INFO: task syz-executor:6523 blocked for more than 143 seconds. Not tainted 6.16.0-rc1-syzkaller-g39dfc971e42d #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:6523 tgid:6523 ppid:6510 task_flags:0x400140 flags:0x00000010 Call trace: __switch_to+0x414/0x834 arch/arm64/kernel/process.c:737 (T) context_switch kernel/sched/core.c:5396 [inline] __schedule+0x1414/0x2a28 kernel/sched/core.c:6785 __schedule_loop kernel/sched/core.c:6863 [inline] schedule+0xb4/0x230 kernel/sched/core.c:6878 xlog_wait+0x114/0x1a4 fs/xfs/xfs_log_priv.h:588 xlog_wait_on_iclog+0x2f8/0x56c fs/xfs/xfs_log.c:841 xlog_force_lsn+0x470/0x720 fs/xfs/xfs_log.c:3045 xfs_log_force_seq+0x1ec/0x4ac fs/xfs/xfs_log.c:3082 __xfs_trans_commit+0x73c/0xc2c fs/xfs/xfs_trans.c:905 xfs_trans_commit+0x13c/0x1c4 fs/xfs/xfs_trans.c:954 xfs_sync_sb+0xf4/0x15c fs/xfs/libxfs/xfs_sb.c:1375 xfs_log_cover fs/xfs/xfs_log.c:1215 [inline] xfs_log_quiesce+0x268/0x4e0 fs/xfs/xfs_log.c:1024 xfs_log_clean+0xa0/0x79c fs/xfs/xfs_log.c:1031 xfs_log_unmount+0x34/0x194 fs/xfs/xfs_log.c:1046 xfs_unmountfs+0x22c/0x310 fs/xfs/xfs_mount.c:1369 xfs_fs_put_super+0x6c/0x144 fs/xfs/xfs_super.c:1247 generic_shutdown_super+0x12c/0x2b8 fs/super.c:643 kill_block_super+0x44/0x90 fs/super.c:1753 xfs_kill_sb+0x20/0x58 fs/xfs/xfs_super.c:2318 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1417 __cleanup_mnt+0x20/0x30 fs/namespace.c:1424 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x16c/0x1ec arch/arm64/kernel/entry-common.c:151 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xb4/0x17c arch/arm64/kernel/entry-common.c:768 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Showing all locks held in the system: 1 lock held by kthreadd/2: 3 locks held by kworker/0:0/9: #0: ffff0000c0028d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212 #1: ffff800097a17bc0 ((work_completion)(&sbi->s_error_work)){+.+.}-{0:0}, at: process_one_work+0x6d4/0x155c kernel/workqueue.c:3212 #2: ffff0000dbfa0088 (&sbi->sb_lock){++++}-{4:4}, at: f2fs_down_write fs/f2fs/f2fs.h:2229 [inline] #2: ffff0000dbfa0088 (&sbi->sb_lock){++++}-{4:4}, at: f2fs_record_stop_reason fs/f2fs/super.c:4173 [inline] #2: ffff0000dbfa0088 (&sbi->sb_lock){++++}-{4:4}, at: f2fs_record_error_work+0x5c/0x178 fs/f2fs/super.c:4325 2 locks held by kworker/0:1/11: 3 locks held by kworker/u8:0/12: 3 locks held by kworker/u8:1/13: 1 lock held by khungtaskd/32: #0: ffff80008f819e40 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330 2 locks held by kworker/R-write/34: 3 locks held by kworker/u8:2/41: 3 locks held by kworker/u8:3/42: 2 locks held by kworker/1:1H/56: #0: ffff00019bf21118 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:606 [inline] #0: ffff00019bf21118 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1532 [inline] #0: ffff00019bf21118 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1856 [inline] #0: ffff00019bf21118 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x340/0x2a28 kernel/sched/core.c:6709 #1: ffff00019bf0a388 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x380/0x608 kernel/sched/psi.c:987 3 locks held by kworker/u8:4/294: 3 locks held by kworker/u8:5/314: 3 locks held by kworker/u8:6/326: 3 locks held by kworker/u8:7/339: 2 locks held by kworker/0:2/2314: 3 locks held by kworker/R-ipv6_/4161: #0: ffff0000d24b1148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212 #1: ffff80009f497ba0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6d4/0x155c kernel/workqueue.c:3212 #2: ffff800092872028 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80 5 locks held by kworker/R-bat_e/4242: 3 locks held by kworker/u8:8/5727: 1 lock held by klogd/6119: 2 locks held by udevd/6130: 2 locks held by dhcpcd/6184: 1 lock held by dhcpcd/6185: 2 locks held by getty/6281: #0: ffff0000d1feb0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80009b9be2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa4 drivers/tty/n_tty.c:2222 2 locks held by udevd/6505: 3 locks held by syz-executor/6514: 1 lock held by syz-executor/6521: #0: ffff0000cc3de0e0 (&type->s_umount_key#56){++++}-{4:4}, at: __super_lock fs/super.c:57 [inline] #0: ffff0000cc3de0e0 (&type->s_umount_key#56){++++}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline] #0: ffff0000cc3de0e0 (&type->s_umount_key#56){++++}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:506 2 locks held by syz-executor/6522: #0: ffff0000ca9420e0 (&type->s_umount_key#73){+.+.}-{4:4}, at: __super_lock fs/super.c:57 [inline] #0: ffff0000ca9420e0 (&type->s_umount_key#73){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline] #0: ffff0000ca9420e0 (&type->s_umount_key#73){+.+.}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:506