[ 19.054371][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 19.062275][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 19.070541][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 19.082909][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 19.094754][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 19.109439][ T373] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 19.654589][ T177] device bridge_slave_1 left promiscuous mode [ 19.660840][ T177] bridge0: port 2(bridge_slave_1) entered disabled state [ 19.668824][ T177] device bridge_slave_0 left promiscuous mode [ 19.675188][ T177] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.0.89' (ECDSA) to the list of known hosts. 2022/11/15 12:05:29 ignoring optional flag "sandboxArg"="0" 2022/11/15 12:05:29 parsed 1 programs 2022/11/15 12:05:29 executed programs: 0 [ 38.058681][ T23] kauditd_printk_skb: 65 callbacks suppressed [ 38.058694][ T23] audit: type=1400 audit(1668513929.310:148): avc: denied { mounton } for pid=403 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 38.089588][ T23] audit: type=1400 audit(1668513929.310:149): avc: denied { mount } for pid=403 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 38.112828][ T23] audit: type=1400 audit(1668513929.330:150): avc: denied { mounton } for pid=406 comm="syz-executor.0" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 38.122018][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.136856][ T23] audit: type=1400 audit(1668513929.340:151): avc: denied { module_request } for pid=406 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 38.144006][ T406] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.172930][ T406] device bridge_slave_0 entered promiscuous mode [ 38.179730][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.187089][ T406] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.194474][ T406] device bridge_slave_1 entered promiscuous mode [ 38.226134][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.233165][ T406] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.240436][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.247469][ T406] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.265111][ T374] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.272404][ T374] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.280418][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 38.288092][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 38.296812][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 38.304952][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.311953][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.334937][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 38.343272][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 38.351211][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 38.359715][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 38.367841][ T374] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.374886][ T374] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.382151][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 38.390068][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 38.401993][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 38.410403][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 38.422963][ T23] audit: type=1400 audit(1668513929.670:152): avc: denied { mount } for pid=406 comm="syz-executor.0" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 38.449962][ T411] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 38.450774][ T23] audit: type=1400 audit(1668513929.700:153): avc: denied { mounton } for pid=410 comm="syz-executor.0" path="/root/syzkaller-testdir3166531966/syzkaller.y8ZufK/0/file0" dev="sda1" ino=1148 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 38.465491][ T411] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 38.496442][ T411] F2FS-fs (loop0): Found nat_bits in checkpoint [ 38.527203][ T411] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 38.534286][ T411] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 [ 38.541924][ T23] audit: type=1400 audit(1668513929.790:154): avc: denied { mount } for pid=410 comm="syz-executor.0" name="/" dev="loop0" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 38.564538][ T23] audit: type=1400 audit(1668513929.820:155): avc: denied { write } for pid=410 comm="syz-executor.0" name="/" dev="loop0" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 38.586729][ T23] audit: type=1400 audit(1668513929.820:156): avc: denied { add_name } for pid=410 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 38.607677][ T23] audit: type=1400 audit(1668513929.820:157): avc: denied { create } for pid=410 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 38.913844][ T177] F2FS-fs (loop0): Inconsistent ofs_in_node:50161 in summary, ino:8, nid:8, max:923 [ 163.734149][ T25] INFO: task kworker/u4:2:177 blocked for more than 122 seconds. [ 163.741887][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 163.748240][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 163.757049][ T25] task:kworker/u4:2 state:D stack: 0 pid: 177 ppid: 2 flags:0x00004000 [ 163.766275][ T25] Workqueue: writeback wb_workfn (flush-7:0) [ 163.772255][ T25] Call Trace: [ 163.775595][ T25] __schedule+0x866/0xc00 [ 163.779920][ T25] ? release_firmware_map_entry+0x194/0x194 [ 163.785829][ T25] ? wq_worker_sleeping+0x62/0x210 [ 163.790932][ T25] schedule+0x14b/0x1e0 [ 163.795095][ T25] io_schedule+0x8e/0x120 [ 163.799421][ T25] wait_on_page_bit_common+0x6da/0xc40 [ 163.804979][ T25] ? xas_start+0x2fa/0x390 [ 163.809396][ T25] ? wait_on_page_bit+0x50/0x50 [ 163.814304][ T25] ? page_mapcount+0xf0/0xf0 [ 163.818892][ T25] pagecache_get_page+0x208/0x850 [ 163.823897][ T25] __get_node_page+0x1e9/0xb90 [ 163.828678][ T25] ? rwsem_set_reader_owned+0x65/0x120 [ 163.834154][ T25] ? read_node_page+0x790/0x790 [ 163.838982][ T25] ? __down_read+0xe0/0x2c0 [ 163.843468][ T25] ? radix_tree_node_alloc+0xbe/0x3c0 [ 163.848843][ T25] ? __init_rwsem+0x1c0/0x1c0 [ 163.853515][ T25] ? __kasan_check_read+0x11/0x20 [ 163.858565][ T25] f2fs_get_node_page+0x21/0x30 [ 163.863415][ T25] gc_data_segment+0x93c/0x3140 [ 163.868282][ T25] ? PageUptodate+0xc0/0xc0 [ 163.872786][ T25] ? page_cache_prev_miss+0x430/0x430 [ 163.878361][ T25] ? page_ext_put+0x1c/0x30 [ 163.882864][ T25] ? __page_pinner_migration_failed+0xe5/0x250 [ 163.889026][ T25] ? __reset_page_pinner+0x4d0/0x4d0 [ 163.894324][ T25] ? pagecache_get_page+0x766/0x850 [ 163.899505][ T25] do_garbage_collect+0xd3f/0x1de0 [ 163.904680][ T25] ? has_not_enough_free_secs+0x940/0x940 [ 163.910424][ T25] ? __kasan_check_write+0x14/0x20 [ 163.915547][ T25] ? __down_write+0x119/0x320 [ 163.920221][ T25] ? __kasan_check_write+0x14/0x20 [ 163.925338][ T25] ? __up_write+0x66/0x1d0 [ 163.929746][ T25] f2fs_gc+0x89e/0x19c0 [ 163.933888][ T25] ? f2fs_start_bidx_of_node+0x370/0x370 [ 163.939546][ T25] ? __down_write+0x119/0x320 [ 163.944227][ T25] ? has_not_enough_free_secs+0x408/0x910 [ 163.949926][ T25] f2fs_balance_fs+0x339/0x3e0 [ 163.954704][ T25] ? f2fs_commit_inmem_pages+0x280/0x280 [ 163.960343][ T25] ? f2fs_update_inode+0x10b9/0x1960 [ 163.965638][ T25] ? f2fs_put_page+0x12a/0x1b0 [ 163.970391][ T25] f2fs_write_inode+0x672/0x720 [ 163.975251][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 163.980626][ T25] write_inode+0xf8/0x2a0 [ 163.984969][ T25] __writeback_single_inode+0x37a/0x6e0 [ 163.990593][ T25] writeback_sb_inodes+0x999/0x1700 [ 163.995807][ T25] ? queue_io+0x500/0x500 [ 164.000139][ T25] ? writeback_sb_inodes+0x1700/0x1700 [ 164.005615][ T25] ? queue_io+0x3c7/0x500 [ 164.009945][ T25] wb_writeback+0x42f/0xc20 [ 164.014481][ T25] ? enqueue_timer+0x1d1/0x470 [ 164.019246][ T25] ? wb_io_lists_depopulated+0x180/0x180 [ 164.024891][ T25] ? widen_string+0x41/0x3a0 [ 164.029522][ T25] ? __kasan_check_write+0x14/0x20 [ 164.034645][ T25] wb_do_writeback+0x222/0xbd0 [ 164.039405][ T25] ? wb_workfn+0x3f0/0x3f0 [ 164.043811][ T25] ? compat_start_thread+0x80/0x80 [ 164.048927][ T25] ? pick_next_task_fair+0x160/0xd70 [ 164.054217][ T25] ? set_worker_desc+0x158/0x1c0 [ 164.059132][ T25] ? work_busy+0x250/0x250 [ 164.063524][ T25] ? finish_task_switch+0x130/0x580 [ 164.068727][ T25] ? __switch_to_asm+0x34/0x60 [ 164.073482][ T25] ? kthread_data+0x52/0xc0 [ 164.077998][ T25] wb_workfn+0xf8/0x3f0 [ 164.082151][ T25] process_one_work+0x726/0xc10 [ 164.087011][ T25] worker_thread+0xb27/0x1550 [ 164.091679][ T25] ? __kthread_parkme+0xba/0x1d0 [ 164.096625][ T25] kthread+0x349/0x3d0 [ 164.100684][ T25] ? worker_clr_flags+0x180/0x180 [ 164.105714][ T25] ? kthread_blkcg+0xd0/0xd0 [ 164.110295][ T25] ret_from_fork+0x1f/0x30 [ 164.114754][ T25] INFO: task syz-executor.0:406 blocked for more than 123 seconds. [ 164.122649][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 164.128904][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 164.137592][ T25] task:syz-executor.0 state:D stack: 0 pid: 406 ppid: 1 flags:0x00004004 [ 164.146799][ T25] Call Trace: [ 164.150084][ T25] __schedule+0x866/0xc00 [ 164.154438][ T25] ? release_firmware_map_entry+0x194/0x194 [ 164.160337][ T25] ? init_wait_entry+0xe0/0xe0 [ 164.165118][ T25] schedule+0x14b/0x1e0 [ 164.169266][ T25] wb_wait_for_completion+0x155/0x280 [ 164.174654][ T25] ? __bpf_trace_writeback_inode_template+0x30/0x30 [ 164.181235][ T25] ? io_schedule+0x120/0x120 [ 164.185840][ T25] __writeback_inodes_sb_nr+0x2f0/0x3d0 [ 164.191378][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 164.196806][ T25] ? writeback_inodes_sb_nr+0x30/0x30 [ 164.202172][ T25] ? cpumask_next+0x23/0x30 [ 164.206688][ T25] ? get_nr_dirty_inodes+0x2bd/0x330 [ 164.211965][ T25] writeback_inodes_sb+0x81/0x90 [ 164.216911][ T25] sync_filesystem+0xa8/0x250 [ 164.221752][ T25] ? shrink_dcache_for_umount+0xde/0x1a0 [ 164.227391][ T25] generic_shutdown_super+0x6e/0x2c0 [ 164.232667][ T25] kill_block_super+0x80/0xe0 [ 164.237362][ T25] kill_f2fs_super+0x2f3/0x3c0 [ 164.242116][ T25] ? unregister_shrinker+0x20c/0x280 [ 164.247412][ T25] ? f2fs_mount+0x40/0x40 [ 164.251733][ T25] ? unregister_shrinker+0x20c/0x280 [ 164.257140][ T25] deactivate_locked_super+0xb0/0x100 [ 164.262516][ T25] deactivate_super+0xa5/0xd0 [ 164.267241][ T25] cleanup_mnt+0x45f/0x510 [ 164.271674][ T25] __cleanup_mnt+0x19/0x20 [ 164.276200][ T25] task_work_run+0x147/0x1b0 [ 164.280909][ T25] exit_to_user_mode_loop+0xc8/0xe0 [ 164.286147][ T25] syscall_exit_to_user_mode+0x77/0xa0 [ 164.291605][ T25] do_syscall_64+0x40/0x70 [ 164.296046][ T25] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 164.301956][ T25] RIP: 0033:0x7fc8647e1a17 [ 164.306442][ T25] RSP: 002b:00007ffea3b69928 