Warning: Permanently added '10.128.1.109' (ECDSA) to the list of known hosts. 2023/01/25 09:59:33 ignoring optional flag "sandboxArg"="0" 2023/01/25 09:59:33 parsed 1 programs 2023/01/25 09:59:33 executed programs: 0 [ 46.045836][ T30] kauditd_printk_skb: 65 callbacks suppressed [ 46.045842][ T30] audit: type=1400 audit(1674640773.449:137): avc: denied { mounton } for pid=380 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 [ 46.077378][ T30] audit: type=1400 audit(1674640773.449:138): avc: denied { mount } for pid=380 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 [ 46.114713][ T383] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.121640][ T383] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.129007][ T383] device bridge_slave_0 entered promiscuous mode [ 46.136389][ T383] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.143425][ T383] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.150746][ T383] device bridge_slave_1 entered promiscuous mode [ 46.183318][ T383] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.190519][ T383] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.197773][ T383] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.204975][ T383] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.220616][ T341] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.228180][ T341] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.235458][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.242995][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.251427][ T58] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.259433][ T58] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.266318][ T58] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.282330][ T383] device veth0_vlan entered promiscuous mode [ 46.288817][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.297098][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.304825][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.312101][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.319482][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.327564][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.334611][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.342015][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.350392][ T341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.361455][ T383] device veth1_macvtap entered promiscuous mode [ 46.368044][ T335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.381963][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.390253][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.401414][ T30] audit: type=1400 audit(1674640773.799:139): avc: denied { mount } for pid=383 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 [ 46.432239][ T390] loop0: detected capacity change from 0 to 131072 [ 46.443875][ T390] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 46.451331][ T390] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 46.457626][ T30] audit: type=1400 audit(1674640773.849:140): avc: denied { mounton } for pid=389 comm="syz-executor.0" path="/root/syzkaller-testdir2784415185/syzkaller.LFUtj6/0/file0" dev="sda1" ino=1148 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 46.462586][ T390] F2FS-fs (loop0): Found nat_bits in checkpoint [ 46.505017][ T390] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 46.512184][ T390] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 [ 46.520498][ T30] audit: type=1400 audit(1674640773.919:141): avc: denied { mount } for pid=389 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 [ 46.543053][ T30] audit: type=1400 audit(1674640773.929:142): avc: denied { write } for pid=389 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 [ 46.567241][ T30] audit: type=1400 audit(1674640773.929:143): avc: denied { add_name } for pid=389 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 46.588230][ T30] audit: type=1400 audit(1674640773.929:144): avc: denied { create } for pid=389 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 46.609089][ T30] audit: type=1400 audit(1674640773.929:145): avc: denied { read write open } for pid=389 comm="syz-executor.0" path="/root/syzkaller-testdir2784415185/syzkaller.LFUtj6/0/file0/bus" dev="loop0" ino=455 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 46.764835][ T30] audit: type=1400 audit(1674640774.169:146): avc: denied { unmount } for pid=383 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 46.786186][ T10] F2FS-fs (loop0): Inconsistent ofs_in_node:50161 in summary, ino:8, nid:8, max:923 [ 170.852823][ T31] INFO: task kworker/u4:1:10 blocked for more than 122 seconds. [ 170.860404][ T31] Not tainted 5.15.80-syzkaller #0 [ 170.866331][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 170.875157][ T31] task:kworker/u4:1 state:D stack:21536 pid: 10 ppid: 2 flags:0x00004000 [ 170.884795][ T31] Workqueue: writeback wb_workfn (flush-7:0) [ 170.890762][ T31] Call Trace: [ 170.893946][ T31] [ 170.896830][ T31] __schedule+0xb00/0x1040 [ 170.901080][ T31] ? __sched_text_start+0x8/0x8 [ 170.905817][ T31] ? stack_trace_save+0x1f0/0x1f0 [ 170.910624][ T31] ? arch_stack_walk+0x112/0x140 [ 170.915445][ T31] ? blk_check_plugged+0x210/0x210 [ 170.920426][ T31] schedule+0x12b/0x1f0 [ 170.924494][ T31] io_schedule+0x8e/0x120 [ 170.928583][ T31] wait_on_page_bit_common+0x6dd/0x990 [ 170.933917][ T31] ? wait_on_page_bit+0x40/0x40 [ 170.938564][ T31] ? radix_tree_insert+0x1d0/0x580 [ 170.943582][ T31] ? page_mapcount+0xb0/0xb0 [ 170.947988][ T31] ? xas_load+0x23/0x2c0 [ 170.952293][ T31] pagecache_get_page+0x520/0xa70 [ 170.957594][ T31] ? page_cache_prev_miss+0x390/0x390 [ 170.962781][ T31] __get_node_page+0x192/0xd00 [ 170.967481][ T31] ? read_node_page+0x570/0x570 [ 170.972171][ T31] ? __kasan_check_write+0x14/0x20 [ 170.977175][ T31] ? down_read+0xf9/0x230 [ 