[ 21.814968][ T410] device veth1_macvtap entered promiscuous mode [ 21.825915][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 21.838439][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 21.923305][ T410] syz-executor.0 (410) used greatest stack depth: 21856 bytes left [ 22.395501][ T9] device bridge_slave_1 left promiscuous mode [ 22.401950][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 22.409731][ T9] device bridge_slave_0 left promiscuous mode [ 22.416038][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 22.424176][ T9] device veth1_macvtap left promiscuous mode [ 22.430335][ T9] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.0.89' (ECDSA) to the list of known hosts. 2022/12/09 17:50:05 ignoring optional flag "sandboxArg"="0" 2022/12/09 17:50:05 parsed 1 programs 2022/12/09 17:50:05 executed programs: 0 [ 40.088636][ T29] kauditd_printk_skb: 65 callbacks suppressed [ 40.088646][ T29] audit: type=1400 audit(1670608205.940:137): avc: denied { mounton } for pid=455 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 [ 40.119838][ T29] audit: type=1400 audit(1670608205.970:138): avc: denied { mount } for pid=455 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 [ 40.162917][ T458] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.169872][ T458] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.176931][ T458] device bridge_slave_0 entered promiscuous mode [ 40.183755][ T458] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.190698][ T458] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.197687][ T458] device bridge_slave_1 entered promiscuous mode [ 40.231848][ T458] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.238725][ T458] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.245866][ T458] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.253410][ T458] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.270877][ T25] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.278142][ T25] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.285374][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.292766][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.301395][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.309338][ T416] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.316152][ T416] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.334502][ T458] device veth0_vlan entered promiscuous mode [ 40.341007][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.349544][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.357275][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.367156][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.374380][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.383857][ T25] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.391490][ T25] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.398854][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.406718][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.418490][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.427508][ T458] device veth1_macvtap entered promiscuous mode [ 40.436778][ T416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.448212][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.461060][ T29] audit: type=1400 audit(1670608206.310:139): avc: denied { mount } for pid=458 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 [ 40.492421][ T464] loop0: detected capacity change from 0 to 131072 [ 40.500223][ T29] audit: type=1400 audit(1670608206.350:140): avc: denied { mounton } for pid=463 comm="syz-executor.0" path="/root/syzkaller-testdir1597603837/syzkaller.ILo3OM/0/file0" dev="sda1" ino=1148 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 40.527274][ T464] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 40.534900][ T464] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 40.546190][ T464] F2FS-fs (loop0): Found nat_bits in checkpoint [ 40.567246][ T464] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 40.574431][ T464] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 [ 40.582231][ T29] audit: type=1400 audit(1670608206.430:141): avc: denied { mount } for pid=463 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 [ 40.608012][ T29] audit: type=1400 audit(1670608206.430:142): avc: denied { write } for pid=463 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 [ 40.630768][ T29] audit: type=1400 audit(1670608206.430:143): avc: denied { add_name } for pid=463 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 40.652046][ T29] audit: type=1400 audit(1670608206.430:144): avc: denied { create } for pid=463 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 40.673288][ T29] audit: type=1400 audit(1670608206.450:145): avc: denied { read write open } for pid=463 comm="syz-executor.0" path="/root/syzkaller-testdir1597603837/syzkaller.ILo3OM/0/file0/bus" dev="loop0" ino=455 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 40.926650][ T29] audit: type=1400 audit(1670608206.770:146): avc: denied { unmount } for pid=458 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 40.949010][ T93] F2FS-fs (loop0): Inconsistent ofs_in_node:50161 in summary, ino:8, nid:8, max:923 [ 164.107929][ T31] INFO: task kworker/u4:2:93 blocked for more than 122 seconds. [ 164.115490][ T31] Not tainted 5.15.82-syzkaller #0 [ 164.121060][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 164.129881][ T31] task:kworker/u4:2 state:D stack:22912 pid: 93 ppid: 2 flags:0x00004000 [ 164.139227][ T31] Workqueue: writeback wb_workfn (flush-7:0) [ 164.145716][ T31] Call Trace: [ 164.149018][ T31] [ 164.151855][ T31] __schedule+0xb60/0x1060 [ 164.156117][ T31] ? unwind_next_frame+0x3b0/0x6b0 [ 164.161294][ T31] ? release_firmware_map_entry+0x18e/0x18e [ 164.167063][ T31] ? stack_trace_save+0x1f0/0x1f0 [ 164.172051][ T31] ? wq_worker_sleeping+0x62/0x210 [ 164.177390][ T31] schedule+0x12b/0x1f0 [ 164.181408][ T31] io_schedule+0x8e/0x120 [ 164.185538][ T31] wait_on_page_bit_common+0x925/0xc30 [ 164.191491][ T31] ? wait_on_page_bit+0x50/0x50 [ 164.196275][ T31] ? radix_tree_insert+0x22e/0x680 [ 164.201335][ T31] ? page_mapcount+0xf0/0xf0 [ 164.205717][ T31] ? xas_load+0x2c7/0x2e0 [ 164.209920][ T31] pagecache_get_page+0x70a/0xd10 [ 164.214838][ T31] ? page_cache_prev_miss+0x430/0x430 [ 164.220264][ T31] __get_node_page+0x1ea/0xb90 [ 164.224913][ T31] ? radix_tree_node_alloc+0x80/0x3c0 [ 164.230184][ T31] ? read_node_page+0x730/0x730 [ 164.234808][ T31] ? __kasan_check_write+0x14/0x20 [ 164.239800][ T31] ? up_read+0x6f/0x1b0 [ 164.243833][ T31] ? down_write_trylock+0x150/0x150 [ 164.249003][ T31] f2fs_get_node_page+0x21/0x30 [ 164.253641][ T31] do_garbage_collect+0x1da1/0x64c0 [ 164.258983][ T31] ? __kasan_check_write+0x14/0x20 [ 164.263877][ T31] ? has_not_enough_free_secs+0x920/0x920 [ 164.269482][ T31] ? __f2fs_write_data_pages+0x3d8/0x2b90 [ 164.275184][ T31] ? set_page_private_gcing+0x130/0x130 [ 164.280577][ T31] ? __kasan_check_write+0x14/0x20 [ 164.285495][ T31] ? up_write+0xa1/0x190 [ 164.289600][ T31] ? up_read+0x1b0/0x1b0 [ 164.293648][ T31] f2fs_gc+0x8aa/0x17c0 [ 164.297638][ T31] ? xas_set_mark+0x241/0x390 [ 164.302219][ T31] ? f2fs_start_bidx_of_node+0x340/0x340 [ 164.308093][ T31] ? __kasan_check_write+0x14/0x20 [ 164.313138][ T31] ? __kasan_check_write+0x14/0x20 [ 164.318210][ T31] ? down_read_killable+0x30/0x30 [ 164.323105][ T31] ? has_not_enough_free_secs+0x3fe/0x910 [ 164.328881][ T31] f2fs_balance_fs+0x335/0x3e0 [ 164.333433][ T31] ? f2fs_commit_inmem_pages+0x100/0x100 [ 164.339049][ T31] ? __kasan_check_write+0x14/0x20 [ 164.344047][ T31] ? f2fs_put_page+0x117/0x180 [ 164.348671][ T31] ? f2fs_update_inode_page+0x101/0x130 [ 164.354024][ T31] f2fs_write_inode+0x501/0x580 [ 164.358807][ T31] write_inode+0xf5/0x2a0 [ 164.362870][ T31] __writeback_single_inode+0x38b/0x6d0 [ 164.368406][ T31] writeback_sb_inodes+0xb44/0x1930 [ 164.373669][ T31] ? queue_io+0x500/0x500 [ 164.377870][ T31] ? __writeback_inodes_wb+0x430/0x430 [ 164.383209][ T31] ? queue_io+0x3c7/0x500 [ 164.387417][ T31] ? __kasan_check_write+0x14/0x20 [ 164.392480][ T31] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 164.397363][ T31] wb_writeback+0x401/0x9f0 [ 164.401751][ T31] ? inode_cgwb_move_to_attached+0x400/0x400 [ 164.407622][ T31] ? widen_string+0x41/0x3a0 [ 164.412122][ T31] ? __kasan_check_write+0x14/0x20 [ 164.417018][ T31] ? vsnprintf+0x1c02/0x1ce0 [ 164.422383][ T31] wb_do_writeback+0x222/0xbd0 [ 164.427587][ T31] ? wb_workfn+0x3e0/0x3e0 [ 164.431974][ T31] ? compat_start_thread+0x20/0x20 [ 164.436867][ T31] ? set_worker_desc+0x158/0x1c0 [ 164.441719][ T31] ? work_busy+0x250/0x250 [ 164.446415][ T31] ? finish_task_switch+0x173/0x700 [ 164.452189][ T31] ? kthread_data+0x52/0xc0 [ 164.456616][ T31] wb_workfn+0xf8/0x3e0 [ 164.460919][ T31] process_one_work+0x6db/0xc00 [ 164.465810][ T31] worker_thread+0xb3e/0x1340 [ 164.470534][ T31] kthread+0x41c/0x500 [ 164.474398][ T31] ? worker_clr_flags+0x180/0x180 [ 164.479404][ T31] ? kthread_blkcg+0xd0/0xd0 [ 164.483791][ T31] ret_from_fork+0x1f/0x30 [ 164.488325][ T31] [ 164.491359][ T31] INFO: task syz-executor.0:458 blocked for more than 123 seconds. [ 164.499404][ T31] Not tainted 5.15.82-syzkaller #0 [ 164.504786][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 164.513549][ T31] task:syz-executor.0 state:D stack:21856 pid: 458 ppid: 1 flags:0x00004004 [ 164.522511][ T31] Call Trace: [ 164.525802][ T31] [ 164.528635][ T31] __schedule+0xb60/0x1060 [ 164.532830][ T31] ? release_firmware_map_entry+0x18e/0x18e [ 164.538860][ T31] ? _raw_spin_unlock_irqrestore+0x5c/0x80 [ 164.544460][ T31] ? prepare_to_wait_event+0x464/0x560 [ 164.549919][ T31] schedule+0x12b/0x1f0 [ 164.554081][ T31] wb_wait_for_completion+0x155/0x280 [ 164.559440][ T31] ? __bpf_trace_writeback_inode_template+0x30/0x30 [ 164.565789][ T31] ? init_wait_entry+0xe0/0xe0 [ 164.570425][ T31] __writeback_inodes_sb_nr+0x2f0/0x3d0 [ 164.575855][ T31] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 164.581388][ T31] ? writeback_inodes_sb_nr+0x30/0x30 [ 164.586639][ T31] ? cpumask_next+0x8a/0xb0 [ 164.591263][ T31] ? get_nr_dirty_inodes+0x2bd/0x330 [ 164.596351][ T31] writeback_inodes_sb+0x81/0x90 [ 164.601160][ T31] sync_filesystem+0xa8/0x250 [ 164.605718][ T31] ? shrink_dcache_for_umount+0xde/0x1a0 [ 164.611393][ T31] generic_shutdown_super+0x71/0x2e0 [ 164.616499][ T31] kill_block_super+0x80/0xe0 [ 164.621054][ T31] kill_f2fs_super+0x2f3/0x3c0 [ 164.625599][ T31] ? up_read+0x1b0/0x1b0 [ 164.629827][ T31] ? f2fs_mount+0x40/0x40 [ 164.633966][ T31] ? unregister_shrinker+0x238/0x2d0 [ 164.639525][ T31] deactivate_locked_super+0xb0/0x100 [ 164.645443][ T31] deactivate_super+0xa5/0xd0 [ 164.650354][ T31] cleanup_mnt+0x45f/0x510 [ 164.654542][ T31] __cleanup_mnt+0x19/0x20 [ 164.658997][ T31] task_work_run+0x147/0x1b0 [ 