacks suppressed [ 51.117530] audit: type=1400 audit(1545745032.663:35): avc: denied { map } for pid=8568 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 51.156553] sshd (8566) used greatest stack depth: 15736 bytes left Warning: Permanently added '10.128.15.221' (ECDSA) to the list of known hosts. [ 57.842989] audit: type=1400 audit(1545745039.393:36): avc: denied { map } for pid=8580 comm="syz-executor171" path="/root/syz-executor171660230" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 57.867958] IPVS: ftp: loaded support on port[0] = 21 [ 57.883354] IPVS: ftp: loaded support on port[0] = 21 [ 57.886454] IPVS: ftp: loaded support on port[0] = 21 [ 57.895888] IPVS: ftp: loaded support on port[0] = 21 [ 57.900696] IPVS: ftp: loaded support on port[0] = 21 [ 57.913711] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 executing program [ 58.424937] audit: type=1400 audit(1545745039.973:37): avc: denied { create } for pid=8659 comm="syz-executor171" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 58.499155] audit: type=1400 audit(1545745040.003:38): avc: denied { write } for pid=8659 comm="syz-executor171" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 executing program executing program [ 58.576502] audit: type=1400 audit(1545745040.033:39): avc: denied { read } for pid=8659 comm="syz-executor171" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 executing program executing program executing program [ 61.704960] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 61.713104] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 4.20.0 #167 [ 61.719598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.728970] Workqueue: writeback wb_workfn (flush-8:0) [ 61.734249] Call Trace: [ 61.736858] dump_stack+0x1d3/0x2c6 [ 61.740502] ? dump_stack_print_info.cold.1+0x20/0x20 [ 61.745712] panic+0x2ad/0x55c [ 61.748916] ? add_taint.cold.5+0x16/0x16 [ 61.753089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.758638] ? check_preemption_disabled+0x48/0x280 [ 61.763666] ? check_preemption_disabled+0x3a/0x280 [ 61.768692] __schedule+0x1ec6/0x1ed0 [ 61.772517] ? __sched_text_start+0x8/0x8 [ 61.776691] ? up_read_non_owner+0x100/0x100 [ 61.781108] ? __down_interruptible+0x700/0x700 [ 61.785791] ? mark_held_locks+0xc7/0x130 [ 61.789948] ? preempt_schedule_irq+0x5e/0x110 [ 61.794544] ? preempt_schedule_irq+0x5e/0x110 [ 61.799135] ? lockdep_hardirqs_on+0x421/0x5c0 [ 61.803728] ? trace_hardirqs_on+0xbd/0x310 [ 61.808058] ? retint_kernel+0x1b/0x2d [ 61.811960] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 61.817420] ? page_mkclean_one+0x7d0/0x7d0 [ 61.821760] preempt_schedule_irq+0x87/0x110 [ 61.826187] retint_kernel+0x1b/0x2d [ 61.829927] RIP: 0010:__remove_mapping+0x121/0x1af0 [ 61.834951] Code: c7 40 50 f2 f2 f2 f2 c7 40 54 00 f2 f2 f2 c7 40 58 f2 f2 f2 f2 c7 40 5c 00 f2 f2 f2 c7 40 60 f2 f2 f2 f2 c7 40 64 00 f2 f2 f2 40 68 f2 f2 f2 f2 