INFO: task kworker/1:2:1516 blocked for more than 143 seconds. Not tainted 6.1.129-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:2 state:D stack:0 pid:1516 ppid:2 flags:0x00000008 Workqueue: gfs_recovery gfs2_recover_func Call trace: __switch_to+0x308/0x598 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5243 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6560 schedule+0xc4/0x170 kernel/sched/core.c:6636 io_schedule+0x8c/0x188 kernel/sched/core.c:8788 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1324 folio_wait_bit+0x30/0x40 mm/filemap.c:1468 folio_wait_locked include/linux/pagemap.h:1057 [inline] gfs2_jhead_process_page+0x150/0x5c0 fs/gfs2/lops.c:476 gfs2_find_jhead+0xa58/0xbe0 fs/gfs2/lops.c:594 gfs2_recover_func+0x51c/0x18b0 fs/gfs2/recovery.c:460 process_one_work+0x804/0x1484 kernel/workqueue.c:2292 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 INFO: task syz.4.13:4438 blocked for more than 143 seconds. Not tainted 6.1.129-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.13 state:D stack:0 pid:4438 ppid:4298 flags:0x00000009 Call trace: __switch_to+0x308/0x598 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5243 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6560 schedule+0xc4/0x170 kernel/sched/core.c:6636 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+0x14ac/0x2054 fs/gfs2/ops_fstype.c:835 init_inodes+0xe0/0x2d8 fs/gfs2/ops_fstype.c:889 gfs2_fill_super+0x1794/0x1fdc fs/gfs2/ops_fstype.c:1246 get_tree_bdev+0x360/0x54c fs/super.c:1366 gfs2_get_tree+0x54/0x1b4 fs/gfs2/ops_fstype.c:1327 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x278/0x8fc fs/namespace.c:3056 path_mount+0x590/0xe5c fs/namespace.c:3386 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount fs/namespace.c:3584 [inline] __arm64_sys_mount+0x498/0x588 fs/namespace.c:3584 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffff800015cc79b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffff800015cc81b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:517 1 lock held by khungtaskd/28: #0: ffff800015cc77e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 2 locks held by kworker/1:2/1516: #0: ffff0000c78cb938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265 #1: ffff800025377c20 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267 1 lock held by dhcpcd/3965: #0: ffff800018179188 (rtnl_mutex){+.+.}-{3:3}, at: __netlink_dump_start+0x10c/0x688 net/netlink/af_netlink.c:2287 2 locks held by getty/4054: #0: ffff0000d63de098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001d9002f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2198 1 lock held by syz.4.13/4438: #0: ffff0000dc7a80e0 (&type->s_umount_key#56/1){+.+.}-{3:3}, at: alloc_super+0x1b4/0x824 fs/super.c:228 3 locks held by kworker/0:9/4516: #0: ffff0000d6069d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265 #1: ffff800021dc7c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267 #2: ffff800018179188 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 3 locks held by kworker/1:7/4584: #0: ffff0000d6069d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265 #1: ffff800021567c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267 #2: ffff800018179188 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 2 locks held by kworker/1:11/4712: #0: ffff0000c0021938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265 #1: ffff800021f17c20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267 1 lock held by syz.6.105/5200: #0: ffff0000dc7a80e0 (&type->s_umount_key#87){++++}-{3:3}, at: iterate_supers+0xb0/0x1dc fs/super.c:755 1 lock held by syz.6.105/5201: #0: ffff0000dc7a80e0 (&type->s_umount_key#87){++++}-{3:3}, at: iterate_supers+0xb0/0x1dc fs/super.c:755 3 locks held by kworker/1:17/5831: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265 #1: ffff800021c07c20 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267 #2: ffff800018179188 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 5 locks held by kworker/u4:14/6260: #0: ffff0000c0845138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265 #1: ffff800021267c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267 #2: ffff80001816cbd0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x13c/0xaec net/core/net_namespace.c:594 #3: ffff800018179188 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 #4: ffff800015cccdf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline] #4: ffff800015cccdf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3e0/0x77c kernel/rcu/tree_exp.h:962 3 locks held by kworker/u4:18/6264: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1484 kernel/workqueue.c:2265 #1: ffff8000228d7c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6fc/0x1484 kernel/workqueue.c:2267 #2: ffff800018179188 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 1 lock held by syz.4.341/7054: #0: ffff0000dc7a80e0 (&type->s_umount_key#87){++++}-{3:3}, at: user_get_super+0x11c/0x240 fs/super.c:889 1 lock held by syz-executor/7319: #0: ffff800018179188 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800018179188 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6f0/0xd9c net/core/rtnetlink.c:6147 1 lock held by syz-executor/7416: #0: ffff800018179188 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800018179188 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6f0/0xd9c net/core/rtnetlink.c:6147 1 lock held by syz.6.370/7476: #0: ffff0000dc7a80e0 (&type->s_umount_key#87){++++}-{3:3}, at: iterate_supers+0xb0/0x1dc fs/super.c:755 1 lock held by syz-executor/7493: #0: ffff800018179188 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline] #0: ffff800018179188 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6f0/0xd9c net/core/rtnetlink.c:6147 7 locks held by syz-executor/7707: #0: ffff0000d8182460 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x244/0x91c fs/read_write.c:580 #1: ffff000101ab4c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1c8/0x48c fs/kernfs/file.c:325 #2: ffff0000cc302490 (kn->active#45){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1e4/0x48c fs/kernfs/file.c:326 #3: ffff80001751d4c8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xec/0x39c drivers/net/netdevsim/bus.c:209 #4: ffff0000daafb0e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline] #4: ffff0000daafb0e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1080 [inline] #4: ffff0000daafb0e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xbc/0x724 drivers/base/dd.c:1283 #5: ffff0000daafa2f8 (&devlink->lock_key#12){+.+.}-{3:3}, at: devl_lock+0x24/0x34 net/devlink/leftover.c:275 #6: ffff800018179188 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74 =============================================