INFO: task kworker/0:0:8 blocked for more than 143 seconds. Not tainted 6.11.0-rc5-syzkaller-gdf54f4a16f82 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:0 state:D stack:0 pid:8 tgid:8 ppid:2 flags:0x00000008 Workqueue: gfs2_recovery gfs2_recover_func Call trace: __switch_to+0x418/0x658 arch/arm64/kernel/process.c:579 context_switch kernel/sched/core.c:5188 [inline] __schedule+0x13d4/0x2418 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6621 io_schedule+0x8c/0x124 kernel/sched/core.c:7401 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1307 folio_wait_bit+0x30/0x40 mm/filemap.c:1446 folio_wait_locked include/linux/pagemap.h:1125 [inline] gfs2_jhead_process_page+0x154/0x4f4 fs/gfs2/lops.c:470 gfs2_find_jhead+0xa90/0xc18 fs/gfs2/lops.c:587 gfs2_recover_func+0x51c/0x17a4 fs/gfs2/recovery.c:460 process_one_work+0x79c/0x15b8 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x978/0xec4 kernel/workqueue.c:3389 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 INFO: task syz.1.40:6642 blocked for more than 143 seconds. Not tainted 6.11.0-rc5-syzkaller-gdf54f4a16f82 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.40 state:D stack:0 pid:6642 tgid:6641 ppid:6401 flags:0x0000000d Call trace: __switch_to+0x418/0x658 arch/arm64/kernel/process.c:579 context_switch kernel/sched/core.c:5188 [inline] __schedule+0x13d4/0x2418 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6621 bit_wait+0x1c/0xac kernel/sched/wait_bit.c:199 __wait_on_bit kernel/sched/wait_bit.c:49 [inline] out_of_line_wait_on_bit+0x208/0x334 kernel/sched/wait_bit.c:64 wait_on_bit include/linux/wait_bit.h:76 [inline] gfs2_recover_journal+0xd8/0x150 fs/gfs2/recovery.c:577 init_journal+0x1494/0x1fb8 fs/gfs2/ops_fstype.c:811 init_inodes+0xe0/0x2d8 fs/gfs2/ops_fstype.c:864 gfs2_fill_super+0x1858/0x1f98 fs/gfs2/ops_fstype.c:1249 get_tree_bdev+0x320/0x470 fs/super.c:1635 gfs2_get_tree+0x54/0x1b4 fs/gfs2/ops_fstype.c:1329 vfs_get_tree+0x90/0x28c fs/super.c:1800 do_new_mount+0x278/0x900 fs/namespace.c:3472 path_mount+0x590/0xe04 fs/namespace.c:3799 do_mount fs/namespace.c:3812 [inline] __do_sys_mount fs/namespace.c:4020 [inline] __se_sys_mount fs/namespace.c:3997 [inline] __arm64_sys_mount+0x45c/0x5a8 fs/namespace.c:3997 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Showing all locks held in the system: 2 locks held by kworker/0:0/8: #0: ffff0000c48ac148 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3205 #1: ffff8000943e7c20 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3205 2 locks held by kworker/u8:1/12: 1 lock held by khungtaskd/31: #0: ffff80008f6edba0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:325 5 locks held by kworker/u8:4/203: #0: ffff0000c1869948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3205 #1: ffff8000986f7c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3205 #2: ffff8000923aa750 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x13c/0x9b4 net/core/net_namespace.c:594 #3: ffff0000d3e61428 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_destruct+0x11c/0x2c0 drivers/net/wireguard/device.c:249 #4: ffff80008f6f2ef8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:328 [inline] #4: ffff80008f6f2ef8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x324/0x674 kernel/rcu/tree_exp.h:958 2 locks held by dhcpcd/6066: #0: ffff0000ccdea678 (nlk_cb_mutex-ROUTE){+.+.}-{3:3}, at: netlink_dump+0xc0/0xafc net/netlink/af_netlink.c:2271 #1: ffff8000923b6ce8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #1: ffff8000923b6ce8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_dumpit+0x8c/0x1d0 net/core/rtnetlink.c:6506 2 locks held by getty/6149: #0: ffff0000d2ccc0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff8000983ab2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211 1 lock held by syz.1.40/6642: #0: ffff0000c92ca0e0 (&type->s_umount_key#85/1){+.+.}-{3:3}, at: alloc_super+0x1b0/0x83c fs/super.c:344 8 locks held by syz-executor/8302: #0: ffff0000d81b0420 (sb_writers#7){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2881 [inline] #0: ffff0000d81b0420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x368/0xc80 fs/read_write.c:586 #1: ffff0000c2553c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1c8/0x48c fs/kernfs/file.c:325 #2: ffff0000cbee24b8 (kn->active#45){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1e4/0x48c fs/kernfs/file.c:326 #3: ffff800091524788 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xec/0x39c drivers/net/netdevsim/bus.c:216 #4: ffff0000d842c0e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline] #4: ffff0000d842c0e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1094 [inline] #4: ffff0000d842c0e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xbc/0x698 drivers/base/dd.c:1292 #5: ffff0000ec770250 (&devlink->lock_key#13){+.+.}-{3:3}, at: devl_lock+0x24/0x34 net/devlink/core.c:276 #6: ffff8000923b6ce8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79 #7: ffff80008f6f2ef8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:328 [inline] #7: ffff80008f6f2ef8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x324/0x674 kernel/rcu/tree_exp.h:958 1 lock held by syz-executor/8305: #0: ffff8000923b6ce8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff8000923b6ce8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x5e8/0xa9c net/core/rtnetlink.c:6644 1 lock held by syz-executor/8308: #0: ffff8000923b6ce8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff8000923b6ce8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x5e8/0xa9c net/core/rtnetlink.c:6644 1 lock held by syz-executor/8313: #0: ffff8000923b6ce8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffff8000923b6ce8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x5e8/0xa9c net/core/rtnetlink.c:6644 =============================================