INFO: task kworker/1:6:4099 blocked for more than 144 seconds. Not tainted 5.15.188-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:6 state:D stack: 0 pid: 4099 ppid: 2 flags:0x00000008 Workqueue: gfs_recovery gfs2_recover_func Call trace: __switch_to+0x2f4/0x558 arch/arm64/kernel/process.c:521 context_switch kernel/sched/core.c:5030 [inline] __schedule+0xe00/0x1c0c kernel/sched/core.c:6376 schedule+0x11c/0x1c8 kernel/sched/core.c:6459 io_schedule+0x84/0x160 kernel/sched/core.c:8484 wait_on_page_bit_common+0x61c/0xa74 mm/filemap.c:1356 wait_on_page_bit+0x58/0x68 mm/filemap.c:1417 wait_on_page_locked include/linux/pagemap.h:688 [inline] gfs2_jhead_process_page+0x1e0/0x698 fs/gfs2/lops.c:476 gfs2_find_jhead+0xb6c/0xca8 fs/gfs2/lops.c:597 gfs2_recover_func+0x500/0x157c fs/gfs2/recovery.c:462 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310 worker_thread+0x8f4/0x101c kernel/workqueue.c:2457 kthread+0x374/0x454 kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:855 INFO: task syz.0.82:4481 blocked for more than 144 seconds. Not tainted 5.15.188-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.82 state:D stack: 0 pid: 4481 ppid: 4035 flags:0x00000009 Call trace: __switch_to+0x2f4/0x558 arch/arm64/kernel/process.c:521 context_switch kernel/sched/core.c:5030 [inline] __schedule+0xe00/0x1c0c kernel/sched/core.c:6376 schedule+0x11c/0x1c8 kernel/sched/core.c:6459 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+0x15c/0x200 kernel/sched/wait_bit.c:64 wait_on_bit include/linux/wait_bit.h:76 [inline] gfs2_recover_journal+0xf0/0x16c fs/gfs2/recovery.c:579 init_journal+0x133c/0x1d7c fs/gfs2/ops_fstype.c:837 init_inodes+0xe0/0x2d4 fs/gfs2/ops_fstype.c:891 gfs2_fill_super+0x121c/0x19e0 fs/gfs2/ops_fstype.c:1249 get_tree_bdev+0x358/0x544 fs/super.c:1325 gfs2_get_tree+0x54/0x1b4 fs/gfs2/ops_fstype.c:1332 vfs_get_tree+0x90/0x274 fs/super.c:1530 do_new_mount+0x228/0x810 fs/namespace.c:3014 path_mount+0x5b4/0x1000 fs/namespace.c:3344 do_mount fs/namespace.c:3357 [inline] __do_sys_mount fs/namespace.c:3565 [inline] __se_sys_mount fs/namespace.c:3542 [inline] __arm64_sys_mount+0x514/0x5e4 fs/namespace.c:3542 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffff800014351360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311 2 locks held by udevd/3654: 1 lock held by dhcpcd/3707: 2 locks held by getty/3820: #0: ffff0000d4d51098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff80001bdbb2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c drivers/tty/n_tty.c:2158 1 lock held by udevd/4027: #0: ffff0000cb8e6518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x120/0x874 block/bdev.c:820 2 locks held by kworker/1:6/4099: #0: ffff0000c6a7a138 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 kernel/workqueue.c:2283 #1: ffff80001fc27c00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 kernel/workqueue.c:2285 1 lock held by udevd/4199: 1 lock held by syz.0.82/4481: #0: ffff0000e6ffa0e0 (&type->s_umount_key#76/1){+.+.}-{3:3}, at: alloc_super+0x1a8/0x824 fs/super.c:229 1 lock held by syz-executor/4497: #0: ffff0000f1db60e0 (&type->s_umount_key#53){+.+.}-{3:3}, at: deactivate_super+0xf0/0x118 fs/super.c:365 3 locks held by kworker/u4:8/4963: #0: ffff0000c038c138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 kernel/workqueue.c:2283 #1: ffff80001fbe7c00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 kernel/workqueue.c:2285 #2: ffff8000162a1f10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x12c/0xa98 net/core/net_namespace.c:589 2 locks held by kworker/u4:9/5004: 3 locks held by kworker/1:7/5404: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 kernel/workqueue.c:2283 #1: ffff800020367c00 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 kernel/workqueue.c:2285 #2: ffff0000e8cfa400 (&nsim_dev->port_list_lock){+.+.}-{3:3}, at: nsim_dev_trap_report_work+0x5c/0x938 drivers/net/netdevsim/dev.c:757 3 locks held by kworker/0:12/5978: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x678/0x1140 kernel/workqueue.c:2283 #1: ffff800020197c00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1140 kernel/workqueue.c:2285 #2: ffff0000d585f240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x1c8/0x2704 drivers/net/netdevsim/fib.c:1480 7 locks held by syz-executor/7836: #0: ffff0000d541c460 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x228/0xa2c fs/read_write.c:590 #1: ffff0000e85cbc88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1c0/0x478 fs/kernfs/file.c:287 #2: ffff0000cd2c6bd0 (kn->active#235){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1dc/0x478 fs/kernfs/file.c:288 #3: ffff80001587db08 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xd4/0x33c drivers/net/netdevsim/bus.c:344 #4: ffff0000e8cf9178 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #4: ffff0000e8cf9178 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1044 [inline] #4: ffff0000e8cf9178 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x9c/0x63c drivers/base/dd.c:1259 #5: ffff0000e8cfa400 (&nsim_dev->port_list_lock){+.+.}-{3:3}, at: nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1359 [inline] #5: ffff0000e8cfa400 (&nsim_dev->port_list_lock){+.+.}-{3:3}, at: nsim_dev_reload_destroy+0xf4/0x204 drivers/net/netdevsim/dev.c:1561 #6: ffff800014355d30 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x54/0x49c kernel/rcu/tree.c:4043 1 lock held by syz.1.813/7969: 2 locks held by dhcpcd-run-hook/7974: =============================================