c7 40 6c 00 f2 f2 f2 c7 40 70 f2 f2 f2 f2 c7 [ 61.853867] RSP: 0018:ffff8881d9ac1740 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 61.861598] RAX: ffffed103b3582f2 RBX: ffffea00076bff80 RCX: ffffffff81a6e714 [ 61.868876] RDX: 0000000000000001 RSI: ffffea00076bff80 RDI: ffff8881cc4f2730 [ 61.876158] RBP: ffff8881d9ac1bd8 R08: ffff8881d9ab41c0 R09: fffff94000ed7ff6 [ 61.883434] R10: fffff94000ed7ff6 R11: ffffea00076bffb3 R12: ffff8881d9ac1bb0 [ 61.890711] R13: ffffea00076bff88 R14: dffffc0000000000 R15: ffff8881cc4f2730 [ 61.898009] ? shrink_page_list+0x64b4/0xc620 [ 61.902526] ? lockdep_hardirqs_on+0x421/0x5c0 [ 61.907134] ? kasan_check_read+0x11/0x20 [ 61.911316] ? perf_trace_mm_vmscan_writepage+0x9a0/0x9a0 [ 61.916876] ? vma_adjust_trans_huge+0x310/0x310 [ 61.921651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.927203] ? page_mapped+0x366/0x810 [ 61.931098] ? mark_held_locks+0xc7/0x130 [ 61.935269] ? page_mapping+0xa50/0xa50 [ 61.939252] ? free_unref_page_list+0xc0c/0x11e0 [ 61.944035] ? lockdep_hardirqs_on+0x421/0x5c0 [ 61.948629] ? rmap_walk+0x231/0x350 [ 61.952356] ? page_get_anon_vma+0x6d0/0x6d0 [ 61.956782] ? rmap_walk+0x231/0x350 [ 61.960511] ? page_get_anon_vma+0x6d0/0x6d0 [ 61.964936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.970483] ? try_to_unmap+0x473/0xa40 [ 61.974484] ? rmap_walk_locked+0x360/0x360 [ 61.978817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.984384] ? page_remove_rmap+0x1a30/0x1a30 [ 61.988890] ? page_not_mapped+0x20/0x20 [ 61.992961] ? __anon_vma_prepare+0x6c0/0x6c0 [ 61.997465] ? page_referenced+0x2d5/0xaa0 [ 62.001711] ? page_mapping+0xa50/0xa50 [ 62.005697] ? rmap_walk+0x350/0x350 [ 62.009415] ? kasan_check_read+0x11/0x20 [ 62.013585] ? rcu_softirq_qs+0x20/0x20 [ 62.017567] ? mark_held_locks+0xc7/0x130 [ 62.021724] ? page_mapcount_is_zero+0x30/0x30 [ 62.026332] ? __anon_vma_prepare+0x6c0/0x6c0 [ 62.030876] ? page_evictable+0x305/0x540 [ 62.035053] ? kswapd_stop+0x100/0x100 [ 62.038949] ? ___might_sleep+0x1ed/0x300 [ 62.043120] ? check_preemption_disabled+0x48/0x280 [ 62.048144] ? arch_local_save_flags+0x40/0x40 [ 62.052737] ? count_memcg_events+0x1ac/0x2a0 [ 62.057258] shrink_page_list+0x664c/0xc620 [ 62.061609] ? page_evictable+0x540/0x540 [ 62.065767] ? __sanitizer_cov_trace_cmp1+0x10/0x20 [ 62.070794] ? workingset_update_node+0x4e7/0xb50 [ 62.075656] ? count_shadow_nodes+0x670/0x670 [ 62.080179] ? graph_lock+0x270/0x270 [ 62.084019] ? graph_lock+0x270/0x270 [ 62.087826] ? __lock_acquire+0x62f/0x4c20 [ 62.092114] ? find_held_lock+0x36/0x1c0 [ 62.096240] ? rmap_walk_file+0xe85/0x1190 [ 62.100490] ? lock_downgrade+0x900/0x900 [ 62.104662] ? page_referenced_one+0x5aa/0x840 [ 62.109255] ? kasan_check_write+0x14/0x20 [ 62.113494] ? up_read+0x225/0x2c0 [ 62.117040] ? up_read_non_owner+0x100/0x100 [ 62.121484] ? vma_interval_tree_iter_next+0xf7/0x240 [ 62.126700] ? page_mapcount_is_zero+0x30/0x30 [ 62.131315] ? rmap_walk_file+0x8b7/0x1190 [ 62.135587] ? find_held_lock+0x36/0x1c0 [ 62.139663] ? mark_held_locks+0x130/0x130 [ 62.143978] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 62.149087] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 62.154208] ? lockdep_hardirqs_on+0x421/0x5c0 [ 62.158797] ? kasan_check_read+0x11/0x20 [ 62.162962] ? total_mapcount+0x2c8/0x940 [ 62.167148] ? vma_adjust_trans_huge+0x310/0x310 [ 62.171928] ? free_unref_page_list+0xc0c/0x11e0 [ 62.176694] ? free_unref_page_list+0xc0c/0x11e0 [ 62.181997] ? lockdep_hardirqs_on+0x421/0x5c0 [ 62.186588] ? trace_hardirqs_on+0xbd/0x310 [ 62.190922] ? shrink_page_list+0x6d2b/0xc620 [ 62.195459] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 62.200915] ? graph_lock+0x270/0x270 [ 62.204739] ? page_get_anon_vma+0x6d0/0x6d0 [ 62.209209] ? print_usage_bug+0xc0/0xc0 [ 62.213325] ? __page_frag_cache_drain+0x210/0x210 [ 62.218269] ? page_referenced+0x2d5/0xaa0 [ 62.222521] ? rmap_walk+0x350/0x350 [ 62.226252] ? mark_held_locks+0xc7/0x130 [ 62.230411] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 62.235958] ? unlock_page+0x2c2/0x4c0 [ 62.239890] ? wake_up_page_bit+0x6f0/0x6f0 [ 62.244232] ? mem_cgroup_uncharge+0x100/0x100 [ 62.248876] ? shrink_page_list+0x387b/0xc620 [ 62.253384] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 62.258865] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 62.264435] ? check_preemption_disabled+0x48/0x280 [ 62.269471] ? shrink_page_list+0x707b/0xc620 [ 62.273997] ? page_evictable+0x540/0x540 [ 62.278262] ? print_usage_bug+0xc0/0xc0 [ 62.282356] ? __lock_acquire+0x62f/0x4c20 [ 62.286616] ? mark_held_locks+0x130/0x130 [ 62.290928] ? graph_lock+0x270/0x270 [ 62.294752] ? find_held_lock+0x36/0x1c0 [ 62.298842] ? page_vma_mapped_walk+0x2ec/0x27f0 [ 62.303607] ? lock_downgrade+0x900/0x900 [ 62.307770] ? kasan_check_read+0x11/0x20 [ 62.311926] ? do_raw_spin_unlock+0xa7/0x330 [ 62.316346] ? do_raw_spin_trylock+0x270/0x270 [ 62.320971] ? __ia32_sys_msync+0x510/0x510 [ 62.325304] ? print_usage_bug+0xc0/0xc0 [ 62.329379] ? _raw_spin_unlock+0x2c/0x50 [ 62.333542] ? page_vma_mapped_walk+0x2f1/0x27f0 [ 62.338323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 62.343883] ? __isolate_lru_page+0xd05/0x1540 [ 62.348480] ? graph_lock+0x270/0x270 [ 62.352295] ? mark_held_locks+0x130/0x130 [ 62.356546] ? find_held_lock+0x36/0x1c0 [ 62.360661] ? lock_downgrade+0x900/0x900 [ 62.364845] ? page_referenced_one+0x5aa/0x840 [ 62.369438] ? graph_lock+0x270/0x270 [ 62.373264] ? graph_lock+0x270/0x270 [ 62.377086] ? print_usage_bug+0xc0/0xc0 [ 62.381206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.386753] ? check_preemption_disabled+0x48/0x280 [ 62.391780] ? trace_hardirqs_off+0xb8/0x310 [ 62.396219] ? trace_hardirqs_on+0x310/0x310 [ 62.400649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.406202] ? check_preemption_disabled+0x48/0x280 [ 