170.981272][ T31] ? __down_common+0x4f0/0x4f0 [ 170.985954][ T31] ? __kasan_check_write+0x14/0x20 [ 170.990817][ T31] f2fs_get_node_page+0xd/0x10 [ 170.995458][ T31] do_garbage_collect+0x17a2/0x5940 [ 171.000463][ T31] ? __stack_depot_save+0x34/0x4b0 [ 171.005839][ T31] ? has_not_enough_free_secs+0x910/0x910 [ 171.011757][ T31] ? xas_create_range+0x187/0x680 [ 171.016656][ T31] ? f2fs_inode_chksum_verify+0xb4/0xcd0 [ 171.022097][ T31] ? memset+0x35/0x40 [ 171.025984][ T31] ? set_page_private_gcing+0xf0/0xf0 [ 171.031262][ T31] ? __down_write+0x153/0x3a0 [ 171.035801][ T31] ? __up_write+0x87/0x160 [ 171.040004][ T31] f2fs_gc+0x818/0x1510 [ 171.044106][ T31] ? f2fs_start_bidx_of_node+0x2e0/0x2e0 [ 171.049545][ T31] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 171.055383][ T31] ? __kasan_check_read+0x11/0x20 [ 171.060463][ T31] ? has_not_enough_free_secs+0x16d/0x910 [ 171.066676][ T31] f2fs_balance_fs+0x2c6/0x370 [ 171.072258][ T31] ? f2fs_commit_inmem_pages+0x100/0x100 [ 171.078142][ T31] ? __kasan_check_write+0x14/0x20 [ 171.083170][ T31] ? f2fs_put_page+0xa4/0xf0 [ 171.087724][ T31] ? f2fs_update_inode_page+0x9f/0x110 [ 171.093239][ T31] f2fs_write_inode+0x3a6/0x410 [ 171.098153][ T31] write_inode+0xeb/0x220 [ 171.102551][ T31] __writeback_single_inode+0x278/0x4f0 [ 171.108644][ T31] writeback_sb_inodes+0x91d/0x16c0 [ 171.113814][ T31] ? queue_io+0x430/0x430 [ 171.118036][ T31] ? __writeback_inodes_wb+0x340/0x340 [ 171.124126][ T31] ? __kasan_check_read+0x11/0x20 [ 171.129239][ T31] ? queue_io+0x288/0x430 [ 171.133555][ T31] ? __kasan_check_read+0x11/0x20 [ 171.138344][ T31] wb_writeback+0x3a8/0x850 [ 171.142684][ T31] ? blk_mq_complete_request_remote+0x273/0x480 [ 171.148762][ T31] ? inode_cgwb_move_to_attached+0x380/0x380 [ 171.154611][ T31] ? __kasan_check_write+0x14/0x20 [ 171.159527][ T31] ? string+0x25c/0x270 [ 171.164042][ T31] wb_do_writeback+0x211/0xa70 [ 171.168547][ T31] ? wb_workfn+0x310/0x310 [ 171.173046][ T31] ? set_worker_desc+0x11c/0x180 [ 171.177978][ T31] ? work_busy+0x1f0/0x1f0 [ 171.182193][ T31] ? __schedule+0xb08/0x1040 [ 171.186997][ T31] ? __kasan_check_write+0x14/0x20 [ 171.191910][ T31] wb_workfn+0xe4/0x310 [ 171.196019][ T31] process_one_work+0x6bc/0xb40 [ 171.200591][ T31] worker_thread+0x90b/0xfe0 [ 171.205260][ T31] kthread+0x39c/0x480 [ 171.209111][ T31] ? worker_clr_flags+0x120/0x120 [ 171.214003][ T31] ? kthread_blkcg+0xa0/0xa0 [ 171.218387][ T31] ret_from_fork+0x1f/0x30 [ 171.222668][ T31] [ 171.226127][ T31] INFO: task syz-executor.0:383 blocked for more than 123 seconds. [ 171.233992][ T31] Not tainted 5.15.80-syzkaller #0 [ 171.239359][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 171.248078][ T31] task:syz-executor.0 state:D stack:21856 pid: 383 ppid: 1 flags:0x00004004 [ 171.257460][ T31] Call Trace: [ 171.260911][ T31] [ 171.263775][ T31] __schedule+0xb00/0x1040 [ 171.268170][ T31] ? __kasan_check_write+0x14/0x20 [ 171.273150][ T31] ? __sched_text_start+0x8/0x8 [ 171.278012][ T31] ? _raw_spin_unlock_irq+0x4e/0x70 [ 171.283175][ T31] ? wb_queue_work+0x274/0x350 [ 171.287841][ T31] ? _raw_spin_unlock_irqrestore+0x5c/0x80 [ 171.293510][ T31] ? prepare_to_wait_event+0x464/0x560 [ 171.298766][ T31] schedule+0x12b/0x1f0 [ 171.302787][ T31] wb_wait_for_completion+0x163/0x220 [ 171.307964][ T31] ? sync_inodes_sb+0x810/0x810 [ 171.312660][ T31] ? __bpf_trace_writeback_inode_template+0x10/0x10 [ 171.319104][ T31] ? io_schedule+0x120/0x120 [ 171.323700][ T31] ? _raw_spin_lock+0xa3/0x1b0 [ 171.328318][ T31] __writeback_inodes_sb_nr+0x2b8/0x380 [ 171.333701][ T31] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 171.338974][ T31] ? writeback_inodes_sb_nr+0x10/0x10 [ 171.344198][ T31] ? dentry_free+0x8b/0xf0 [ 171.348426][ T31] ? get_nr_dirty_inodes+0x1d0/0x290 [ 171.353585][ T31] writeback_inodes_sb+0x6f/0x80 [ 171.358445][ T31] sync_filesystem+0x7f/0x1b0 [ 171.362987][ T31] generic_shutdown_super+0x6b/0x270 [ 171.368060][ T31] kill_block_super+0x78/0xc0 [ 171.372581][ T31] kill_f2fs_super+0x24d/0x310 [ 171.377407][ T31] ? f2fs_mount+0x20/0x20 [ 171.381527][ T31] ? unregister_shrinker+0x1ed/0x280 [ 171.386700][ T31] deactivate_locked_super+0x8b/0xe0 [ 171.391776][ T31] deactivate_super+0x5c/0x80 [ 171.396332][ T31] cleanup_mnt+0x3bd/0x460 [ 171.400793][ T31] __cleanup_mnt+0xd/0x10 [ 171.405082][ T31] task_work_run+0xd6/0x150 [ 171.409376][ T31] exit_to_user_mode_loop+0xfd/0x110 [ 171.414546][ T31] syscall_exit_to_user_mode+0x79/0xc0 [ 171.419789][ T31] do_syscall_64+0x50/0xd0 [ 171.424073][ T31] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 171.429767][ T31] RIP: 0033:0x7f406ebcca17 [ 171.434154][ T31] RSP: 002b:00007fffd8a199f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 171.442578][ T31] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f406ebcca17 [ 171.450741][ T31] RDX: 00007fffd8a19ac9 RSI: 000000000000000a RDI: 00007fffd8a19ac0 [ 171.458559][ T31] RBP: 00007fffd8a19ac0 R08: 00000000ffffffff R09: 00007fffd8a19890 [ 171.466483][ T31] R10: 0000555556fcb793 R11: 0000000000000246 R12: 00007f406ec255f6 [ 171.474467][ T31] R13: 00007fffd8a1ab80 R14: 0000555556fcb6f0 R15: 00007fffd8a1abc0 [ 171.482271][ T31] [ 171.485197][ T31] NMI backtrace for cpu 0 [ 171.489399][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted 5.15.80-syzkaller #0 [ 171.497376][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 171.507498][ T31] Call Trace: [ 171.510679][ T31] [ 171.513472][ T31] dump_stack_lvl+0x105/0x148 [ 171.517969][ T31] ? bfq_pos_tree_add_move+0x387/0x387 [ 171.523288][ T31] dump_stack+0x10/0x12 [ 171.527904][ T31] nmi_cpu_backtrace+0x234/0x240 [ 171.532810][ T31] ? nmi_trigger_cpumask_backtrace+0x190/0x190 [ 171.538800][ T31] ? memcpy+0x56/0x70 [ 171.542639][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.548738][ T31] nmi_trigger_cpumask_backtrace+0xca/0x190 [ 171.554550][ T31] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.560364][ T31] check_hung_uninterruptible_tasks+0x62b/0x6b0 [ 171.566528][ T31] ? hung_task_panic+0x10/0x10 [ 171.571212][ T31] watchdog+0xe9/0x120 [ 171.575208][ T31] kthread+0x39c/0x480 [ 171.579297][ T31] ? hungtask_pm_notify+0x20/0x20 [ 171.584146][ T31] ? kthread_blkcg+0xa0/0xa0 [ 171.588745][ T31] ret_from_fork+0x1f/0x30 [ 171.593007][ T31] [ 171.596037][ T31] Sending NMI from CPU 0 to CPUs 1: [ 171.601100][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_enter+0x2b8/0x5f0 [ 191.972812][ T31] INFO: task kworker/u4:1:10 blocked for more than 144 seconds. [ 191.980388][ T31] Not tainted 5.15.80-syzkaller #0 [ 191.985981][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 191.994587][ T31] task:kworker/u4:1 state:D stack:21536 pid: 10 ppid: 2 flags:0x00004000 [ 192.003621][ T31] Workqueue: writeback wb_workfn (flush-7:0) [ 192.009599][ T31] Call Trace: [ 192.012751][ T31] [ 192.015515][ T31] __schedule+0xb00/0x1040 [ 192.019733][ T31] ? __sched_text_start+0x8/0x8 [ 192.024483][ T31] ? stack_trace_save+0x1f0/0x1f0 [ 192.029280][ T31] ? arch_stack_walk+0x112/0x140 [ 192.034086][ T31] ? blk_check_plugged+0x210/0x210 [ 192.039009][ T31] schedule+0x12b/0x1f0 [ 192.043061][ T31] io_schedule+0x8e/0x120 [ 192.047160][ T31] wait_on_page_bit_common+0x6dd/0x990 [ 192.053097][ T31] ? wait_on_page_bit+0x40/0x40 [ 192.057748][ T31] ? radix_tree_insert+0x1d0/0x580 [ 192.062761][ T31] ? page_mapcount+0xb0/0xb0 [ 192.067120][ T31] ? xas_load+0x23/0x2c0 [ 192.071200][ T31] pagecache_get_page+0x520/0xa70 [ 192.076100][ T31] ? page_cache_prev_miss+0x390/0x390 [ 192.081270][ T31] __get_node_page+0x192/0xd00 [ 192.086015][ T31] ? read_node_page+0x570/0x570 [ 192.090640][ T31] ? __kasan_check_write+0x14/0x20 [ 192.095616][ T31] ? down_read+0xf9/0x230 [ 192.099754][ T31] ? __down_common+0x4f0/0x4f0 [ 192.104504][ T31] ? __kasan_check_write+0x14/0x20 [ 192.109391][ T31] f2fs_get_node_page+0xd/0x10 [ 192.114021][ T31] do_garbage_collect+0x17a2/0x5940 [ 192.119028][ T31] ? __stack_depot_save+0x34/0x4b0 [ 192.124021][ T31] ? has_not_enough_free_secs+0x910/0x910 [ 192.129697][ T31] ? xas_create_range+0x187/0x680 [ 192.134597][ T31] ? f2fs_inode_chksum_verify+0xb4/0xcd0 [ 192.140115][ T31] ? memset+0x35/0x40 [ 192.144100][ T31] ? set_page_private_gcing+0xf0/0xf0 [ 192.149420][ T31] ? __down_write+0x153/0x3a0 [ 192.153950][ T31] ? __up_write+0x87/0x160 [ 192.158176][ T31] f2fs_gc+0x818/0x1510 [ 192.162169][ T31] ? f2fs_start_bidx_of_node+0x2e0/0x2e0 [ 192.167732][ T31] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 192.172870][ T31] ? __kasan_check_read+0x11/0x20 [ 192.177704][ T31] ? has_not_enough_free_secs+0x16d/0x910 [ 192.183473][ T31] f2fs_balance_fs+0x2c6/0x370 [ 192.188066][ T31] ? f2fs_commit_inmem_pages+0x100/0x100 [ 192.193576][ T31] ? __kasan_check_write+0x14/0x20 [ 192.198487][ T31] ? f2fs_put_page+0xa4/0xf0 [ 192.203081][ T31] ? f2fs_update_inode_page+0x9f/0x110 [ 192.208338][ T31] f2fs_write_inode+0x3a6/0x410 [ 192.213040][ T31] write_inode+0xeb/0x220 [ 192.217169][ T31] __writeback_single_inode+0x278/0x4f0 [ 192.222548][ T31] writeback_sb_inodes+0x91d/0x16c0 [ 192.227734][ T31] ? queue_io+0x430/0x430 [ 192.231863][ T31] ? __writeback_inodes_wb+0x340/0x340 [ 192.237185][ T31] ? __kasan_check_read+0x11/0x20 [ 192.242205][ T31] ? queue_io+0x288/0x430 [ 192.246450][ T31] ? __kasan_check_read+0x11/0x20 [ 192.251403][ T31] wb_writeback+0x3a8/0x850 [ 192.255777][ T31] ? blk_mq_complete_request_remote+0x273/0x480 [ 192.261928][ T31] ? inode_cgwb_move_to_attached+0x380/0x380 [ 192.267906][ T31] ? __kasan_check_write+0x14/0x20 [ 192.272999][ T31] ? string+0x25c/0x270 [ 192.277406][ T31] wb_do_writeback+0x211/0xa70 [ 192.281986][ T31] ? wb_workfn+0x310/0x310 [ 192.286507][ T31] ? set_worker_desc+0x11c/0x180 [ 192.291263][ T31] ? work_busy+0x1f0/0x1f0 [ 192.295639][ T31] ? __schedule+0xb08/0x1040 [ 192.300026][ T31] ? __kasan_check_write+0x14/0x20 [ 192.305020][ T31] wb_workfn+0xe4/0x310 [ 192.308970][ T31] process_one_work+0x6bc/0xb40 [ 192.313717][ T31] worker_thread+0x90b/0xfe0 [ 192.318072][ T31] kthread+0x39c/0x480 [ 192.321978][ T31] ? worker_clr_flags+0x120/0x120 [ 192.326931][ T31] ? kthread_blkcg+0xa0/0xa0 [ 192.331583][ T31] ret_from_fork+0x1f/0x30 [ 192.335824][ T31] [ 192.338687][ T31] INFO: task syz-executor.0:383 blocked for more than 144 seconds. [ 192.346396][ T31] Not tainted 5.15.80-syzkaller #0 [ 192.351875][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 192.360483][ T31] task:syz-executor.0 state:D stack:21856 pid: 383 ppid: 1 flags:0x00004004 [ 192.369470][ T31] Call Trace: [ 192.372815][ T31] [ 192.375526][ T31] __schedule+0xb00/0x1040 [ 192.379896][ T31] ? __kasan_check_write+0x14/0x20 [ 192.384866][ T31] ? __sched_text_start+0x8/0x8 [ 192.389524][ T31] ? _raw_spin_unlock_irq+0x4e/0x70 [ 192.394603][ T31] ? wb_queue_work+0x274/0x350 [ 192.399174][ T31] ? _raw_spin_unlock_irqrestore+0x5c/0x80 [ 192.405177][ T31] ? prepare_to_wait_event+0x464/0x560 [ 192.410521][ T31] schedule+0x12b/0x1f0 [ 192.414601][ T31] wb_wait_for_completion+0x163/0x220 [ 192.419724][ T31] ? sync_inodes_sb+0x810/0x810 [ 192.424538][ T31] ? __bpf_trace_writeback_inode_template+0x10/0x10 [ 192.431045][ T31] ? io_schedule+0x120/0x120 [ 192.435622][ T31] ? _raw_spin_lock+0xa3/0x1b0 [ 192.440415][ T31] __writeback_inodes_sb_nr+0x2b8/0x380 [ 192.445909][ T31] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 192.451192][ T31] ? writeback_inodes_sb_nr+0x10/0x10 [ 192.456453][ T31] ? dentry_free+0x8b/0xf0 [ 192.460739][ T31] ? get_nr_dirty_inodes+0x1d0/0x290 [ 192.466056][ T31] writeback_inodes_sb+0x6f/0x80 [ 192.471154][ T31] sync_filesystem+0x7f/0x1b0 [ 192.475722][ T31] generic_shutdown_super+0x6b/0x270 [ 192.480818][ T31] kill_block_super+0x78/0xc0 [ 192.485329][ T31] kill_f2fs_super+0x24d/0x310 [ 