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 164.315048][ T25] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc8647e1a17 [ 164.323026][ T25] RDX: 00007ffea3b699f9 RSI: 000000000000000a RDI: 00007ffea3b699f0 [ 164.331041][ T25] RBP: 00007ffea3b699f0 R08: 00000000ffffffff R09: 00007ffea3b697c0 [ 164.339043][ T25] R10: 00005555573e0793 R11: 0000000000000246 R12: 00007fc86483a5f6 [ 164.347226][ T25] R13: 00007ffea3b6aab0 R14: 00005555573e06f0 R15: 00007ffea3b6aaf0 [ 164.355336][ T25] NMI backtrace for cpu 0 [ 164.359645][ T25] CPU: 0 PID: 25 Comm: khungtaskd Not tainted 5.10.149-syzkaller-dirty #0 [ 164.368277][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 164.378320][ T25] Call Trace: [ 164.381617][ T25] dump_stack_lvl+0x1e2/0x24b [ 164.386287][ T25] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 164.392429][ T25] ? bfq_pos_tree_add_move+0x43e/0x43e [ 164.397869][ T25] ? rcu_read_unlock_special+0xdb/0x4c0 [ 164.403395][ T25] ? __rcu_read_unlock+0x90/0x90 [ 164.408472][ T25] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.414534][ T25] dump_stack+0x15/0x17 [ 164.418675][ T25] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 164.424637][ T25] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.430695][ T25] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 164.436913][ T25] ? __kasan_check_write+0x14/0x20 [ 164.442010][ T25] ? hung_task_panic+0x20/0x20 [ 164.446750][ T25] watchdog+0x13e/0x170 [ 164.450891][ T25] kthread+0x349/0x3d0 [ 164.454938][ T25] ? hungtask_pm_notify+0x50/0x50 [ 164.459939][ T25] ? kthread_blkcg+0xd0/0xd0 [ 164.464505][ T25] ret_from_fork+0x1f/0x30 [ 164.468991][ T25] Sending NMI from CPU 0 to CPUs 1: [ 164.474244][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_enter+0x414/0x6d0 [ 184.854149][ T25] INFO: task kworker/u4:2:177 blocked for more than 143 seconds. [ 184.862088][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 184.868590][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 184.877276][ T25] task:kworker/u4:2 state:D stack: 0 pid: 177 ppid: 2 flags:0x00004000 [ 184.886490][ T25] Workqueue: writeback wb_workfn (flush-7:0) [ 184.892464][ T25] Call Trace: [ 184.895775][ T25] __schedule+0x866/0xc00 [ 184.900109][ T25] ? release_firmware_map_entry+0x194/0x194 [ 184.906088][ T25] ? wq_worker_sleeping+0x62/0x210 [ 184.911253][ T25] schedule+0x14b/0x1e0 [ 184.915422][ T25] io_schedule+0x8e/0x120 [ 184.919785][ T25] wait_on_page_bit_common+0x6da/0xc40 [ 184.925249][ T25] ? xas_start+0x2fa/0x390 [ 184.929658][ T25] ? wait_on_page_bit+0x50/0x50 [ 184.934518][ T25] ? page_mapcount+0xf0/0xf0 [ 184.939118][ T25] pagecache_get_page+0x208/0x850 [ 184.944159][ T25] __get_node_page+0x1e9/0xb90 [ 184.948924][ T25] ? rwsem_set_reader_owned+0x65/0x120 [ 184.954392][ T25] ? read_node_page+0x790/0x790 [ 184.959286][ T25] ? __down_read+0xe0/0x2c0 [ 184.963770][ T25] ? radix_tree_node_alloc+0xbe/0x3c0 [ 184.969166][ T25] ? __init_rwsem+0x1c0/0x1c0 [ 184.973836][ T25] ? __kasan_check_read+0x11/0x20 [ 184.978891][ T25] f2fs_get_node_page+0x21/0x30 [ 184.983740][ T25] gc_data_segment+0x93c/0x3140 [ 184.988608][ T25] ? PageUptodate+0xc0/0xc0 [ 184.993110][ T25] ? page_cache_prev_miss+0x430/0x430 [ 184.998494][ T25] ? page_ext_put+0x1c/0x30 [ 185.003017][ T25] ? __page_pinner_migration_failed+0xe5/0x250 [ 185.009185][ T25] ? __reset_page_pinner+0x4d0/0x4d0 [ 185.014480][ T25] ? pagecache_get_page+0x766/0x850 [ 185.019668][ T25] do_garbage_collect+0xd3f/0x1de0 [ 185.024788][ T25] ? has_not_enough_free_secs+0x940/0x940 [ 185.030513][ T25] ? __kasan_check_write+0x14/0x20 [ 185.035632][ T25] ? __down_write+0x119/0x320 [ 185.040312][ T25] ? __kasan_check_write+0x14/0x20 [ 185.045434][ T25] ? __up_write+0x66/0x1d0 [ 185.049846][ T25] f2fs_gc+0x89e/0x19c0 [ 185.053985][ T25] ? f2fs_start_bidx_of_node+0x370/0x370 [ 185.059633][ T25] ? __down_write+0x119/0x320 [ 185.064317][ T25] ? has_not_enough_free_secs+0x408/0x910 [ 185.070019][ T25] f2fs_balance_fs+0x339/0x3e0 [ 185.074791][ T25] ? f2fs_commit_inmem_pages+0x280/0x280 [ 185.080422][ T25] ? f2fs_update_inode+0x10b9/0x1960 [ 185.085713][ T25] ? f2fs_put_page+0x12a/0x1b0 [ 185.090478][ T25] f2fs_write_inode+0x672/0x720 [ 185.095364][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 185.100832][ T25] write_inode+0xf8/0x2a0 [ 185.105188][ T25] __writeback_single_inode+0x37a/0x6e0 [ 185.110725][ T25] writeback_sb_inodes+0x999/0x1700 [ 185.115936][ T25] ? queue_io+0x500/0x500 [ 185.120267][ T25] ? writeback_sb_inodes+0x1700/0x1700 [ 185.125735][ T25] ? queue_io+0x3c7/0x500 [ 185.130067][ T25] wb_writeback+0x42f/0xc20 [ 185.134581][ T25] ? enqueue_timer+0x1d1/0x470 [ 185.139346][ T25] ? wb_io_lists_depopulated+0x180/0x180 [ 185.145042][ T25] ? widen_string+0x41/0x3a0 [ 185.149626][ T25] ? __kasan_check_write+0x14/0x20 [ 185.154744][ T25] wb_do_writeback+0x222/0xbd0 [ 185.159501][ T25] ? wb_workfn+0x3f0/0x3f0 [ 185.163897][ T25] ? compat_start_thread+0x80/0x80 [ 185.169015][ T25] ? pick_next_task_fair+0x160/0xd70 [ 185.174306][ T25] ? set_worker_desc+0x158/0x1c0 [ 185.179225][ T25] ? work_busy+0x250/0x250 [ 185.183618][ T25] ? finish_task_switch+0x130/0x580 [ 185.188822][ T25] ? __switch_to_asm+0x34/0x60 [ 185.193579][ T25] ? kthread_data+0x52/0xc0 [ 185.198097][ T25] wb_workfn+0xf8/0x3f0 [ 185.202253][ T25] process_one_work+0x726/0xc10 [ 185.207114][ T25] worker_thread+0xb27/0x1550 [ 185.211786][ T25] ? __kthread_parkme+0xba/0x1d0 [ 185.216750][ T25] kthread+0x349/0x3d0 [ 185.220817][ T25] ? worker_clr_flags+0x180/0x180 [ 185.225848][ T25] ? kthread_blkcg+0xd0/0xd0 [ 185.230427][ T25] ret_from_fork+0x1f/0x30 [ 185.234964][ T25] INFO: task syz-executor.0:406 blocked for more than 144 seconds. [ 185.242848][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 185.249096][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 185.257770][ T25] task:syz-executor.0 state:D stack: 0 pid: 406 ppid: 1 flags:0x00004004 [ 185.266965][ T25] Call Trace: [ 185.270247][ T25] __schedule+0x866/0xc00 [ 185.274644][ T25] ? release_firmware_map_entry+0x194/0x194 [ 185.280541][ T25] ? init_wait_entry+0xe0/0xe0 [ 185.285341][ T25] schedule+0x14b/0x1e0 [ 185.289486][ T25] wb_wait_for_completion+0x155/0x280 [ 185.294872][ T25] ? __bpf_trace_writeback_inode_template+0x30/0x30 [ 185.301508][ T25] ? io_schedule+0x120/0x120 [ 185.306146][ T25] __writeback_inodes_sb_nr+0x2f0/0x3d0 [ 185.311690][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 185.317093][ T25] ? writeback_inodes_sb_nr+0x30/0x30 [ 185.322464][ T25] ? cpumask_next+0x23/0x30 [ 185.326979][ T25] ? get_nr_dirty_inodes+0x2bd/0x330 [ 185.332259][ T25] writeback_inodes_sb+0x81/0x90 [ 185.337222][ T25] sync_filesystem+0xa8/0x250 [ 185.341902][ T25] ? shrink_dcache_for_umount+0xde/0x1a0 [ 185.347550][ T25] generic_shutdown_super+0x6e/0x2c0 [ 185.352828][ T25] kill_block_super+0x80/0xe0 [ 185.357525][ T25] kill_f2fs_super+0x2f3/0x3c0 [ 185.362370][ T25] ? unregister_shrinker+0x20c/0x280 [ 185.367682][ T25] ? f2fs_mount+0x40/0x40 [ 185.372006][ T25] ? unregister_shrinker+0x20c/0x280 [ 185.377531][ T25] deactivate_locked_super+0xb0/0x100 [ 185.382896][ T25] deactivate_super+0xa5/0xd0 [ 185.387582][ T25] cleanup_mnt+0x45f/0x510 [ 185.391995][ T25] __cleanup_mnt+0x19/0x20 [ 185.396423][ T25] task_work_run+0x147/0x1b0 [ 185.401022][ T25] exit_to_user_mode_loop+0xc8/0xe0 [ 185.406263][ T25] syscall_exit_to_user_mode+0x77/0xa0 [ 185.411717][ T25] do_syscall_64+0x40/0x70 [ 185.416150][ T25] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 185.422036][ T25] RIP: 0033:0x7fc8647e1a17 [ 185.426463][ T25] RSP: 002b:00007ffea3b69928 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 185.434891][ T25] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc8647e1a17 [ 185.442844][ T25] RDX: 00007ffea3b699f9 RSI: 000000000000000a RDI: 00007ffea3b699f0 [ 185.450826][ T25] RBP: 00007ffea3b699f0 R08: 00000000ffffffff R09: 00007ffea3b697c0 [ 185.458807][ T25] R10: 00005555573e0793 R11: 0000000000000246 R12: 00007fc86483a5f6 [ 185.466815][ T25] R13: 00007ffea3b6aab0 R14: 00005555573e06f0 R15: 00007ffea3b6aaf0 [ 185.474799][ T25] NMI backtrace for cpu 1 [ 185.479110][ T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.10.149-syzkaller-dirty #0 [ 185.487581][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 185.497613][ T25] Call Trace: [ 185.500882][ T25] dump_stack_lvl+0x1e2/0x24b [ 185.505537][ T25] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 185.511667][ T25] ? bfq_pos_tree_add_move+0x43e/0x43e [ 185.517103][ T25] ? rcu_read_unlock_special+0xdb/0x4c0 [ 185.522624][ T25] ? __rcu_read_unlock+0x90/0x90 [ 185.527540][ T25] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 185.533582][ T25] dump_stack+0x15/0x17 [ 185.537715][ T25] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 185.543670][ T25] arch_trigger_cpumask_backtrace+0x10/0x20 [ 185.549540][ T25] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 185.555759][ T25] ? __kasan_check_write+0x14/0x20 [ 185.560848][ T25] ? hung_task_panic+0x20/0x20 [ 185.565590][ T25] watchdog+0x13e/0x170 [ 185.569724][ T25] kthread+0x349/0x3d0 [ 185.573768][ T25] ? hungtask_pm_notify+0x50/0x50 [ 185.578769][ T25] ? kthread_blkcg+0xd0/0xd0 [ 185.583336][ T25] ret_from_fork+0x1f/0x30 [ 185.587781][ T25] Sending NMI from CPU 1 to CPUs 0: [ 185.593019][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x414/0x6d0 [ 205.974123][ T25] INFO: task kworker/u4:2:177 blocked for more than 164 seconds. [ 205.981850][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 205.988137][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 205.996833][ T25] task:kworker/u4:2 state:D stack: 0 pid: 177 ppid: 2 flags:0x00004000 [ 206.006063][ T25] Workqueue: writeback wb_workfn (flush-7:0) [ 206.012049][ T25] Call Trace: [ 206.015350][ T25] __schedule+0x866/0xc00 [ 206.019682][ T25] ? release_firmware_map_entry+0x194/0x194 [ 206.025615][ T25] ? wq_worker_sleeping+0x62/0x210 [ 206.030725][ T25] schedule+0x14b/0x1e0 [ 206.034894][ T25] io_schedule+0x8e/0x120 [ 206.039222][ T25] wait_on_page_bit_common+0x6da/0xc40 [ 206.044688][ T25] ? xas_start+0x2fa/0x390 [ 206.049097][ T25] ? wait_on_page_bit+0x50/0x50 [ 206.053928][ T25] ? page_mapcount+0xf0/0xf0 [ 206.058530][ T25] pagecache_get_page+0x208/0x850 [ 206.063554][ T25] __get_node_page+0x1e9/0xb90 [ 206.068327][ T25] ? rwsem_set_reader_owned+0x65/0x120 [ 206.073783][ T25] ? read_node_page+0x790/0x790 [ 206.078639][ T25] ? __down_read+0xe0/0x2c0 [ 206.083132][ T25] ? radix_tree_node_alloc+0xbe/0x3c0 [ 206.088509][ T25] ? __init_rwsem+0x1c0/0x1c0 [ 206.093186][ T25] ? __kasan_check_read+0x11/0x20 [ 206.098225][ T25] f2fs_get_node_page+0x21/0x30 [ 206.103075][ T25] gc_data_segment+0x93c/0x3140 [ 206.107938][ T25] ? PageUptodate+0xc0/0xc0 [ 206.112442][ T25] ? page_cache_prev_miss+0x430/0x430 [ 206.117825][ T25] ? page_ext_put+0x1c/0x30 [ 206.122325][ T25] ? __page_pinner_migration_failed+0xe5/0x250 [ 206.128491][ T25] ? __reset_page_pinner+0x4d0/0x4d0 [ 206.133853][ T25] ? pagecache_get_page+0x766/0x850 [ 206.139063][ T25] do_garbage_collect+0xd3f/0x1de0 [ 206.144190][ T25] ? has_not_enough_free_secs+0x940/0x940 [ 206.149887][ T25] ? __kasan_check_write+0x14/0x20 [ 206.155005][ T25] ? __down_write+0x119/0x320 [ 206.159677][ T25] ? __kasan_check_write+0x14/0x20 [ 206.164794][ T25] ? __up_write+0x66/0x1d0 [ 206.169209][ T25] f2fs_gc+0x89e/0x19c0 [ 206.173346][ T25] ? f2fs_start_bidx_of_node+0x370/0x370 [ 206.178983][ T25] ? __down_write+0x119/0x320 [ 206.183648][ T25] ? has_not_enough_free_secs+0x408/0x910 [ 206.189373][ T25] f2fs_balance_fs+0x339/0x3e0 [ 206.194148][ T25] ? f2fs_commit_inmem_pages+0x280/0x280 [ 206.199760][ T25] ? f2fs_update_inode+0x10b9/0x1960 [ 206.205057][ T25] ? f2fs_put_page+0x12a/0x1b0 [ 206.209819][ T25] f2fs_write_inode+0x672/0x720 [ 206.214682][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 206.220063][ T25] write_inode+0xf8/0x2a0 [ 206.224400][ T25] __writeback_single_inode+0x37a/0x6e0 [ 206.229946][ T25] writeback_sb_inodes+0x999/0x1700 [ 206.235156][ T25] ? queue_io+0x500/0x500 [ 206.239482][ T25] ? writeback_sb_inodes+0x1700/0x1700 [ 206.244947][ T25] ? queue_io+0x3c7/0x500 [ 206.249278][ T25] wb_writeback+0x42f/0xc20 [ 206.253792][ T25] ? enqueue_timer+0x1d1/0x470 [ 206.258566][ T25] ? wb_io_lists_depopulated+0x180/0x180 [ 206.264211][ T25] ? widen_string+0x41/0x3a0 [ 206.268794][ T25] ? __kasan_check_write+0x14/0x20 [ 206.273885][ T25] wb_do_writeback+0x222/0xbd0 [ 206.278658][ T25] ? wb_workfn+0x3f0/0x3f0 [ 206.283089][ T25] ? compat_start_thread+0x80/0x80 [ 206.288221][ T25] ? pick_next_task_fair+0x160/0xd70 [ 206.293502][ T25] ? set_worker_desc+0x158/0x1c0 [ 206.298454][ T25] ? work_busy+0x250/0x250 [ 206.302863][ T25] ? finish_task_switch+0x130/0x580 [ 206.308075][ T25] ? __switch_to_asm+0x34/0x60 [ 206.312848][ T25] ? kthread_data+0x52/0xc0 [ 206.317363][ T25] wb_workfn+0xf8/0x3f0 [ 206.321520][ T25] process_one_work+0x726/0xc10 [ 206.326380][ T25] worker_thread+0xb27/0x1550 [ 206.331060][ T25] ? __kthread_parkme+0xba/0x1d0 [ 206.336029][ T25] kthread+0x349/0x3d0 [ 206.340095][ T25] ? worker_clr_flags+0x180/0x180 [ 206.345126][ T25] ? kthread_blkcg+0xd0/0xd0 [ 206.349715][ T25] ret_from_fork+0x1f/0x30 [ 206.354163][ T25] INFO: task syz-executor.0:406 blocked for more than 165 seconds. [ 206.362042][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 206.368287][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 206.376956][ T25] task:syz-executor.0 state:D stack: 0 pid: 406 ppid: 1 flags:0x00004004 [ 206.386147][ T25] Call Trace: [ 206.389444][ T25] __schedule+0x866/0xc00 [ 206.393752][ T25] ? release_firmware_map_entry+0x194/0x194 [ 206.399660][ T25] ? init_wait_entry+0xe0/0xe0 [ 206.404528][ T25] schedule+0x14b/0x1e0 [ 206.408680][ T25] wb_wait_for_completion+0x155/0x280 [ 206.414199][ T25] ? __bpf_trace_writeback_inode_template+0x30/0x30 [ 206.420796][ T25] ? io_schedule+0x120/0x120 [ 206.425397][ T25] __writeback_inodes_sb_nr+0x2f0/0x3d0 [ 206.430931][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 206.436310][ T25] ? writeback_inodes_sb_nr+0x30/0x30 [ 206.441671][ T25] ? cpumask_next+0x23/0x30 [ 206.446194][ T25] ? get_nr_dirty_inodes+0x2bd/0x330 [ 206.451478][ T25] writeback_inodes_sb+0x81/0x90 [ 206.456447][ T25] sync_filesystem+0xa8/0x250 [ 206.461125][ T25] ? shrink_dcache_for_umount+0xde/0x1a0 [ 206.466766][ T25] generic_shutdown_super+0x6e/0x2c0 [ 206.472041][ T25] kill_block_super+0x80/0xe0 [ 206.476729][ T25] kill_f2fs_super+0x2f3/0x3c0 [ 206.481488][ T25] ? unregister_shrinker+0x20c/0x280 [ 206.486784][ T25] ? f2fs_mount+0x40/0x40 [ 206.491109][ T25] ? unregister_shrinker+0x20c/0x280 [ 206.496399][ T25] deactivate_locked_super+0xb0/0x100 [ 206.501760][ T25] deactivate_super+0xa5/0xd0 [ 206.506452][ T25] cleanup_mnt+0x45f/0x510 [ 206.510867][ T25] __cleanup_mnt+0x19/0x20 [ 206.515293][ T25] task_work_run+0x147/0x1b0 [ 206.519879][ T25] exit_to_user_mode_loop+0xc8/0xe0 [ 206.525086][ T25] syscall_exit_to_user_mode+0x77/0xa0 [ 206.530550][ T25] do_syscall_64+0x40/0x70 [ 206.534978][ T25] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 206.540865][ T25] RIP: 0033:0x7fc8647e1a17 [ 206.545283][ T25] RSP: 002b:00007ffea3b69928 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 206.553686][ T25] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc8647e1a17 [ 206.561661][ T25] RDX: 00007ffea3b699f9 RSI: 000000000000000a RDI: 00007ffea3b699f0 [ 206.569639][ T25] RBP: 00007ffea3b699f0 R08: 00000000ffffffff R09: 00007ffea3b697c0 [ 206.577638][ T25] R10: 00005555573e0793 R11: 0000000000000246 R12: 00007fc86483a5f6 [ 206.585615][ T25] R13: 00007ffea3b6aab0 R14: 00005555573e06f0 R15: 00007ffea3b6aaf0 [ 206.593574][ T25] NMI backtrace for cpu 1 [ 206.597905][ T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.10.149-syzkaller-dirty #0 [ 206.606385][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 206.616415][ T25] Call Trace: [ 206.619683][ T25] dump_stack_lvl+0x1e2/0x24b [ 206.624338][ T25] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 206.630465][ T25] ? bfq_pos_tree_add_move+0x43e/0x43e [ 206.635898][ T25] ? rcu_read_unlock_special+0xdb/0x4c0 [ 206.641435][ T25] ? __rcu_read_unlock+0x90/0x90 [ 206.646352][ T25] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 206.652398][ T25] dump_stack+0x15/0x17 [ 206.656529][ T25] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 206.662500][ T25] arch_trigger_cpumask_backtrace+0x10/0x20 [ 206.668373][ T25] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 206.674588][ T25] ? __kasan_check_write+0x14/0x20 [ 206.679674][ T25] ? hung_task_panic+0x20/0x20 [ 206.684418][ T25] watchdog+0x13e/0x170 [ 206.688558][ T25] kthread+0x349/0x3d0 [ 206.692605][ T25] ? hungtask_pm_notify+0x50/0x50 [ 206.697604][ T25] ? kthread_blkcg+0xd0/0xd0 [ 206.702169][ T25] ret_from_fork+0x1f/0x30 [ 206.706616][ T25] Sending NMI from CPU 1 to CPUs 0: [ 206.711843][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x414/0x6d0 [ 227.094129][ T25] INFO: task kworker/u4:2:177 blocked for more than 186 seconds. [ 227.101853][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 227.108127][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 227.116809][ T25] task:kworker/u4:2 state:D stack: 0 pid: 177 ppid: 2 flags:0x00004000 [ 227.126062][ T25] Workqueue: writeback wb_workfn (flush-7:0) [ 227.132046][ T25] Call Trace: [ 227.135363][ T25] __schedule+0x866/0xc00 [ 227.139693][ T25] ? release_firmware_map_entry+0x194/0x194 [ 227.145606][ T25] ? wq_worker_sleeping+0x62/0x210 [ 227.150727][ T25] schedule+0x14b/0x1e0 [ 227.154992][ T25] io_schedule+0x8e/0x120 [ 227.159342][ T25] wait_on_page_bit_common+0x6da/0xc40 [ 227.164810][ T25] ? xas_start+0x2fa/0x390 [ 227.169218][ T25] ? wait_on_page_bit+0x50/0x50 [ 227.174091][ T25] ? page_mapcount+0xf0/0xf0 [ 227.178675][ T25] pagecache_get_page+0x208/0x850 [ 227.183691][ T25] __get_node_page+0x1e9/0xb90 [ 227.188467][ T25] ? rwsem_set_reader_owned+0x65/0x120 [ 227.193932][ T25] ? read_node_page+0x790/0x790 [ 227.198788][ T25] ? __down_read+0xe0/0x2c0 [ 227.203283][ T25] ? radix_tree_node_alloc+0xbe/0x3c0 [ 227.208882][ T25] ? __init_rwsem+0x1c0/0x1c0 [ 227.213550][ T25] ? __kasan_check_read+0x11/0x20 [ 227.218595][ T25] f2fs_get_node_page+0x21/0x30 [ 227.223446][ T25] gc_data_segment+0x93c/0x3140 [ 227.228315][ T25] ? PageUptodate+0xc0/0xc0 [ 227.232817][ T25] ? page_cache_prev_miss+0x430/0x430 [ 227.238199][ T25] ? page_ext_put+0x1c/0x30 [ 227.242709][ T25] ? __page_pinner_migration_failed+0xe5/0x250 [ 227.248869][ T25] ? __reset_page_pinner+0x4d0/0x4d0 [ 227.254192][ T25] ? pagecache_get_page+0x766/0x850 [ 227.259383][ T25] do_garbage_collect+0xd3f/0x1de0 [ 227.264522][ T25] ? has_not_enough_free_secs+0x940/0x940 [ 227.270236][ T25] ? __kasan_check_write+0x14/0x20 [ 227.275363][ T25] ? __down_write+0x119/0x320 [ 227.280042][ T25] ? __kasan_check_write+0x14/0x20 [ 227.285158][ T25] ? __up_write+0x66/0x1d0 [ 227.289568][ T25] f2fs_gc+0x89e/0x19c0 [ 227.293727][ T25] ? f2fs_start_bidx_of_node+0x370/0x370 [ 227.299364][ T25] ? __down_write+0x119/0x320 [ 227.304055][ T25] ? has_not_enough_free_secs+0x408/0x910 [ 227.309754][ T25] f2fs_balance_fs+0x339/0x3e0 [ 227.314523][ T25] ? f2fs_commit_inmem_pages+0x280/0x280 [ 227.320146][ T25] ? f2fs_update_inode+0x10b9/0x1960 [ 227.325454][ T25] ? f2fs_put_page+0x12a/0x1b0 [ 227.330218][ T25] f2fs_write_inode+0x672/0x720 [ 227.335215][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 227.340594][ T25] write_inode+0xf8/0x2a0 [ 227.344970][ T25] __writeback_single_inode+0x37a/0x6e0 [ 227.350522][ T25] writeback_sb_inodes+0x999/0x1700 [ 227.355754][ T25] ? queue_io+0x500/0x500 [ 227.360090][ T25] ? writeback_sb_inodes+0x1700/0x1700 [ 227.365563][ T25] ? queue_io+0x3c7/0x500 [ 227.369892][ T25] wb_writeback+0x42f/0xc20 [ 227.374405][ T25] ? enqueue_timer+0x1d1/0x470 [ 227.379182][ T25] ? wb_io_lists_depopulated+0x180/0x180 [ 227.384864][ T25] ? widen_string+0x41/0x3a0 [ 227.389473][ T25] ? __kasan_check_write+0x14/0x20 [ 227.394604][ T25] wb_do_writeback+0x222/0xbd0 [ 227.399368][ T25] ? wb_workfn+0x3f0/0x3f0 [ 227.403767][ T25] ? compat_start_thread+0x80/0x80 [ 227.408895][ T25] ? pick_next_task_fair+0x160/0xd70 [ 227.414199][ T25] ? set_worker_desc+0x158/0x1c0 [ 227.419122][ T25] ? work_busy+0x250/0x250 [ 227.423523][ T25] ? finish_task_switch+0x130/0x580 [ 227.428744][ T25] ? __switch_to_asm+0x34/0x60 [ 227.433513][ T25] ? kthread_data+0x52/0xc0 [ 227.438029][ T25] wb_workfn+0xf8/0x3f0 [ 227.442185][ T25] process_one_work+0x726/0xc10 [ 227.447065][ T25] worker_thread+0xb27/0x1550 [ 227.451748][ T25] ? __kthread_parkme+0xba/0x1d0 [ 227.456700][ T25] kthread+0x349/0x3d0 [ 227.460766][ T25] ? worker_clr_flags+0x180/0x180 [ 227.465802][ T25] ? kthread_blkcg+0xd0/0xd0 [ 227.470405][ T25] ret_from_fork+0x1f/0x30 [ 227.474868][ T25] INFO: task syz-executor.0:406 blocked for more than 186 seconds. [ 227.482752][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 227.489001][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 227.497672][ T25] task:syz-executor.0 state:D stack: 0 pid: 406 ppid: 1 flags:0x00004004 [ 227.506868][ T25] Call Trace: [ 227.510166][ T25] __schedule+0x866/0xc00 [ 227.514560][ T25] ? release_firmware_map_entry+0x194/0x194 [ 227.520456][ T25] ? init_wait_entry+0xe0/0xe0 [ 227.525241][ T25] schedule+0x14b/0x1e0 [ 227.529393][ T25] wb_wait_for_completion+0x155/0x280 [ 227.534788][ T25] ? __bpf_trace_writeback_inode_template+0x30/0x30 [ 227.541369][ T25] ? io_schedule+0x120/0x120 [ 227.545986][ T25] __writeback_inodes_sb_nr+0x2f0/0x3d0 [ 227.551523][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 227.556905][ T25] ? writeback_inodes_sb_nr+0x30/0x30 [ 227.562269][ T25] ? cpumask_next+0x23/0x30 [ 227.566785][ T25] ? get_nr_dirty_inodes+0x2bd/0x330 [ 227.572065][ T25] writeback_inodes_sb+0x81/0x90 [ 227.577019][ T25] sync_filesystem+0xa8/0x250 [ 227.581688][ T25] ? shrink_dcache_for_umount+0xde/0x1a0 [ 227.587332][ T25] generic_shutdown_super+0x6e/0x2c0 [ 227.592611][ T25] kill_block_super+0x80/0xe0 [ 227.597303][ T25] kill_f2fs_super+0x2f3/0x3c0 [ 227.602151][ T25] ? unregister_shrinker+0x20c/0x280 [ 227.607715][ T25] ? f2fs_mount+0x40/0x40 [ 227.612041][ T25] ? unregister_shrinker+0x20c/0x280 [ 227.617335][ T25] deactivate_locked_super+0xb0/0x100 [ 227.622702][ T25] deactivate_super+0xa5/0xd0 [ 227.627391][ T25] cleanup_mnt+0x45f/0x510 [ 227.631798][ T25] __cleanup_mnt+0x19/0x20 [ 227.636233][ T25] task_work_run+0x147/0x1b0 [ 227.640813][ T25] exit_to_user_mode_loop+0xc8/0xe0 [ 227.646021][ T25] syscall_exit_to_user_mode+0x77/0xa0 [ 227.651477][ T25] do_syscall_64+0x40/0x70 [ 227.655907][ T25] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 227.661788][ T25] RIP: 0033:0x7fc8647e1a17 [ 227.666208][ T25] RSP: 002b:00007ffea3b69928 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 227.674646][ T25] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc8647e1a17 [ 227.682613][ T25] RDX: 00007ffea3b699f9 RSI: 000000000000000a RDI: 00007ffea3b699f0 [ 227.690594][ T25] RBP: 00007ffea3b699f0 R08: 00000000ffffffff R09: 00007ffea3b697c0 [ 227.698581][ T25] R10: 00005555573e0793 R11: 0000000000000246 R12: 00007fc86483a5f6 [ 227.706560][ T25] R13: 00007ffea3b6aab0 R14: 00005555573e06f0 R15: 00007ffea3b6aaf0 [ 227.714655][ T25] NMI backtrace for cpu 0 [ 227.718987][ T25] CPU: 0 PID: 25 Comm: khungtaskd Not tainted 5.10.149-syzkaller-dirty #0 [ 227.727457][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 227.737499][ T25] Call Trace: [ 227.740780][ T25] dump_stack_lvl+0x1e2/0x24b [ 227.745444][ T25] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 227.751585][ T25] ? bfq_pos_tree_add_move+0x43e/0x43e [ 227.757029][ T25] ? rcu_read_unlock_special+0xdb/0x4c0 [ 227.762560][ T25] ? __rcu_read_unlock+0x90/0x90 [ 227.767485][ T25] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 227.773537][ T25] dump_stack+0x15/0x17 [ 227.777686][ T25] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 227.783651][ T25] arch_trigger_cpumask_backtrace+0x10/0x20 [ 227.789547][ T25] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 227.795774][ T25] ? __kasan_check_write+0x14/0x20 [ 227.800871][ T25] ? hung_task_panic+0x20/0x20 [ 227.805623][ T25] watchdog+0x13e/0x170 [ 227.809771][ T25] kthread+0x349/0x3d0 [ 227.813826][ T25] ? hungtask_pm_notify+0x50/0x50 [ 227.818839][ T25] ? kthread_blkcg+0xd0/0xd0 [ 227.823419][ T25] ret_from_fork+0x1f/0x30 [ 227.827880][ T25] Sending NMI from CPU 0 to CPUs 1: [ 227.833126][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_enter+0x414/0x6d0 [ 248.214173][ T25] INFO: task kworker/u4:2:177 blocked for more than 207 seconds. [ 248.221897][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 248.228386][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 248.237094][ T25] task:kworker/u4:2 state:D stack: 0 pid: 177 ppid: 2 flags:0x00004000 [ 248.246391][ T25] Workqueue: writeback wb_workfn (flush-7:0) [ 248.252365][ T25] Call Trace: [ 248.255695][ T25] __schedule+0x866/0xc00 [ 248.260012][ T25] ? release_firmware_map_entry+0x194/0x194 [ 248.265916][ T25] ? wq_worker_sleeping+0x62/0x210 [ 248.271024][ T25] schedule+0x14b/0x1e0 [ 248.275182][ T25] io_schedule+0x8e/0x120 [ 248.279508][ T25] wait_on_page_bit_common+0x6da/0xc40 [ 248.284972][ T25] ? xas_start+0x2fa/0x390 [ 248.289377][ T25] ? wait_on_page_bit+0x50/0x50 [ 248.294231][ T25] ? page_mapcount+0xf0/0xf0 [ 248.298835][ T25] pagecache_get_page+0x208/0x850 [ 248.303837][ T25] __get_node_page+0x1e9/0xb90 [ 248.308649][ T25] ? rwsem_set_reader_owned+0x65/0x120 [ 248.314137][ T25] ? read_node_page+0x790/0x790 [ 248.318999][ T25] ? __down_read+0xe0/0x2c0 [ 248.323484][ T25] ? radix_tree_node_alloc+0xbe/0x3c0 [ 248.329012][ T25] ? __init_rwsem+0x1c0/0x1c0 [ 248.333699][ T25] ? __kasan_check_read+0x11/0x20 [ 248.338762][ T25] f2fs_get_node_page+0x21/0x30 [ 248.343626][ T25] gc_data_segment+0x93c/0x3140 [ 248.348517][ T25] ? PageUptodate+0xc0/0xc0 [ 248.353022][ T25] ? page_cache_prev_miss+0x430/0x430 [ 248.358410][ T25] ? page_ext_put+0x1c/0x30 [ 248.362923][ T25] ? __page_pinner_migration_failed+0xe5/0x250 [ 248.369114][ T25] ? __reset_page_pinner+0x4d0/0x4d0 [ 248.374420][ T25] ? pagecache_get_page+0x766/0x850 [ 248.379598][ T25] do_garbage_collect+0xd3f/0x1de0 [ 248.384741][ T25] ? has_not_enough_free_secs+0x940/0x940 [ 248.390457][ T25] ? __kasan_check_write+0x14/0x20 [ 248.395575][ T25] ? __down_write+0x119/0x320 [ 248.400252][ T25] ? __kasan_check_write+0x14/0x20 [ 248.405365][ T25] ? __up_write+0x66/0x1d0 [ 248.409790][ T25] f2fs_gc+0x89e/0x19c0 [ 248.413926][ T25] ? f2fs_start_bidx_of_node+0x370/0x370 [ 248.419565][ T25] ? __down_write+0x119/0x320 [ 248.424250][ T25] ? has_not_enough_free_secs+0x408/0x910 [ 248.429947][ T25] f2fs_balance_fs+0x339/0x3e0 [ 248.434737][ T25] ? f2fs_commit_inmem_pages+0x280/0x280 [ 248.440387][ T25] ? f2fs_update_inode+0x10b9/0x1960 [ 248.445680][ T25] ? f2fs_put_page+0x12a/0x1b0 [ 248.450441][ T25] f2fs_write_inode+0x672/0x720 [ 248.455300][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 248.460691][ T25] write_inode+0xf8/0x2a0 [ 248.465050][ T25] __writeback_single_inode+0x37a/0x6e0 [ 248.470596][ T25] writeback_sb_inodes+0x999/0x1700 [ 248.475807][ T25] ? queue_io+0x500/0x500 [ 248.480136][ T25] ? writeback_sb_inodes+0x1700/0x1700 [ 248.485600][ T25] ? queue_io+0x3c7/0x500 [ 248.489933][ T25] wb_writeback+0x42f/0xc20 [ 248.494454][ T25] ? enqueue_timer+0x1d1/0x470 [ 248.499219][ T25] ? wb_io_lists_depopulated+0x180/0x180 [ 248.504859][ T25] ? widen_string+0x41/0x3a0 [ 248.509445][ T25] ? __kasan_check_write+0x14/0x20 [ 248.514568][ T25] wb_do_writeback+0x222/0xbd0 [ 248.519321][ T25] ? wb_workfn+0x3f0/0x3f0 [ 248.523732][ T25] ? compat_start_thread+0x80/0x80 [ 248.528854][ T25] ? pick_next_task_fair+0x160/0xd70 [ 248.534271][ T25] ? set_worker_desc+0x158/0x1c0 [ 248.539275][ T25] ? work_busy+0x250/0x250 [ 248.543682][ T25] ? finish_task_switch+0x130/0x580 [ 248.548890][ T25] ? __switch_to_asm+0x34/0x60 [ 248.553651][ T25] ? kthread_data+0x52/0xc0 [ 248.558166][ T25] wb_workfn+0xf8/0x3f0 [ 248.562323][ T25] process_one_work+0x726/0xc10 [ 248.567180][ T25] worker_thread+0xb27/0x1550 [ 248.571855][ T25] ? __kthread_parkme+0xba/0x1d0 [ 248.576797][ T25] kthread+0x349/0x3d0 [ 248.580866][ T25] ? worker_clr_flags+0x180/0x180 [ 248.585894][ T25] ? kthread_blkcg+0xd0/0xd0 [ 248.590481][ T25] ret_from_fork+0x1f/0x30 [ 248.594925][ T25] INFO: task syz-executor.0:406 blocked for more than 207 seconds. [ 248.602803][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 248.609043][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 248.617715][ T25] task:syz-executor.0 state:D stack: 0 pid: 406 ppid: 1 flags:0x00004004 [ 248.626910][ T25] Call Trace: [ 248.630189][ T25] __schedule+0x866/0xc00 [ 248.634518][ T25] ? release_firmware_map_entry+0x194/0x194 [ 248.640399][ T25] ? init_wait_entry+0xe0/0xe0 [ 248.645164][ T25] schedule+0x14b/0x1e0 [ 248.649310][ T25] wb_wait_for_completion+0x155/0x280 [ 248.654678][ T25] ? __bpf_trace_writeback_inode_template+0x30/0x30 [ 248.661252][ T25] ? io_schedule+0x120/0x120 [ 248.665849][ T25] __writeback_inodes_sb_nr+0x2f0/0x3d0 [ 248.671380][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 248.676765][ T25] ? writeback_inodes_sb_nr+0x30/0x30 [ 248.682134][ T25] ? cpumask_next+0x23/0x30 [ 248.686636][ T25] ? get_nr_dirty_inodes+0x2bd/0x330 [ 248.691917][ T25] writeback_inodes_sb+0x81/0x90 [ 248.696859][ T25] sync_filesystem+0xa8/0x250 [ 248.701536][ T25] ? shrink_dcache_for_umount+0xde/0x1a0 [ 248.707169][ T25] generic_shutdown_super+0x6e/0x2c0 [ 248.712443][ T25] kill_block_super+0x80/0xe0 [ 248.717125][ T25] kill_f2fs_super+0x2f3/0x3c0 [ 248.721889][ T25] ? unregister_shrinker+0x20c/0x280 [ 248.727192][ T25] ? f2fs_mount+0x40/0x40 [ 248.731508][ T25] ? unregister_shrinker+0x20c/0x280 [ 248.736883][ T25] deactivate_locked_super+0xb0/0x100 [ 248.742245][ T25] deactivate_super+0xa5/0xd0 [ 248.746924][ T25] cleanup_mnt+0x45f/0x510 [ 248.751334][ T25] __cleanup_mnt+0x19/0x20 [ 248.755765][ T25] task_work_run+0x147/0x1b0 [ 248.760371][ T25] exit_to_user_mode_loop+0xc8/0xe0 [ 248.765572][ T25] syscall_exit_to_user_mode+0x77/0xa0 [ 248.771024][ T25] do_syscall_64+0x40/0x70 [ 248.775446][ T25] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 248.781332][ T25] RIP: 0033:0x7fc8647e1a17 [ 248.785748][ T25] RSP: 002b:00007ffea3b69928 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 248.794191][ T25] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc8647e1a17 [ 248.802142][ T25] RDX: 00007ffea3b699f9 RSI: 000000000000000a RDI: 00007ffea3b699f0 [ 248.810112][ T25] RBP: 00007ffea3b699f0 R08: 00000000ffffffff R09: 00007ffea3b697c0 [ 248.818083][ T25] R10: 00005555573e0793 R11: 0000000000000246 R12: 00007fc86483a5f6 [ 248.826072][ T25] R13: 00007ffea3b6aab0 R14: 00005555573e06f0 R15: 00007ffea3b6aaf0 [ 248.834055][ T25] NMI backtrace for cpu 1 [ 248.838364][ T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.10.149-syzkaller-dirty #0 [ 248.846833][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 248.856873][ T25] Call Trace: [ 248.860141][ T25] dump_stack_lvl+0x1e2/0x24b [ 248.864795][ T25] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 248.870922][ T25] ? bfq_pos_tree_add_move+0x43e/0x43e [ 248.876356][ T25] ? rcu_read_unlock_special+0xdb/0x4c0 [ 248.881880][ T25] ? __rcu_read_unlock+0x90/0x90 [ 248.886808][ T25] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 248.892848][ T25] dump_stack+0x15/0x17 [ 248.896984][ T25] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 248.902939][ T25] arch_trigger_cpumask_backtrace+0x10/0x20 [ 248.908808][ T25] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 248.915026][ T25] ? __kasan_check_write+0x14/0x20 [ 248.920115][ T25] ? hung_task_panic+0x20/0x20 [ 248.924856][ T25] watchdog+0x13e/0x170 [ 248.928989][ T25] kthread+0x349/0x3d0 [ 248.933039][ T25] ? hungtask_pm_notify+0x50/0x50 [ 248.938046][ T25] ? kthread_blkcg+0xd0/0xd0 [ 248.942610][ T25] ret_from_fork+0x1f/0x30 [ 248.947050][ T25] Sending NMI from CPU 1 to CPUs 0: [ 248.952277][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x414/0x6d0