62.411237] ? print_usage_bug+0xc0/0xc0 [ 62.415304] ? count_memcg_events+0x1ac/0x2a0 [ 62.419815] ? move_active_pages_to_lru+0x1461/0x19b0 [ 62.425033] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 62.430574] ? __isolate_lru_page+0xd05/0x1540 [ 62.435155] ? putback_lru_page+0x280/0x280 [ 62.439480] ? __lock_acquire+0x62f/0x4c20 [ 62.443737] ? mark_held_locks+0x130/0x130 [ 62.447989] ? __lock_acquire+0x62f/0x4c20 [ 62.452238] ? free_unref_page_list+0xc0c/0x11e0 [ 62.456999] ? free_unref_page_list+0xc0c/0x11e0 [ 62.461796] ? mark_held_locks+0x130/0x130 [ 62.466046] ? unlock_page+0x2c2/0x4c0 [ 62.469954] ? graph_lock+0x270/0x270 [ 62.473773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.479332] ? check_preemption_disabled+0x48/0x280 [ 62.484363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.489909] ? check_preemption_disabled+0x48/0x280 [ 62.494932] ? __lock_is_held+0xb5/0x140 [ 62.499004] ? __this_cpu_preempt_check+0x1c/0x20 [ 62.503864] ? __mod_zone_page_state+0x8a/0xf0 [ 62.508460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.514009] ? isolate_lru_pages.isra.57+0xc7d/0x19e0 [ 62.519231] ? __isolate_lru_page+0x1540/0x1540 [ 62.523955] ? print_usage_bug+0xc0/0xc0 [ 62.528029] ? __lock_is_held+0xb5/0x140 [ 62.532169] ? __lock_acquire+0x62f/0x4c20 [ 62.536450] ? graph_lock+0x270/0x270 [ 62.540263] ? print_usage_bug+0xc0/0xc0 [ 62.544346] ? find_held_lock+0x36/0x1c0 [ 62.548425] ? mark_held_locks+0xc7/0x130 [ 62.552580] ? _raw_spin_unlock_irq+0x27/0x80 [ 62.557079] ? _raw_spin_unlock_irq+0x27/0x80 [ 62.561583] ? lockdep_hardirqs_on+0x421/0x5c0 [ 62.566199] ? trace_hardirqs_on+0xbd/0x310 [ 62.570544] ? kasan_check_read+0x11/0x20 [ 62.574716] ? shrink_inactive_list+0x741/0x1c60 [ 62.579479] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 62.584941] ? trace_hardirqs_on+0x310/0x310 [ 62.589360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.594918] ? check_preemption_disabled+0x48/0x280 [ 62.599947] shrink_inactive_list+0x77b/0x1c60 [ 62.604556] ? putback_inactive_pages+0x27e0/0x27e0 [ 62.609581] ? kasan_check_read+0x11/0x20 [ 62.613736] ? mem_cgroup_get_nr_swap_pages+0xa1/0x340 [ 62.619046] ? blk_lld_busy+0x70/0x70 [ 62.622876] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 62.627826] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 62.632782] shrink_node_memcg+0x78b/0x18f0 [ 62.637106] ? shrink_slab+0x207/0x8c0 [ 62.641018] ? shrink_active_list+0x1f00/0x1f00 [ 62.645697] ? mem_cgroup_from_id+0x30/0x30 [ 62.650048] ? unregister_memcg_shrinker.isra.44+0x50/0x50 [ 62.655712] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 62.660911] shrink_node+0x3bc/0x16b0 [ 62.664718] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 62.670024] ? shrink_node_memcg+0x18f0/0x18f0 [ 62.674621] ? kvm_clock_read+0x18/0x30 [ 62.678603] ? ktime_get+0x2c1/0x400 [ 62.682341] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 