192.489987][ T31] ? f2fs_mount+0x20/0x20 [ 192.494218][ T31] ? unregister_shrinker+0x1ed/0x280 [ 192.499455][ T31] deactivate_locked_super+0x8b/0xe0 [ 192.504599][ T31] deactivate_super+0x5c/0x80 [ 192.509081][ T31] cleanup_mnt+0x3bd/0x460 [ 192.513386][ T31] __cleanup_mnt+0xd/0x10 [ 192.517503][ T31] task_work_run+0xd6/0x150 [ 192.521838][ T31] exit_to_user_mode_loop+0xfd/0x110 [ 192.527160][ T31] syscall_exit_to_user_mode+0x79/0xc0 [ 192.532429][ T31] do_syscall_64+0x50/0xd0 [ 192.536731][ T31] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 192.542409][ T31] RIP: 0033:0x7f406ebcca17 [ 192.546683][ T31] RSP: 002b:00007fffd8a199f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 192.554953][ T31] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f406ebcca17 [ 192.562877][ T31] RDX: 00007fffd8a19ac9 RSI: 000000000000000a RDI: 00007fffd8a19ac0 [ 192.570734][ T31] RBP: 00007fffd8a19ac0 R08: 00000000ffffffff R09: 00007fffd8a19890 [ 192.578632][ T31] R10: 0000555556fcb793 R11: 0000000000000246 R12: 00007f406ec255f6 [ 192.586561][ T31] R13: 00007fffd8a1ab80 R14: 0000555556fcb6f0 R15: 00007fffd8a1abc0 [ 192.594503][ T31] [ 192.597313][ T31] NMI backtrace for cpu 1 [ 192.601453][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted 5.15.80-syzkaller #0 [ 192.609184][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 192.619272][ T31] Call Trace: [ 192.622478][ T31] [ 192.625255][ T31] dump_stack_lvl+0x105/0x148 [ 192.629892][ T31] ? bfq_pos_tree_add_move+0x387/0x387 [ 192.635148][ T31] dump_stack+0x10/0x12 [ 192.639148][ T31] nmi_cpu_backtrace+0x234/0x240 [ 192.643912][ T31] ? nmi_trigger_cpumask_backtrace+0x190/0x190 [ 192.649901][ T31] ? memcpy+0x56/0x70 [ 192.653719][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 192.659622][ T31] nmi_trigger_cpumask_backtrace+0xca/0x190 [ 192.665438][ T31] arch_trigger_cpumask_backtrace+0x10/0x20 [ 192.671404][ T31] check_hung_uninterruptible_tasks+0x62b/0x6b0 [ 192.677502][ T31] ? hung_task_panic+0x10/0x10 [ 192.682102][ T31] watchdog+0xe9/0x120 [ 192.686013][ T31] kthread+0x39c/0x480 [ 192.689910][ T31] ? hungtask_pm_notify+0x20/0x20 [ 192.694802][ T31] ? kthread_blkcg+0xa0/0xa0 [ 192.699284][ T31] ret_from_fork+0x1f/0x30 [ 192.703539][ T31] [ 192.706476][ T31] Sending NMI from CPU 1 to CPUs 0: [ 192.711471][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x2b8/0x5f0 [ 213.092795][ T31] INFO: task kworker/u4:1:10 blocked for more than 165 seconds. [ 213.100335][ T31] Not tainted 5.15.80-syzkaller #0 [ 213.105889][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 213.114371][ T31] task:kworker/u4:1 state:D stack:21536 pid: 10 ppid: 2 flags:0x00004000 [ 213.123375][ T31] Workqueue: writeback wb_workfn (flush-7:0) [ 213.129149][ T31] Call Trace: [ 213.132273][ T31] [ 213.135117][ T31] __schedule+0xb00/0x1040 [ 213.139306][ T31] ? __sched_text_start+0x8/0x8 [ 213.144051][ T31] ? stack_trace_save+0x1f0/0x1f0 [ 213.148872][ T31] ? arch_stack_walk+0x112/0x140 [ 213.153838][ T31] ? blk_check_plugged+0x210/0x210 [ 213.158790][ T31] schedule+0x12b/0x1f0 [ 213.162993][ T31] io_schedule+0x8e/0x120 [ 213.167076][ T31] wait_on_page_bit_common+0x6dd/0x990 [ 213.172367][ T31] ? wait_on_page_bit+0x40/0x40 [ 213.177122][ T31] ? radix_tree_insert+0x1d0/0x580 [ 213.182003][ T31] ? page_mapcount+0xb0/0xb0 [ 213.186562][ T31] ? xas_load+0x23/0x2c0 [ 213.190605][ T31] pagecache_get_page+0x520/0xa70 [ 213.195546][ T31] ? page_cache_prev_miss+0x390/0x390 [ 213.200679][ T31] __get_node_page+0x192/0xd00 [ 213.205369][ T31] ? read_node_page+0x570/0x570 [ 213.209961][ T31] ? __kasan_check_write+0x14/0x20 [ 213.214980][ T31] ? down_read+0xf9/0x230 [ 213.219075][ T31] ? __down_common+0x4f0/0x4f0 [ 213.223703][ T31] ? __kasan_check_write+0x14/0x20 [ 213.228752][ T31] f2fs_get_node_page+0xd/0x10 [ 213.233585][ T31] do_garbage_collect+0x17a2/0x5940 [ 213.238659][ T31] ? __stack_depot_save+0x34/0x4b0 [ 213.243640][ T31] ? has_not_enough_free_secs+0x910/0x910 [ 213.249239][ T31] ? xas_create_range+0x187/0x680 [ 213.254350][ T31] ? f2fs_inode_chksum_verify+0xb4/0xcd0 [ 213.259797][ T31] ? memset+0x35/0x40 [ 213.263670][ T31] ? set_page_private_gcing+0xf0/0xf0 [ 213.268812][ T31] ? __down_write+0x153/0x3a0 [ 213.273443][ T31] ? __up_write+0x87/0x160 [ 213.277637][ T31] f2fs_gc+0x818/0x1510 [ 213.281579][ T31] ? f2fs_start_bidx_of_node+0x2e0/0x2e0 [ 213.287089][ T31] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 213.292544][ T31] ? __kasan_check_read+0x11/0x20 [ 213.297474][ T31] ? has_not_enough_free_secs+0x16d/0x910 [ 213.302959][ T31] f2fs_balance_fs+0x2c6/0x370 [ 213.307522][ T31] ? f2fs_commit_inmem_pages+0x100/0x100 [ 213.313261][ T31] ? __kasan_check_write+0x14/0x20 [ 213.318215][ T31] ? f2fs_put_page+0xa4/0xf0 [ 213.322801][ T31] ? f2fs_update_inode_page+0x9f/0x110 [ 213.328039][ T31] f2fs_write_inode+0x3a6/0x410 [ 213.332806][ T31] write_inode+0xeb/0x220 [ 213.336898][ T31] __writeback_single_inode+0x278/0x4f0 [ 213.342284][ T31] writeback_sb_inodes+0x91d/0x16c0 [ 213.347361][ T31] ? queue_io+0x430/0x430 [ 213.351482][ T31] ? __writeback_inodes_wb+0x340/0x340 [ 213.356861][ T31] ? __kasan_check_read+0x11/0x20 [ 213.361633][ T31] ? queue_io+0x288/0x430 [ 213.365926][ T31] ? __kasan_check_read+0x11/0x20 [ 213.370758][ T31] wb_writeback+0x3a8/0x850 [ 213.375150][ T31] ? blk_mq_complete_request_remote+0x273/0x480 [ 213.381264][ T31] ? inode_cgwb_move_to_attached+0x380/0x380 [ 213.387105][ T31] ? __kasan_check_write+0x14/0x20 [ 213.392453][ T31] ? string+0x25c/0x270 [ 213.396514][ T31] wb_do_writeback+0x211/0xa70 [ 213.401033][ T31] ? wb_workfn+0x310/0x310 [ 213.405364][ T31] ? set_worker_desc+0x11c/0x180 [ 213.410059][ T31] ? work_busy+0x1f0/0x1f0 [ 213.414376][ T31] ? __schedule+0xb08/0x1040 [ 213.418749][ T31] ? __kasan_check_write+0x14/0x20 [ 213.423711][ T31] wb_workfn+0xe4/0x310 [ 213.427673][ T31] process_one_work+0x6bc/0xb40 [ 213.432358][ T31] worker_thread+0x90b/0xfe0 [ 213.436856][ T31] kthread+0x39c/0x480 [ 213.440700][ T31] ? worker_clr_flags+0x120/0x120 [ 213.445691][ T31] ? kthread_blkcg+0xa0/0xa0 [ 213.450157][ T31] ret_from_fork+0x1f/0x30 [ 213.454485][ T31] [ 213.457431][ T31] INFO: task syz-executor.0:383 blocked for more than 165 seconds. [ 213.465134][ T31] Not tainted 5.15.80-syzkaller #0 [ 213.470656][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 213.479239][ T31] task:syz-executor.0 state:D stack:21856 pid: 383 ppid: 1 flags:0x00004004 [ 213.488208][ T31] Call Trace: [ 213.491308][ T31] [ 213.494142][ T31] __schedule+0xb00/0x1040 [ 213.498348][ T31] ? __kasan_check_write+0x14/0x20 [ 213.503334][ T31] ? __sched_text_start+0x8/0x8 [ 213.508070][ T31] ? _raw_spin_unlock_irq+0x4e/0x70 [ 213.513151][ T31] ? wb_queue_work+0x274/0x350 [ 213.517814][ T31] ? _raw_spin_unlock_irqrestore+0x5c/0x80 [ 213.523455][ T31] ? prepare_to_wait_event+0x464/0x560 [ 213.528725][ T31] schedule+0x12b/0x1f0 [ 213.532798][ T31] wb_wait_for_completion+0x163/0x220 [ 213.537922][ T31] ? sync_inodes_sb+0x810/0x810 [ 213.542603][ T31] ? __bpf_trace_writeback_inode_template+0x10/0x10 [ 213.549060][ T31] ? io_schedule+0x120/0x120 [ 213.553485][ T31] ? _raw_spin_lock+0xa3/0x1b0 [ 213.558047][ T31] __writeback_inodes_sb_nr+0x2b8/0x380 [ 213.563457][ T31] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 213.568638][ T31] ? writeback_inodes_sb_nr+0x10/0x10 [ 213.573976][ T31] ? dentry_free+0x8b/0xf0 [ 213.578104][ T31] ? get_nr_dirty_inodes+0x1d0/0x290 [ 213.583345][ T31] writeback_inodes_sb+0x6f/0x80 [ 213.588079][ T31] sync_filesystem+0x7f/0x1b0 [ 213.592594][ T31] generic_shutdown_super+0x6b/0x270 [ 213.597788][ T31] kill_block_super+0x78/0xc0 [ 213.602230][ T31] kill_f2fs_super+0x24d/0x310 [ 213.606858][ T31] ? f2fs_mount+0x20/0x20 [ 213.611089][ T31] ? unregister_shrinker+0x1ed/0x280 [ 213.616294][ T31] deactivate_locked_super+0x8b/0xe0 [ 213.621320][ T31] deactivate_super+0x5c/0x80 [ 213.625871][ T31] cleanup_mnt+0x3bd/0x460 [ 213.630181][ T31] __cleanup_mnt+0xd/0x10 [ 213.634406][ T31] task_work_run+0xd6/0x150 [ 213.638681][ T31] exit_to_user_mode_loop+0xfd/0x110 [ 213.643900][ T31] syscall_exit_to_user_mode+0x79/0xc0 [ 213.649183][ T31] do_syscall_64+0x50/0xd0 [ 213.653677][ T31] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 213.659309][ T31] RIP: 0033:0x7f406ebcca17 [ 213.663760][ T31] RSP: 002b:00007fffd8a199f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 213.671959][ T31] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f406ebcca17 [ 213.679840][ T31] RDX: 00007fffd8a19ac9 RSI: 000000000000000a RDI: 00007fffd8a19ac0 [ 213.687588][ T31] RBP: 00007fffd8a19ac0 R08: 00000000ffffffff R09: 00007fffd8a19890 [ 213.695438][ T31] R10: 0000555556fcb793 R11: 0000000000000246 R12: 00007f406ec255f6 [ 213.703382][ T31] R13: 00007fffd8a1ab80 R14: 0000555556fcb6f0 R15: 00007fffd8a1abc0 [ 213.711265][ T31] [ 213.714244][ T31] NMI backtrace for cpu 1 [ 213.718295][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted 5.15.80-syzkaller #0 [ 213.726197][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 213.736171][ T31] Call Trace: [ 213.739295][ T31] [ 213.742073][ T31] dump_stack_lvl+0x105/0x148 [ 213.746860][ T31] ? bfq_pos_tree_add_move+0x387/0x387 [ 213.752327][ T31] dump_stack+0x10/0x12 [ 213.756323][ T31] nmi_cpu_backtrace+0x234/0x240 [ 213.761093][ T31] ? nmi_trigger_cpumask_backtrace+0x190/0x190 [ 213.767257][ T31] ? memcpy+0x56/0x70 [ 213.771074][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 213.776974][ T31] nmi_trigger_cpumask_backtrace+0xca/0x190 [ 213.782850][ T31] arch_trigger_cpumask_backtrace+0x10/0x20 [ 213.788641][ T31] check_hung_uninterruptible_tasks+0x62b/0x6b0 [ 213.794802][ T31] ? hung_task_panic+0x10/0x10 [ 213.799401][ T31] watchdog+0xe9/0x120 [ 213.803307][ T31] kthread+0x39c/0x480 [ 213.807223][ T31] ? hungtask_pm_notify+0x20/0x20 [ 213.812326][ T31] ? kthread_blkcg+0xa0/0xa0 [ 213.816728][ T31] ret_from_fork+0x1f/0x30 [ 213.820962][ T31] [ 213.824086][ T31] Sending NMI from CPU 1 to CPUs 0: [ 213.829287][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x2b8/0x5f0 [ 234.212775][ T31] INFO: task kworker/u4:1:10 blocked for more than 186 seconds. [ 234.220218][ T31] Not tainted 5.15.80-syzkaller #0 [ 234.225730][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.234228][ T31] task:kworker/u4:1 state:D stack:21536 pid: 10 ppid: 2 flags:0x00004000 [ 234.243292][ T31] Workqueue: writeback wb_workfn (flush-7:0) [ 234.249043][ T31] Call Trace: [ 234.252382][ T31] [ 234.255215][ T31] __schedule+0xb00/0x1040 [ 234.259453][ T31] ? __sched_text_start+0x8/0x8 [ 234.264131][ T31] ? stack_trace_save+0x1f0/0x1f0 [ 234.269156][ T31] ? arch_stack_walk+0x112/0x140 [ 234.273954][ T31] ? blk_check_plugged+0x210/0x210 [ 234.279093][ T31] schedule+0x12b/0x1f0 [ 234.283273][ T31] io_schedule+0x8e/0x120 [ 234.287410][ T31] wait_on_page_bit_common+0x6dd/0x990 [ 234.292723][ T31] ? wait_on_page_bit+0x40/0x40 [ 234.297382][ T31] ? radix_tree_insert+0x1d0/0x580 [ 234.302333][ T31] ? page_mapcount+0xb0/0xb0 [ 234.306962][ T31] ? xas_load+0x23/0x2c0 [ 234.311201][ T31] pagecache_get_page+0x520/0xa70 [ 234.316337][ T31] ? page_cache_prev_miss+0x390/0x390 [ 234.321598][ T31] __get_node_page+0x192/0xd00 [ 234.326223][ T31] ? read_node_page+0x570/0x570 [ 234.330903][ T31] ? __kasan_check_write+0x14/0x20 [ 234.335978][ T31] ? down_read+0xf9/0x230 [ 234.340113][ T31] ? __down_common+0x4f0/0x4f0 [ 234.344800][ T31] ? __kasan_check_write+0x14/0x20 [ 234.349657][ T31] f2fs_get_node_page+0xd/0x10 [ 234.354289][ T31] do_garbage_collect+0x17a2/0x5940 [ 234.359294][ T31] ? __stack_depot_save+0x34/0x4b0 [ 234.364259][ T31] ? has_not_enough_free_secs+0x910/0x910 [ 234.369792][ T31] ? xas_create_range+0x187/0x680 [ 234.374708][ T31] ? f2fs_inode_chksum_verify+0xb4/0xcd0 [ 234.380138][ T31] ? memset+0x35/0x40 [ 234.383978][ T31] ? set_page_private_gcing+0xf0/0xf0 [ 234.389150][ T31] ? __down_write+0x153/0x3a0 [ 234.393712][ T31] ? __up_write+0x87/0x160 [ 234.397916][ T31] f2fs_gc+0x818/0x1510 [ 234.401913][ T31] ? f2fs_start_bidx_of_node+0x2e0/0x2e0 [ 234.407428][ T31] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 234.412582][ T31] ? __kasan_check_read+0x11/0x20 [ 234.417491][ T31] ? has_not_enough_free_secs+0x16d/0x910 [ 234.423104][ T31] f2fs_balance_fs+0x2c6/0x370 [ 234.427707][ T31] ? f2fs_commit_inmem_pages+0x100/0x100 [ 234.433201][ T31] ? __kasan_check_write+0x14/0x20 [ 234.438202][ T31] ? f2fs_put_page+0xa4/0xf0 [ 234.442635][ T31] ? f2fs_update_inode_page+0x9f/0x110 [ 234.448069][ T31] f2fs_write_inode+0x3a6/0x410 [ 234.452716][ T31] write_inode+0xeb/0x220 [ 234.456862][ T31] __writeback_single_inode+0x278/0x4f0 [ 234.462331][ T31] writeback_sb_inodes+0x91d/0x16c0 [ 234.467395][ T31] ? queue_io+0x430/0x430 [ 234.471532][ T31] ? __writeback_inodes_wb+0x340/0x340 [ 234.476879][ T31] ? __kasan_check_read+0x11/0x20 [ 234.481690][ T31] ? queue_io+0x288/0x430 [ 234.485889][ T31] ? __kasan_check_read+0x11/0x20 [ 234.490715][ T31] wb_writeback+0x3a8/0x850 [ 234.495080][ T31] ? blk_mq_complete_request_remote+0x273/0x480 [ 234.501140][ T31] ? inode_cgwb_move_to_attached+0x380/0x380 [ 234.507055][ T31] ? __kasan_check_write+0x14/0x20 [ 234.511975][ T31] ? string+0x25c/0x270 [ 234.515997][ T31] wb_do_writeback+0x211/0xa70 [ 234.520566][ T31] ? wb_workfn+0x310/0x310 [ 234.524851][ T31] ? set_worker_desc+0x11c/0x180 [ 234.529624][ T31] ? work_busy+0x1f0/0x1f0 [ 234.533868][ T31] ? __schedule+0xb08/0x1040 [ 234.538270][ T31] ? __kasan_check_write+0x14/0x20 [ 234.543327][ T31] wb_workfn+0xe4/0x310 [ 234.547308][ T31] process_one_work+0x6bc/0xb40 [ 234.551984][ T31] worker_thread+0x90b/0xfe0 [ 234.556564][ T31] kthread+0x39c/0x480 [ 234.560407][ T31] ? worker_clr_flags+0x120/0x120 [ 234.565387][ T31] ? kthread_blkcg+0xa0/0xa0 [ 234.569779][ T31] ret_from_fork+0x1f/0x30 [ 234.574055][ T31] [ 234.576929][ T31] INFO: task syz-executor.0:383 blocked for more than 186 seconds. [ 234.584862][ T31] Not tainted 5.15.80-syzkaller #0 [ 234.590346][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.599246][ T31] task:syz-executor.0 state:D stack:21856 pid: 383 ppid: 1 flags:0x00004004 [ 234.608335][ T31] Call Trace: [ 234.611436][ T31] [ 234.614252][ T31] __schedule+0xb00/0x1040 [ 234.618469][ T31] ? __kasan_check_write+0x14/0x20 [ 234.623451][ T31] ? __sched_text_start+0x8/0x8 [ 234.628280][ T31] ? _raw_spin_unlock_irq+0x4e/0x70 [ 234.633337][ T31] ? wb_queue_work+0x274/0x350 [ 234.637911][ T31] ? _raw_spin_unlock_irqrestore+0x5c/0x80 [ 234.643673][ T31] ? prepare_to_wait_event+0x464/0x560 [ 234.648951][ T31] schedule+0x12b/0x1f0 [ 234.652952][ T31] wb_wait_for_completion+0x163/0x220 [ 234.658130][ T31] ? sync_inodes_sb+0x810/0x810 [ 234.662845][ T31] ? __bpf_trace_writeback_inode_template+0x10/0x10 [ 234.669240][ T31] ? io_schedule+0x120/0x120 [ 234.673723][ T31] ? _raw_spin_lock+0xa3/0x1b0 [ 234.678306][ T31] __writeback_inodes_sb_nr+0x2b8/0x380 [ 234.683693][ T31] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 234.688948][ T31] ? writeback_inodes_sb_nr+0x10/0x10 [ 234.694323][ T31] ? dentry_free+0x8b/0xf0 [ 234.698665][ T31] ? get_nr_dirty_inodes+0x1d0/0x290 [ 234.703795][ T31] writeback_inodes_sb+0x6f/0x80 [ 234.708527][ T31] sync_filesystem+0x7f/0x1b0 [ 234.713088][ T31] generic_shutdown_super+0x6b/0x270 [ 234.718263][ T31] kill_block_super+0x78/0xc0 [ 234.722797][ T31] kill_f2fs_super+0x24d/0x310 [ 234.727370][ T31] ? f2fs_mount+0x20/0x20 [ 234.731798][ T31] ? unregister_shrinker+0x1ed/0x280 [ 234.736945][ T31] deactivate_locked_super+0x8b/0xe0 [ 234.742041][ T31] deactivate_super+0x5c/0x80 [ 234.746575][ T31] cleanup_mnt+0x3bd/0x460 [ 234.750913][ T31] __cleanup_mnt+0xd/0x10 [ 234.755102][ T31] task_work_run+0xd6/0x150 [ 234.759408][ T31] exit_to_user_mode_loop+0xfd/0x110 [ 234.764540][ T31] syscall_exit_to_user_mode+0x79/0xc0 [ 234.769820][ T31] do_syscall_64+0x50/0xd0 [ 234.774099][ T31] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 234.779800][ T31] RIP: 0033:0x7f406ebcca17 [ 234.784063][ T31] RSP: 002b:00007fffd8a199f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 234.792293][ T31] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f406ebcca17 [ 234.800217][ T31] RDX: 00007fffd8a19ac9 RSI: 000000000000000a RDI: 00007fffd8a19ac0 [ 234.808013][ T31] RBP: 00007fffd8a19ac0 R08: 00000000ffffffff R09: 00007fffd8a19890 [ 234.816047][ T31] R10: 0000555556fcb793 R11: 0000000000000246 R12: 00007f406ec255f6 [ 234.823822][ T31] R13: 00007fffd8a1ab80 R14: 0000555556fcb6f0 R15: 00007fffd8a1abc0 [ 234.831621][ T31] [ 234.834517][ T31] NMI backtrace for cpu 0 [ 234.838663][ T31] CPU: 0 PID: 31 Comm: khungtaskd Not tainted 5.15.80-syzkaller #0 [ 234.846484][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 234.856466][ T31] Call Trace: [ 234.859591][ T31] [ 234.862367][ T31] dump_stack_lvl+0x105/0x148 [ 234.866982][ T31] ? bfq_pos_tree_add_move+0x387/0x387 [ 234.872434][ T31] dump_stack+0x10/0x12 [ 234.876432][ T31] nmi_cpu_backtrace+0x234/0x240 [ 234.881725][ T31] ? nmi_trigger_cpumask_backtrace+0x190/0x190 [ 234.887729][ T31] ? memcpy+0x56/0x70 [ 234.891549][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 234.897433][ T31] nmi_trigger_cpumask_backtrace+0xca/0x190 [ 234.903159][ T31] arch_trigger_cpumask_backtrace+0x10/0x20 [ 234.908909][ T31] check_hung_uninterruptible_tasks+0x62b/0x6b0 [ 234.914963][ T31] ? hung_task_panic+0x10/0x10 [ 234.919649][ T31] watchdog+0xe9/0x120 [ 234.923556][ T31] kthread+0x39c/0x480 [ 234.927467][ T31] ? hungtask_pm_notify+0x20/0x20 [ 234.932335][ T31] ? kthread_blkcg+0xa0/0xa0 [ 234.936752][ T31] ret_from_fork+0x1f/0x30 [ 