164.663529][ T31] exit_to_user_mode_loop+0xfd/0x110 [ 164.668650][ T31] syscall_exit_to_user_mode+0x79/0xc0 [ 164.674161][ T31] do_syscall_64+0x50/0xd0 [ 164.678465][ T31] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 164.684429][ T31] RIP: 0033:0x7f87b1905a17 [ 164.688844][ T31] RSP: 002b:00007fff7af376f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 164.697010][ T31] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f87b1905a17 [ 164.704969][ T31] RDX: 00007fff7af377c9 RSI: 000000000000000a RDI: 00007fff7af377c0 [ 164.712827][ T31] RBP: 00007fff7af377c0 R08: 00000000ffffffff R09: 00007fff7af37590 [ 164.720796][ T31] R10: 000055555626d793 R11: 0000000000000246 R12: 00007f87b195e5f6 [ 164.729203][ T31] R13: 00007fff7af38880 R14: 000055555626d6f0 R15: 00007fff7af388c0 [ 164.736983][ T31] [ 164.740038][ T31] NMI backtrace for cpu 1 [ 164.744253][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted 5.15.82-syzkaller #0 [ 164.751984][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 164.761885][ T31] Call Trace: [ 164.765090][ T31] [ 164.767946][ T31] dump_stack_lvl+0x151/0x1b7 [ 164.772472][ T31] ? bfq_pos_tree_add_move+0x43e/0x43e [ 164.777764][ T31] dump_stack+0x15/0x17 [ 164.782009][ T31] nmi_cpu_backtrace+0x2fb/0x310 [ 164.786782][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 164.792857][ T31] ? memcpy+0x56/0x70 [ 164.796675][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.802576][ T31] nmi_trigger_cpumask_backtrace+0x134/0x240 [ 164.808574][ T31] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.814672][ T31] watchdog+0x6ee/0x740 [ 164.818634][ T31] kthread+0x41c/0x500 [ 164.822668][ T31] ? hungtask_pm_notify+0x50/0x50 [ 164.827615][ T31] ? kthread_blkcg+0xd0/0xd0 [ 164.832059][ T31] ret_from_fork+0x1f/0x30 [ 164.836305][ T31] [ 164.839245][ T31] Sending NMI from CPU 1 to CPUs 0: [ 164.844479][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x411/0x6d0 [ 185.227901][ T31] INFO: task kworker/u4:2:93 blocked for more than 143 seconds. [ 185.235374][ T31] Not tainted 5.15.82-syzkaller #0 [ 185.240898][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 185.249794][ T31] task:kworker/u4:2 state:D stack:22912 pid: 93 ppid: 2 flags:0x00004000 [ 185.258832][ T31] Workqueue: writeback wb_workfn (flush-7:0) [ 185.264756][ T31] Call Trace: [ 185.268034][ T31] [ 185.270763][ T31] __schedule+0xb60/0x1060 [ 185.275014][ T31] ? unwind_next_frame+0x3b0/0x6b0 [ 185.280420][ T31] ? release_firmware_map_entry+0x18e/0x18e [ 185.286111][ T31] ? stack_trace_save+0x1f0/0x1f0 [ 185.291013][ T31] ? wq_worker_sleeping+0x62/0x210 [ 185.296010][ T31] schedule+0x12b/0x1f0 [ 185.300284][ T31] io_schedule+0x8e/0x120 [ 185.304544][ T31] wait_on_page_bit_common+0x925/0xc30 [ 185.309842][ T31] ? wait_on_page_bit+0x50/0x50 [ 185.314496][ T31] ? radix_tree_insert+0x22e/0x680 [ 185.319475][ T31] ? page_mapcount+0xf0/0xf0 [ 185.323863][ T31] ? xas_load+0x2c7/0x2e0 [ 185.328180][ T31] pagecache_get_page+0x70a/0xd10 [ 185.333015][ T31] ? page_cache_prev_miss+0x430/0x430 [ 185.338259][ T31] __get_node_page+0x1ea/0xb90 [ 185.342908][ T31] ? radix_tree_node_alloc+0x80/0x3c0 [ 185.348150][ T31] ? read_node_page+0x730/0x730 [ 185.352885][ T31] ? __kasan_check_write+0x14/0x20 [ 185.357862][ T31] ? up_read+0x6f/0x1b0 [ 185.361823][ T31] ? down_write_trylock+0x150/0x150 [ 185.366855][ T31] f2fs_get_node_page+0x21/0x30 [ 185.371579][ T31] do_garbage_collect+0x1da1/0x64c0 [ 185.376580][ T31] ? __kasan_check_write+0x14/0x20 [ 185.381557][ T31] ? has_not_enough_free_secs+0x920/0x920 [ 185.387351][ T31] ? __f2fs_write_data_pages+0x3d8/0x2b90 [ 185.393021][ T31] ? set_page_private_gcing+0x130/0x130 [ 185.398413][ T31] ? __kasan_check_write+0x14/0x20 [ 185.403314][ T31] ? up_write+0xa1/0x190 [ 185.407487][ T31] ? up_read+0x1b0/0x1b0 [ 185.411591][ T31] f2fs_gc+0x8aa/0x17c0 [ 185.415556][ T31] ? xas_set_mark+0x241/0x390 [ 185.420099][ T31] ? f2fs_start_bidx_of_node+0x340/0x340 [ 185.425530][ T31] ? __kasan_check_write+0x14/0x20 [ 185.430594][ T31] ? __kasan_check_write+0x14/0x20 [ 185.435519][ T31] ? down_read_killable+0x30/0x30 [ 185.440535][ T31] ? has_not_enough_free_secs+0x3fe/0x910 [ 185.446189][ T31] f2fs_balance_fs+0x335/0x3e0 [ 185.450822][ T31] ? f2fs_commit_inmem_pages+0x100/0x100 [ 185.456359][ T31] ? __kasan_check_write+0x14/0x20 [ 185.461344][ T31] ? f2fs_put_page+0x117/0x180 [ 185.466079][ T31] ? f2fs_update_inode_page+0x101/0x130 [ 185.471592][ T31] f2fs_write_inode+0x501/0x580 [ 185.476234][ T31] write_inode+0xf5/0x2a0 [ 185.480437][ T31] __writeback_single_inode+0x38b/0x6d0 [ 185.485959][ T31] writeback_sb_inodes+0xb44/0x1930 [ 185.491114][ T31] ? queue_io+0x500/0x500 [ 185.495252][ T31] ? __writeback_inodes_wb+0x430/0x430 [ 185.500990][ T31] ? queue_io+0x3c7/0x500 [ 185.505150][ T31] ? __kasan_check_write+0x14/0x20 [ 185.510121][ T31] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 185.515039][ T31] wb_writeback+0x401/0x9f0 [ 185.519413][ T31] ? inode_cgwb_move_to_attached+0x400/0x400 [ 185.525280][ T31] ? widen_string+0x41/0x3a0 [ 185.530049][ T31] ? __kasan_check_write+0x14/0x20 [ 185.534941][ T31] ? vsnprintf+0x1c02/0x1ce0 [ 185.539414][ T31] wb_do_writeback+0x222/0xbd0 [ 185.543960][ T31] ? wb_workfn+0x3e0/0x3e0 [ 185.548331][ T31] ? compat_start_thread+0x20/0x20 [ 185.553245][ T31] ? set_worker_desc+0x158/0x1c0 [ 185.558051][ T31] ? work_busy+0x250/0x250 [ 185.562270][ T31] ? finish_task_switch+0x173/0x700 [ 185.567303][ T31] ? kthread_data+0x52/0xc0 [ 185.571673][ T31] wb_workfn+0xf8/0x3e0 [ 185.575636][ T31] process_one_work+0x6db/0xc00 [ 185.580352][ T31] worker_thread+0xb3e/0x1340 [ 185.584930][ T31] kthread+0x41c/0x500 [ 185.588860][ T31] ? worker_clr_flags+0x180/0x180 [ 185.593696][ T31] ? kthread_blkcg+0xd0/0xd0 [ 185.598228][ T31] ret_from_fork+0x1f/0x30 [ 185.602555][ T31] [ 185.605541][ T31] INFO: task syz-executor.0:458 blocked for more than 144 seconds. [ 185.613252][ T31] Not tainted 5.15.82-syzkaller #0 [ 185.618705][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 185.627367][ T31] task:syz-executor.0 state:D stack:21856 pid: 458 ppid: 1 flags:0x00004004 [ 185.636516][ T31] Call Trace: [ 185.639621][ T31] [ 185.642469][ T31] __schedule+0xb60/0x1060 [ 185.646722][ T31] ? release_firmware_map_entry+0x18e/0x18e [ 185.652583][ T31] ? _raw_spin_unlock_irqrestore+0x5c/0x80 [ 185.658199][ T31] ? prepare_to_wait_event+0x464/0x560 [ 185.663558][ T31] schedule+0x12b/0x1f0 [ 185.667568][ T31] wb_wait_for_completion+0x155/0x280 [ 185.672797][ T31] ? __bpf_trace_writeback_inode_template+0x30/0x30 [ 185.679293][ T31] ? init_wait_entry+0xe0/0xe0 [ 185.683869][ T31] __writeback_inodes_sb_nr+0x2f0/0x3d0 [ 185.689284][ T31] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 185.694576][ T31] ? writeback_inodes_sb_nr+0x30/0x30 [ 185.699863][ T31] ? cpumask_next+0x8a/0xb0 [ 185.704121][ T31] ? get_nr_dirty_inodes+0x2bd/0x330 [ 185.709277][ T31] writeback_inodes_sb+0x81/0x90 [ 185.714017][ T31] sync_filesystem+0xa8/0x250 [ 185.718554][ T31] ? shrink_dcache_for_umount+0xde/0x1a0 [ 185.723996][ T31] generic_shutdown_super+0x71/0x2e0 [ 185.729224][ T31] kill_block_super+0x80/0xe0 [ 185.733726][ T31] kill_f2fs_super+0x2f3/0x3c0 [ 185.738351][ T31] ? up_read+0x1b0/0x1b0 [ 185.742408][ T31] ? f2fs_mount+0x40/0x40 [ 185.746570][ T31] ? unregister_shrinker+0x238/0x2d0 [ 185.751821][ T31] deactivate_locked_super+0xb0/0x100 [ 185.757094][ T31] deactivate_super+0xa5/0xd0 [ 185.761804][ T31] cleanup_mnt+0x45f/0x510 [ 185.766036][ T31] __cleanup_mnt+0x19/0x20 [ 185.770585][ T31] task_work_run+0x147/0x1b0 [ 185.774982][ T31] exit_to_user_mode_loop+0xfd/0x110 [ 185.780165][ T31] syscall_exit_to_user_mode+0x79/0xc0 [ 185.785402][ T31] do_syscall_64+0x50/0xd0 [ 185.789748][ T31] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 185.795641][ T31] RIP: 0033:0x7f87b1905a17 [ 185.799924][ T31] RSP: 002b:00007fff7af376f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 185.808284][ T31] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f87b1905a17 [ 185.816048][ T31] RDX: 00007fff7af377c9 RSI: 000000000000000a RDI: 00007fff7af377c0 [ 185.823938][ T31] RBP: 00007fff7af377c0 R08: 00000000ffffffff R09: 00007fff7af37590 [ 185.831813][ T31] R10: 000055555626d793 R11: 0000000000000246 R12: 00007f87b195e5f6 [ 185.839850][ T31] R13: 00007fff7af38880 R14: 000055555626d6f0 R15: 00007fff7af388c0 [ 185.847880][ T31] [ 185.850850][ T31] NMI backtrace for cpu 0 [ 185.854988][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted 5.15.82-syzkaller #0 [ 185.863753][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 185.873835][ T31] Call Trace: [ 185.877133][ T31] [ 185.880003][ T31] dump_stack_lvl+0x151/0x1b7 [ 185.884600][ T31] ? bfq_pos_tree_add_move+0x43e/0x43e [ 185.889882][ T31] dump_stack+0x15/0x17 [ 185.893880][ T31] nmi_cpu_backtrace+0x2fb/0x310 [ 185.898650][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 185.904638][ T31] ? memcpy+0x56/0x70 [ 185.908467][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 185.914357][ T31] nmi_trigger_cpumask_backtrace+0x134/0x240 [ 185.920217][ T31] arch_trigger_cpumask_backtrace+0x10/0x20 [ 185.925907][ T31] watchdog+0x6ee/0x740 [ 185.929904][ T31] kthread+0x41c/0x500 [ 185.934249][ T31] ? hungtask_pm_notify+0x50/0x50 [ 185.939099][ T31] ? kthread_blkcg+0xd0/0xd0 [ 185.943531][ T31] ret_from_fork+0x1f/0x30 [ 185.947782][ T31] [ 185.950782][ T31] Sending NMI from CPU 0 to CPUs 1: [ 185.955814][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_enter+0x411/0x6d0 [ 206.347904][ T31] INFO: task kworker/u4:2:93 blocked for more than 164 seconds. [ 206.355576][ T31] Not tainted 5.15.82-syzkaller #0 [ 206.361114][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 206.369602][ T31] task:kworker/u4:2 state:D stack:22912 pid: 93 ppid: 2 flags:0x00004000 [ 206.379246][ T31] Workqueue: writeback wb_workfn (flush-7:0) [ 206.385016][ T31] Call Trace: [ 206.388238][ T31] [ 206.391009][ T31] __schedule+0xb60/0x1060 [ 206.395433][ T31] ? unwind_next_frame+0x3b0/0x6b0 [ 206.400460][ T31] ? release_firmware_map_entry+0x18e/0x18e [ 206.406143][ T31] ? stack_trace_save+0x1f0/0x1f0 [ 206.411755][ T31] ? wq_worker_sleeping+0x62/0x210 [ 206.416703][ T31] schedule+0x12b/0x1f0 [ 206.420748][ T31] io_schedule+0x8e/0x120 [ 206.424942][ T31] wait_on_page_bit_common+0x925/0xc30 [ 206.431117][ T31] ? wait_on_page_bit+0x50/0x50 [ 206.435787][ T31] ? radix_tree_insert+0x22e/0x680 [ 206.440770][ T31] ? page_mapcount+0xf0/0xf0 [ 206.445339][ T31] ? xas_load+0x2c7/0x2e0 [ 206.449833][ T31] pagecache_get_page+0x70a/0xd10 [ 206.454803][ T31] ? page_cache_prev_miss+0x430/0x430 [ 206.460042][ T31] __get_node_page+0x1ea/0xb90 [ 206.464618][ T31] ? radix_tree_node_alloc+0x80/0x3c0 [ 206.469895][ T31] ? read_node_page+0x730/0x730 [ 206.474505][ T31] ? __kasan_check_write+0x14/0x20 [ 206.480184][ T31] ? up_read+0x6f/0x1b0 [ 206.484133][ T31] ? down_write_trylock+0x150/0x150 [ 206.489249][ T31] f2fs_get_node_page+0x21/0x30 [ 206.493853][ T31] do_garbage_collect+0x1da1/0x64c0 [ 206.499630][ T31] ? __kasan_check_write+0x14/0x20 [ 206.504575][ T31] ? has_not_enough_free_secs+0x920/0x920 [ 206.510473][ T31] ? __f2fs_write_data_pages+0x3d8/0x2b90 [ 206.516095][ T31] ? set_page_private_gcing+0x130/0x130 [ 206.521523][ T31] ? __kasan_check_write+0x14/0x20 [ 206.526519][ T31] ? up_write+0xa1/0x190 [ 206.530931][ T31] ? up_read+0x1b0/0x1b0 [ 206.535195][ T31] f2fs_gc+0x8aa/0x17c0 [ 206.539306][ T31] ? xas_set_mark+0x241/0x390 [ 206.543868][ T31] ? f2fs_start_bidx_of_node+0x340/0x340 [ 206.549397][ T31] ? __kasan_check_write+0x14/0x20 [ 206.554379][ T31] ? __kasan_check_write+0x14/0x20 [ 206.559354][ T31] ? down_read_killable+0x30/0x30 [ 206.564259][ T31] ? has_not_enough_free_secs+0x3fe/0x910 [ 206.569894][ T31] f2fs_balance_fs+0x335/0x3e0 [ 206.574532][ T31] ? f2fs_commit_inmem_pages+0x100/0x100 [ 206.580157][ T31] ? __kasan_check_write+0x14/0x20 [ 206.585045][ T31] ? f2fs_put_page+0x117/0x180 [ 206.589754][ T31] ? f2fs_update_inode_page+0x101/0x130 [ 206.595106][ T31] f2fs_write_inode+0x501/0x580 [ 206.599852][ T31] write_inode+0xf5/0x2a0 [ 206.604047][ T31] __writeback_single_inode+0x38b/0x6d0 [ 206.609657][ T31] writeback_sb_inodes+0xb44/0x1930 [ 206.614686][ T31] ? queue_io+0x500/0x500 [ 206.618890][ T31] ? __writeback_inodes_wb+0x430/0x430 [ 206.624227][ T31] ? queue_io+0x3c7/0x500 [ 206.628582][ T31] ? __kasan_check_write+0x14/0x20 [ 206.633445][ T31] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 206.638464][ T31] wb_writeback+0x401/0x9f0 [ 206.642731][ T31] ? inode_cgwb_move_to_attached+0x400/0x400 [ 206.648876][ T31] ? widen_string+0x41/0x3a0 [ 206.653292][ T31] ? __kasan_check_write+0x14/0x20 [ 206.658285][ T31] ? vsnprintf+0x1c02/0x1ce0 [ 206.662722][ T31] wb_do_writeback+0x222/0xbd0 [ 206.667269][ T31] ? wb_workfn+0x3e0/0x3e0 [ 206.671710][ T31] ? compat_start_thread+0x20/0x20 [ 206.676723][ T31] ? set_worker_desc+0x158/0x1c0 [ 206.681528][ T31] ? work_busy+0x250/0x250 [ 206.685755][ T31] ? finish_task_switch+0x173/0x700 [ 206.690854][ T31] ? kthread_data+0x52/0xc0 [ 206.695116][ T31] wb_workfn+0xf8/0x3e0 [ 206.699161][ T31] process_one_work+0x6db/0xc00 [ 206.703802][ T31] worker_thread+0xb3e/0x1340 [ 206.708596][ T31] kthread+0x41c/0x500 [ 206.712406][ T31] ? worker_clr_flags+0x180/0x180 [ 206.717352][ T31] ? kthread_blkcg+0xd0/0xd0 [ 206.721910][ T31] ret_from_fork+0x1f/0x30 [ 206.726181][ T31] [ 206.729095][ T31] INFO: task syz-executor.0:458 blocked for more than 165 seconds. [ 206.736799][ T31] Not tainted 5.15.82-syzkaller #0 [ 206.743756][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 206.752679][ T31] task:syz-executor.0 state:D stack:21856 pid: 458 ppid: 1 flags:0x00004004 [ 206.761819][ T31] Call Trace: [ 206.764867][ T31] [ 206.767639][ T31] __schedule+0xb60/0x1060 [ 206.772189][ T31] ? release_firmware_map_entry+0x18e/0x18e [ 206.778147][ T31] ? _raw_spin_unlock_irqrestore+0x5c/0x80 [ 206.783821][ T31] ? prepare_to_wait_event+0x464/0x560 [ 206.789161][ T31] schedule+0x12b/0x1f0 [ 206.793168][ T31] wb_wait_for_completion+0x155/0x280 [ 206.798724][ T31] ? __bpf_trace_writeback_inode_template+0x30/0x30 [ 206.805076][ T31] ? init_wait_entry+0xe0/0xe0 [ 206.809746][ T31] __writeback_inodes_sb_nr+0x2f0/0x3d0 [ 206.815463][ T31] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 206.821169][ T31] ? writeback_inodes_sb_nr+0x30/0x30 [ 206.826296][ T31] ? cpumask_next+0x8a/0xb0 [ 206.830663][ T31] ? get_nr_dirty_inodes+0x2bd/0x330 [ 206.835776][ T31] writeback_inodes_sb+0x81/0x90 [ 206.841014][ T31] sync_filesystem+0xa8/0x250 [ 206.845519][ T31] ? shrink_dcache_for_umount+0xde/0x1a0 [ 206.851030][ T31] generic_shutdown_super+0x71/0x2e0 [ 206.856095][ T31] kill_block_super+0x80/0xe0 [ 206.860772][ T31] kill_f2fs_super+0x2f3/0x3c0 [ 206.865467][ T31] ? up_read+0x1b0/0x1b0 [ 206.869592][ T31] ? f2fs_mount+0x40/0x40 [ 206.873803][ T31] ? unregister_shrinker+0x238/0x2d0 [ 206.879003][ T31] deactivate_locked_super+0xb0/0x100 [ 206.884134][ T31] deactivate_super+0xa5/0xd0 [ 206.888686][ T31] cleanup_mnt+0x45f/0x510 [ 206.893167][ T31] __cleanup_mnt+0x19/0x20 [ 206.897625][ T31] task_work_run+0x147/0x1b0 [ 206.902571][ T31] exit_to_user_mode_loop+0xfd/0x110 [ 206.907615][ T31] syscall_exit_to_user_mode+0x79/0xc0 [ 206.912938][ T31] do_syscall_64+0x50/0xd0 [ 206.917157][ T31] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 206.922950][ T31] RIP: 0033:0x7f87b1905a17 [ 206.927140][ T31] RSP: 002b:00007fff7af376f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 206.935703][ T31] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f87b1905a17 [ 206.943458][ T31] RDX: 00007fff7af377c9 RSI: 000000000000000a RDI: 00007fff7af377c0 [ 206.951257][ T31] RBP: 00007fff7af377c0 R08: 00000000ffffffff R09: 00007fff7af37590 [ 206.959090][ T31] R10: 000055555626d793 R11: 0000000000000246 R12: 00007f87b195e5f6 [ 206.966842][ T31] R13: 00007fff7af38880 R14: 000055555626d6f0 R15: 00007fff7af388c0 [ 206.974875][ T31] [ 206.977717][ T31] NMI backtrace for cpu 0 [ 206.981851][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted 5.15.82-syzkaller #0 [ 206.989767][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 206.999653][ T31] Call Trace: [ 207.002794][ T31] [ 207.005549][ T31] dump_stack_lvl+0x151/0x1b7 [ 