62.686884] ? blk_mq_dequeue_from_ctx+0xa70/0xa70 [ 62.691868] do_try_to_free_pages+0x3df/0x1290 [ 62.696460] ? graph_lock+0x270/0x270 [ 62.700289] ? shrink_node+0x16b0/0x16b0 [ 62.704365] ? __lock_is_held+0xb5/0x140 [ 62.708448] try_to_free_pages+0x4d0/0xb90 [ 62.712695] ? do_try_to_free_pages+0x1290/0x1290 [ 62.717553] ? kasan_check_read+0x11/0x20 [ 62.721727] ? psi_memstall_enter+0x24f/0x2c0 [ 62.726237] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 62.731697] ? lock_repin_lock+0x430/0x430 [ 62.735947] ? _raw_spin_unlock_irq+0x60/0x80 [ 62.740455] ? psi_memstall_enter+0x24f/0x2c0 [ 62.744960] ? psi_memstall_tick+0x230/0x230 [ 62.749415] __alloc_pages_slowpath+0xa48/0x2df0 [ 62.754273] ? warn_alloc+0x120/0x120 [ 62.758114] ? warn_alloc+0x120/0x120 [ 62.761939] ? warn_alloc+0x120/0x120 [ 62.765752] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 62.771316] ? blk_mq_do_dispatch_sched+0x443/0x580 [ 62.776349] ? print_usage_bug+0xc0/0xc0 [ 62.780420] ? blk_mq_do_dispatch_ctx+0x6d0/0x6d0 [ 62.785274] ? find_held_lock+0x36/0x1c0 [ 62.789362] ? graph_lock+0x270/0x270 [ 62.793176] ? hctx_unlock+0xde/0x150 [ 62.796999] ? __lock_is_held+0xb5/0x140 [ 62.801067] ? __lock_acquire+0x62f/0x4c20 [ 62.805312] ? graph_lock+0x270/0x270 [ 62.809126] ? ___might_sleep+0x1ed/0x300 [ 62.813284] ? arch_local_save_flags+0x40/0x40 [ 62.817866] ? check_preemption_disabled+0x48/0x280 [ 62.822887] ? __might_sleep+0x95/0x190 [ 62.826882] __alloc_pages_nodemask+0xad8/0xea0 [ 62.831580] ? __alloc_pages_slowpath+0x2df0/0x2df0 [ 62.836615] ? mark_held_locks+0xc7/0x130 [ 62.840778] ? cache_grow_begin+0x5a4/0x8c0 [ 62.845111] ? lockdep_hardirqs_on+0x421/0x5c0 [ 62.849702] ? trace_hardirqs_on+0xbd/0x310 [ 62.854032] ? fallback_alloc+0x203/0x2e0 [ 62.858199] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 62.863658] ? ____cache_alloc_node+0x16b/0x1e0 [ 62.868337] ? lock_downgrade+0x900/0x900 [ 62.872489] ? graph_lock+0x270/0x270 [ 62.876302] cache_grow_begin+0x91/0x8c0 [ 62.880367] ? do_raw_spin_unlock+0xa7/0x330 [ 62.884786] fallback_alloc+0x203/0x2e0 [ 62.888789] ____cache_alloc_node+0x1c7/0x1e0 [ 62.893297] kmem_cache_alloc+0x1f8/0x730 [ 62.897453] ? mempool_free+0x370/0x370 [ 62.901432] mempool_alloc_slab+0x44/0x60 [ 62.905600] mempool_alloc+0x193/0x4a0 [ 62.909529] ? mempool_destroy+0x30/0x30 [ 62.913611] ? blk_account_io_start+0x486/0xf90 [ 62.918288] ? lock_downgrade+0x900/0x900 [ 62.922448] ? check_preemption_disabled+0x48/0x280 [ 62.927478] bio_alloc_bioset+0x3a8/0x700 [ 62.931654] ? bvec_alloc+0x2d0/0x2d0 [ 62.935495] bio_clone_fast+0x26/0x110 [ 62.939393] bio_split+0x86/0x260 [ 62.942872] blk_queue_split+0xa22/0x20f0 [ 62.947030] ? blk_queue_bounce+0x126/0x292a [ 62.951466] ? blk_recount_segments+0x9e0/0x9e0 [ 62.956142] ? graph_lock+0x270/0x270 [ 62.959959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.965517] ? check_preemption_disabled+0x48/0x280 [ 