[ 18.970894][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 18.979973][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 18.988512][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 18.996925][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 19.010982][ T373] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 19.545567][ T9] device bridge_slave_1 left promiscuous mode [ 19.551745][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 19.559467][ T9] device bridge_slave_0 left promiscuous mode [ 19.566574][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.126056][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! Warning: Permanently added '10.128.1.91' (ECDSA) to the list of known hosts. 2022/11/10 13:21:42 ignoring optional flag "sandboxArg"="0" 2022/11/10 13:21:42 parsed 1 programs 2022/11/10 13:21:42 executed programs: 0 [ 37.241767][ T23] kauditd_printk_skb: 65 callbacks suppressed [ 37.241774][ T23] audit: type=1400 audit(1668086502.430:148): 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 [ 37.274106][ T23] audit: type=1400 audit(1668086502.440:149): 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 [ 37.296554][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.297569][ T23] audit: type=1400 audit(1668086502.460:150): 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 [ 37.304581][ T406] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.328613][ T23] audit: type=1400 audit(1668086502.460:151): 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 [ 37.336188][ T406] device bridge_slave_0 entered promiscuous mode [ 37.364255][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.371414][ T406] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.378721][ T406] device bridge_slave_1 entered promiscuous mode [ 37.403713][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.410774][ T406] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.418048][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.426140][ T406] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.441465][ T377] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.448949][ T377] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.456727][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 37.464066][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 37.472802][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 37.480939][ T383] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.487994][ T383] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.505818][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 37.514163][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 37.522366][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 37.530987][ T383] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.538061][ T383] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.545490][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 37.553359][ T383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 37.563997][ T377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 37.576959][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 37.585204][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 37.597632][ T23] audit: type=1400 audit(1668086502.790:152): 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 [ 37.624926][ T23] audit: type=1400 audit(1668086502.810:153): avc: denied { mounton } for pid=411 comm="syz-executor.0" path="/root/syzkaller-testdir3592174823/syzkaller.dW0J6M/0/file0" dev="sda1" ino=1148 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 37.642292][ T412] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 37.659827][ T412] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 37.669866][ T412] F2FS-fs (loop0): Found nat_bits in checkpoint [ 37.690949][ T412] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 37.698011][ T412] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 [ 37.705703][ T23] audit: type=1400 audit(1668086502.900:154): avc: denied { mount } for pid=411 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 [ 37.728129][ T23] audit: type=1400 audit(1668086502.900:155): avc: denied { write } for pid=411 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 [ 37.750510][ T23] audit: type=1400 audit(1668086502.900:156): avc: denied { add_name } for pid=411 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 37.771457][ T23] audit: type=1400 audit(1668086502.900:157): avc: denied { create } for pid=411 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 37.990548][ T9] F2FS-fs (loop0): Inconsistent ofs_in_node:50161 in summary, ino:8, nid:8, max:923 [ 163.825390][ T25] INFO: task kworker/u4:1:9 blocked for more than 122 seconds. [ 163.832948][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 163.839318][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 163.848147][ T25] task:kworker/u4:1 state:D stack: 0 pid: 9 ppid: 2 flags:0x00004000 [ 163.857389][ T25] Workqueue: writeback wb_workfn (flush-7:0) [ 163.863356][ T25] Call Trace: [ 163.866688][ T25] __schedule+0x866/0xc00 [ 163.871012][ T25] ? release_firmware_map_entry+0x194/0x194 [ 163.876917][ T25] ? wq_worker_sleeping+0x62/0x210 [ 163.882014][ T25] schedule+0x14b/0x1e0 [ 163.886536][ T25] io_schedule+0x8e/0x120 [ 163.890868][ T25] wait_on_page_bit_common+0x6da/0xc40 [ 163.896450][ T25] ? xas_start+0x2fa/0x390 [ 163.902323][ T25] ? wait_on_page_bit+0x50/0x50 [ 163.907360][ T25] ? page_mapcount+0xf0/0xf0 [ 163.911937][ T25] pagecache_get_page+0x208/0x850 [ 163.916978][ T25] __get_node_page+0x1e9/0xb90 [ 163.921897][ T25] ? rwsem_set_reader_owned+0x65/0x120 [ 163.927360][ T25] ? read_node_page+0x790/0x790 [ 163.932283][ T25] ? __down_read+0xe0/0x2c0 [ 163.936805][ T25] ? radix_tree_node_alloc+0xbe/0x3c0 [ 163.942169][ T25] ? __init_rwsem+0x1c0/0x1c0 [ 163.946869][ T25] ? __kasan_check_read+0x11/0x20 [ 163.951901][ T25] f2fs_get_node_page+0x21/0x30 [ 163.956957][ T25] gc_data_segment+0x93c/0x3140 [ 163.961812][ T25] ? PageUptodate+0xc0/0xc0 [ 163.966337][ T25] ? page_cache_prev_miss+0x430/0x430 [ 163.971697][ T25] ? page_ext_put+0x1c/0x30 [ 163.976211][ T25] ? __page_pinner_migration_failed+0xe5/0x250 [ 163.982350][ T25] ? __reset_page_pinner+0x4d0/0x4d0 [ 163.987658][ T25] ? pagecache_get_page+0x766/0x850 [ 163.992839][ T25] do_garbage_collect+0xd3f/0x1de0 [ 163.997960][ T25] ? has_not_enough_free_secs+0x940/0x940 [ 164.003671][ T25] ? __kasan_check_write+0x14/0x20 [ 164.008828][ T25] ? __down_write+0x119/0x320 [ 164.013499][ T25] ? __kasan_check_write+0x14/0x20 [ 164.018633][ T25] ? __up_write+0x66/0x1d0 [ 164.023039][ T25] f2fs_gc+0x89e/0x19c0 [ 164.027211][ T25] ? f2fs_start_bidx_of_node+0x370/0x370 [ 164.032933][ T25] ? __down_write+0x119/0x320 [ 164.037629][ T25] ? has_not_enough_free_secs+0x408/0x910 [ 164.043420][ T25] f2fs_balance_fs+0x339/0x3e0 [ 164.048294][ T25] ? f2fs_commit_inmem_pages+0x280/0x280 [ 164.053914][ T25] ? f2fs_update_inode+0x10b9/0x1960 [ 164.059204][ T25] ? f2fs_put_page+0x12a/0x1b0 [ 164.063952][ T25] f2fs_write_inode+0x672/0x720 [ 164.068802][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 164.074157][ T25] write_inode+0xf8/0x2a0 [ 164.078495][ T25] __writeback_single_inode+0x37a/0x6e0 [ 164.084020][ T25] writeback_sb_inodes+0x999/0x1700 [ 164.089228][ T25] ? queue_io+0x500/0x500 [ 164.093543][ T25] ? writeback_sb_inodes+0x1700/0x1700 [ 164.099008][ T25] ? queue_io+0x3c7/0x500 [ 164.103320][ T25] wb_writeback+0x42f/0xc20 [ 164.107831][ T25] ? enqueue_timer+0x1d1/0x470 [ 164.112585][ T25] ? wb_io_lists_depopulated+0x180/0x180 [ 164.118236][ T25] ? widen_string+0x41/0x3a0 [ 164.123304][ T25] ? __kasan_check_write+0x14/0x20 [ 164.128454][ T25] wb_do_writeback+0x222/0xbd0 [ 164.133297][ T25] ? wb_workfn+0x3f0/0x3f0 [ 164.137742][ T25] ? compat_start_thread+0x80/0x80 [ 164.142847][ T25] ? set_worker_desc+0x158/0x1c0 [ 164.147801][ T25] ? work_busy+0x250/0x250 [ 164.152315][ T25] ? finish_task_switch+0x130/0x580 [ 164.157602][ T25] ? __switch_to_asm+0x34/0x60 [ 164.162349][ T25] ? kthread_data+0x52/0xc0 [ 164.166860][ T25] wb_workfn+0xf8/0x3f0 [ 164.171013][ T25] process_one_work+0x726/0xc10 [ 164.175867][ T25] worker_thread+0xb27/0x1550 [ 164.180716][ T25] kthread+0x349/0x3d0 [ 164.184807][ T25] ? worker_clr_flags+0x180/0x180 [ 164.189884][ T25] ? kthread_blkcg+0xd0/0xd0 [ 164.194549][ T25] ret_from_fork+0x1f/0x30 [ 164.199037][ T25] INFO: task syz-executor.0:406 blocked for more than 123 seconds. [ 164.206946][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 164.213442][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 164.222168][ T25] task:syz-executor.0 state:D stack: 0 pid: 406 ppid: 1 flags:0x00004004 [ 164.231445][ T25] Call Trace: [ 164.234719][ T25] __schedule+0x866/0xc00 [ 164.239146][ T25] ? preempt_schedule_thunk+0x16/0x18 [ 164.244508][ T25] ? release_firmware_map_entry+0x194/0x194 [ 164.250441][ T25] ? init_wait_entry+0xe0/0xe0 [ 164.255401][ T25] schedule+0x14b/0x1e0 [ 164.259531][ T25] wb_wait_for_completion+0x155/0x280 [ 164.264959][ T25] ? __bpf_trace_writeback_inode_template+0x30/0x30 [ 164.271560][ T25] ? io_schedule+0x120/0x120 [ 164.276149][ T25] __writeback_inodes_sb_nr+0x2f0/0x3d0 [ 164.281670][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 164.287081][ T25] ? writeback_inodes_sb_nr+0x30/0x30 [ 164.292443][ T25] ? cpumask_next+0x23/0x30 [ 164.297015][ T25] ? get_nr_dirty_inodes+0x2bd/0x330 [ 164.302287][ T25] writeback_inodes_sb+0x81/0x90 [ 164.307238][ T25] sync_filesystem+0xa8/0x250 [ 164.311898][ T25] ? shrink_dcache_for_umount+0xde/0x1a0 [ 164.317533][ T25] generic_shutdown_super+0x6e/0x2c0 [ 164.323141][ T25] kill_block_super+0x80/0xe0 [ 164.327824][ T25] kill_f2fs_super+0x2f3/0x3c0 [ 164.332575][ T25] ? unregister_shrinker+0x20c/0x280 [ 164.337921][ T25] ? f2fs_mount+0x40/0x40 [ 164.342235][ T25] ? unregister_shrinker+0x20c/0x280 [ 164.347535][ T25] deactivate_locked_super+0xb0/0x100 [ 164.352886][ T25] deactivate_super+0xa5/0xd0 [ 164.357569][ T25] cleanup_mnt+0x45f/0x510 [ 164.361967][ T25] __cleanup_mnt+0x19/0x20 [ 164.366475][ T25] task_work_run+0x147/0x1b0 [ 164.371054][ T25] exit_to_user_mode_loop+0xc8/0xe0 [ 164.376254][ T25] syscall_exit_to_user_mode+0x77/0xa0 [ 164.381699][ T25] do_syscall_64+0x40/0x70 [ 164.386123][ T25] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 164.392040][ T25] RIP: 0033:0x7fc4e436ea17 [ 164.396465][ T25] RSP: 002b:00007ffe2d344e78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 164.404856][ T25] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc4e436ea17 [ 164.413315][ T25] RDX: 00007ffe2d344f49 RSI: 000000000000000a RDI: 00007ffe2d344f40 [ 164.421874][ T25] RBP: 00007ffe2d344f40 R08: 00000000ffffffff R09: 00007ffe2d344d10 [ 164.430055][ T25] R10: 00005555574b9793 R11: 0000000000000246 R12: 00007fc4e43c75f6 [ 164.438473][ T25] R13: 00007ffe2d346000 R14: 00005555574b96f0 R15: 00007ffe2d346040 [ 164.446550][ T25] NMI backtrace for cpu 0 [ 164.450865][ T25] CPU: 0 PID: 25 Comm: khungtaskd Not tainted 5.10.149-syzkaller-dirty #0 [ 164.459505][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 164.469630][ T25] Call Trace: [ 164.473031][ T25] dump_stack_lvl+0x1e2/0x24b [ 164.477840][ T25] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 164.484037][ T25] ? bfq_pos_tree_add_move+0x43e/0x43e [ 164.489713][ T25] ? memcpy+0x56/0x70 [ 164.494110][ T25] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.500246][ T25] dump_stack+0x15/0x17 [ 164.504461][ T25] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 164.510500][ T25] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.516364][ T25] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 164.522673][ T25] ? __kasan_check_write+0x14/0x20 [ 164.527757][ T25] ? hung_task_panic+0x20/0x20 [ 164.532501][ T25] watchdog+0x13e/0x170 [ 164.536718][ T25] kthread+0x349/0x3d0 [ 164.540779][ T25] ? hungtask_pm_notify+0x50/0x50 [ 164.545795][ T25] ? kthread_blkcg+0xd0/0xd0 [ 164.550921][ T25] ret_from_fork+0x1f/0x30 [ 164.556078][ T25] Sending NMI from CPU 0 to CPUs 1: [ 164.561327][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_enter+0x414/0x6d0 [ 184.945381][ T25] INFO: task kworker/u4:1:9 blocked for more than 143 seconds. [ 184.952954][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 184.959468][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 184.968296][ T25] task:kworker/u4:1 state:D stack: 0 pid: 9 ppid: 2 flags:0x00004000 [ 184.977516][ T25] Workqueue: writeback wb_workfn (flush-7:0) [ 184.983756][ T25] Call Trace: [ 184.987095][ T25] __schedule+0x866/0xc00 [ 184.991772][ T25] ? release_firmware_map_entry+0x194/0x194 [ 184.998164][ T25] ? wq_worker_sleeping+0x62/0x210 [ 185.003288][ T25] schedule+0x14b/0x1e0 [ 185.007570][ T25] io_schedule+0x8e/0x120 [ 185.012005][ T25] wait_on_page_bit_common+0x6da/0xc40 [ 185.017580][ T25] ? xas_start+0x2fa/0x390 [ 185.021985][ T25] ? wait_on_page_bit+0x50/0x50 [ 185.026845][ T25] ? page_mapcount+0xf0/0xf0 [ 185.031423][ T25] pagecache_get_page+0x208/0x850 [ 185.036462][ T25] __get_node_page+0x1e9/0xb90 [ 185.041314][ T25] ? rwsem_set_reader_owned+0x65/0x120 [ 185.046900][ T25] ? read_node_page+0x790/0x790 [ 185.051906][ T25] ? __down_read+0xe0/0x2c0 [ 185.056543][ T25] ? radix_tree_node_alloc+0xbe/0x3c0 [ 185.062003][ T25] ? __init_rwsem+0x1c0/0x1c0 [ 185.066702][ T25] ? __kasan_check_read+0x11/0x20 [ 185.071743][ T25] f2fs_get_node_page+0x21/0x30 [ 185.076701][ T25] gc_data_segment+0x93c/0x3140 [ 185.081734][ T25] ? PageUptodate+0xc0/0xc0 [ 185.086442][ T25] ? page_cache_prev_miss+0x430/0x430 [ 185.091863][ T25] ? page_ext_put+0x1c/0x30 [ 185.096576][ T25] ? __page_pinner_migration_failed+0xe5/0x250 [ 185.103029][ T25] ? __reset_page_pinner+0x4d0/0x4d0 [ 185.108421][ T25] ? pagecache_get_page+0x766/0x850 [ 185.113623][ T25] do_garbage_collect+0xd3f/0x1de0 [ 185.119027][ T25] ? has_not_enough_free_secs+0x940/0x940 [ 185.124845][ T25] ? __kasan_check_write+0x14/0x20 [ 185.129977][ T25] ? __down_write+0x119/0x320 [ 185.134639][ T25] ? __kasan_check_write+0x14/0x20 [ 185.139760][ T25] ? __up_write+0x66/0x1d0 [ 185.144167][ T25] f2fs_gc+0x89e/0x19c0 [ 185.148336][ T25] ? f2fs_start_bidx_of_node+0x370/0x370 [ 185.153970][ T25] ? __down_write+0x119/0x320 [ 185.158758][ T25] ? has_not_enough_free_secs+0x408/0x910 [ 185.164457][ T25] f2fs_balance_fs+0x339/0x3e0 [ 185.169234][ T25] ? f2fs_commit_inmem_pages+0x280/0x280 [ 185.175038][ T25] ? f2fs_update_inode+0x10b9/0x1960 [ 185.180626][ T25] ? f2fs_put_page+0x12a/0x1b0 [ 185.185445][ T25] f2fs_write_inode+0x672/0x720 [ 185.190300][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 185.195734][ T25] write_inode+0xf8/0x2a0 [ 185.200446][ T25] __writeback_single_inode+0x37a/0x6e0 [ 185.206190][ T25] writeback_sb_inodes+0x999/0x1700 [ 185.211756][ T25] ? queue_io+0x500/0x500 [ 185.216757][ T25] ? writeback_sb_inodes+0x1700/0x1700 [ 185.222412][ T25] ? queue_io+0x3c7/0x500 [ 185.227068][ T25] wb_writeback+0x42f/0xc20 [ 185.231760][ T25] ? enqueue_timer+0x1d1/0x470 [ 185.236554][ T25] ? wb_io_lists_depopulated+0x180/0x180 [ 185.242352][ T25] ? widen_string+0x41/0x3a0 [ 185.247085][ T25] ? __kasan_check_write+0x14/0x20 [ 185.252560][ T25] wb_do_writeback+0x222/0xbd0 [ 185.257491][ T25] ? wb_workfn+0x3f0/0x3f0 [ 185.261921][ T25] ? compat_start_thread+0x80/0x80 [ 185.267059][ T25] ? set_worker_desc+0x158/0x1c0 [ 185.272001][ T25] ? work_busy+0x250/0x250 [ 185.276653][ T25] ? finish_task_switch+0x130/0x580 [ 185.281861][ T25] ? __switch_to_asm+0x34/0x60 [ 185.286646][ T25] ? kthread_data+0x52/0xc0 [ 185.291384][ T25] wb_workfn+0xf8/0x3f0 [ 185.295778][ T25] process_one_work+0x726/0xc10 [ 185.300768][ T25] worker_thread+0xb27/0x1550 [ 185.305480][ T25] kthread+0x349/0x3d0 [ 185.309545][ T25] ? worker_clr_flags+0x180/0x180 [ 185.314588][ T25] ? kthread_blkcg+0xd0/0xd0 [ 185.319264][ T25] ret_from_fork+0x1f/0x30 [ 185.323743][ T25] INFO: task syz-executor.0:406 blocked for more than 144 seconds. [ 185.331975][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 185.338256][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 185.347320][ T25] task:syz-executor.0 state:D stack: 0 pid: 406 ppid: 1 flags:0x00004004 [ 185.356753][ T25] Call Trace: [ 185.360054][ T25] __schedule+0x866/0xc00 [ 185.364358][ T25] ? preempt_schedule_thunk+0x16/0x18 [ 185.369832][ T25] ? release_firmware_map_entry+0x194/0x194 [ 185.375994][ T25] ? init_wait_entry+0xe0/0xe0 [ 185.380744][ T25] schedule+0x14b/0x1e0 [ 185.385148][ T25] wb_wait_for_completion+0x155/0x280 [ 185.390746][ T25] ? __bpf_trace_writeback_inode_template+0x30/0x30 [ 185.397574][ T25] ? io_schedule+0x120/0x120 [ 185.402521][ T25] __writeback_inodes_sb_nr+0x2f0/0x3d0 [ 185.408143][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 185.413616][ T25] ? writeback_inodes_sb_nr+0x30/0x30 [ 185.419301][ T25] ? cpumask_next+0x23/0x30 [ 185.424923][ T25] ? get_nr_dirty_inodes+0x2bd/0x330 [ 185.430934][ T25] writeback_inodes_sb+0x81/0x90 [ 185.435891][ T25] sync_filesystem+0xa8/0x250 [ 185.442572][ T25] ? shrink_dcache_for_umount+0xde/0x1a0 [ 185.448380][ T25] generic_shutdown_super+0x6e/0x2c0 [ 185.454109][ T25] kill_block_super+0x80/0xe0 [ 185.458928][ T25] kill_f2fs_super+0x2f3/0x3c0 [ 185.463775][ T25] ? unregister_shrinker+0x20c/0x280 [ 185.469764][ T25] ? f2fs_mount+0x40/0x40 [ 185.474099][ T25] ? unregister_shrinker+0x20c/0x280 [ 185.479496][ T25] deactivate_locked_super+0xb0/0x100 [ 185.484944][ T25] deactivate_super+0xa5/0xd0 [ 185.489856][ T25] cleanup_mnt+0x45f/0x510 [ 185.494265][ T25] __cleanup_mnt+0x19/0x20 [ 185.499046][ T25] task_work_run+0x147/0x1b0 [ 185.503646][ T25] exit_to_user_mode_loop+0xc8/0xe0 [ 185.509350][ T25] syscall_exit_to_user_mode+0x77/0xa0 [ 185.514807][ T25] do_syscall_64+0x40/0x70 [ 185.519343][ T25] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 185.525268][ T25] RIP: 0033:0x7fc4e436ea17 [ 185.529668][ T25] RSP: 002b:00007ffe2d344e78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 185.538319][ T25] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc4e436ea17 [ 185.546391][ T25] RDX: 00007ffe2d344f49 RSI: 000000000000000a RDI: 00007ffe2d344f40 [ 185.554543][ T25] RBP: 00007ffe2d344f40 R08: 00000000ffffffff R09: 00007ffe2d344d10 [ 185.562549][ T25] R10: 00005555574b9793 R11: 0000000000000246 R12: 00007fc4e43c75f6 [ 185.570581][ T25] R13: 00007ffe2d346000 R14: 00005555574b96f0 R15: 00007ffe2d346040 [ 185.579131][ T25] NMI backtrace for cpu 1 [ 185.583566][ T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.10.149-syzkaller-dirty #0 [ 185.592307][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 185.602420][ T25] Call Trace: [ 185.606476][ T25] dump_stack_lvl+0x1e2/0x24b [ 185.611210][ T25] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 185.617353][ T25] ? bfq_pos_tree_add_move+0x43e/0x43e [ 185.622856][ T25] ? rcu_read_unlock_special+0xdb/0x4c0 [ 185.628554][ T25] ? __rcu_read_unlock+0x90/0x90 [ 185.633498][ T25] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 185.639692][ T25] dump_stack+0x15/0x17 [ 185.644064][ T25] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 185.650558][ T25] arch_trigger_cpumask_backtrace+0x10/0x20 [ 185.656652][ T25] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 185.663136][ T25] ? __kasan_check_write+0x14/0x20 [ 185.668449][ T25] ? hung_task_panic+0x20/0x20 [ 185.673205][ T25] watchdog+0x13e/0x170 [ 185.677357][ T25] kthread+0x349/0x3d0 [ 185.681409][ T25] ? hungtask_pm_notify+0x50/0x50 [ 185.686511][ T25] ? kthread_blkcg+0xd0/0xd0 [ 185.691182][ T25] ret_from_fork+0x1f/0x30 [ 185.696623][ T25] Sending NMI from CPU 1 to CPUs 0: [ 185.701887][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x414/0x6d0 [ 206.065364][ T25] INFO: task kworker/u4:1:9 blocked for more than 164 seconds. [ 206.073039][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 206.079373][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 206.088448][ T25] task:kworker/u4:1 state:D stack: 0 pid: 9 ppid: 2 flags:0x00004000 [ 206.097745][ T25] Workqueue: writeback wb_workfn (flush-7:0) [ 206.104815][ T25] Call Trace: [ 206.108175][ T25] __schedule+0x866/0xc00 [ 206.112982][ T25] ? release_firmware_map_entry+0x194/0x194 [ 206.119114][ T25] ? wq_worker_sleeping+0x62/0x210 [ 206.124514][ T25] schedule+0x14b/0x1e0 [ 206.128844][ T25] io_schedule+0x8e/0x120 [ 206.133265][ T25] wait_on_page_bit_common+0x6da/0xc40 [ 206.139291][ T25] ? xas_start+0x2fa/0x390 [ 206.143713][ T25] ? wait_on_page_bit+0x50/0x50 [ 206.148774][ T25] ? page_mapcount+0xf0/0xf0 [ 206.153495][ T25] pagecache_get_page+0x208/0x850 [ 206.158946][ T25] __get_node_page+0x1e9/0xb90 [ 206.163903][ T25] ? rwsem_set_reader_owned+0x65/0x120 [ 206.169661][ T25] ? read_node_page+0x790/0x790 [ 206.174527][ T25] ? __down_read+0xe0/0x2c0 [ 206.179227][ T25] ? radix_tree_node_alloc+0xbe/0x3c0 [ 206.185323][ T25] ? __init_rwsem+0x1c0/0x1c0 [ 206.190026][ T25] ? __kasan_check_read+0x11/0x20 [ 206.195050][ T25] f2fs_get_node_page+0x21/0x30 [ 206.200068][ T25] gc_data_segment+0x93c/0x3140 [ 206.204926][ T25] ? PageUptodate+0xc0/0xc0 [ 206.209584][ T25] ? page_cache_prev_miss+0x430/0x430 [ 206.214951][ T25] ? page_ext_put+0x1c/0x30 [ 206.219993][ T25] ? __page_pinner_migration_failed+0xe5/0x250 [ 206.226335][ T25] ? __reset_page_pinner+0x4d0/0x4d0 [ 206.231699][ T25] ? pagecache_get_page+0x766/0x850 [ 206.236911][ T25] do_garbage_collect+0xd3f/0x1de0 [ 206.242125][ T25] ? has_not_enough_free_secs+0x940/0x940 [ 206.247977][ T25] ? __kasan_check_write+0x14/0x20 [ 206.253619][ T25] ? __down_write+0x119/0x320 [ 206.258503][ T25] ? __kasan_check_write+0x14/0x20 [ 206.263966][ T25] ? __up_write+0x66/0x1d0 [ 206.268608][ T25] f2fs_gc+0x89e/0x19c0 [ 206.272843][ T25] ? f2fs_start_bidx_of_node+0x370/0x370 [ 206.278592][ T25] ? __down_write+0x119/0x320 [ 206.283256][ T25] ? has_not_enough_free_secs+0x408/0x910 [ 206.289047][ T25] f2fs_balance_fs+0x339/0x3e0 [ 206.293852][ T25] ? f2fs_commit_inmem_pages+0x280/0x280 [ 206.300316][ T25] ? f2fs_update_inode+0x10b9/0x1960 [ 206.306408][ T25] ? f2fs_put_page+0x12a/0x1b0 [ 206.311289][ T25] f2fs_write_inode+0x672/0x720 [ 206.316151][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 206.321511][ T25] write_inode+0xf8/0x2a0 [ 206.325965][ T25] __writeback_single_inode+0x37a/0x6e0 [ 206.331586][ T25] writeback_sb_inodes+0x999/0x1700 [ 206.336830][ T25] ? queue_io+0x500/0x500 [ 206.341518][ T25] ? writeback_sb_inodes+0x1700/0x1700 [ 206.346993][ T25] ? queue_io+0x3c7/0x500 [ 206.351307][ T25] wb_writeback+0x42f/0xc20 [ 206.356170][ T25] ? enqueue_timer+0x1d1/0x470 [ 206.360925][ T25] ? wb_io_lists_depopulated+0x180/0x180 [ 206.366574][ T25] ? widen_string+0x41/0x3a0 [ 206.371156][ T25] ? __kasan_check_write+0x14/0x20 [ 206.376295][ T25] wb_do_writeback+0x222/0xbd0 [ 206.381055][ T25] ? wb_workfn+0x3f0/0x3f0 [ 206.385572][ T25] ? compat_start_thread+0x80/0x80 [ 206.390762][ T25] ? set_worker_desc+0x158/0x1c0 [ 206.397084][ T25] ? work_busy+0x250/0x250 [ 206.401504][ T25] ? finish_task_switch+0x130/0x580 [ 206.406737][ T25] ? __switch_to_asm+0x34/0x60 [ 206.411567][ T25] ? kthread_data+0x52/0xc0 [ 206.416165][ T25] wb_workfn+0xf8/0x3f0 [ 206.420315][ T25] process_one_work+0x726/0xc10 [ 206.425138][ T25] worker_thread+0xb27/0x1550 [ 206.429917][ T25] kthread+0x349/0x3d0 [ 206.434131][ T25] ? worker_clr_flags+0x180/0x180 [ 206.439174][ T25] ? kthread_blkcg+0xd0/0xd0 [ 206.443838][ T25] ret_from_fork+0x1f/0x30 [ 206.448328][ T25] INFO: task syz-executor.0:406 blocked for more than 165 seconds. [ 206.456313][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 206.462891][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 206.471915][ T25] task:syz-executor.0 state:D stack: 0 pid: 406 ppid: 1 flags:0x00004004 [ 206.481321][ T25] Call Trace: [ 206.484853][ T25] __schedule+0x866/0xc00 [ 206.489219][ T25] ? preempt_schedule_thunk+0x16/0x18 [ 206.494676][ T25] ? release_firmware_map_entry+0x194/0x194 [ 206.500849][ T25] ? init_wait_entry+0xe0/0xe0 [ 206.505717][ T25] schedule+0x14b/0x1e0 [ 206.509896][ T25] wb_wait_for_completion+0x155/0x280 [ 206.515362][ T25] ? __bpf_trace_writeback_inode_template+0x30/0x30 [ 206.522127][ T25] ? io_schedule+0x120/0x120 [ 206.526734][ T25] __writeback_inodes_sb_nr+0x2f0/0x3d0 [ 206.532312][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 206.537876][ T25] ? writeback_inodes_sb_nr+0x30/0x30 [ 206.543330][ T25] ? cpumask_next+0x23/0x30 [ 206.547947][ T25] ? get_nr_dirty_inodes+0x2bd/0x330 [ 206.553221][ T25] writeback_inodes_sb+0x81/0x90 [ 206.558177][ T25] sync_filesystem+0xa8/0x250 [ 206.562840][ T25] ? shrink_dcache_for_umount+0xde/0x1a0 [ 206.568486][ T25] generic_shutdown_super+0x6e/0x2c0 [ 206.573757][ T25] kill_block_super+0x80/0xe0 [ 206.578482][ T25] kill_f2fs_super+0x2f3/0x3c0 [ 206.583236][ T25] ? unregister_shrinker+0x20c/0x280 [ 206.588805][ T25] ? f2fs_mount+0x40/0x40 [ 206.593155][ T25] ? unregister_shrinker+0x20c/0x280 [ 206.598456][ T25] deactivate_locked_super+0xb0/0x100 [ 206.603936][ T25] deactivate_super+0xa5/0xd0 [ 206.608851][ T25] cleanup_mnt+0x45f/0x510 [ 206.613266][ T25] __cleanup_mnt+0x19/0x20 [ 206.617685][ T25] task_work_run+0x147/0x1b0 [ 206.622260][ T25] exit_to_user_mode_loop+0xc8/0xe0 [ 206.628081][ T25] syscall_exit_to_user_mode+0x77/0xa0 [ 206.633899][ T25] do_syscall_64+0x40/0x70 [ 206.638455][ T25] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 206.644562][ T25] RIP: 0033:0x7fc4e436ea17 [ 206.649127][ T25] RSP: 002b:00007ffe2d344e78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 206.657771][ T25] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc4e436ea17 [ 206.665871][ T25] RDX: 00007ffe2d344f49 RSI: 000000000000000a RDI: 00007ffe2d344f40 [ 206.674162][ T25] RBP: 00007ffe2d344f40 R08: 00000000ffffffff R09: 00007ffe2d344d10 [ 206.682460][ T25] R10: 00005555574b9793 R11: 0000000000000246 R12: 00007fc4e43c75f6 [ 206.691083][ T25] R13: 00007ffe2d346000 R14: 00005555574b96f0 R15: 00007ffe2d346040 [ 206.699653][ T25] NMI backtrace for cpu 1 [ 206.704084][ T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.10.149-syzkaller-dirty #0 [ 206.712661][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 206.723225][ T25] Call Trace: [ 206.726527][ T25] dump_stack_lvl+0x1e2/0x24b [ 206.731605][ T25] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 206.738355][ T25] ? bfq_pos_tree_add_move+0x43e/0x43e [ 206.743811][ T25] ? memcpy+0x56/0x70 [ 206.747780][ T25] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 206.754188][ T25] dump_stack+0x15/0x17 [ 206.758439][ T25] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 206.764415][ T25] arch_trigger_cpumask_backtrace+0x10/0x20 [ 206.770464][ T25] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 206.776689][ T25] ? __kasan_check_write+0x14/0x20 [ 206.781883][ T25] ? hung_task_panic+0x20/0x20 [ 206.786744][ T25] watchdog+0x13e/0x170 [ 206.790906][ T25] kthread+0x349/0x3d0 [ 206.794978][ T25] ? hungtask_pm_notify+0x50/0x50 [ 206.800044][ T25] ? kthread_blkcg+0xd0/0xd0 [ 206.804616][ T25] ret_from_fork+0x1f/0x30 [ 206.809081][ T25] Sending NMI from CPU 1 to CPUs 0: [ 206.814324][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x414/0x6d0 [ 227.185402][ T25] INFO: task kworker/u4:1:9 blocked for more than 186 seconds. [ 227.193240][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 227.199744][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 227.208432][ T25] task:kworker/u4:1 state:D stack: 0 pid: 9 ppid: 2 flags:0x00004000 [ 227.217730][ T25] Workqueue: writeback wb_workfn (flush-7:0) [ 227.223802][ T25] Call Trace: [ 227.227125][ T25] __schedule+0x866/0xc00 [ 227.231468][ T25] ? release_firmware_map_entry+0x194/0x194 [ 227.237384][ T25] ? wq_worker_sleeping+0x62/0x210 [ 227.242596][ T25] schedule+0x14b/0x1e0 [ 227.246854][ T25] io_schedule+0x8e/0x120 [ 227.251352][ T25] wait_on_page_bit_common+0x6da/0xc40 [ 227.256991][ T25] ? xas_start+0x2fa/0x390 [ 227.261401][ T25] ? wait_on_page_bit+0x50/0x50 [ 227.266266][ T25] ? page_mapcount+0xf0/0xf0 [ 227.271317][ T25] pagecache_get_page+0x208/0x850 [ 227.276769][ T25] __get_node_page+0x1e9/0xb90 [ 227.281544][ T25] ? rwsem_set_reader_owned+0x65/0x120 [ 227.287224][ T25] ? read_node_page+0x790/0x790 [ 227.292088][ T25] ? __down_read+0xe0/0x2c0 [ 227.296653][ T25] ? radix_tree_node_alloc+0xbe/0x3c0 [ 227.302539][ T25] ? __init_rwsem+0x1c0/0x1c0 [ 227.307405][ T25] ? __kasan_check_read+0x11/0x20 [ 227.312659][ T25] f2fs_get_node_page+0x21/0x30 [ 227.317621][ T25] gc_data_segment+0x93c/0x3140 [ 227.322470][ T25] ? PageUptodate+0xc0/0xc0 [ 227.327087][ T25] ? page_cache_prev_miss+0x430/0x430 [ 227.333434][ T25] ? page_ext_put+0x1c/0x30 [ 227.337980][ T25] ? __page_pinner_migration_failed+0xe5/0x250 [ 227.344495][ T25] ? __reset_page_pinner+0x4d0/0x4d0 [ 227.350759][ T25] ? pagecache_get_page+0x766/0x850 [ 227.356432][ T25] do_garbage_collect+0xd3f/0x1de0 [ 227.361697][ T25] ? has_not_enough_free_secs+0x940/0x940 [ 227.367472][ T25] ? __kasan_check_write+0x14/0x20 [ 227.372572][ T25] ? __down_write+0x119/0x320 [ 227.377406][ T25] ? __kasan_check_write+0x14/0x20 [ 227.383182][ T25] ? __up_write+0x66/0x1d0 [ 227.387680][ T25] f2fs_gc+0x89e/0x19c0 [ 227.391857][ T25] ? f2fs_start_bidx_of_node+0x370/0x370 [ 227.397815][ T25] ? __down_write+0x119/0x320 [ 227.402607][ T25] ? has_not_enough_free_secs+0x408/0x910 [ 227.408550][ T25] f2fs_balance_fs+0x339/0x3e0 [ 227.413317][ T25] ? f2fs_commit_inmem_pages+0x280/0x280 [ 227.419170][ T25] ? f2fs_update_inode+0x10b9/0x1960 [ 227.424501][ T25] ? f2fs_put_page+0x12a/0x1b0 [ 227.429296][ T25] f2fs_write_inode+0x672/0x720 [ 227.434149][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 227.439746][ T25] write_inode+0xf8/0x2a0 [ 227.444065][ T25] __writeback_single_inode+0x37a/0x6e0 [ 227.449917][ T25] writeback_sb_inodes+0x999/0x1700 [ 227.455358][ T25] ? queue_io+0x500/0x500 [ 227.459673][ T25] ? writeback_sb_inodes+0x1700/0x1700 [ 227.465107][ T25] ? queue_io+0x3c7/0x500 [ 227.469463][ T25] wb_writeback+0x42f/0xc20 [ 227.474047][ T25] ? enqueue_timer+0x1d1/0x470 [ 227.479181][ T25] ? wb_io_lists_depopulated+0x180/0x180 [ 227.484893][ T25] ? widen_string+0x41/0x3a0 [ 227.489600][ T25] ? __kasan_check_write+0x14/0x20 [ 227.494713][ T25] wb_do_writeback+0x222/0xbd0 [ 227.499499][ T25] ? wb_workfn+0x3f0/0x3f0 [ 227.504008][ T25] ? compat_start_thread+0x80/0x80 [ 227.509137][ T25] ? set_worker_desc+0x158/0x1c0 [ 227.514082][ T25] ? work_busy+0x250/0x250 [ 227.518696][ T25] ? finish_task_switch+0x130/0x580 [ 227.523907][ T25] ? __switch_to_asm+0x34/0x60 [ 227.528773][ T25] ? kthread_data+0x52/0xc0 [ 227.533285][ T25] wb_workfn+0xf8/0x3f0 [ 227.537680][ T25] process_one_work+0x726/0xc10 [ 227.542537][ T25] worker_thread+0xb27/0x1550 [ 227.547256][ T25] kthread+0x349/0x3d0 [ 227.551327][ T25] ? worker_clr_flags+0x180/0x180 [ 227.556367][ T25] ? kthread_blkcg+0xd0/0xd0 [ 227.560948][ T25] ret_from_fork+0x1f/0x30 [ 227.565437][ T25] INFO: task syz-executor.0:406 blocked for more than 186 seconds. [ 227.573346][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 227.579630][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 227.588351][ T25] task:syz-executor.0 state:D stack: 0 pid: 406 ppid: 1 flags:0x00004004 [ 227.597669][ T25] Call Trace: [ 227.601074][ T25] __schedule+0x866/0xc00 [ 227.605518][ T25] ? preempt_schedule_thunk+0x16/0x18 [ 227.610879][ T25] ? release_firmware_map_entry+0x194/0x194 [ 227.616848][ T25] ? init_wait_entry+0xe0/0xe0 [ 227.621612][ T25] schedule+0x14b/0x1e0 [ 227.625847][ T25] wb_wait_for_completion+0x155/0x280 [ 227.631217][ T25] ? __bpf_trace_writeback_inode_template+0x30/0x30 [ 227.637888][ T25] ? io_schedule+0x120/0x120 [ 227.642490][ T25] __writeback_inodes_sb_nr+0x2f0/0x3d0 [ 227.648069][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 227.653429][ T25] ? writeback_inodes_sb_nr+0x30/0x30 [ 227.658824][ T25] ? cpumask_next+0x23/0x30 [ 227.663408][ T25] ? get_nr_dirty_inodes+0x2bd/0x330 [ 227.668753][ T25] writeback_inodes_sb+0x81/0x90 [ 227.673687][ T25] sync_filesystem+0xa8/0x250 [ 227.678455][ T25] ? shrink_dcache_for_umount+0xde/0x1a0 [ 227.684320][ T25] generic_shutdown_super+0x6e/0x2c0 [ 227.689657][ T25] kill_block_super+0x80/0xe0 [ 227.694326][ T25] kill_f2fs_super+0x2f3/0x3c0 [ 227.699119][ T25] ? unregister_shrinker+0x20c/0x280 [ 227.704524][ T25] ? f2fs_mount+0x40/0x40 [ 227.708890][ T25] ? unregister_shrinker+0x20c/0x280 [ 227.714322][ T25] deactivate_locked_super+0xb0/0x100 [ 227.720172][ T25] deactivate_super+0xa5/0xd0 [ 227.725114][ T25] cleanup_mnt+0x45f/0x510 [ 227.729611][ T25] __cleanup_mnt+0x19/0x20 [ 227.734206][ T25] task_work_run+0x147/0x1b0 [ 227.738963][ T25] exit_to_user_mode_loop+0xc8/0xe0 [ 227.744360][ T25] syscall_exit_to_user_mode+0x77/0xa0 [ 227.749864][ T25] do_syscall_64+0x40/0x70 [ 227.754334][ T25] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 227.760647][ T25] RIP: 0033:0x7fc4e436ea17 [ 227.765066][ T25] RSP: 002b:00007ffe2d344e78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 227.773565][ T25] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc4e436ea17 [ 227.781723][ T25] RDX: 00007ffe2d344f49 RSI: 000000000000000a RDI: 00007ffe2d344f40 [ 227.789893][ T25] RBP: 00007ffe2d344f40 R08: 00000000ffffffff R09: 00007ffe2d344d10 [ 227.798128][ T25] R10: 00005555574b9793 R11: 0000000000000246 R12: 00007fc4e43c75f6 [ 227.806361][ T25] R13: 00007ffe2d346000 R14: 00005555574b96f0 R15: 00007ffe2d346040 [ 227.814352][ T25] NMI backtrace for cpu 1 [ 227.818744][ T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.10.149-syzkaller-dirty #0 [ 227.827361][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 227.837692][ T25] Call Trace: [ 227.840971][ T25] dump_stack_lvl+0x1e2/0x24b [ 227.845630][ T25] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 227.851850][ T25] ? bfq_pos_tree_add_move+0x43e/0x43e [ 227.857369][ T25] ? memcpy+0x56/0x70 [ 227.861324][ T25] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 227.867961][ T25] dump_stack+0x15/0x17 [ 227.872322][ T25] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 227.878580][ T25] arch_trigger_cpumask_backtrace+0x10/0x20 [ 227.884763][ T25] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 227.891281][ T25] ? __kasan_check_write+0x14/0x20 [ 227.896463][ T25] ? hung_task_panic+0x20/0x20 [ 227.901492][ T25] watchdog+0x13e/0x170 [ 227.905819][ T25] kthread+0x349/0x3d0 [ 227.909977][ T25] ? hungtask_pm_notify+0x50/0x50 [ 227.915090][ T25] ? kthread_blkcg+0xd0/0xd0 [ 227.919766][ T25] ret_from_fork+0x1f/0x30 [ 227.924235][ T25] Sending NMI from CPU 1 to CPUs 0: [ 227.929569][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x414/0x6d0 [ 248.305380][ T25] INFO: task kworker/u4:1:9 blocked for more than 207 seconds. [ 248.312991][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 248.319399][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 248.328217][ T25] task:kworker/u4:1 state:D stack: 0 pid: 9 ppid: 2 flags:0x00004000 [ 248.337900][ T25] Workqueue: writeback wb_workfn (flush-7:0) [ 248.343878][ T25] Call Trace: [ 248.347289][ T25] __schedule+0x866/0xc00 [ 248.351622][ T25] ? release_firmware_map_entry+0x194/0x194 [ 248.357576][ T25] ? wq_worker_sleeping+0x62/0x210 [ 248.362720][ T25] schedule+0x14b/0x1e0 [ 248.366913][ T25] io_schedule+0x8e/0x120 [ 248.371535][ T25] wait_on_page_bit_common+0x6da/0xc40 [ 248.377271][ T25] ? xas_start+0x2fa/0x390 [ 248.381682][ T25] ? wait_on_page_bit+0x50/0x50 [ 248.387338][ T25] ? page_mapcount+0xf0/0xf0 [ 248.391935][ T25] pagecache_get_page+0x208/0x850 [ 248.397522][ T25] __get_node_page+0x1e9/0xb90 [ 248.402292][ T25] ? rwsem_set_reader_owned+0x65/0x120 [ 248.407770][ T25] ? read_node_page+0x790/0x790 [ 248.412605][ T25] ? __down_read+0xe0/0x2c0 [ 248.417205][ T25] ? radix_tree_node_alloc+0xbe/0x3c0 [ 248.422818][ T25] ? __init_rwsem+0x1c0/0x1c0 [ 248.427511][ T25] ? __kasan_check_read+0x11/0x20 [ 248.432539][ T25] f2fs_get_node_page+0x21/0x30 [ 248.437492][ T25] gc_data_segment+0x93c/0x3140 [ 248.442344][ T25] ? PageUptodate+0xc0/0xc0 [ 248.446856][ T25] ? page_cache_prev_miss+0x430/0x430 [ 248.452209][ T25] ? page_ext_put+0x1c/0x30 [ 248.456726][ T25] ? __page_pinner_migration_failed+0xe5/0x250 [ 248.462870][ T25] ? __reset_page_pinner+0x4d0/0x4d0 [ 248.468171][ T25] ? pagecache_get_page+0x766/0x850 [ 248.473357][ T25] do_garbage_collect+0xd3f/0x1de0 [ 248.478569][ T25] ? has_not_enough_free_secs+0x940/0x940 [ 248.484280][ T25] ? __kasan_check_write+0x14/0x20 [ 248.489519][ T25] ? __down_write+0x119/0x320 [ 248.494181][ T25] ? __kasan_check_write+0x14/0x20 [ 248.499295][ T25] ? __up_write+0x66/0x1d0 [ 248.503693][ T25] f2fs_gc+0x89e/0x19c0 [ 248.507949][ T25] ? f2fs_start_bidx_of_node+0x370/0x370 [ 248.513650][ T25] ? __down_write+0x119/0x320 [ 248.518327][ T25] ? has_not_enough_free_secs+0x408/0x910 [ 248.524120][ T25] f2fs_balance_fs+0x339/0x3e0 [ 248.528978][ T25] ? f2fs_commit_inmem_pages+0x280/0x280 [ 248.534590][ T25] ? f2fs_update_inode+0x10b9/0x1960 [ 248.539983][ T25] ? f2fs_put_page+0x12a/0x1b0 [ 248.544751][ T25] f2fs_write_inode+0x672/0x720 [ 248.549651][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 248.555303][ T25] write_inode+0xf8/0x2a0 [ 248.559627][ T25] __writeback_single_inode+0x37a/0x6e0 [ 248.565150][ T25] writeback_sb_inodes+0x999/0x1700 [ 248.570907][ T25] ? queue_io+0x500/0x500 [ 248.575331][ T25] ? writeback_sb_inodes+0x1700/0x1700 [ 248.580759][ T25] ? queue_io+0x3c7/0x500 [ 248.585058][ T25] wb_writeback+0x42f/0xc20 [ 248.589566][ T25] ? enqueue_timer+0x1d1/0x470 [ 248.594315][ T25] ? wb_io_lists_depopulated+0x180/0x180 [ 248.599965][ T25] ? widen_string+0x41/0x3a0 [ 248.604540][ T25] ? __kasan_check_write+0x14/0x20 [ 248.609674][ T25] wb_do_writeback+0x222/0xbd0 [ 248.614533][ T25] ? wb_workfn+0x3f0/0x3f0 [ 248.618955][ T25] ? compat_start_thread+0x80/0x80 [ 248.624049][ T25] ? set_worker_desc+0x158/0x1c0 [ 248.628989][ T25] ? work_busy+0x250/0x250 [ 248.633386][ T25] ? finish_task_switch+0x130/0x580 [ 248.638591][ T25] ? __switch_to_asm+0x34/0x60 [ 248.643428][ T25] ? kthread_data+0x52/0xc0 [ 248.647939][ T25] wb_workfn+0xf8/0x3f0 [ 248.652076][ T25] process_one_work+0x726/0xc10 [ 248.657202][ T25] worker_thread+0xb27/0x1550 [ 248.662025][ T25] kthread+0x349/0x3d0 [ 248.666146][ T25] ? worker_clr_flags+0x180/0x180 [ 248.671173][ T25] ? kthread_blkcg+0xd0/0xd0 [ 248.675808][ T25] ret_from_fork+0x1f/0x30 [ 248.680394][ T25] INFO: task syz-executor.0:406 blocked for more than 207 seconds. [ 248.688671][ T25] Not tainted 5.10.149-syzkaller-dirty #0 [ 248.694904][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 248.703615][ T25] task:syz-executor.0 state:D stack: 0 pid: 406 ppid: 1 flags:0x00004004 [ 248.712966][ T25] Call Trace: [ 248.716294][ T25] __schedule+0x866/0xc00 [ 248.720874][ T25] ? preempt_schedule_thunk+0x16/0x18 [ 248.726523][ T25] ? release_firmware_map_entry+0x194/0x194 [ 248.732611][ T25] ? init_wait_entry+0xe0/0xe0 [ 248.737521][ T25] schedule+0x14b/0x1e0 [ 248.741824][ T25] wb_wait_for_completion+0x155/0x280 [ 248.747240][ T25] ? __bpf_trace_writeback_inode_template+0x30/0x30 [ 248.753832][ T25] ? io_schedule+0x120/0x120 [ 248.758459][ T25] __writeback_inodes_sb_nr+0x2f0/0x3d0 [ 248.764009][ T25] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 248.769425][ T25] ? writeback_inodes_sb_nr+0x30/0x30 [ 248.774894][ T25] ? cpumask_next+0x23/0x30 [ 248.779545][ T25] ? get_nr_dirty_inodes+0x2bd/0x330 [ 248.784836][ T25] writeback_inodes_sb+0x81/0x90 [ 248.789983][ T25] sync_filesystem+0xa8/0x250 [ 248.794653][ T25] ? shrink_dcache_for_umount+0xde/0x1a0 [ 248.800305][ T25] generic_shutdown_super+0x6e/0x2c0 [ 248.805599][ T25] kill_block_super+0x80/0xe0 [ 248.810253][ T25] kill_f2fs_super+0x2f3/0x3c0 [ 248.815102][ T25] ? unregister_shrinker+0x20c/0x280 [ 248.820438][ T25] ? f2fs_mount+0x40/0x40 [ 248.824811][ T25] ? unregister_shrinker+0x20c/0x280 [ 248.830256][ T25] deactivate_locked_super+0xb0/0x100 [ 248.836020][ T25] deactivate_super+0xa5/0xd0 [ 248.840679][ T25] cleanup_mnt+0x45f/0x510 [ 248.845218][ T25] __cleanup_mnt+0x19/0x20 [ 248.849808][ T25] task_work_run+0x147/0x1b0 [ 248.854387][ T25] exit_to_user_mode_loop+0xc8/0xe0 [ 248.859779][ T25] syscall_exit_to_user_mode+0x77/0xa0 [ 248.865350][ T25] do_syscall_64+0x40/0x70 [ 248.869980][ T25] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 248.875886][ T25] RIP: 0033:0x7fc4e436ea17 [ 248.880288][ T25] RSP: 002b:00007ffe2d344e78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 248.888714][ T25] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc4e436ea17 [ 248.896787][ T25] RDX: 00007ffe2d344f49 RSI: 000000000000000a RDI: 00007ffe2d344f40 [ 248.904871][ T25] RBP: 00007ffe2d344f40 R08: 00000000ffffffff R09: 00007ffe2d344d10 [ 248.913037][ T25] R10: 00005555574b9793 R11: 0000000000000246 R12: 00007fc4e43c75f6 [ 248.921131][ T25] R13: 00007ffe2d346000 R14: 00005555574b96f0 R15: 00007ffe2d346040 [ 248.929149][ T25] NMI backtrace for cpu 1 [ 248.933631][ T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.10.149-syzkaller-dirty #0 [ 248.942120][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 248.952612][ T25] Call Trace: [ 248.956295][ T25] dump_stack_lvl+0x1e2/0x24b [ 248.961106][ T25] ? nmi_trigger_cpumask_backtrace+0x160/0x2c0 [ 248.967253][ T25] ? bfq_pos_tree_add_move+0x43e/0x43e [ 248.972846][ T25] ? memcpy+0x56/0x70 [ 248.977076][ T25] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 248.983136][ T25] dump_stack+0x15/0x17 [ 248.987339][ T25] nmi_trigger_cpumask_backtrace+0x27b/0x2c0 [ 248.993657][ T25] arch_trigger_cpumask_backtrace+0x10/0x20 [ 248.999671][ T25] check_hung_uninterruptible_tasks+0x7d0/0x870 [ 249.005988][ T25] ? __kasan_check_write+0x14/0x20 [ 249.011078][ T25] ? hung_task_panic+0x20/0x20 [ 249.015830][ T25] watchdog+0x13e/0x170 [ 249.019969][ T25] kthread+0x349/0x3d0 [ 249.024161][ T25] ? hungtask_pm_notify+0x50/0x50 [ 249.029175][ T25] ? kthread_blkcg+0xd0/0xd0 [ 249.033829][ T25] ret_from_fork+0x1f/0x30 [ 249.038498][ T25] Sending NMI from CPU 1 to CPUs 0: [ 249.043742][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x414/0x6d0