234.941002][ T31] [ 234.944282][ T31] Sending NMI from CPU 0 to CPUs 1: [ 234.945072][ T30] audit: type=1400 audit(1674640962.349:147): avc: denied { remove_name } for pid=79 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 [ 234.949202][ C1] NMI backtrace for cpu 1 [ 234.949207][ C1] CPU: 1 PID: 30 Comm: kauditd Not tainted 5.15.80-syzkaller #0 [ 234.949214][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 234.949217][ C1] RIP: 0010:vsnprintf+0x462/0x19c0 [ 234.949229][ C1] Code: 48 c1 eb 08 48 81 c3 ff ff ff 00 89 d8 c1 e0 08 48 b9 ff 00 00 00 ff ff ff ff 49 21 c8 49 09 c0 48 8b 44 24 38 42 80 3c 28 00 <74> 13 48 8d bc 24 80 00 00 00 4d 89 c4 e8 0c 43 40 ff 4d 89 e0 4c [ 234.949234][ C1] RSP: 0018:ffffc900001ff500 EFLAGS: 00000246 [ 234.949242][ C1] RAX: 1ffff9200003feb0 RBX: 00ffff0a01fffffe RCX: ffffffff000000ff [ 234.949246][ C1] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: ffff0a00ffffff03 [ 234.949250][ C1] RBP: ffffc900001ff5f0 R08: ffff0a00fffffe03 R09: ffffc900001ff660 [ 234.949254][ C1] R10: fffff5200003fecf R11: 1ffff9200003fecc R12: ffffffff84ca4660 [ 234.949258][ C1] R13: dffffc0000000000 R14: ffffc900001ff740 R15: ffffffff84ca4662 [ 234.949262][ C1] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 234.949267][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 234.949271][ C1] CR2: 000000c000541c80 CR3: 000000010c31c000 CR4: 00000000003506a0 [ 234.949278][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 234.949282][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 234.949285][ C1] Call Trace: [ 234.949287][ C1] [ 234.949291][ C1] ? ptr_to_hashval+0x50/0x50 [ 234.949298][ C1] ? vsnprintf+0x1a3/0x19c0 [ 234.949305][ C1] snprintf+0xcc/0x110 [ 234.949311][ C1] ? vscnprintf+0x30/0x30 [ 234.949319][ C1] print_caller+0xf4/0x250 [ 234.949327][ C1] ? trace_raw_output_console+0xb0/0xb0 [ 234.949333][ C1] ? vsnprintf+0x1a3/0x19c0 [ 234.949339][ C1] record_print_text+0x240/0x550 [ 234.949346][ C1] ? msg_print_ext_body+0xa70/0xa70 [ 234.949352][ C1] ? prb_final_commit+0x2b0/0x2b0 [ 234.949357][ C1] ? kvm_sched_clock_read+0x18/0x40 [ 234.949364][ C1] ? sched_clock+0x9/0x10 [ 234.949371][ C1] ? vprintk_store+0xa7a/0x12c0 [ 234.949377][ C1] console_unlock+0x48d/0x9c0 [ 234.949384][ C1] ? vprintk_emit+0x260/0x260 [ 234.949390][ C1] ? newidle_balance+0x780/0x1070 [ 234.949397][ C1] ? __kasan_check_write+0x14/0x20 [ 234.949403][ C1] ? _raw_spin_lock+0xa3/0x1b0 [ 234.949409][ C1] ? __switch_to+0x617/0x1170 [ 234.949416][ C1] ? __kasan_check_read+0x11/0x20 [ 234.949422][ C1] vprintk_emit+0xd1/0x260 [ 234.949428][ C1] ? vprintk_store+0x12c0/0x12c0 [ 234.949433][ C1] ? __kasan_check_write+0x14/0x20 [ 234.949438][ C1] ? _raw_spin_trylock+0xe2/0x1e0 [ 234.949444][ C1] ? __cpuidle_text_end+0x6/0x6 [ 234.949450][ C1] vprintk_default+0x18/0x20 [ 234.949455][ C1] vprintk+0x49/0x50 [ 234.949461][ C1] _printk+0xca/0x10a [ 234.949467][ C1] ? panic+0x4e9/0x4e9 [ 234.949472][ C1] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 234.949477][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 234.949484][ C1] kauditd_hold_skb+0x103/0x150 [ 234.949491][ C1] ? kauditd_send_queue+0x1f0/0x1f0 [ 234.949496][ C1] kauditd_send_queue+0x1c5/0x1f0 [ 234.949502][ C1] ? kauditd_send_queue+0x1f0/0x1f0 [ 234.949507][ C1] ? auditd_conn_free+0xb0/0xb0 [ 234.949513][ C1] kauditd_thread+0x492/0x6d0 [ 234.949518][ C1] ? __kasan_check_write+0x14/0x20 [ 234.949524][ C1] ? _raw_spin_lock_irqsave+0xf8/0x210 [ 234.949529][ C1] ? __sched_text_start+0x8/0x8 [ 234.949535][ C1] ? audit_log+0x130/0x130 [ 234.949540][ C1] ? io_schedule+0x120/0x120 [ 234.949545][ C1] ? __kthread_parkme+0x76/0x1d0 [ 234.949550][ C1] ? schedule+0x142/0x1f0 [ 234.949555][ C1] kthread+0x39c/0x480 [ 234.949559][ C1] ? audit_log+0x130/0x130 [ 234.949564][ C1] ? kthread_blkcg+0xa0/0xa0 [ 234.949569][ C1] ret_from_fork+0x1f/0x30 [ 234.949576][ C1] [ 235.331496][ T30] audit: type=1400 audit(1674640962.349:148): avc: denied { rename } for pid=79 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 [ 255.332750][ T31] INFO: task kworker/u4:1:10 blocked for more than 207 seconds. [ 255.340194][ T31] Not tainted 5.15.80-syzkaller #0 [ 255.345775][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 255.355076][ T31] task:kworker/u4:1 state:D stack:21536 pid: 10 ppid: 2 flags:0x00004000 [ 255.364398][ T31] Workqueue: writeback wb_workfn (flush-7:0) [ 255.370270][ T31] Call Trace: [ 255.373434][ T31] [ 255.376170][ T31] __schedule+0xb00/0x1040 [ 255.380426][ T31] ? __sched_text_start+0x8/0x8 [ 255.385172][ T31] ? stack_trace_save+0x1f0/0x1f0 [ 255.389974][ T31] ? arch_stack_walk+0x112/0x140 [ 255.394910][ T31] ? blk_check_plugged+0x210/0x210 [ 255.399804][ T31] schedule+0x12b/0x1f0 [ 255.403840][ T31] io_schedule+0x8e/0x120 [ 255.408108][ T31] wait_on_page_bit_common+0x6dd/0x990 [ 255.413655][ T31] ? wait_on_page_bit+0x40/0x40 [ 255.418445][ T31] ? radix_tree_insert+0x1d0/0x580 [ 255.423689][ T31] ? page_mapcount+0xb0/0xb0 [ 255.428079][ T31] ? xas_load+0x23/0x2c0 [ 255.432171][ T31] pagecache_get_page+0x520/0xa70 [ 255.437153][ T31] ? page_cache_prev_miss+0x390/0x390 [ 255.442420][ T31] __get_node_page+0x192/0xd00 [ 255.447175][ T31] ? read_node_page+0x570/0x570 [ 255.451902][ T31] ? __kasan_check_write+0x14/0x20 [ 255.456874][ T31] ? down_read+0xf9/0x230 [ 255.461013][ T31] ? __down_common+0x4f0/0x4f0 [ 255.465675][ T31] ? __kasan_check_write+0x14/0x20 [ 255.470557][ T31] f2fs_get_node_page+0xd/0x10 [ 255.475282][ T31] do_garbage_collect+0x17a2/0x5940 [ 255.480285][ T31] ? __stack_depot_save+0x34/0x4b0 [ 255.485317][ T31] ? has_not_enough_free_secs+0x910/0x910 [ 255.490981][ T31] ? xas_create_range+0x187/0x680 [ 255.495847][ T31] ? f2fs_inode_chksum_verify+0xb4/0xcd0 [ 255.501287][ T31] ? memset+0x35/0x40 [ 255.505156][ T31] ? set_page_private_gcing+0xf0/0xf0 [ 255.510309][ T31] ? __down_write+0x153/0x3a0 [ 255.514851][ T31] ? __up_write+0x87/0x160 [ 255.519076][ T31] f2fs_gc+0x818/0x1510 [ 255.523140][ T31] ? f2fs_start_bidx_of_node+0x2e0/0x2e0 [ 255.528535][ T31] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 255.533796][ T31] ? __kasan_check_read+0x11/0x20 [ 255.538603][ T31] ? has_not_enough_free_secs+0x16d/0x910 [ 255.544439][ T31] f2fs_balance_fs+0x2c6/0x370 [ 255.548935][ T31] ? f2fs_commit_inmem_pages+0x100/0x100 [ 255.554450][ T31] ? __kasan_check_write+0x14/0x20 [ 255.559691][ T31] ? f2fs_put_page+0xa4/0xf0 [ 255.564182][ T31] ? f2fs_update_inode_page+0x9f/0x110 [ 255.569531][ T31] f2fs_write_inode+0x3a6/0x410 [ 255.574266][ T31] write_inode+0xeb/0x220 [ 255.578425][ T31] __writeback_single_inode+0x278/0x4f0 [ 255.583843][ T31] writeback_sb_inodes+0x91d/0x16c0 [ 255.588800][ T31] ? queue_io+0x430/0x430 [ 255.592995][ T31] ? __writeback_inodes_wb+0x340/0x340 [ 255.598287][ T31] ? __kasan_check_read+0x11/0x20 [ 255.603347][ T31] ? queue_io+0x288/0x430 [ 255.607456][ T31] ? __kasan_check_read+0x11/0x20 [ 255.612322][ T31] wb_writeback+0x3a8/0x850 [ 255.616689][ T31] ? blk_mq_complete_request_remote+0x273/0x480 [ 255.622873][ T31] ? inode_cgwb_move_to_attached+0x380/0x380 [ 255.628897][ T31] ? __kasan_check_write+0x14/0x20 [ 255.633887][ T31] ? string+0x25c/0x270 [ 255.637836][ T31] wb_do_writeback+0x211/0xa70 [ 255.642432][ T31] ? wb_workfn+0x310/0x310 [ 255.646768][ T31] ? set_worker_desc+0x11c/0x180 [ 255.651463][ T31] ? work_busy+0x1f0/0x1f0 [ 255.655745][ T31] ? __schedule+0xb08/0x1040 [ 255.660138][ T31] ? __kasan_check_write+0x14/0x20 [ 255.665142][ T31] wb_workfn+0xe4/0x310 [ 255.669098][ T31] process_one_work+0x6bc/0xb40 [ 255.673809][ T31] worker_thread+0x90b/0xfe0 [ 255.678208][ T31] kthread+0x39c/0x480 [ 255.682097][ T31] ? worker_clr_flags+0x120/0x120 [ 255.687034][ T31] ? kthread_blkcg+0xa0/0xa0 [ 255.691385][ T31] ret_from_fork+0x1f/0x30 [ 255.695669][ T31] [ 255.698572][ T31] INFO: task syz-executor.0:383 blocked for more than 207 seconds. [ 255.706257][ T31] Not tainted 5.15.80-syzkaller #0 [ 255.711695][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 255.720253][ T31] task:syz-executor.0 state:D stack:21856 pid: 383 ppid: 1 flags:0x00004004 [ 255.729244][ T31] Call Trace: [ 255.732348][ T31] [ 255.735178][ T31] __schedule+0xb00/0x1040 [ 255.739381][ T31] ? __kasan_check_write+0x14/0x20 [ 255.744358][ T31] ? __sched_text_start+0x8/0x8 [ 255.749013][ T31] ? _raw_spin_unlock_irq+0x4e/0x70 [ 255.754075][ T31] ? wb_queue_work+0x274/0x350 [ 255.758663][ T31] ? _raw_spin_unlock_irqrestore+0x5c/0x80 [ 255.764332][ T31] ? prepare_to_wait_event+0x464/0x560 [ 255.769589][ T31] schedule+0x12b/0x1f0 [ 255.773736][ T31] wb_wait_for_completion+0x163/0x220 [ 255.778870][ T31] ? sync_inodes_sb+0x810/0x810 [ 255.783608][ T31] ? __bpf_trace_writeback_inode_template+0x10/0x10 [ 255.789987][ T31] ? io_schedule+0x120/0x120 [ 255.794508][ T31] ? _raw_spin_lock+0xa3/0x1b0 [ 255.799006][ T31] __writeback_inodes_sb_nr+0x2b8/0x380 [ 255.804417][ T31] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 255.809593][ T31] ? writeback_inodes_sb_nr+0x10/0x10 [ 255.814847][ T31] ? dentry_free+0x8b/0xf0 [ 255.819053][ T31] ? get_nr_dirty_inodes+0x1d0/0x290 [ 255.824216][ T31] writeback_inodes_sb+0x6f/0x80 [ 255.829035][ T31] sync_filesystem+0x7f/0x1b0 [ 255.833604][ T31] generic_shutdown_super+0x6b/0x270 [ 255.838669][ T31] kill_block_super+0x78/0xc0 [ 255.843212][ T31] kill_f2fs_super+0x24d/0x310 [ 255.847779][ T31] ? f2fs_mount+0x20/0x20 [ 255.851955][ T31] ? unregister_shrinker+0x1ed/0x280 [ 255.857127][ T31] deactivate_locked_super+0x8b/0xe0 [ 255.862294][ T31] deactivate_super+0x5c/0x80 [ 255.866827][ T31] cleanup_mnt+0x3bd/0x460 [ 255.871054][ T31] __cleanup_mnt+0xd/0x10 [ 255.875299][ T31] task_work_run+0xd6/0x150 [ 255.879777][ T31] exit_to_user_mode_loop+0xfd/0x110 [ 255.884814][ T31] syscall_exit_to_user_mode+0x79/0xc0 [ 255.890064][ T31] do_syscall_64+0x50/0xd0 [ 255.894395][ T31] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 255.900080][ T31] RIP: 0033:0x7f406ebcca17 [ 255.904371][ T31] RSP: 002b:00007fffd8a199f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 255.912544][ T31] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f406ebcca17 [ 255.920442][ T31] RDX: 00007fffd8a19ac9 RSI: 000000000000000a RDI: 00007fffd8a19ac0 [ 255.928198][ T31] RBP: 00007fffd8a19ac0 R08: 00000000ffffffff R09: 00007fffd8a19890 [ 255.936048][ T31] R10: 0000555556fcb793 R11: 0000000000000246 R12: 00007f406ec255f6 [ 255.943834][ T31] R13: 00007fffd8a1ab80 R14: 0000555556fcb6f0 R15: 00007fffd8a1abc0 [ 255.951598][ T31] [ 255.954531][ T31] NMI backtrace for cpu 1 [ 255.958627][ T31] CPU: 1 PID: 31 Comm: khungtaskd Not tainted 5.15.80-syzkaller #0 [ 255.966350][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 255.976368][ T31] Call Trace: [ 255.979492][ T31] [ 255.982270][ T31] dump_stack_lvl+0x105/0x148 [ 255.986777][ T31] ? bfq_pos_tree_add_move+0x387/0x387 [ 255.992070][ T31] dump_stack+0x10/0x12 [ 255.996095][ T31] nmi_cpu_backtrace+0x234/0x240 [ 256.000978][ T31] ? nmi_trigger_cpumask_backtrace+0x190/0x190 [ 256.007039][ T31] ? memcpy+0x56/0x70 [ 256.010858][ T31] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 256.016760][ T31] nmi_trigger_cpumask_backtrace+0xca/0x190 [ 256.022484][ T31] arch_trigger_cpumask_backtrace+0x10/0x20 [ 256.028226][ T31] check_hung_uninterruptible_tasks+0x62b/0x6b0 [ 256.034291][ T31] ? hung_task_panic+0x10/0x10 [ 256.038889][ T31] watchdog+0xe9/0x120 [ 256.042794][ T31] kthread+0x39c/0x480 [ 256.046792][ T31] ? hungtask_pm_notify+0x20/0x20 [ 256.051645][ T31] ? kthread_blkcg+0xa0/0xa0 [ 256.056100][ T31] ret_from_fork+0x1f/0x30 [ 256.060328][ T31] [ 256.063261][ T31] Sending NMI from CPU 1 to CPUs 0: [ 256.068259][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x2b8/0x5f0