62.970551] ? __lock_is_held+0xb5/0x140 [ 62.974630] blk_mq_make_request+0x2e9/0x2590 [ 62.979141] ? blk_mq_try_issue_directly+0x1e0/0x1e0 [ 62.984273] ? graph_lock+0x270/0x270 [ 62.988103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.993662] ? check_preemption_disabled+0x48/0x280 [ 62.998696] ? __lock_is_held+0xb5/0x140 [ 63.002786] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 63.008330] ? generic_make_request_checks+0x5fb/0x26c0 [ 63.013713] ? blk_queue_bypass_end+0x210/0x210 [ 63.018396] ? find_held_lock+0x36/0x1c0 [ 63.022491] ? __unlock_page_memcg+0x53/0x100 [ 63.026995] ? lock_downgrade+0x900/0x900 [ 63.031148] ? check_preemption_disabled+0x48/0x280 [ 63.036181] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 63.041123] ? kasan_check_read+0x11/0x20 [ 63.045313] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 63.050596] ? lockdep_hardirqs_on+0x421/0x5c0 [ 63.055184] ? rcu_softirq_qs+0x20/0x20 [ 63.059191] ? trace_hardirqs_on+0xbd/0x310 [ 63.063538] ? ext4_bio_write_page+0x505/0x19c3 [ 63.068221] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 63.073691] ? __unlock_page_memcg+0x70/0x100 [ 63.078212] ? unlock_page_memcg+0x2c/0x40 [ 63.082468] ? __test_set_page_writeback+0x386/0x1f30 [ 63.087686] ? wait_for_stable_page+0x570/0x570 [ 63.092373] generic_make_request+0x9be/0x15a0 [ 63.096973] ? blk_get_request+0x4e0/0x4e0 [ 63.101228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 63.106769] ? page_mapping+0x5a2/0xa50 [ 63.110762] ? find_held_lock+0x36/0x1c0 [ 63.114845] ? clear_page_dirty_for_io+0xa1a/0x1900 [ 63.119883] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 63.124824] submit_bio+0xba/0x460 [ 63.128414] ? submit_bio+0xba/0x460 [ 63.132144] ? generic_make_request+0x15a0/0x15a0 [ 63.137006] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 63.142554] ? __bio_try_merge_page+0x113/0x240 [ 63.147258] ext4_io_submit+0x197/0x230 [ 63.151243] ext4_bio_write_page+0xb4d/0x19c3 [ 63.155769] ? ext4_io_submit_init+0x90/0x90 [ 63.160190] ? kasan_check_read+0x11/0x20 [ 63.164358] ? pagevec_lru_move_fn+0x259/0x350 [ 63.168964] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 63.174429] ? find_held_lock+0x36/0x1c0 [ 63.178510] ? pagevec_lru_move_fn+0x28c/0x350 [ 63.183104] ? lru_deactivate_file_fn+0x2e90/0x2e90 [ 63.188154] mpage_submit_page+0x15e/0x270 [ 63.192412] mpage_map_and_submit_buffers+0x55e/0xa40 [ 63.197625] ? mpage_process_page_bufs+0x600/0x600 [ 63.202561] ? ext4_map_blocks+0x429/0x1b60 [ 63.206894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.212466] ext4_writepages+0x2720/0x4180 [ 63.216737] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 63.221500] ? __lock_acquire+0x62f/0x4c20 [ 63.225777] ? trace_hardirqs_on_caller+0xc0/0x310 [ 63.230715] ? trace_hardirqs_off+0x310/0x310 [ 63.235225] ? retint_kernel+0x1b/0x2d [ 63.239133] ? __lock_acquire+0x62f/0x4c20 [ 63.243375] ? retint_kernel+0x2d/0x2d [ 