207.010065][ T31] ? bfq_pos_tree_add_move+0x43e/0x43e [ 207.015352][ T31] dump_stack+0x15/0x17 [ 207.019547][ T31] nmi_cpu_backtrace+0x2fb/0x310 [ 207.024292][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 207.030278][ T31] ? memcpy+0x56/0x70 [ 207.034099][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 207.040085][ T31] nmi_trigger_cpumask_backtrace+0x134/0x240 [ 207.045998][ T31] arch_trigger_cpumask_backtrace+0x10/0x20 [ 207.051715][ T31] watchdog+0x6ee/0x740 [ 207.055709][ T31] kthread+0x41c/0x500 [ 207.059615][ T31] ? hungtask_pm_notify+0x50/0x50 [ 207.064566][ T31] ? kthread_blkcg+0xd0/0xd0 [ 207.068988][ T31] ret_from_fork+0x1f/0x30 [ 207.073243][ T31] [ 207.076313][ T31] Sending NMI from CPU 0 to CPUs 1: [ 207.081456][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_enter+0x411/0x6d0 [ 227.467875][ T31] INFO: task kworker/u4:2:93 blocked for more than 186 seconds. [ 227.475332][ T31] Not tainted 5.15.82-syzkaller #0 [ 227.480843][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 227.489357][ T31] task:kworker/u4:2 state:D stack:22912 pid: 93 ppid: 2 flags:0x00004000 [ 227.498633][ T31] Workqueue: writeback wb_workfn (flush-7:0) [ 227.504413][ T31] Call Trace: [ 227.507540][ T31] [ 227.510411][ T31] __schedule+0xb60/0x1060 [ 227.514650][ T31] ? unwind_next_frame+0x3b0/0x6b0 [ 227.519646][ T31] ? release_firmware_map_entry+0x18e/0x18e [ 227.525413][ T31] ? stack_trace_save+0x1f0/0x1f0 [ 227.530350][ T31] ? wq_worker_sleeping+0x62/0x210 [ 227.535220][ T31] schedule+0x12b/0x1f0 [ 227.539256][ T31] io_schedule+0x8e/0x120 [ 227.543734][ T31] wait_on_page_bit_common+0x925/0xc30 [ 227.549179][ T31] ? wait_on_page_bit+0x50/0x50 [ 227.553799][ T31] ? radix_tree_insert+0x22e/0x680 [ 227.558880][ T31] ? page_mapcount+0xf0/0xf0 [ 227.563367][ T31] ? xas_load+0x2c7/0x2e0 [ 227.567865][ T31] pagecache_get_page+0x70a/0xd10 [ 227.572651][ T31] ? page_cache_prev_miss+0x430/0x430 [ 227.577913][ T31] __get_node_page+0x1ea/0xb90 [ 227.583238][ T31] ? radix_tree_node_alloc+0x80/0x3c0 [ 227.588520][ T31] ? read_node_page+0x730/0x730 [ 227.593140][ T31] ? __kasan_check_write+0x14/0x20 [ 227.598213][ T31] ? up_read+0x6f/0x1b0 [ 227.602160][ T31] ? down_write_trylock+0x150/0x150 [ 227.607193][ T31] f2fs_get_node_page+0x21/0x30 [ 227.617416][ T31] do_garbage_collect+0x1da1/0x64c0 [ 227.622402][ T31] ? __kasan_check_write+0x14/0x20 [ 227.627415][ T31] ? has_not_enough_free_secs+0x920/0x920 [ 227.633231][ T31] ? __f2fs_write_data_pages+0x3d8/0x2b90 [ 227.638914][ T31] ? set_page_private_gcing+0x130/0x130 [ 227.644794][ T31] ? __kasan_check_write+0x14/0x20 [ 227.650046][ T31] ? up_write+0xa1/0x190 [ 227.654436][ T31] ? up_read+0x1b0/0x1b0 [ 227.658726][ T31] f2fs_gc+0x8aa/0x17c0 [ 227.662658][ T31] ? xas_set_mark+0x241/0x390 [ 227.667261][ T31] ? f2fs_start_bidx_of_node+0x340/0x340 [ 227.672857][ T31] ? __kasan_check_write+0x14/0x20 [ 227.677833][ T31] ? __kasan_check_write+0x14/0x20 [ 227.682739][ T31] ? down_read_killable+0x30/0x30 [ 227.687604][ T31] ? has_not_enough_free_secs+0x3fe/0x910 [ 227.693226][ T31] f2fs_balance_fs+0x335/0x3e0 [ 227.698208][ T31] ? f2fs_commit_inmem_pages+0x100/0x100 [ 227.703658][ T31] ? __kasan_check_write+0x14/0x20 [ 227.708669][ T31] ? f2fs_put_page+0x117/0x180 [ 227.713197][ T31] ? f2fs_update_inode_page+0x101/0x130 [ 227.718785][ T31] f2fs_write_inode+0x501/0x580 [ 227.723457][ T31] write_inode+0xf5/0x2a0 [ 227.727699][ T31] __writeback_single_inode+0x38b/0x6d0 [ 227.733144][ T31] writeback_sb_inodes+0xb44/0x1930 [ 227.738224][ T31] ? queue_io+0x500/0x500 [ 227.742363][ T31] ? __writeback_inodes_wb+0x430/0x430 [ 227.749311][ T31] ? queue_io+0x3c7/0x500 [ 227.753393][ T31] ? __kasan_check_write+0x14/0x20 [ 227.758380][ T31] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 227.763370][ T31] wb_writeback+0x401/0x9f0 [ 227.767734][ T31] ? inode_cgwb_move_to_attached+0x400/0x400 [ 227.773526][ T31] ? widen_string+0x41/0x3a0 [ 227.777991][ T31] ? __kasan_check_write+0x14/0x20 [ 227.782901][ T31] ? vsnprintf+0x1c02/0x1ce0 [ 227.788064][ T31] wb_do_writeback+0x222/0xbd0 [ 227.792602][ T31] ? wb_workfn+0x3e0/0x3e0 [ 227.796856][ T31] ? compat_start_thread+0x20/0x20 [ 227.801957][ T31] ? set_worker_desc+0x158/0x1c0 [ 227.806661][ T31] ? work_busy+0x250/0x250 [ 227.811177][ T31] ? finish_task_switch+0x173/0x700 [ 227.816242][ T31] ? kthread_data+0x52/0xc0 [ 227.820857][ T31] wb_workfn+0xf8/0x3e0 [ 227.824867][ T31] process_one_work+0x6db/0xc00 [ 227.829860][ T31] worker_thread+0xb3e/0x1340 [ 227.834391][ T31] kthread+0x41c/0x500 [ 227.838321][ T31] ? worker_clr_flags+0x180/0x180 [ 227.843142][ T31] ? kthread_blkcg+0xd0/0xd0 [ 227.847565][ T31] ret_from_fork+0x1f/0x30 [ 227.851891][ T31] [ 227.854812][ T31] INFO: task syz-executor.0:458 blocked for more than 186 seconds. [ 227.862708][ T31] Not tainted 5.15.82-syzkaller #0 [ 227.868392][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 227.877102][ T31] task:syz-executor.0 state:D stack:21856 pid: 458 ppid: 1 flags:0x00004004 [ 227.886457][ T31] Call Trace: [ 227.889672][ T31] [ 227.892419][ T31] __schedule+0xb60/0x1060 [ 227.896669][ T31] ? release_firmware_map_entry+0x18e/0x18e [ 227.902547][ T31] ? _raw_spin_unlock_irqrestore+0x5c/0x80 [ 227.908172][ T31] ? prepare_to_wait_event+0x464/0x560 [ 227.913420][ T31] schedule+0x12b/0x1f0 [ 227.917587][ T31] wb_wait_for_completion+0x155/0x280 [ 227.922834][ T31] ? __bpf_trace_writeback_inode_template+0x30/0x30 [ 227.929439][ T31] ? init_wait_entry+0xe0/0xe0 [ 227.934255][ T31] __writeback_inodes_sb_nr+0x2f0/0x3d0 [ 227.939863][ T31] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 227.945291][ T31] ? writeback_inodes_sb_nr+0x30/0x30 [ 227.950566][ T31] ? cpumask_next+0x8a/0xb0 [ 227.954932][ T31] ? get_nr_dirty_inodes+0x2bd/0x330 [ 227.960194][ T31] writeback_inodes_sb+0x81/0x90 [ 227.964906][ T31] sync_filesystem+0xa8/0x250 [ 227.969476][ T31] ? shrink_dcache_for_umount+0xde/0x1a0 [ 227.975057][ T31] generic_shutdown_super+0x71/0x2e0 [ 227.980209][ T31] kill_block_super+0x80/0xe0 [ 227.984679][ T31] kill_f2fs_super+0x2f3/0x3c0 [ 227.989425][ T31] ? up_read+0x1b0/0x1b0 [ 227.993570][ T31] ? f2fs_mount+0x40/0x40 [ 227.997842][ T31] ? unregister_shrinker+0x238/0x2d0 [ 228.003009][ T31] deactivate_locked_super+0xb0/0x100 [ 228.008281][ T31] deactivate_super+0xa5/0xd0 [ 228.012735][ T31] cleanup_mnt+0x45f/0x510 [ 228.016983][ T31] __cleanup_mnt+0x19/0x20 [ 228.021465][ T31] task_work_run+0x147/0x1b0 [ 228.025843][ T31] exit_to_user_mode_loop+0xfd/0x110 [ 228.031025][ T31] syscall_exit_to_user_mode+0x79/0xc0 [ 228.036352][ T31] do_syscall_64+0x50/0xd0 [ 228.040636][ T31] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 228.046410][ T31] RIP: 0033:0x7f87b1905a17 [ 228.050732][ T31] RSP: 002b:00007fff7af376f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 228.059065][ T31] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f87b1905a17 [ 228.066825][ T31] RDX: 00007fff7af377c9 RSI: 000000000000000a RDI: 00007fff7af377c0 [ 228.075175][ T31] RBP: 00007fff7af377c0 R08: 00000000ffffffff R09: 00007fff7af37590 [ 228.083185][ T31] R10: 000055555626d793 R11: 0000000000000246 R12: 00007f87b195e5f6 [ 228.090993][ T31] R13: 00007fff7af38880 R14: 000055555626d6f0 R15: 00007fff7af388c0 [ 228.098835][ T31] [ 228.101822][ T31] NMI backtrace for cpu 0 [ 228.105907][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted 5.15.82-syzkaller #0 [ 228.113844][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 228.123700][ T31] Call Trace: [ 228.126909][ T31] [ 228.129687][ T31] dump_stack_lvl+0x151/0x1b7 [ 228.134856][ T31] ? bfq_pos_tree_add_move+0x43e/0x43e [ 228.140108][ T31] dump_stack+0x15/0x17 [ 228.144448][ T31] nmi_cpu_backtrace+0x2fb/0x310 [ 228.149828][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 228.155824][ T31] ? memcpy+0x56/0x70 [ 228.159641][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 228.165537][ T31] nmi_trigger_cpumask_backtrace+0x134/0x240 [ 228.171581][ T31] arch_trigger_cpumask_backtrace+0x10/0x20 [ 228.177397][ T31] watchdog+0x6ee/0x740 [ 228.181392][ T31] kthread+0x41c/0x500 [ 228.185297][ T31] ? hungtask_pm_notify+0x50/0x50 [ 228.190167][ T31] ? kthread_blkcg+0xd0/0xd0 [ 228.194579][ T31] ret_from_fork+0x1f/0x30 [ 228.198843][ T31] [ 228.201844][ T31] Sending NMI from CPU 0 to CPUs 1: [ 228.206954][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_enter+0x411/0x6d0 [ 230.805062][ T29] audit: type=1400 audit(1670608396.650:147): avc: denied { remove_name } for pid=162 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 230.827833][ T29] audit: type=1400 audit(1670608396.650:148): avc: denied { rename } for pid=162 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 248.587901][ T31] INFO: task kworker/u4:2:93 blocked for more than 207 seconds. [ 248.595681][ T31] Not tainted 5.15.82-syzkaller #0 [ 248.601225][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 248.610098][ T31] task:kworker/u4:2 state:D stack:22912 pid: 93 ppid: 2 flags:0x00004000 [ 248.619265][ T31] Workqueue: writeback wb_workfn (flush-7:0) [ 248.625147][ T31] Call Trace: [ 248.628498][ T31] [ 248.631211][ T31] __schedule+0xb60/0x1060 [ 248.635474][ T31] ? unwind_next_frame+0x3b0/0x6b0 [ 248.640498][ T31] ? release_firmware_map_entry+0x18e/0x18e [ 248.646231][ T31] ? stack_trace_save+0x1f0/0x1f0 [ 248.651298][ T31] ? wq_worker_sleeping+0x62/0x210 [ 248.656255][ T31] schedule+0x12b/0x1f0 [ 248.660338][ T31] io_schedule+0x8e/0x120 [ 248.664404][ T31] wait_on_page_bit_common+0x925/0xc30 [ 248.669823][ T31] ? wait_on_page_bit+0x50/0x50 [ 248.674474][ T31] ? radix_tree_insert+0x22e/0x680 [ 248.679493][ T31] ? page_mapcount+0xf0/0xf0 [ 248.683844][ T31] ? xas_load+0x2c7/0x2e0 [ 248.688051][ T31] pagecache_get_page+0x70a/0xd10 [ 248.692870][ T31] ? page_cache_prev_miss+0x430/0x430 [ 248.698245][ T31] __get_node_page+0x1ea/0xb90 [ 248.702942][ T31] ? radix_tree_node_alloc+0x80/0x3c0 [ 248.708699][ T31] ? read_node_page+0x730/0x730 [ 248.713503][ T31] ? __kasan_check_write+0x14/0x20 [ 248.718599][ T31] ? up_read+0x6f/0x1b0 [ 248.722673][ T31] ? down_write_trylock+0x150/0x150 [ 248.727706][ T31] f2fs_get_node_page+0x21/0x30 [ 248.732453][ T31] do_garbage_collect+0x1da1/0x64c0 [ 248.737424][ T31] ? __kasan_check_write+0x14/0x20 [ 248.742540][ T31] ? has_not_enough_free_secs+0x920/0x920 [ 248.748041][ T31] ? __f2fs_write_data_pages+0x3d8/0x2b90 [ 248.754032][ T31] ? set_page_private_gcing+0x130/0x130 [ 248.759485][ T31] ? __kasan_check_write+0x14/0x20 [ 248.764572][ T31] ? up_write+0xa1/0x190 [ 248.768696][ T31] ? up_read+0x1b0/0x1b0 [ 248.772716][ T31] f2fs_gc+0x8aa/0x17c0 [ 248.776702][ T31] ? xas_set_mark+0x241/0x390 [ 248.781486][ T31] ? f2fs_start_bidx_of_node+0x340/0x340 [ 248.786870][ T31] ? __kasan_check_write+0x14/0x20 [ 248.791874][ T31] ? __kasan_check_write+0x14/0x20 [ 248.796765][ T31] ? down_read_killable+0x30/0x30 [ 248.801721][ T31] ? has_not_enough_free_secs+0x3fe/0x910 [ 248.807174][ T31] f2fs_balance_fs+0x335/0x3e0 [ 248.811894][ T31] ? f2fs_commit_inmem_pages+0x100/0x100 [ 248.817333][ T31] ? __kasan_check_write+0x14/0x20 [ 248.822451][ T31] ? f2fs_put_page+0x117/0x180 [ 248.827076][ T31] ? f2fs_update_inode_page+0x101/0x130 [ 248.832623][ T31] f2fs_write_inode+0x501/0x580 [ 248.837282][ T31] write_inode+0xf5/0x2a0 [ 248.841552][ T31] __writeback_single_inode+0x38b/0x6d0 [ 248.847351][ T31] writeback_sb_inodes+0xb44/0x1930 [ 248.852428][ T31] ? queue_io+0x500/0x500 [ 248.856569][ T31] ? __writeback_inodes_wb+0x430/0x430 [ 248.861950][ T31] ? queue_io+0x3c7/0x500 [ 248.866101][ T31] ? __kasan_check_write+0x14/0x20 [ 248.871091][ T31] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 248.876003][ T31] wb_writeback+0x401/0x9f0 [ 248.880369][ T31] ? inode_cgwb_move_to_attached+0x400/0x400 [ 248.886191][ T31] ? widen_string+0x41/0x3a0 [ 248.890609][ T31] ? __kasan_check_write+0x14/0x20 [ 248.895528][ T31] ? vsnprintf+0x1c02/0x1ce0 [ 248.900010][ T31] wb_do_writeback+0x222/0xbd0 [ 248.904549][ T31] ? wb_workfn+0x3e0/0x3e0 [ 248.908834][ T31] ? compat_start_thread+0x20/0x20 [ 248.913781][ T31] ? set_worker_desc+0x158/0x1c0 [ 248.918556][ T31] ? work_busy+0x250/0x250 [ 248.923022][ T31] ? finish_task_switch+0x173/0x700 [ 248.928011][ T31] ? kthread_data+0x52/0xc0 [ 248.932324][ T31] wb_workfn+0xf8/0x3e0 [ 248.936442][ T31] process_one_work+0x6db/0xc00 [ 248.941119][ T31] worker_thread+0xb3e/0x1340 [ 248.945605][ T31] kthread+0x41c/0x500 [ 248.949535][ T31] ? worker_clr_flags+0x180/0x180 [ 248.954556][ T31] ? kthread_blkcg+0xd0/0xd0 [ 248.959004][ T31] ret_from_fork+0x1f/0x30 [ 248.963229][ T31] [ 248.966128][ T31] INFO: task syz-executor.0:458 blocked for more than 207 seconds. [ 248.973874][ T31] Not tainted 5.15.82-syzkaller #0 [ 248.979303][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 248.987859][ T31] task:syz-executor.0 state:D stack:21856 pid: 458 ppid: 1 flags:0x00004004 [ 248.996980][ T31] Call Trace: [ 249.000099][ T31] [ 249.002808][ T31] __schedule+0xb60/0x1060 [ 249.007059][ T31] ? release_firmware_map_entry+0x18e/0x18e [ 249.012940][ T31] ? _raw_spin_unlock_irqrestore+0x5c/0x80 [ 249.018554][ T31] ? prepare_to_wait_event+0x464/0x560 [ 249.023810][ T31] schedule+0x12b/0x1f0 [ 249.028326][ T31] wb_wait_for_completion+0x155/0x280 [ 249.033508][ T31] ? __bpf_trace_writeback_inode_template+0x30/0x30 [ 249.039953][ T31] ? init_wait_entry+0xe0/0xe0 [ 249.044521][ T31] __writeback_inodes_sb_nr+0x2f0/0x3d0 [ 249.049932][ T31] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 249.055429][ T31] ? writeback_inodes_sb_nr+0x30/0x30 [ 249.060751][ T31] ? cpumask_next+0x8a/0xb0 [ 249.065021][ T31] ? get_nr_dirty_inodes+0x2bd/0x330 [ 249.070177][ T31] writeback_inodes_sb+0x81/0x90 [ 249.075002][ T31] sync_filesystem+0xa8/0x250 [ 249.079640][ T31] ? shrink_dcache_for_umount+0xde/0x1a0 [ 249.085067][ T31] generic_shutdown_super+0x71/0x2e0 [ 249.090223][ T31] kill_block_super+0x80/0xe0 [ 249.094711][ T31] kill_f2fs_super+0x2f3/0x3c0 [ 249.099420][ T31] ? up_read+0x1b0/0x1b0 [ 249.103468][ T31] ? f2fs_mount+0x40/0x40 [ 249.107641][ T31] ? unregister_shrinker+0x238/0x2d0 [ 249.112974][ T31] deactivate_locked_super+0xb0/0x100 [ 249.118168][ T31] deactivate_super+0xa5/0xd0 [ 249.122653][ T31] cleanup_mnt+0x45f/0x510 [ 249.128868][ T31] __cleanup_mnt+0x19/0x20 [ 249.134056][ T31] task_work_run+0x147/0x1b0 [ 249.138517][ T31] exit_to_user_mode_loop+0xfd/0x110 [ 249.144089][ T31] syscall_exit_to_user_mode+0x79/0xc0 [ 249.149403][ T31] do_syscall_64+0x50/0xd0 [ 249.153740][ T31] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 249.159662][ T31] RIP: 0033:0x7f87b1905a17 [ 249.163882][ T31] RSP: 002b:00007fff7af376f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 249.172163][ T31] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f87b1905a17 [ 249.179953][ T31] RDX: 00007fff7af377c9 RSI: 000000000000000a RDI: 00007fff7af377c0 [ 249.187747][ T31] RBP: 00007fff7af377c0 R08: 00000000ffffffff R09: 00007fff7af37590 [ 249.195643][ T31] R10: 000055555626d793 R11: 0000000000000246 R12: 00007f87b195e5f6 [ 249.203577][ T31] R13: 00007fff7af38880 R14: 000055555626d6f0 R15: 00007fff7af388c0 [ 249.211376][ T31] [ 249.214234][ T31] NMI backtrace for cpu 1 [ 249.218384][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted 5.15.82-syzkaller #0 [ 249.226145][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 249.236088][ T31] Call Trace: [ 249.239296][ T31] [ 249.242075][ T31] dump_stack_lvl+0x151/0x1b7 [ 249.246586][ T31] ? bfq_pos_tree_add_move+0x43e/0x43e [ 249.251971][ T31] dump_stack+0x15/0x17 [ 249.255971][ T31] nmi_cpu_backtrace+0x2fb/0x310 [ 249.260747][ T31] ? nmi_trigger_cpumask_backtrace+0x240/0x240 [ 249.266966][ T31] ? memcpy+0x56/0x70 [ 249.270893][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 249.276762][ T31] nmi_trigger_cpumask_backtrace+0x134/0x240 [ 249.282843][ T31] arch_trigger_cpumask_backtrace+0x10/0x20 [ 249.288567][ T31] watchdog+0x6ee/0x740 [ 249.292556][ T31] kthread+0x41c/0x500 [ 249.296668][ T31] ? hungtask_pm_notify+0x50/0x50 [ 249.301725][ T31] ? kthread_blkcg+0xd0/0xd0 [ 249.306337][ T31] ret_from_fork+0x1f/0x30 [ 249.310576][ T31] [ 249.313654][ T31] Sending NMI from CPU 1 to CPUs 0: [ 249.318728][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x411/0x6d0