63.247275] ? print_usage_bug+0xc0/0xc0 [ 63.251351] ? __lock_acquire+0x62f/0x4c20 [ 63.255598] ? mark_held_locks+0x130/0x130 [ 63.259855] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 63.265397] ? __ext4_get_inode_loc+0x470/0x1330 [ 63.270175] ? mark_held_locks+0x130/0x130 [ 63.274439] ? graph_lock+0x270/0x270 [ 63.278250] ? kasan_check_write+0x14/0x20 [ 63.282503] ? __brelse+0x104/0x180 [ 63.286167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.291744] ? check_preemption_disabled+0x48/0x280 [ 63.296780] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 63.301557] do_writepages+0x9a/0x1a0 [ 63.305363] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 63.310264] ? do_writepages+0x9a/0x1a0 [ 63.314266] __writeback_single_inode+0x20a/0x1660 [ 63.319215] ? __mark_inode_dirty+0x1510/0x1510 [ 63.323894] ? do_raw_spin_unlock+0xa7/0x330 [ 63.328307] ? do_raw_spin_trylock+0x270/0x270 [ 63.332908] ? find_held_lock+0x36/0x1c0 [ 63.336982] ? wbc_attach_and_unlock_inode+0x5c0/0xa30 [ 63.342321] ? lock_downgrade+0x900/0x900 [ 63.346480] ? find_held_lock+0x13f/0x1c0 [ 63.350640] ? kasan_check_read+0x11/0x20 [ 63.354842] ? do_raw_spin_unlock+0xa7/0x330 [ 63.359263] ? do_raw_spin_trylock+0x270/0x270 [ 63.363863] ? __lock_is_held+0xb5/0x140 [ 63.367947] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 63.373492] ? wbc_attach_and_unlock_inode+0x675/0xa30 [ 63.378803] ? __writeback_single_inode+0x1660/0x1660 [ 63.384019] writeback_sb_inodes+0x71f/0x1210 [ 63.388536] ? wbc_detach_inode+0x940/0x940 [ 63.392878] ? lock_release+0xa00/0xa00 [ 63.396933] ? down_read_trylock+0xda/0x140 [ 63.401275] ? trylock_super+0x22/0x110 [ 63.405273] ? downgrade_write+0x270/0x270 [ 63.409616] ? graph_lock+0x270/0x270 [ 63.413429] ? graph_lock+0x270/0x270 [ 63.417239] ? __update_load_avg_se+0x5eb/0xae0 [ 63.421923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 63.427474] __writeback_inodes_wb+0x1b9/0x340 [ 63.432087] ? writeback_sb_inodes+0x1210/0x1210 [ 63.436878] ? __lock_is_held+0xb5/0x140 [ 63.440974] wb_writeback+0xa73/0xfc0 [ 63.444792] ? writeback_inodes_wb.constprop.50+0x330/0x330 [ 63.450537] ? widen_string+0xe0/0x2e0 [ 63.454443] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 63.459654] ? print_usage_bug+0xc0/0xc0 [ 63.463725] ? string+0x225/0x2d0 [ 63.467190] ? widen_string+0x2e0/0x2e0 [ 63.471185] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 63.476221] ? find_next_bit+0x104/0x130 [ 63.480294] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 63.485315] ? find_next_bit+0x104/0x130 [ 63.489386] ? cpumask_next+0x41/0x50 [ 63.493202] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 63.498235] ? get_nr_dirty_inodes+0xd6/0x130 [ 63.502738] ? __local_bh_enable_ip+0x160/0x260 [ 63.507418] ? get_nr_dirty_pages+0x17c/0x1f0 [ 63.511928] ? _raw_spin_unlock_bh+0x30/0x40 [ 63.516350] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 63.521372] ? wb_split_bdi_pages.isra.29+0x134/0x1b0 [ 63.526568] ? wb_wait_for_completion+0x2d0/0x2d0 [ 63.531436] ? wb_workfn+0x521/0x1790 [ 63.535246] ? __local_bh_enable_ip+0x160/0x260 [ 63.539928] wb_workfn+0xee9/0x1790 [ 63.543567] ? __lock_acquire+0x62f/0x4c20 [ 63.547845] ? inode_wait_for_writeback+0x40/0x40 [ 63.552703] ? mark_held_locks+0x130/0x130 [ 63.556950] ? mark_held_locks+0x130/0x130 [ 63.561199] ? set_next_entity+0x2f0/0xaf0 [ 63.565481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.571027] ? update_load_avg+0x2470/0x2470 [ 63.575462] ? pick_next_task_fair+0xa05/0x1b40 [ 63.580162] ? graph_lock+0x270/0x270 [ 63.583982] ? debug_object_deactivate+0x2eb/0x450 [ 63.588922] ? lock_downgrade+0x900/0x900 [ 63.593085] ? find_held_lock+0x36/0x1c0 [ 63.597170] ? graph_lock+0x270/0x270 [ 63.601007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.606554] ? check_preemption_disabled+0x48/0x280 [ 63.611597] ? __lock_is_held+0xb5/0x140 [ 63.615677] process_one_work+0xc90/0x1c40 [ 63.619918] ? mark_held_locks+0x130/0x130 [ 63.624173] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 63.628861] ? __switch_to_asm+0x40/0x70 [ 63.632925] ? __switch_to_asm+0x34/0x70 [ 63.636996] ? __switch_to_asm+0x40/0x70 [ 63.641061] ? __switch_to_asm+0x34/0x70 [ 63.645143] ? __switch_to_asm+0x40/0x70 [ 63.649225] ? __switch_to_asm+0x34/0x70 [ 63.653290] ? __switch_to_asm+0x40/0x70 [ 63.657354] ? __switch_to_asm+0x34/0x70 [ 63.661417] ? __switch_to_asm+0x40/0x70 [ 63.665492] ? __schedule+0x874/0x1ed0 [ 63.669401] ? __switch_to_asm+0x34/0x70 [ 63.673516] ? graph_lock+0x270/0x270 [ 63.677342] ? lockdep_hardirqs_on+0x421/0x5c0 [ 63.681948] ? lock_acquire+0x1ed/0x520 [ 63.685929] ? worker_thread+0x3e0/0x1390 [ 63.690094] ? kasan_check_read+0x11/0x20 [ 63.694249] ? do_raw_spin_lock+0x14f/0x350 [ 63.698577] ? kasan_check_read+0x11/0x20 [ 63.702750] ? rwlock_bug.part.2+0x90/0x90 [ 63.706994] ? trace_hardirqs_on+0x310/0x310 [ 63.711423] worker_thread+0x17f/0x1390 [ 63.715403] ? __switch_to_asm+0x34/0x70 [ 63.719483] ? process_one_work+0x1c40/0x1c40 [ 63.724002] ? __sched_text_start+0x8/0x8 [ 63.728180] ? __kthread_parkme+0xce/0x1a0 [ 63.732426] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 63.737542] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 63.742686] ? lockdep_hardirqs_on+0x421/0x5c0 [ 63.747280] ? trace_hardirqs_on+0xbd/0x310 [ 63.751627] ? kasan_check_read+0x11/0x20 [ 63.755812] ? __kthread_parkme+0xce/0x1a0 [ 63.760079] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 63.765546] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 63.770661] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 63.776219] ? __kthread_parkme+0xfb/0x1a0 [ 63.780470] ? process_one_work+0x1c40/0x1c40 [ 63.784972] kthread+0x35a/0x440 [ 63.788344] ? kthread_bind+0x40/0x40 [ 63.792155] ret_from_fork+0x3a/0x50 [ 63.796938] Kernel Offset: disabled [ 63.800603] Rebooting in 86400 seconds..